diff options
Diffstat (limited to 'arch/arm/boards/enclustra-aa1')
-rw-r--r-- | arch/arm/boards/enclustra-aa1/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/boards/enclustra-aa1/board.c | 48 | ||||
-rw-r--r-- | arch/arm/boards/enclustra-aa1/lowlevel.c | 124 | ||||
-rw-r--r-- | arch/arm/boards/enclustra-aa1/pinmux-config-arria10.c | 104 | ||||
-rw-r--r-- | arch/arm/boards/enclustra-aa1/pll-config-arria10.c | 56 |
5 files changed, 336 insertions, 0 deletions
diff --git a/arch/arm/boards/enclustra-aa1/Makefile b/arch/arm/boards/enclustra-aa1/Makefile new file mode 100644 index 0000000000..5678718188 --- /dev/null +++ b/arch/arm/boards/enclustra-aa1/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only + +lwl-y += lowlevel.o +obj-y += board.o diff --git a/arch/arm/boards/enclustra-aa1/board.c b/arch/arm/boards/enclustra-aa1/board.c new file mode 100644 index 0000000000..de886f21aa --- /dev/null +++ b/arch/arm/boards/enclustra-aa1/board.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <common.h> +#include <init.h> +#include <io.h> +#include <bbu.h> +#include <mach/socfpga/arria10-system-manager.h> + +static int aa1_init(void) +{ + int pbl_index = 0; + uint32_t flag_barebox1 = 0; + uint32_t flag_barebox2 = 0; + + if (!of_machine_is_compatible("enclustra,mercury-aa1")) + return 0; + + pbl_index = readl(ARRIA10_SYSMGR_ROM_INITSWLASTLD); + + pr_debug("Current barebox instance %d\n", pbl_index); + + switch (pbl_index) { + case 0: + flag_barebox1 |= BBU_HANDLER_FLAG_DEFAULT; + break; + case 1: + flag_barebox2 |= BBU_HANDLER_FLAG_DEFAULT; + break; + }; + + bbu_register_std_file_update("emmc-barebox1-xload", flag_barebox1, + "/dev/mmc0.barebox1-xload", + filetype_socfpga_xload); + + bbu_register_std_file_update("emmc-barebox1", 0, + "/dev/mmc0.barebox1", + filetype_arm_barebox); + + bbu_register_std_file_update("emmc-barebox2-xload", flag_barebox2, + "/dev/mmc0.barebox2-xload", + filetype_socfpga_xload); + + bbu_register_std_file_update("emmc-barebox2", 0, + "/dev/mmc0.barebox2", + filetype_arm_barebox); + return 0; +} +postcore_initcall(aa1_init); diff --git a/arch/arm/boards/enclustra-aa1/lowlevel.c b/arch/arm/boards/enclustra-aa1/lowlevel.c new file mode 100644 index 0000000000..ba4d562e5f --- /dev/null +++ b/arch/arm/boards/enclustra-aa1/lowlevel.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <common.h> +#include <linux/sizes.h> +#include <io.h> +#include <memory.h> +#include <asm/barebox-arm.h> +#include <asm/cache.h> +#include <asm/sections.h> +#include <asm/unaligned.h> +#include <debug_ll.h> +#include <pbl.h> +#include <mach/socfpga/arria10-sdram.h> +#include <mach/socfpga/arria10-regs.h> +#include <mach/socfpga/arria10-reset-manager.h> +#include <mach/socfpga/arria10-clock-manager.h> +#include <mach/socfpga/arria10-pinmux.h> +#include <mach/socfpga/arria10-fpga.h> +#include <mach/socfpga/init.h> +#include "pll-config-arria10.c" +#include "pinmux-config-arria10.c" +#include <mach/socfpga/generic.h> +#include <mach/socfpga/init.h> + +#define BAREBOX_PART 0 +// the bitstream is located in the second partition in the partition table +#define BITSTREAM_PART 1 +#define BAREBOX1_OFFSET SZ_1M +#define BAREBOX2_OFFSET (BAREBOX1_OFFSET + SZ_1M) +// Offset from the start of the second partition on the eMMC. +#define BITSTREAM1_OFFSET 0x0 +#define BITSTREAM2_OFFSET (BITSTREAM1_OFFSET + SZ_32M) + +extern char __dtb_z_socfpga_arria10_mercury_aa1_start[]; + +#define ARRIA10_STACKTOP (ARRIA10_OCRAM_ADDR + SZ_256K) + +ENTRY_FUNCTION_WITHSTACK(start_socfpga_aa1_xload, ARRIA10_STACKTOP, r0, r1, r2) +{ + int pbl_index = 0; + int barebox = 0; + int bitstream = 0; + + arm_cpu_lowlevel_init(); + arria10_cpu_lowlevel_init(); + + relocate_to_current_adr(); + + setup_c(); + + arria10_init(&mainpll_cfg, &perpll_cfg, pinmux); + + arria10_prepare_mmc(BAREBOX_PART, BITSTREAM_PART); + + pbl_index = readl(ARRIA10_SYSMGR_ROM_INITSWLASTLD); + + /* Allow booting from both PBL0 and PBL1 to allow atomic updates. + * Bitstreams redundant too and expected to reside in the second + * partition. + * There is a fixed relation between the PBL/barebox instance and its + * bitstream location (offset) that requires to update them together */ + switch (pbl_index) { + case 0: + barebox = BAREBOX1_OFFSET; + bitstream = BITSTREAM1_OFFSET; + break; + case 1: + barebox = BAREBOX2_OFFSET; + bitstream = BITSTREAM2_OFFSET; + break; + case 2: + case 3: + /* Left blank for future extension */ + break; + default: + /* If we get an undefined pbl index, use the first and hope for the best. + * We could bail out, but user wouldn't see anything on the console + * and wouldn't know what happend anyway. */ + barebox = BAREBOX1_OFFSET; + bitstream = BITSTREAM1_OFFSET; + break; + } + + arria10_load_fpga(bitstream, SZ_32M); + + arria10_finish_io(&mainpll_cfg, &perpll_cfg, pinmux); + + arria10_ddr_calibration_sequence(); + + arria10_start_image(barebox); +} + +ENTRY_FUNCTION(start_socfpga_aa1, r0, r1, r2) +{ + void *fdt; + + fdt = __dtb_z_socfpga_arria10_mercury_aa1_start + get_runtime_offset(); + + barebox_arm_entry(0x0, SZ_2G, fdt); +} + +ENTRY_FUNCTION_WITHSTACK(start_socfpga_aa1_bringup, ARRIA10_STACKTOP, r0, r1, r2) +{ + void *fdt; + + arm_cpu_lowlevel_init(); + arria10_cpu_lowlevel_init(); + + relocate_to_current_adr(); + setup_c(); + + arria10_init(&mainpll_cfg, &perpll_cfg, pinmux); + + /* wait for fpga_usermode */ + a10_wait_for_usermode(0x1000000); + + arria10_finish_io(&mainpll_cfg, &perpll_cfg, pinmux); + + arria10_ddr_calibration_sequence(); + + fdt = __dtb_z_socfpga_arria10_mercury_aa1_start + get_runtime_offset(); + + barebox_arm_entry(0x0, SZ_2G, fdt); +} diff --git a/arch/arm/boards/enclustra-aa1/pinmux-config-arria10.c