diff options
Diffstat (limited to 'arch/arm')
20 files changed, 378 insertions, 89 deletions
diff --git a/arch/arm/boards/beagle/Makefile b/arch/arm/boards/beagle/Makefile index 01c7a259e9..3bee9a22ab 100644 --- a/arch/arm/boards/beagle/Makefile +++ b/arch/arm/boards/beagle/Makefile @@ -1,2 +1,3 @@ obj-y += board.o lwl-y += lowlevel.o +bbenv-y += defaultenv-beagle diff --git a/arch/arm/boards/beagle/board.c b/arch/arm/boards/beagle/board.c index c56205e05c..4ac9517dbe 100644 --- a/arch/arm/boards/beagle/board.c +++ b/arch/arm/boards/beagle/board.c @@ -24,6 +24,7 @@ #include <bbu.h> #include <filetype.h> #include <ns16550.h> +#include <envfs.h> #include <asm/armlinux.h> #include <generated/mach-types.h> #include <mach/gpmc.h> @@ -33,6 +34,7 @@ #include <i2c/i2c.h> #include <linux/err.h> #include <usb/ehci.h> +#include <asm/barebox-arm.h> #ifdef CONFIG_DRIVER_SERIAL_NS16550 @@ -44,6 +46,9 @@ */ static int beagle_console_init(void) { + if (barebox_arm_machine() != MACH_TYPE_OMAP3_BEAGLE) + return 0; + barebox_set_model("Texas Instruments beagle"); barebox_set_hostname("beagle"); @@ -84,6 +89,9 @@ static struct gpmc_nand_platform_data nand_plat = { static int beagle_mem_init(void) { + if (barebox_arm_machine() != MACH_TYPE_OMAP3_BEAGLE) + return 0; + omap_add_ram0(SZ_128M); return 0; @@ -92,6 +100,9 @@ mem_initcall(beagle_mem_init); static int beagle_devices_init(void) { + if (barebox_arm_machine() != MACH_TYPE_OMAP3_BEAGLE) + return 0; + i2c_register_board_info(0, i2c_devices, ARRAY_SIZE(i2c_devices)); omap3_add_i2c1(NULL); @@ -114,6 +125,8 @@ static int beagle_devices_init(void) bbu_register_std_file_update("nand", 0, "/dev/nand0.barebox.bb", filetype_arm_barebox); + defaultenv_append_directory(defaultenv_beagle); + return 0; } device_initcall(beagle_devices_init); diff --git a/arch/arm/boards/beagle/env/boot/mmc b/arch/arm/boards/beagle/defaultenv-beagle/boot/mmc index db638f8cf8..db638f8cf8 100644 --- a/arch/arm/boards/beagle/env/boot/mmc +++ b/arch/arm/boards/beagle/defaultenv-beagle/boot/mmc diff --git a/arch/arm/boards/beagle/env/boot/nand-ubi b/arch/arm/boards/beagle/defaultenv-beagle/boot/nand-ubi index e0ef904432..e0ef904432 100644 --- a/arch/arm/boards/beagle/env/boot/nand-ubi +++ b/arch/arm/boards/beagle/defaultenv-beagle/boot/nand-ubi diff --git a/arch/arm/boards/beagle/env/boot/nand-ubi-dt b/arch/arm/boards/beagle/defaultenv-beagle/boot/nand-ubi-dt index 5fc0a6c53a..5fc0a6c53a 100644 --- a/arch/arm/boards/beagle/env/boot/nand-ubi-dt +++ b/arch/arm/boards/beagle/defaultenv-beagle/boot/nand-ubi-dt diff --git a/arch/arm/boards/beagle/env/init/mtdparts-nand b/arch/arm/boards/beagle/defaultenv-beagle/init/mtdparts-nand index 9335bb17a3..9335bb17a3 100644 --- a/arch/arm/boards/beagle/env/init/mtdparts-nand +++ b/arch/arm/boards/beagle/defaultenv-beagle/init/mtdparts-nand diff --git a/arch/arm/boards/beagle/env/network/eth0-discover b/arch/arm/boards/beagle/defaultenv-beagle/network/eth0-discover