| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * J721E: SoC specific initialization |
| * |
| * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/ |
| * David Huang <d-huang@ti.com> |
| */ |
| |
| #include <init.h> |
| #include <spl.h> |
| #include <asm/io.h> |
| #include <asm/armv7_mpu.h> |
| #include <asm/arch/hardware.h> |
| #include "sysfw-loader.h" |
| #include "common.h" |
| #include <linux/soc/ti/ti_sci_protocol.h> |
| #include <dm.h> |
| #include <dm/uclass-internal.h> |
| #include <dm/pinctrl.h> |
| #include <dm/root.h> |
| #include <mmc.h> |
| #include <remoteproc.h> |
| |
| struct fwl_data cbass_hc_cfg0_fwls[] = { |
| { "PCIE0_CFG", 2577, 7 }, |
| { "EMMC8SS0_CFG", 2579, 4 }, |
| { "USB3SS0_CORE", 2580, 4 }, |
| { "USB3SS1_CORE", 2581, 1 }, |
| }, cbass_hc2_fwls[] = { |
| { "PCIE0", 2547, 24 }, |
| { "HC2_WIZ16B8M4CT2", 2552, 1 }, |
| }, cbass_rc_cfg0_fwls[] = { |
| { "EMMCSD4SS0_CFG", 2400, 4 }, |
| }, infra_cbass0_fwls[] = { |
| { "PSC0", 5, 1 }, |
| { "PLL_CTRL0", 6, 1 }, |
| { "PLL_MMR0", 8, 26 }, |
| { "CTRL_MMR0", 9, 16 }, |
| { "GPIO0", 16, 1 }, |
| }, mcu_cbass0_fwls[] = { |
| { "MCU_R5FSS0_CORE0", 1024, 4 }, |
| { "MCU_R5FSS0_CORE0_CFG", 1025, 3 }, |
| { "MCU_R5FSS0_CORE1", 1028, 4 }, |
| { "MCU_R5FSS0_CORE1_CFG", 1029, 1 }, |
| { "MCU_FSS0_CFG", 1032, 12 }, |
| { "MCU_FSS0_S1", 1033, 8 }, |
| { "MCU_FSS0_S0", 1036, 8 }, |
| { "MCU_PSROM49152X32", 1048, 1 }, |
| { "MCU_MSRAM128KX64", 1050, 8 }, |
| { "MCU_MSRAM128KX64_CFG", 1051, 1 }, |
| { "MCU_TIMER0", 1056, 1 }, |
| { "MCU_TIMER9", 1065, 1 }, |
| { "MCU_USART0", 1120, 1 }, |
| { "MCU_I2C0", 1152, 1 }, |
| { "MCU_CTRL_MMR0", 1200, 8 }, |
| { "MCU_PLL_MMR0", 1201, 3 }, |
| { "MCU_CPSW0", 1220, 2 }, |
| }, wkup_cbass0_fwls[] = { |
| { "WKUP_PSC0", 129, 1 }, |
| { "WKUP_PLL_CTRL0", 130, 1 }, |
| { "WKUP_CTRL_MMR0", 131, 16 }, |
| { "WKUP_GPIO0", 132, 1 }, |
| { "WKUP_I2C0", 144, 1 }, |
| { "WKUP_USART0", 160, 1 }, |
| }, navss_cbass0_fwls[] = { |
| { "NACSS_VIRT0", 6253, 1 }, |
| }; |
| |
| static void ctrl_mmr_unlock(void) |
| { |
| /* Unlock all WKUP_CTRL_MMR0 module registers */ |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 0); |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 1); |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 2); |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 3); |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 4); |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 6); |
| mmr_unlock(WKUP_CTRL_MMR0_BASE, 7); |
| |
| /* Unlock all MCU_CTRL_MMR0 module registers */ |
| mmr_unlock(MCU_CTRL_MMR0_BASE, 0); |
| mmr_unlock(MCU_CTRL_MMR0_BASE, 1); |
| mmr_unlock(MCU_CTRL_MMR0_BASE, 2); |
| mmr_unlock(MCU_CTRL_MMR0_BASE, 3); |
| mmr_unlock(MCU_CTRL_MMR0_BASE, 4); |
| |
| /* Unlock all CTRL_MMR0 module registers */ |
| mmr_unlock(CTRL_MMR0_BASE, 0); |
| mmr_unlock(CTRL_MMR0_BASE, 1); |
| mmr_unlock(CTRL_MMR0_BASE, 2); |
| mmr_unlock(CTRL_MMR0_BASE, 3); |
| mmr_unlock(CTRL_MMR0_BASE, 5); |
| mmr_unlock(CTRL_MMR0_BASE, 7); |
| } |
| |
| void k3_mmc_stop_clock(void) |
| { |
| if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW)) { |
| if (spl_boot_device() == BOOT_DEVICE_MMC1) { |
| struct mmc *mmc = find_mmc_device(0); |
| |
| if (!mmc) |
| return; |
| |
| mmc->saved_clock = mmc->clock; |
| mmc_set_clock(mmc, 0, true); |
| } |
| } |
| } |
| |
| void k3_mmc_restart_clock(void) |
| { |
| if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW)) { |
| if (spl_boot_device() == BOOT_DEVICE_MMC1) { |
| struct mmc *mmc = find_mmc_device(0); |
| |
| if (!mmc) |
| return; |
| |
| mmc_set_clock(mmc, mmc->saved_clock, false); |
| } |
| } |
| } |
| |
| /* |
| * This uninitialized global variable would normal end up in the .bss section, |