b/arch/arm/boards/enclustra-aa1/pinmux-config-arria10.c new file mode 100644 index 0000000000..fea88e3336 --- /dev/null +++ b/arch/arm/boards/enclustra-aa1/pinmux-config-arria10.c @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <mach/socfpga/arria10-pinmux.h> + +static uint32_t pinmux[] = { +[arria10_pinmux_shared_io_q3_7] = 0, +[arria10_pinmux_shared_io_q3_6] = 15, +[arria10_pinmux_shared_io_q3_5] = 15, +[arria10_pinmux_shared_io_q3_4] = 15, +[arria10_pinmux_shared_io_q3_3] = 15, +[arria10_pinmux_shared_io_q3_2] = 15, +[arria10_pinmux_shared_io_q3_1] = 15, +[arria10_pinmux_shared_io_q2_12] = 4, +[arria10_pinmux_shared_io_q2_11] = 4, +[arria10_pinmux_shared_io_q2_10] = 4, +[arria10_pinmux_shared_io_q2_8] = 4, +[arria10_pinmux_shared_io_q2_9] = 4, +[arria10_pinmux_shared_io_q2_7] = 4, +[arria10_pinmux_shared_io_q2_6] = 4, +[arria10_pinmux_shared_io_q2_5] = 4, +[arria10_pinmux_shared_io_q2_4] = 4, +[arria10_pinmux_shared_io_q2_3] = 4, +[arria10_pinmux_shared_io_q2_2] = 4, +[arria10_pinmux_shared_io_q2_1] = 4, +[arria10_pinmux_shared_io_q1_12] = 8, +[arria10_pinmux_shared_io_q1_10] = 8, +[arria10_pinmux_shared_io_q1_11] = 8, +[arria10_pinmux_shared_io_q1_9] = 8, +[arria10_pinmux_shared_io_q1_8] = 8, +[arria10_pinmux_shared_io_q1_7] = 8, +[arria10_pinmux_shared_io_q1_6] = 8, +[arria10_pinmux_shared_io_q1_5] = 8, +[arria10_pinmux_shared_io_q1_4] = 8, +[arria10_pinmux_shared_io_q1_3] = 8, +[arria10_pinmux_shared_io_q1_2] = 8, +[arria10_pinmux_shared_io_q1_1] = 8, +[arria10_pinmux_shared_io_q4_12] = 15, +[arria10_pinmux_shared_io_q4_11] = 15, +[arria10_pinmux_shared_io_q4_10] = 3, +[arria10_pinmux_shared_io_q4_9] = 3, +[arria10_pinmux_shared_io_q4_8] = 3, +[arria10_pinmux_shared_io_q4_7] = 3, +[arria10_pinmux_shared_io_q4_6] = 10, +[arria10_pinmux_shared_io_q4_4] = 10, +[arria10_pinmux_shared_io_q4_5] = 10, +[arria10_pinmux_shared_io_q4_3] = 10, +[arria10_pinmux_shared_io_q4_2] = 10, +[arria10_pinmux_shared_io_q4_1] = 10, +[arria10_pinmux_shared_io_q3_12] = 1, +[arria10_pinmux_shared_io_q3_11] = 1, +[arria10_pinmux_shared_io_q3_10] = 15, +[arria10_pinmux_shared_io_q3_9] = 15, +[arria10_pinmux_shared_io_q3_8] = 0, +[arria10_pinmux_dedicated_io_7] = 8, +[arria10_pinmux_dedicated_io_8] = 8, +[arria10_pinmux_dedicated_io_9] = 8, +[arria10_pinmux_dedicated_io_10] = 15, +[arria10_pinmux_dedicated_io_11] = 15, +[arria10_pinmux_dedicated_io_12] = 8, +[arria10_pinmux_dedicated_io_13] = 8, +[arria10_pinmux_dedicated_io_14] = 8, +[arria10_pinmux_dedicated_io_15] = 8, +[arria10_pinmux_dedicated_io_16] = 13, +[arria10_pinmux_dedicated_io_17] = 13, +[arria10_pinmux_dedicated_io_4] = 8, +[arria10_pinmux_dedicated_io_5] = 8, +[arria10_pinmux_dedicated_io_6] = 8, +[arria10_pincfg_dedicated_io_bank] = 0x101, +[arria10_pincfg_dedicated_io_1] = 0xb080a, +[arria10_pincfg_dedicated_io_2] = 