index 86d13f5c43..86d13f5c43 100644 --- a/arch/arm/boards/beagle/env/network/eth0-discover +++ b/arch/arm/boards/beagle/defaultenv-beagle/network/eth0-discover diff --git a/arch/arm/boards/beagle/lowlevel.c b/arch/arm/boards/beagle/lowlevel.c index d6e6b9f91c..30cc1f2c54 100644 --- a/arch/arm/boards/beagle/lowlevel.c +++ b/arch/arm/boards/beagle/lowlevel.c @@ -1,4 +1,5 @@ #include <init.h> +#include <debug_ll.h> #include <io.h> #include <linux/sizes.h> #include <asm/barebox-arm-head.h> @@ -11,6 +12,7 @@ #include <mach/sdrc.h> #include <mach/syslib.h> #include <mach/sys_info.h> +#include <generated/mach-types.h> /** * @brief Do the pin muxing required for Board operation. @@ -157,6 +159,22 @@ static void sdrc_init(void) return; } +static noinline int beagle_board_init_sdram(void) +{ + struct barebox_arm_boarddata *bd = (void *)OMAP3_SRAM_SCRATCH_SPACE + 0x10; + + boarddata_create(bd, MACH_TYPE_OMAP3_BEAGLE); + + barebox_arm_entry(0x80000000, SZ_128M, bd); +} + +ENTRY_FUNCTION(start_omap3_beagleboard_sdram, bootinfo, r1, r2) +{ + omap3_save_bootinfo((void *)bootinfo); + + beagle_board_init_sdram(); +} + /** * @brief The basic entry point for board initialization. * @@ -166,28 +184,37 @@ static void sdrc_init(void) * * @return void */ -static int beagle_board_init(void) +static noinline int beagle_board_init(void) { int in_sdram = omap3_running_in_sdram(); + struct barebox_arm_boarddata bd; if (!in_sdram) omap3_core_init(); mux_config(); + + omap_uart_lowlevel_init((void *)OMAP3_UART3_BASE); + /* Dont reconfigure SDRAM while running in SDRAM! */ if (!in_sdram) sdrc_init(); - return 0; + boarddata_create(&bd, MACH_TYPE_OMAP3_BEAGLE); + + barebox_arm_entry(0x80000000, SZ_128M, &bd); } -void __naked __bare_init barebox_arm_reset_vector(uint32_t *data) +ENTRY_FUNCTION(start_omap3_beagleboard_sram, bootinfo, r1, r2) { - omap3_save_bootinfo(data); + omap3_save_bootinfo((void *)bootinfo); arm_cpu_lowlevel_init(); - beagle_board_init(); + omap3_gp_romcode_call(OMAP3_GP_ROMCODE_API_L2_INVAL, 0); + + relocate_to_current_adr(); + setup_c(); - barebox_arm_entry(0x80000000, SZ_128M, NULL); + beagle_board_init(); } diff --git a/arch/arm/configs/omap3530_beagle_defconfig b/arch/arm/configs/omap3530_beagle_defconfig index 3068fbb94b..070f1566ee 100644 --- a/arch/arm/configs/omap3530_beagle_defconfig +++ b/arch/arm/configs/omap3530_beagle_defconfig @@ -1,67 +1,79 @@ CONFIG_ARCH_OMAP=y +CONFIG_OMAP_MULTI_BOARDS=y CONFIG_MACH_BEAGLE=y CONFIG_THUMB2_BAREBOX=y -CONFIG_CMD_ARM_MMUINFO=y CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y CONFIG_ARM_UNWIND=y -CONFIG_PBL_IMAGE=y CONFIG_MMU=y -CONFIG_TEXT_BASE=0x87e00000 -CONFIG_MALLOC_SIZE=0x2000000 +CONFIG_TEXT_BASE=0x0 +CONFIG_MALLOC_SIZE=0x0 CONFIG_MALLOC_TLSF=y CONFIG_KALLSYMS=y +CONFIG_RELOCATABLE=y CONFIG_PROMPT="barebox> " -CONFIG_LONGHELP=y CONFIG_HUSH_FANCY_PROMPT=y CONFIG_CMDLINE_EDITING=y CONFIG_AUTO_COMPLETE=y CONFIG_MENU=y +CONFIG_BLSPEC=y +CONFIG_IMD_TARGET=y CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y -CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/beagle/env" -CONFIG_CMD_EDIT=y -CONFIG_CMD_SLEEP=y -CONFIG_CMD_MSLEEP=y -CONFIG_CMD_SAVEENV=y -CONFIG_CMD_EXPORT=y -CONFIG_CMD_PRINTENV=y -CONFIG_CMD_READLINE=y -CONFIG_CMD_MENU=y -CONFIG_CMD_MENU_MANAGEMENT=y -CONFIG_CMD_TIME=y -CONFIG_CMD_DIRNAME=y -CONFIG_CMD_LN=y -CONFIG_CMD_READLINK=y -CONFIG_CMD_TFTP=y -CONFIG_CMD_ECHO_E=y -CONFIG_CMD_LOADB=y -CONFIG_CMD_MEMINFO=y +CONFIG_RESET_SOURCE=y +CONFIG_DEBUG_LL=y +CONFIG_DEBUG_OMAP_UART_PORT=3 +CONFIG_DEBUG_INITCALLS=y +CONFIG_CMD_DMESG=y +CONFIG_LONGHELP=y CONFIG_CMD_IOMEM=y -CONFIG_CMD_CRC=y -CONFIG_CMD_CRC_CMP=y -CONFIG_CMD_MD5SUM=y -CONFIG_CMD_FLASH=y +CONFIG_CMD_IMD=y +CONFIG_CMD_MEMINFO=y +CONFIG_CMD_ARM_MMUINFO=y CONFIG_CMD_BOOTM_SHOW_TYPE=y CONFIG_CMD_BOOTM_VERBOSE=y CONFIG_CMD_BOOTM_INITRD=y CONFIG_CMD_BOOTM_OFTREE=y CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y # CONFIG_CMD_BOOTU is not set -CONFIG_CMD_RESET=y CONFIG_CMD_GO=y -CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_LOADB=y +CONFIG_CMD_RESET=y CONFIG_CMD_PARTITION=y +CONFIG_CMD_EXPORT=y +CONFIG_CMD_DEFAULTENV=y +CONFIG_CMD_PRINTENV=y CONFIG_CMD_MAGICVAR=y CONFIG_CMD_MAGICVAR_HELP=y -CONFIG_CMD_GPIO=y +CONFIG_CMD_SAVEENV=y +CONFIG_CMD_FILETYPE=y +CONFIG_CMD_LN=y +CONFIG_CMD_MD5SUM=y CONFIG_CMD_UNCOMPRESS=y -CONFIG_CMD_I2C=y +CONFIG_CMD_MSLEEP=y +CONFIG_CMD_READF=y +CONFIG_CMD_SLEEP=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_HOST=y CONFIG_CMD_MIITOOL=y +CONFIG_CMD_PING=y +CONFIG_CMD_TFTP=y +CONFIG_CMD_ECHO_E=y +CONFIG_CMD_EDIT=y +CONFIG_CMD_MENU=y +CONFIG_CMD_MENU_MANAGEMENT=y +CONFIG_CMD_MENUTREE=y +CONFIG_CMD_READLINE=y +CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_CRC=y +CONFIG_CMD_CRC_CMP=y +CONFIG_CMD_DETECT=y +CONFIG_CMD_FLASH=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_I2C=y +CONFIG_CMD_BAREBOX_UPDATE=y +CONFIG_CMD_TIME=y CONFIG_NET=y -CONFIG_CMD_DHCP=y CONFIG_NET_NFS=y -CONFIG_CMD_PING=y CONFIG_NET_NETCONSOLE=y -CONFIG_NET_RESOLV=y CONFIG_DRIVER_SERIAL_NS16550=y CONFIG_DRIVER_SERIAL_NS16550_OMAP_EXTENSIONS=y CONFIG_NET_USB=y @@ -81,6 +93,7 @@ CONFIG_MCI=y CONFIG_MCI_STARTUP=y CONFIG_MCI_OMAP_HSMMC=y CONFIG_MFD_TWL4030=y +CONFIG_FS_EXT4=y CONFIG_FS_TFTP=y CONFIG_FS_NFS=y CONFIG_FS_FAT=y diff --git a/arch/arm/configs/omap3530_beagle_xload_defconfig b/arch/arm/configs/omap3530_beagle_xload_defconfig index 585ee0f1d1..074cc2116b 100644 --- a/arch/arm/configs/omap3530_beagle_xload_defconfig +++ b/arch/arm/configs/omap3530_beagle_xload_defconfig @@ -1,21 +1,25 @@ CONFIG_ARCH_OMAP=y CONFIG_OMAP_BUILD_IFT=y +CONFIG_OMAP3_USBBOOT=y +CONFIG_OMAP3_USB_LOADER=y +CONFIG_OMAP_MULTI_BOARDS=y CONFIG_MACH_BEAGLE=y CONFIG_THUMB2_BAREBOX=y -# CONFIG_CMD_ARM_CPUINFO is not set -# CONFIG_ARM_EXCEPTIONS is not set -CONFIG_TEXT_BASE=0x40200000 -CONFIG_MEMORY_LAYOUT_FIXED=y -CONFIG_STACK_BASE=0x4020F000 +CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y +CONFIG_ARM_UNWIND=y +CONFIG_MMU=y +CONFIG_TEXT_BASE=0x0 CONFIG_STACK_SIZE=0xc00 -CONFIG_MALLOC_BASE=0x87BFFF10 +CONFIG_MALLOC_SIZE=0x0 CONFIG_MALLOC_DUMMY=y +CONFIG_RELOCATABLE=y CONFIG_PROMPT="X-load Beagle>" CONFIG_SHELL_NONE=y # CONFIG_ERRNO_MESSAGES is not set # CONFIG_TIMESTAMP is not set CONFIG_CONSOLE_SIMPLE=y # CONFIG_DEFAULT_ENVIRONMENT is not set +CONFIG_OFDEVICE=y CONFIG_DRIVER_SERIAL_NS16550=y CONFIG_DRIVER_SERIAL_NS16550_OMAP_EXTENSIONS=y # CONFIG_SPI is not set @@ -33,6 +37,7 @@ CONFIG_MCI=y CONFIG_MCI_STARTUP=y # CONFIG_MCI_WRITE is not set CONFIG_MCI_OMAP_HSMMC=y +# CONFIG_PINCTRL is not set # CONFIG_FS_RAMFS is not set # CONFIG_FS_DEVFS is not set CONFIG_FS_FAT=y diff --git a/arch/arm/configs/phytec-phycard-omap3_defconfig b/arch/arm/configs/phytec-phycard-omap3_defconfig index a2564d4459..5865ebd8b9 100644 --- a/arch/arm/configs/phytec-phycard-omap3_defconfig +++ b/arch/arm/configs/phytec-phycard-omap3_defconfig @@ -7,7 +7,6 @@ CONFIG_CPU_V7=y CONFIG_CPU_32v7=y CONFIG_ARCH_OMAP3=y CONFIG_OMAP_CLOCK_SOURCE_S32K=y -CONFIG_OMAP3_CLOCK_CONFIG=y CONFIG_OMAP3_COPY_CLOCK_SRAM=n CONFIG_OMAP_GPMC=y CONFIG_MACH_PCAAL1=y diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c index 91fd9b987b..8e5097b560 100644 --- a/arch/arm/cpu/start.c +++ b/arch/arm/cpu/start.c @@ -28,17 +28,22 @@ #include <asm/cache.h> #include <memory.h> +#include <debug_ll.h> #include "mmu-early.h" unsigned long arm_stack_top; static void *barebox_boarddata; -/* - * return the boarddata variable passed to barebox_arm_entry - */ -void *barebox_arm_boarddata(void) +u32 barebox_arm_machine(void) { - return barebox_boarddata; + struct barebox_arm_boarddata *bd; + + if (!barebox_boarddata) + return 0; + + bd = barebox_boarddata; + + return bd->machine; } static void *barebox_boot_dtb; @@ -83,17 +88,23 @@ static noinline __noreturn void __start(unsigned long membase, } } - /* - * If boarddata is a pointer inside valid memory and contains a - * FDT magic then use it as later to probe devices - */ - if (boarddata && get_unaligned_be32(boarddata) == FDT_MAGIC) { - uint32_t totalsize = get_unaligned_be32(boarddata + 4); - endmem -= ALIGN(totalsize, 64); - barebox_boot_dtb = (void *)endmem; - pr_debug("found DTB in boarddata, copying to 0x%p\n", - barebox_boot_dtb); - memcpy(barebox_boot_dtb, boarddata, totalsize); + if (boarddata) { + if (get_unaligned_be32(boarddata) == FDT_MAGIC) { + uint32_t totalsize = get_unaligned_be32(boarddata + 4); + endmem -= ALIGN(totalsize, 64); + barebox_boot_dtb = (void *)endmem; + pr_debug("found DTB in boarddata, copying to 0x%p\n", + barebox_boot_dtb); + memcpy(barebox_boot_dtb, boarddata, totalsize); + } else if (((struct barebox_arm_boarddata *)boarddata)->magic == + BAREBOX_ARM_BOARDDATA_MAGIC) { + endmem -= ALIGN(sizeof(struct barebox_arm_boarddata), 64); + barebox_boarddata = (void *)endmem; + pr_debug("found