diff options
141 files changed, 5784 insertions, 495 deletions
diff --git a/Documentation/boards/stm32mp.rst b/Documentation/boards/stm32mp.rst index 774ede6e56..f93ec04eb0 100644 --- a/Documentation/boards/stm32mp.rst +++ b/Documentation/boards/stm32mp.rst @@ -1,11 +1,6 @@ STMicroelectronics STM32MP ========================== -.. note:: - - Support for the STM32MP architecure in barebox is still in progress. - Bootstrapping an OS from mainline barebox is not yet supported. - The STM32MP is a line of 32-bit ARM SoCs. They reuse peripherals of the STM32 line of microcontrollers and can have a STM32 MCU embedded as co-processor as well. @@ -68,8 +63,21 @@ An appropriate image for the boot media can be generated with following Image can then be flashed on e.g. a SD-Card. -TODO ----- - -* Extend barebox MMCI support to support the SDMMC2 -* Extend barebox DesignWare MAC support to support the stmmac +Boot source selection +--------------------- + +The STM32MP BootROM samples three boot pins at reset. Usually BOOT1 is +pulled down and BOOT0 and BOOT2 are connected to a 2P DIP switch:: + + +-------+ + BOOT2 | O O-- | + BOOT0 | N O-- | <---- SDMMC + +-------+ + +-------+ + BOOT2 | O O-- | + BOOT0 | N --O | <---- QSPI-NOR Flash + +-------+ + +-------+ + BOOT2 | O --O | + BOOT0 | N --O | <---- DFU on UART and USB OTG + +-------+ @@ -1,5 +1,5 @@ VERSION = 2019 -PATCHLEVEL = 10 +PATCHLEVEL = 11 SUBLEVEL = 0 EXTRAVERSION = NAME = None diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 652ac24ce3..9589a6a511 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -199,6 +199,10 @@ config ARCH_STM32MP select HAS_DEBUG_LL select HAVE_CLK select GPIOLIB + select ARCH_HAS_RESET_CONTROLLER + select ARM_AMBA + select ARM_SMCCC + select ARM_USE_COMPRESSED_DTB config ARCH_VERSATILE bool "ARM Versatile boards (ARM926EJ-S)" @@ -425,10 +429,14 @@ config ARM_SEMIHOSTING config ARM_SMCCC bool + help + This option enables barebox to invoke ARM secure monitor calls. config ARM_SECURE_MONITOR select ARM_SMCCC bool + help + This option enables barebox to service ARM secure monitor calls. config ARM_PSCI_OF bool @@ -440,7 +448,16 @@ config ARM_PSCI select ARM_PSCI_OF help PSCI is used for controlling secondary CPU cores on some systems. Say - yes here if you have one of these. + yes here if you want barebox to service PSCI calls on such systems. + +config ARM_PSCI_CLIENT + bool "Enable barebox PSCI client support" + select ARM_SMCCC + select ARM_PSCI_OF + help + Say yes here if you want barebox to communicate with a secure monitor + for resetting/powering off the system over PSCI. barebox' PSCI version + information will also be shared with Linux via device tree fixups. config ARM_PSCI_DEBUG bool "Enable PSCI debugging" diff --git a/arch/arm/boards/stm32mp157c-dk2/board.c b/arch/arm/boards/stm32mp157c-dk2/board.c index 9cb861af85..f15ae0b4af 100644 --- a/arch/arm/boards/stm32mp157c-dk2/board.c +++ b/arch/arm/boards/stm32mp157c-dk2/board.c @@ -4,6 +4,7 @@ #include <init.h> #include <asm/memory.h> #include <mach/stm32.h> +#include <mach/bbu.h> static int dk2_mem_init(void) { @@ -15,3 +16,15 @@ static int dk2_mem_init(void) return 0; } mem_initcall(dk2_mem_init); + +static int dk2_postcore_init(void) +{ + if (!of_machine_is_compatible("st,stm32mp157c-dk2")) + return 0; + + stm32mp_bbu_mmc_register_handler("sd", "/dev/mmc0.ssbl", + BBU_HANDLER_FLAG_DEFAULT); + + return 0; +} +postcore_initcall(dk2_postcore_init); diff --git a/arch/arm/boards/zii-common/board.c b/arch/arm/boards/zii-common/board.c index 9a9564e6d1..eafb5a3aa8 100644 --- a/arch/arm/boards/zii-common/board.c +++ b/arch/arm/boards/zii-common/board.c @@ -80,7 +80,8 @@ static int rdu_networkconfig(void) static char *rdu_netconfig; struct device_d *sp_dev; - if (!of_machine_is_compatible("zii,imx6q-zii-rdu2") && + if (!of_machine_is_compatible("zii,imx8mq-ultra") && + !of_machine_is_compatible("zii,imx6q-zii-rdu2") && !of_machine_is_compatible("zii,imx6qp-zii-rdu2") && !of_machine_is_compatible("zii,imx51-rdu1")) return 0; diff --git a/arch/arm/boards/zii-common/switch-cmd.c b/arch/arm/boards/zii-common/switch-cmd.c index 30438053a1..2b9c34bfac 100644 --- a/arch/arm/boards/zii-common/switch-cmd.c +++ b/arch/arm/boards/zii-common/switch-cmd.c @@ -42,7 +42,7 @@ static int do_rdu2_switch_reset(void) static int do_rdu1_switch_reset(void) { struct device_d *sp_dev = get_device_by_name("sp"); - struct rave_sp *sp = sp_dev->priv; + struct rave_sp *sp = sp_dev->parent->priv; u8 cmd[] = { [0] = RAVE_SP_CMD_RESET_ETH_SWITCH, [1] = 0 diff --git a/arch/arm/configs/socfpga-arria10_defconfig b/arch/arm/configs/socfpga-arria10_defconfig index ae420c1dd2..e47a0ab183 100644 --- a/arch/arm/configs/socfpga-arria10_defconfig +++ b/arch/arm/configs/socfpga-arria10_defconfig @@ -74,6 +74,7 @@ CONFIG_MCI=y CONFIG_MCI_STARTUP=y CONFIG_MCI_MMC_BOOT_PARTITIONS=y CONFIG_MCI_DW=y +CONFIG_STATE_DRV=y # CONFIG_PINCTRL is not set CONFIG_FS_TFTP=y CONFIG_FS_NFS=y diff --git a/arch/arm/configs/stm32mp_defconfig b/arch/arm/configs/stm32mp_defconfig index 9f30bb1caa..f69f9f966a 100644 --- a/arch/arm/configs/stm32mp_defconfig +++ b/arch/arm/configs/stm32mp_defconfig @@ -4,7 +4,6 @@ CONFIG_THUMB2_BAREBOX=y CONFIG_ARM_BOARD_APPEND_ATAG=y CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y CONFIG_ARM_UNWIND=y -CONFIG_ARM_PSCI=y CONFIG_MMU=y CONFIG_MALLOC_SIZE=0x0 CONFIG_MALLOC_TLSF=y @@ -23,10 +22,12 @@ CONFIG_BLSPEC=y CONFIG_CONSOLE_ACTIVATE_NONE=y CONFIG_CONSOLE_ALLOW_COLOR=y CONFIG_PBL_CONSOLE=y -CONFIG_PARTITION=y +CONFIG_PARTITION_DISK_EFI=y +# CONFIG_PARTITION_DISK_EFI_GPT_NO_FORCE is not set +# CONFIG_PARTITION_DISK_EFI_GPT_COMPARE is not set CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y CONFIG_RESET_SOURCE=y -CONFIG_DEBUG_INITCALLS=y +CONFIG_MACHINE_ID=y CONFIG_CMD_DMESG=y CONFIG_LONGHELP=y CONFIG_CMD_IOMEM=y @@ -82,19 +83,34 @@ CONFIG_NET=y CONFIG_NET_NETCONSOLE=y CONFIG_OFDEVICE=y CONFIG_OF_BAREBOX_DRIVERS=y +CONFIG_DRIVER_SERIAL_STM32=y CONFIG_DRIVER_NET_DESIGNWARE=y CONFIG_DRIVER_NET_DESIGNWARE_GENERIC=y +CONFIG_DRIVER_NET_DESIGNWARE_EQOS=y +CONFIG_DRIVER_NET_DESIGNWARE_STM32=y CONFIG_AT803X_PHY=y CONFIG_MICREL_PHY=y +CONFIG_REALTEK_PHY=y # CONFIG_SPI is not set +CONFIG_I2C=y +CONFIG_I2C_STM32=y +CONFIG_MCI=y +CONFIG_MCI_STARTUP=y +CONFIG_MCI_STM32_SDMMC2=y +CONFIG_MFD_STPMIC1=y CONFIG_LED=y CONFIG_LED_GPIO=y CONFIG_LED_GPIO_OF=y CONFIG_WATCHDOG=y CONFIG_WATCHDOG_POLLER=y CONFIG_STM32_IWDG_WATCHDOG=y +CONFIG_STPMIC1_WATCHDOG=y +CONFIG_NVMEM=y +CONFIG_STM32_BSEC=y CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED=y +CONFIG_REGULATOR_STPMIC1=y +CONFIG_RESET_STM32=y CONFIG_FS_EXT4=y CONFIG_FS_TFTP=y CONFIG_FS_NFS=y @@ -103,3 +119,4 @@ CONFIG_FS_FAT_WRITE=y CONFIG_FS_FAT_LFN=y CONFIG_ZLIB=y CONFIG_CRC8=y +CONFIG_DIGEST_SHA1_ARM=y diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile index e0b16747ad..09b3bc2eea 100644 --- a/arch/arm/cpu/Makefile +++ b/arch/arm/cpu/Makefile @@ -16,6 +16,7 @@ pbl-$(CONFIG_BOARD_ARM_GENERIC_DT_AARCH64) += board-dt-2nd-aarch64.o obj-pbl-y += setupc$(S64).o cache$(S64).o obj-$(CONFIG_BOOTM_OPTEE) += start-kernel-optee.o +obj-$(CONFIG_ARM_PSCI_CLIENT) += psci-client.o # # Any variants can be called as start-armxyz.S diff --git a/arch/arm/cpu/psci-client.c b/arch/arm/cpu/psci-client.c new file mode 100644 index 0000000000..b5d0d37497 --- /dev/null +++ b/arch/arm/cpu/psci-client.c @@ -0,0 +1,190 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2017 Masahiro Yamada <yamada.masahiro@socionext.com> + * Copyright (C) 2019 Ahmad Fatoum, Pengutronix + */ + +#include <common.h> +#include <init.h> +#include <driver.h> +#include <asm/psci.h> +#include <asm/secure.h> +#include <poweroff.h> +#include <restart.h> +#include <linux/arm-smccc.h> + +static struct restart_handler restart; + +static void __noreturn psci_invoke_noreturn(int function) +{ + int ret; + + ret = psci_invoke(function, 0, 0, 0, NULL); + + pr_err("psci command failed: %s\n", strerror(-ret)); + hang(); +} + +static void __noreturn psci_poweroff(struct poweroff_handler *handler) +{ + psci_invoke_noreturn(ARM_PSCI_0_2_FN_SYSTEM_OFF); +} + +static void __noreturn psci_restart(struct restart_handler *rst) +{ + psci_invoke_noreturn(ARM_PSCI_0_2_FN_SYSTEM_RESET); +} + +static u32 version; +int psci_get_version(void) +{ + if (!version) + return -EPROBE_DEFER; + + return version; +} + +static u32 (*psci_invoke_fn)(ulong, ulong, ulong, ulong); + +static int psci_xlate_error(s32 errnum) +{ + switch (errnum) { + case ARM_PSCI_RET_NOT_SUPPORTED: + return -ENOTSUPP; // Operation not supported + case ARM_PSCI_RET_INVAL: + return -EINVAL; // Invalid argument + case ARM_PSCI_RET_DENIED: + return -EPERM; // Operation not permitted + case ARM_PSCI_RET_ALREADY_ON: + return -EBUSY; // CPU already on + case ARM_PSCI_RET_ON_PENDING: + return -EALREADY; // CPU_ON in progress + case ARM_PSCI_RET_INTERNAL_FAILURE: + return -EIO; // Internal failure + case ARM_PSCI_RET_NOT_PRESENT: + return -ESRCH; // Trusted OS not present on core + case ARM_PSCI_RET_DISABLED: + return -ENODEV; // CPU is disabled + case ARM_PSCI_RET_INVALID_ADDRESS: + return -EACCES; // Bad address + default: + return errnum; + }; +} + +int psci_invoke(ulong function, ulong arg0, ulong arg1, ulong arg2, + ulong *result) +{ + ulong ret; + if (!psci_invoke_fn) + return -EPROBE_DEFER; + + ret = psci_invoke_fn(function, arg0, arg1, arg2); + if (result) + *result = ret; + + switch (function) { + case ARM_PSCI_0_2_FN_PSCI_VERSION: + case ARM_PSCI_1_0_FN64_STAT_RESIDENCY: + case ARM_PSCI_1_0_FN64_STAT_COUNT: + /* These don't return an error code */ + return 0; + } + + return psci_xlate_error(ret); +} + +static u32 invoke_psci_fn_hvc(ulong function, ulong arg0, ulong arg1, ulong arg2) +{ + struct arm_smccc_res res; + arm_smccc_hvc(function, arg0, arg1, arg2, 0, 0, 0, 0, &res); + return res.a0; +} + +static u32 invoke_psci_fn_smc(ulong function, ulong arg0, ulong arg1, ulong arg2) +{ + struct arm_smccc_res res; + arm_smccc_smc(function, arg0, arg1, arg2, 0, 0, 0, 0, &res); + return res.a0; +} + +static int of_psci_do_fixup(struct device_node *root, void *context) +{ + return of_psci_fixup(root, *(u32 *)context); +} + +static int __init psci_probe(struct device_d *dev) +{ + const char *method; + ulong of_version, actual_version; + int ret; + + ret = dev_get_drvdata(dev, (const void **)&of_version); + if (ret) + return -ENODEV; + + ret = of_property_read_string(dev->device_node, "method", &method); + if (ret) { + dev_warn(dev, "missing \"method\" property\n"); + return -ENXIO; + } + + if (!strcmp(method, "hvc")) { + psci_invoke_fn = invoke_psci_fn_hvc; + } else if (!strcmp(method, "smc")) { + psci_invoke_fn = invoke_psci_fn_smc; + } else { + pr_warn("invalid \"method\" property: %s\n", method); + return -EINVAL; + } + + + if (of_version < ARM_PSCI_VER(0,2)) { + version = of_version; + + dev_info(dev, "assuming version %u.%u\n", + version >> 16, version & 0xffff); + dev_dbg(dev, "Not registering reset handler due to PSCI version\n"); + + return 0; + } + + psci_invoke(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, &actual_version); + version = actual_version; + + dev_info(dev, "detected version %u.%u\n", + version >> 16, version & 0xffff); + + if (actual_version != of_version) + of_register_fixup(of_psci_do_fixup, &version); + + ret = poweroff_handler_register_fn(psci_poweroff); + if (ret) + dev_warn(dev, "error registering poweroff handler: %s\n", + strerror(-ret)); + + restart.name = "psci"; + restart.restart = psci_restart; + restart.priority = 400; + + ret = restart_handler_register(&restart); + if (ret) + dev_warn(dev, "error registering restart handler: %s\n", + strerror(-ret)); + + return ret; +} + +static __maybe_unused struct of_device_id psci_dt_ids[] = { + { .compatible = "arm,psci", .data = (void*)ARM_PSCI_VER(0,1) }, + { .compatible = "arm,psci-0.2", .data = (void*)ARM_PSCI_VER(0,2) }, + { .compatible = "arm,psci-1.0", .data = (void*)ARM_PSCI_VER(1,0) }, + { /* sentinel */ }, +}; + +static struct driver_d psci_driver = { + .name = "psci", + .probe = psci_probe, + .of_compatible = DRV_OF_COMPAT(psci_dt_ids), +}; +coredevice_platform_driver(psci_driver); diff --git a/arch/arm/cpu/psci.c b/arch/arm/cpu/psci.c index a976ddbb5c..22ce1dfd0e 100644 --- a/arch/arm/cpu/psci.c +++ b/arch/arm/cpu/psci.c @@ -228,7 +228,7 @@ static int armv7_psci_init(void) } device_initcall(armv7_psci_init); -#ifdef DEBUG +#ifdef CONFIG_ARM_PSCI_DEBUG #include <command.h> #include <getopt.h> @@ -248,8 +248,41 @@ void second_entry(void) while (1); } +static const char *psci_xlate_str(long err) +{ + static char errno_string[sizeof "error 0x123456789ABCDEF0"]; + + switch(err) + { + case ARM_PSCI_RET_SUCCESS: + return "Success"; + case ARM_PSCI_RET_NOT_SUPPORTED: + return "Operation not supported"; + case ARM_PSCI_RET_INVAL: + return "Invalid argument"; + case ARM_PSCI_RET_DENIED: + return "Operation not permitted"; + case ARM_PSCI_RET_ALREADY_ON: + return "CPU already on"; + case ARM_PSCI_RET_ON_PENDING: + return "CPU_ON in progress"; + case ARM_PSCI_RET_INTERNAL_FAILURE: + return "Internal failure"; + case ARM_PSCI_RET_NOT_PRESENT: + return "Trusted OS not present on core"; + case ARM_PSCI_RET_DISABLED: + return "CPU is disabled"; + case ARM_PSCI_RET_INVALID_ADDRESS: + return "Bad address"; + } + + sprintf(errno_string, "error 0x%lx", err); + return errno_string; +} + static int do_smc(int argc, char *argv[]) { + long ret; int opt; struct arm_smccc_res res = { .a0 = 0xdeadbee0, @@ -258,7 +291,10 @@ static int do_smc(int argc, char *argv[]) .a3 = 0xdeadbee3, }; - while ((opt = getopt(argc, argv, "nicz")) > 0) { + if (argc < 2) + return COMMAND_ERROR_USAGE; + + while ((opt = getopt(argc, argv, "nic")) > 0) { switch (opt) { case 'n': armv7_secure_monitor_install(); @@ -271,7 +307,10 @@ static int do_smc(int argc, char *argv[]) case 'c': arm_smccc_smc(ARM_PSCI_0_2_FN_CPU_ON, 1, (unsigned long)second_entry, 0, 0, 0, 0, 0, &res); - break; + ret = (long)res.a0; + printf("CPU_ON returns with: %s\n", psci_xlate_str(ret)); + if (ret) + return COMMAND_ERROR; } } @@ -285,7 +324,6 @@ BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-n", "Install secure monitor and switch to nonsecure mode") BAREBOX_CMD_HELP_OPT ("-i", "Show information about installed PSCI version") BAREBOX_CMD_HELP_OPT ("-c", "Start secondary CPU core") -BAREBOX_CMD_HELP_OPT ("-z", "Turn off secondary CPU core") BAREBOX_CMD_HELP_END BAREBOX_CMD_START(smc) diff --git a/arch/arm/dts/stm32mp157a-dk1.dtsi b/arch/arm/dts/stm32mp157a-dk1.dtsi index f7fbdcd174..e9e386a664 100644 --- a/arch/arm/dts/stm32mp157a-dk1.dtsi +++ b/arch/arm/dts/stm32mp157a-dk1.dtsi @@ -8,6 +8,10 @@ #include <dt-bindings/gpio/gpio.h> / { + aliases { + mmc0 = &sdmmc1; + }; + chosen { environment { compatible = "barebox,environment"; @@ -27,17 +31,4 @@ default-state = "on"; }; }; - - sram: sram@10050000 { - compatible = "mmio-sram"; - reg = <0x10050000 0x10000>; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0 0x10050000 0x10000>; - - dma_pool: dma_pool@0 { - reg = <0x0 0x10000>; - pool; - }; - }; }; diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi index 8d9c84a047..97c075a020 100644 --- a/arch/arm/dts/stm32mp157c.dtsi +++ b/arch/arm/dts/stm32mp157c.dtsi @@ -19,4 +19,12 @@ gpio10 = &gpiok; gpio25 = &gpioz; }; + + psci { + compatible = "arm,psci-0.2"; + }; +}; + +&bsec { + barebox,provide-mac-address = <ðernet0 0x39>; }; diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h index f2db967f3a..b616e4b20e 100644 --- a/arch/arm/include/asm/psci.h +++ b/arch/arm/include/asm/psci.h @@ -18,8 +18,9 @@ #ifndef __ARM_PSCI_H__ #define __ARM_PSCI_H__ -#define ARM_PSCI_VER_1_0 (0x00010000) -#define ARM_PSCI_VER_0_2 (0x00000002) +#define ARM_PSCI_VER(major, minor) (((major) << 16) | (minor)) +#define ARM_PSCI_VER_1_0 ARM_PSCI_VER(1,0) +#define ARM_PSCI_VER_0_2 ARM_PSCI_VER(0,2) /* PSCI 0.1 interface */ #define ARM_PSCI_FN_BASE 0x95c1ba5e @@ -106,6 +107,24 @@ static inline void psci_set_ops(struct psci_ops *ops) } #endif +#ifdef CONFIG_ARM_PSCI_CLIENT +int psci_invoke(ulong function, ulong arg0, ulong arg1, ulong arg2, + ulong *result); + +int psci_get_version(void); +#else +static inline int psci_invoke(ulong function, ulong arg0, ulong arg1, ulong arg2, + ulong *result) +{ + return -ENOSYS; +} + +static inline int psci_get_version(void) +{ + return -ENOSYS; +} +#endif + void psci_cpu_entry(void); #ifdef CONFIG_ARM_PSCI_DEBUG diff --git a/arch/arm/lib/pbl.lds.S b/arch/arm/lib/pbl.lds.S index 01ed384495..b593d0329a 100644 --- a/arch/arm/lib/pbl.lds.S +++ b/arch/arm/lib/pbl.lds.S @@ -114,7 +114,7 @@ SECTIONS } __piggydata_end = .; - .image_end : { *(.__image_end) } + .image_end : { KEEP(*(.__image_end)) } pbl_image_size = . - BASE; diff --git a/arch/arm/mach-socfpga/include/mach/arria10-clock-manager.h b/arch/arm/mach-socfpga/include/mach/arria10-clock-manager.h index ee2b9b3c5e..c0a57439af 100644 --- a/arch/arm/mach-socfpga/include/mach/arria10-clock-manager.h +++ b/arch/arm/mach-socfpga/include/mach/arria10-clock-manager.h @@ -128,6 +128,7 @@ struct arria10_perpll_cfg { extern int arria10_cm_basic_init(struct arria10_mainpll_cfg *mainpll_cfg, struct arria10_perpll_cfg *perpll_cfg); +unsigned int arria10_cm_get_mmc_controller_clk_hz(void); extern unsigned int cm_get_mmc_controller_clk_hz(void); extern void arria10_cm_use_intosc(void); extern uint32_t cm_l4_main_clk_hz; diff --git a/arch/arm/mach-socfpga/include/mach/arria10-reset-manager.h b/arch/arm/mach-socfpga/include/mach/arria10-reset-manager.h index ebd2043426..2033de77a3 100644 --- a/arch/arm/mach-socfpga/include/mach/arria10-reset-manager.h +++ b/arch/arm/mach-socfpga/include/mach/arria10-reset-manager.h @@ -108,6 +108,10 @@ void arria10_reset_peripherals(void); void arria10_reset_deassert_dedicated_peripherals(void); void arria10_reset_deassert_shared_peripherals(void); +void arria10_reset_deassert_shared_peripherals_q1(uint32_t *mask0, uint32_t *mask1); +void arria10_reset_deassert_shared_peripherals_q2(uint32_t *mask0, uint32_t *mask1); +void arria10_reset_deassert_shared_peripherals_q3(uint32_t *mask0, uint32_t *mask1); +void arria10_reset_deassert_shared_peripherals_q4(uint32_t *mask0, uint32_t *mask1); void arria10_reset_deassert_fpga_peripherals(void); #endif diff --git a/arch/arm/mach-socfpga/include/mach/arria10-xload.h b/arch/arm/mach-socfpga/include/mach/arria10-xload.h index 71f8397362..7575231bbf 100644 --- a/arch/arm/mach-socfpga/include/mach/arria10-xload.h +++ b/arch/arm/mach-socfpga/include/mach/arria10-xload.h @@ -4,6 +4,7 @@ void arria10_init_mmc(void); int arria10_prepare_mmc(int barebox_part, int rbf_part); int arria10_read_blocks(void *dst, int blocknum, size_t len); +int a10_update_bits(unsigned int reg, unsigned int mask, unsigned int val); struct partition { uint64_t first_sec; diff --git a/arch/arm/mach-socfpga/include/mach/cyclone5-system-manager.h b/arch/arm/mach-socfpga/include/mach/cyclone5-system-manager.h index 24f52effd8..7cec60937b 100644 --- a/arch/arm/mach-socfpga/include/mach/cyclone5-system-manager.h +++ b/arch/arm/mach-socfpga/include/mach/cyclone5-system-manager.h @@ -57,15 +57,4 @@ void socfpga_sysmgr_pinmux_init(unsigned long *sys_mgr_init_table, int num); #define SYSMGR_FPGAINTF_NAND (1<<4) #define SYSMGR_FPGAINTF_SDMMC (1<<5) -/* Enumeration: sysmgr::emacgrp::ctrl::physel::enum */ -#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII 0x0 -#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII 0x1 -#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RMII 0x2 -#define SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB 0 -#define SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB 2 -#define SYSMGR_EMACGRP_CTRL_PHYSEL_MASK 0x00000003 - -#define SYSMGR_FPGAGRP_MODULE 0x00000028 -#define SYSMGR_FPGAGRP_MODULE_EMAC 0x00000004 - #endif /* _SYSTEM_MANAGER_H_ */ diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig index 6bf950b23f..9b55a3d218 100644 --- a/arch/arm/mach-stm32mp/Kconfig +++ b/arch/arm/mach-stm32mp/Kconfig @@ -5,11 +5,11 @@ config ARCH_NR_GPIO default 416 config ARCH_STM32MP157 + select ARM_PSCI_CLIENT bool config MACH_STM32MP157C_DK2 select ARCH_STM32MP157 - select ARM_USE_COMPRESSED_DTB bool "STM32MP157C-DK2 board" endif diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile index 204cad608f..6f49528892 100644 --- a/arch/arm/mach-stm32mp/Makefile +++ b/arch/arm/mach-stm32mp/Makefile @@ -1 +1,2 @@ -obj-$(CONFIG_BOOTM) := stm32image.o +obj-y := init.o +obj-$(CONFIG_BOOTM) += stm32image.o diff --git a/arch/arm/mach-stm32mp/include/mach/bbu.h b/arch/arm/mach-stm32mp/include/mach/bbu.h new file mode 100644 index 0000000000..8b9504400e --- /dev/null +++ b/arch/arm/mach-stm32mp/include/mach/bbu.h @@ -0,0 +1,14 @@ +#ifndef MACH_STM32MP_BBU_H_ +#define MACH_STM32MP_BBU_H_ + +#include <bbu.h> + +static inline int stm32mp_bbu_mmc_register_handler(const char *name, + const char *devicefile, + unsigned long flags) +{ + return bbu_register_std_file_update(name, flags, devicefile, + filetype_stm32_image_v1); +} + +#endif /* MACH_STM32MP_BBU_H_ */ diff --git a/arch/arm/mach-stm32mp/include/mach/bootsource.h b/arch/arm/mach-stm32mp/include/mach/bootsource.h new file mode 100644 index 0000000000..1b6f562ac3 --- /dev/null +++ b/arch/arm/mach-stm32mp/include/mach/bootsource.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */ +/* + * Copyright (C) 2018, STMicroelectronics - All Rights Reserved + */ + +#ifndef __MACH_STM32_BOOTSOURCE_H__ +#define __MACH_STM32_BOOTSOURCE_H__ + +enum stm32mp_boot_device { + STM32MP_BOOT_FLASH_SD = 0x10, /* .. 0x13 */ + STM32MP_BOOT_FLASH_EMMC = 0x20, /* .. 0x23 */ + STM32MP_BOOT_FLASH_NAND = 0x30, + STM32MP_BOOT_FLASH_NAND_FMC = 0x31, + STM32MP_BOOT_FLASH_NOR = 0x40, + STM32MP_BOOT_FLASH_NOR_QSPI = 0x41, + STM32MP_BOOT_SERIAL_UART = 0x50, /* .. 0x58 */ + STM32MP_BOOT_SERIAL_USB = 0x60, + STM32MP_BOOT_SERIAL_USB_OTG = 0x62, +}; + +enum stm32mp_forced_boot_mode { + STM32MP_BOOT_NORMAL = 0x00, + STM32MP_BOOT_FASTBOOT = 0x01, + STM32MP_BOOT_RECOVERY = 0x02, + STM32MP_BOOT_STM32PROG = 0x03, + STM32MP_BOOT_UMS_MMC0 = 0x10, + STM32MP_BOOT_UMS_MMC1 = 0x11, + STM32MP_BOOT_UMS_MMC2 = 0x12, +}; + +enum stm32mp_forced_boot_mode st32mp_get_forced_boot_mode(void); + +#endif diff --git a/arch/arm/mach-stm32mp/include/mach/bsec.h b/arch/arm/mach-stm32mp/include/mach/bsec.h new file mode 100644 index 0000000000..559faaa2ba --- /dev/null +++ b/arch/arm/mach-stm32mp/include/mach/bsec.h @@ -0,0 +1,41 @@ +#ifndef __MACH_STM32_BSEC_H__ +#define __MACH_STM32_BSEC_H__ + +#include <mach/smc.h> + +/* Return status */ +enum bsec_smc { + BSEC_SMC_OK = 0, + BSEC_SMC_ERROR = -1, + BSEC_SMC_DISTURBED = -2, + BSEC_SMC_INVALID_PARAM = -3, + BSEC_SMC_PROG_FAIL = -4, + BSEC_SMC_LOCK_FAIL = -5, + BSEC_SMC_WRITE_FAIL = -6, + BSEC_SMC_SHADOW_FAIL = -7, + BSEC_SMC_TIMEOUT = -8, +}; + +/* Service for BSEC */ +enum bsec_field { + BSEC_SMC_READ_SHADOW = 1, + BSEC_SMC_PROG_OTP = 2, + BSEC_SMC_WRITE_SHADOW = 3, + BSEC_SMC_READ_OTP = 4, + BSEC_SMC_READ_ALL = 5, + BSEC_SMC_WRITE_ALL = 6, +}; + +static inline enum bsec_smc bsec_read_field(enum bsec_field field, unsigned *val) +{ + return stm32mp_smc(STM32_SMC_BSEC, BSEC_SMC_READ_SHADOW, + field, 0, val); +} + +static inline enum bsec_smc bsec_write_field(enum bsec_field field, unsigned val) +{ + return stm32mp_smc(STM32_SMC_BSEC, BSEC_SMC_WRITE_SHADOW, + field, val, NULL); +} + +#endif diff --git a/arch/arm/mach-stm32mp/include/mach/revision.h b/arch/arm/mach-stm32mp/include/mach/revision.h new file mode 100644 index 0000000000..387201421d --- /dev/null +++ b/arch/arm/mach-stm32mp/include/mach/revision.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */ +/* + * Copyright (C) 2015-2017, STMicroelectronics - All Rights Reserved + */ + +#ifndef __MACH_CPUTYPE_H__ +#define __MACH_CPUTYPE_H__ + +/* ID = Device Version (bit31:16) + Device Part Number (RPN) (bit15:0)*/ +#define CPU_STM32MP157Cxx 0x05000000 +#define CPU_STM32MP157Axx 0x05000001 +#define CPU_STM32MP153Cxx 0x05000024 +#define CPU_STM32MP153Axx 0x05000025 +#define CPU_STM32MP151Cxx 0x0500002E +#define CPU_STM32MP151Axx 0x0500002F + +/* silicon revisions */ +#define CPU_REV_A 0x1000 +#define CPU_REV_B 0x2000 + +int stm32mp_silicon_revision(void); +int stm32mp_cputype(void); +int stm32mp_package(void); + +#define cpu_is_stm32mp157c() (stm32mp_cputype() == CPU_STM32MP157Cxx) +#define cpu_is_stm32mp157a() (stm32mp_cputype() == CPU_STM32MP157Axx) +#define cpu_is_stm32mp153c() (stm32mp_cputype() == CPU_STM32MP153Cxx) +#define cpu_is_stm32mp153a() (stm32mp_cputype() == CPU_STM32MP153Axx) +#define cpu_is_stm32mp151c() (stm32mp_cputype() == CPU_STM32MP151Cxx) +#define cpu_is_stm32mp151a() (stm32mp_cputype() == CPU_STM32MP151Axx) + +#endif /* __MACH_CPUTYPE_H__ */ diff --git a/arch/arm/mach-stm32mp/include/mach/smc.h b/arch/arm/mach-stm32mp/include/mach/smc.h new file mode 100644 index 0000000000..6b8e62bd53 --- /dev/null +++ b/arch/arm/mach-stm32mp/include/mach/smc.h @@ -0,0 +1,28 @@ +#ifndef __MACH_STM32_SMC_H__ +#define __MACH_STM32_SMC_H__ + +#include <linux/arm-smccc.h> + +/* Secure Service access from Non-secure */ +#define STM32_SMC_RCC 0x82001000 +#define STM32_SMC_PWR 0x82001001 +#define STM32_SMC_RTC 0x82001002 +#define STM32_SMC_BSEC 0x82001003 + +/* Register access service use for RCC/RTC/PWR */ +#define STM32_SMC_REG_WRITE 0x1 +#define STM32_SMC_REG_SET 0x2 +#define STM32_SMC_REG_CLEAR 0x3 + +static inline int stm32mp_smc(u32 svc, u8 op, u32 data1, u32 data2, u32 *val) +{ + struct arm_smccc_res res; + + arm_smccc_smc(svc, op, data1, data2, 0, 0, 0, 0, &res); + if (val) + *val = res.a1; + + return (int)res.a0; +} + +#endif diff --git a/arch/arm/mach-stm32mp/init.c b/arch/arm/mach-stm32mp/init.c new file mode 100644 index 0000000000..7bad989a60 --- /dev/null +++ b/arch/arm/mach-stm32mp/init.c @@ -0,0 +1,260 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) 2018, STMicroelectronics - All Rights Reserved + * Copyright (C) 2019 Ahmad Fatoum, Pengutronix + */ + +#define pr_fmt(fmt) "stm32mp-init: " fmt + +#include <common.h> +#include <init.h> +#include <mach/stm32.h> +#include <mach/bsec.h> +#include <mach/revision.h> +#include <mach/bootsource.h> +#include <bootsource.h> + +/* DBGMCU register */ +#define DBGMCU_IDC (STM32_DBGMCU_BASE + 0x00) +#define DBGMCU_APB4FZ1 (STM32_DBGMCU_BASE + 0x2C) +#define DBGMCU_APB4FZ1_IWDG2 BIT(2) +#define DBGMCU_IDC_DEV_ID_MASK GENMASK(11, 0) +#define DBGMCU_IDC_DEV_ID_SHIFT 0 +#define DBGMCU_IDC_REV_ID_MASK GENMASK(31, 16) +#define DBGMCU_IDC_REV_ID_SHIFT 16 + +#define RCC_DBGCFGR (STM32_RCC_BASE + 0x080C) +#define RCC_DBGCFGR_DBGCKEN BIT(8) + +/* BSEC OTP index */ +#define BSEC_OTP_RPN 1 +#define BSEC_OTP_PKG 16 + +/* Device Part Number (RPN) = OTP_DATA1 lower 8 bits */ +#define RPN_SHIFT 0 +#define RPN_MASK GENMASK(7, 0) + +/* Package = bit 27:29 of OTP16 + * - 100: LBGA448 (FFI) => AA = LFBGA 18x18mm 448 balls p. 0.8mm + * - 011: LBGA354 (LCI) => AB = LFBGA 16x16mm 359 balls p. 0.8mm + * - 010: TFBGA361 (FFC) => AC = TFBGA 12x12mm 361 balls p. 0.5mm + * - 001: TFBGA257 (LCC) => AD = TFBGA 10x10mm 257 balls p. 0.5mm + * - others: Reserved + */ +#define PKG_SHIFT 27 +#define PKG_MASK GENMASK(2, 0) + +#define PKG_AA_LBGA448 4 +#define PKG_AB_LBGA354 3 +#define PKG_AC_TFBGA361 2 +#define PKG_AD_TFBGA257 1 + +/* + * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT + * - boot device = bit 8:4 + * - boot instance = bit 3:0 + */ +#define BOOT_TYPE_MASK 0xF0 +#define BOOT_TYPE_SHIFT 4 +#define BOOT_INSTANCE_MASK 0x0F +#define BOOT_INSTANCE_SHIFT 0 + +/* TAMP registers */ +#define TAMP_BACKUP_REGISTER(x) (STM32_TAMP_BASE + 0x100 + 4 * x) +/* secure access */ +#define TAMP_BACKUP_MAGIC_NUMBER TAMP_BACKUP_REGISTER(4) +#define TAMP_BACKUP_BRANCH_ADDRESS TAMP_BACKUP_REGISTER(5) +/* non secure access */ +#define TAMP_BOOT_CONTEXT TAMP_BACKUP_REGISTER(20) +#define TAMP_BOOTCOUNT TAMP_BACKUP_REGISTER(21) + +#define TAMP_BOOT_MODE_MASK GENMASK(15, 8) +#define TAMP_BOOT_MODE_SHIFT 8 +#define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4) +#define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0) +#define TAMP_BOOT_FORCED_MASK GENMASK(7, 0) +#define TAMP_BOOT_DEBUG_ON BIT(16) + + +static enum stm32mp_forced_boot_mode __stm32mp_forced_boot_mode; +enum stm32mp_forced_boot_mode st32mp_get_forced_boot_mode(void) +{ + return __stm32mp_forced_boot_mode; +} + +static void setup_boot_mode(void) +{ + u32 boot_ctx = readl(TAMP_BOOT_CONTEXT); + u32 boot_mode = + (boot_ctx & TAMP_BOOT_MODE_MASK) >> TAMP_BOOT_MODE_SHIFT; + int instance = (boot_mode & TAMP_BOOT_INSTANCE_MASK) - 1; + enum bootsource src = BOOTSOURCE_UNKNOWN; + + switch (boot_mode & TAMP_BOOT_DEVICE_MASK) { + case STM32MP_BOOT_SERIAL_UART: + src = BOOTSOURCE_SERIAL; + break; + case STM32MP_BOOT_SERIAL_USB: + src = BOOTSOURCE_USB; + break; + case STM32MP_BOOT_FLASH_SD: + case STM32MP_BOOT_FLASH_EMMC: + src = BOOTSOURCE_MMC; + break; + case STM32MP_BOOT_FLASH_NAND: + src = BOOTSOURCE_NAND; + break; + case STM32MP_BOOT_FLASH_NOR: + instance = 0; + src = BOOTSOURCE_NOR; + break; + case STM32MP_BOOT_FLASH_NOR_QSPI: + instance--; + src = BOOTSOURCE_SPI_NOR; + break; + default: + pr_debug("unexpected boot mode\n"); + break; + } + + __stm32mp_forced_boot_mode = boot_ctx & TAMP_BOOT_FORCED_MASK; + + pr_debug("[boot_ctx=0x%x] => mode=0x%x, instance=%d forced=0x%x\n", + boot_ctx, boot_mode, instance, __stm32mp_forced_boot_mode); + + bootsource_set(src); + bootsource_set_instance(instance); + + /* clear TAMP for next reboot */ + clrsetbits_le32(TAMP_BOOT_CONTEXT, TAMP_BOOT_FORCED_MASK, + STM32MP_BOOT_NORMAL); +} + +static int __stm32mp_cputype; +int stm32mp_cputype(void) +{ + return __stm32mp_cputype; +} + +static int __stm32mp_silicon_revision; +int stm32mp_silicon_revision(void) +{ + return __stm32mp_silicon_revision; +} + +static int __stm32mp_package; +int stm32mp_package(void) +{ + return __stm32mp_package; +} + +static inline u32 read_idc(void) +{ + setbits_le32(RCC_DBGCFGR, RCC_DBGCFGR_DBGCKEN); + return readl(IOMEM(DBGMCU_IDC)); +} + +/* Get Device Part Number (RPN) from OTP */ +static u32 get_cpu_rpn(u32 *rpn) +{ + int ret = bsec_read_field(BSEC_OTP_RPN, rpn); + if (ret) + return ret; + + *rpn = (*rpn >> RPN_SHIFT) & RPN_MASK; + return 0; +} + +static u32 get_cpu_revision(void) +{ + return (read_idc() & DBGMCU_IDC_REV_ID_MASK) >> DBGMCU_IDC_REV_ID_SHIFT; +} + +static u32 get_cpu_type(u32 *type) +{ + u32 id; + int ret = get_cpu_rpn(type); + if (ret) + return ret; + + id = (read_idc() & DBGMCU_IDC_DEV_ID_MASK) >> DBGMCU_IDC_DEV_ID_SHIFT; + *type |= id << 16; + return 0; +} + +static int get_cpu_package(u32 *pkg) +{ + int ret = bsec_read_field(BSEC_OTP_PKG, pkg); + if (ret) + return ret; + + *pkg = (*pkg >> PKG_SHIFT) & PKG_MASK; + return 0; +} + +static int setup_cpu_type(void) +{ + const char *cputypestr; + const char *cpupkgstr; + + get_cpu_type(&__stm32mp_cputype); + switch (__stm32mp_cputype) { + case CPU_STM32MP157Cxx: + cputypestr = "157C"; + break; + case CPU_STM32MP157Axx: + cputypestr = "157A"; + break; + case CPU_STM32MP153Cxx: + cputypestr = "153C"; + break; + case CPU_STM32MP153Axx: + cputypestr = "153A"; + break; + case CPU_STM32MP151Cxx: + cputypestr = "151C"; + break; + case CPU_STM32MP151Axx: + cputypestr = "151A"; + break; + default: + cputypestr = "????"; + break; + } + + get_cpu_package(&__stm32mp_package ); + switch (__stm32mp_package) { + case PKG_AA_LBGA448: + cpupkgstr = "AA"; + break; + case PKG_AB_LBGA354: + cpupkgstr = "AB"; + break; + case PKG_AC_TFBGA361: + cpupkgstr = "AC"; + break; + case PKG_AD_TFBGA257: + cpupkgstr = "AD"; + break; + default: + cpupkgstr = "??"; + break; + } + + __stm32mp_silicon_revision = get_cpu_revision(); + + pr_debug("cputype = 0x%x, package = 0x%x, revision = 0x%x\n", + __stm32mp_cputype, __stm32mp_package, __stm32mp_silicon_revision); + pr_info("detected STM32MP%s%s Rev.