| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * J721E: SoC specific initialization |
| * |
| * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/ |
| * Lokesh Vutla <lokeshvutla@ti.com> |
| */ |
| |
| #include <common.h> |
| #include <init.h> |
| #include <spl.h> |
| #include <asm/io.h> |
| #include <asm/armv7_mpu.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/sysfw-loader.h> |
| #include "common.h" |
| #include <asm/arch/sys_proto.h> |
| #include <linux/soc/ti/ti_sci_protocol.h> |
| #include <dm.h> |
| #include <dm/uclass-internal.h> |
| #include <dm/pinctrl.h> |
| #include <mmc.h> |
| #include <remoteproc.h> |
| |
| #ifdef CONFIG_SPL_BUILD |
| #ifdef CONFIG_K3_LOAD_SYSFW |
| #ifdef CONFIG_TI_SECURE_DEVICE |
| struct fwl_data cbass_hc_cfg0_fwls[] = { |
| { "PCIE0_CFG", 2560, 8 }, |
| { "PCIE1_CFG", 2561, 8 }, |
| { "USB3SS0_CORE", 2568, 4 }, |
| { "USB3SS1_CORE", 2570, 4 }, |
| { "EMMC8SS0_CFG", 2576, 4 }, |
| { "UFS_HCI0_CFG", 2580, 4 }, |
| { "SERDES0", 2584, 1 }, |
| { "SERDES1", 2585, 1 }, |
| }, cbass_hc0_fwls[] = { |
| { "PCIE0_HP", 2528, 24 }, |
| { "PCIE0_LP", 2529, 24 }, |
| { "PCIE1_HP", 2530, 24 }, |
| { "PCIE1_LP", 2531, 24 }, |
| }, cbass_rc_cfg0_fwls[] = { |
| { "EMMCSD4SS0_CFG", 2380, 4 }, |
| }, cbass_rc0_fwls[] = { |
| { "GPMC0", 2310, 8 }, |
| }, infra_cbass0_fwls[] = { |
| { "PLL_MMR0", 8, 26 }, |
| { "CTRL_MMR0", 9, 16 }, |
| }, mcu_cbass0_fwls[] = { |
| { "MCU_R5FSS0_CORE0", 1024, 4 }, |
| { "MCU_R5FSS0_CORE0_CFG", 1025, 2 }, |
| { "MCU_R5FSS0_CORE1", 1028, 4 }, |
| { "MCU_FSS0_CFG", 1032, 12 }, |
| { "MCU_FSS0_S1", 1033, 8 }, |
| { "MCU_FSS0_S0", 1036, 8 }, |
| { "MCU_PSROM49152X32", 1048, 1 }, |
| { "MCU_MSRAM128KX64", 1050, 8 }, |
| { "MCU_CTRL_MMR0", 1200, 8 }, |
| { "MCU_PLL_MMR0", 1201, 3 }, |
| { "MCU_CPSW0", 1220, 2 }, |
| }, wkup_cbass0_fwls[] = { |
| { "WKUP_CTRL_MMR0", 131, 16 }, |
| }; |
| #endif |
| #endif |
| |
| static void mmr_unlock(u32 base, u32 partition) |
| { |
| /* Translate the base address */ |
| phys_addr_t part_base = base + partition * CTRL_MMR0_PARTITION_SIZE; |
| |
| /* Unlock the requested partition if locked using two-step sequence */ |
| writel(CTRLMMR_LOCK_KICK0_UNLOCK_VAL, part_base + CTRLMMR_LOCK_KICK0); |
| writel(CTRLMMR_LOCK_KICK1_UNLOCK_VAL, part_base + CTRLMMR_LOCK_KICK1); |
| } |
| |
| 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, 4); |
| mmr_unlock(CTRL_MMR0_BASE, 5); |
| mmr_unlock(CTRL_MMR0_BASE, 6); |
| mmr_unlock(CTRL_MMR0_BASE, 7); |
| } |
| |
| #if defined(CONFIG_K3_LOAD_SYSFW) |
| void k3_mmc_stop_clock(void) |
| { |
| 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 (spl_boot_device() == BOOT_DEVICE_MMC1) { |
| struct mmc *mmc = find_mmc_device(0); |
| |
| if (!mmc) |
| return; |
| |
| mmc_set_clock(mmc, mmc->saved_clock, false); |
| } |
| } |
| #endif |
| |
| /* |
| * 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 void store_boot_index_from_rom(void) |
| { |
| bootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX); |
| } |
| |
| void board_init_f(ulong dummy) |
| { |
| #if defined(CONFIG_K3_J721E_DDRSS) || defined(CONFIG_K3_LOAD_SYSFW) |
| struct udevice *dev; |
| int ret; |
| #endif |
| /* |
| * 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_index_from_rom(); |
| |
| /* Make all control module registers accessible */ |
| ctrl_mmr_unlock(); |
| |
| #ifdef CONFIG_CPU_V7R |
| disable_linefill_optimization(); |
| setup_k3_mpu_regions(); |
| #endif |
| |
| /* Init DM early */ |
| spl_early_init(); |
| |
| #ifdef CONFIG_K3_LOAD_SYSFW |
| /* |
| * Process pinctrl for the serial0 a.k.a. MCU_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, true, &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(k3_mmc_stop_clock, k3_mmc_restart_clock); |