| * but the .bss is cleared between writing and reading this variable, so move |
| * it to the .data section. |
| */ |
| u32 bootindex __attribute__((section(".data"))); |
| static struct rom_extended_boot_data bootdata __section(".data"); |
| |
| static void store_boot_info_from_rom(void) |
| { |
| bootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX); |
| memcpy(&bootdata, (uintptr_t *)ROM_EXTENDED_BOOT_DATA_INFO, |
| sizeof(struct rom_extended_boot_data)); |
| } |
| |
| void k3_spl_init(void) |
| { |
| struct udevice *dev; |
| int ret; |
| /* |
| * Cannot delay this further as there is a chance that |
| * K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section. |
| */ |
| store_boot_info_from_rom(); |
| |
| /* Make all control module registers accessible */ |
| ctrl_mmr_unlock(); |
| |
| if (IS_ENABLED(CONFIG_CPU_V7R)) { |
| disable_linefill_optimization(); |
| setup_k3_mpu_regions(); |
| } |
| |
| /* Init DM early */ |
| spl_early_init(); |
| |
| /* Prepare console output */ |
| preloader_console_init(); |
| |
| if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW)) { |
| /* |
| * Process pinctrl for the serial0 a.k.a. WKUP_UART0 module and continue |
| * regardless of the result of pinctrl. Do this without probing the |
| * device, but instead by searching the device that would request the |
| * given sequence number if probed. The UART will be used by the system |
| * firmware (SYSFW) image for various purposes and SYSFW depends on us |
| * to initialize its pin settings. |
| */ |
| ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev); |
| if (!ret) |
| pinctrl_select_state(dev, "default"); |
| |
| /* |
| * Load, start up, and configure system controller firmware. Provide |
| * the U-Boot console init function to the SYSFW post-PM configuration |
| * callback hook, effectively switching on (or over) the console |
| * output. |
| */ |
| k3_sysfw_loader(is_rom_loaded_sysfw(&bootdata), |
| k3_mmc_stop_clock, k3_mmc_restart_clock); |
| |
| if (IS_ENABLED(CONFIG_SPL_CLK_K3)) { |
| /* |
| * Force probe of clk_k3 driver here to ensure basic default clock |
| * configuration is always done for enabling PM services. |
| */ |
| ret = uclass_get_device_by_driver(UCLASS_CLK, |
| DM_DRIVER_GET(ti_clk), |
| &dev); |
| if (ret) |
| panic("Failed to initialize clk-k3!\n"); |
| } |
| |
| remove_fwl_configs(cbass_hc_cfg0_fwls, ARRAY_SIZE(cbass_hc_cfg0_fwls)); |
| remove_fwl_configs(cbass_hc2_fwls, ARRAY_SIZE(cbass_hc2_fwls)); |
| remove_fwl_configs(cbass_rc_cfg0_fwls, ARRAY_SIZE(cbass_rc_cfg0_fwls)); |
| remove_fwl_configs(infra_cbass0_fwls, ARRAY_SIZE(infra_cbass0_fwls)); |
| remove_fwl_configs(mcu_cbass0_fwls, ARRAY_SIZE(mcu_cbass0_fwls)); |
| remove_fwl_configs(wkup_cbass0_fwls, ARRAY_SIZE(wkup_cbass0_fwls)); |
| remove_fwl_configs(navss_cbass0_fwls, ARRAY_SIZE(navss_cbass0_fwls)); |
| } |
| |
| /* Output System Firmware version info */ |
| k3_sysfw_print_ver(); |
| } |
| |
| bool check_rom_loaded_sysfw(void) |
| { |
| return is_rom_loaded_sysfw(&bootdata); |
| } |
| |
| void k3_mem_init(void) |
| { |
| struct udevice *dev; |
| int ret; |
| |
| if (IS_ENABLED(CONFIG_K3_J721E_DDRSS)) { |
| ret = uclass_get_device_by_name(UCLASS_MISC, "msmc", &dev); |
| if (ret) |
| panic("Probe of msmc failed: %d\n", ret); |
| |
| ret = uclass_get_device(UCLASS_RAM, 0, &dev); |
| if (ret) |
| panic("DRAM 0 init failed: %d\n", ret); |
| |
| ret = uclass_next_device_err(&dev); |
| if (ret && ret != -ENODEV) |
| panic("DRAM 1 init failed: %d\n", ret); |
| } |
| spl_enable_cache(); |
| } |
| |
| /* Support for the various EVM / SK families */ |
| #if defined(CONFIG_SPL_OF_LIST) && defined(CONFIG_TI_I2C_BOARD_DETECT) |