%c\n", cputypestr, cpupkgstr, + (__stm32mp_silicon_revision >> 12) + 'A' - 1); + return 0; +} + +static int stm32mp_init(void) +{ + setup_cpu_type(); + setup_boot_mode(); + + return 0; +} +postcore_initcall(stm32mp_init); diff --git a/arch/mips/boot/main_entry.c b/arch/mips/boot/main_entry.c index 4ae4457e7e..2c18bc81c3 100644 --- a/arch/mips/boot/main_entry.c +++ b/arch/mips/boot/main_entry.c @@ -77,12 +77,6 @@ void __bare_init main_entry(void *fdt, u32 fdt_size) cpu_probe(); - if (cpu_has_4k_cache) { - extern void r4k_cache_init(void); - - r4k_cache_init(); - } - trap_init(); malloc_end = (unsigned long)_stext; diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h index cceba0acc0..4bb39b1cd4 100644 --- a/arch/mips/include/asm/cache.h +++ b/arch/mips/include/asm/cache.h @@ -2,5 +2,6 @@ #define _ASM_MIPS_CACHE_H void flush_cache_all(void); +void r4k_cache_init(void); #endif /* _ASM_MIPS_CACHE_H */ diff --git a/arch/mips/lib/cpu-probe.c b/arch/mips/lib/cpu-probe.c index 2556a8b240..ddabddd466 100644 --- a/arch/mips/lib/cpu-probe.c +++ b/arch/mips/lib/cpu-probe.c @@ -9,6 +9,8 @@ */ #include <common.h> #include <asm/mipsregs.h> +#include <asm/cache.h> +#include <asm/cpu-features.h> #include <asm/cpu-info.h> #include <asm/cpu.h> #include <memory.h> @@ -163,6 +165,9 @@ void cpu_probe(void) cpu_probe_ingenic(c); break; } + + if (cpu_has_4k_cache) + r4k_cache_init(); } unsigned long mips_stack_top; diff --git a/arch/mips/lib/reloc.c b/arch/mips/lib/reloc.c index 9a9e404f7e..df9760e38c 100644 --- a/arch/mips/lib/reloc.c +++ b/arch/mips/lib/reloc.c @@ -110,11 +110,13 @@ void relocate_code(void *fdt, u32 fdt_size, u32 ram_size) { unsigned long addr, length, bss_len; u32 relocaddr, new_stack; - uint8_t *buf, *bss_start; + uint8_t *buf; unsigned int type; long off; bss_len = (unsigned long)&__bss_stop - (unsigned long)__bss_start; + memset(__bss_start, 0, bss_len); + cpu_probe(); length = barebox_image_size + bss_len; relocaddr = ALIGN_DOWN(ram_size - length, SZ_64K); @@ -149,10 +151,6 @@ void relocate_code(void *fdt, u32 fdt_size, u32 ram_size) /* Ensure the icache is coherent */ flush_cache_all(); - /* Clear the .bss section */ - bss_start = (uint8_t *)((unsigned long)__bss_start + off); - memset(bss_start, 0, bss_len); - __asm__ __volatile__ ( "move $a0, %0\n" " move $a1, %1\n" diff --git a/arch/mips/mach-loongson/include/mach/loongson1.h b/arch/mips/mach-loongson/include/mach/loongson1.h index 75e1a55047..8b53f47e9e 100644 --- a/arch/mips/mach-loongson/include/mach/loongson1.h +++ b/arch/mips/mach-loongson/include/mach/loongson1.h @@ -1,28 +1,54 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * Copyright (c) 2011 Zhang, Keguang <keguang.zhang at gmail.com> + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> * * Register mappings for Loongson 1 */ -#ifndef __ASM_MACH_LOONGSON1_LOONGSON1_H -#define __ASM_MACH_LOONGSON1_LOONGSON1_H +#ifndef __ASM_MACH_LOONGSON32_LOONGSON1_H +#define __ASM_MACH_LOONGSON32_LOONGSON1_H -#include <asm/addrspace.h> +#if defined(CONFIG_LOONGSON1_LS1B) +#define DEFAULT_MEMSIZE 64 /* If no memsize provided */ +#elif defined(CONFIG_LOONGSON1_LS1C) +#define DEFAULT_MEMSIZE 32 +#endif /* Loongson 1 Register Bases */ +#define LS1X_MUX_BASE 0x1fd00420 +#define LS1X_INTC_BASE 0x1fd01040 +#define LS1X_GPIO0_BASE 0x1fd010c0 +#define LS1X_GPIO1_BASE 0x1fd010c4 +#define LS1X_DMAC_BASE 0x1fd01160 +#define LS1X_CBUS_BASE 0x1fd011c0 +#define LS1X_EHCI_BASE 0x1fe00000 +#define LS1X_OHCI_BASE 0x1fe08000 +#define LS1X_GMAC0_BASE 0x1fe10000 +#define LS1X_GMAC1_BASE 0x1fe20000 + #define LS1X_UART0_BASE 0x1fe40000 #define LS1X_UART1_BASE 0x1fe44000 #define LS1X_UART2_BASE 0x1fe48000 #define LS1X_UART3_BASE 0x1fe4c000 +#define LS1X_CAN0_BASE 0x1fe50000 +#define LS1X_CAN1_BASE 0x1fe54000 +#define LS1X_I2C0_BASE 0x1fe58000 +#define LS1X_I2C1_BASE 0x1fe68000 +#define LS1X_I2C2_BASE 0x1fe70000 +#define LS1X_PWM0_BASE 0x1fe5c000 +#define LS1X_PWM1_BASE 0x1fe5c010 +#define LS1X_PWM2_BASE 0x1fe5c020 +#define LS1X_PWM3_BASE 0x1fe5c030 #define LS1X_WDT_BASE 0x1fe5c060 +#define LS1X_RTC_BASE 0x1fe64000 +#define LS1X_AC97_BASE 0x1fe74000 +#define LS1X_NAND_BASE 0x1fe78000 +#define LS1X_CLK_BASE 0x1fe78030 -/* Loongson 1 watchdog register definitions */ -#define LS1X_WDT_REG(x) \ - ((void __iomem *)KSEG1ADDR(LS1X_WDT_BASE + (x))) - -#define LS1X_WDT_EN LS1X_WDT_REG(0x0) -#define LS1X_WDT_SET LS1X_WDT_REG(0x4) -#define LS1X_WDT_TIMER LS1X_WDT_REG(0x8) +#include <mach/regs-clk.h> +#include <mach/regs-mux.h> +#include <mach/regs-pwm.h> +#include <mach/regs-rtc.h> +#include <mach/regs-wdt.h> -#endif /* __ASM_MACH_LOONGSON1_LOONGSON1_H */ +#endif /* __ASM_MACH_LOONGSON32_LOONGSON1_H */ diff --git a/arch/mips/mach-loongson/include/mach/regs-clk.h b/arch/mips/mach-loongson/include/mach/regs-clk.h new file mode 100644 index 0000000000..98136fa8be --- /dev/null +++ b/arch/mips/mach-loongson/include/mach/regs-clk.h @@ -0,0 +1,81 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 Clock Register Definitions. + */ + +#ifndef __ASM_MACH_LOONGSON32_REGS_CLK_H +#define __ASM_MACH_LOONGSON32_REGS_CLK_H + +#define LS1X_CLK_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x))) + +#define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0) +#define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4) + +#if defined(CONFIG_LOONGSON1_LS1B) +/* Clock PLL Divisor Register Bits */ +#define DIV_DC_EN BIT(31) +#define DIV_DC_RST BIT(30) +#define DIV_CPU_EN BIT(25) +#define DIV_CPU_RST BIT(24) +#define DIV_DDR_EN BIT(19) +#define DIV_DDR_RST BIT(18) +#define RST_DC_EN BIT(5) +#define RST_DC BIT(4) +#define RST_DDR_EN BIT(3) +#define RST_DDR BIT(2) +#define RST_CPU_EN BIT(1) +#define RST_CPU BIT(0) + +#define DIV_DC_SHIFT 26 +#define DIV_CPU_SHIFT 20 +#define DIV_DDR_SHIFT 14 + +#define DIV_DC_WIDTH 4 +#define DIV_CPU_WIDTH 4 +#define DIV_DDR_WIDTH 4 + +#define BYPASS_DC_SHIFT 12 +#define BYPASS_DDR_SHIFT 10 +#define BYPASS_CPU_SHIFT 8 + +#define BYPASS_DC_WIDTH 1 +#define BYPASS_DDR_WIDTH 1 +#define BYPASS_CPU_WIDTH 1 + +#elif defined(CONFIG_LOONGSON1_LS1C) +/* PLL/SDRAM Frequency configuration register Bits */ +#define PLL_VALID BIT(31) +#define FRAC_N GENMASK(23, 16) +#define RST_TIME GENMASK(3, 2) +#define SDRAM_DIV GENMASK(1, 0) + +/* CPU/CAMERA/DC Frequency configuration register Bits */ +#define DIV_DC_EN BIT(31) +#define DIV_DC GENMASK(30, 24) +#define DIV_CAM_EN BIT(23) +#define DIV_CAM GENMASK(22, 16) +#define DIV_CPU_EN BIT(15) +#define DIV_CPU GENMASK(14, 8) +#define DIV_DC_SEL_EN BIT(5) +#define DIV_DC_SEL BIT(4) +#define DIV_CAM_SEL_EN BIT(3) +#define DIV_CAM_SEL BIT(2) +#define DIV_CPU_SEL_EN BIT(1) +#define DIV_CPU_SEL BIT(0) + +#define DIV_DC_SHIFT 24 +#define DIV_CAM_SHIFT 16 +#define DIV_CPU_SHIFT 8 +#define DIV_DDR_SHIFT 0 + +#define DIV_DC_WIDTH 7 +#define DIV_CAM_WIDTH 7 +#define DIV_CPU_WIDTH 7 +#define DIV_DDR_WIDTH 2 + +#endif + +#endif /* __ASM_MACH_LOONGSON32_REGS_CLK_H */ diff --git a/arch/mips/mach-loongson/include/mach/regs-mux.h b/arch/mips/mach-loongson/include/mach/regs-mux.h new file mode 100644 index 0000000000..95788a4f03 --- /dev/null +++ b/arch/mips/mach-loongson/include/mach/regs-mux.h @@ -0,0 +1,124 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2014 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 MUX Register Definitions. + */ + +#ifndef __ASM_MACH_LOONGSON32_REGS_MUX_H +#define __ASM_MACH_LOONGSON32_REGS_MUX_H + +#define LS1X_MUX_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_MUX_BASE + (x))) + +#define LS1X_MUX_CTRL0 LS1X_MUX_REG(0x0) +#define LS1X_MUX_CTRL1 LS1X_MUX_REG(0x4) + +#if defined(CONFIG_LOONGSON1_LS1B) +/* MUX CTRL0 Register Bits */ +#define UART0_USE_PWM23 BIT(28) +#define UART0_USE_PWM01 BIT(27) +#define UART1_USE_LCD0_5_6_11 BIT(26) +#define I2C2_USE_CAN1 BIT(25) +#define I2C1_USE_CAN0 BIT(24) +#define NAND3_USE_UART5 BIT(23) +#define NAND3_USE_UART4 BIT(22) +#define NAND3_USE_UART1_DAT BIT(21) +#define NAND3_USE_UART1_CTS BIT(20) +#define NAND3_USE_PWM23 BIT(19) +#define NAND3_USE_PWM01 BIT(18) +#define NAND2_USE_UART5 BIT(17) +#define NAND2_USE_UART4 BIT(16) +#define NAND2_USE_UART1_DAT BIT(15) +#define NAND2_USE_UART1_CTS BIT(14) +#define NAND2_USE_PWM23 BIT(13) +#define NAND2_USE_PWM01 BIT(12) +#define NAND1_USE_UART5 BIT(11) +#define NAND1_USE_UART4 BIT(10) +#define NAND1_USE_UART1_DAT BIT(9) +#define NAND1_USE_UART1_CTS BIT(8) +#define NAND1_USE_PWM23 BIT(7) +#define NAND1_USE_PWM01 BIT(6) +#define GMAC1_USE_UART1 BIT(4) +#define GMAC1_USE_UART0 BIT(3) +#define LCD_USE_UART0_DAT BIT(2) +#define LCD_USE_UART15 BIT(1) +#define LCD_USE_UART0 BIT(0) + +/* MUX CTRL1 Register Bits */ +#define USB_RESET BIT(31) +#define SPI1_CS_USE_PWM01 BIT(24) +#define SPI1_USE_CAN BIT(23) +#define DISABLE_DDR_CONFSPACE BIT(20) +#define DDR32TO16EN BIT(16) +#define GMAC1_SHUT BIT(13) +#define GMAC0_SHUT BIT(12) +#define USB_SHUT BIT(11) +#define UART1_3_USE_CAN1 BIT(5) +#define UART1_2_USE_CAN0 BIT(4) +#define GMAC1_USE_TXCLK BIT(3) +#define GMAC0_USE_TXCLK BIT(2) +#define GMAC1_USE_PWM23 BIT(1) +#define GMAC0_USE_PWM01 BIT(0) + +#elif defined(CONFIG_LOONGSON1_LS1C) + +/* SHUT_CTRL Register Bits */ +#define UART_SPLIT GENMASK(31, 30) +#define OUTPUT_CLK GENMASK(29, 26) +#define ADC_SHUT BIT(25) +#define SDIO_SHUT BIT(24) +#define DMA2_SHUT BIT(23) +#define DMA1_SHUT BIT(22) +#define DMA0_SHUT BIT(21) +#define SPI1_SHUT BIT(20) +#define SPI0_SHUT BIT(19) +#define I2C2_SHUT BIT(18) +#define I2C1_SHUT BIT(17) +#define I2C0_SHUT BIT(16) +#define AC97_SHUT BIT(15) +#define I2S_SHUT BIT(14) +#define UART3_SHUT BIT(13) +#define UART2_SHUT BIT(12) +#define UART1_SHUT BIT(11) +#define UART0_SHUT BIT(10) +#define CAN1_SHUT BIT(9) +#define CAN0_SHUT BIT(8) +#define ECC_SHUT BIT(7) +#define GMAC_SHUT BIT(6) +#define USBHOST_SHUT BIT(5) +#define USBOTG_SHUT BIT(4) +#define SDRAM_SHUT BIT(3) +#define SRAM_SHUT BIT(2) +#define CAM_SHUT BIT(1) +#define LCD_SHUT BIT(0) + +#define UART_SPLIT_SHIFT 30 +#define OUTPUT_CLK_SHIFT 26 + +/* MISC_CTRL Register Bits */ +#define USBHOST_RSTN BIT(31) +#define PHY_INTF_SELI GENMASK(30, 28) +#define AC97_EN BIT(25) +#define SDIO_DMA_EN GENMASK(24, 23) +#define ADC_DMA_EN BIT(22) +#define SDIO_USE_SPI1 BIT(17) +#define SDIO_USE_SPI0 BIT(16) +#define SRAM_CTRL GENMASK(15, 0) + +#define PHY_INTF_SELI_SHIFT 28 +#define SDIO_DMA_EN_SHIFT 23 +#define SRAM_CTRL_SHIFT 0 + +#define LS1X_CBUS_REG(n, x) \ + ((void __iomem *)KSEG1ADDR(LS1X_CBUS_BASE + (n * 0x04) + (x))) + +#define LS1X_CBUS_FIRST(n) LS1X_CBUS_REG(n, 0x00) +#define LS1X_CBUS_SECOND(n) LS1X_CBUS_REG(n, 0x10) +#define LS1X_CBUS_THIRD(n) LS1X_CBUS_REG(n, 0x20) +#define LS1X_CBUS_FOURTHT(n) LS1X_CBUS_REG(n, 0x30) +#define LS1X_CBUS_FIFTHT(n) LS1X_CBUS_REG(n, 0x40) + +#endif + +#endif /* __ASM_MACH_LOONGSON32_REGS_MUX_H */ diff --git a/arch/mips/mach-loongson/include/mach/regs-pwm.h b/arch/mips/mach-loongson/include/mach/regs-pwm.h new file mode 100644 index 0000000000..ec870c82d4 --- /dev/null +++ b/arch/mips/mach-loongson/include/mach/regs-pwm.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2014 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 PWM Register Definitions. + */ + +#ifndef __ASM_MACH_LOONGSON32_REGS_PWM_H +#define __ASM_MACH_LOONGSON32_REGS_PWM_H + +/* Loongson 1 PWM Timer Register Definitions */ +#define PWM_CNT 0x0 +#define PWM_HRC 0x4 +#define PWM_LRC 0x8 +#define PWM_CTRL 0xc + +/* PWM Control Register Bits */ +#define CNT_RST BIT(7) +#define INT_SR BIT(6) +#define INT_EN BIT(5) +#define PWM_SINGLE BIT(4) +#define PWM_OE BIT(3) +#define CNT_EN BIT(0) + +#endif /* __ASM_MACH_LOONGSON32_REGS_PWM_H */ diff --git a/arch/mips/mach-loongson/include/mach/regs-rtc.h b/arch/mips/mach-loongson/include/mach/regs-rtc.h new file mode 100644 index 0000000000..a3d096be16 --- /dev/null +++ b/arch/mips/mach-loongson/include/mach/regs-rtc.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2016 Yang Ling <gnaygnil@gmail.com> + * + * Loongson 1 RTC timer Register Definitions. + */ + +#ifndef __ASM_MACH_LOONGSON32_REGS_RTC_H +#define __ASM_MACH_LOONGSON32_REGS_RTC_H + +#define LS1X_RTC_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_RTC_BASE + (x))) + +#define LS1X_RTC_CTRL LS1X_RTC_REG(0x40) + +#define RTC_EXTCLK_OK (BIT(5) | BIT(8)) +#define RTC_EXTCLK_EN BIT(8) + +#endif /* __ASM_MACH_LOONGSON32_REGS_RTC_H */ diff --git a/arch/mips/mach-loongson/include/mach/regs-wdt.h b/arch/mips/mach-loongson/include/mach/regs-wdt.h new file mode 100644 index 0000000000..c6d345fe13 --- /dev/null +++ b/arch/mips/mach-loongson/include/mach/regs-wdt.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 Watchdog Register Definitions. + */ + +#ifndef __ASM_MACH_LOONGSON32_REGS_WDT_H +#define __ASM_MACH_LOONGSON32_REGS_WDT_H + +#define WDT_EN 0x0 +#define WDT_TIMER 0x4 +#define WDT_SET 0x8 + +#endif /* __ASM_MACH_LOONGSON32_REGS_WDT_H */ diff --git a/arch/mips/mach-loongson/loongson1_reset.c b/arch/mips/mach-loongson/loongson1_reset.c index 3763a109ea..a6c05905de 100644 --- a/arch/mips/mach-loongson/loongson1_reset.c +++ b/arch/mips/mach-loongson/loongson1_reset.c @@ -11,9 +11,9 @@ static void __noreturn longhorn_restart_soc(struct restart_handler *rst) { - __raw_writel(0x1, LS1X_WDT_EN); - __raw_writel(0x1, LS1X_WDT_SET); - __raw_writel(0x1, LS1X_WDT_TIMER); + __raw_writel(0x1, WDT_EN); + __raw_writel(0x1, WDT_SET); + __raw_writel(0x1, WDT_TIMER); hang(); } diff --git a/arch/sandbox/board/dev-random.c b/arch/sandbox/board/dev-random.c index f65e5ef6e5..60295e9fce 100644 --- a/arch/sandbox/board/dev-random.c +++ b/arch/sandbox/board/dev-random.c @@ -4,10 +4,6 @@ devrandom_t *devrandom_init(void) { devrandom_t *fds = xzalloc(sizeof(*fds)); - fds->randomfd = linux_open("/dev/random", false); - if (fds->randomfd < 0) - return ERR_PTR(-EPERM); - fds->urandomfd = linux_open("/dev/urandom", false); if (fds->urandomfd < 0) return ERR_PTR(-EPERM); @@ -17,8 +13,7 @@ devrandom_t *devrandom_init(void) { int devrandom_read(devrandom_t *devrandom, void *buf, size_t len, int wait) { - if (wait) - return linux_read(devrandom->randomfd, buf, len); + (void)wait; /* /dev/urandom won't block */ return linux_read(devrandom->urandomfd, buf, len); } diff --git a/arch/sandbox/mach-sandbox/include/mach/linux.h b/arch/sandbox/mach-sandbox/include/mach/linux.h index 1e64d41c6a..9759a376ec 100644 --- a/arch/sandbox/mach-sandbox/include/mach/linux.h +++ b/arch/sandbox/mach-sandbox/include/mach/linux.h @@ -52,7 +52,6 @@ int barebox_libftdi1_update(struct ft2232_bitbang *ftbb); void barebox_libftdi1_close(void); typedef struct { - int randomfd; int urandomfd; } devrandom_t; devrandom_t *devrandom_init(void); diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c index 86118822a1..3ad12b4a30 100644 --- a/arch/sandbox/os/common.c +++ b/arch/sandbox/os/common.c @@ -39,6 +39,8 @@ #include <signal.h> #include <sys/select.h> #include <sys/wait.h> +#include <sys/ioctl.h> +#include <linux/fs.h> /* * ...except the ones needed to connect with barebox */ @@ -260,11 +262,17 @@ static int add_image(char *str, char *devname_template, int *devname_number) hf->size = s.st_size; hf->devname = strdup(devname); + if (S_ISBLK(s.st_mode)) { + if (ioctl(fd, BLKGETSIZE64, &hf->size) == -1) { + perror("ioctl"); + goto err_out; + } + } hf->base = (unsigned long)mmap(NULL, hf->size, PROT_READ | (readonly ? 0 : PROT_WRITE), MAP_SHARED, fd, 0); if ((void *)hf->base == MAP_FAILED) - printf("warning: mmapping %s failed\n", filename); + printf("warning: mmapping %s failed: %s\n", filename, strerror(errno)); ret = barebox_register_filedev(hf); if (ret) diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h new file mode 100644 index 0000000000..a8d1bdb7de --- /dev/null +++ b/arch/x86/include/asm/linkage.h @@ -0,0 +1,6 @@ +#ifndef __ASM_LINKAGE_H +#define __ASM_LINKAGE_H + +/* referenced by <linux/linkage.h> */ + +#endif diff --git a/arch/x86/mach-efi/reloc_x86_64.c b/arch/x86/mach-efi/reloc_x86_64.c index 1db72f5dbc..e83bacb302 100644 --- a/arch/x86/mach-efi/reloc_x86_64.c +++ b/arch/x86/mach-efi/reloc_x86_64.c @@ -35,11 +35,14 @@ SUCH DAMAGE. */ +#include <linux/linkage.h> #include <common.h> #include <efi.h> #include <elf.h> +asmlinkage efi_status_t _relocate (long, Elf64_Dyn *, efi_handle_t, efi_system_table_t *); + efi_status_t _relocate (long ldbase, Elf64_Dyn *dyn, efi_handle_t image, efi_system_table_t *systab) { long relsz = 0, relent = 0; diff --git a/commands/Kconfig b/commands/Kconfig index 0189b4715b..a6db52ae54 100644 --- a/commands/Kconfig +++ b/commands/Kconfig @@ -1389,8 +1389,10 @@ config CMD_PASSWD help Set password - 'Interactively asks for a password. The digest of this password will be - stored in /env/etc//passwd. This is then used by the 'login' command. + Interactively asks for a password. The digest of this password will be + stored in /env/etc/passwd. This is then used by the 'login' command. + + Passwords can be generated on the host machine using barebox sandbox. Entering an empty string will disable the password function. diff --git a/commands/cp.c b/commands/cp.c index 54934dd64f..845dae6b15 100644 --- a/commands/cp.c +++ b/commands/cp.c @@ -100,13 +100,14 @@ BAREBOX_CMD_HELP_START(cp) BAREBOX_CMD_HELP_TEXT("Copy file from SRC to DEST.") BAREBOX_CMD_HELP_TEXT("") BAREBOX_CMD_HELP_TEXT("Options:") +BAREBOX_CMD_HELP_OPT ("-r", "recursive") BAREBOX_CMD_HELP_OPT ("-v", "verbose") BAREBOX_CMD_HELP_END BAREBOX_CMD_START(cp) .cmd = do_cp, BAREBOX_CMD_DESC("copy files") - BAREBOX_CMD_OPTS("[-v] SRC DEST") + BAREBOX_CMD_OPTS("[-rv] SRC DEST") BAREBOX_CMD_GROUP(CMD_GRP_FILE) BAREBOX_CMD_HELP(cmd_cp_help) BAREBOX_CMD_END diff --git a/commands/edit.c b/commands/edit.c index ba6a8c7cdd..4e661df14f 100644 --- a/commands/edit.c +++ b/commands/edit.c @@ -55,7 +55,7 @@ static int scrcol = 0; /* the first column on screen */ static void pos(int x, int y) { - printf("%c[%d;%dH", 27, y + 2, x + 1); + printf("\x1b[%d;%dH", y + 2, x + 1); } static char *screenline(char *line, int *pos) @@ -110,7 +110,7 @@ static void refresh_line(struct line *line, int ypos) char *str = screenline(line->data, NULL) + scrcol; pos(0, ypos); str[screenwidth] = 0; - printf("%s%c[K", str, 27); + printf("%s\x1b[K", str); pos(cursx, cursy); } @@ -130,7 +130,7 @@ static void refresh(int full) if (!full) { if (smartscroll) { if (scrline->next == lastscrline) { - printf("%c[1T", 27); + printf("\x1b[1T"); refresh_line(scrline, 0); pos(0, screenheight); printf("%*s", screenwidth, ""); @@ -138,7 +138,7 @@ static void refresh(int full) } if (scrline->prev == lastscrline) { - printf("%c[1S", 27); + printf("\x1b[1S"); for (i = 0; i < screenheight - 1; i++) { l = l->next; if (!l) @@ -378,8 +378,128 @@ static void getwinsize(void) pos(0, 0); } +static void statusbar(const char *str) +{ + pos(0, screenheight+1); + printf("%*c\r%s", screenwidth, ' ', str); + pos(cursx, cursy); +} + +static int read_modal_key(bool is_modal) +{ + static enum { MODE_INSERT, MODE_NORMAL } mode = MODE_NORMAL; + static int backlog[2] = { -1, -1 }; + int c; + + if (backlog[0] >= 0) { + /* pop a character */ + c = backlog[0]; + backlog[0] = backlog[1]; + backlog[1] = -1; + } else { + c = read_key(); + } + + if (is_modal && mode == MODE_INSERT && (c == -1 || c == CTL_CH('c'))) { + mode = MODE_NORMAL; + statusbar(""); + return -EAGAIN; + } + + if (!is_modal || mode == MODE_INSERT) + return c; + + switch (c) { + case -1: /* invalid escape, e.g. two escapes in a row */ + break; + case 'i': + statusbar("-- INSERT --"); + mode = MODE_INSERT; + break; + case 'h': + return BB_KEY_LEFT; + case 'j': + return BB_KEY_DOWN; + case 'k': + return BB_KEY_UP; + case 'a': + statusbar("-- INSERT --"); + mode = MODE_INSERT; + /* fall through */ + case 'l': + return BB_KEY_RIGHT; + case 'O': + backlog[0] = '\n'; + backlog[1] = BB_KEY_UP; + /* fall through */ + case 'I': + statusbar("-- INSERT --"); + mode = MODE_INSERT; + /* fall through */ + case '^': + case '0': + return BB_KEY_HOME; + case 'g': + c = read_key(); + if (c != 'g') + break; + backlog[0] = CTL_CH('u'); + backlog[1] = CTL_CH('u'); + /* fall through */ + case CTL_CH('u'): + return BB_KEY_PAGEUP; + case 'G': + backlog[0] = CTL_CH('d'); + backlog[1] = CTL_CH('d'); + /* fall through */ + case CTL_CH('d'): + return BB_KEY_PAGEDOWN; + case 'o': + backlog[0] = '\n'; + /* fall through */ + case 'A': + statusbar("-- INSERT --"); + mode = MODE_INSERT; + /* fall through */ + case '$': + return BB_KEY_END; + case CTL_CH('c'): + statusbar("Type ZQ to abandon all changes and exit vi." + "Type ZZ to exit while saving them."); + break; + case 'x': + return BB_KEY_DEL; + case 'X': + return '\b'; + case BB_KEY_PAGEUP: + case BB_KEY_PAGEDOWN: + case BB_KEY_HOME: + case BB_KEY_END: + case BB_KEY_UP: + case BB_KEY_DOWN: + case BB_KEY_RIGHT: + case BB_KEY_LEFT: + return c; + case ':': + statusbar("ERROR: command mode not supported"); + break; + case 'Z': + c = read_key(); + if (c == 'Z') + return CTL_CH('d'); + if (c == 'Q') + return CTL_CH('c'); + default: + statusbar("ERROR: not implemented"); + break; + } + + return -EAGAIN; +} + static int do_edit(int argc, char *argv[]) { + bool is_vi = false; int lastscrcol; int i; int linepos; @@ -401,10 +521,14 @@ static int do_edit(int argc, char *argv[]) else screenheight = 25; - /* check if we are called as "sedit" instead of "edit" */ - if (*argv[0] == 's') { + /* check if we are not called as "edit" */ + if (*argv[0] != 'e') { smartscroll = 1; getwinsize(); + + /* check if we are called as "vi" */ + if (*argv[0] == 'v') + is_vi = true; } buffer = NULL; @@ -420,18 +544,26 @@ static int do_edit(int argc, char *argv[]) lastscrline = scrline; lastscrcol = 0; - printf("%c[2J", 27); + printf("\x1b[2J"); pos(0, -1); - printf("%c[7m %-25s <ctrl-d>: Save and quit <ctrl-c>: quit %c[0m", - 27, argv[1], 27); - printf("%c[2;%dr", 27, screenheight); - - screenheight--; /* status line */ + if (is_vi) { + screenheight -= 2; + printf("\x1b[7m%*c\x1b[0m", screenwidth , ' '); + pos(0, screenheight-1); + printf("\x1b[7m%*c\x1b[0m", screenwidth , ' '); + printf("\r\x1b[7m%-25s\x1b[0m", argv[1]); + } else { + printf("\x1b[7m %-25s <ctrl-d>: Save and quit <ctrl-c>: quit \x1b[0m", + argv[1]); + } + printf("\x1b[2;%dr", screenheight); pos(0, 0); + screenheight--; /* status line */ + refresh(1); while (1) { @@ -469,7 +601,11 @@ static int do_edit(int argc, char *argv[]) lastscrline = scrline; pos(cursx, cursy); - c = read_key(); +again: + c = read_modal_key(is_vi); + if (c == -EAGAIN) + goto again; + switch (c) { case BB_KEY_UP: if (!curline->prev) @@ -554,12 +690,12 @@ static int do_edit(int argc, char *argv[]) } out: free_buffer(); - printf("%c[2J%c[r", 27, 27); + printf("\x1b[2J\x1b[r"); printf("\n"); return ret; } -static const char * const edit_aliases[] = { "sedit", NULL}; +static const char * const edit_aliases[] = { "sedit", "vi", NULL}; BAREBOX_CMD_HELP_START(edit) BAREBOX_CMD_HELP_TEXT("Use cursor keys, Ctrl-C to exit and Ctrl-D to exit-with-save.") diff --git a/common/Kconfig b/common/Kconfig index b840242ac9..d397d8bc4d 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -959,11 +959,11 @@ config STATE_CRYPTO for more information. config STATE_BACKWARD_COMPATIBLE - bool "backward compatible 'direct storage backend'" + bool "backward compatible 'direct' storage backend" depends on STATE help - With this option enabled the 'direct' storage backend keeps backward - compatibility with older revisions of the state framework. Newer + With this option enabled, the 'direct' storage backend keeps backward + compatibility with the state framework of barebox <= v2016.08.0. Newer revisions expect an additional 'meta header' and fail otherwise. config BOOTCHOOSER diff --git a/common/efi-devicepath.c b/common/efi-devicepath.c index 24722284b4..3db2cea061 100644 --- a/common/efi-devicepath.c +++ b/common/efi-devicepath.c @@ -572,7 +572,7 @@ dev_path_vendor(struct string *str, void *dev_path) } cprintf(str, "Ven%s(%pU", type, &Vendor->Guid); - if (efi_compare_guid(&Vendor->Guid, &efi_unknown_device_guid) == 0) { + if (efi_guidcmp(Vendor->Guid, efi_unknown_device_guid) == 0) { /* GUID used by EFI to enumerate an EDD 1.1 device */ unknown_dev_path = (struct unknown_device_vendor_device_path *) Vendor; diff --git a/common/efi-guid.c b/common/efi-guid.c index 1e45ccf4d2..2bf2395e85 100644 --- a/common/efi-guid.c +++ b/common/efi-guid.c @@ -52,7 +52,7 @@ const char *efi_guid_string(efi_guid_t *g) EFI_GUID_STRING(EFI_ISA_IO_PROTOCOL_GUID, "ISA IO Protocol", "ISA IO Protocol"); EFI_GUID_STRING(EFI_STANDARD_ERROR_DEVICE_GUID, "Standard Error Device Guid", "EFI Standard Error Device Guid"); EFI_GUID_STRING(EFI_CONSOLE_OUT_DEVICE_GUID, "Console Out Device Guid", "EFI Console Out Device Guid"); - EFI_GUID_STRING(EFI_CONSOLE_IN_DEVICE_GUID, "Console In Device Guid", "EFI Conosle In Device Guid"); + EFI_GUID_STRING(EFI_CONSOLE_IN_DEVICE_GUID, "Console In Device Guid", "EFI Console In Device Guid"); EFI_GUID_STRING(EFI_SIMPLE_TEXT_OUT_PROTOCOL_GUID, "Simple Text Out Protocol", "EFI 1.0 Simple Text Out Protocol"); EFI_GUID_STRING(EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID, "Simple Text Input Ex Protocol", "UEFI 2.1 Simple Text Input Ex Protocol"); EFI_GUID_STRING(EFI_SIMPLE_TEXT_IN_PROTOCOL_GUID, "Simple Text In Protocol", "EFI 1.0 Simple Text In Protocol"); diff --git a/common/efi/efi.c b/common/efi/efi.c index a7b25cbbe2..73cea37036 100644 --- a/common/efi/efi.c +++ b/common/efi/efi.c @@ -17,6 +17,7 @@ * */ +#include <linux/linkage.h> #include <common.h> #include <linux/sizes.h> #include <memory.h> @@ -318,6 +319,8 @@ static int efi_init(void) } device_initcall(efi_init); +asmlinkage efi_status_t efi_main(efi_handle_t, efi_system_table_t *); + /** * efi-main - Entry point for EFI images */ diff --git a/common/partitions.c b/common/partitions.c index 574b31fbbe..4162e86804 100644 --- a/common/partitions.c +++ b/common/partitions.c @@ -54,8 +54,8 @@ static int register_one_partition(struct block_device *blk, partition_name = basprintf("%s.