machine type in boarddata, copying to 0x%p\n", + barebox_boarddata); + memcpy(barebox_boarddata, boarddata, + sizeof(struct barebox_arm_boarddata)); + } } if ((unsigned long)_text > membase + memsize || diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h index dbc8aaaba7..0b8acb8b8e 100644 --- a/arch/arm/include/asm/barebox-arm.h +++ b/arch/arm/include/asm/barebox-arm.h @@ -48,7 +48,32 @@ void setup_c(void); void relocate_to_current_adr(void); void relocate_to_adr(unsigned long target); void __noreturn barebox_arm_entry(unsigned long membase, unsigned long memsize, void *boarddata); -void *barebox_arm_boarddata(void); + +struct barebox_arm_boarddata { +#define BAREBOX_ARM_BOARDDATA_MAGIC 0xabe742c3 + u32 magic; + u32 machine; /* machine number to pass to barebox. This may or may + * not be a ARM machine number registered on arm.linux.org.uk. + * It must only be unique across barebox. Please use a number + * that do not potientially clashes with registered machines, + * i.e. use a number > 0x10000. + */ +}; + +/* + * Create a boarddata struct at given address. Suitable to be passed + * as boarddata to barebox_arm_entry(). The machine can be retrieved + * later with barebox_arm_machine(). + */ +static inline void boarddata_create(void *adr, u32 machine) +{ + struct barebox_arm_boarddata *bd = adr; + + bd->magic = BAREBOX_ARM_BOARDDATA_MAGIC; + bd->machine = machine; +} + +u32 barebox_arm_machine(void); #if defined(CONFIG_RELOCATABLE) && defined(CONFIG_ARM_EXCEPTIONS) void arm_fixup_vectors(void); diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig index bc00d5bf7f..af359756ba 100644 --- a/arch/arm/mach-omap/Kconfig +++ b/arch/arm/mach-omap/Kconfig @@ -54,14 +54,6 @@ config OMAP_CLOCK_SOURCE_S32K config OMAP_CLOCK_SOURCE_DMTIMER0 bool -config OMAP3_CLOCK_CONFIG - prompt "Clock Configuration" - bool - depends on ARCH_OMAP3 - default y - help - Say Y here if you like to have OMAP3 Clock configuration done. - config OMAP_GPMC prompt "Support for GPMC configuration" bool @@ -128,6 +120,21 @@ config OMAP4_USBBOOT You need the utility program omap4_usbboot to boot from USB. Please read omap4_usb_booting.txt for more information. +config OMAP3_USBBOOT + bool "enable booting from USB" + depends on ARCH_OMAP3 + help + Say Y here if you want to be able to boot the 2nd stage via USB. This + works by transferring the 2nd stage image using the MUSB controller + which is already initialized by the ROM code. Use the omap3-usb-loader + tool selectable below to upload images. + +config OMAP3_USB_LOADER + bool "enable omap3 USB loader host tool" + depends on ARCH_OMAP3 + help + Say Y here to build the omap3 usb loader tool. + config OMAP_SERIALBOOT bool "enable booting from serial" select XYMODEM @@ -150,6 +157,13 @@ config MACH_AFI_GF help Say Y here if you are using afis GF +config MACH_BEAGLE + bool "Texas Instrument's Beagle Board" + select HAVE_DEFAULT_ENVIRONMENT_NEW + select