| void do_dt_magic(void) |
| { |
| int ret, rescan, mmc_dev = -1; |
| static struct mmc *mmc; |
| |
| do_board_detect(); |
| |
| /* |
| * Board detection has been done. |
| * Let us see if another dtb wouldn't be a better match |
| * for our board |
| */ |
| if (IS_ENABLED(CONFIG_CPU_V7R)) { |
| ret = fdtdec_resetup(&rescan); |
| if (!ret && rescan) { |
| dm_uninit(); |
| dm_init_and_scan(true); |
| } |
| } |
| |
| /* |
| * Because of multi DTB configuration, the MMC device has |
| * to be re-initialized after reconfiguring FDT inorder to |
| * boot from MMC. Do this when boot mode is MMC and ROM has |
| * not loaded SYSFW. |
| */ |
| switch (spl_boot_device()) { |
| case BOOT_DEVICE_MMC1: |
| mmc_dev = 0; |
| break; |
| case BOOT_DEVICE_MMC2: |
| case BOOT_DEVICE_MMC2_2: |
| mmc_dev = 1; |
| break; |
| } |
| |
| if (mmc_dev > 0 && !check_rom_loaded_sysfw()) { |
| ret = mmc_init_device(mmc_dev); |
| if (!ret) { |
| mmc = find_mmc_device(mmc_dev); |
| if (mmc) { |
| ret = mmc_init(mmc); |
| if (ret) |
| printf("mmc init failed with error: %d\n", ret); |
| } |
| } |
| } |
| } |
| #endif |
| |
| #ifdef CONFIG_SPL_BUILD |
| void board_init_f(ulong dummy) |
| { |
| k3_spl_init(); |
| #if defined(CONFIG_SPL_OF_LIST) && defined(CONFIG_TI_I2C_BOARD_DETECT) |
| do_dt_magic(); |
| #endif |
| k3_mem_init(); |
| } |
| #endif |
| |
| u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device) |
| { |
| switch (boot_device) { |
| case BOOT_DEVICE_MMC1: |
| return MMCSD_MODE_EMMCBOOT; |
| case BOOT_DEVICE_MMC2: |
| return MMCSD_MODE_FS; |
| default: |
| return MMCSD_MODE_RAW; |
| } |
| } |
| |
| static u32 __get_backup_bootmedia(u32 main_devstat) |
| { |
| u32 bkup_boot = (main_devstat & MAIN_DEVSTAT_BKUP_BOOTMODE_MASK) >> |
| MAIN_DEVSTAT_BKUP_BOOTMODE_SHIFT; |
| |
| switch (bkup_boot) { |
| case BACKUP_BOOT_DEVICE_USB: |
| return BOOT_DEVICE_DFU; |
| case BACKUP_BOOT_DEVICE_UART: |
| return BOOT_DEVICE_UART; |
| case BACKUP_BOOT_DEVICE_ETHERNET: |
| return BOOT_DEVICE_ETHERNET; |
| case BACKUP_BOOT_DEVICE_MMC2: |
| { |
| u32 port = (main_devstat & MAIN_DEVSTAT_BKUP_MMC_PORT_MASK) >> |
| MAIN_DEVSTAT_BKUP_MMC_PORT_SHIFT; |
| if (port == 0x0) |
| return BOOT_DEVICE_MMC1; |
| return BOOT_DEVICE_MMC2; |
| } |
| case BACKUP_BOOT_DEVICE_SPI: |
| return BOOT_DEVICE_SPI; |
| case BACKUP_BOOT_DEVICE_I2C: |
| return BOOT_DEVICE_I2C; |
| } |
| |
| return BOOT_DEVICE_RAM; |
| } |
| |
| static u32 __get_primary_bootmedia(u32 main_devstat, u32 wkup_devstat) |
| { |
| u32 bootmode = (wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >> |
| WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT; |
| |
| bootmode |= (main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) << |
| BOOT_MODE_B_SHIFT; |
| |
| if (bootmode == BOOT_DEVICE_OSPI || bootmode == BOOT_DEVICE_QSPI || |
| bootmode == BOOT_DEVICE_XSPI) |
| bootmode = BOOT_DEVICE_SPI; |
| |
| if (bootmode == BOOT_DEVICE_MMC2) { |
| u32 port = (main_devstat & |
| MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK) >> |
| MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT; |
| if (port == 0x0) |
| bootmode = BOOT_DEVICE_MMC1; |
| } |
| |
| return bootmode; |
| } |
| |
| u32 spl_boot_device(void) |
| { |
| u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT); |
| u32 main_devstat; |
| |
| if (wkup_devstat & WKUP_DEVSTAT_MCU_OMLY_MASK) { |
| printf("ERROR: MCU only boot is not yet supported\n"); |
| return BOOT_DEVICE_RAM; |
| } |
| |
| /* MAIN CTRL MMR can only be read if MCU ONLY is 0 */ |
| main_devstat = readl(CTRLMMR_MAIN_DEVSTAT); |
| |
| if (bootindex == K3_PRIMARY_BOOTMODE) |
| return __get_primary_bootmedia(main_devstat, wkup_devstat); |
| else |
| return __get_backup_bootmedia(main_devstat); |
| } |