%d", blk->cdev.name, no); if (!partition_name) return -ENOMEM; - dev_dbg(blk->dev, "Registering partition %s on drive %s\n", - partition_name, blk->cdev.name); + dev_dbg(blk->dev, "Registering partition %s on drive %s (partuuid=%s)\n", + partition_name, blk->cdev.name, part->partuuid); cdev = devfs_add_partition(blk->cdev.name, start, size, 0, partition_name); if (IS_ERR(cdev)) { diff --git a/drivers/block/efi-block-io.c b/drivers/block/efi-block-io.c index d167d814c2..39dbfb0f7a 100644 --- a/drivers/block/efi-block-io.c +++ b/drivers/block/efi-block-io.c @@ -14,6 +14,7 @@ #include <disks.h> #include <efi/efi.h> #include <efi/efi-device.h> +#include <bootsource.h> #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 ((2<<16) | (31)) @@ -145,6 +146,7 @@ static int is_bio_usbdev(struct efi_device *efidev) static int efi_bio_probe(struct efi_device *efidev) { int ret; + int instance; struct efi_bio_priv *priv; struct efi_block_io_media *media; @@ -159,10 +161,14 @@ static int efi_bio_probe(struct efi_device *efidev) efi_bio_print_info(priv); priv->dev = &efidev->dev; - if (is_bio_usbdev(efidev)) - priv->blk.cdev.name = xasprintf("usbdisk%d", cdev_find_free_index("usbdisk")); - else - priv->blk.cdev.name = xasprintf("disk%d", cdev_find_free_index("disk")); + if (is_bio_usbdev(efidev)) { + instance = cdev_find_free_index("usbdisk"); + priv->blk.cdev.name = xasprintf("usbdisk%d", instance); + } else { + instance = cdev_find_free_index("disk"); + priv->blk.cdev.name = xasprintf("disk%d", instance); + } + priv->blk.blockbits = ffs(media->block_size) - 1; priv->blk.num_blocks = media->last_block + 1; priv->blk.ops = &efi_bio_ops; @@ -174,6 +180,9 @@ static int efi_bio_probe(struct efi_device *efidev) if (ret) return ret; + if (efi_get_bootsource() == efidev) + bootsource_set_instance(instance); + parse_partition_table(&priv->blk); return 0; diff --git a/drivers/efi/efi-device.c b/drivers/efi/efi-device.c index 305d337aab..a1aac2dd31 100644 --- a/drivers/efi/efi-device.c +++ b/drivers/efi/efi-device.c @@ -311,7 +311,7 @@ static int efi_bus_match(struct device_d *dev, struct driver_d *drv) int i; for (i = 0; i < efidev->num_guids; i++) { - if (!memcmp(&efidrv->guid, &efidev->guids[i], sizeof(efi_guid_t))) { + if (!efi_guidcmp(efidrv->guid, efidev->guids[i])) { BS->handle_protocol(efidev->handle, &efidev->guids[i], &efidev->protocol); return 0; @@ -398,13 +398,19 @@ static int is_bio_usbdev(struct efi_device *efidev) return 0; } +static struct efi_device *bootdev; + +struct efi_device *efi_get_bootsource(void) +{ + return bootdev; +} + static void efi_set_bootsource(void) { enum bootsource src = BOOTSOURCE_UNKNOWN; int instance = BOOTSOURCE_INSTANCE_UNKNOWN; efi_handle_t *efi_parent; - struct efi_device *bootdev; if (!efi_loaded_image->parent_handle) goto out; diff --git a/drivers/hw_random/Kconfig b/drivers/hw_random/Kconfig index c57928204d..242a7ef278 100644 --- a/drivers/hw_random/Kconfig +++ b/drivers/hw_random/Kconfig @@ -15,11 +15,11 @@ config HWRNG_MXC_RNGC Generator hardware found on some Freescale i.MX processors. config HWRNG_DEV_RANDOM - tristate "Linux /dev/random and /dev/urandom RNG" + tristate "Linux /dev/urandom RNG" depends on SANDBOX default y help - This driver allows use of the host provided /dev/random - and /dev/urandom as barebox HWRNGs. + This driver allows use of the host provided /dev/urandom + as barebox HWRNGs. endif diff --git a/drivers/mci/Kconfig b/drivers/mci/Kconfig index 08c8c84e8c..4a71a46097 100644 --- a/drivers/mci/Kconfig +++ b/drivers/mci/Kconfig @@ -153,4 +153,13 @@ config MMC_SPI_CRC_ON help Enable CRC protection for transfers +config MCI_STM32_SDMMC2 + bool "STMicroelectronics STM32H7 SD/MMC Host Controller support" + depends on ARM_AMBA + depends on RESET_CONTROLLER + help + This selects support for the SD/MMC controller on STM32H7 SoCs. + If you have a board based on such a SoC and with a SD/MMC slot, + say Y or M here. + endif diff --git a/drivers/mci/Makefile b/drivers/mci/Makefile index 25a1d073dc..04c1287fee 100644 --- a/drivers/mci/Makefile +++ b/drivers/mci/Makefile @@ -14,3 +14,4 @@ obj-$(CONFIG_MCI_TEGRA) += tegra-sdmmc.o obj-$(CONFIG_MCI_SPI) += mci_spi.o obj-$(CONFIG_MCI_DW) += dw_mmc.o obj-$(CONFIG_MCI_MMCI) += mmci.o +obj-$(CONFIG_MCI_STM32_SDMMC2) += stm32_sdmmc2.o diff --git a/drivers/mci/stm32_sdmmc2.c b/drivers/mci/stm32_sdmmc2.c new file mode 100644 index 0000000000..1a41c34d24 --- /dev/null +++ b/drivers/mci/stm32_sdmmc2.c @@ -0,0 +1,672 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics. + */ + +#include <common.h> +#include <dma.h> +#include <init.h> +#include <linux/amba/bus.h> +#include <linux/iopoll.h> +#include <linux/log2.h> +#include <linux/reset.h> +#include <mci.h> + +#define DRIVER_NAME "stm32_sdmmc" + +/* SDMMC REGISTERS OFFSET */ +#define SDMMC_POWER 0x00 /* SDMMC power control */ +#define SDMMC_CLKCR 0x04 /* SDMMC clock control */ +#define SDMMC_ARG 0x08 /* SDMMC argument */ +#define SDMMC_CMD 0x0C /* SDMMC command */ +#define SDMMC_RESP1 0x14 /* SDMMC response 1 */ +#define SDMMC_RESP2 0x18 /* SDMMC response 2 */ +#define SDMMC_RESP3 0x1C /* SDMMC response 3 */ +#define SDMMC_RESP4 0x20 /* SDMMC response 4 */ +#define SDMMC_DTIMER 0x24 /* SDMMC data timer */ +#define SDMMC_DLEN 0x28 /* SDMMC data length */ +#define SDMMC_DCTRL 0x2C /* SDMMC data control */ +#define SDMMC_DCOUNT 0x30 /* SDMMC data counter */ +#define SDMMC_STA 0x34 /* SDMMC status */ +#define SDMMC_ICR 0x38 /* SDMMC interrupt clear */ +#define SDMMC_MASK 0x3C /* SDMMC mask */ +#define SDMMC_IDMACTRL 0x50 /* SDMMC DMA control */ +#define SDMMC_IDMABASE0 0x58 /* SDMMC DMA buffer 0 base address */ + +/* SDMMC_POWER register */ +#define SDMMC_POWER_PWRCTRL_MASK GENMASK(1, 0) +#define SDMMC_POWER_PWRCTRL_OFF 0 +#define SDMMC_POWER_PWRCTRL_CYCLE 2 +#define SDMMC_POWER_PWRCTRL_ON 3 +#define SDMMC_POWER_VSWITCH BIT(2) +#define SDMMC_POWER_VSWITCHEN BIT(3) +#define SDMMC_POWER_DIRPOL BIT(4) + +/* SDMMC_CLKCR register */ +#define SDMMC_CLKCR_CLKDIV GENMASK(9, 0) +#define SDMMC_CLKCR_CLKDIV_MAX SDMMC_CLKCR_CLKDIV +#define SDMMC_CLKCR_PWRSAV BIT(12) +#define SDMMC_CLKCR_WIDBUS_4 BIT(14) +#define SDMMC_CLKCR_WIDBUS_8 BIT(15) +#define SDMMC_CLKCR_NEGEDGE BIT(16) +#define SDMMC_CLKCR_HWFC_EN BIT(17) +#define SDMMC_CLKCR_DDR BIT(18) +#define SDMMC_CLKCR_BUSSPEED BIT(19) +#define SDMMC_CLKCR_SELCLKRX_MASK GENMASK(21, 20) +#define SDMMC_CLKCR_SELCLKRX_CK 0 +#define SDMMC_CLKCR_SELCLKRX_CKIN BIT(20) +#define SDMMC_CLKCR_SELCLKRX_FBCK BIT(21) + +/* SDMMC_CMD register */ +#define SDMMC_CMD_CMDINDEX GENMASK(5, 0) +#define SDMMC_CMD_CMDTRANS BIT(6) +#define SDMMC_CMD_CMDSTOP BIT(7) +#define SDMMC_CMD_WAITRESP GENMASK(9, 8) +#define SDMMC_CMD_WAITRESP_0 BIT(8) +#define SDMMC_CMD_WAITRESP_1 BIT(9) +#define SDMMC_CMD_WAITINT BIT(10) +#define SDMMC_CMD_WAITPEND BIT(11) +#define SDMMC_CMD_CPSMEN BIT(12) +#define SDMMC_CMD_DTHOLD BIT(13) +#define SDMMC_CMD_BOOTMODE BIT(14) +#define SDMMC_CMD_BOOTEN BIT(15) +#define SDMMC_CMD_CMDSUSPEND BIT(16) + +/* SDMMC_DCTRL register */ +#define SDMMC_DCTRL_DTEN BIT(0) +#define SDMMC_DCTRL_DTDIR BIT(1) +#define SDMMC_DCTRL_DTMODE GENMASK(3, 2) +#define SDMMC_DCTRL_DBLOCKSIZE GENMASK(7, 4) +#define SDMMC_DCTRL_DBLOCKSIZE_SHIFT 4 +#define SDMMC_DCTRL_RWSTART BIT(8) +#define SDMMC_DCTRL_RWSTOP BIT(9) +#define SDMMC_DCTRL_RWMOD BIT(10) +#define SDMMC_DCTRL_SDMMCEN BIT(11) +#define SDMMC_DCTRL_BOOTACKEN BIT(12) +#define SDMMC_DCTRL_FIFORST BIT(13) + +/* SDMMC_STA register */ +#define SDMMC_STA_CCRCFAIL BIT(0) +#define SDMMC_STA_DCRCFAIL BIT(1) +#define SDMMC_STA_CTIMEOUT BIT(2) +#define SDMMC_STA_DTIMEOUT BIT(3) +#define SDMMC_STA_TXUNDERR BIT(4) +#define SDMMC_STA_RXOVERR BIT(5) +#define SDMMC_STA_CMDREND BIT(6) +#define SDMMC_STA_CMDSENT BIT(7) +#define SDMMC_STA_DATAEND BIT(8) +#define SDMMC_STA_DHOLD BIT(9) +#define SDMMC_STA_DBCKEND BIT(10) +#define SDMMC_STA_DABORT BIT(11) +#define SDMMC_STA_DPSMACT BIT(12) +#define SDMMC_STA_CPSMACT BIT(13) +#define SDMMC_STA_TXFIFOHE BIT(14) +#define SDMMC_STA_RXFIFOHF BIT(15) +#define SDMMC_STA_TXFIFOF BIT(16) +#define SDMMC_STA_RXFIFOF BIT(17) +#define SDMMC_STA_TXFIFOE BIT(18) +#define SDMMC_STA_RXFIFOE BIT(19) +#define SDMMC_STA_BUSYD0 BIT(20) +#define SDMMC_STA_BUSYD0END BIT(21) +#define SDMMC_STA_SDMMCIT BIT(22) +#define SDMMC_STA_ACKFAIL BIT(23) +#define SDMMC_STA_ACKTIMEOUT BIT(24) +#define SDMMC_STA_VSWEND BIT(25) +#define SDMMC_STA_CKSTOP BIT(26) +#define SDMMC_STA_IDMATE BIT(27) +#define SDMMC_STA_IDMABTC BIT(28) + +/* SDMMC_ICR register */ +#define SDMMC_ICR_CCRCFAILC BIT(0) +#define SDMMC_ICR_DCRCFAILC BIT(1) +#define SDMMC_ICR_CTIMEOUTC BIT(2) +#define SDMMC_ICR_DTIMEOUTC BIT(3) +#define SDMMC_ICR_TXUNDERRC BIT(4) +#define SDMMC_ICR_RXOVERRC BIT(5) +#define SDMMC_ICR_CMDRENDC BIT(6) +#define SDMMC_ICR_CMDSENTC BIT(7) +#define SDMMC_ICR_DATAENDC BIT(8) +#define SDMMC_ICR_DHOLDC BIT(9) +#define SDMMC_ICR_DBCKENDC BIT(10) +#define SDMMC_ICR_DABORTC BIT(11) +#define SDMMC_ICR_BUSYD0ENDC BIT(21) +#define SDMMC_ICR_SDMMCITC BIT(22) +#define SDMMC_ICR_ACKFAILC BIT(23) +#define SDMMC_ICR_ACKTIMEOUTC BIT(24) +#define SDMMC_ICR_VSWENDC BIT(25) +#define SDMMC_ICR_CKSTOPC BIT(26) +#define SDMMC_ICR_IDMATEC BIT(27) +#define SDMMC_ICR_IDMABTCC BIT(28) +#define SDMMC_ICR_STATIC_FLAGS ((GENMASK(28, 21)) | (GENMASK(11, 0))) + +/* SDMMC_MASK register */ +#define SDMMC_MASK_CCRCFAILIE BIT(0) +#define SDMMC_MASK_DCRCFAILIE BIT(1) +#define SDMMC_MASK_CTIMEOUTIE BIT(2) +#define SDMMC_MASK_DTIMEOUTIE BIT(3) +#define SDMMC_MASK_TXUNDERRIE BIT(4) +#define SDMMC_MASK_RXOVERRIE BIT(5) +#define SDMMC_MASK_CMDRENDIE BIT(6) +#define SDMMC_MASK_CMDSENTIE BIT(7) +#define SDMMC_MASK_DATAENDIE BIT(8) +#define SDMMC_MASK_DHOLDIE BIT(9) +#define SDMMC_MASK_DBCKENDIE BIT(10) +#define SDMMC_MASK_DABORTIE BIT(11) +#define SDMMC_MASK_TXFIFOHEIE BIT(14) +#define SDMMC_MASK_RXFIFOHFIE BIT(15) +#define SDMMC_MASK_RXFIFOFIE BIT(17) +#define SDMMC_MASK_TXFIFOEIE BIT(18) +#define SDMMC_MASK_BUSYD0ENDIE BIT(21) +#define SDMMC_MASK_SDMMCITIE BIT(22) +#define SDMMC_MASK_ACKFAILIE BIT(23) +#define SDMMC_MASK_ACKTIMEOUTIE BIT(24) +#define SDMMC_MASK_VSWENDIE BIT(25) +#define SDMMC_MASK_CKSTOPIE BIT(26) +#define SDMMC_MASK_IDMABTCIE BIT(28) + +/* SDMMC_IDMACTRL register */ +#define SDMMC_IDMACTRL_IDMAEN BIT(0) + +#define SDMMC_CMD_TIMEOUT 0xFFFFFFFF +#define SDMMC_BUSYD0END_TIMEOUT_US 2000000 + +#define IS_RISING_EDGE(reg) ((reg) & SDMMC_CLKCR_NEGEDGE ? 0 : 1) + +struct stm32_sdmmc2_priv { + void __iomem *base; + struct mci_host mci; + struct device_d *dev; + struct clk *clk; + struct reset_control *reset_ctl; + u32 clk_reg_msk; + u32 pwr_reg_msk; +}; + +#define to_mci_host(mci) container_of(mci, struct stm32_sdmmc2_priv, mci) + +/* + * Reset the SDMMC with the RCC.SDMMCxRST register bit. + * This will reset the SDMMC to the reset state and the CPSM and DPSM + * to the Idle state. SDMMC is disabled, Signals Hiz. + */ +static int stm32_sdmmc2_reset(struct mci_host *mci, struct device_d *mci_dev) +{ + struct stm32_sdmmc2_priv *priv = to_mci_host(mci); + + reset_control_assert(priv->reset_ctl); + udelay(2); + reset_control_deassert(priv->reset_ctl); + + /* init the needed SDMMC register after reset */ + writel(priv->pwr_reg_msk, priv->base + SDMMC_POWER); + + return 0; +} + +/* + * Set the SDMMC in power-cycle state. + * This will make that the SDMMC_D[7:0], + * SDMMC_CMD and SDMMC_CK are driven low, to prevent the card from being + * supplied through the signal lines. + */ +static void stm32_sdmmc2_pwrcycle(struct stm32_sdmmc2_priv *priv) +{ + if ((readl(priv->base + SDMMC_POWER) & SDMMC_POWER_PWRCTRL_MASK) == + SDMMC_POWER_PWRCTRL_CYCLE) + return; + + stm32_sdmmc2_reset(&priv->mci, priv->dev); + writel(SDMMC_POWER_PWRCTRL_CYCLE | priv->pwr_reg_msk, + priv->base + SDMMC_POWER); +} + +/* + * set the SDMMC state Power-on: the card is clocked + * manage the SDMMC state control: + * Reset => Power-Cycle => Power-Off => Power + * PWRCTRL=10 PWCTRL=00 PWCTRL=11 + */ +static void stm32_sdmmc2_pwron(struct stm32_sdmmc2_priv *priv) +{ + u32 pwrctrl = + readl(priv->base + SDMMC_POWER) & SDMMC_POWER_PWRCTRL_MASK; + + if (pwrctrl == SDMMC_POWER_PWRCTRL_ON) + return; + + /* warning: same PWRCTRL value after reset and for power-off state + * it is the reset state here = the only managed by the driver + */ + if (pwrctrl == SDMMC_POWER_PWRCTRL_OFF) { + writel(SDMMC_POWER_PWRCTRL_CYCLE | priv->pwr_reg_msk, + priv->base + SDMMC_POWER); + } + + /* + * the remaining case is SDMMC_POWER_PWRCTRL_CYCLE + * switch to Power-Off state: SDMCC disable, signals drive 1 + */ + writel(SDMMC_POWER_PWRCTRL_OFF | priv->pwr_reg_msk, + priv->base + SDMMC_POWER); + + /* After the 1ms delay set the SDMMC to power-on */ + mdelay(1); + writel(SDMMC_POWER_PWRCTRL_ON | priv->pwr_reg_msk, + priv->base + SDMMC_POWER); + + /* during the first 74 SDMMC_CK cycles the SDMMC is still disabled. */ +} + +static void stm32_sdmmc2_start_data(struct stm32_sdmmc2_priv *priv, + struct mci_data *data, u32 data_length) +{ + unsigned int num_bytes = data->blocks * data->blocksize; + u32 data_ctrl, idmabase0; + + /* Configure the SDMMC DPSM (Data Path State Machine) */ + data_ctrl = (__ilog2_u32(data->blocksize) << + SDMMC_DCTRL_DBLOCKSIZE_SHIFT) & + SDMMC_DCTRL_DBLOCKSIZE; + + if (data->flags & MMC_DATA_READ) { + data_ctrl |= SDMMC_DCTRL_DTDIR; + idmabase0 = (u32)data->dest; + } else { + idmabase0 = (u32)data->src; + } + + /* Set the SDMMC DataLength value */ + writel(data_length, priv->base + SDMMC_DLEN); + + /* Write to SDMMC DCTRL */ + writel(data_ctrl, priv->base + SDMMC_DCTRL); + + if (data->flags & MMC_DATA_WRITE) + dma_sync_single_for_device((unsigned long)idmabase0, + num_bytes, DMA_TO_DEVICE); + else + dma_sync_single_for_device((unsigned long)idmabase0, + num_bytes, DMA_FROM_DEVICE); + + /* Enable internal DMA */ + writel(idmabase0, priv->base + SDMMC_IDMABASE0); + writel(SDMMC_IDMACTRL_IDMAEN, priv->base + SDMMC_IDMACTRL); +} + +static void stm32_sdmmc2_start_cmd(struct stm32_sdmmc2_priv *priv, + struct mci_cmd *cmd, u32 cmd_param, + u32 data_length) +{ + u32 timeout = 0; + + if (readl(priv->base + SDMMC_CMD) & SDMMC_CMD_CPSMEN) + writel(0, priv->base + SDMMC_CMD); + + cmd_param |= cmd->cmdidx | SDMMC_CMD_CPSMEN; + if (cmd->resp_type & MMC_RSP_PRESENT) { + if (cmd->resp_type & MMC_RSP_136) + cmd_param |= SDMMC_CMD_WAITRESP; + else if (cmd->resp_type & MMC_RSP_CRC) + cmd_param |= SDMMC_CMD_WAITRESP_0; + else + cmd_param |= SDMMC_CMD_WAITRESP_1; + } + + /* + * SDMMC_DTIME must be set in two case: + * - on data transfert. + * - on busy request. + * If not done or too short, the dtimeout flag occurs and DPSM stays + * enabled/busy and waits for abort (stop transmission cmd). + * Next data command is not possible whereas DPSM is activated. + */ + if (data_length) { + timeout = SDMMC_CMD_TIMEOUT; + } else { + writel(0, priv->base + SDMMC_DCTRL); + + if (cmd->resp_type & MMC_RSP_BUSY) + timeout = SDMMC_CMD_TIMEOUT; + } + + /* Set the SDMMC Data TimeOut value */ + writel(timeout, priv->base + SDMMC_DTIMER); + + /* Clear flags */ + writel(SDMMC_ICR_STATIC_FLAGS, priv->base + SDMMC_ICR); + + /* Set SDMMC argument value */ + writel(cmd->cmdarg, priv->base + SDMMC_ARG); + + /* Set SDMMC command parameters */ + writel(cmd_param, priv->base + SDMMC_CMD); +} + +static int stm32_sdmmc2_end_cmd(struct stm32_sdmmc2_priv *priv, + struct mci_cmd *cmd) +{ + u32 mask = SDMMC_STA_CTIMEOUT; + u32 status; + int ret; + + if (cmd->resp_type & MMC_RSP_PRESENT) { + mask |= SDMMC_STA_CMDREND; + if (cmd->resp_type & MMC_RSP_CRC) + mask |= SDMMC_STA_CCRCFAIL; + } else { + mask |= SDMMC_STA_CMDSENT; + } + + /* Polling status register */ + ret = readl_poll_timeout(priv->base + SDMMC_STA, status, status & mask, + SDMMC_BUSYD0END_TIMEOUT_US); + if (ret < 0) { + dev_err(priv->dev, "timeout reading SDMMC_STA register\n"); + return ret; + } + + /* Check status */ + if (status & SDMMC_STA_CTIMEOUT) { + dev_err(priv->dev, "%s: error SDMMC_STA_CTIMEOUT (0x%x) for cmd %d\n", + __func__, status, cmd->cmdidx); + return -ETIMEDOUT; + } + + if (status & SDMMC_STA_CCRCFAIL && cmd->resp_type & MMC_RSP_CRC) { + dev_err(priv->dev, "%s: error SDMMC_STA_CCRCFAIL (0x%x) for cmd %d\n", + __func__, status, cmd->cmdidx); + return -EILSEQ; + } + + if (status & SDMMC_STA_CMDREND && cmd->resp_type & MMC_RSP_PRESENT) { + cmd->response[0] = readl(priv->base + SDMMC_RESP1); + if (cmd->resp_type & MMC_RSP_136) { + cmd->response[1] = readl(priv->base + SDMMC_RESP2); + cmd->response[2] = readl(priv->base + SDMMC_RESP3); + cmd->response[3] = readl(priv->base + SDMMC_RESP4); + } + + /* Wait for BUSYD0END flag if busy status is detected */ + if (cmd->resp_type & MMC_RSP_BUSY && + status & SDMMC_STA_BUSYD0) { + mask = SDMMC_STA_DTIMEOUT | SDMMC_STA_BUSYD0END; + + /* Polling status register */ + ret = readl_poll_timeout(priv->base + SDMMC_STA, + status, status & mask, + SDMMC_BUSYD0END_TIMEOUT_US); + + if (ret < 0) { + dev_err(priv->dev, "%s: timeout reading SDMMC_STA\n", + __func__); + return ret; + } + + if (status & SDMMC_STA_DTIMEOUT) { + dev_err(priv->dev, "%s: error SDMMC_STA_DTIMEOUT (0x%x)\n", + __func__, status); + return -ETIMEDOUT; + } + } + } + + return 0; +} + +static int stm32_sdmmc2_end_data(struct stm32_sdmmc2_priv *priv, + struct mci_cmd *cmd, + struct mci_data *data) +{ + u32 mask = SDMMC_STA_DCRCFAIL | SDMMC_STA_DTIMEOUT | + SDMMC_STA_IDMATE | SDMMC_STA_DATAEND; + unsigned int num_bytes = data->blocks * data->blocksize; + u32 status; + int ret; + + if (data->flags & MMC_DATA_READ) + mask |= SDMMC_STA_RXOVERR; + else + mask |= SDMMC_STA_TXUNDERR; + + ret = readl_poll_timeout(priv->base + SDMMC_STA, status, status & mask, + SDMMC_BUSYD0END_TIMEOUT_US); + if (ret < 0) { + dev_err(priv->dev, "Time out on waiting for SDMMC_STA. cmd %d\n", + cmd->cmdidx); + return ret; + } + + if (data->flags & MMC_DATA_WRITE) + dma_sync_single_for_cpu((unsigned long)data->src, + num_bytes, DMA_TO_DEVICE); + else + dma_sync_single_for_cpu((unsigned long)data->dest, + num_bytes, DMA_FROM_DEVICE); + + if (status & SDMMC_STA_DCRCFAIL) { + dev_err(priv->dev, "error SDMMC_STA_DCRCFAIL (0x%x) for cmd %d\n", + status, cmd->cmdidx); + return -EILSEQ; + } + + if (status & SDMMC_STA_DTIMEOUT) { + dev_err(priv->dev, "error SDMMC_STA_DTIMEOUT (0x%x) for cmd %d\n", + status, cmd->cmdidx); + return -ETIMEDOUT; + } + + if (status & SDMMC_STA_TXUNDERR) { + dev_err(priv->dev, "error SDMMC_STA_TXUNDERR (0x%x) for cmd %d\n", + status, cmd->cmdidx); + return -EIO; + } + + if (status & SDMMC_STA_RXOVERR) { + dev_err(priv->dev, "error SDMMC_STA_RXOVERR (0x%x) for cmd %d\n", + status, cmd->cmdidx); + return -EIO; + } + + if (status & SDMMC_STA_IDMATE) { + dev_err(priv->dev, "%s: error SDMMC_STA_IDMATE (0x%x) for cmd %d\n", + __func__, status, cmd->cmdidx); + return -EIO; + } + + return 0; +} + +static int stm32_sdmmc2_send_cmd(struct mci_host *mci, struct mci_cmd *cmd, + struct mci_data *data) +{ + struct stm32_sdmmc2_priv *priv = to_mci_host(mci); + u32 cmdat = data ? SDMMC_CMD_CMDTRANS : 0; + u32 data_length; + int ret, retry = 3; + +retry_cmd: + data_length = 0; + + if (data) { + data_length = data->blocks * data->blocksize; + stm32_sdmmc2_start_data(priv, data, data_length); + } + + stm32_sdmmc2_start_cmd(priv, cmd, cmdat, data_length); + + dev_dbg(priv->dev, "%s: send cmd %d data: 0x%x @ 0x%x\n", __func__, + cmd->cmdidx, data ? data_length : 0, (unsigned int)data); + + ret = stm32_sdmmc2_end_cmd(priv, cmd); + + if (data && !ret) + ret = stm32_sdmmc2_end_data(priv, cmd, data); + + /* Clear flags */ + writel(SDMMC_ICR_STATIC_FLAGS, priv->base + SDMMC_ICR); + if (data) + writel(0x0, priv->base + SDMMC_IDMACTRL); + + /* + * To stop Data Path State Machine, a stop_transmission command + * shall be send on cmd or data errors. + */ + if (ret && cmd->cmdidx != MMC_CMD_STOP_TRANSMISSION) { + struct mci_cmd stop_cmd; + + stop_cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION; + stop_cmd.cmdarg = 0; + stop_cmd.resp_type = MMC_RSP_R1b; + + dev_dbg(priv->dev, "%s: send STOP command to abort dpsm treatments\n", + __func__); + + data_length = 0; + + stm32_sdmmc2_start_cmd(priv, &stop_cmd, + SDMMC_CMD_CMDSTOP, data_length); + ret = stm32_sdmmc2_end_cmd(priv, &stop_cmd); + + writel(SDMMC_ICR_STATIC_FLAGS, priv->base + SDMMC_ICR); + } + + if (ret && retry) { + dev_warn(priv->dev, "%s: cmd %d failed, retrying ...\n", + __func__, cmd->cmdidx); + + stm32_sdmmc2_pwrcycle(priv); + stm32_sdmmc2_pwron(priv); + retry--; + + goto retry_cmd; + } + + dev_dbg(priv->dev, "%s: end for CMD %d, ret = %d\n", __func__, + cmd->cmdidx, ret); + + return ret; +} + +static void stm32_sdmmc2_set_ios(struct mci_host *mci, struct mci_ios *ios) +{ + struct stm32_sdmmc2_priv *priv = to_mci_host(mci); + u32 desired = mci->clock; + u32 sys_clock = clk_get_rate(priv->clk); + u32 clk = 0; + + dev_dbg(priv->dev, "%s: bus_with = %d, clock = %d\n", __func__, + mci->bus_width, mci->clock); + + if (mci->clock) + stm32_sdmmc2_pwron(priv); + else + stm32_sdmmc2_pwrcycle(priv); + + /* + * clk_div = 0 => command and data generated on SDMMCCLK falling edge + * clk_div > 0 and NEGEDGE = 0 => command and data generated on + * SDMMCCLK rising edge + * clk_div > 0 and NEGEDGE = 1 => command and data generated on + * SDMMCCLK falling edge + */ + if (desired && (sys_clock > desired || + IS_RISING_EDGE(priv->clk_reg_msk))) { + clk = DIV_ROUND_UP(sys_clock, 2 * desired); + if (clk > SDMMC_CLKCR_CLKDIV_MAX) + clk = SDMMC_CLKCR_CLKDIV_MAX; + } + + if (mci->bus_width == 4) + clk |= SDMMC_CLKCR_WIDBUS_4; + if (mci->bus_width == 8) + clk |= SDMMC_CLKCR_WIDBUS_8; + + writel(clk | priv->clk_reg_msk | SDMMC_CLKCR_HWFC_EN, + priv->base + SDMMC_CLKCR); +} + +static int stm32_sdmmc2_probe(struct amba_device *adev, + const struct amba_id *id) +{ + struct device_d *dev = &adev->dev; + struct device_node *np = dev->device_node; + struct stm32_sdmmc2_priv *priv; + struct mci_host *mci; + int ret; + + priv = xzalloc(sizeof(*priv)); + + priv->base = amba_get_mem_region(adev); + priv->dev = dev; + + mci = &priv->mci; + mci->send_cmd = stm32_sdmmc2_send_cmd, + mci->set_ios = stm32_sdmmc2_set_ios, + mci->init = stm32_sdmmc2_reset; + mci->hw_dev = dev; + + priv->clk = clk_get(dev, NULL); + if (IS_ERR(priv->clk)) { + ret = PTR_ERR(priv->clk); + goto priv_free; + } + + ret = clk_enable(priv->clk); + if (ret) + goto priv_free; + + if (of_get_property(np, "st,neg-edge", NULL)) + priv->clk_reg_msk |= SDMMC_CLKCR_NEGEDGE; + if (of_get_property(np, "st,sig-dir", NULL)) + priv->pwr_reg_msk |= SDMMC_POWER_DIRPOL; + if (of_get_property(np, "st,use-ckin", NULL)) + priv->clk_reg_msk |= SDMMC_CLKCR_SELCLKRX_CKIN; + + priv->reset_ctl = reset_control_get(dev, NULL); + if (IS_ERR(priv->reset_ctl)) + priv->reset_ctl = NULL; + + mci->f_min = 400000; + /* f_max is taken from kernel v5.3 variant_stm32_sdmmc */ + mci->f_max = 208000000; + mci->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; + + mci_of_parse(&priv->mci); + + if (mci->host_caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { + dev_notice(dev, "Fixing bus-width to 1 due to driver limitation\n"); + mci->host_caps &= ~(MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA); + } + + return mci_register(&priv->mci); + +priv_free: + free(priv); + + return ret; +} + +static struct amba_id stm32_sdmmc2_ids[] = { + /* ST Micro STM32MP157C */ + { + .id = 0x10153180, + .mask = 0xf0ffffff, + }, + { 0, 0 }, +}; + +static struct amba_driver stm32_sdmmc2_driver = { + .drv = { + .name = DRIVER_NAME, + }, + .probe = stm32_sdmmc2_probe, + .id_table = stm32_sdmmc2_ids, +}; + +static int stm32_sdmmc2_init(void) +{ + amba_driver_register(&stm32_sdmmc2_driver); + return 0; +} +device_initcall(stm32_sdmmc2_init); diff --git a/drivers/mfd/stpmic1.c b/drivers/mfd/stpmic1.c index 88c7921990..eae6fe3a4e 100644 --- a/drivers/mfd/stpmic1.c +++ b/drivers/mfd/stpmic1.c @@ -69,7 +69,6 @@ static int __init stpmic1_probe(struct device_d *dev) stpmic1->client = to_i2c_client(dev); regmap = regmap_init(dev, ®map_stpmic1_i2c_bus, stpmic1, &stpmic1_regmap_i2c_config); - dev->priv = regmap; ret = regmap_register_cdev(regmap, NULL); if (ret) diff --git a/drivers/mfd/superio.c b/drivers/mfd/superio.c index 0f08d56cb3..12d74b40f6 100644 --- a/drivers/mfd/superio.c +++ b/drivers/mfd/superio.c @@ -88,7 +88,7 @@ void superio_chip_add(struct superio_chip *siochip) &superio_regmap_config); if (IS_ERR(regmap)) pr_warn("creating %s regmap failed: %s\n", - chipname, strerror(-PTR_ERR(regmap))); + chipname, strerrorp(regmap)); ret = regmap_register_cdev(regmap, chipname); if (ret) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 57f0b57d64..62e522a302 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -61,7 +61,7 @@ config DRIVER_NET_DAVINCI_EMAC select PHYLIB config DRIVER_NET_DESIGNWARE - bool "Designware Universal MAC ethernet platform support" + bool "Designware Universal MAC1000 ethernet platform support" depends on HAS_DMA select PHYLIB help @@ -87,6 +87,31 @@ config DRIVER_NET_DESIGNWARE_SOCFPGA endif +config DRIVER_NET_DESIGNWARE_EQOS + bool "Designware Designware Ethernet QoS support" + depends on HAS_DMA + select PHYLIB + select OFTREE + help + This option enables support for the Synopsys + Designware Ethernet Quality-of-Service (GMAC4). + +if DRIVER_NET_DESIGNWARE_EQOS + +config DRIVER_NET_DESIGNWARE_STM32 + bool "Designware EQOS STM32 driver" + select MFD_SYSCON + help + This option enables support for the ethernet MAC on the STM32MP platforms. + +config DRIVER_NET_DESIGNWARE_TEGRA186 + bool "Designware Universal MAC ethernet driver for Tegra 186 platforms" + select RESET_CONTROLLER + help + This option enables support for the ethernet MAC on the Tegra186 & 194. + +endif + config DRIVER_NET_DM9K bool "Davicom dm9k[E|A|B] ethernet driver" depends on HAS_DM9000 diff --git a/drivers/net/Makefile b/drivers/net/Makefile index f6a8213613..656d45a868 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -11,6 +11,9 @@ obj-$(CONFIG_DRIVER_NET_DAVINCI_EMAC) += davinci_emac.o obj-$(CONFIG_DRIVER_NET_DESIGNWARE) += designware.o obj-$(CONFIG_DRIVER_NET_DESIGNWARE_GENERIC) += designware_generic.o obj-$(CONFIG_DRIVER_NET_DESIGNWARE_SOCFPGA) += designware_socfpga.o +obj-$(CONFIG_DRIVER_NET_DESIGNWARE_EQOS) += designware_eqos.o +obj-$(CONFIG_DRIVER_NET_DESIGNWARE_STM32) += designware_stm32.o +obj-$(CONFIG_DRIVER_NET_DESIGNWARE_TEGRA186) += designware_tegra186.o obj-$(CONFIG_DRIVER_NET_DM9K) += dm9k.o obj-$(CONFIG_DRIVER_NET_E1000) += e1000/regio.o e1000/main.o e1000/eeprom.o obj-$(CONFIG_DRIVER_NET_ENC28J60) += enc28j60.o diff --git a/drivers/net/designware.h b/drivers/net/designware.h index 305f674bf0..0a6a6bf1a4 100644 --- a/drivers/net/designware.h +++ b/drivers/net/designware.h @@ -35,6 +35,7 @@ struct dw_eth_dev { struct dw_eth_drvdata { bool enh_desc; + void *priv; }; struct dw_eth_dev *dwc_drv_probe(struct device_d *dev); diff --git a/drivers/net/designware_eqos.c b/drivers/net/designware_eqos.c new file mode 100644 index 0000000000..a49239e057 --- /dev/null +++ b/drivers/net/designware_eqos.c @@ -0,0 +1,876 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * Copyright (c) 2019, Ahmad Fatoum, Pengutronix + * + * Portions based on U-Boot's rtl8169.c and dwc_eth_qos. + */ + +#include <common.h> +#include <init.h> +#include <dma.h> +#include <net.h> +#include <of_net.h> +#include <linux/iopoll.h> +#include <linux/time.h> +#include <linux/sizes.h> + +#include "designware_eqos.h" + +/* Core registers */ + +#define EQOS_MAC_REGS_BASE 0x000 +struct eqos_mac_regs { + u32 config; /* 0x000 */ + u32 ext_config; /* 0x004 */ + u32 unused_004[(0x070 - 0x008) / 4]; /* 0x008 */ + u32 q0_tx_flow_ctrl; /* 0x070 */ + u32 unused_070[(0x090 - 0x074) / 4]; /* 0x074 */ + u32 rx_flow_ctrl; /* 0x090 */ + u32 unused_094; /* 0x094 */ + u32 txq_prty_map0; /* 0x098 */ + u32 unused_09c; /* 0x09c */ + u32 rxq_ctrl0; /* 0x0a0 */ + u32 unused_0a4; /* 0x0a4 */ + u32 rxq_ctrl2; /* 0x0a8 */ + u32 unused_0ac[(0x0dc - 0x0ac) / 4]; /* 0x0ac */ + u32 us_tic_counter; /* 0x0dc */ + u32 unused_0e0[(0x11c - 0x0e0) / 4]; /* 0x0e0 */ + u32 hw_feature0; /* 0x11c */ + u32 hw_feature1; /* 0x120 */ + u32 hw_feature2; /* 0x124 */ + u32 unused_128[(0x200 - 0x128) / 4]; /* 0x128 */ + u32 mdio_address; /* 0x200 */ + u32 mdio_data; /* 0x204 */ + u32 unused_208[(0x300 - 0x208) / 4]; /* 0x208 */ + u32 macaddr0hi; /* 0x300 */ + u32 macaddr0lo; /* 0x304 */ +}; + +#define EQOS_MAC_CONFIGURATION_GPSLCE BIT(23) +#define EQOS_MAC_CONFIGURATION_CST BIT(21) +#define EQOS_MAC_CONFIGURATION_ACS BIT(20) +#define EQOS_MAC_CONFIGURATION_WD BIT(19) +#define EQOS_MAC_CONFIGURATION_JD BIT(17) +#define EQOS_MAC_CONFIGURATION_JE BIT(16) +#define EQOS_MAC_CONFIGURATION_PS BIT(15) +#define EQOS_MAC_CONFIGURATION_FES BIT(14) +#define EQOS_MAC_CONFIGURATION_DM BIT(13) +#define EQOS_MAC_CONFIGURATION_TE BIT(1) +#define EQOS_MAC_CONFIGURATION_RE BIT(0) + +#define EQOS_MAC_Q0_TX_FLOW_CTRL_PT_SHIFT 16 +#define EQOS_MAC_Q0_TX_FLOW_CTRL_PT_MASK 0xffff +#define EQOS_MAC_Q0_TX_FLOW_CTRL_TFE BIT(1) + +#define EQOS_MAC_RX_FLOW_CTRL_RFE BIT(0) + +#define EQOS_MAC_TXQ_PRTY_MAP0_PSTQ0_SHIFT 0 +#define EQOS_MAC_TXQ_PRTY_MAP0_PSTQ0_MASK 0xff + +#define EQOS_MAC_RXQ_CTRL2_PSRQ0_SHIFT 0 +#define EQOS_MAC_RXQ_CTRL2_PSRQ0_MASK 0xff + +#define EQOS_MAC_HW_FEATURE1_TXFIFOSIZE_SHIFT 6 +#define EQOS_MAC_HW_FEATURE1_TXFIFOSIZE_MASK 0x1f +#define EQOS_MAC_HW_FEATURE1_RXFIFOSIZE_SHIFT 0 +#define EQOS_MAC_HW_FEATURE1_RXFIFOSIZE_MASK 0x1f + +#define EQOS_MTL_REGS_BASE 0xd00 +struct eqos_mtl_regs { + u32 txq0_operation_mode; /* 0xd00 */ + u32 unused_d04; /* 0xd04 */ + u32 txq0_debug; /* 0xd08 */ + u32 unused_d0c[(0xd18 - 0xd0c) / 4]; /* 0xd0c */ + u32 txq0_quantum_weight; /* 0xd18 */ + u32 unused_d1c[(0xd30 - 0xd1c) / 4]; /* 0xd1c */ + u32 rxq0_operation_mode; /* 0xd30 */ + u32 unused_d34; /* 0xd34 */ + u32 rxq0_debug; /* 0xd38 */ +}; + +#define EQOS_MTL_TXQ0_OPERATION_MODE_TQS_SHIFT 16 +#define EQOS_MTL_TXQ0_OPERATION_MODE_TQS_MASK 0x1ff +#define EQOS_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT 2 +#define EQOS_MTL_TXQ0_OPERATION_MODE_TXQEN_MASK 3 +#define EQOS_MTL_TXQ0_OPERATION_MODE_TXQEN_ENABLED 2 +#define EQOS_MTL_TXQ0_OPERATION_MODE_TSF BIT(1) +#define EQOS_MTL_TXQ0_OPERATION_MODE_FTQ BIT(0) + +#define EQOS_MTL_TXQ0_DEBUG_TXQSTS BIT(4) +#define EQOS_MTL_TXQ0_DEBUG_TRCSTS_SHIFT 1 +#define EQOS_MTL_TXQ0_DEBUG_TRCSTS_MASK 3 + +#define EQOS_MTL_RXQ0_OPERATION_MODE_RQS_SHIFT 20 +#define EQOS_MTL_RXQ0_OPERATION_MODE_RQS_MASK 0x3ff +#define EQOS_MTL_RXQ0_OPERATION_MODE_RFD_SHIFT 14 +#define EQOS_MTL_RXQ0_OPERATION_MODE_RFD_MASK 0x3f +#define EQOS_MTL_RXQ0_OPERATION_MODE_RFA_SHIFT 8 +#define EQOS_MTL_RXQ0_OPERATION_MODE_RFA_MASK 0x3f +#define EQOS_MTL_RXQ0_OPERATION_MODE_EHFC BIT(7) +#define EQOS_MTL_RXQ0_OPERATION_MODE_RSF BIT(5) + +#define EQOS_MTL_RXQ0_DEBUG_PRXQ_SHIFT 16 +#define EQOS_MTL_RXQ0_DEBUG_PRXQ_MASK 0x7fff +#define EQOS_MTL_RXQ0_DEBUG_RXQSTS_SHIFT 4 +#define EQOS_MTL_RXQ0_DEBUG_RXQSTS_MASK 3 + +#define EQOS_DMA_REGS_BASE 0x1000 +struct eqos_dma_regs { + u32 mode; /* 0x1000 */ + u32 sysbus_mode; /* 0x1004 */ + u32 unused_1008[(0x1100 - 0x1008) / 4]; /* 0x1008 */ + u32 ch0_control; /* 0x1100 */ + u32 ch0_tx_control; /* 0x1104 */ + u32 ch0_rx_control; /* 0x1108 */ + u32 unused_110c; /* 0x110c */ + u32 ch0_txdesc_list_haddress; /* 0x1110 */ + u32 ch0_txdesc_list_address; /* 0x1114 */ + u32 ch0_rxdesc_list_haddress; /* 0x1118 */ + u32 ch0_rxdesc_list_address; /* 0x111c */ + u32 ch0_txdesc_tail_pointer; /* 0x1120 */ + u32 unused_1124; /* 0x1124 */ + u32 ch0_rxdesc_tail_pointer; /* 0x1128 */ + u32 ch0_txdesc_ring_length; /* 0x112c */ + u32 ch0_rxdesc_ring_length; /* 0x1130 */ +}; + +#define EQOS_DMA_MODE_SWR BIT(0) + +#define EQOS_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT 16 +#define EQOS_DMA_SYSBUS_MODE_RD_OSR_LMT_MASK 0xf +#define EQOS_DMA_SYSBUS_MODE_EAME BIT(11) +#define EQOS_DMA_SYSBUS_MODE_BLEN16 BIT(3) +#define EQOS_DMA_SYSBUS_MODE_BLEN8 BIT(2) +#define EQOS_DMA_SYSBUS_MODE_BLEN4 BIT(1) + +#define EQOS_DMA_CH0_CONTROL_PBLX8 BIT(16) + +#define EQOS_DMA_CH0_TX_CONTROL_TXPBL_SHIFT 16 +#define EQOS_DMA_CH0_TX_CONTROL_TXPBL_MASK 0x3f +#define EQOS_DMA_CH0_TX_CONTROL_OSP BIT(4) +#define EQOS_DMA_CH0_TX_CONTROL_ST BIT(0) + +#define EQOS_DMA_CH0_RX_CONTROL_RXPBL_SHIFT 16 +#define EQOS_DMA_CH0_RX_CONTROL_RXPBL_MASK 0x3f +#define EQOS_DMA_CH0_RX_CONTROL_RBSZ_SHIFT 1 +#define EQOS_DMA_CH0_RX_CONTROL_RBSZ_MASK 0x3fff +#define EQOS_DMA_CH0_RX_CONTROL_SR BIT(0) + +/* Descriptors */ + +#define EQOS_DESCRIPTOR_WORDS 4 +#define EQOS_DESCRIPTOR_SIZE (EQOS_DESCRIPTOR_WORDS * 4) +/* We assume ARCH_DMA_MINALIGN >= 16; 16 is the EQOS HW minimum */ +#define EQOS_DESCRIPTOR_ALIGN 64 +#define EQOS_DESCRIPTORS_TX 4 +#define EQOS_DESCRIPTORS_RX 4 +#define EQOS_DESCRIPTORS_NUM (EQOS_DESCRIPTORS_TX + EQOS_DESCRIPTORS_RX) +#define EQOS_DESCRIPTORS_SIZE ALIGN(EQOS_DESCRIPTORS_NUM * \ + EQOS_DESCRIPTOR_SIZE, EQOS_DESCRIPTOR_ALIGN) +#define EQOS_BUFFER_ALIGN EQOS_DESCRIPTOR_ALIGN +#define EQOS_MAX_PACKET_SIZE ALIGN(1568, EQOS_DESCRIPTOR_ALIGN) + +struct eqos_desc { + u32 des0; /* PA of buffer 1 or TSO header */ + u32 des1; /* PA of buffer 2 with descriptor rings */ + u32 des2; /* Length, VLAN, Timestamps, Interrupts */ + u32 des3; /* All other flags */ +}; + +#define EQOS_DESC3_OWN BIT(31) +#define EQOS_DESC3_FD BIT(29) +#define EQOS_DESC3_LD BIT(28) +#define EQOS_DESC3_BUF1V BIT(24) + +#define EQOS_MDIO_ADDR(reg) ((addr << 21) & GENMASK(25, 21)) +#define EQOS_MDIO_REG(reg) ((reg << 16) & GENMASK(20, 16)) +#define EQOS_MDIO_CLK_CSR(clk_csr) ((clk_csr << 8) & GENMASK(11, 8)) + +#define MII_BUSY (1 << 0) + +static int eqos_mdio_wait_idle(struct eqos *eqos) +{ + u32 idle; + return readl_poll_timeout(&eqos->mac_regs->mdio_address, idle, + !