ARCH_OMAP3 + help + Say Y here if you are using Beagle Board + config MACH_BEAGLEBONE bool "Texas Instrument's Beagle Bone" select ARCH_AM33XX @@ -173,13 +187,6 @@ config MACH_OMAP343xSDP help Say Y here if you are using SDP343x platform -config MACH_BEAGLE - bool "Texas Instrument's Beagle Board" - select HAVE_DEFAULT_ENVIRONMENT_NEW - select ARCH_OMAP3 - help - Say Y here if you are using Beagle Board - config MACH_OMAP3EVM bool "Texas Instrument's OMAP3 EVM" select ARCH_OMAP3 diff --git a/arch/arm/mach-omap/Makefile b/arch/arm/mach-omap/Makefile index bef1d0500f..65072b91e4 100644 --- a/arch/arm/mach-omap/Makefile +++ b/arch/arm/mach-omap/Makefile @@ -25,12 +25,14 @@ obj-$(CONFIG_ARCH_OMAP4) += omap4_generic.o omap4_clock.o pbl-$(CONFIG_ARCH_OMAP4) += omap4_generic.o omap4_clock.o obj-pbl-$(CONFIG_ARCH_AM33XX) += am33xx_generic.o am33xx_clock.o am33xx_mux.o obj-$(CONFIG_ARCH_AM33XX) += am33xx_scrm.o -obj-$(CONFIG_OMAP3_CLOCK_CONFIG) += omap3_clock.o -pbl-$(CONFIG_OMAP3_CLOCK_CONFIG) += omap3_clock.o +obj-$(CONFIG_ARCH_OMAP3) += omap3_clock.o +pbl-$(CONFIG_ARCH_OMAP3) += omap3_clock.o obj-$(CONFIG_OMAP_GPMC) += gpmc.o devices-gpmc-nand.o obj-$(CONFIG_SHELL_NONE) += xload.o obj-$(CONFIG_MFD_TWL6030) += omap4_twl6030_mmc.o obj-$(CONFIG_OMAP4_USBBOOT) += omap4_rom_usb.o +obj-$(CONFIG_OMAP3_USBBOOT) += omap3_xload_usb.o +pbl-$(CONFIG_OMAP3_USBBOOT) += omap3_xload_usb.o obj-$(CONFIG_CMD_BOOT_ORDER) += boot_order.o obj-$(CONFIG_BAREBOX_UPDATE_AM33XX_SPI_NOR_MLO) += am33xx_bbu_spi_mlo.o obj-$(CONFIG_BAREBOX_UPDATE_AM33XX_NAND) += am33xx_bbu_nand.o diff --git a/arch/arm/mach-omap/include/mach/omap3-clock.h b/arch/arm/mach-omap/include/mach/omap3-clock.h index 1ef46aa3e5..7c52da754f 100644 --- a/arch/arm/mach-omap/include/mach/omap3-clock.h +++ b/arch/arm/mach-omap/include/mach/omap3-clock.h @@ -107,7 +107,7 @@ /* PER DPLL */ #define PER_M6X2 3 /* 288MHz: CM_CLKSEL1_EMU */ #define PER_M5X2 4 /* 216MHz: CM_CLKSEL_CAM */ -#define PER_M4X2 9 /* 96MHz : CM_CLKSEL_DSS-dss1 */ +#define PER_M4X2 2 /* 432MHz: CM_CLKSEL_DSS-dss1 */ #define PER_M3X2 16 /* 54MHz : CM_CLKSEL_DSS-tv */ #define CLSEL1_EMU_VAL ((CORE_M3X2 << 16) | (PER_M6X2 << 24) | (0x0a50)) diff --git a/arch/arm/mach-omap/include/mach/omap3-generic.h b/arch/arm/mach-omap/include/mach/omap3-generic.h index 7db0838a5f..ab53b98971 100644 --- a/arch/arm/mach-omap/include/mach/omap3-generic.h +++ b/arch/arm/mach-omap/include/mach/omap3-generic.h @@ -29,4 +29,6 @@ void __noreturn omap3_reset_cpu(unsigned long addr); int omap3_init(void); int omap3_devices_init(void); +void *omap3_xload_boot_usb(void); + #endif /* __MACH_OMAP3_GENERIC_H */ diff --git a/arch/arm/mach-omap/omap3_generic.c b/arch/arm/mach-omap/omap3_generic.c index dbb0b5f86c..0f2e9ce6b7 100644 --- a/arch/arm/mach-omap/omap3_generic.c +++ b/arch/arm/mach-omap/omap3_generic.c @@ -435,9 +435,6 @@ static void try_unlock_memory(void) * Does early system init of disabling the watchdog, enable * memory and configuring the clocks. * - * prcm_init is called only if CONFIG_OMAP3_CLOCK_CONFIG is defined. - * We depend on link time clean up to remove a_init if no caller exists. - * * @warning Called path is with SRAM stack * * @return void @@ -459,9 +456,7 @@ void omap3_core_init(void) sdelay(100); -#ifdef CONFIG_OMAP3_CLOCK_CONFIG prcm_init(); -#endif } #define OMAP3_TRACING_VECTOR1 0x4020ffb4 diff --git a/arch/arm/mach-omap/omap3_xload_usb.c b/arch/arm/mach-omap/omap3_xload_usb.c new file mode 100644 index 0000000000..e7dc21e4a7 --- /dev/null +++ b/arch/arm/mach-omap/omap3_xload_usb.c @@ -0,0 +1,185 @@ +/* + * Copyright (c) 2015 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * Based on a patch by: + * + * Copyright (C) 2011 Rick Bronson + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <common.h> +#include <io.h> +#include <malloc.h> +#include <mach/omap3-silicon.h> +#include <mach/omap3-generic.h> + +static void __iomem *omap3_usb_base = (void __iomem *)OMAP3_MUSB0_BASE; + +#define OMAP34XX_USB_EP(n) (omap3_usb_base + 0x100 + 0x10 * (n)) + +#define MUSB_RXCSR 0x06 +#define MUSB_RXCOUNT 0x08 +#define MUSB_TXCSR 0x02 +#define MUSB_FIFOSIZE 0x0F +#define OMAP34XX_USB_RXCSR(n) (OMAP34XX_USB_EP(n) + MUSB_RXCSR) +#define OMAP34XX_USB_RXCOUNT(n) (OMAP34XX_USB_EP(n) + MUSB_RXCOUNT) +#define OMAP34XX_USB_TXCSR(n) (OMAP34XX_USB_EP(n) + MUSB_TXCSR) +#define OMAP34XX_USB_FIFOSIZE(n) (OMAP34XX_USB_EP(n) + MUSB_FIFOSIZE) +#define OMAP34XX_USB_FIFO(n) (omap3_usb_base + 0x20 + ((n) * 4)) + +/* memory mapped registers */ +#define BULK_ENDPOINT 1 +#define MUSB_RXCSR_RXPKTRDY 0x0001 +#define MUSB_TXCSR_TXPKTRDY 0x0001 + +#define PACK4(a,b,c,d) (((d) << 24) | ((c) << 16) | ((b) << 8) | (a)) +#define USBLOAD_CMD_FILE PACK4('U', 'S', 'B', 's') /* send file size */ +#define USBLOAD_CMD_JUMP PACK4('U', 'S', 'B', 'j') /* go where I tell you */ +#define USBLOAD_CMD_FILE_REQ PACK4('U', 'S', 'B', 'f') /* file request */ +#define USBLOAD_CMD_ECHO_SZ PACK4('U', 'S', 'B', 'n') /* echo file size */ +#define USBLOAD_CMD_REPORT_SZ PACK4('U', 'S', 'B', 'o') /* report file size */ +#define USBLOAD_CMD_MESSAGE PACK4('U', 'S', 'B', 'm') /* message for debug */ + +static int usb_send(unsigned char *buffer, unsigned int buffer_size) +{ + unsigned int cntr; + u16 txcsr; + void __iomem *reg = (void *)OMAP34XX_USB_TXCSR(BULK_ENDPOINT); + void __iomem *bulk_fifo = (void *)OMAP34XX_USB_FIFO(BULK_ENDPOINT); + + txcsr = readw(reg); + + if (txcsr & MUSB_TXCSR_TXPKTRDY) + return 0; + + for (cntr = 0; cntr < buffer_size; cntr++) + writeb(buffer[cntr], bulk_fifo); + + txcsr = readw(reg); + txcsr |= MUSB_TXCSR_TXPKTRDY; + writew(txcsr, reg); + + return buffer_size; +} + +static int usb_recv(u8 *buffer) +{ + int cntr; + u16 count = 0; + u16 rxcsr; + void __iomem *reg = (void *)OMAP34XX_USB_RXCSR(BULK_ENDPOINT); + void __iomem *bulk_fifo = (void *)OMAP34XX_USB_FIFO(BULK_ENDPOINT); + + rxcsr = readw(reg); + + if (!