0xb080a, +[arria10_pincfg_dedicated_io_3] = 0xb080a, +[arria10_pincfg_dedicated_io_4] = 0xa282a, +[arria10_pincfg_dedicated_io_5] = 0xa282a, +[arria10_pincfg_dedicated_io_6] = 0x8282a, +[arria10_pincfg_dedicated_io_7] = 0xa282a, +[arria10_pincfg_dedicated_io_8] = 0xa282a, +[arria10_pincfg_dedicated_io_9] = 0xa282a, +[arria10_pincfg_dedicated_io_10] = 0xa280a, +[arria10_pincfg_dedicated_io_11] = 0xa280a, +[arria10_pincfg_dedicated_io_12] = 0xa280a, +[arria10_pincfg_dedicated_io_13] = 0xa280a, +[arria10_pincfg_dedicated_io_14] = 0xa280a, +[arria10_pincfg_dedicated_io_15] = 0xa280a, +[arria10_pincfg_dedicated_io_16] = 0x8282a, +[arria10_pincfg_dedicated_io_17] = 0xa280a, +[arria10_pinmux_rgmii0_usefpga] = 0, +[arria10_pinmux_rgmii1_usefpga] = 0, +[arria10_pinmux_rgmii2_usefpga] = 0, +[arria10_pinmux_nand_usefpga] = 0, +[arria10_pinmux_qspi_usefpga] = 0, +[arria10_pinmux_sdmmc_usefpga] = 0, +[arria10_pinmux_spim0_usefpga] = 0, +[arria10_pinmux_spim1_usefpga] = 0, +[arria10_pinmux_spis0_usefpga] = 0, +[arria10_pinmux_spis1_usefpga] = 0, +[arria10_pinmux_uart0_usefpga] = 0, +[arria10_pinmux_uart1_usefpga] = 0, +[arria10_pinmux_i2c0_usefpga] = 0, +[arria10_pinmux_i2c1_usefpga] = 0, +[arria10_pinmux_i2cemac0_usefpga] = 0, +[arria10_pinmux_i2cemac1_usefpga] = 0, +[arria10_pinmux_i2cemac2_usefpga] = 0, +}; + diff --git a/arch/arm/boards/enclustra-aa1/pll-config-arria10.c b/arch/arm/boards/enclustra-aa1/pll-config-arria10.c new file mode 100644 index 0000000000..8178550d7d --- /dev/null +++ b/arch/arm/boards/enclustra-aa1/pll-config-arria10.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <mach/socfpga/arria10-clock-manager.h> + +static struct arria10_mainpll_cfg mainpll_cfg = { + .cntr15clk_cnt = 900, + .cntr2clk_cnt = 900, + .cntr3clk_cnt = 900, + .cntr4clk_cnt = 900, + .cntr5clk_cnt = 900, + .cntr6clk_cnt = 7, + .cntr7clk_cnt = 15, + .cntr7clk_src = 0, + .cntr8clk_cnt = 7, + .cntr9clk_cnt = 900, + .cntr9clk_src = 0, + .mpuclk_cnt = 0, + .mpuclk_src = 0, + .nocclk_cnt = 0, + .nocclk_src = 0, + .nocdiv_csatclk = 0, + .nocdiv_cspdbgclk = 1, + .nocdiv_cstraceclk = 0, + .nocdiv_l4mainclk = 0, + .nocdiv_l4mpclk = 1, + .nocdiv_l4spclk = 2, + .vco0_psrc = 0, + .vco1_denom = 32, + .vco1_numer = 1584, + .mpuclk = 0x3840001, + .nocclk = 0x3840007, +}; + +static struct arria10_perpll_cfg perpll_cfg = { + .cntr2clk_cnt = 5, + .cntr2clk_src = 1, + .cntr3clk_cnt = 900, + .cntr3clk_src = 1, + .cntr4clk_cnt = 14, + .cntr4clk_src = 1, + .cntr5clk_cnt = 374, + .cntr5clk_src = 1, + .cntr6clk_cnt = 900, + .cntr6clk_src = 0, + .cntr7clk_cnt = 900, + .cntr8clk_cnt = 900, + .cntr8clk_src = 0, + .cntr9clk_cnt = 900, + .emacctl_emac0sel = 0, + .emacctl_emac1sel = 0, + .emacctl_emac2sel = 0, + .gpiodiv_gpiodbclk = 32000, + .vco0_psrc = 0, + .vco1_denom = 32, + .vco1_numer = 1485, +}; 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