(idle & MII_BUSY), 10 * USEC_PER_MSEC); +} + +static int eqos_mdio_read(struct mii_bus *bus, int addr, int reg) +{ + struct eqos *eqos = bus->priv; + u32 miiaddr; + int ret; + + ret = eqos_mdio_wait_idle(eqos); + if (ret) { + eqos_err(eqos, "MDIO not idle at entry\n"); + return ret; + } + + miiaddr = readl(&eqos->mac_regs->mdio_address); + miiaddr &= EQOS_MDIO_ADDR_SKAP | EQOS_MDIO_ADDR_C45E; + miiaddr |= EQOS_MDIO_ADDR_GOC_READ << EQOS_MDIO_ADDR_GOC_SHIFT; + + miiaddr |= EQOS_MDIO_CLK_CSR(eqos->ops->clk_csr); + miiaddr |= EQOS_MDIO_ADDR(addr) | EQOS_MDIO_REG(reg); + miiaddr |= MII_BUSY; + + writel(miiaddr, &eqos->mac_regs->mdio_address); + + udelay(eqos->ops->mdio_wait_us); + + ret = eqos_mdio_wait_idle(eqos); + if (ret) { + eqos_err(eqos, "MDIO read didn't complete\n"); + return ret; + } + + return readl(&eqos->mac_regs->mdio_data) & 0xffff; +} + +static int eqos_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val) +{ + struct eqos *eqos = bus->priv; + u32 miiaddr = 0; + int ret; + + ret = eqos_mdio_wait_idle(eqos); + if (ret) { + eqos_err(eqos, "MDIO not idle at entry\n"); + return ret; + } + + miiaddr = readl(&eqos->mac_regs->mdio_address); + miiaddr &= EQOS_MDIO_ADDR_SKAP | EQOS_MDIO_ADDR_C45E; + miiaddr |= EQOS_MDIO_ADDR_GOC_WRITE << EQOS_MDIO_ADDR_GOC_SHIFT; + + miiaddr |= EQOS_MDIO_CLK_CSR(eqos->ops->clk_csr); + miiaddr |= EQOS_MDIO_ADDR(addr) | EQOS_MDIO_REG(reg); + miiaddr |= MII_BUSY; + + writel(val, &eqos->mac_regs->mdio_data); + writel(addr, &eqos->mac_regs->mdio_address); + + udelay(eqos->ops->mdio_wait_us); + + ret = eqos_mdio_wait_idle(eqos); + if (ret) { + eqos_err(eqos, "MDIO read didn't complete\n"); + return ret; + } + + /* Needed as a fix for ST-Phy */ + eqos_mdio_read(bus, addr, reg); + return 0; +} + + +static inline void eqos_set_full_duplex(struct eqos *eqos) +{ + setbits_le32(&eqos->mac_regs->config, EQOS_MAC_CONFIGURATION_DM); +} + +static inline void eqos_set_half_duplex(struct eqos *eqos) +{ + clrbits_le32(&eqos->mac_regs->config, EQOS_MAC_CONFIGURATION_DM); + + /* WAR: Flush TX queue when switching to half-duplex */ + setbits_le32(&eqos->mtl_regs->txq0_operation_mode, + EQOS_MTL_TXQ0_OPERATION_MODE_FTQ); +} + +static inline void eqos_set_gmii_speed(struct eqos *eqos) +{ + clrbits_le32(&eqos->mac_regs->config, + EQOS_MAC_CONFIGURATION_PS | EQOS_MAC_CONFIGURATION_FES); +} + +static inline void eqos_set_mii_speed_100(struct eqos *eqos) +{ + setbits_le32(&eqos->mac_regs->config, + EQOS_MAC_CONFIGURATION_PS | EQOS_MAC_CONFIGURATION_FES); +} + +static inline void eqos_set_mii_speed_10(struct eqos *eqos) +{ + clrsetbits_le32(&eqos->mac_regs->config, + EQOS_MAC_CONFIGURATION_FES, EQOS_MAC_CONFIGURATION_PS); +} + +void eqos_adjust_link(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + unsigned speed = edev->phydev->speed; + + if (edev->phydev->duplex) + eqos_set_full_duplex(eqos); + else + eqos_set_half_duplex(eqos); + + switch (speed) { + case SPEED_1000: + eqos_set_gmii_speed(eqos); + break; + case SPEED_100: + eqos_set_mii_speed_100(eqos); + break; + case SPEED_10: + eqos_set_mii_speed_10(eqos); + break; + default: + eqos_warn(eqos, "invalid speed %d\n", speed); + return; + } +} + +int eqos_get_ethaddr(struct eth_device *edev, unsigned char *mac) +{ + return -EOPNOTSUPP; +} + +int eqos_set_ethaddr(struct eth_device *edev, const unsigned char *mac) +{ + struct eqos *eqos = edev->priv; + __le32 mac_hi, mac_lo; + + memcpy(eqos->macaddr, mac, ETH_ALEN); + + /* Update the MAC address */ + memcpy(&mac_hi, &mac[4], 2); + memcpy(&mac_lo, &mac[0], 4); + + __raw_writel(mac_hi, &eqos->mac_regs->macaddr0hi); + __raw_writel(mac_lo, &eqos->mac_regs->macaddr0lo); + + return 0; +} + +/* Get PHY out of power saving mode. If this is needed elsewhere then + * consider making it part of phy-core and adding a resume method to + * the phy device ops. */ +static int phy_resume(struct phy_device *phydev) +{ + int bmcr; + + bmcr = phy_read(phydev, MII_BMCR); + if (bmcr < 0) + return bmcr; + + if (bmcr & BMCR_PDOWN) { + bmcr &= ~BMCR_PDOWN; + return phy_write(phydev, MII_BMCR, bmcr); + } + + return 0; +} + +int eqos_start(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + u32 val, tx_fifo_sz, rx_fifo_sz, tqs, rqs, pbl; + unsigned long last_rx_desc; + unsigned long rate; + u32 mode_set; + int ret; + int i; + + setbits_le32(&eqos->dma_regs->mode, EQOS_DMA_MODE_SWR); + + ret = readl_poll_timeout(&eqos->dma_regs->mode, mode_set, + !(mode_set & EQOS_DMA_MODE_SWR), + 100 * USEC_PER_MSEC); + if (ret) { + eqos_err(eqos, "EQOS_DMA_MODE_SWR stuck: 0x%08x\n", mode_set); + return ret; + } + + /* Reset above clears MAC address */ + eqos_set_ethaddr(edev, eqos->macaddr); + + /* Required for accurate time keeping with EEE counters */ + rate = eqos->ops->get_csr_clk_rate(eqos); + + val = (rate / USEC_PER_SEC) - 1; /* -1 because the data sheet says so */ + writel(val, &eqos->mac_regs->us_tic_counter); + + ret = phy_device_connect(edev, &eqos->miibus, eqos->phy_addr, + eqos->ops->adjust_link, 0, eqos->interface); + if (ret) + return ret; + + /* Before we reset the mac, we must insure the PHY is not powered down + * as the dw controller needs all clock domains to be running, including + * the PHY clock, to come out of a mac reset. */ + ret = phy_resume(edev->phydev); + if (ret) + return ret; + + /* Configure MTL */ + + /* Enable Store and Forward mode for TX */ + /* Program Tx operating mode */ + setbits_le32(&eqos->mtl_regs->txq0_operation_mode, + EQOS_MTL_TXQ0_OPERATION_MODE_TSF | + (EQOS_MTL_TXQ0_OPERATION_MODE_TXQEN_ENABLED << + EQOS_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT)); + + /* Transmit Queue weight */ + writel(0x10, &eqos->mtl_regs->txq0_quantum_weight); + + /* Enable Store and Forward mode for RX, since no jumbo frame */ + setbits_le32(&eqos->mtl_regs->rxq0_operation_mode, + EQOS_MTL_RXQ0_OPERATION_MODE_RSF); + + /* Transmit/Receive queue fifo size; use all RAM for 1 queue */ + val = readl(&eqos->mac_regs->hw_feature1); + tx_fifo_sz = (val >> EQOS_MAC_HW_FEATURE1_TXFIFOSIZE_SHIFT) & + EQOS_MAC_HW_FEATURE1_TXFIFOSIZE_MASK; + rx_fifo_sz = (val >> EQOS_MAC_HW_FEATURE1_RXFIFOSIZE_SHIFT) & + EQOS_MAC_HW_FEATURE1_RXFIFOSIZE_MASK; + + /* + * r/tx_fifo_sz is encoded as log2(n / 128). Undo that by shifting. + * r/tqs is encoded as (n / 256) - 1. + */ + tqs = (128 << tx_fifo_sz) / 256 - 1; + rqs = (128 << rx_fifo_sz) / 256 - 1; + + clrsetbits_le32(&eqos->mtl_regs->txq0_operation_mode, + EQOS_MTL_TXQ0_OPERATION_MODE_TQS_MASK << + EQOS_MTL_TXQ0_OPERATION_MODE_TQS_SHIFT, + tqs << EQOS_MTL_TXQ0_OPERATION_MODE_TQS_SHIFT); + + clrsetbits_le32(&eqos->mtl_regs->rxq0_operation_mode, + EQOS_MTL_RXQ0_OPERATION_MODE_RQS_MASK << + EQOS_MTL_RXQ0_OPERATION_MODE_RQS_SHIFT, + rqs << EQOS_MTL_RXQ0_OPERATION_MODE_RQS_SHIFT); + + /* Flow control used only if each channel gets 4KB or more FIFO */ + if (rqs >= ((SZ_4K / 256) - 1)) { + u32 rfd, rfa; + + setbits_le32(&eqos->mtl_regs->rxq0_operation_mode, + EQOS_MTL_RXQ0_OPERATION_MODE_EHFC); + + /* + * Set Threshold for Activating Flow Contol space for min 2 + * frames ie, (1500 * 1) = 1500 bytes. + * + * Set Threshold for Deactivating Flow Contol for space of + * min 1 frame (frame size 1500bytes) in receive fifo + */ + if (rqs == ((SZ_4K / 256) - 1)) { + /* + * This violates the above formula because of FIFO size + * limit therefore overflow may occur inspite of this. + */ + rfd = 0x3; /* Full-3K */ + rfa = 0x1; /* Full-1.5K */ + } else if (rqs == ((SZ_8K / 256) - 1)) { + rfd = 0x6; /* Full-4K */ + rfa = 0xa; /* Full-6K */ + } else if (rqs == ((16384 / 256) - 1)) { + rfd = 0x6; /* Full-4K */ + rfa = 0x12; /* Full-10K */ + } else { + rfd = 0x6; /* Full-4K */ + rfa = 0x1E; /* Full-16K */ + } + + clrsetbits_le32(&eqos->mtl_regs->rxq0_operation_mode, + (EQOS_MTL_RXQ0_OPERATION_MODE_RFD_MASK << + EQOS_MTL_RXQ0_OPERATION_MODE_RFD_SHIFT) | + (EQOS_MTL_RXQ0_OPERATION_MODE_RFA_MASK << + EQOS_MTL_RXQ0_OPERATION_MODE_RFA_SHIFT), + (rfd << + EQOS_MTL_RXQ0_OPERATION_MODE_RFD_SHIFT) | + (rfa << + EQOS_MTL_RXQ0_OPERATION_MODE_RFA_SHIFT)); + } + + /* Configure MAC */ + + clrsetbits_le32(&eqos->mac_regs->rxq_ctrl0, + EQOS_MAC_RXQ_CTRL0_RXQ0EN_MASK << + EQOS_MAC_RXQ_CTRL0_RXQ0EN_SHIFT, + eqos->ops->config_mac << + EQOS_MAC_RXQ_CTRL0_RXQ0EN_SHIFT); + + /* Set TX flow control parameters */ + /* Set Pause Time */ + setbits_le32(&eqos->mac_regs->q0_tx_flow_ctrl, + 0xffff << EQOS_MAC_Q0_TX_FLOW_CTRL_PT_SHIFT); + /* Assign priority for TX flow control */ + clrbits_le32(&eqos->mac_regs->txq_prty_map0, + EQOS_MAC_TXQ_PRTY_MAP0_PSTQ0_MASK << + EQOS_MAC_TXQ_PRTY_MAP0_PSTQ0_SHIFT); + /* Assign priority for RX flow control */ + clrbits_le32(&eqos->mac_regs->rxq_ctrl2, + EQOS_MAC_RXQ_CTRL2_PSRQ0_MASK << + EQOS_MAC_RXQ_CTRL2_PSRQ0_SHIFT); + /* Enable flow control */ + setbits_le32(&eqos->mac_regs->q0_tx_flow_ctrl, + EQOS_MAC_Q0_TX_FLOW_CTRL_TFE); + setbits_le32(&eqos->mac_regs->rx_flow_ctrl, + EQOS_MAC_RX_FLOW_CTRL_RFE); + + clrsetbits_le32(&eqos->mac_regs->config, + EQOS_MAC_CONFIGURATION_GPSLCE | + EQOS_MAC_CONFIGURATION_WD | + EQOS_MAC_CONFIGURATION_JD | + EQOS_MAC_CONFIGURATION_JE, + EQOS_MAC_CONFIGURATION_CST | + EQOS_MAC_CONFIGURATION_ACS); + + /* Configure DMA */ + + /* Enable OSP mode */ + setbits_le32(&eqos->dma_regs->ch0_tx_control, + EQOS_DMA_CH0_TX_CONTROL_OSP); + + /* RX buffer size. Must be a multiple of bus width */ + clrsetbits_le32(&eqos->dma_regs->ch0_rx_control, + EQOS_DMA_CH0_RX_CONTROL_RBSZ_MASK << + EQOS_DMA_CH0_RX_CONTROL_RBSZ_SHIFT, + EQOS_MAX_PACKET_SIZE << + EQOS_DMA_CH0_RX_CONTROL_RBSZ_SHIFT); + + setbits_le32(&eqos->dma_regs->ch0_control, + EQOS_DMA_CH0_CONTROL_PBLX8); + + /* + * Burst length must be < 1/2 FIFO size. + * FIFO size in tqs is encoded as (n / 256) - 1. + * Each burst is n * 8 (PBLX8) * 16 (AXI width) == 128 bytes. + * Half of n * 256 is n * 128, so pbl == tqs, modulo the -1. + */ + pbl = tqs + 1; + if (pbl > 32) + pbl = 32; + clrsetbits_le32(&eqos->dma_regs->ch0_tx_control, + EQOS_DMA_CH0_TX_CONTROL_TXPBL_MASK << + EQOS_DMA_CH0_TX_CONTROL_TXPBL_SHIFT, + pbl << EQOS_DMA_CH0_TX_CONTROL_TXPBL_SHIFT); + + clrsetbits_le32(&eqos->dma_regs->ch0_rx_control, + EQOS_DMA_CH0_RX_CONTROL_RXPBL_MASK << + EQOS_DMA_CH0_RX_CONTROL_RXPBL_SHIFT, + 8 << EQOS_DMA_CH0_RX_CONTROL_RXPBL_SHIFT); + + /* DMA performance configuration */ + val = (2 << EQOS_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT) | + EQOS_DMA_SYSBUS_MODE_EAME | EQOS_DMA_SYSBUS_MODE_BLEN16 | + EQOS_DMA_SYSBUS_MODE_BLEN8 | EQOS_DMA_SYSBUS_MODE_BLEN4; + writel(val, &eqos->dma_regs->sysbus_mode); + + /* Set up descriptors */ + + eqos->tx_currdescnum = eqos->rx_currdescnum = 0; + + for (i = 0; i < EQOS_DESCRIPTORS_RX; i++) { + struct eqos_desc *rx_desc = &eqos->rx_descs[i]; + + writel(EQOS_DESC3_BUF1V | EQOS_DESC3_OWN, &rx_desc->des3); + } + + writel(0, &eqos->dma_regs->ch0_txdesc_list_haddress); + writel((ulong)eqos->tx_descs, &eqos->dma_regs->ch0_txdesc_list_address); + writel(EQOS_DESCRIPTORS_TX - 1, + &eqos->dma_regs->ch0_txdesc_ring_length); + + writel(0, &eqos->dma_regs->ch0_rxdesc_list_haddress); + writel((ulong)eqos->rx_descs, &eqos->dma_regs->ch0_rxdesc_list_address); + writel(EQOS_DESCRIPTORS_RX - 1, + &eqos->dma_regs->ch0_rxdesc_ring_length); + + /* Enable everything */ + + setbits_le32(&eqos->mac_regs->config, + EQOS_MAC_CONFIGURATION_TE | EQOS_MAC_CONFIGURATION_RE); + + setbits_le32(&eqos->dma_regs->ch0_tx_control, + EQOS_DMA_CH0_TX_CONTROL_ST); + setbits_le32(&eqos->dma_regs->ch0_rx_control, + EQOS_DMA_CH0_RX_CONTROL_SR); + + /* TX tail pointer not written until we need to TX a packet */ + /* + * Point RX tail pointer at last descriptor. Ideally, we'd point at the + * first descriptor, implying all descriptors were available. However, + * that's not distinguishable from none of the descriptors being + * available. + */ + last_rx_desc = (ulong)&eqos->rx_descs[(EQOS_DESCRIPTORS_RX - 1)]; + writel(last_rx_desc, &eqos->dma_regs->ch0_rxdesc_tail_pointer); + + barrier(); + + eqos->started = true; + + return 0; +} + +void eqos_stop(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + int i; + + if (!eqos->started) + return; + + eqos->started = false; + + barrier(); + + /* Disable TX DMA */ + clrbits_le32(&eqos->dma_regs->ch0_tx_control, + EQOS_DMA_CH0_TX_CONTROL_ST); + + /* Wait for TX all packets to drain out of MTL */ + for (i = 0; i < 1000000; i++) { + u32 val = readl(&eqos->mtl_regs->txq0_debug); + u32 trcsts = (val >> EQOS_MTL_TXQ0_DEBUG_TRCSTS_SHIFT) & + EQOS_MTL_TXQ0_DEBUG_TRCSTS_MASK; + u32 txqsts = val & EQOS_MTL_TXQ0_DEBUG_TXQSTS; + if ((trcsts != 1) && (!txqsts)) + break; + } + + /* Turn off MAC TX and RX */ + clrbits_le32(&eqos->mac_regs->config, + EQOS_MAC_CONFIGURATION_TE | EQOS_MAC_CONFIGURATION_RE); + + /* Wait for all RX packets to drain out of MTL */ + for (i = 0; i < 1000000; i++) { + u32 val = readl(&eqos->mtl_regs->rxq0_debug); + u32 prxq = (val >> EQOS_MTL_RXQ0_DEBUG_PRXQ_SHIFT) & + EQOS_MTL_RXQ0_DEBUG_PRXQ_MASK; + u32 rxqsts = (val >> EQOS_MTL_RXQ0_DEBUG_RXQSTS_SHIFT) & + EQOS_MTL_RXQ0_DEBUG_RXQSTS_MASK; + if ((!prxq) && (!rxqsts)) + break; + } + + /* Turn off RX DMA */ + clrbits_le32(&eqos->dma_regs->ch0_rx_control, + EQOS_DMA_CH0_RX_CONTROL_SR); +} + +static int eqos_send(struct eth_device *edev, void *packet, int length) +{ + struct eqos *eqos = edev->priv; + struct device_d *dev = &eqos->netdev.dev; + struct eqos_desc *tx_desc; + dma_addr_t dma; + u32 des3; + int ret; + + tx_desc = &eqos->tx_descs[eqos->tx_currdescnum]; + eqos->tx_currdescnum++; + eqos->tx_currdescnum %= EQOS_DESCRIPTORS_TX; + + dma = dma_map_single(dev, packet, length, DMA_TO_DEVICE); + if (dma_mapping_error(dev, dma)) + return -EFAULT; + + tx_desc->des0 = (unsigned long)dma; + tx_desc->des1 = 0; + tx_desc->des2 = length; + /* + * Make sure the compiler doesn't reorder the _OWN write below, before + * the writes to the rest of the descriptor. + */ + barrier(); + + writel(EQOS_DESC3_OWN | EQOS_DESC3_FD | EQOS_DESC3_LD | length, &tx_desc->des3); + writel((ulong)(tx_desc + 1), &eqos->dma_regs->ch0_txdesc_tail_pointer); + + ret = readl_poll_timeout(&tx_desc->des3, des3, + !(des3 & EQOS_DESC3_OWN), + 100 * USEC_PER_MSEC); + + dma_unmap_single(dev, dma, length, DMA_TO_DEVICE); + + if (ret == -ETIMEDOUT) + eqos_dbg(eqos, "TX timeout\n"); + + return ret; +} + +static int eqos_recv(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + struct eqos_desc *rx_desc; + void *frame; + int length; + + rx_desc = &eqos->rx_descs[eqos->rx_currdescnum]; + if (readl(&rx_desc->des3) & EQOS_DESC3_OWN) + return 0; + + frame = phys_to_virt(rx_desc->des0); + length = rx_desc->des3 & 0x7fff; + + dma_sync_single_for_cpu((unsigned long)frame, length, DMA_FROM_DEVICE); + net_receive(edev, frame, length); + dma_sync_single_for_device((unsigned long)frame, length, DMA_FROM_DEVICE); + + rx_desc->des0 = (unsigned long)frame; + rx_desc->des1 = 0; + rx_desc->des2 = 0; + /* + * Make sure that if HW sees the _OWN write below, it will see all the + * writes to the rest of the descriptor too. + */ + rx_desc->des3 |= EQOS_DESC3_BUF1V; + rx_desc->des3 |= EQOS_DESC3_OWN; + barrier(); + + writel((ulong)rx_desc, &eqos->dma_regs->ch0_rxdesc_tail_pointer); + + eqos->rx_currdescnum++; + eqos->rx_currdescnum %= EQOS_DESCRIPTORS_RX; + + return 0; +} + +static int eqos_init_resources(struct eqos *eqos) +{ + struct device_d *dev = eqos->netdev.parent; + int ret = -ENOMEM; + void *descs; + void *p; + int i; + + descs = dma_alloc_coherent(EQOS_DESCRIPTORS_SIZE, DMA_ADDRESS_BROKEN); + if (!descs) + goto err; + + eqos->tx_descs = (struct eqos_desc *)descs; + eqos->rx_descs = (eqos->tx_descs + EQOS_DESCRIPTORS_TX); + + p = dma_alloc(EQOS_DESCRIPTORS_RX * EQOS_MAX_PACKET_SIZE); + if (!p) + goto err_free_desc; + + for (i = 0; i < EQOS_DESCRIPTORS_RX; i++) { + struct eqos_desc *rx_desc = &eqos->rx_descs[i]; + dma_addr_t dma; + + dma = dma_map_single(dev, p, EQOS_MAX_PACKET_SIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, dma)) { + ret = -EFAULT; + goto err_free_rx_bufs; + } + + rx_desc->des0 = dma; + + p += EQOS_MAX_PACKET_SIZE; + } + + return 0; + +err_free_rx_bufs: + dma_free(phys_to_virt(eqos->rx_descs[0].des0)); +err_free_desc: + dma_free_coherent(descs, 0, EQOS_DESCRIPTORS_SIZE); +err: + + return ret; +} + +static int eqos_init(struct device_d *dev, struct eqos *eqos) +{ + int ret; + + ret = eqos_init_resources(eqos); + if (ret) { + dev_err(dev, "eqos_init_resources() failed: %s\n", strerror(-ret)); + return ret; + } + + if (eqos->ops->init) + ret = eqos->ops->init(dev, eqos); + + return ret; +} + +static void eqos_probe_dt(struct device_d *dev, struct eqos *eqos) +{ + struct device_node *child; + + eqos->interface = of_get_phy_mode(dev->device_node); + eqos->phy_addr = -1; + + /* Set MDIO bus device node, if present. */ + for_each_child_of_node(dev->device_node, child) { + if (of_device_is_compatible(child, "snps,dwmac-mdio") || + (child->name && !of_node_cmp(child->name, "mdio"))) { + eqos->miibus.dev.device_node = child; + break; + } + } +} + +int eqos_probe(struct device_d *dev, const struct eqos_ops *ops, void *priv) +{ + struct mii_bus *miibus; + struct resource *iores; + struct eqos *eqos; + struct eth_device *edev; + int ret; + + eqos = xzalloc(sizeof(*eqos)); + + iores = dev_request_mem_resource(dev, 0); + if (IS_ERR(iores)) + return PTR_ERR(iores); + eqos->regs = IOMEM(iores->start); + + eqos->mac_regs = eqos->regs + EQOS_MAC_REGS_BASE; + eqos->mtl_regs = eqos->regs + EQOS_MTL_REGS_BASE; + eqos->dma_regs = eqos->regs + EQOS_DMA_REGS_BASE; + eqos->ops = ops; + eqos->priv = priv; + + eqos_probe_dt(dev, eqos); + + edev = &eqos->netdev; + + dev->priv = edev->priv = eqos; + + edev->parent = dev; + edev->open = ops->start; + edev->send = eqos_send; + edev->recv = eqos_recv; + edev->halt = ops->stop; + edev->get_ethaddr = ops->get_ethaddr; + edev->set_ethaddr = ops->set_ethaddr; + + miibus = &eqos->miibus; + miibus->parent = edev->parent; + miibus->read = eqos_mdio_read; + miibus->write = eqos_mdio_write; + miibus->priv = eqos; + + ret = eqos_init(dev, eqos); + if (ret) + return ret; + + ret = mdiobus_register(miibus); + if (ret) + return ret; + + return eth_register(edev); +} + +void eqos_remove(struct device_d *dev) +{ + struct eqos *eqos = dev->priv; + + mdiobus_unregister(&eqos->miibus); + + dma_free(phys_to_virt(eqos->rx_descs[0].des0)); + dma_free_coherent(eqos->tx_descs, 0, EQOS_DESCRIPTORS_SIZE); +} diff --git a/drivers/net/designware_eqos.h b/drivers/net/designware_eqos.h new file mode 100644 index 0000000000..969a524c0a --- /dev/null +++ b/drivers/net/designware_eqos.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2019 Ahmad Fatoum, Pengutronix + */ + +#ifndef __EQOS_H_ +#define __EQOS_H_ + +struct eqos; +struct eth_device; + +struct eqos_ops { + int (*init)(struct device_d *dev, struct eqos *priv); + int (*start)(struct eth_device *edev); + void (*stop)(struct eth_device *edev); + int (*get_ethaddr)(struct eth_device *dev, unsigned char *mac); + int (*set_ethaddr)(struct eth_device *edev, const unsigned char *mac); + void (*adjust_link)(struct eth_device *edev); + unsigned long (*get_csr_clk_rate)(struct eqos *); + + bool enh_desc; + int mdio_wait_us; + +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_SHIFT 0 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_MASK 3 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_NOT_ENABLED 0 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB 2 +#define EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_AV 1 + unsigned clk_csr; + +#define EQOS_MDIO_ADDR_CR_20_35 2 +#define EQOS_MDIO_ADDR_CR_250_300 5 +#define EQOS_MDIO_ADDR_SKAP BIT(4) +#define EQOS_MDIO_ADDR_GOC_SHIFT 2 +#define EQOS_MDIO_ADDR_GOC_READ 3 +#define EQOS_MDIO_ADDR_GOC_WRITE 1 +#define EQOS_MDIO_ADDR_C45E BIT(1) + unsigned config_mac; +}; + +struct eqos_desc; +struct eqos_dma_regs; +struct eqos_mac_regs; +struct eqos_mtl_regs; + +struct eqos { + struct eth_device netdev; + struct mii_bus miibus; + + u8 macaddr[6]; + + u32 tx_currdescnum, rx_currdescnum; + + struct eqos_desc *tx_descs, *rx_descs; + + void __iomem *regs; + struct eqos_mac_regs __iomem *mac_regs; + struct eqos_dma_regs __iomem *dma_regs; + struct eqos_mtl_regs __iomem *mtl_regs; + + int phy_addr; + phy_interface_t interface; + + const struct eqos_ops *ops; + void *priv; + bool started; +}; + +struct device_d; +int eqos_probe(struct device_d *dev, const struct eqos_ops *ops, void *priv); +void eqos_remove(struct device_d *dev); +int eqos_reset(struct eqos *priv); + +int eqos_get_ethaddr(struct eth_device *edev, unsigned char *mac); +int eqos_set_ethaddr(struct eth_device *edev, const unsigned char *mac); +int eqos_start(struct eth_device *edev); +void eqos_stop(struct eth_device *edev); +void eqos_adjust_link(struct eth_device *edev); + +#define eqos_dbg(eqos, ...) dev_dbg(&eqos->netdev.dev, __VA_ARGS__) +#define eqos_warn(eqos, ...) dev_warn(&eqos->netdev.dev, __VA_ARGS__) +#define eqos_err(eqos, ...) dev_err(&eqos->netdev.dev, __VA_ARGS__) + +#endif diff --git a/drivers/net/designware_socfpga.c b/drivers/net/designware_socfpga.c index 77157c2b51..ce3ac38ebe 100644 --- a/drivers/net/designware_socfpga.c +++ b/drivers/net/designware_socfpga.c @@ -14,11 +14,27 @@ #include <net.h> #include <of_net.h> #include <linux/reset.h> -#include <mach/cyclone5-system-manager.h> #include <mfd/syscon.h> #include "designware.h" -#define SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK 0x00000010 +#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII 0x0 +#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII 0x1 +#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RMII 0x2 +#define SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB 0 +#define SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB 2 +#define SYSMGR_EMACGRP_CTRL_PHYSEL_MASK 0x00000003 +#define SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK 0x00000010 +#define SYSMGR_GEN10_EMACGRP_CTRL_PTP_REF_CLK_MASK 0x00000100 + +#define SYSMGR_FPGAGRP_MODULE 0x00000028 +#define SYSMGR_FPGAGRP_MODULE_EMAC 0x00000004 +#define SYSMGR_FPGAINTF_EMAC_REG 0x00000070 +#define SYSMGR_FPGAINTF_EMAC_BIT 0x1 + +struct socfpga_dwc_dev; +struct socfpga_dwmac_ops { + int (*set_phy_mode)(struct socfpga_dwc_dev *dwmac_priv); +}; struct socfpga_dwc_dev { struct dw_eth_dev *priv; @@ -26,27 +42,36 @@ struct socfpga_dwc_dev { u32 reg_shift; void __iomem *sys_mgr_base; bool f2h_ptp_ref_clk; + const struct socfpga_dwmac_ops *ops; }; -static int socfpga_dwc_set_phy_mode(struct socfpga_dwc_dev *dwc_dev) +static int socfpga_set_phy_mode_common(int phymode, u32 *val) { - struct dw_eth_dev *eth_dev = dwc_dev->priv; - int phymode = eth_dev->interface; - u32 reg_offset = dwc_dev->reg_offset; - u32 reg_shift = dwc_dev->reg_shift; - u32 ctrl, val; - switch (phymode) { case PHY_INTERFACE_MODE_RGMII: case PHY_INTERFACE_MODE_RGMII_ID: - val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII; + *val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII; break; case PHY_INTERFACE_MODE_MII: case PHY_INTERFACE_MODE_GMII: case PHY_INTERFACE_MODE_SGMII: - val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII; + *val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII; break; default: + return -EINVAL; + } + return 0; +}; + +static int socfpga_gen5_set_phy_mode(struct socfpga_dwc_dev *dwc_dev) +{ + struct dw_eth_dev *eth_dev = dwc_dev->priv; + int phymode = eth_dev->interface; + u32 reg_offset = dwc_dev->reg_offset; + u32 reg_shift = dwc_dev->reg_shift; + u32 ctrl, val; + + if (socfpga_set_phy_mode_common(phymode, &val)) { dev_err(ð_dev->netdev.dev, "bad phy mode %d\n", phymode); return -EINVAL; } @@ -85,6 +110,54 @@ static int socfpga_dwc_set_phy_mode(struct socfpga_dwc_dev *dwc_dev) return 0; } +static int socfpga_gen10_set_phy_mode(struct socfpga_dwc_dev *dwc_dev) +{ + struct dw_eth_dev *eth_dev = dwc_dev->priv; + int phymode = eth_dev->interface; + u32 reg_offset = dwc_dev->reg_offset; + u32 reg_shift = dwc_dev->reg_shift; + u32 ctrl, val; + + if (socfpga_set_phy_mode_common(phymode, &val)) { + dev_err(ð_dev->netdev.dev, "bad phy mode %d\n", phymode); + return -EINVAL; + } + + /* Assert reset to the enet controller before changing the phy mode */ + if (eth_dev->rst) + reset_control_assert(eth_dev->rst); + + ctrl = readl(dwc_dev->sys_mgr_base + reg_offset); + ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << reg_shift); + ctrl |= val << reg_shift; + + if (dwc_dev->f2h_ptp_ref_clk || + phymode == PHY_INTERFACE_MODE_MII || + phymode == PHY_INTERFACE_MODE_GMII || + phymode == PHY_INTERFACE_MODE_SGMII) { + u32 module; + + ctrl |= SYSMGR_GEN10_EMACGRP_CTRL_PTP_REF_CLK_MASK; + module = readl(dwc_dev->sys_mgr_base + SYSMGR_FPGAINTF_EMAC_REG); + module |= (SYSMGR_FPGAINTF_EMAC_BIT << reg_shift); + + writel(module, dwc_dev->sys_mgr_base + SYSMGR_FPGAINTF_EMAC_REG); + } else { + ctrl &= ~SYSMGR_GEN10_EMACGRP_CTRL_PTP_REF_CLK_MASK; + } + + writel(ctrl, dwc_dev->sys_mgr_base + reg_offset); + + /* Deassert reset for the phy configuration to be sampled by + * the enet controller, and operation to start in requested mode + */ + if (eth_dev->rst) + reset_control_deassert(eth_dev->rst); + + return 0; +} + + static int socfpga_dwc_probe_dt(struct device_d *dev, struct socfpga_dwc_dev *priv) { u32 reg_offset, reg_shift; @@ -120,11 +193,21 @@ static int socfpga_dwc_ether_probe(struct device_d *dev) { struct socfpga_dwc_dev *dwc_dev; struct dw_eth_dev *priv; + struct dw_eth_drvdata *drvdata; int ret; dwc_dev = xzalloc(sizeof(*dwc_dev)); - priv = dwc_drv_probe(dev); + ret = dev_get_drvdata(dev, (const void **)&drvdata); + if (ret) + return ret; + + if (drvdata && drvdata->priv) + dwc_dev->ops = (struct socfpga_dwmac_ops *)drvdata->priv; + else + return -EINVAL; + + priv = dwc_drv_probe(dev); if (IS_ERR(priv)) return PTR_ERR(priv); @@ -145,18 +228,36 @@ static int socfpga_dwc_ether_probe(struct device_d *dev) if (ret) return ret; - return socfpga_dwc_set_phy_mode(dwc_dev); + return dwc_dev->ops->set_phy_mode(dwc_dev); } -static struct dw_eth_drvdata socfpga_stmmac_drvdata = { +static struct socfpga_dwmac_ops socfpga_gen5_ops = { + .set_phy_mode = socfpga_gen5_set_phy_mode, +}; + +static const struct dw_eth_drvdata socfpga_gen5_drvdata = { .enh_desc = 1, + .priv = &socfpga_gen5_ops, +}; + +static struct socfpga_dwmac_ops socfpga_gen10_ops = { + .set_phy_mode = socfpga_gen10_set_phy_mode, +}; +static const struct dw_eth_drvdata socfpga_gen10_drvdata = { + .enh_desc = 1, + .priv = &socfpga_gen10_ops, }; static __maybe_unused struct of_device_id socfpga_dwc_ether_compatible[] = { { .compatible = "altr,socfpga-stmmac", - .data = &socfpga_stmmac_drvdata, - }, { + .data = &socfpga_gen5_drvdata, + }, + { + .compatible = "altr,socfpga-stmmac-a10-s10", + .data = &socfpga_gen10_drvdata, + }, + { /* sentinel */ } }; diff --git a/drivers/net/designware_stm32.c b/drivers/net/designware_stm32.c new file mode 100644 index 0000000000..5b087ad5a3 --- /dev/null +++ b/drivers/net/designware_stm32.c @@ -0,0 +1,245 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * Copyright (c) 2019, Ahmad Fatoum, Pengutronix + * + * Portions based on U-Boot's rtl8169.c and dwc_eth_qos. + */ + +#include <common.h> +#include <init.h> +#include <net.h> +#include <linux/clk.h> +#include <mfd/syscon.h> + +#include "designware_eqos.h" + +#define SYSCFG_PMCR_ETH_CLK_SEL BIT(16) +#define SYSCFG_PMCR_ETH_REF_CLK_SEL BIT(17) + +/* Ethernet PHY interface selection in register SYSCFG Configuration + *------------------------------------------ + * src |BIT(23)| BIT(22)| BIT(21)|BIT(20)| + *------------------------------------------ + * MII | 0 | 0 | 0 | 1 | + *------------------------------------------ + * GMII | 0 | 0 | 0 | 0 | + *------------------------------------------ + * RGMII | 0 | 0 | 1 | n/a | + *------------------------------------------ + * RMII | 1 | 0 | 0 | n/a | + *------------------------------------------ + */ +#define SYSCFG_PMCR_ETH_SEL_MII BIT(20) +#define SYSCFG_PMCR_ETH_SEL_RGMII BIT(21) +#define SYSCFG_PMCR_ETH_SEL_RMII BIT(23) +#define SYSCFG_PMCR_ETH_SEL_GMII 0 +#define SYSCFG_MCU_ETH_SEL_MII 0 +#define SYSCFG_MCU_ETH_SEL_RMII 1 + +/* Descriptors */ + +#define SYSCFG_MCU_ETH_MASK BIT(23) +#define SYSCFG_MP1_ETH_MASK GENMASK(23, 16) +#define SYSCFG_PMCCLRR_OFFSET 0x40 + +struct eqos_stm32 { + struct clk_bulk_data *clks; + int num_clks; + struct regmap *regmap; + u32 mode_reg; + int eth_clk_sel_reg; + int eth_ref_clk_sel_reg; +}; + +static inline struct eqos_stm32 *to_stm32(struct eqos *eqos) +{ + return eqos->priv; +} + +enum { CLK_STMMACETH, CLK_MAX_RX, CLK_MAX_TX, CLK_SYSCFG, }; +static const struct clk_bulk_data stm32_clks[] = { + [CLK_STMMACETH] = { .id = "stmmaceth" }, + [CLK_MAX_RX] = { .id = "mac-clk-rx" }, + [CLK_MAX_TX] = { .id = "mac-clk-tx" }, + [CLK_SYSCFG] = { .id = "syscfg-clk" }, +}; + +static unsigned long eqos_get_csr_clk_rate_stm32(struct eqos *eqos) +{ + return clk_get_rate(to_stm32(eqos)->clks[CLK_STMMACETH].clk); +} + +static int eqos_set_mode_stm32(struct eqos_stm32 *priv, phy_interface_t interface) +{ + u32 val, reg = priv->mode_reg; + int ret; + + switch (interface) { + case PHY_INTERFACE_MODE_MII: + val = SYSCFG_PMCR_ETH_SEL_MII; + break; + case PHY_INTERFACE_MODE_GMII: + val = SYSCFG_PMCR_ETH_SEL_GMII; + if (priv->eth_clk_sel_reg) + val |= SYSCFG_PMCR_ETH_CLK_SEL; + break; + case PHY_INTERFACE_MODE_RMII: + val = SYSCFG_PMCR_ETH_SEL_RMII; + if (priv->eth_ref_clk_sel_reg) + val |= SYSCFG_PMCR_ETH_REF_CLK_SEL; + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + val = SYSCFG_PMCR_ETH_SEL_RGMII; + if (priv->eth_clk_sel_reg) + val |= SYSCFG_PMCR_ETH_CLK_SEL; + break; + default: + return -EINVAL; + } + + /* Need to update PMCCLRR (clear register) */ + ret = regmap_write(priv->regmap, reg + SYSCFG_PMCCLRR_OFFSET, + SYSCFG_MP1_ETH_MASK); + if (ret) + return -EIO; + + /* Update PMCSETR (set register) */ + regmap_update_bits(priv->regmap, reg, GENMASK(23, 16), val); + + return 0; +} + +static int eqos_init_stm32(struct device_d *dev, struct eqos *eqos) +{ + struct device_node *np = dev->device_node; + struct eqos_stm32 *priv = to_stm32(eqos); + struct clk_bulk_data *eth_ck; + int ret; + + /* Gigabit Ethernet 125MHz clock selection. */ + priv->eth_clk_sel_reg = of_property_read_bool(np, "st,eth-clk-sel"); + + /* Ethernet 50Mhz RMII clock selection */ + priv->eth_ref_clk_sel_reg = + of_property_read_bool(np, "st,eth-ref-clk-sel"); + + priv->regmap = syscon_regmap_lookup_by_phandle(dev->device_node, + "st,syscon"); + if (IS_ERR(priv->regmap)) { + dev_err(dev, "Could not get st,syscon node\n"); + return PTR_ERR(priv->regmap); + } + + ret = of_property_read_u32_index(dev->device_node, "st,syscon", + 1, &priv->mode_reg); + if (ret) { + dev_err(dev, "Can't get sysconfig mode offset (%s)\n", + strerror(-ret)); + return -EINVAL; + } + + ret = eqos_set_mode_stm32(priv, eqos->interface); + if (ret) + dev_warn(dev, "Configuring syscfg failed: %s\n", strerror(-ret)); + + priv->num_clks = ARRAY_SIZE(stm32_clks) + 1; + priv->clks = xmalloc(priv->num_clks * sizeof(*priv->clks)); + memcpy(priv->clks, stm32_clks, sizeof stm32_clks); + + ret = clk_bulk_get(dev, ARRAY_SIZE(stm32_clks), priv->clks); + if (ret) { + dev_err(dev, "Failed to get clks: %s\n", strerror(-ret)); + return ret; + } + + eth_ck = &priv->clks[ARRAY_SIZE(stm32_clks)]; + eth_ck->id = "eth-ck"; + eth_ck->clk = clk_get(dev, eth_ck->id); + if (IS_ERR(eth_ck->clk)) { + priv->num_clks--; + dev_dbg(dev, "No phy clock provided. Continuing without.