Introduce the basic functions and definitions needed to properly initialize TI's am62p family of SoCs
Signed-off-by: Bryan Brattlof bb@ti.com --- arch/arm/mach-k3/Kconfig | 7 +- arch/arm/mach-k3/am62p5_init.c | 280 ++++++++++++++++++ arch/arm/mach-k3/am62px/Kconfig | 32 ++ .../arm/mach-k3/include/mach/am62p_hardware.h | 83 ++++++ arch/arm/mach-k3/include/mach/am62p_spl.h | 49 +++ arch/arm/mach-k3/include/mach/hardware.h | 4 + arch/arm/mach-k3/include/mach/spl.h | 4 + 7 files changed, 458 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-k3/am62p5_init.c create mode 100644 arch/arm/mach-k3/am62px/Kconfig create mode 100644 arch/arm/mach-k3/include/mach/am62p_hardware.h create mode 100644 arch/arm/mach-k3/include/mach/am62p_spl.h
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig index 0574e81075e6d..02a9c423ecdb8 100644 --- a/arch/arm/mach-k3/Kconfig +++ b/arch/arm/mach-k3/Kconfig @@ -22,6 +22,9 @@ config SOC_K3_AM625 config SOC_K3_AM62A7 bool "TI's K3 based AM62A7 SoC Family Support"
+config SOC_K3_AM62P5 + bool "TI's K3 based AM62P5 SoC Family Support" + endchoice
if SOC_K3_J721E @@ -34,7 +37,7 @@ config SYS_SOC
config SYS_K3_NON_SECURE_MSRAM_SIZE hex - default 0x80000 if SOC_K3_AM654 + default 0x80000 if SOC_K3_AM654 || SOC_K3_AM62P5 default 0x100000 if SOC_K3_J721E || SOC_K3_J721S2 default 0x1c0000 if SOC_K3_AM642 default 0x3c000 if SOC_K3_AM625 || SOC_K3_AM62A7 @@ -78,6 +81,7 @@ config SYS_K3_BOOT_PARAM_TABLE_INDEX default 0x43c3f290 if SOC_K3_AM625 default 0x43c3f290 if SOC_K3_AM62A7 && CPU_V7R default 0x7000f290 if SOC_K3_AM62A7 && ARM64 + default 0x43c4f290 if SOC_K3_AM62P5 help Address at which ROM stores the value which determines if SPL is booted up by primary boot media or secondary boot media. @@ -153,6 +157,7 @@ source "arch/arm/mach-k3/am65x/Kconfig" source "arch/arm/mach-k3/am64x/Kconfig" source "arch/arm/mach-k3/am62x/Kconfig" source "arch/arm/mach-k3/am62ax/Kconfig" +source "arch/arm/mach-k3/am62px/Kconfig" source "arch/arm/mach-k3/j721e/Kconfig" source "arch/arm/mach-k3/j721s2/Kconfig"
diff --git a/arch/arm/mach-k3/am62p5_init.c b/arch/arm/mach-k3/am62p5_init.c new file mode 100644 index 0000000000000..5b6795cc7d246 --- /dev/null +++ b/arch/arm/mach-k3/am62p5_init.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * AM62P5: SoC specific initialization + * + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#include <spl.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include "sysfw-loader.h" +#include "common.h" +#include <dm.h> +#include <dm/uclass-internal.h> +#include <dm/pinctrl.h> + +struct fwl_data cbass_main_fwls[] = { + { "FSS_DAT_REG3", 7, 8 }, +}; + +/* + * 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)); +} + +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, 5); + mmr_unlock(WKUP_CTRL_MMR0_BASE, 6); + mmr_unlock(WKUP_CTRL_MMR0_BASE, 7); + + /* 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, 4); + mmr_unlock(CTRL_MMR0_BASE, 5); + mmr_unlock(CTRL_MMR0_BASE, 6); + + /* 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); + mmr_unlock(MCU_CTRL_MMR0_BASE, 6); + + /* Unlock PADCFG_CTRL_MMR padconf registers */ + mmr_unlock(PADCFG_MMR0_BASE, 1); + mmr_unlock(PADCFG_MMR1_BASE, 1); +} + +void board_init_f(ulong dummy) +{ + struct udevice *dev; + int ret; + + if (IS_ENABLED(CONFIG_CPU_V7R)) + setup_k3_mpu_regions(); + + /* + * 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(); + + ctrl_mmr_unlock(); + + /* Init