(rxcsr & MUSB_RXCSR_RXPKTRDY)) + return 0; + + count = readw((void *)OMAP34XX_USB_RXCOUNT(BULK_ENDPOINT)); + for (cntr = 0; cntr < count; cntr++) + *buffer++ = readb(bulk_fifo); + + /* Clear the RXPKTRDY bit */ + rxcsr = readw(reg); + rxcsr &= ~MUSB_RXCSR_RXPKTRDY; + writew(rxcsr, reg); + + return count; +} + +static unsigned char usb_outbuffer[64]; + +static void usb_msg(unsigned int cmd, const char *msg) +{ + unsigned char *p_char = usb_outbuffer; + + *(int *)p_char = cmd; + + p_char += sizeof(cmd); + + if (msg) { + while (*msg) + *p_char++= *msg++; + *p_char++= 0; + } + + usb_send(usb_outbuffer, p_char - usb_outbuffer); +} + +static void usb_code(unsigned int cmd, u32 code) +{ + unsigned int *p_int = (unsigned int *)usb_outbuffer; + + *p_int++ = cmd; + *p_int++ = code; + usb_send (usb_outbuffer, ((unsigned char *) p_int) - usb_outbuffer); +} + +void *omap3_xload_boot_usb(void) +{ + int res; + void *buf; + u32 *buf32; + u32 total; + void *addr; + u32 bytes; + int size; + int cntr; + void *fn; + u8 __buf[512]; + + buf32 = buf = __buf; + + usb_msg (USBLOAD_CMD_FILE_REQ, "file req"); + for (cntr = 0; cntr < 10000000; cntr++) { + size = usb_recv(buf); + if (!size) + continue; + + switch (buf32[0]) { + case USBLOAD_CMD_FILE: + pr_debug ("USBLOAD_CMD_FILE total = %d size = 0x%x addr = 0x%x\n", + res, buf32[1], buf32[2]); + total = buf32[1]; /* get size and address */ + addr = (void *)buf32[2]; + usb_code(USBLOAD_CMD_ECHO_SZ, total); + + bytes = 0; + + while (bytes < total) { + size = usb_recv(buf); + memcpy(addr, buf, size); + addr += size; + bytes += size; + } + + usb_code(USBLOAD_CMD_REPORT_SZ, total); /* tell him we got this many bytes */ + usb_msg (USBLOAD_CMD_FILE_REQ, "file req"); /* see if they have another file for us */ + break; + case USBLOAD_CMD_JUMP: + pr_debug("USBLOAD_CMD_JUMP total = %d addr = 0x%x val = 0x%x\n", + res, buf32[0], buf32[1]); + fn = (void *)buf32[1]; + goto out; + default: + break; + } + } + + fn = NULL; +out: + + return fn; +} diff --git a/arch/arm/mach-omap/xload.c b/arch/arm/mach-omap/xload.c index 85c9120ccf..4a0714ed93 100644 --- a/arch/arm/mach-omap/xload.c +++ b/arch/arm/mach-omap/xload.c @@ -14,6 +14,7 @@ #include <xymodem.h> #include <mach/generic.h> #include <mach/am33xx-generic.h> +#include <mach/omap3-generic.h> #include <net.h> #include <environment.h> #include <dhcp.h> @@ -284,13 +285,16 @@ static __noreturn int omap_xload(void) func = omap_xload_boot_mmc(); break; case BOOTSOURCE_USB: - if (IS_ENABLED(CONFIG_FS_OMAP4_USBBOOT)) { + if (IS_ENABLED(CONFIG_OMAP3_USBBOOT) && cpu_is_omap3()) { + printf("booting from USB\n"); + func = omap3_xload_boot_usb(); + } else if (IS_ENABLED(CONFIG_FS_OMAP4_USBBOOT)) { printf("booting from USB\n"); func = omap4_xload_boot_usb(); - break; } else { printf("booting from USB not enabled\n"); } + break; case BOOTSOURCE_NAND: printf("booting from NAND\n"); func = omap_xload_boot_nand(barebox_part->nand_offset, |