\n"); + } + + return 0; + +} + +static int eqos_start_stm32(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + struct eqos_stm32 *priv = to_stm32(eqos); + int ret; + + ret = clk_bulk_enable(priv->num_clks, priv->clks); + if (ret < 0) { + eqos_err(eqos, "clk_bulk_enable() failed: %s\n", + strerror(-ret)); + return ret; + } + + udelay(10); + + ret = eqos_start(edev); + if (ret) + goto err_stop_clks; + + return 0; + +err_stop_clks: + clk_bulk_disable(priv->num_clks, priv->clks); + + return ret; +} + +static void eqos_stop_stm32(struct eth_device *edev) +{ + struct eqos_stm32 *priv = to_stm32(edev->priv); + + clk_bulk_disable(priv->num_clks, priv->clks); +} + +// todo split! +static struct eqos_ops stm32_ops = { + .init = eqos_init_stm32, + .get_ethaddr = eqos_get_ethaddr, + .set_ethaddr = eqos_set_ethaddr, + .start = eqos_start_stm32, + .stop = eqos_stop_stm32, + .adjust_link = eqos_adjust_link, + .get_csr_clk_rate = eqos_get_csr_clk_rate_stm32, + + .mdio_wait_us = 10 * USEC_PER_MSEC, + .clk_csr = EQOS_MDIO_ADDR_CR_250_300, + .config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_AV, +}; + +static int eqos_probe_stm32(struct device_d *dev) +{ + return eqos_probe(dev, &stm32_ops, xzalloc(sizeof(struct eqos_stm32))); +} + +static void eqos_remove_stm32(struct device_d *dev) +{ + struct eqos_stm32 *priv = to_stm32(dev->priv); + + eqos_remove(dev); + + clk_bulk_put(priv->num_clks, priv->clks); +} + +static const struct of_device_id eqos_stm32_ids[] = { + { .compatible = "st,stm32mp1-dwmac" }, + { /* sentinel */ } +}; + +static struct driver_d eqos_stm32_driver = { + .name = "eqos-stm32", + .probe = eqos_probe_stm32, + .remove = eqos_remove_stm32, + .of_compatible = DRV_OF_COMPAT(eqos_stm32_ids), +}; +device_platform_driver(eqos_stm32_driver); diff --git a/drivers/net/designware_tegra186.c b/drivers/net/designware_tegra186.c new file mode 100644 index 0000000000..58484d4095 --- /dev/null +++ b/drivers/net/designware_tegra186.c @@ -0,0 +1,347 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * Copyright (c) 2019, Ahmad Fatoum, Pengutronix + * + * Portions based on U-Boot's rtl8169.c and dwc_eth_qos. + */ + +#include <common.h> +#include <init.h> +#include <gpio.h> +#include <of_gpio.h> +#include <linux/clk.h> +#include <net.h> +#include <linux/reset.h> + +#include "designware_eqos.h" + +/* These registers are Tegra186-specific */ +#define EQOS_TEGRA186_REGS_BASE 0x8800 +struct eqos_tegra186_regs { + uint32_t sdmemcomppadctrl; /* 0x8800 */ + uint32_t auto_cal_config; /* 0x8804 */ + uint32_t unused_8808; /* 0x8808 */ + uint32_t auto_cal_status; /* 0x880c */ +}; + +#define EQOS_SDMEMCOMPPADCTRL_PAD_E_INPUT_OR_E_PWRD BIT(31) + +#define EQOS_AUTO_CAL_CONFIG_START BIT(31) +#define EQOS_AUTO_CAL_CONFIG_ENABLE BIT(29) + +#define EQOS_AUTO_CAL_STATUS_ACTIVE BIT(31) + +struct eqos_tegra186 { + struct clk_bulk_data *clks; + int num_clks; + struct reset_control *rst; + struct eqos_tegra186_regs __iomem *tegra186_regs; + int phy_reset_gpio; +}; + +static inline struct eqos_tegra186 *to_tegra186(struct eqos *eqos) +{ + return eqos->priv; +} + +enum { CLK_SLAVE_BUS, CLK_MASTER_BUS, CLK_RX, CLK_PTP_REF, CLK_TX }; +static const struct clk_bulk_data tegra186_clks[] = { + [CLK_SLAVE_BUS] = { .id = "slave_bus" }, + [CLK_MASTER_BUS] = { .id = "master_bus" }, + [CLK_RX] = { .id = "rx" }, + [CLK_PTP_REF] = { .id = "ptp_ref" }, + [CLK_TX] = { .id = "tx" }, +}; + +static int eqos_clks_set_rate_tegra186(struct eqos_tegra186 *priv) +{ + return clk_set_rate(priv->clks[CLK_PTP_REF].clk, 125 * 1000 * 1000); +} + +static int eqos_reset_tegra186(struct eqos_tegra186 *priv, bool reset) +{ + int ret; + + if (reset) { + reset_control_assert(priv->rst); + gpio_set_value(priv->phy_reset_gpio, 1); + return 0; + } + + gpio_set_value(priv->phy_reset_gpio, 1); + + udelay(2); + + gpio_set_value(priv->phy_reset_gpio, 0); + + ret = reset_control_assert(priv->rst); + if (ret < 0) + return ret; + + udelay(2); + + return reset_control_deassert(priv->rst); +} + +static int eqos_calibrate_pads_tegra186(struct eqos *eqos) +{ + struct eqos_tegra186 *priv = to_tegra186(eqos); + u32 active; + int ret; + + setbits_le32(&priv->tegra186_regs->sdmemcomppadctrl, + EQOS_SDMEMCOMPPADCTRL_PAD_E_INPUT_OR_E_PWRD); + + udelay(1); + + setbits_le32(&priv->tegra186_regs->auto_cal_config, + EQOS_AUTO_CAL_CONFIG_START | EQOS_AUTO_CAL_CONFIG_ENABLE); + + ret = readl_poll_timeout(&priv->tegra186_regs->auto_cal_status, active, + active & EQOS_AUTO_CAL_STATUS_ACTIVE, + 10000); + if (ret) { + eqos_err(eqos, "calibrate didn't start\n"); + goto failed; + } + + ret = readl_poll_timeout(&priv->tegra186_regs->auto_cal_status, active, + !(active & EQOS_AUTO_CAL_STATUS_ACTIVE), + 10000); + if (ret) { + eqos_err(eqos, "calibrate didn't finish\n"); + goto failed; + } + +failed: + clrbits_le32(&priv->tegra186_regs->sdmemcomppadctrl, + EQOS_SDMEMCOMPPADCTRL_PAD_E_INPUT_OR_E_PWRD); + + return ret; +} + +static int eqos_calibrate_link_tegra186(struct eqos *eqos, unsigned speed) +{ + struct eqos_tegra186 *priv = to_tegra186(eqos); + int ret = 0; + unsigned long rate; + bool calibrate; + + switch (speed) { + case SPEED_1000: + rate = 125 * 1000 * 1000; + calibrate = true; + break; + case SPEED_100: + rate = 25 * 1000 * 1000; + calibrate = true; + break; + case SPEED_10: + rate = 2.5 * 1000 * 1000; + calibrate = false; + break; + default: + return -EINVAL; + } + + if (calibrate) { + ret = eqos_calibrate_pads_tegra186(eqos); + if (ret) + return ret; + } else { + clrbits_le32(&priv->tegra186_regs->auto_cal_config, + EQOS_AUTO_CAL_CONFIG_ENABLE); + } + + ret = clk_set_rate(priv->clks[CLK_TX].clk, rate); + if (ret < 0) { + eqos_err(eqos, "clk_set_rate(tx_clk, %lu) failed: %d\n", rate, ret); + return ret; + } + + return 0; +} + +static unsigned long eqos_get_csr_clk_rate_tegra186(struct eqos *eqos) +{ + return clk_get_rate(to_tegra186(eqos)->clks[CLK_SLAVE_BUS].clk); +} + +static int eqos_set_ethaddr_tegra186(struct eth_device *edev, const unsigned char *mac) +{ + struct eqos *eqos = edev->priv; + + /* + * This function may be called before start() or after stop(). At that + * time, on at least some configurations of the EQoS HW, all clocks to + * the EQoS HW block will be stopped, and a reset signal applied. If + * any register access is attempted in this state, bus timeouts or CPU + * hangs may occur. This check prevents that. + * + * A simple solution to this problem would be to not implement + * write_hwaddr(), since start() always writes the MAC address into HW + * anyway. However, it is desirable to implement write_hwaddr() to + * support the case of SW that runs subsequent to U-Boot which expects + * the MAC address to already be programmed into the EQoS registers, + * which must happen irrespective of whether the U-Boot user (or + * scripts) actually made use of the EQoS device, and hence + * irrespective of whether start() was ever called. + * + * Note that this requirement by subsequent SW is not valid for + * Tegra186, and is likely not valid for any non-PCI instantiation of + * the EQoS HW block. This function is implemented solely as + * future-proofing with the expectation the driver will eventually be + * ported to some system where the expectation above is true. + */ + + if (!eqos->started) { + memcpy(eqos->macaddr, mac, 6); + return 0; + } + + return eqos_set_ethaddr(edev, mac); +} + +static int eqos_init_tegra186(struct device_d *dev, struct eqos *eqos) +{ + struct eqos_tegra186 *priv = to_tegra186(eqos); + int phy_reset; + int ret; + + priv->tegra186_regs = IOMEM(eqos->regs + EQOS_TEGRA186_REGS_BASE); + + priv->rst = reset_control_get(dev, "eqos"); + if (IS_ERR(priv->rst)) { + ret = PTR_ERR(priv->rst); + dev_err(dev, "reset_get_by_name(rst) failed: %s\n", strerror(-ret)); + return ret; + } + + phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0); + if (gpio_is_valid(phy_reset)) { + ret = gpio_request(phy_reset, "phy-reset"); + if (ret) + goto release_res; + + priv->phy_reset_gpio = phy_reset; + } + + priv->clks = xmemdup(tegra186_clks, sizeof(tegra186_clks)); + priv->num_clks = ARRAY_SIZE(tegra186_clks); + + return 0; + +release_res: + reset_control_put(priv->rst); + return ret; +} + +static int eqos_start_tegra186(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + struct eqos_tegra186 *priv = to_tegra186(eqos); + int ret; + + ret = clk_bulk_enable(priv->num_clks, priv->clks); + if (ret < 0) { + eqos_err(eqos, "clk_bulk_enable() failed: %s\n", strerror(-ret)); + return ret; + } + + ret = eqos_clks_set_rate_tegra186(priv); + if (ret < 0) { + eqos_err(eqos, "clks_set_rate() failed: %s\n", strerror(-ret)); + goto err; + } + + eqos_reset_tegra186(priv, false); + if (ret < 0) { + eqos_err(eqos, "reset(0) failed: %s\n", strerror(-ret)); + goto err_stop_clks; + } + + udelay(10); + + ret = eqos_start(edev); + if (ret) + goto err_stop_resets; + + return 0; + +err_stop_resets: + eqos_reset_tegra186(priv, true); +err_stop_clks: + clk_bulk_disable(priv->num_clks, priv->clks); +err: + return ret; +} + + +static void eqos_stop_tegra186(struct eth_device *edev) +{ + struct eqos_tegra186 *priv = to_tegra186(edev->priv); + + eqos_reset_tegra186(priv, true); + + clk_bulk_disable(priv->num_clks, priv->clks); +} + +static void eqos_adjust_link_tegra186(struct eth_device *edev) +{ + struct eqos *eqos = edev->priv; + unsigned speed = edev->phydev->speed; + int ret; + + eqos_adjust_link(edev); + + ret = eqos_calibrate_link_tegra186(eqos, speed); + if (ret < 0) { + eqos_err(eqos, "eqos_calibrate_link_tegra186() failed: %d\n", ret); + return; + } +} + +static const struct eqos_ops tegra186_ops = { + .init = eqos_init_tegra186, + .get_ethaddr = eqos_get_ethaddr, + .set_ethaddr = eqos_set_ethaddr_tegra186, + .start = eqos_start_tegra186, + .stop = eqos_stop_tegra186, + .adjust_link = eqos_adjust_link_tegra186, + .get_csr_clk_rate = eqos_get_csr_clk_rate_tegra186, + + .mdio_wait_us = 10, + .clk_csr = EQOS_MDIO_ADDR_CR_20_35, + .config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB, +}; + +static int eqos_probe_tegra186(struct device_d *dev) +{ + return eqos_probe(dev, &tegra186_ops, xzalloc(sizeof(struct eqos_tegra186))); +} + +static void eqos_remove_tegra186(struct device_d *dev) +{ + struct eqos_tegra186 *priv = to_tegra186(dev->priv); + + eqos_remove(dev); + + clk_bulk_put(priv->num_clks, priv->clks); + + gpio_free(priv->phy_reset_gpio); + reset_control_put(priv->rst); +} + +static const struct of_device_id eqos_tegra186_ids[] = { + { .compatible = "nvidia,tegra186-eqos" }, + { /* sentinel */ } +}; + +static struct driver_d eqos_tegra186_driver = { + .name = "eqos-tegra186", + .probe = eqos_probe_tegra186, + .remove = eqos_remove_tegra186, + .of_compatible = DRV_OF_COMPAT(eqos_tegra186_ids), +}; +device_platform_driver(eqos_tegra186_driver); diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig index c28a6d4e43..968342b281 100644 --- a/drivers/nvmem/Kconfig +++ b/drivers/nvmem/Kconfig @@ -51,4 +51,12 @@ config EEPROM_93XX46 supports both read and write commands and also the command to erase the whole EEPROM. +config STM32_BSEC + tristate "STM32 Boot and security and OTP control" + depends on ARCH_STM32MP + depends on OFDEVICE + help + This adds support for the STM32 OTP controller. Reads and writes + to will go to the shadow RAM, not the OTP fuses themselvers. + endif diff --git a/drivers/nvmem/Makefile b/drivers/nvmem/Makefile index abf9dae429..7101c5aca4 100644 --- a/drivers/nvmem/Makefile +++ b/drivers/nvmem/Makefile @@ -16,4 +16,7 @@ obj-$(CONFIG_RAVE_SP_EEPROM) += nvmem-rave-sp-eeprom.o nvmem-rave-sp-eeprom-y := rave-sp-eeprom.o obj-$(CONFIG_EEPROM_93XX46) += nvmem_eeprom_93xx46.o -nvmem_eeprom_93xx46-y := eeprom_93xx46.o
\ No newline at end of file +nvmem_eeprom_93xx46-y := eeprom_93xx46.o + +obj-$(CONFIG_STM32_BSEC) += nvmem_bsec.o +nvmem_bsec-y := bsec.o diff --git a/drivers/nvmem/bsec.c b/drivers/nvmem/bsec.c new file mode 100644 index 0000000000..8235d468d1 --- /dev/null +++ b/drivers/nvmem/bsec.c @@ -0,0 +1,221 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018, STMicroelectronics - All Rights Reserved + * Copyright (c) 2019 Ahmad Fatoum, Pengutronix + */ + +#include <common.h> +#include <driver.h> +#include <malloc.h> +#include <xfuncs.h> +#include <errno.h> +#include <init.h> +#include <net.h> +#include <io.h> +#include <of.h> +#include <regmap.h> +#include <mach/bsec.h> +#include <machine_id.h> +#include <linux/nvmem-provider.h> + +#define BSEC_OTP_SERIAL 13 + +struct bsec_priv { + struct regmap *map; + u32 svc_id; + struct device_d dev; + struct regmap_config map_config; + struct nvmem_config config; +}; + +struct stm32_bsec_data { + unsigned long svc_id; + int num_regs; +}; + +static int bsec_smc(struct bsec_priv *priv, u8 op, enum bsec_field field, + unsigned data2, unsigned *val) +{ + enum bsec_smc ret = stm32mp_smc(priv->svc_id, op, field / 4, data2, val); + switch(ret) + { + case BSEC_SMC_OK: + return 0; + case BSEC_SMC_ERROR: + case BSEC_SMC_DISTURBED: + case BSEC_SMC_PROG_FAIL: + case BSEC_SMC_LOCK_FAIL: + case BSEC_SMC_WRITE_FAIL: + case BSEC_SMC_SHADOW_FAIL: + return -EIO; + case BSEC_SMC_INVALID_PARAM: + return -EINVAL; + case BSEC_SMC_TIMEOUT: + return -ETIMEDOUT; + } + + return -ENXIO; +} + +static int st32_bsec_read_shadow(void *ctx, unsigned reg, unsigned *val) +{ + return bsec_smc(ctx, BSEC_SMC_READ_SHADOW, reg, 0, val); +} + +static int stm32_bsec_reg_write_shadow(void *ctx, unsigned reg, unsigned val) +{ + return bsec_smc(ctx, BSEC_SMC_WRITE_SHADOW, reg, val, NULL); +} + +static struct regmap_bus stm32_bsec_regmap_bus = { + .reg_write = stm32_bsec_reg_write_shadow, + .reg_read = st32_bsec_read_shadow, +}; + +static int stm32_bsec_write(struct device_d *dev, int offset, + const void *val, int bytes) +{ + struct bsec_priv *priv = dev->parent->priv; + + return regmap_bulk_write(priv->map, offset, val, bytes); +} + +static int stm32_bsec_read(struct device_d *dev, int offset, + void *val, int bytes) +{ + struct bsec_priv *priv = dev->parent->priv; + + return regmap_bulk_read(priv->map, offset, val, bytes); +} + +static const struct nvmem_bus stm32_bsec_nvmem_bus = { + .write = stm32_bsec_write, + .read = stm32_bsec_read, +}; + +static void stm32_bsec_set_unique_machine_id(struct regmap *map) +{ + u32 unique_id[3]; + int ret; + + ret = regmap_bulk_read(map, BSEC_OTP_SERIAL * 4, + unique_id, sizeof(unique_id)); + if (ret) + return; + + machine_id_set_hashable(unique_id, sizeof(unique_id)); +} + +static int stm32_bsec_read_mac(struct regmap *map, int offset, u8 *mac) +{ + u8 res[8]; + int ret; + + ret = regmap_bulk_read(map, offset * 4, res, 8); + if (ret) + return ret; + + memcpy(mac, res, ETH_ALEN); + return 0; +} + +static void stm32_bsec_init_dt(struct bsec_priv *priv) +{ + struct device_node *node = priv->dev.parent->device_node; + struct device_node *rnode; + u32 phandle, offset; + char mac[ETH_ALEN]; + const __be32 *prop; + + int len; + int ret; + + if (!node) + return; + + prop = of_get_property(node, "barebox,provide-mac-address", &len); + if (!prop) + return; + + if (len != 2 * sizeof(__be32)) + return; + + phandle = be32_to_cpup(prop++); + + rnode = of_find_node_by_phandle(phandle); + offset = be32_to_cpup(prop++); + + ret = stm32_bsec_read_mac(priv->map, offset, mac); + if (ret) { + dev_warn(&priv->dev, "error setting MAC address: %s\n", + strerror(-ret)); + return; + } + + of_eth_register_ethaddr(rnode, mac); +} + +static int stm32_bsec_probe(struct device_d *dev) +{ + struct bsec_priv *priv; + int ret = 0; + const struct stm32_bsec_data *data; + struct nvmem_device *nvmem; + + ret = dev_get_drvdata(dev, (const void **)&data); + if (ret) + return ret; + + priv = xzalloc(sizeof(*priv)); + + priv->svc_id = data->svc_id; + + dev_set_name(&priv->dev, "bsec"); + priv->dev.parent = dev; + register_device(&priv->dev); + + priv->map_config.reg_bits = 32; + priv->map_config.val_bits = 32; + priv->map_config.reg_stride = 4; + priv->map_config.max_register = data->num_regs; + + priv->map = regmap_init(dev, &stm32_bsec_regmap_bus, priv, &priv->map_config); + if (IS_ERR(priv->map)) + return PTR_ERR(priv->map); + + priv->config.name = "stm32-bsec"; + priv->config.dev = dev; + priv->config.stride = 4; + priv->config.word_size = 4; + priv->config.size = data->num_regs; + priv->config.bus = &stm32_bsec_nvmem_bus; + dev->priv = priv; + + nvmem = nvmem_register(&priv->config); + if (IS_ERR(nvmem)) + return PTR_ERR(nvmem); + + if (IS_ENABLED(CONFIG_MACHINE_ID)) + stm32_bsec_set_unique_machine_id(priv->map); + + stm32_bsec_init_dt(priv); + + return 0; +} + +static struct stm32_bsec_data stm32mp15_bsec_data = { + .num_regs = 95 * 4, + .svc_id = STM32_SMC_BSEC, +}; + +static __maybe_unused struct of_device_id stm32_bsec_dt_ids[] = { + { .compatible = "st,stm32mp15-bsec", .data = &stm32mp15_bsec_data }, + { /* sentinel */ } +}; + +static struct driver_d stm32_bsec_driver = { + .name = "stm32_bsec", + .probe = stm32_bsec_probe, + .of_compatible = DRV_OF_COMPAT(stm32_bsec_dt_ids), +}; +postcore_platform_driver(stm32_bsec_driver); diff --git a/drivers/of/of_gpio.c b/drivers/of/of_gpio.c index 9a8331ed18..7cbeeaf69e 100644 --- a/drivers/of/of_gpio.c +++ b/drivers/of/of_gpio.c @@ -19,18 +19,20 @@ static void of_gpio_flags_quirks(struct device_node *np, (!(strcmp(propname, "enable-gpio") && strcmp(propname, "enable-gpios")) && of_device_is_compatible(np, "regulator-gpio")))) { + bool active_low = !of_property_read_bool(np, + "enable-active-high"); /* * The regulator GPIO handles are specified such that the * presence or absence of "enable-active-high" solely controls * the polarity of the GPIO line. Any phandle flags must * be actively ignored. */ - if (*flags & OF_GPIO_ACTIVE_LOW) { + if ((*flags & OF_GPIO_ACTIVE_LOW) && !active_low) { pr_warn("%s GPIO handle specifies active low - ignored\n", np->full_name); *flags &= ~OF_GPIO_ACTIVE_LOW; } - if (!of_property_read_bool(np, "enable-active-high")) + if (active_low) *flags |= OF_GPIO_ACTIVE_LOW; } } diff --git a/drivers/of/of_path.c b/drivers/of/of_path.c index f8bbf2cba1..5c3a020345 100644 --- a/drivers/of/of_path.c +++ b/drivers/of/of_path.c @@ -83,7 +83,7 @@ static int __of_find_path(struct device_node *node, const char *part, char **out } if (dev->bus && !dev->driver) - return -ENODEV; + return -EPROBE_DEFER; device_detect(dev); diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index 9bc259f84c..b527114f1b 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -260,7 +260,7 @@ static int pinctrl_at91_pio4_gpiochip_add(struct device_d *dev, return ret; } - dev_info(dev, "gpio driver registered\n"); + dev_dbg(dev, "gpio driver registered\n"); return 0; } @@ -290,7 +290,7 @@ static int pinctrl_at91_pio4_probe(struct device_d *dev) if (ret) return ret; - dev_info(dev, "pinctrl driver registered\n"); + dev_dbg(dev, "pinctrl driver registered\n"); if (of_get_property(np, "gpio-controller", NULL)) return pinctrl_at91_pio4_gpiochip_add(dev, pinctrl); diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c index 5fd5740e81..b8e9b60372 100644 --- a/drivers/pinctrl/pinctrl-bcm2835.c +++ b/drivers/pinctrl/pinctrl-bcm2835.c @@ -171,7 +171,7 @@ static int bcm2835_gpio_probe(struct device_d *dev) goto err; } - dev_info(dev, "probed gpiochip%d with base %d\n", dev->id, bcmgpio->chip.base); + dev_dbg(dev, "probed gpiochip%d with base %d\n", dev->id, bcmgpio->chip.base); if (IS_ENABLED(CONFIG_PINCTRL)) { ret = pinctrl_register(&bcmgpio->pctl); diff --git a/drivers/pinctrl/pinctrl-stm32.c b/drivers/pinctrl/pinctrl-stm32.c index 7f04cea50b..cdaed510c5 100644 --- a/drivers/pinctrl/pinctrl-stm32.c +++ b/drivers/pinctrl/pinctrl-stm32.c @@ -87,110 +87,128 @@ static inline u32 stm32_gpio_get_alt(u32 function) return 0; } -static int stm32_pinctrl_set_state(struct pinctrl_device *pdev, struct device_node *group) +static int __stm32_pinctrl_set_state(struct device_d *dev, struct device_node *pins) { - struct stm32_pinctrl *pinctrl = to_stm32_pinctrl(pdev); - struct device_node *pins; int ret; - ret = hwspinlock_lock_timeout(&pinctrl->hws, 10); - if (ret == -ETIMEDOUT) { - dev_err(pdev->dev, "hw spinlock timeout\n"); - return ret; + int num_pins = 0, i; + u32 slew_rate; + bool adjust_slew_rate = false; + enum stm32_pin_bias bias = -1; + enum stm32_pin_out_type out_type = -1; + enum { PIN_INPUT, PIN_OUTPUT_LOW, PIN_OUTPUT_HIGH } dir = -1; + + of_get_property(pins, "pinmux", &num_pins); + num_pins /= sizeof(__be32); + if (!num_pins) { + dev_err(dev, "Invalid pinmux property in %s\n", + pins->full_name); + return -EINVAL; } - for_each_child_of_node(group, pins) { - int num_pins = 0, i; - u32 slew_rate; - bool adjust_slew_rate = false; - enum stm32_pin_bias bias = -1; - enum stm32_pin_out_type out_type = -1; - enum { PIN_INPUT, PIN_OUTPUT_LOW, PIN_OUTPUT_HIGH } dir = -1; - - of_get_property(pins, "pinmux", &num_pins); - num_pins /= sizeof(__be32); - if (!num_pins) { - dev_err(pdev->dev, "Invalid pinmux property in %s\n", - pins->full_name); - return -EINVAL; - } - - ret = of_property_read_u32(pins, "slew-rate", &slew_rate); - if (!ret) - adjust_slew_rate = true; - - if (of_get_property(pins, "bias-disable", NULL)) - bias = STM32_PIN_NO_BIAS; - else if (of_get_property(pins, "bias-pull-up", NULL)) - bias = STM32_PIN_PULL_UP; - else if (of_get_property(pins, "bias-pull-down", NULL)) - bias = STM32_PIN_PULL_DOWN; + ret = of_property_read_u32(pins, "slew-rate", &slew_rate); + if (!ret) + adjust_slew_rate = true; + + if (of_get_property(pins, "bias-disable", NULL)) + bias = STM32_PIN_NO_BIAS; + else if (of_get_property(pins, "bias-pull-up", NULL)) + bias = STM32_PIN_PULL_UP; + else if (of_get_property(pins, "bias-pull-down", NULL)) + bias = STM32_PIN_PULL_DOWN; + + if (of_get_property(pins, "drive-push-pull", NULL)) + out_type = STM32_PIN_OUT_PUSHPULL; + else if (of_get_property(pins, "drive-open-drain", NULL)) + out_type = STM32_PIN_OUT_OPENDRAIN; + + if (of_get_property(pins, "input-enable", NULL)) + dir = PIN_INPUT; + else if (of_get_property(pins, "output-low", NULL)) + dir = PIN_OUTPUT_LOW; + else if (of_get_property(pins, "output-high", NULL)) + dir = PIN_OUTPUT_HIGH; + + dev_dbg(dev, "%s: multiplexing %d pins\n", pins->full_name, num_pins); + + for (i = 0; i < num_pins; i++) { + struct stm32_gpio_bank *bank = NULL; + u32 pinfunc, mode, alt; + unsigned func; + int offset; + + ret = of_property_read_u32_index(pins, "pinmux", + i, &pinfunc); + if (ret) + return ret; - if (of_get_property(pins, "drive-push-pull", NULL)) - out_type = STM32_PIN_OUT_PUSHPULL; - else if (of_get_property(pins, "drive-open-drain", NULL)) - out_type = STM32_PIN_OUT_OPENDRAIN; + func = STM32_GET_PIN_FUNC(pinfunc); + offset = stm32_gpio_pin(STM32_GET_PIN_NO(pinfunc), &bank); + if (offset < 0) + return -ENODEV; - if (of_get_property(pins, "input-enable", NULL)) - dir = PIN_INPUT; - else if (of_get_property(pins, "output-low", NULL)) - dir = PIN_OUTPUT_LOW; - else if (of_get_property(pins, "output-high", NULL)) - dir = PIN_OUTPUT_HIGH; + mode = stm32_gpio_get_mode(func); + alt = stm32_gpio_get_alt(func); - dev_dbg(pdev->dev, "%s: multiplexing %d pins\n", - pins->full_name, num_pins); + dev_dbg(dev, "configuring port %s pin %u with:\n\t" + "fn %u, mode %u, alt %u\n", + bank->name, offset, func, mode, alt); - for (i = 0; i < num_pins; i++) { - struct stm32_gpio_bank *bank = NULL; - u32 pinfunc, mode, alt; - unsigned func; - int offset; + clk_enable(bank->clk); - ret = of_property_read_u32_index(pins, "pinmux", - i, &pinfunc); - if (ret) - return ret; + __stm32_pmx_set_mode(bank->base, offset, mode, alt); - func = STM32_GET_PIN_FUNC(pinfunc); - offset = stm32_gpio_pin(STM32_GET_PIN_NO(pinfunc), &bank); - if (offset < 0) - return -ENODEV; + if (adjust_slew_rate) + __stm32_pmx_set_speed(bank->base, offset, slew_rate); - dev_dbg(pdev->dev, "configuring port %s pin %u with:\n\t" - "fn %u, mode %u, alt %u\n", - bank->name, offset, func, mode, alt); + if (bias != -1) + __stm32_pmx_set_bias(bank->base, offset, bias); - mode = stm32_gpio_get_mode(func); - alt = stm32_gpio_get_alt(func); + if (out_type != -1) + __stm32_pmx_set_output_type(bank->base, offset, out_type); - clk_enable(bank->clk); + if (dir == PIN_INPUT) + __stm32_pmx_gpio_input(bank->base, offset); + else if (dir == PIN_OUTPUT_LOW) + __stm32_pmx_gpio_output(bank->base, offset, 0); + else if (dir == PIN_OUTPUT_HIGH) + __stm32_pmx_gpio_output(bank->base, offset, 1); - __stm32_pmx_set_mode(bank->base, offset, mode, alt); + clk_disable(bank->clk); + } - if (adjust_slew_rate) - __stm32_pmx_set_speed(bank->base, offset, slew_rate); + return 0; +} - if (bias != -1) - __stm32_pmx_set_bias(bank->base, offset, bias); +static int stm32_pinctrl_set_state(struct pinctrl_device *pdev, struct device_node *np) +{ + struct stm32_pinctrl *pinctrl = to_stm32_pinctrl(pdev); + struct device_d *dev = pdev->dev; + struct device_node *pins; + void *prop; + int ret; - if (out_type != -1) - __stm32_pmx_set_output_type(bank->base, offset, out_type); + ret = hwspinlock_lock_timeout(&pinctrl->hws, 10); + if (ret == -ETIMEDOUT) { + dev_err(dev, "hw spinlock timeout\n"); + return ret; + } - if (dir == PIN_INPUT) - __stm32_pmx_gpio_input(bank->base, offset); - else if (dir == PIN_OUTPUT_LOW) - __stm32_pmx_gpio_output(bank->base, offset, 0); - else if (dir == PIN_OUTPUT_HIGH) - __stm32_pmx_gpio_output(bank->base, offset, 1); + prop = of_find_property(np, "pinmux", NULL); + if (prop) { + ret = __stm32_pinctrl_set_state(dev, np); + goto out; + } - clk_disable(bank->clk); - } + for_each_child_of_node(np, pins) { + ret = __stm32_pinctrl_set_state(dev, pins); + if (ret) + goto out; } +out: hwspinlock_unlock(&pinctrl->hws); - - return 0; + return ret; } /* GPIO functions */ @@ -401,7 +419,7 @@ static int stm32_pinctrl_probe(struct device_d *dev) } } - dev_info(dev, "pinctrl/gpio driver registered\n"); + dev_dbg(dev, "pinctrl/gpio driver registered\n"); return 0; } diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index c734ef5ef9..28bd69a2a5 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -21,6 +21,15 @@ config REGULATOR_PFUZE depends on I2C depends on ARCH_IMX6 +config REGULATOR_STPMIC1 + tristate "STMicroelectronics STPMIC1 PMIC Regulators" + depends on MFD_STPMIC1 + help + This driver supports STMicroelectronics STPMIC1 PMIC voltage + regulators and switches. The STPMIC1 regulators supply power to + an application processor as well as to external system + peripherals such as DDR, Flash memories and system devices. + config REGULATOR_ANATOP tristate "Freescale i.MX on-chip ANATOP LDO regulators" depends on MFD_SYSCON diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index b2fc5b79b6..e27e155cf6 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -1,5 +1,7 @@ obj-$(CONFIG_REGULATOR) += core.o helpers.o +obj-$(CONFIG_OFDEVICE) += of_regulator.o obj-$(CONFIG_REGULATOR_FIXED) += fixed.o obj-$(CONFIG_REGULATOR_BCM283X) += bcm2835.o obj-$(CONFIG_REGULATOR_PFUZE) += pfuze.o -obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