| |
| /* Prepare console output */ |
| preloader_console_init(); |
| |
| /* Disable ROM configured firewalls right after loading sysfw */ |
| #ifdef CONFIG_TI_SECURE_DEVICE |
| remove_fwl_configs(cbass_hc_cfg0_fwls, ARRAY_SIZE(cbass_hc_cfg0_fwls)); |
| remove_fwl_configs(cbass_hc0_fwls, ARRAY_SIZE(cbass_hc0_fwls)); |
| remove_fwl_configs(cbass_rc_cfg0_fwls, ARRAY_SIZE(cbass_rc_cfg0_fwls)); |
| remove_fwl_configs(cbass_rc0_fwls, ARRAY_SIZE(cbass_rc0_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)); |
| #endif |
| #else |
| /* Prepare console output */ |
| preloader_console_init(); |
| #endif |
| |
| /* Output System Firmware version info */ |
| k3_sysfw_print_ver(); |
| |
| /* Perform EEPROM-based board detection */ |
| do_board_detect(); |
| |
| #if defined(CONFIG_CPU_V7R) && defined(CONFIG_K3_AVS0) |
| ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(k3_avs), |
| &dev); |
| if (ret) |
| printf("AVS init failed: %d\n", ret); |
| #endif |
| |
| #if defined(CONFIG_K3_J721E_DDRSS) |
| ret = uclass_get_device(UCLASS_RAM, 0, &dev); |
| if (ret) |
| panic("DRAM init failed: %d\n", ret); |
| #endif |
| spl_enable_dcache(); |
| } |
| |
| u32 spl_mmc_boot_mode(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_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); |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_K3_SPL_ATF |
| |
| #define J721E_DEV_MCU_RTI0 262 |
| #define J721E_DEV_MCU_RTI1 263 |
| #define J721E_DEV_MCU_ARMSS0_CPU0 250 |
| #define J721E_DEV_MCU_ARMSS0_CPU1 251 |
| |
| void release_resources_for_core_shutdown(void) |
| { |
| struct ti_sci_handle *ti_sci; |
| struct ti_sci_dev_ops *dev_ops; |
| struct ti_sci_proc_ops *proc_ops; |
| int ret; |
| u32 i; |
| |
| const u32 put_device_ids[] = { |
| J721E_DEV_MCU_RTI0, |
| J721E_DEV_MCU_RTI1, |
| }; |
| |
| ti_sci = get_ti_sci_handle(); |
| dev_ops = &ti_sci->ops.dev_ops; |
| proc_ops = &ti_sci->ops.proc_ops; |
| |
| /* Iterate through list of devices to put (shutdown) */ |
| for (i = 0; i < ARRAY_SIZE(put_device_ids); i++) { |
| u32 id = put_device_ids[i]; |
| |
| ret = dev_ops->put_device(ti_sci, id); |
| if (ret) |
| panic("Failed to put device %u (%d)\n", id, ret); |
| } |
| |
| const u32 put_core_ids[] = { |
| J721E_DEV_MCU_ARMSS0_CPU1, |
| J721E_DEV_MCU_ARMSS0_CPU0, /* Handle CPU0 after CPU1 */ |
| }; |
| |
| /* Iterate through list of cores to put (shutdown) */ |
| for (i = 0; i < ARRAY_SIZE(put_core_ids); i++) { |
| u32 id = put_core_ids[i]; |
| |
| /* |
| * Queue up the core shutdown request. Note that this call |
| * needs to be followed up by an actual invocation of an WFE |
| * or WFI CPU instruction. |
| */ |
| ret = proc_ops->proc_shutdown_no_wait(ti_sci, id); |
| if (ret) |
| panic("Failed sending core %u shutdown message (%d)\n", |
| id, ret); |
| } |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_K3_SPL_ATF |
| void start_non_linux_remote_cores(void) |
| { |
| int size = 0, ret; |
| u32 loadaddr = 0; |
| |
| size = load_firmware("name_mainr5f0_0fw", "addr_mainr5f0_0load", |
| &loadaddr); |
| if (size <= 0) |
| goto err_load; |
| |
| /* assuming remoteproc 2 is aliased for the needed remotecore */ |
| ret = rproc_load(2, loadaddr, size); |
| if (ret) { |
| printf("Firmware failed to start on rproc (%d)\n", ret); |
| goto err_load; |
| } |
| |
| ret = rproc_start(2); |
| if (ret) { |
| printf("Firmware init failed on rproc (%d)\n", ret); |
| goto err_load; |
| } |
| |
| printf("Remoteproc 2 started successfully\n"); |
| |
| return; |
| |
| err_load: |
| rproc_reset(2); |
| } |
| #endif |