diff options
Diffstat (limited to 'arch/arm/mach-k3/j784s4/j784s4_init.c')
| -rw-r--r-- | arch/arm/mach-k3/j784s4/j784s4_init.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/j784s4/j784s4_init.c b/arch/arm/mach-k3/j784s4/j784s4_init.c new file mode 100644 index 00000000000..07b5d7d7504 --- /dev/null +++ b/arch/arm/mach-k3/j784s4/j784s4_init.c @@ -0,0 +1,341 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * J784S4: SoC specific initialization + * + * Copyright (C) 2023-2024 Texas Instruments Incorporated - https://www.ti.com/ + * Hari Nagalla <hnagalla@ti.com> + */ + +#include <init.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/armv7_mpu.h> +#include <asm/arch/hardware.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> + +#include "../sysfw-loader.h" +#include "../common.h" + +#define J784S4_MAX_DDR_CONTROLLERS 4 + +/* NAVSS North Bridge (NB) */ +#define NAVSS0_NBSS_NB0_CFG_MMRS 0x03702000 +#define NAVSS0_NBSS_NB1_CFG_MMRS 0x03703000 +#define NAVSS0_NBSS_NB0_CFG_NB_THREADMAP (NAVSS0_NBSS_NB0_CFG_MMRS + 0x10) +#define NAVSS0_NBSS_NB1_CFG_NB_THREADMAP (NAVSS0_NBSS_NB1_CFG_MMRS + 0x10) +/* + * Thread Map for North Bridge Configuration + * Each bit is for each VBUSM source. + * Bit[0] maps orderID 0-3 to VBUSM.C thread number + * Bit[1] maps orderID 4-9 to VBUSM.C thread number + * Bit[2] maps orderID 10-15 to VBUSM.C thread number + * When bit has value 0: VBUSM.C thread 0 (non-real time traffic) + * When bit has value 1: VBUSM.C thread 2 (real time traffic) + */ +#define NB_THREADMAP_BIT0 BIT(0) +#define NB_THREADMAP_BIT1 BIT(1) +#define NB_THREADMAP_BIT2 BIT(2) + +struct fwl_data infra_cbass0_fwls[] = { + { "PSC0", 5, 1 }, + { "PLL_CTRL0", 6, 1 }, + { "PLL_MMR0", 8, 26 }, + { "CTRL_MMR0", 9, 16 }, + { "GPIO0", 16, 1 }, +}, 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 }, +}, 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 }, +}, cbass_rc_cfg0_fwls[] = { + { "EMMCSD4SS0_CFG", 2400, 4 }, +}, cbass_hc2_fwls[] = { + { "PCIE0", 2547, 24 }, +}, cbass_hc_cfg0_fwls[] = { + { "PCIE0_CFG", 2577, 7 }, + { "EMMC8SS0_CFG", 2579, 4 }, + { "USB3SS0_CORE", 2580, 4 }, + { "USB3SS1_CORE", 2581, 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); +} + +/* Setup North Bridge registers to map ORDERID 10-15 to RT traffic */ +static void setup_navss_nb(void) +{ + writel(NB_THREADMAP_BIT1, (uintptr_t)NAVSS0_NBSS_NB0_CFG_NB_THREADMAP); + writel(NB_THREADMAP_BIT2, (uintptr_t)NAVSS0_NBSS_NB1_CFG_NB_THREADMAP); +} + +/* + * 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 __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 */ + ret = spl_early_init(); + + /* Prepare console output */ + preloader_console_init(); + + if (IS_ENABLED(CONFIG_CPU_V7R)) { + /* + * 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 (TIFS) image for various purposes and TIFS 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 TIFS post-PM configuration + * callback hook, effectively switching on (or over) the console + * output. + */ + k3_sysfw_loader(is_rom_loaded_sysfw(&bootdata), NULL, NULL); + + 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(); +} + +void k3_mem_init(void) +{ + struct udevice *dev; + int ret, ctrl = 0; + + if (IS_ENABLED(CONFIG_K3_J721E_DDRSS)) { + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) + panic("DRAM 0 init failed: %d\n", ret); + ctrl++; + + while (ctrl < J784S4_MAX_DDR_CONTROLLERS) { + ret = uclass_next_device_err(&dev); + if (ret == -ENODEV) + break; + + if (ret) + panic("DRAM %d init failed: %d\n", ctrl, ret); + ctrl++; + } + printf("Initialized %d DRAM controllers\n", ctrl); + } + + spl_enable_cache(); +} + +void board_init_f(ulong dummy) +{ + k3_spl_init(); + k3_mem_init(); + + if (IS_ENABLED(CONFIG_CPU_V7R)) + setup_navss_nb(); + + setup_qos(); +} + +u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device) +{ + switch (boot_device) { + case BOOT_DEVICE_MMC1: + if (IS_ENABLED(CONFIG_SUPPORT_EMMC_BOOT)) + return MMCSD_MODE_EMMCBOOT; + if (IS_ENABLED(CONFIG_SPL_FS_FAT) || IS_ENABLED(CONFIG_SPL_FS_EXT4)) + return MMCSD_MODE_FS; + 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_spi_boot_bus(void) +{ + u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT); + u32 main_devstat = readl(CTRLMMR_MAIN_DEVSTAT); + u32 bootmode = ((wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >> + WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT) | + ((main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) << BOOT_MODE_B_SHIFT); + + return (bootmode == BOOT_DEVICE_QSPI) ? 1 : 0; +} + +u32 spl_boot_device(void) +{ + u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT); + u32 main_devstat; + + if (wkup_devstat & WKUP_DEVSTAT_MCU_ONLY_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); +} |