\ No newline at end of file +obj-$(CONFIG_REGULATOR_STPMIC1) += stpmic1_regulator.o +obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index f22d21b35d..c4877cecf7 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -184,3 +184,189 @@ int regulator_list_voltage_linear(struct regulator_dev *rdev, return rdev->desc->min_uV + (rdev->desc->uV_step * selector); } EXPORT_SYMBOL_GPL(regulator_list_voltage_linear); + +/** + * regulator_desc_list_voltage_linear_range - List voltages for linear ranges + * + * @desc: Regulator desc for regulator which volatges are to be listed + * @selector: Selector to convert into a voltage + * + * Regulators with a series of simple linear mappings between voltages + * and selectors who have set linear_ranges in the regulator descriptor + * can use this function prior regulator registration to list voltages. + * This is useful when voltages need to be listed during device-tree + * parsing. + */ +int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, + unsigned int selector) +{ + const struct regulator_linear_range *range; + int i; + + if (!desc->n_linear_ranges) { + BUG_ON(!desc->n_linear_ranges); + return -EINVAL; + } + + for (i = 0; i < desc->n_linear_ranges; i++) { + range = &desc->linear_ranges[i]; + + if (!(selector >= range->min_sel && + selector <= range->max_sel)) + continue; + + selector -= range->min_sel; + + return range->min_uV + (range->uV_step * selector); + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(regulator_desc_list_voltage_linear_range); + +/** + * regulator_list_voltage_linear_range - List voltages for linear ranges + * + * @rdev: Regulator device + * @selector: Selector to convert into a voltage + * + * Regulators with a series of simple linear mappings between voltages + * and selectors can set linear_ranges in the regulator descriptor and + * then use this function as their list_voltage() operation, + */ +int regulator_list_voltage_linear_range(struct regulator_dev *rdev, + unsigned int selector) +{ + return regulator_desc_list_voltage_linear_range(rdev->desc, selector); +} +EXPORT_SYMBOL_GPL(regulator_list_voltage_linear_range); + +/** + * regulator_map_voltage_linear_range - map_voltage() for multiple linear ranges + * + * @rdev: Regulator to operate on + * @min_uV: Lower bound for voltage + * @max_uV: Upper bound for voltage + * + * Drivers providing linear_ranges in their descriptor can use this as + * their map_voltage() callback. + */ +int regulator_map_voltage_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + const struct regulator_linear_range *range; + int ret = -EINVAL; + int voltage, i; + + if (!rdev->desc->n_linear_ranges) { + BUG_ON(!rdev->desc->n_linear_ranges); + return -EINVAL; + } + + for (i = 0; i < rdev->desc->n_linear_ranges; i++) { + int linear_max_uV; + + range = &rdev->desc->linear_ranges[i]; + linear_max_uV = range->min_uV + + (range->max_sel - range->min_sel) * range->uV_step; + + if (!(min_uV <= linear_max_uV && max_uV >= range->min_uV)) + continue; + + if (min_uV <= range->min_uV) + min_uV = range->min_uV; + + /* range->uV_step == 0 means fixed voltage range */ + if (range->uV_step == 0) { + ret = 0; + } else { + ret = DIV_ROUND_UP(min_uV - range->min_uV, + range->uV_step); + if (ret < 0) + return ret; + } + + ret += range->min_sel; + + /* + * Map back into a voltage to verify we're still in bounds. + * If we are not, then continue checking rest of the ranges. + */ + voltage = rdev->desc->ops->list_voltage(rdev, ret); + if (voltage >= min_uV && voltage <= max_uV) + break; + } + + if (i == rdev->desc->n_linear_ranges) + return -EINVAL; + + return ret; +} +EXPORT_SYMBOL_GPL(regulator_map_voltage_linear_range); + +/** + * regulator_get_voltage_sel_regmap - standard get_voltage_sel for regmap users + * + * @rdev: regulator to operate on + * + * Regulators that use regmap for their register I/O can set the + * vsel_reg and vsel_mask fields in their descriptor and then use this + * as their get_voltage_vsel operation, saving some code. + */ +int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + int ret; + + ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val); + if (ret != 0) + return ret; + + val &= rdev->desc->vsel_mask; + val >>= ffs(rdev->desc->vsel_mask) - 1; + + return val; +} +EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_regmap); + +/** + * regulator_map_voltage_iterate - map_voltage() based on list_voltage() + * + * @rdev: Regulator to operate on + * @min_uV: Lower bound for voltage + * @max_uV: Upper bound for voltage + * + * Drivers implementing set_voltage_sel() and list_voltage() can use + * this as their map_voltage() operation. It will find a suitable + * voltage by calling list_voltage() until it gets something in bounds + * for the requested voltages. + */ +int regulator_map_voltage_iterate(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + int best_val = INT_MAX; + int selector = 0; + int i, ret; + + /* Find the smallest voltage that falls within the specified + * range. + */ + for (i = 0; i < rdev->desc->n_voltages; i++) { + ret = rdev->desc->ops->list_voltage(rdev, i); + if (ret < 0) + continue; + + if (ret < best_val && ret >= min_uV && ret <= max_uV) { + best_val = ret; + selector = i; + } + } + + if (best_val != INT_MAX) + return selector; + else + return -EINVAL; +} +EXPORT_SYMBOL_GPL(regulator_map_voltage_iterate); + + diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c new file mode 100644 index 0000000000..3e8caa8710 --- /dev/null +++ b/drivers/regulator/of_regulator.c @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * OF helpers for regulator framework + * + * Copyright (C) 2011 Texas Instruments, Inc. + * Rajendra Nayak <rnayak@ti.com> + */ + +#include <common.h> +#include <of.h> +#include <linux/regulator/of_regulator.h> +#include <linux/regulator/machine.h> + +static int of_get_regulation_constraints(struct device_d *dev, + struct device_node *np, + struct regulator_init_data **init_data, + const struct regulator_desc *desc) +{ + struct regulation_constraints *constraints = &(*init_data)->constraints; + int ret; + u32 pval; + + constraints->name = of_get_property(np, "regulator-name", NULL); + + if (!of_property_read_u32(np, "regulator-min-microvolt", &pval)) + constraints->min_uV = pval; + + if (!of_property_read_u32(np, "regulator-max-microvolt", &pval)) + constraints->max_uV = pval; + + /* Voltage change possible? */ + if (constraints->min_uV != constraints->max_uV) + constraints->valid_ops_mask |= REGULATOR_CHANGE_VOLTAGE; + + /* Do we have a voltage range, if so try to apply it? */ + if (constraints->min_uV && constraints->max_uV) + constraints->apply_uV = true; + + if (!of_property_read_u32(np, "regulator-microvolt-offset", &pval)) + constraints->uV_offset = pval; + if (!of_property_read_u32(np, "regulator-min-microamp", &pval)) + constraints->min_uA = pval; + if (!of_property_read_u32(np, "regulator-max-microamp", &pval)) + constraints->max_uA = pval; + + if (!of_property_read_u32(np, "regulator-input-current-limit-microamp", + &pval)) + constraints->ilim_uA = pval; + + /* Current change possible? */ + if (constraints->min_uA != constraints->max_uA) + constraints->valid_ops_mask |= REGULATOR_CHANGE_CURRENT; + + constraints->boot_on = of_property_read_bool(np, "regulator-boot-on"); + constraints->always_on = of_property_read_bool(np, "regulator-always-on"); + if (!constraints->always_on) /* status change should be possible. */ + constraints->valid_ops_mask |= REGULATOR_CHANGE_STATUS; + + constraints->pull_down = of_property_read_bool(np, "regulator-pull-down"); + + if (of_property_read_bool(np, "regulator-allow-bypass")) + constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS; + + if (of_property_read_bool(np, "regulator-allow-set-load")) + constraints->valid_ops_mask |= REGULATOR_CHANGE_DRMS; + + ret = of_property_read_u32(np, "regulator-ramp-delay", &pval); + if (!ret) { + if (pval) + constraints->ramp_delay = pval; + else + constraints->ramp_disable = true; + } + + ret = of_property_read_u32(np, "regulator-settling-time-us", &pval); + if (!ret) + constraints->settling_time = pval; + + ret = of_property_read_u32(np, "regulator-settling-time-up-us", &pval); + if (!ret) + constraints->settling_time_up = pval; + if (constraints->settling_time_up && constraints->settling_time) { + pr_warn("%pOFn: ambiguous configuration for settling time, ignoring 'regulator-settling-time-up-us'\n", + np); + constraints->settling_time_up = 0; + } + + ret = of_property_read_u32(np, "regulator-settling-time-down-us", + &pval); + if (!ret) + constraints->settling_time_down = pval; + if (constraints->settling_time_down && constraints->settling_time) { + pr_warn("%pOFn: ambiguous configuration for settling time, ignoring 'regulator-settling-time-down-us'\n", + np); + constraints->settling_time_down = 0; + } + + ret = of_property_read_u32(np, "regulator-enable-ramp-delay", &pval); + if (!ret) + constraints->enable_time = pval; + + constraints->soft_start = of_property_read_bool(np, + "regulator-soft-start"); + ret = of_property_read_u32(np, "regulator-active-discharge", &pval); + if (!ret) { + constraints->active_discharge = + (pval) ? REGULATOR_ACTIVE_DISCHARGE_ENABLE : + REGULATOR_ACTIVE_DISCHARGE_DISABLE; + } + + if (!of_property_read_u32(np, "regulator-system-load", &pval)) + constraints->system_load = pval; + + if (!of_property_read_u32(np, "regulator-max-step-microvolt", + &pval)) + constraints->max_uV_step = pval; + + constraints->over_current_protection = of_property_read_bool(np, + "regulator-over-current-protection"); + + return 0; +} + +/** + * of_get_regulator_init_data - extract regulator_init_data structure info + * @dev: device requesting for regulator_init_data + * @node: regulator device node + * @desc: regulator description + * + * Populates regulator_init_data structure by extracting data from device + * tree node, returns a pointer to the populated structure or NULL if memory + * alloc fails. + */ +struct regulator_init_data *of_get_regulator_init_data(struct device_d *dev, + struct device_node *node, + const struct regulator_desc *desc) +{ + struct regulator_init_data *init_data; + + if (!node) + return NULL; + + init_data = xzalloc(sizeof(*init_data)); + + if (of_get_regulation_constraints(dev, node, &init_data, desc)) + return NULL; + + return init_data; +} +EXPORT_SYMBOL_GPL(of_get_regulator_init_data); + +struct devm_of_regulator_matches { + struct of_regulator_match *matches; + unsigned int num_matches; +}; + +/** + * of_regulator_match - extract multiple regulator init data from device tree. + * @dev: device requesting the data + * @node: parent device node of the regulators + * @matches: match table for the regulators + * @num_matches: number of entries in match table + * + * This function uses a match table specified by the regulator driver to + * parse regulator init data from the device tree. @node is expected to + * contain a set of child nodes, each providing the init data for one + * regulator. The data parsed from a child node will be matched to a regulator + * based on either the deprecated property regulator-compatible if present, + * or otherwise the child node's name. Note that the match table is modified + * in place and an additional of_node reference is taken for each matched + * regulator. + * + * Returns the number of matches found or a negative error code on failure. + */ +int of_regulator_match(struct device_d *dev, struct device_node *node, + struct of_regulator_match *matches, + unsigned int num_matches) +{ + unsigned int count = 0; + unsigned int i; + const char *name; + struct device_node *child; + struct devm_of_regulator_matches *devm_matches; + + if (!dev || !node) + return -EINVAL; + + devm_matches = xzalloc(sizeof(struct devm_of_regulator_matches)); + + devm_matches->matches = matches; + devm_matches->num_matches = num_matches; + + for (i = 0; i < num_matches; i++) { + struct of_regulator_match *match = &matches[i]; + match->init_data = NULL; + match->of_node = NULL; + } + + for_each_child_of_node(node, child) { + name = of_get_property(child, + "regulator-compatible", NULL); + if (!name) + name = child->name; + + for (i = 0; i < num_matches; i++) { + struct of_regulator_match *match = &matches[i]; + if (match->of_node) + continue; + + if (strcmp(match->name, name)) + continue; + + match->init_data = of_get_regulator_init_data(dev, child, + match->desc); + if (!match->init_data) { + dev_err(dev, + "failed to parse DT for regulator %pOFn\n", + child); + return -EINVAL; + } + match->of_node = child; + count++; + break; + } + } + + return count; +} +EXPORT_SYMBOL_GPL(of_regulator_match); diff --git a/drivers/regulator/stpmic1_regulator.c b/drivers/regulator/stpmic1_regulator.c new file mode 100644 index 0000000000..aaaba092c1 --- /dev/null +++ b/drivers/regulator/stpmic1_regulator.c @@ -0,0 +1,436 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) STMicroelectronics 2018 +// Author: Pascal Paillet <p.paillet@st.com> for STMicroelectronics. + +#include <common.h> +#include <init.h> +#include <of_device.h> +#include <regmap.h> +#include <linux/regulator/of_regulator.h> +#include <regulator.h> +#include <linux/mfd/stpmic1.h> + +#include <dt-bindings/mfd/st,stpmic1.h> + +/** + * stpmic1 regulator description: this structure is used as driver data + * @desc: regulator framework description + * @mask_reset_reg: mask reset register address + * @mask_reset_mask: mask rank and mask reset register mask + * @icc_reg: icc register address + * @icc_mask: icc register mask + */ +struct stpmic1_regulator_cfg { + struct device_d *dev; + struct regulator_dev rdev; + struct regulator_desc desc; + u8 mask_reset_reg; + u8 mask_reset_mask; + u8 icc_reg; + u8 icc_mask; +}; + +enum { + STPMIC1_BUCK1 = 0, + STPMIC1_BUCK2 = 1, + STPMIC1_BUCK3 = 2, + STPMIC1_BUCK4 = 3, + STPMIC1_LDO1 = 4, + STPMIC1_LDO2 = 5, + STPMIC1_LDO3 = 6, + STPMIC1_LDO4 = 7, + STPMIC1_LDO5 = 8, + STPMIC1_LDO6 = 9, + STPMIC1_VREF_DDR = 10, + STPMIC1_BOOST = 11, + STPMIC1_VBUS_OTG = 12, + STPMIC1_SW_OUT = 13, +}; + +/* Enable time worst case is 5000mV/(2250uV/uS) */ +#define PMIC_ENABLE_TIME_US 2200 + +static const struct regulator_linear_range buck1_ranges[] = { + REGULATOR_LINEAR_RANGE(725000, 0, 4, 0), + REGULATOR_LINEAR_RANGE(725000, 5, 36, 25000), + REGULATOR_LINEAR_RANGE(1500000, 37, 63, 0), +}; + +static const struct regulator_linear_range buck2_ranges[] = { + REGULATOR_LINEAR_RANGE(1000000, 0, 17, 0), + REGULATOR_LINEAR_RANGE(1050000, 18, 19, 0), + REGULATOR_LINEAR_RANGE(1100000, 20, 21, 0), + REGULATOR_LINEAR_RANGE(1150000, 22, 23, 0), + REGULATOR_LINEAR_RANGE(1200000, 24, 25, 0), + REGULATOR_LINEAR_RANGE(1250000, 26, 27, 0), + REGULATOR_LINEAR_RANGE(1300000, 28, 29, 0), + REGULATOR_LINEAR_RANGE(1350000, 30, 31, 0), + REGULATOR_LINEAR_RANGE(1400000, 32, 33, 0), + REGULATOR_LINEAR_RANGE(1450000, 34, 35, 0), + REGULATOR_LINEAR_RANGE(1500000, 36, 63, 0), +}; + +static const struct regulator_linear_range buck3_ranges[] = { + REGULATOR_LINEAR_RANGE(1000000, 0, 19, 0), + REGULATOR_LINEAR_RANGE(1100000, 20, 23, 0), + REGULATOR_LINEAR_RANGE(1200000, 24, 27, 0), + REGULATOR_LINEAR_RANGE(1300000, 28, 31, 0), + REGULATOR_LINEAR_RANGE(1400000, 32, 35, 0), + REGULATOR_LINEAR_RANGE(1500000, 36, 55, 100000), + REGULATOR_LINEAR_RANGE(3400000, 56, 63, 0), +}; + +static const struct regulator_linear_range buck4_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 27, 25000), + REGULATOR_LINEAR_RANGE(1300000, 28, 29, 0), + REGULATOR_LINEAR_RANGE(1350000, 30, 31, 0), + REGULATOR_LINEAR_RANGE(1400000, 32, 33, 0), + REGULATOR_LINEAR_RANGE(1450000, 34, 35, 0), + REGULATOR_LINEAR_RANGE(1500000, 36, 60, 100000), + REGULATOR_LINEAR_RANGE(3900000, 61, 63, 0), +}; + +static const struct regulator_linear_range ldo1_ranges[] = { + REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0), + REGULATOR_LINEAR_RANGE(1700000, 8, 24, 100000), + REGULATOR_LINEAR_RANGE(3300000, 25, 31, 0), +}; + +static const struct regulator_linear_range ldo2_ranges[] = { + REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0), + REGULATOR_LINEAR_RANGE(1700000, 8, 24, 100000), + REGULATOR_LINEAR_RANGE(3300000, 25, 30, 0), +}; + +static const struct regulator_linear_range ldo3_ranges[] = { + REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0), + REGULATOR_LINEAR_RANGE(1700000, 8, 24, 100000), + REGULATOR_LINEAR_RANGE(3300000, 25, 30, 0), + /* with index 31 LDO3 is in DDR mode */ + REGULATOR_LINEAR_RANGE(500000, 31, 31, 0), +}; + +static const struct regulator_linear_range ldo5_ranges[] = { + REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0), + REGULATOR_LINEAR_RANGE(1700000, 8, 30, 100000), + REGULATOR_LINEAR_RANGE(3900000, 31, 31, 0), +}; + +static const struct regulator_linear_range ldo6_ranges[] = { + REGULATOR_LINEAR_RANGE(900000, 0, 24, 100000), + REGULATOR_LINEAR_RANGE(3300000, 25, 31, 0), +}; + +static const struct regulator_ops stpmic1_ldo_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +static const struct regulator_ops stpmic1_ldo3_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_iterate, + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +static const struct regulator_ops stpmic1_ldo4_fixed_regul_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, +}; + +static const struct regulator_ops stpmic1_buck_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, +}; + +static const struct regulator_ops stpmic1_vref_ddr_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, +}; + +static const struct regulator_ops stpmic1_boost_regul_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, +}; + +static const struct regulator_ops stpmic1_switch_regul_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, +}; + +#define REG_LDO(ids, base) { \ + .n_voltages = 32, \ + .ops = &stpmic1_ldo_ops, \ + .linear_ranges = base ## _ranges, \ + .n_linear_ranges = ARRAY_SIZE(base ## _ranges), \ + .vsel_reg = ids##_ACTIVE_CR, \ + .vsel_mask = LDO_VOLTAGE_MASK, \ + .enable_reg = ids##_ACTIVE_CR, \ + .enable_mask = LDO_ENABLE_MASK, \ + .enable_val = 1, \ + .disable_val = 0, \ +} + +#define REG_LDO3(ids, base) { \ + .n_voltages = 32, \ + .ops = &stpmic1_ldo3_ops, \ + .linear_ranges = ldo3_ranges, \ + .n_linear_ranges = ARRAY_SIZE(ldo3_ranges), \ + .vsel_reg = LDO3_ACTIVE_CR, \ + .vsel_mask = LDO_VOLTAGE_MASK, \ + .enable_reg = LDO3_ACTIVE_CR, \ + .enable_mask = LDO_ENABLE_MASK, \ + .enable_val = 1, \ + .disable_val = 0, \ +} + +#define REG_LDO4(ids, base) { \ + .n_voltages = 1, \ + .ops = &stpmic1_ldo4_fixed_regul_ops, \ + .min_uV = 3300000, \ + .enable_reg = LDO4_ACTIVE_CR, \ + .enable_mask = LDO_ENABLE_MASK, \ + .enable_val = 1, \ + .disable_val = 0, \ +} + +#define REG_BUCK(ids, base) { \ + .ops = &stpmic1_buck_ops, \ + .n_voltages = 64, \ + .linear_ranges = base ## _ranges, \ + .n_linear_ranges = ARRAY_SIZE(base ## _ranges), \ + .vsel_reg = ids##_ACTIVE_CR, \ + .vsel_mask = BUCK_VOLTAGE_MASK, \ + .enable_reg = ids##_ACTIVE_CR, \ + .enable_mask = BUCK_ENABLE_MASK, \ + .enable_val = 1, \ + .disable_val = 0, \ +} + +#define REG_VREF_DDR(ids, base) { \ + .n_voltages = 1, \ + .ops = &stpmic1_vref_ddr_ops, \ + .min_uV = 500000, \ + .enable_reg = VREF_DDR_ACTIVE_CR, \ + .enable_mask = BUCK_ENABLE_MASK, \ + .enable_val = 1, \ + .disable_val = 0, \ +} + +#define REG_BOOST(ids, base) { \ + .n_voltages = 1, \ + .ops = &stpmic1_boost_regul_ops, \ + .min_uV = 0, \ + .enable_reg = BST_SW_CR, \ + .enable_mask = BOOST_ENABLED, \ + .enable_val = BOOST_ENABLED, \ + .disable_val = 0, \ +} + +#define REG_VBUS_OTG(ids, base) { \ + .n_voltages = 1, \ + .ops = &stpmic1_switch_regul_ops, \ + .min_uV = 0, \ + .enable_reg = BST_SW_CR, \ + .enable_mask = USBSW_OTG_SWITCH_ENABLED, \ + .enable_val = USBSW_OTG_SWITCH_ENABLED, \ + .disable_val = 0, \ +} + +#define REG_SW_OUT(ids, base) { \ + .n_voltages = 1, \ + .ops = &stpmic1_switch_regul_ops, \ + .min_uV = 0, \ + .enable_reg = BST_SW_CR, \ + .enable_mask = SWIN_SWOUT_ENABLED, \ + .enable_val = SWIN_SWOUT_ENABLED, \ + .disable_val = 0, \ +} + +static struct stpmic1_regulator_cfg stpmic1_regulator_cfgs[] = { + [STPMIC1_BUCK1] = { + .desc = REG_BUCK(BUCK1, buck1), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(0), + .mask_reset_reg = BUCKS_MASK_RESET_CR, + .mask_reset_mask = BIT(0), + }, + [STPMIC1_BUCK2] = { + .desc = REG_BUCK(BUCK2, buck2), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(1), + .mask_reset_reg = BUCKS_MASK_RESET_CR, + .mask_reset_mask = BIT(1), + }, + [STPMIC1_BUCK3] = { + .desc = REG_BUCK(BUCK3, buck3), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(2), + .mask_reset_reg = BUCKS_MASK_RESET_CR, + .mask_reset_mask = BIT(2), + }, + [STPMIC1_BUCK4] = { + .desc = REG_BUCK(BUCK4, buck4), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(3), + .mask_reset_reg = BUCKS_MASK_RESET_CR, + .mask_reset_mask = BIT(3), + }, + [STPMIC1_LDO1] = { + .desc = REG_LDO(LDO1, ldo1), + .icc_reg = LDOS_ICCTO_CR, + .icc_mask = BIT(0), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(0), + }, + [STPMIC1_LDO2] = { + .desc = REG_LDO(LDO2, ldo2), + .icc_reg = LDOS_ICCTO_CR, + .icc_mask = BIT(1), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(1), + }, + [STPMIC1_LDO3] = { + .desc = REG_LDO3(LDO3, ldo3), + .icc_reg = LDOS_ICCTO_CR, + .icc_mask = BIT(2), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(2), + }, + [STPMIC1_LDO4] = { + .desc = REG_LDO4(LDO4, ldo4), + .icc_reg = LDOS_ICCTO_CR, + .icc_mask = BIT(3), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(3), + }, + [STPMIC1_LDO5] = { + .desc = REG_LDO(LDO5, ldo5), + .icc_reg = LDOS_ICCTO_CR, + .icc_mask = BIT(4), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(4), + }, + [STPMIC1_LDO6] = { + .desc = REG_LDO(LDO6, ldo6), + .icc_reg = LDOS_ICCTO_CR, + .icc_mask = BIT(5), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(5), + }, + [STPMIC1_VREF_DDR] = { + .desc = REG_VREF_DDR(VREF_DDR, vref_ddr), + .mask_reset_reg = LDOS_MASK_RESET_CR, + .mask_reset_mask = BIT(6), + }, + [STPMIC1_BOOST] = { + .desc = REG_BOOST(BOOST, boost), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(6), + }, + [STPMIC1_VBUS_OTG] = { + .desc = REG_VBUS_OTG(VBUS_OTG, pwr_sw1), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(4), + }, + [STPMIC1_SW_OUT] = { + .desc = REG_SW_OUT(SW_OUT, pwr_sw2), + .icc_reg = BUCKS_ICCTO_CR, + .icc_mask = BIT(5), + }, +}; + +#define MATCH(_name, _id) \ + [STPMIC1_##_id] = { \ + .name = #_name, \ + .desc = &stpmic1_regulator_cfgs[STPMIC1_##_id].desc, \ + } + +static struct of_regulator_match stpmic1_matches[] = { + MATCH(buck1, BUCK1), + MATCH(buck2, BUCK2), + MATCH(buck3, BUCK3), + MATCH(buck4, BUCK4), + MATCH(ldo1, LDO1), + MATCH(ldo2, LDO2), + MATCH(ldo3, LDO3), + MATCH(ldo4, LDO4), + MATCH(ldo5, LDO5), + MATCH(ldo6, LDO6), + MATCH(vref_ddr, VREF_DDR), + MATCH(boost, BOOST), + MATCH(pwr_sw1, VBUS_OTG), + MATCH(pwr_sw2, SW_OUT), +}; + +static int stpmic1_regulator_register(struct device_d *dev, int id, + struct of_regulator_match *match, + struct stpmic1_regulator_cfg *cfg) +{ + int ret; + + cfg->dev = dev; + cfg->rdev.desc = &cfg->desc; + cfg->rdev.regmap = dev_get_regmap(dev->parent, NULL); + if (IS_ERR(cfg->rdev.regmap)) + return PTR_ERR(cfg->rdev.regmap); + + ret = of_regulator_register(&cfg->rdev, match->of_node); + if (ret) { + dev_err(dev, "failed to register %s regulator\n", match->name); + return ret; + } + + dev_dbg(dev, "registered %s\n", match->name); + + return 0; +} + +static int stpmic1_regulator_probe(struct device_d *dev) +{ + int i, ret; + + ret = of_regulator_match(dev, dev->device_node, stpmic1_matches, + ARRAY_SIZE(stpmic1_matches)); + if (ret < 0) { + dev_err(dev, "Error in PMIC regulator device tree node"); + return ret; + } + + for (i = 0; i < ARRAY_SIZE(stpmic1_regulator_cfgs); i++) { + ret = stpmic1_regulator_register(dev, i, &stpmic1_matches[i], + &stpmic1_regulator_cfgs[i]); + if (ret < 0) + return ret; + } + + dev_dbg(dev, "probed\n"); + + return 0; +} + +static __maybe_unused const struct of_device_id stpmic1_regulator_of_match[] = { + { .compatible = "st,stpmic1-regulators" }, + { /* sentinel */ }, +}; + +static struct driver_d stpmic1_regulator_driver = { + .name = "stpmic1-regulator", + .probe = stpmic1_regulator_probe, + .of_compatible = DRV_OF_COMPAT(stpmic1_regulator_of_match), +}; +device_platform_driver(stpmic1_regulator_driver); diff --git a/drivers/serial/efi-stdio.c b/drivers/serial/efi-stdio.c index 2ca89fa4f8..9e825181e6 100644 --- a/drivers/serial/efi-stdio.c +++ b/drivers/serial/efi-stdio.c @@ -26,6 +26,8 @@ #include <readkey.h> #include <linux/ctype.h> #include <efi/efi.h> +#include <efi/efi-device.h> +#include "efi-stdio.h" #define EFI_SHIFT_STATE_VALID 0x80000000 #define EFI_RIGHT_CONTROL_PRESSED 0x00000004 @@ -71,6 +73,7 @@ struct efi_console_priv { struct efi_simple_text_output_protocol *out; struct efi_simple_input_interface *in; + struct efi_simple_text_input_ex_protocol *inex; struct console_device cdev; int lastkey; u16 efi_console_buffer[CONFIG_CBSIZE]; @@ -105,35 +108,72 @@ static struct efi_ctrlkey ctrlkeys[] = { { 0x17, 27 /* escape key */ }, }; +static int xlate_keypress(struct efi_input_key *k) +{ + int i; + + /* 32 bit modifier keys + 16 bit scan code + 16 bit unicode */ + for (i = 0; i < ARRAY_SIZE(ctrlkeys); i++) { + if (ctrlkeys[i].scan_code == k->scan_code) + return ctrlkeys[i].bb_key; + + } + + return k->unicode_char & 0xff; +} + static int efi_read_key(struct efi_console_priv *priv, bool wait) { unsigned long index; efi_status_t efiret; - struct efi_input_key k; - int i; + struct efi_key_data kd; /* wait until key is pressed */ if (wait) BS->wait_for_event(1, priv->in->wait_for_key, &index); - efiret = priv->in->read_key_stroke(efi_sys_table->con_in, &k); - if (EFI_ERROR(efiret)) - return -efi_errno(efiret); + if (priv->inex) { + efiret = priv->inex->read_key_stroke_ex(priv->inex, &kd); - /* 32 bit modifier keys + 16 bit scan code + 16 bit unicode */ - for (i = 0; i < ARRAY_SIZE(ctrlkeys); i++) { - if (ctrlkeys[i].scan_code == k.scan_code) - return ctrlkeys[i].bb_key; + if (efiret == EFI_NOT_READY) + return -EAGAIN; + + if (!EFI_ERROR(efiret)) { + if ((kd.state.shift_state & EFI_SHIFT_STATE_VALID) && + (kd.state.shift_state & EFI_CONTROL_PRESSED)) { + int ch = tolower(kd.key.unicode_char & 0xff); + + if (isalpha(ch)) + return CHAR_CTRL(ch); + if (ch == '\0') /* ctrl is pressed on its own */ + return -EAGAIN; + } + + if (kd.key.unicode_char || kd.key.scan_code) + return xlate_keypress(&kd.key); + /* Some broken firmwares offer simple_text_input_ex_protocol, + * but never handle any key. Treat those as if + * read_key_stroke_ex failed and fall through + * to the basic simple_text_input_protocol. + */ + dev_dbg(priv->cdev.dev, "Falling back to simple_text_input_protocol\n"); + } } - return k.unicode_char & 0xff; + efiret = priv->in->read_key_stroke(priv->in, &kd.key); + + if (EFI_ERROR(efiret)) + return -efi_errno(efiret); + + return xlate_keypress(&kd.key); } static void efi_console_putc(struct console_device *cdev, char c) { uint16_t str[2] = {}; - struct efi_simple_text_output_protocol *con_out = efi_sys_table->con_out; + struct efi_console_priv *priv = to_efi(cdev); + struct efi_simple_text_output_protocol *con_out = priv->out; str[0] = c; @@ -331,8 +371,12 @@ static void efi_set_mode(struct efi_console_priv *priv) static int efi_console_probe(struct device_d *dev) { + efi_guid_t inex_guid = EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID; + struct efi_simple_text_input_ex_protocol *inex; struct console_device *cdev; struct efi_console_priv *priv; + efi_status_t efiret; + int i; priv = xzalloc(sizeof(*priv)); @@ -340,6 +384,18 @@ static int efi_console_probe(struct device_d *dev) priv->out = efi_sys_table->con_out; priv->in = efi_sys_table->con_in; + efiret = BS->open_protocol((void *)efi_sys_table->con_in_handle, + &inex_guid, + (void **)&inex, + efi_parent_image, + 0, + EFI_OPEN_PROTOCOL_GET_PROTOCOL); + + if (!EFI_ERROR(efiret)) { + priv->inex = inex; + dev_dbg(dev, "Using simple_text_input_ex_protocol\n"); + } + priv->current_color = EFI_WHITE; efi_set_mode(priv); diff --git a/drivers/serial/efi-stdio.h b/drivers/serial/efi-stdio.h new file mode 100644 index 0000000000..1fa417c706 --- /dev/null +++ b/drivers/serial/efi-stdio.h @@ -0,0 +1,58 @@ +#ifndef EFI_STDIO_H_ +#define EFI_STDIO_H_ + +#include <efi.h> + +struct efi_simple_text_input_ex_protocol; + +typedef efi_status_t (EFIAPI *efi_input_reset_ex)( + struct efi_simple_text_input_ex_protocol *this, + efi_bool_t extended_verification +); + +struct efi_key_state { + u32 shift_state; + u8 toggle_state; +}; + +struct efi_key_data { + struct efi_input_key key; + struct efi_key_state state; +}; + +typedef efi_status_t (EFIAPI *efi_input_read_key_ex)( + struct efi_simple_text_input_ex_protocol *this, + struct efi_key_data *keydata +); + +typedef efi_status_t (EFIAPI *efi_set_state)( + struct efi_simple_text_input_ex_protocol *this, + u8 *key_toggle_state +); + +typedef efi_status_t (EFIAPI *efi_key_notify_function)( + struct efi_key_data *keydata +); + +typedef efi_status_t (EFIAPI *efi_register_keystroke_notify)( + struct efi_simple_text_input_ex_protocol *this, + struct efi_key_data keydata, + efi_key_notify_function key_notification_function, + void **notify_handle +); + +typedef efi_status_t (EFIAPI *efi_unregister_keystroke_notify)( + struct efi_simple_text_input_ex_protocol *this, + void *notification_handle +); + +struct efi_simple_text_input_ex_protocol { + efi_input_reset_ex reset; + efi_input_read_key_ex read_key_stroke_ex; + void *wait_for_key_ex; + efi_set_state set_state; + efi_register_keystroke_notify register_key_notify; + efi_unregister_keystroke_notify unregister_key_notify; +}; + +#endif diff --git a/drivers/serial/serial_cadence.c b/drivers/serial/serial_cadence.c index 0501c400b1..6454888e3c 100644 --- a/drivers/serial/serial_cadence.c +++ b/drivers/serial/serial_cadence.c @@ -199,7 +199,7 @@ static void cadence_serial_flush(struct console_device *cdev) struct cadence_serial_priv, cdev); while ((readl(priv->regs + CADENCE_UART_CHANNEL_STS) & - CADENCE_STS_TEMPTY) != 0) + CADENCE_STS_TEMPTY) == 0) ; } diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 63d624e91b..e0ef4f5ef3 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -87,8 +87,7 @@ static int usb_stor_transport(struct us_blk_dev *usb_blkdev, struct device_d *dev = &us->pusb_dev->dev; int i, ret; - - for (i = 0; i < retries; i++) { + for (i = 0; i <= retries; i++) { dev_dbg(dev, "%s\n", usb_stor_opcode_name(cmd[0])); ret = us->transport(usb_blkdev, cmd, cmdlen, data, datalen); dev_dbg(dev, "%s returns %d\n", usb_stor_opcode_name(cmd[0]), @@ -105,6 +104,8 @@ static int usb_stor_transport(struct us_blk_dev *usb_blkdev, mdelay(request_sense_delay_ms); } + dev_dbg(dev, "Retried %s %d times, and failed.\n", usb_stor_opcode_name(cmd[0]), retries); + return -EIO; } @@ -194,7 +195,7 @@ static int usb_stor_io_10(struct us_blk_dev *usb_blkdev, u8 opcode, put_unaligned_be16(blocks, &cmd[7]); return usb_stor_transport(usb_blkdev, cmd, sizeof(cmd), data, - blocks * SECTOR_SIZE, 2, 0); + blocks * SECTOR_SIZE, 10, 0); } /*********************************************************************** diff --git a/drivers/watchdog/stpmic1_wdt.c b/drivers/watchdog/stpmic1_wdt.c index f79b7e8c27..9b7a586387 100644 --- a/drivers/watchdog/stpmic1_wdt.c +++ b/drivers/watchdog/stpmic1_wdt.c @@ -169,7 +169,10 @@ static int stpmic1_wdt_probe(struct device_d *dev) int ret; wdt = xzalloc(sizeof(*wdt)); - wdt->regmap = dev->parent->priv; + + wdt->regmap = dev_get_regmap(dev->parent, NULL); + if (IS_ERR(wdt->regmap)) + return PTR_ERR(wdt->regmap); wdd = &wdt->wdd; wdd->hwdev = dev; diff --git a/dts/Bindings/arm/rockchip.yaml b/dts/Bindings/arm/rockchip.yaml index c82c5e57d4..9c7e70335a 100644 --- a/dts/Bindings/arm/rockchip.yaml +++ b/dts/Bindings/arm/rockchip.yaml @@ -496,12 +496,12 @@ properties: - description: Theobroma Systems RK3368-uQ7 with Haikou baseboard items: - - const: tsd,rk3368-uq7-haikou + - const: tsd,rk3368-lion-haikou - const: rockchip,rk3368 - description: Theobroma Systems RK3399-Q7 with Haikou baseboard items: - - const: tsd,rk3399-q7-haikou + - const: tsd,rk3399-puma-haikou - const: rockchip,rk3399 - description: Tronsmart Orion R68 Meta diff --git a/dts/Bindings/interrupt-controller/atmel,aic.txt b/dts/Bindings/interrupt-controller/atmel,aic.txt index f4c5d34c41..7079d44bf3 100644 --- a/dts/Bindings/interrupt-controller/atmel,aic.txt +++ b/dts/Bindings/interrupt-controller/atmel,aic.txt @@ -1,8 +1,11 @@ * Advanced Interrupt Controller (AIC) Required properties: -- compatible: Should be "atmel,<chip>-aic" - <chip> can be "at91rm9200", "sama5d2", "sama5d3" or "sama5d4" +- compatible: Should be: + - "atmel,<chip>-aic" where <chip> can be "at91rm9200", "sama5d2", + "sama5d3" or "sama5d4" + - "microchip,<chip>-aic" where <chip> can be "sam9x60" + - interrupt-controller: Identifies the node as an interrupt controller. - #interrupt-cells: The number of cells to define the interrupts. It should be 3. The first cell is the IRQ number (aka "Peripheral IDentifier" on datasheet). diff --git a/dts/Bindings/media/allwinner,sun4i-a10-csi.yaml b/dts/Bindings/media/allwinner,sun4i-a10-csi.yaml index 27f38eed38..d3e423fcb6 100644 --- a/dts/Bindings/media/allwinner,sun4i-a10-csi.yaml +++ b/dts/Bindings/media/allwinner,sun4i-a10-csi.yaml @@ -1,7 +1,7 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- -$id: http://devicetree.org/schemas/arm/allwinner,sun4i-a10-csi.yaml# +$id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-csi.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Allwinner A10 CMOS Sensor Interface (CSI) Device Tree Bindings @@ -27,14 +27,12 @@ properties: clocks: items: - description: The CSI interface clock - - description: The CSI module clock - description: The CSI ISP clock - description: The CSI DRAM clock clock-names: items: - const: bus - - const: mod - const: isp - const: ram @@ -89,9 +87,8 @@ examples: compatible = "allwinner,sun7i-a20-csi0"; reg = <0x01c09000 0x1000>; interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI0>, - <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>; - clock-names = "bus", "mod", "isp", "ram"; + clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>; + clock-names = "bus", "isp", "ram"; resets = <&ccu RST_CSI0>; port { diff --git a/dts/Bindings/pinctrl/aspeed,ast2600-pinctrl.yaml b/dts/Bindings/pinctrl/aspeed,ast2600-pinctrl.yaml index f83d888176..064b7dfc42 100644 --- a/dts/Bindings/pinctrl/aspeed,ast2600-pinctrl.yaml +++ b/dts/Bindings/pinctrl/aspeed,ast2600-pinctrl.yaml @@ -33,13 +33,13 @@ patternProperties: allOf: - $ref: "/schemas/types.yaml#/definitions/string" - enum: [ ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14, ADC15, - ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, ESPI, - ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWSPIWP, GPIT0, GPIT1, - GPIT2, GPIT3, GPIT4, GPIT5, GPIT6, GPIT7, GPIU0, GPIU1, GPIU2, - GPIU3, GPIU4, GPIU5, GPIU6, GPIU7, I2C1, I2C10, I2C11, I2C12, - I2C13, I2C14, I2C15, I2C16, I2C2, I2C3, I2C4, I2C5, I2C6, I2C7, - I2C8, I2C9, I3C3, I3C4, I3C5, I3C6, JTAGM, LHPD, LHSIRQ, LPC, - LPCHC, LPCPD, LPCPME, LPCSMI, LSIRQ, MACLINK1, MACLINK2, + ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, EMMC, + ESPI, ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWSPIWP, GPIT0, + GPIT1, GPIT2, GPIT3, GPIT4, GPIT5, GPIT6, GPIT7, GPIU0, GPIU1, + GPIU2, GPIU3, GPIU4, GPIU5, GPIU6, GPIU7, I2C1, I2C10, I2C11, + I2C12, I2C13, I2C14, I2C15, I2C16, I2C2, I2C3, I2C4, I2C5, I2C6, + I2C7, I2C8, I2C9, I3C3, I3C4, I3C5, I3C6, JTAGM, LHPD, LHSIRQ, + LPC, LPCHC, LPCPD, LPCPME, LPCSMI, LSIRQ, MACLINK1, MACLINK2, MACLINK3, MACLINK4, MDIO1, MDIO2, MDIO3, MDIO4, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4, NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NRI1, NRI2, NRI3, NRI4, NRTS1, @@ -48,47 +48,45 @@ patternProperties: PWM8, PWM9, RGMII1, RGMII2, RGMII3, RGMII4, RMII1, RMII2, RMII3, RMII4, RXD1, RXD2, RXD3, RXD4, SALT1, SALT10, SALT11, SALT12, SALT13, SALT14, SALT15, SALT16, SALT2, SALT3, SALT4, SALT5, - SALT6, SALT7, SALT8, SALT9, SD1, SD2, SD3, SD3DAT4, SD3DAT5, - SD3DAT6, SD3DAT7, SGPM1, SGPS1, SIOONCTRL, SIOPBI, SIOPBO, - SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, SPI1ABR, SPI1CS1, - SPI1WP, SPI2, SPI2CS1, SPI2CS2, TACH0, TACH1, TACH10, TACH11, - TACH12, TACH13, TACH14, TACH15, TACH2, TACH3, TACH4, TACH5, - TACH6, TACH7, TACH8, TACH9, THRU0, THRU1, THRU2, THRU3, TXD1, - TXD2, TXD3, TXD4, UART10, UART11, UART12, UART13, UART6, UART7, - UART8, UART9, VB, VGAHS, VGAVS, WDTRST1, WDTRST2, WDTRST3, - WDTRST4, ] + SALT6, SALT7, SALT8, SALT9, SD1, SD2, SGPM1, SGPS1, SIOONCTRL, + SIOPBI, SIOPBO, SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, + SPI1ABR, SPI1CS1, SPI1WP, SPI2, SPI2CS1, SPI2CS2, TACH0, TACH1, + TACH10, TACH11, TACH12, TACH13, TACH14, TACH15, TACH2, TACH3, + TACH4, TACH5, TACH6, TACH7, TACH8, TACH9, THRU0, THRU1, THRU2, + THRU3, TXD1, TXD2, TXD3, TXD4, UART10, UART11, UART12, UART13, + UART6, UART7, UART8, UART9, VB, VGAHS, VGAVS, WDTRST1, WDTRST2, + WDTRST3, WDTRST4, ] groups: allOf: - $ref: "/schemas/types.yaml#/definitions/string" - enum: [ ADC0, ADC1, ADC10, ADC11, ADC12, ADC13, ADC14, ADC15, - ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, ESPI, - ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWQSPID, FWSPIWP, GPIT0, - GPIT1, GPIT2, GPIT3, GPIT4, GPIT5, GPIT6, GPIT7, GPIU0, GPIU1, - GPIU2, GPIU3, GPIU4, GPIU5, GPIU6, GPIU7, HVI3C3, HVI3C4, I2C1, - I2C10, I2C11, I2C12, I2C13, I2C14, I2C15, I2C16, I2C2, I2C3, - I2C4, I2C5, I2C6, I2C7, I2C8, I2C9, I3C3, I3C4, I3C5, I3C6, - JTAGM, LHPD, LHSIRQ, LPC, LPCHC, LPCPD, LPCPME, LPCSMI, LSIRQ, - MACLINK1, MACLINK2, MACLINK3, MACLINK4, MDIO1, MDIO2, MDIO3, - MDIO4, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1, NDCD2, NDCD3, NDCD4, - NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2, NDTR3, NDTR4, NRI1, - NRI2, NRI3, NRI4, NRTS1, NRTS2, NRTS3, NRTS4, OSCCLK, PEWAKE, - PWM0, PWM1, PWM10G0, PWM10G1, PWM11G0, PWM11G1, PWM12G0, PWM12G1, - PWM13G0, PWM13G1, PWM14G0, PWM14G1, PWM15G0, PWM15G1, PWM2, PWM3, - PWM4, PWM5, PWM6, PWM7, PWM8G0, PWM8G1, PWM9G0, PWM9G1, QSPI1, - QSPI2, RGMII1, RGMII2, RGMII3, RGMII4, RMII1, RMII2, RMII3, - RMII4, RXD1, RXD2, RXD3, RXD4, SALT1, SALT10G0, SALT10G1, - SALT11G0, SALT11G1, SALT12G0, SALT12G1, SALT13G0, SALT13G1, - SALT14G0, SALT14G1, SALT15G0, SALT15G1, SALT16G0, SALT16G1, - SALT2, SALT3, SALT4, SALT5, SALT6, SALT7, SALT8, SALT9G0, - SALT9G1, SD1, SD2, SD3, SD3DAT4, SD3DAT5, SD3DAT6, SD3DAT7, - SGPM1, SGPS1, SIOONCTRL, SIOPBI, SIOPBO, SIOPWREQ, SIOPWRGD, - SIOS3, SIOS5, SIOSCI, SPI1, SPI1ABR, SPI1CS1, SPI1WP, SPI2, - SPI2CS1, SPI2CS2, TACH0, TACH1, TACH10, TACH11, TACH12, TACH13, - TACH14, TACH15, TACH2, TACH3, TACH4, TACH5, TACH6, TACH7, TACH8, - TACH9, THRU0, THRU1, THRU2, THRU3, TXD1, TXD2, TXD3, TXD4, - UART10, UART11, UART12G0, UART12G1, UART13G0, UART13G1, UART6, - UART7, UART8, UART9, VB, VGAHS, VGAVS, WDTRST1, WDTRST2, WDTRST3, - WDTRST4, ] + ADC2, ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, EMMCG1, + EMMCG4, EMMCG8, ESPI, ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, + FWQSPID, FWSPIWP, GPIT0, GPIT1, GPIT2, GPIT3, GPIT4, GPIT5, + GPIT6, GPIT7, GPIU0, GPIU1, GPIU2, GPIU3, GPIU4, GPIU5, GPIU6, + GPIU7, HVI3C3, HVI3C4, I2C1, I2C10, I2C11, I2C12, I2C13, I2C14, + I2C15, I2C16, I2C2, I2C3, I2C4, I2C5, I2C6, I2C7, I2C8, I2C9, + I3C3, I3C4, I3C5, I3C6, JTAGM, LHPD, LHSIRQ, LPC, LPCHC, LPCPD, + LPCPME, LPCSMI, LSIRQ, MACLINK1, MACLINK2, MACLINK3, MACLINK4, + MDIO1, MDIO2, MDIO3, MDIO4, NCTS1, NCTS2, NCTS3, NCTS4, NDCD1, + NDCD2, NDCD3, NDCD4, NDSR1, NDSR2, NDSR3, NDSR4, NDTR1, NDTR2, + NDTR3, NDTR4, NRI1, NRI2, NRI3, NRI4, NRTS1, NRTS2, NRTS3, NRTS4, + OSCCLK, PEWAKE, PWM0, PWM1, PWM10G0, PWM10G1, PWM11G0, PWM11G1, + PWM12G0, PWM12G1, PWM13G0, PWM13G1, PWM14G0, PWM14G1, PWM15G0, + PWM15G1, PWM2, PWM3, PWM4, PWM5, PWM6, PWM7, PWM8G0, PWM8G1, + PWM9G0, PWM9G1, QSPI1, QSPI2, RGMII1, RGMII2, RGMII3, RGMII4, + RMII1, RMII2, RMII3, RMII4, RXD1, RXD2, RXD3, RXD4, SALT1, + SALT10G0, SALT10G1, SALT11G0, SALT11G1, SALT12G0, SALT12G1, + SALT13G0, SALT13G1, SALT14G0, SALT14G1, SALT15G0, SALT15G1, + SALT16G0, SALT16G1, SALT2, SALT3, SALT4, SALT5, SALT6, SALT7, + SALT8, SALT9G0, SALT9G1, SD1, SD2, SD3, SGPM1, SGPS1, SIOONCTRL, + SIOPBI, SIOPBO, SIOPWREQ, SIOPWRGD, SIOS3, SIOS5, SIOSCI, SPI1, + SPI1ABR, SPI1CS1, SPI1WP, SPI2, SPI2CS1, SPI2CS2, TACH0, TACH1, + TACH10, TACH11, TACH12, TACH13, TACH14, TACH15, TACH2, TACH3, + TACH4, TACH5, TACH6, TACH7, TACH8, TACH9, THRU0, THRU1, THRU2, + THRU3, TXD1, TXD2, TXD3, TXD4, UART10, UART11, UART12G0, + UART12G1, UART13G0, UART13G1, UART6, UART7, UART8, UART9, VB, + VGAHS, VGAVS, WDTRST1, WDTRST2, WDTRST3, WDTRST4, ] required: - compatible diff --git a/dts/Bindings/regulator/fixed-regulator.yaml b/dts/Bindings/regulator/fixed-regulator.yaml index a78150c47a..f324169681 100644 --- a/dts/Bindings/regulator/fixed-regulator.yaml +++ b/dts/Bindings/regulator/fixed-regulator.yaml @@ -30,8 +30,8 @@ if: properties: compatible: enum: - - const: regulator-fixed - - const: regulator-fixed-clock + - regulator-fixed + - regulator-fixed-clock regulator-name: true diff --git a/dts/Bindings/riscv/cpus.yaml b/dts/Bindings/riscv/cpus.yaml index b261a3015f..04819ad379 100644 --- a/dts/Bindings/riscv/cpus.yaml +++ b/dts/Bindings/riscv/cpus.yaml @@ -24,15 +24,17 @@ description: | properties: compatible: - items: - - enum: - - sifive,rocket0 - - sifive,e5 - - sifive,e51 - - sifive,u54-mc - - sifive,u54 - - sifive,u5 - - const: riscv + oneOf: + - items: + - enum: + - sifive,rocket0 + - sifive,e5 + - sifive,e51 + - sifive,u54-mc + - sifive,u54 + - sifive,u5 + - const: riscv + - const: riscv # Simulator only description: Identifies that the hart uses the RISC-V instruction set and identifies the type of the hart. @@ -66,12 +68,8 @@ properties: insensitive, letters in the riscv,isa string must be all lowercase to simplify parsing. - timebase-frequency: - type: integer - minimum: 1 - description: - Specifies the clock frequency of the system timer in Hz. - This value is common to all harts on a single system image. + # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here + timebase-frequency: false interrupt-controller: type: object @@ -93,7 +91,6 @@ properties: required: - riscv,isa - - timebase-frequency - interrupt-controller examples: diff --git a/dts/src/arc/hsdk.dts b/dts/src/arc/hsdk.dts index bfc7f5f5d6..9acbeba832 100644 --- a/dts/src/arc/hsdk.dts +++ b/dts/src/arc/hsdk.dts @@ -65,6 +65,14 @@ clock-frequency = <33333333>; }; + reg_5v0: regulator-5v0 { + compatible = "regulator-fixed"; + + regulator-name = "5v0-supply"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + cpu_intc: cpu-interrupt-controller { compatible = "snps,archs-intc"; interrupt-controller; @@ -264,6 +272,21 @@ clocks = <&input_clk>; cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>, <&creg_gpio 1 GPIO_ACTIVE_LOW>; + + spi-flash@0 { + compatible = "sst26wf016b", "jedec,spi-nor"; + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + spi-max-frequency = <4000000>; + }; + + adc@1 { + compatible = "ti,adc108s102"; + reg = <1>; + vref-supply = <®_5v0>; + spi-max-frequency = <1000000>; + }; }; creg_gpio: gpio@14b0 { diff --git a/dts/src/arm/am3874-iceboard.dts b/dts/src/arm/am3874-iceboard.dts index 883fb85135..1b4b2b0500 100644 --- a/dts/src/arm/am3874-iceboard.dts +++ b/dts/src/arm/am3874-iceboard.dts @@ -111,13 +111,13 @@ reg = <0x70>; #address-cells = <1>; #size-cells = <0>; + i2c-mux-idle-disconnect; i2c@0 { /* FMC A */ #address-cells = <1>; #size-cells = <0>; reg = <0>; - i2c-mux-idle-disconnect; }; i2c@1 { @@ -125,7 +125,6 @@ #address-cells = <1>; #size-cells = <0>; reg = <1>; - i2c-mux-idle-disconnect; }; i2c@2 { @@ -133,7 +132,6 @@ #address-cells = <1>; #size-cells = <0>; reg = <2>; - i2c-mux-idle-disconnect; }; i2c@3 { @@ -141,7 +139,6 @@ #address-cells = <1>; #size-cells = <0>; reg = <3>; - i2c-mux-idle-disconnect; }; i2c@4 { @@ -149,14 +146,12 @@ #address-cells = <1>; #size-cells = <0>; reg = <4>; - i2c-mux-idle-disconnect; }; i2c@5 { #address-cells = <1>; #size-cells = <0>; reg = <5>; - i2c-mux-idle-disconnect; ina230@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <5000>; }; ina230@41 { compatible = "ti,ina230"; reg = <0x41>; shunt-resistor = <5000>; }; @@ -182,14 +177,12 @@ #address-cells = <1>; #size-cells = <0>; reg = <6>; - i2c-mux-idle-disconnect; }; i2c@7 { #address-cells = <1>; #size-cells = <0>; reg = <7>; - i2c-mux-idle-disconnect; u41: pca9575@20 { compatible = "nxp,pca9575"; diff --git a/dts/src/arm/bcm2835-rpi-zero-w.dts b/dts/src/arm/bcm2835-rpi-zero-w.dts index 09a088f985..b75af21069 100644 --- a/dts/src/arm/bcm2835-rpi-zero-w.dts +++ b/dts/src/arm/bcm2835-rpi-zero-w.dts @@ -113,6 +113,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; + bus-width = <4>; mmc-pwrseq = <&wifi_pwrseq>; non-removable; status = "okay"; diff --git a/dts/src/arm/bcm2837-rpi-cm3.dtsi b/dts/src/arm/bcm2837-rpi-cm3.dtsi index 7c3cb7ece6..925cb37c22 100644 --- a/dts/src/arm/bcm2837-rpi-cm3.dtsi +++ b/dts/src/arm/bcm2837-rpi-cm3.dtsi @@ -9,6 +9,14 @@ reg = <0 0x40000000>; }; + leds { + /* + * Since there is no upstream GPIO driver yet, + * remove the incomplete node. + */ + /delete-node/ act; + }; + reg_3v3: fixed-regulator { compatible = "regulator-fixed"; regulator-name = "3V3"; diff --git a/dts/src/arm/imx6-logicpd-som.dtsi b/dts/src/arm/imx6-logicpd-som.dtsi index 7ceae35732..547fb141ec 100644 --- a/dts/src/arm/imx6-logicpd-som.dtsi +++ b/dts/src/arm/imx6-logicpd-som.dtsi @@ -207,6 +207,10 @@ vin-supply = <&sw1c_reg>; }; +&snvs_poweroff { + status = "okay"; +}; + &iomuxc { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_hog>; diff --git a/dts/src/arm/imx7s.dtsi b/dts/src/arm/imx7s.dtsi index 710f850e78..e2e604d6ba 100644 --- a/dts/src/arm/imx7s.dtsi +++ b/dts/src/arm/imx7s.dtsi @@ -448,7 +448,7 @@ compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; reg = <0x302d0000 0x10000>; interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7D_CLK_DUMMY>, + clocks = <&clks IMX7D_GPT1_ROOT_CLK>, <&clks IMX7D_GPT1_ROOT_CLK>; clock-names = "ipg", "per"; }; @@ -457,7 +457,7 @@ compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; reg = <0x302e0000 0x10000>; interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7D_CLK_DUMMY>, + clocks = <&clks IMX7D_GPT2_ROOT_CLK>, <&clks IMX7D_GPT2_ROOT_CLK>; clock-names = "ipg", "per"; status = "disabled"; @@ -467,7 +467,7 @@ compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; reg = <0x302f0000 0x10000>; interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7D_CLK_DUMMY>, + clocks = <&clks IMX7D_GPT3_ROOT_CLK>, <&clks IMX7D_GPT3_ROOT_CLK>; clock-names = "ipg", "per"; status = "disabled"; @@ -477,7 +477,7 @@ compatible = "fsl,imx7d-gpt", "fsl,imx6sx-gpt"; reg = <0x30300000 0x10000>; interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7D_CLK_DUMMY>, + clocks = <&clks IMX7D_GPT4_ROOT_CLK>, <&clks IMX7D_GPT4_ROOT_CLK>; clock-names = "ipg", "per"; status = "disabled"; diff --git a/dts/src/arm/logicpd-torpedo-som.dtsi b/dts/src/arm/logicpd-torpedo-som.dtsi index 3fdd0a72f8..506b118e51 100644 --- a/dts/src/arm/logicpd-torpedo-som.dtsi +++ b/dts/src/arm/logicpd-torpedo-som.dtsi @@ -192,3 +192,7 @@ &twl_gpio { ti,use-leds; }; + +&twl_keypad { + status = "disabled"; +}; diff --git a/dts/src/arm/mt7629-rfb.dts b/dts/src/arm/mt7629-rfb.dts index 3621b7d2b2..9980c10c6e 100644 --- a/dts/src/arm/mt7629-rfb.dts +++ b/dts/src/arm/mt7629-rfb.dts @@ -66,9 +66,21 @@ pinctrl-1 = <&ephy_leds_pins>; status = "okay"; + gmac0: mac@0 { + compatible = "mediatek,eth-mac"; + reg = <0>; + phy-mode = "2500base-x"; + fixed-link { + speed = <2500>; + full-duplex; + pause; + }; + }; + gmac1: mac@1 { compatible = "mediatek,eth-mac"; reg = <1>; + phy-mode = "gmii"; phy-handle = <&phy0>; }; @@ -78,7 +90,6 @@ phy0: ethernet-phy@0 { reg = <0>; - phy-mode = "gmii"; }; }; }; diff --git a/dts/src/arm/mt7629.dtsi b/dts/src/arm/mt7629.dtsi index 9608bc2ccb..867b88103b 100644 --- a/dts/src/arm/mt7629.dtsi +++ b/dts/src/arm/mt7629.dtsi @@ -468,14 +468,12 @@ compatible = "mediatek,mt7629-sgmiisys", "syscon"; reg = <0x1b128000 0x3000>; #clock-cells = <1>; - mediatek,physpeed = "2500"; }; sgmiisys1: syscon@1b130000 { compatible = "mediatek,mt7629-sgmiisys", "syscon"; reg = <0x1b130000 0x3000>; #clock-cells = <1>; - mediatek,physpeed = "2500"; }; }; }; diff --git a/dts/src/arm/omap4-droid4-xt894.dts b/dts/src/arm/omap4-droid4-xt894.dts index 4454449de0..a40fe8d49d 100644 --- a/dts/src/arm/omap4-droid4-xt894.dts +++ b/dts/src/arm/omap4-droid4-xt894.dts @@ -369,7 +369,7 @@ compatible = "ti,wl1285", "ti,wl1283"; reg = <2>; /* gpio_100 with gpmc_wait2 pad as wakeirq */ - interrupts-extended = <&gpio4 4 IRQ_TYPE_EDGE_RISING>, + interrupts-extended = <&gpio4 4 IRQ_TYPE_LEVEL_HIGH>, <&omap4_pmx_core 0x4e>; interrupt-names = "irq", "wakeup"; ref-clock-frequency = <26000000>; diff --git a/dts/src/arm/omap4-panda-common.dtsi b/dts/src/arm/omap4-panda-common.dtsi index 14be2ecb62..55ea8b6189 100644 --- a/dts/src/arm/omap4-panda-common.dtsi +++ b/dts/src/arm/omap4-panda-common.dtsi @@ -474,7 +474,7 @@ compatible = "ti,wl1271"; reg = <2>; /* gpio_53 with gpmc_ncs3 pad as wakeup */ - interrupts-extended = <&gpio2 21 IRQ_TYPE_EDGE_RISING>, + interrupts-extended = <&gpio2 21 IRQ_TYPE_LEVEL_HIGH>, <&omap4_pmx_core 0x3a>; interrupt-names = "irq", "wakeup"; ref-clock-frequency = <38400000>; diff --git a/dts/src/arm/omap4-sdp.dts b/dts/src/arm/omap4-sdp.dts index 3c274965ff..91480ac1f3 100644 --- a/dts/src/arm/omap4-sdp.dts +++ b/dts/src/arm/omap4-sdp.dts @@ -512,7 +512,7 @@ compatible = "ti,wl1281"; reg = <2>; interrupt-parent = <&gpio1>; - interrupts = <21 IRQ_TYPE_EDGE_RISING>; /* gpio 53 */ + interrupts = <21 IRQ_TYPE_LEVEL_HIGH>; /* gpio 53 */ ref-clock-frequency = <26000000>; tcxo-clock-frequency = <26000000>; }; diff --git a/dts/src/arm/omap4-var-som-om44-wlan.dtsi b/dts/src/arm/omap4-var-som-om44-wlan.dtsi index 6dbbc9b322..d003221310 100644 --- a/dts/src/arm/omap4-var-som-om44-wlan.dtsi +++ b/dts/src/arm/omap4-var-som-om44-wlan.dtsi @@ -69,7 +69,7 @@ compatible = "ti,wl1271"; reg = <2>; interrupt-parent = <&gpio2>; - interrupts = <9 IRQ_TYPE_EDGE_RISING>; /* gpio 41 */ + interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; /* gpio 41 */ ref-clock-frequency = <38400000>; }; }; diff --git a/dts/src/arm/omap5-board-common.dtsi b/dts/src/arm/omap5-board-common.dtsi index 7fff555ee3..68ac04641b 100644 --- a/dts/src/arm/omap5-board-common.dtsi +++ b/dts/src/arm/omap5-board-common.dtsi @@ -362,7 +362,7 @@ pinctrl-names = "default"; pinctrl-0 = <&wlcore_irq_pin>; interrupt-parent = <&gpio1>; - interrupts = <14 IRQ_TYPE_EDGE_RISING>; /* gpio 14 */ + interrupts = <14 IRQ_TYPE_LEVEL_HIGH>; /* gpio 14 */ ref-clock-frequency = <26000000>; }; }; diff --git a/dts/src/arm/omap54xx-clocks.dtsi b/dts/src/arm/omap54xx-clocks.dtsi index fac2e57dcc..4791834dac 100644 --- a/dts/src/arm/omap54xx-clocks.dtsi +++ b/dts/src/arm/omap54xx-clocks.dtsi @@ -1146,7 +1146,7 @@ }; }; - gpu_cm: clock-controller@1500 { + gpu_cm: gpu_cm@1500 { compatible = "ti,omap4-cm"; reg = <0x1500 0x100>; #address-cells = <1>; diff --git a/dts/src/arm/stm32mp157-pinctrl.dtsi b/dts/src/arm/stm32mp157-pinctrl.dtsi index e4a0d51ec3..0a3a7d6673 100644 --- a/dts/src/arm/stm32mp157-pinctrl.dtsi +++ b/dts/src/arm/stm32mp157-pinctrl.dtsi @@ -609,13 +609,13 @@ <STM32_PINMUX('F', 6, AF9)>; /* QSPI_BK1_IO3 */ bias-disable; drive-push-pull; - slew-rate = <3>; + slew-rate = <1>; }; pins2 { pinmux = <STM32_PINMUX('B', 6, AF10)>; /* QSPI_BK1_NCS */ bias-pull-up; drive-push-pull; - slew-rate = <3>; + slew-rate = <1>; }; }; @@ -637,13 +637,13 @@ <STM32_PINMUX('G', 7, AF11)>; /* QSPI_BK2_IO3 */ bias-disable; drive-push-pull; - slew-rate = <3>; + slew-rate = <1>; }; pins2 { pinmux = <STM32_PINMUX('C', 0, AF10)>; /* QSPI_BK2_NCS */ bias-pull-up; drive-push-pull; - slew-rate = <3>; + slew-rate = <1>; }; }; diff --git a/dts/src/arm/sun7i-a20.dtsi b/dts/src/arm/sun7i-a20.dtsi index 874231be04..8aebefd6ac 100644 --- a/dts/src/arm/sun7i-a20.dtsi +++ b/dts/src/arm/sun7i-a20.dtsi @@ -380,9 +380,8 @@ compatible = "allwinner,sun7i-a20-csi0"; reg = <0x01c09000 0x1000>; interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI0>, - <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>; - clock-names = "bus", "mod", "isp", "ram"; + clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>; + clock-names = "bus", "isp", "ram"; resets = <&ccu RST_CSI0>; status = "disabled"; }; diff --git a/dts/src/arm/vf610-zii-scu4-aib.dts b/dts/src/arm/vf610-zii-scu4-aib.dts index dc8a5f37a1..c8ebb23c4e 100644 --- a/dts/src/arm/vf610-zii-scu4-aib.dts +++ b/dts/src/arm/vf610-zii-scu4-aib.dts @@ -602,6 +602,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x70>; + i2c-mux-idle-disconnect; sff0_i2c: i2c@1 { #address-cells = <1>; @@ -640,6 +641,7 @@ reg = <0x71>; #address-cells = <1>; #size-cells = <0>; + i2c-mux-idle-disconnect; sff5_i2c: i2c@1 { #address-cells = <1>; diff --git a/dts/src/arm64/allwinner/sun50i-a64-pine64-plus.dts b/dts/src/arm64/allwinner/sun50i-a64-pine64-plus.dts index 24f1aac366..d5b6e8159a 100644 --- a/dts/src/arm64/allwinner/sun50i-a64-pine64-plus.dts +++ b/dts/src/arm64/allwinner/sun50i-a64-pine64-plus.dts @@ -63,3 +63,12 @@ reg = <1>; }; }; + +®_dc1sw { + /* + * Ethernet PHY needs 30ms to properly power up and some more + * to initialize. 100ms should be plenty of time to finish + * whole process. + */ + regulator-enable-ramp-delay = <100000>; +}; diff --git a/dts/src/arm64/allwinner/sun50i-a64-sopine-baseboard.dts b/dts/src/arm64/allwinner/sun50i-a64-sopine-baseboard.dts index e6fb9683f2..25099202c5 100644 --- a/dts/src/arm64/allwinner/sun50i-a64-sopine-baseboard.dts +++ b/dts/src/arm64/allwinner/sun50i-a64-sopine-baseboard.dts @@ -159,6 +159,12 @@ }; ®_dc1sw { + /* + * Ethernet PHY needs 30ms to properly power up and some more + * to initialize. 100ms should be plenty of time to finish + * whole process. + */ + regulator-enable-ramp-delay = <100000>; regulator-name = "vcc-phy"; }; diff --git a/dts/src/arm64/allwinner/sun50i-a64.dtsi b/dts/src/arm64/allwinner/sun50i-a64.dtsi index 3eccbdba71..70f4cce6be 100644 --- a/dts/src/arm64/allwinner/sun50i-a64.dtsi +++ b/dts/src/arm64/allwinner/sun50i-a64.dtsi @@ -142,15 +142,6 @@ clock-output-names = "ext-osc32k"; }; - pmu { - compatible = "arm,cortex-a53-pmu"; - interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>; - interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; - }; - psci { compatible = "arm,psci-0.2"; method = "smc"; diff --git a/dts/src/arm64/broadcom/stingray/stingray-pinctrl.dtsi b/dts/src/arm64/broadcom/stingray/stingray-pinctrl.dtsi index 8a3a770e8f..56789ccf94 100644 --- a/dts/src/arm64/broadcom/stingray/stingray-pinctrl.dtsi +++ b/dts/src/arm64/broadcom/stingray/stingray-pinctrl.dtsi @@ -42,13 +42,14 @@ pinmux: pinmux@14029c { compatible = "pinctrl-single"; - reg = <0x0014029c 0x250>; + reg = <0x0014029c 0x26c>; #address-cells = <1>; #size-cells = <1>; pinctrl-single,register-width = <32>; pinctrl-single,function-mask = <0xf>; pinctrl-single,gpio-range = < - &range 0 154 MODE_GPIO + &range 0 91 MODE_GPIO + &range 95 60 MODE_GPIO >; range: gpio-range { #pinctrl-single,gpio-range-cells = <3>; diff --git a/dts/src/arm64/broadcom/stingray/stingray.dtsi b/dts/src/arm64/broadcom/stingray/stingray.dtsi index 71e2e34400..0098dfdef9 100644 --- a/dts/src/arm64/broadcom/stingray/stingray.dtsi +++ b/dts/src/arm64/broadcom/stingray/stingray.dtsi @@ -464,8 +464,7 @@ <&pinmux 108 16 27>, <&pinmux 135 77 6>, <&pinmux 141 67 4>, - <&pinmux 145 149 6>, - <&pinmux 151 91 4>; + <&pinmux 145 149 6>; }; i2c1: i2c@e0000 { diff --git a/dts/src/arm64/freescale/fsl-lx2160a.dtsi b/dts/src/arm64/freescale/fsl-lx2160a.dtsi index 408e0ecdce..b032f3890c 100644 --- a/dts/src/arm64/freescale/fsl-lx2160a.dtsi +++ b/dts/src/arm64/freescale/fsl-lx2160a.dtsi @@ -33,7 +33,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster0_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@1 { @@ -49,7 +49,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster0_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@100 { @@ -65,7 +65,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster1_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@101 { @@ -81,7 +81,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster1_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@200 { @@ -97,7 +97,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster2_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@201 { @@ -113,7 +113,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster2_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@300 { @@ -129,7 +129,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster3_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@301 { @@ -145,7 +145,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster3_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@400 { @@ -161,7 +161,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster4_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@401 { @@ -177,7 +177,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster4_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@500 { @@ -193,7 +193,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster5_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@501 { @@ -209,7 +209,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster5_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@600 { @@ -225,7 +225,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster6_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@601 { @@ -241,7 +241,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster6_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@700 { @@ -257,7 +257,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster7_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cpu@701 { @@ -273,7 +273,7 @@ i-cache-line-size = <64>; i-cache-sets = <192>; next-level-cache = <&cluster7_l2>; - cpu-idle-states = <&cpu_pw20>; + cpu-idle-states = <&cpu_pw15>; }; cluster0_l2: l2-cache0 { @@ -340,9 +340,9 @@ cache-level = <2>; }; - cpu_pw20: cpu-pw20 { + cpu_pw15: cpu-pw15 { compatible = "arm,idle-state"; - idle-state-name = "PW20"; + idle-state-name = "PW15"; arm,psci-suspend-param = <0x0>; entry-latency-us = <2000>; exit-latency-us = <2000>; diff --git a/dts/src/arm64/freescale/imx8mm.dtsi b/dts/src/arm64/freescale/imx8mm.dtsi index 5f9d0da196..58b8cd06ca 100644 --- a/dts/src/arm64/freescale/imx8mm.dtsi +++ b/dts/src/arm64/freescale/imx8mm.dtsi @@ -694,7 +694,7 @@ compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b40000 0x10000>; interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MM_CLK_DUMMY>, + clocks = <&clk IMX8MM_CLK_IPG_ROOT>, <&clk IMX8MM_CLK_NAND_USDHC_BUS>, <&clk IMX8MM_CLK_USDHC1_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -710,7 +710,7 @@ compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b50000 0x10000>; interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MM_CLK_DUMMY>, + clocks = <&clk IMX8MM_CLK_IPG_ROOT>, <&clk IMX8MM_CLK_NAND_USDHC_BUS>, <&clk IMX8MM_CLK_USDHC2_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -724,7 +724,7 @@ compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b60000 0x10000>; interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MM_CLK_DUMMY>, + clocks = <&clk IMX8MM_CLK_IPG_ROOT>, <&clk IMX8MM_CLK_NAND_USDHC_BUS>, <&clk IMX8MM_CLK_USDHC3_ROOT>; clock-names = "ipg", "ahb", "per"; diff --git a/dts/src/arm64/freescale/imx8mn.dtsi b/dts/src/arm64/freescale/imx8mn.dtsi index 785f4c420f..98496f5707 100644 --- a/dts/src/arm64/freescale/imx8mn.dtsi +++ b/dts/src/arm64/freescale/imx8mn.dtsi @@ -569,7 +569,7 @@ compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b40000 0x10000>; interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MN_CLK_DUMMY>, + clocks = <&clk IMX8MN_CLK_IPG_ROOT>, <&clk IMX8MN_CLK_NAND_USDHC_BUS>, <&clk IMX8MN_CLK_USDHC1_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -585,7 +585,7 @@ compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b50000 0x10000>; interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MN_CLK_DUMMY>, + clocks = <&clk IMX8MN_CLK_IPG_ROOT>, <&clk IMX8MN_CLK_NAND_USDHC_BUS>, <&clk IMX8MN_CLK_USDHC2_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -599,7 +599,7 @@ compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc"; reg = <0x30b60000 0x10000>; interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MN_CLK_DUMMY>, + clocks = <&clk IMX8MN_CLK_IPG_ROOT>, <&clk IMX8MN_CLK_NAND_USDHC_BUS>, <&clk IMX8MN_CLK_USDHC3_ROOT>; clock-names = "ipg", "ahb", "per"; diff --git a/dts/src/arm64/freescale/imx8mq-zii-ultra.dtsi b/dts/src/arm64/freescale/imx8mq-zii-ultra.dtsi index af99473ada..087b5b6ebe 100644 --- a/dts/src/arm64/freescale/imx8mq-zii-ultra.dtsi +++ b/dts/src/arm64/freescale/imx8mq-zii-ultra.dtsi @@ -89,8 +89,8 @@ regulator-min-microvolt = <900000>; regulator-max-microvolt = <1000000>; gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; - states = <1000000 0x0 - 900000 0x1>; + states = <1000000 0x1 + 900000 0x0>; regulator-always-on; }; }; diff --git a/dts/src/arm64/freescale/imx8mq.dtsi b/dts/src/arm64/freescale/imx8mq.dtsi index 04115ca6bf..55a3d1c4bd 100644 --- a/dts/src/arm64/freescale/imx8mq.dtsi +++ b/dts/src/arm64/freescale/imx8mq.dtsi @@ -850,7 +850,7 @@ "fsl,imx7d-usdhc"; reg = <0x30b40000 0x10000>; interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MQ_CLK_DUMMY>, + clocks = <&clk IMX8MQ_CLK_IPG_ROOT>, <&clk IMX8MQ_CLK_NAND_USDHC_BUS>, <&clk IMX8MQ_CLK_USDHC1_ROOT>; clock-names = "ipg", "ahb", "per"; @@ -867,7 +867,7 @@ "fsl,imx7d-usdhc"; reg = <0x30b50000 0x10000>; interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clk IMX8MQ_CLK_DUMMY>, + clocks = <&clk IMX8MQ_CLK_IPG_ROOT>, <&clk IMX8MQ_CLK_NAND_USDHC_BUS>, <&clk IMX8MQ_CLK_USDHC2_ROOT>; clock-names = "ipg", "ahb", "per"; diff --git a/dts/src/arm64/marvell/armada-3720-turris-mox.dts b/dts/src/arm64/marvell/armada-3720-turris-mox.dts index d105986c6b..5f350cc71a 100644 --- a/dts/src/arm64/marvell/armada-3720-turris-mox.dts +++ b/dts/src/arm64/marvell/armada-3720-turris-mox.dts @@ -60,11 +60,6 @@ gpio = <&gpiosb 0 GPIO_ACTIVE_HIGH>; }; - usb3_phy: usb3-phy { - compatible = "usb-nop-xceiv"; - vcc-supply = <&exp_usb3_vbus>; - }; - vsdc_reg: vsdc-reg { compatible = "regulator-gpio"; regulator-name = "vsdc"; @@ -255,10 +250,16 @@ status = "okay"; }; +&comphy2 { + connector { + compatible = "usb-a-connector"; + phy-supply = <&exp_usb3_vbus>; + }; +}; + &usb3 { status = "okay"; phys = <&comphy2 0>; - usb-phy = <&usb3_phy>; }; &mdio { diff --git a/dts/src/arm64/rockchip/rk3399-gru-kevin.dts b/dts/src/arm64/rockchip/rk3399-gru-kevin.dts index e152b0ca02..b8066868a3 100644 --- a/dts/src/arm64/rockchip/rk3399-gru-kevin.dts +++ b/dts/src/arm64/rockchip/rk3399-gru-kevin.dts @@ -44,7 +44,7 @@ power-supply = <&pp3300_disp>; panel-timing { - clock-frequency = <266604720>; + clock-frequency = <266666667>; hactive = <2400>; hfront-porch = <48>; hback-porch = <84>; diff --git a/dts/src/arm64/rockchip/rk3399-hugsun-x99.dts b/dts/src/arm64/rockchip/rk3399-hugsun-x99.dts index 0d1f5f9a0d..c133e8d64b 100644 --- a/dts/src/arm64/rockchip/rk3399-hugsun-x99.dts +++ b/dts/src/arm64/rockchip/rk3399-hugsun-x99.dts @@ -644,7 +644,7 @@ status = "okay"; u2phy0_host: host-port { - phy-supply = <&vcc5v0_host>; + phy-supply = <&vcc5v0_typec>; status = "okay"; }; @@ -712,7 +712,7 @@ &usbdrd_dwc3_0 { status = "okay"; - dr_mode = "otg"; + dr_mode = "host"; }; &usbdrd3_1 { diff --git a/dts/src/arm64/rockchip/rk3399-rockpro64.dts b/dts/src/arm64/rockchip/rk3399-rockpro64.dts index 0401d4ec1f..e544deb61d 100644 --- a/dts/src/arm64/rockchip/rk3399-rockpro64.dts +++ b/dts/src/arm64/rockchip/rk3399-rockpro64.dts @@ -173,7 +173,7 @@ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <800000>; - regulator-max-microvolt = <1400000>; + regulator-max-microvolt = <1700000>; vin-supply = <&vcc5v0_sys>; }; }; @@ -247,8 +247,8 @@ rk808: pmic@1b { compatible = "rockchip,rk808"; reg = <0x1b>; - interrupt-parent = <&gpio1>; - interrupts = <21 IRQ_TYPE_LEVEL_LOW>; + interrupt-parent = <&gpio3>; + interrupts = <10 IRQ_TYPE_LEVEL_LOW>; #clock-cells = <1>; clock-output-names = "xin32k", "rk808-clkout2"; pinctrl-names = "default"; @@ -574,7 +574,7 @@ pmic { pmic_int_l: pmic-int-l { - rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>; + rockchip,pins = <3 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>; }; vsel1_gpio: vsel1-gpio { @@ -624,7 +624,6 @@ &sdmmc { bus-width = <4>; - cap-mmc-highspeed; cap-sd-highspeed; cd-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; disable-wp; @@ -636,8 +635,7 @@ &sdhci { bus-width = <8>; - mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; + mmc-hs200-1_8v; non-removable; status = "okay"; }; diff --git a/dts/src/riscv/sifive/hifive-unleashed-a00.dts b/dts/src/riscv/sifive/hifive-unleashed-a00.dts index 104d334511..88cfcb96bf 100644 --- a/dts/src/riscv/sifive/hifive-unleashed-a00.dts +++ b/dts/src/riscv/sifive/hifive-unleashed-a00.dts @@ -13,6 +13,7 @@ compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-c000"; chosen { + stdout-path = "serial0"; }; cpus { diff --git a/dts/src/xtensa/virt.dts b/dts/src/xtensa/virt.dts index a9dcd87b6e..611b98a02a 100644 --- a/dts/src/xtensa/virt.dts +++ b/dts/src/xtensa/virt.dts @@ -56,7 +56,7 @@ reg = <0xf0100000 0x03f00000>; // BUS_ADDRESS(3) CPU_PHYSICAL(1) SIZE(2) - ranges = <0x01000000 0x0 0xf0000000 0xf0000000 0x0 0x00010000>, + ranges = <0x01000000 0x0 0x00000000 0xf0000000 0x0 0x00010000>, <0x02000000 0x0 0xf4000000 0xf4000000 0x0 0x08000000>; // PCI_DEVICE(3) INT#(1) CONTROLLER(PHANDLE) CONTROLLER_DATA(2) diff --git a/fs/devfs-core.c b/fs/devfs-core.c index 258bb2dbaa..5341e39e67 100644 --- a/fs/devfs-core.c +++ b/fs/devfs-core.c @@ -104,7 +104,7 @@ struct cdev *cdev_by_partuuid(const char *partuuid) return NULL; list_for_each_entry(cdev, &cdev_list, list) { - if (!strcmp(cdev->partuuid, partuuid)) + if (!strcasecmp(cdev->partuuid, partuuid)) return cdev; } return NULL; diff --git a/fs/efivarfs.c b/fs/efivarfs.c index 1e80493621..9eadda4121 100644 --- a/fs/efivarfs.c +++ b/fs/efivarfs.c @@ -145,7 +145,7 @@ static int efivars_create(struct device_d *dev, const char *pathname, mode_t mod if (ret) return -ENOENT; - if (memcmp(&vendor, &EFI_BAREBOX_VENDOR_GUID, sizeof(efi_guid_t))) + if (efi_guidcmp(vendor, EFI_BAREBOX_VENDOR_GUID)) return -EPERM; inode = xzalloc(sizeof(*inode)); diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index 55e837b4bd..c9f27f1278 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -52,7 +52,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block(struct ext2_data *data index = (struct ext4_extent_idx *)(ext_block + 1); if (le16_to_cpu(ext_block->eh_magic) != EXT4_EXT_MAGIC) - return 0; + return NULL; if (ext_block->eh_depth == 0) return ext_block; @@ -64,7 +64,7 @@ static struct ext4_extent_header *ext4fs_get_extent_block(struct ext2_data *data } while (fileblock >= le32_to_cpu(index[i].ei_block)); if (--i < 0) - return 0; + return NULL; block = le16_to_cpu(index[i].ei_leaf_hi); block = (block << 32) + le32_to_cpu(index[i].ei_leaf_lo); @@ -167,10 +167,11 @@ long int read_allocated_block(struct ext2fs_node *node, int fileblock) log2_blksz = LOG2_EXT2_BLOCK_SIZE(node->data); if (le32_to_cpu(inode->flags) & EXT4_EXTENTS_FL) { + long int startblock, endblock; char *buf = zalloc(blksz); struct ext4_extent_header *ext_block; struct ext4_extent *extent; - int i = -1; + int i; if (!buf) return -ENOMEM; @@ -186,28 +187,27 @@ long int read_allocated_block(struct ext2fs_node *node, int fileblock) extent = (struct ext4_extent *)(ext_block + 1); - do { - i++; - if (i >= le16_to_cpu(ext_block->eh_entries)) - break; - } while (fileblock >= le32_to_cpu(extent[i].ee_block)); + for (i = 0; i < le16_to_cpu(ext_block->eh_entries); i++) { + startblock = le32_to_cpu(extent[i].ee_block); + endblock = startblock + le16_to_cpu(extent[i].ee_len); - if (--i >= 0) { - fileblock -= le32_to_cpu(extent[i].ee_block); - if (fileblock >= le16_to_cpu(extent[i].ee_len)) { + if (startblock > fileblock) { + /* Sparse file */ free(buf); return 0; } - start = le16_to_cpu(extent[i].ee_start_hi); - start = (start << 32) + + if (fileblock < endblock) { + start = le16_to_cpu(extent[i].ee_start_hi); + start = (start << 32) + le32_to_cpu(extent[i].ee_start_lo); - free(buf); - return fileblock + start; + free(buf); + return (fileblock - startblock) + start; + } } free(buf); - return -EIO; + return 0; } if (fileblock < INDIRECT_BLOCKS) { diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c index bfc5f27cc3..2d231d273a 100644 --- a/fs/ext4/ext4fs.c +++ b/fs/ext4/ext4fs.c @@ -55,12 +55,6 @@ int ext4fs_read_file(struct ext2fs_node *node, int pos, int log2blocksize = LOG2_EXT2_BLOCK_SIZE(node->data); int blocksize = 1 << (log2blocksize + DISK_SECTOR_BITS); unsigned int filesize = le32_to_cpu(node->inode.size); - int previous_block_number = -1; - int delayed_start = 0; - int delayed_extent = 0; - int delayed_skipfirst = 0; - int delayed_next = 0; - char *delayed_buf = NULL; short ret; struct ext_filesystem *fs = node->data->fs; @@ -75,6 +69,7 @@ int ext4fs_read_file(struct ext2fs_node *node, int pos, int blockoff = pos % blocksize; int blockend = blocksize; int skipfirst = 0; + blknr = read_allocated_block(node, i); if (blknr < 0) return blknr; @@ -95,59 +90,17 @@ int ext4fs_read_file(struct ext2fs_node *node, int pos, skipfirst = blockoff; blockend -= skipfirst; } + if (blknr) { - if (previous_block_number != -1) { - if (delayed_next == blknr) { - delayed_extent += blockend; - delayed_next += blockend >> SECTOR_BITS; - } else { /* spill */ - ret = ext4fs_devread(fs, delayed_start, - delayed_skipfirst, - delayed_extent, - delayed_buf); - if (ret) - return ret; - previous_block_number = blknr; - delayed_start = blknr; - delayed_extent = blockend; - delayed_skipfirst = skipfirst; - delayed_buf = buf; - delayed_next = blknr + - (blockend >> SECTOR_BITS); - } - } else { - previous_block_number = blknr; - delayed_start = blknr; - delayed_extent = blockend; - delayed_skipfirst = skipfirst; - delayed_buf = buf; - delayed_next = blknr + - (blockend >> SECTOR_BITS); - } + ret = ext4fs_devread(fs, blknr, skipfirst, blockend, buf); + if (ret) + return ret; } else { - if (previous_block_number != -1) { - /* spill */ - ret = ext4fs_devread(fs, delayed_start, - delayed_skipfirst, - delayed_extent, - delayed_buf); - if (ret) - return ret; - previous_block_number = -1; - } - memset(buf, 0, blocksize - skipfirst); + memset(buf, 0, blockend); } + buf += blocksize - skipfirst; } - if (previous_block_number != -1) { - /* spill */ - ret = ext4fs_devread(fs, delayed_start, - delayed_skipfirst, delayed_extent, - delayed_buf); - if (ret) - return ret; - previous_block_number = -1; - } return len; } diff --git a/fs/ubootvarfs.c b/fs/ubootvarfs.c index 81ec05d5ef..475e4b7a79 100644 --- a/fs/ubootvarfs.c +++ b/fs/ubootvarfs.c @@ -409,7 +409,7 @@ static void ubootvarfs_parse(struct ubootvarfs_data *data, char *blob, list_add_tail(&var->list, &data->var_list); } else { - pr_err("No separator in data @ 0x%08x. Skipped.", + pr_err("No separator in data @ 0x%08tx. Skipped.", blob - start); free(var); } diff --git a/include/efi.h b/include/efi.h index 218333f824..166803a58f 100644 --- a/include/efi.h +++ b/include/efi.h @@ -664,11 +664,6 @@ typedef union { efi_ipv6_address v6; } efi_ip_address; -static inline int efi_compare_guid(efi_guid_t *a, efi_guid_t *b) -{ - return memcmp(a, b, sizeof(efi_guid_t)); -} - struct efi_device_path *device_path_from_handle(efi_handle_t Handle); char *device_path_to_str(struct efi_device_path *dev_path); u8 device_path_to_type(struct efi_device_path *dev_path); diff --git a/include/efi/efi-device.h b/include/efi/efi-device.h index 15c293bb1b..5eaf1f260d 100644 --- a/include/efi/efi-device.h +++ b/include/efi/efi-device.h @@ -43,5 +43,6 @@ static inline int efi_driver_register(struct efi_driver *efidrv) int efi_connect_all(void); void efi_register_devices(void); +struct efi_device *efi_get_bootsource(void); #endif /* __EFI_EFI_DEVICE_H */ diff --git a/include/linux/mfd/stpmic1.h b/include/linux/mfd/stpmic1.h new file mode 100644 index 0000000000..3a8d6a7dcf --- /dev/null +++ b/include/linux/mfd/stpmic1.h @@ -0,0 +1,199 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) STMicroelectronics 2018 - All Rights Reserved + * Author: Philippe Peurichard <philippe.peurichard@st.com>, + * Pascal Paillet <p.paillet@st.com> for STMicroelectronics. + */ + +#ifndef __LINUX_MFD_STPMIC1_H +#define __LINUX_MFD_STPMIC1_H + +#define TURN_ON_SR 0x1 +#define TURN_OFF_SR 0x2 +#define ICC_LDO_TURN_OFF_SR 0x3 +#define ICC_BUCK_TURN_OFF_SR 0x4 +#define RREQ_STATE_SR 0x5 +#define VERSION_SR 0x6 + +#define SWOFF_PWRCTRL_CR 0x10 +#define PADS_PULL_CR 0x11 +#define BUCKS_PD_CR 0x12 +#define LDO14_PD_CR 0x13 +#define LDO56_VREF_PD_CR 0x14 +#define VBUS_DET_VIN_CR 0x15 +#define PKEY_TURNOFF_CR 0x16 +#define BUCKS_MASK_RANK_CR 0x17 +#define BUCKS_MASK_RESET_CR 0x18 +#define LDOS_MASK_RANK_CR 0x19 +#define LDOS_MASK_RESET_CR 0x1A +#define WCHDG_CR 0x1B +#define WCHDG_TIMER_CR 0x1C +#define BUCKS_ICCTO_CR 0x1D +#define LDOS_ICCTO_CR 0x1E + +#define BUCK1_ACTIVE_CR 0x20 +#define BUCK2_ACTIVE_CR 0x21 +#define BUCK3_ACTIVE_CR 0x22 +#define BUCK4_ACTIVE_CR 0x23 +#define VREF_DDR_ACTIVE_CR 0x24 +#define LDO1_ACTIVE_CR 0x25 +#define LDO2_ACTIVE_CR 0x26 +#define LDO3_ACTIVE_CR 0x27 +#define LDO4_ACTIVE_CR 0x28 +#define LDO5_ACTIVE_CR 0x29 +#define LDO6_ACTIVE_CR 0x2A + +#define BUCK1_STDBY_CR 0x30 +#define BUCK2_STDBY_CR 0x31 +#define BUCK3_STDBY_CR 0x32 +#define BUCK4_STDBY_CR 0x33 +#define VREF_DDR_STDBY_CR 0x34 +#define LDO1_STDBY_CR 0x35 +#define LDO2_STDBY_CR 0x36 +#define LDO3_STDBY_CR 0x37 +#define LDO4_STDBY_CR 0x38 +#define LDO5_STDBY_CR 0x39 +#define LDO6_STDBY_CR 0x3A + +#define BST_SW_CR 0x40 + +#define INT_PENDING_R1 0x50 +#define INT_PENDING_R2 0x51 +#define INT_PENDING_R3 0x52 +#define INT_PENDING_R4 0x53 + +#define INT_DBG_LATCH_R1 0x60 +#define INT_DBG_LATCH_R2 0x61 +#define INT_DBG_LATCH_R3 0x62 +#define INT_DBG_LATCH_R4 0x63 + +#define INT_CLEAR_R1 0x70 +#define INT_CLEAR_R2 0x71 +#define INT_CLEAR_R3 0x72 +#define INT_CLEAR_R4 0x73 + +#define INT_MASK_R1 0x80 +#define INT_MASK_R2 0x81 +#define INT_MASK_R3 0x82 +#define INT_MASK_R4 0x83 + +#define INT_SET_MASK_R1 0x90 +#define INT_SET_MASK_R2 0x91 +#define INT_SET_MASK_R3 0x92 +#define INT_SET_MASK_R4 0x93 + +#define INT_CLEAR_MASK_R1 0xA0 +#define INT_CLEAR_MASK_R2 0xA1 +#define INT_CLEAR_MASK_R3 0xA2 +#define INT_CLEAR_MASK_R4 0xA3 + +#define INT_SRC_R1 0xB0 +#define INT_SRC_R2 0xB1 +#define INT_SRC_R3 0xB2 +#define INT_SRC_R4 0xB3 + +#define PMIC_MAX_REGISTER_ADDRESS INT_SRC_R4 + +#define STPMIC1_PMIC_NUM_IRQ_REGS 4 + +#define TURN_OFF_SR_ICC_EVENT 0x08 + +#define LDO_VOLTAGE_MASK GENMASK(6, 2) +#define BUCK_VOLTAGE_MASK GENMASK(7, 2) +#define LDO_BUCK_VOLTAGE_SHIFT 2 + +#define LDO_ENABLE_MASK BIT(0) +#define BUCK_ENABLE_MASK BIT(0) + +#define BUCK_HPLP_ENABLE_MASK BIT(1) +#define BUCK_HPLP_SHIFT 1 + +#define STDBY_ENABLE_MASK BIT(0) + +#define BUCKS_PD_CR_REG_MASK GENMASK(7, 0) +#define BUCK_MASK_RANK_REGISTER_MASK GENMASK(3, 0) +#define BUCK_MASK_RESET_REGISTER_MASK GENMASK(3, 0) +#define LDO1234_PULL_DOWN_REGISTER_MASK GENMASK(7, 0) +#define LDO56_VREF_PD_CR_REG_MASK GENMASK(5, 0) +#define LDO_MASK_RANK_REGISTER_MASK GENMASK(5, 0) +#define LDO_MASK_RESET_REGISTER_MASK GENMASK(5, 0) + +#define BUCK1_PULL_DOWN_REG BUCKS_PD_CR +#define BUCK1_PULL_DOWN_MASK BIT(0) +#define BUCK2_PULL_DOWN_REG BUCKS_PD_CR +#define BUCK2_PULL_DOWN_MASK BIT(2) +#define BUCK3_PULL_DOWN_REG BUCKS_PD_CR +#define BUCK3_PULL_DOWN_MASK BIT(4) +#define BUCK4_PULL_DOWN_REG BUCKS_PD_CR +#define BUCK4_PULL_DOWN_MASK BIT(6) + +#define LDO1_PULL_DOWN_REG LDO14_PD_CR +#define LDO1_PULL_DOWN_MASK BIT(0) +#define LDO2_PULL_DOWN_REG LDO14_PD_CR +#define LDO2_PULL_DOWN_MASK BIT(2) +#define LDO3_PULL_DOWN_REG LDO14_PD_CR +#define LDO3_PULL_DOWN_MASK BIT(4) +#define LDO4_PULL_DOWN_REG LDO14_PD_CR +#define LDO4_PULL_DOWN_MASK BIT(6) +#define LDO5_PULL_DOWN_REG LDO56_VREF_PD_CR +#define LDO5_PULL_DOWN_MASK BIT(0) +#define LDO6_PULL_DOWN_REG LDO56_VREF_PD_CR +#define LDO6_PULL_DOWN_MASK BIT(2) +#define VREF_DDR_PULL_DOWN_REG LDO56_VREF_PD_CR +#define VREF_DDR_PULL_DOWN_MASK BIT(4) + +#define BUCKS_ICCTO_CR_REG_MASK GENMASK(6, 0) +#define LDOS_ICCTO_CR_REG_MASK GENMASK(5, 0) + +#define LDO_BYPASS_MASK BIT(7) + +/* Main PMIC Control Register + * SWOFF_PWRCTRL_CR + * Address : 0x10 + */ +#define ICC_EVENT_ENABLED BIT(4) +#define PWRCTRL_POLARITY_HIGH BIT(3) +#define PWRCTRL_PIN_VALID BIT(2) +#define RESTART_REQUEST_ENABLED BIT(1) +#define SOFTWARE_SWITCH_OFF_ENABLED BIT(0) + +/* Main PMIC PADS Control Register + * PADS_PULL_CR + * Address : 0x11 + */ +#define WAKEUP_DETECTOR_DISABLED BIT(4) +#define PWRCTRL_PD_ACTIVE BIT(3) +#define PWRCTRL_PU_ACTIVE BIT(2) +#define WAKEUP_PD_ACTIVE BIT(1) +#define PONKEY_PU_INACTIVE BIT(0) + +/* Main PMIC VINLOW Control Register + * VBUS_DET_VIN_CRC DMSC + * Address : 0x15 + */ +#define SWIN_DETECTOR_ENABLED BIT(7) +#define SWOUT_DETECTOR_ENABLED BIT(6) +#define VINLOW_ENABLED BIT(0) +#define VINLOW_CTRL_REG_MASK GENMASK(7, 0) + +/* USB Control Register + * Address : 0x40 + */ +#define BOOST_OVP_DISABLED BIT(7) +#define VBUS_OTG_DETECTION_DISABLED BIT(6) +#define SW_OUT_DISCHARGE BIT(5) +#define VBUS_OTG_DISCHARGE BIT(4) +#define OCP_LIMIT_HIGH BIT(3) +#define SWIN_SWOUT_ENABLED BIT(2) +#define USBSW_OTG_SWITCH_ENABLED BIT(1) +#define BOOST_ENABLED BIT(0) + +/* PKEY_TURNOFF_CR + * Address : 0x16 + */ +#define PONKEY_PWR_OFF BIT(7) +#define PONKEY_CC_FLAG_CLEAR BIT(6) +#define PONKEY_TURNOFF_TIMER_MASK GENMASK(3, 0) +#define PONKEY_TURNOFF_MASK GENMASK(7, 0) + +#endif /* __LINUX_MFD_STPMIC1_H */ diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h new file mode 100644 index 0000000000..bb8bc7c4e0 --- /dev/null +++ b/include/linux/regulator/machine.h @@ -0,0 +1,207 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * machine.h -- SoC Regulator support, machine/board driver API. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + * + * Regulator Machine/Board Interface. + */ + +#ifndef __LINUX_REGULATOR_MACHINE_H_ +#define __LINUX_REGULATOR_MACHINE_H_ + +#include <regulator.h> + +struct regulator; + +/* + * Regulator operation constraint flags. These flags are used to enable + * certain regulator operations and can be OR'ed together. + * + * VOLTAGE: Regulator output voltage can be changed by software on this + * board/machine. + * CURRENT: Regulator output current can be changed by software on this + * board/machine. + * MODE: Regulator operating mode can be changed by software on this + * board/machine. + * STATUS: Regulator can be enabled and disabled. + * DRMS: Dynamic Regulator Mode Switching is enabled for this regulator. + * BYPASS: Regulator can be put into bypass mode + */ + +#define REGULATOR_CHANGE_VOLTAGE 0x1 +#define REGULATOR_CHANGE_CURRENT 0x2 +#define REGULATOR_CHANGE_MODE 0x4 +#define REGULATOR_CHANGE_STATUS 0x8 +#define REGULATOR_CHANGE_DRMS 0x10 +#define REGULATOR_CHANGE_BYPASS 0x20 + +/* Regulator active discharge flags */ +enum regulator_active_discharge { + REGULATOR_ACTIVE_DISCHARGE_DEFAULT, + REGULATOR_ACTIVE_DISCHARGE_DISABLE, + REGULATOR_ACTIVE_DISCHARGE_ENABLE, +}; + +/** + * struct regulation_constraints - regulator operating constraints. + * + * This struct describes regulator and board/machine specific constraints. + * + * @name: Descriptive name for the constraints, used for display purposes. + * + * @min_uV: Smallest voltage consumers may set. + * @max_uV: Largest voltage consumers may set. + * @uV_offset: Offset applied to voltages from consumer to compensate for + * voltage drops. + * + * @min_uA: Smallest current consumers may set. + * @max_uA: Largest current consumers may set. + * @ilim_uA: Maximum input current. + * @system_load: Load that isn't captured by any consumer requests. + * + * @max_spread: Max possible spread between coupled regulators + * @valid_modes_mask: Mask of modes which may be configured by consumers. + * @valid_ops_mask: Operations which may be performed by consumers. + * + * @always_on: Set if the regulator should never be disabled. + * @boot_on: Set if the regulator is enabled when the system is initially + * started. If the regulator is not enabled by the hardware or + * bootloader then it will be enabled when the constraints are + * applied. + * @apply_uV: Apply the voltage constraint when initialising. + * @ramp_disable: Disable ramp delay when initialising or when setting voltage. + * @soft_start: Enable soft start so that voltage ramps slowly. + * @pull_down: Enable pull down when regulator is disabled. + * @over_current_protection: Auto disable on over current event. + * + * @input_uV: Input voltage for regulator when supplied by another regulator. + * + * @initial_mode: Mode to set at startup. + * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @settling_time: Time to settle down after voltage change when voltage + * change is non-linear (unit: microseconds). + * @settling_time_up: Time to settle down after voltage increase when voltage + * change is non-linear (unit: microseconds). + * @settling_time_down : Time to settle down after voltage decrease when + * voltage change is non-linear (unit: microseconds). + * @active_discharge: Enable/disable active discharge. The enum + * regulator_active_discharge values are used for + * initialisation. + * @enable_time: Turn-on time of the rails (unit: microseconds) + */ +struct regulation_constraints { + + const char *name; + + /* voltage output range (inclusive) - for voltage control */ + int min_uV; + int max_uV; + + int uV_offset; + + /* current output range (inclusive) - for current control */ + int min_uA; + int max_uA; + int ilim_uA; + + int system_load; + + /* used for coupled regulators */ + u32 *max_spread; + + /* used for changing voltage in steps */ + int max_uV_step; + + /* valid regulator operating modes for this machine */ + unsigned int valid_modes_mask; + + /* valid operations for regulator on this machine */ + unsigned int valid_ops_mask; + + /* regulator input voltage - only if supply is another regulator */ + int input_uV; + + /* mode to set on startup */ + unsigned int initial_mode; + + unsigned int ramp_delay; + unsigned int settling_time; + unsigned int settling_time_up; + unsigned int settling_time_down; + unsigned int enable_time; + + unsigned int active_discharge; + + /* constraint flags */ + unsigned always_on:1; /* regulator never off when system is on */ + unsigned boot_on:1; /* bootloader/firmware enabled regulator */ + unsigned apply_uV:1; /* apply uV constraint if min == max */ + unsigned ramp_disable:1; /* disable ramp delay */ + unsigned soft_start:1; /* ramp voltage slowly */ + unsigned pull_down:1; /* pull down resistor when regulator off */ + unsigned over_current_protection:1; /* auto disable on over current */ +}; + +/** + * struct regulator_consumer_supply - supply -> device mapping + * + * This maps a supply name to a device. Use of dev_name allows support for + * buses which make struct device available late such as I2C. + * + * @dev_name: Result of dev_name() for the consumer. + * @supply: Name for the supply. + */ +struct regulator_consumer_supply { + const char *dev_name; /* dev_name() for consumer */ + const char *supply; /* consumer supply - e.g. "vcc" */ +}; + +/* Initialize struct regulator_consumer_supply */ +#define REGULATOR_SUPPLY(_name, _dev_name) \ +{ \ + .supply = _name, \ + .dev_name = _dev_name, \ +} + +/** + * struct regulator_init_data - regulator platform initialisation data. + * + * Initialisation constraints, our supply and consumers supplies. + * + * @supply_regulator: Parent regulator. Specified using the regulator name + * as it appears in the name field in sysfs, which can + * be explicitly set using the constraints field 'name'. + * + * @constraints: Constraints. These must be specified for the regulator to + * be usable. + * @num_consumer_supplies: Number of consumer device supplies. + * @consumer_supplies: Consumer device supply configuration. + * + * @regulator_init: Callback invoked when the regulator has been registered. + * @driver_data: Data passed to regulator_init. + */ +struct regulator_init_data { + const char *supply_regulator; /* or NULL for system supply */ + + struct regulation_constraints constraints; + + int num_consumer_supplies; + struct regulator_consumer_supply *consumer_supplies; + + /* optional regulator machine specific init */ + int (*regulator_init)(void *driver_data); + void *driver_data; /* core does not touch this */ +}; + +#ifdef CONFIG_REGULATOR +void regulator_has_full_constraints(void); +#else +static inline void regulator_has_full_constraints(void) +{ +} +#endif + +#endif diff --git a/include/linux/regulator/of_regulator.h b/include/linux/regulator/of_regulator.h new file mode 100644 index 0000000000..265b98d1ee --- /dev/null +++ b/include/linux/regulator/of_regulator.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * OpenFirmware regulator support routines + */ + +#ifndef __LINUX_OF_REG_H +#define __LINUX_OF_REG_H + +#include <linux/types.h> + +struct device_d; +struct regulator_desc; + +struct of_regulator_match { + const char *name; + void *driver_data; + struct regulator_init_data *init_data; + struct device_node *of_node; + const struct regulator_desc *desc; +}; + +#if defined(CONFIG_OFDEVICE) +extern struct regulator_init_data + *of_get_regulator_init_data(struct device_d *dev, + struct device_node *node, + const struct regulator_desc *desc); +extern int of_regulator_match(struct device_d *dev, struct device_node *node, + struct of_regulator_match *matches, + unsigned int num_matches); +#else +static inline struct regulator_init_data + *of_get_regulator_init_data(struct device_d *dev, + struct device_node *node, + const struct regulator_desc *desc) +{ + return NULL; +} + +static inline int of_regulator_match(struct device_d *dev, + struct device_node *node, + struct of_regulator_match *matches, + unsigned int num_matches) +{ + return 0; +} +#endif /* CONFIG_OF */ + +#endif /* __LINUX_OF_REG_H */ diff --git a/include/param.h b/include/param.h index dea6990497..4ac502e726 100644 --- a/include/param.h +++ b/include/param.h @@ -264,8 +264,6 @@ static inline struct param_d *dev_add_param_bool_ro(struct device_d *dev, const } static inline struct param_d *dev_add_param_string_ro(struct device_d *dev, const char *name, - int (*set)(struct param_d *p, void *priv), - int (*get)(struct param_d *p, void *priv), char **value, void *priv) { return dev_add_param_string(dev, name, param_set_readonly, NULL, value, NULL); @@ -285,9 +283,7 @@ static inline struct param_d *dev_add_param_enum_ro(struct device_d *dev, const } static inline struct param_d *dev_add_param_bitmask_ro(struct device_d *dev, const char *name, - int (*set)(struct param_d *p, void *priv), - int (*get)(struct param_d *p, void *priv), - unsigned long *value, const char * const *names, int max, void *priv) + unsigned long *value, const char * const *names, int max) { return dev_add_param_bitmask(dev, name, param_set_readonly, NULL, value, names, max, NULL); diff --git a/include/regulator.h b/include/regulator.h index cd1d3ccf55..156acb82f8 100644 --- a/include/regulator.h +++ b/include/regulator.h @@ -4,6 +4,35 @@ /* struct regulator is an opaque object for consumers */ struct regulator; +/** + * struct regulator_desc - Static regulator descriptor + * + * Each regulator registered with the core is described with a + * structure of this type and a struct regulator_config. This + * structure contains the non-varying parts of the regulator + * description. + * + * @n_voltages: Number of selectors available for ops.list_voltage(). + * @ops: Regulator operations table. + * + * @min_uV: Voltage given by the lowest selector (if linear mapping) + * @uV_step: Voltage increase with each selector (if linear mapping) + * @linear_min_sel: Minimal selector for starting linear mapping + * + * @vsel_reg: Register for selector when using regulator_regmap_X_voltage_ + * @vsel_mask: Mask for register bitfield used for selector + * @apply_reg: Register for initiate voltage change on the output when + * using regulator_set_voltage_sel_regmap + * @apply_bit: Register bitfield used for initiate voltage change on the + * output when using regulator_set_voltage_sel_regmap + * @enable_reg: Register for control when using regmap enable/disable ops + * @enable_mask: Mask for control when using regmap enable/disable ops + * @enable_val: Enabling value for control when using regmap enable/disable ops + * @disable_val: Disabling value for control when using regmap enable/disable ops + * @enable_is_inverted: A flag to indicate set enable_mask bits to disable + * when using regulator_enable_regmap and friends APIs. + */ + struct regulator_desc { unsigned n_voltages; const struct regulator_ops *ops; @@ -21,6 +50,9 @@ struct regulator_desc { unsigned int enable_val; unsigned int disable_val; bool enable_is_inverted; + + const struct regulator_linear_range *linear_ranges; + int n_linear_ranges; }; struct regulator_dev { @@ -37,8 +69,36 @@ struct regulator_ops { int (*list_voltage) (struct regulator_dev *, unsigned int); int (*set_voltage_sel) (struct regulator_dev *, unsigned int); + int (*map_voltage)(struct regulator_dev *, int min_uV, int max_uV); +}; + +/* + * struct regulator_linear_range - specify linear voltage ranges + * + * Specify a range of voltages for regulator_map_linear_range() and + * regulator_list_linear_range(). + * + * @min_uV: Lowest voltage in range + * @min_sel: Lowest selector for range + * @max_sel: Highest selector for range + * @uV_step: Step size + */ +struct regulator_linear_range { + unsigned int min_uV; + unsigned int min_sel; + unsigned int max_sel; + unsigned int uV_step; }; +/* Initialize struct regulator_linear_range */ +#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ +{ \ + .min_uV = _min_uV, \ + .min_sel = _min_sel, \ + .max_sel = _max_sel, \ + .uV_step = _step_uV, \ +} + #ifdef CONFIG_OFDEVICE int of_regulator_register(struct regulator_dev *rd, struct device_node *node); #else @@ -65,8 +125,22 @@ int regulator_set_voltage_sel_regmap(struct regulator_dev *, unsigned); int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV); int regulator_map_voltage_linear(struct regulator_dev *rdev, int min_uV, int max_uV); +int regulator_map_voltage_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV); int regulator_list_voltage_linear(struct regulator_dev *rdev, unsigned int selector); +int regulator_list_voltage_linear_range(struct regulator_dev *rdev, + unsigned int selector); +int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev); +int regulator_map_voltage_iterate(struct regulator_dev *rdev, + int min_uV, int max_uV); + +/* + * Helper functions intended to be used by regulator drivers prior registering + * their regulators. + */ +int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, + unsigned int selector); #else static inline struct regulator *regulator_get(struct device_d *dev, const char *id) diff --git a/lib/libfile.c b/lib/libfile.c index 02078dd43d..5a1817e32a 100644 --- a/lib/libfile.c +++ b/lib/libfile.c @@ -332,7 +332,7 @@ int copy_file(const char *src, const char *dst, int verbose) { char *rw_buf = NULL; int srcfd = 0, dstfd = 0; - int r; + int r, s; int ret = 1, err1 = 0; int mode; int total = 0; @@ -343,22 +343,27 @@ int copy_file(const char *src, const char *dst, int verbose) srcfd = open(src, O_RDONLY); if (srcfd < 0) { printf("could not open %s: %s\n", src, errno_str()); + ret = srcfd; goto out; } mode = O_WRONLY | O_CREAT; - ret = stat(dst, &dststat); - if (ret && ret != -ENOENT) + s = stat(dst, &dststat); + if (s && s != -ENOENT) { + printf("could not stat %s: %s\n", dst, errno_str()); + ret = s; goto out; + } /* Set O_TRUNC only if file exist and is a regular file */ - if (!ret && S_ISREG(dststat.st_mode)) + if (!s && S_ISREG(dststat.st_mode)) mode |= O_TRUNC; dstfd = open(dst, mode); if (dstfd < 0) { printf("could not open %s: %s\n", dst, errno_str()); + ret = dstfd; goto out; } @@ -373,12 +378,14 @@ int copy_file(const char *src, const char *dst, int verbose) r = read(srcfd, rw_buf, RW_BUF_SIZE); if (r < 0) { perror("read"); + ret = r; goto out; } if (!r) break; - if (write_full(dstfd, rw_buf, r) < 0) { + ret = write_full(dstfd, rw_buf, r); + if (ret < 0) { perror("write"); goto out; } diff --git a/lib/parameter.c b/lib/parameter.c index 00e9a9ff4e..fdbb2e71d1 100644 --- a/lib/parameter.c +++ b/lib/parameter.c @@ -253,11 +253,14 @@ static int param_string_set(struct device_d *dev, struct param_d *p, const char struct param_string *ps = to_param_string(p); int ret; char *value_save = *ps->value; + char *value_new; if (!val) val = ""; - *ps->value = xstrdup(val); + value_new = xstrdup(val); + value_new = strim(value_new); + *ps->value = value_new; if (!ps->set) return 0; diff --git a/lib/readline.c b/lib/readline.c index d026af1104..3d16c1838c 100644 --- a/lib/readline.c +++ b/lib/readline.c @@ -290,9 +290,17 @@ int readline(const char *prompt, char *buf, int len) insert = !insert; break; case BB_KEY_ERASE_LINE: + BEGINNING_OF_LINE(); + ERASE_TO_EOL(); + break; case CTL_CH('u'): + wlen = eol_num - num; + memmove(buf, buf+num, wlen); BEGINNING_OF_LINE(); ERASE_TO_EOL(); + eol_num = wlen; + REFRESH_TO_EOL(); + BEGINNING_OF_LINE(); break; case DEL: case BB_KEY_DEL7: diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index fe0de87240..919f286162 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -134,11 +134,6 @@ cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3)) ld-option = $(call try-run,\ $(CC) -x c /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2)) -# ar-option -# Usage: KBUILD_ARFLAGS := $(call ar-option,D) -# Important: no spaces around options -ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2)) - ###### ### |