DM early */ + ret = spl_early_init(); + if (ret) + panic("spl_early_init() failed: %d\n", ret); + + /* + * Process pinctrl for the serial0 and serial3, aka WKUP_UART0 and + * MAIN_UART1 modules 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 + * UARTs will be used by the DM firmware and TIFS firmware images + * respectively and the firmware depend on SPL to initialize the pin + * settings. + */ + ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev); + if (!ret) + pinctrl_select_state(dev, "default"); + + ret = uclass_find_device_by_seq(UCLASS_SERIAL, 3, &dev); + if (!ret) + pinctrl_select_state(dev, "default"); + + /* + * Allow establishing an early console as required for example when + * doing a UART-based boot. Note that this console may not "survive" + * through a SYSFW PM-init step and will need a re-init in some way + * due to changing module clock frequencies. + */ + if (IS_ENABLED(CONFIG_K3_EARLY_CONS)) + ret = early_console_init(); + if (ret) + panic("early_console_init() failed: %d\n", ret); + } + + /* + * Configure and start up 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. + */ + if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW) { + ret = is_rom_loaded_sysfw(&bootdata); + if (!ret) + panic("ROM has not loaded TIFS firmware\n"); + + k3_sysfw_loader(true, NULL, NULL); + } + + /* + * Force probe of clk_k3 driver here to ensure basic default clock + * configuration is always done. + */ + if (IS_ENABLED(CONFIG_SPL_CLK_K3)) { + ret = uclass_get_device_by_driver(UCLASS_CLK, + DM_DRIVER_GET(ti_clk), + &dev); + if (ret) + printf("Failed to initialize clk-k3!\n"); + } + + preloader_console_init(); + + /* Output System Firmware version info */ + k3_sysfw_print_ver(); + + /* Disable ROM configured firewalls right after loading sysfw */ + remove_fwl_configs(cbass_main_fwls, ARRAY_SIZE(cbass_main_fwls)); + + if (IS_ENABLED(CONFIG_K3_AM62A_DDRSS)) { + ret = uclass_get_device(UCLASS_RAM, 0, &dev); + if (ret) + panic("DRAM init failed: %d\n", ret); + } + + spl_enable_cache(); + debug("am62px_init: %s done\n", __func__); +} + +u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device) +{ + u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT); + u32 bootmode = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >> + MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT; + u32 bootmode_cfg = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >> + MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT; + + switch (bootmode) { + case BOOT_DEVICE_EMMC: + return MMCSD_MODE_EMMCBOOT; + case BOOT_DEVICE_MMC: + if (bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_MASK) + return MMCSD_MODE_RAW; + default: + return MMCSD_MODE_FS; + } +} + +static u32 __get_backup_bootmedia(u32 devstat) +{ + u32 bkup_bootmode = (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK) >> + MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT; + u32 bkup_bootmode_cfg = + (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK) >> + MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT; + + switch (bkup_bootmode) { + case BACKUP_BOOT_DEVICE_UART: + return BOOT_DEVICE_UART; + + case BACKUP_BOOT_DEVICE_USB: + return BOOT_DEVICE_USB; + + case BACKUP_BOOT_DEVICE_ETHERNET: + return BOOT_DEVICE_ETHERNET; + + case BACKUP_BOOT_DEVICE_MMC: + if (bkup_bootmode_cfg) + return BOOT_DEVICE_MMC2; + return BOOT_DEVICE_MMC1; + + case BACKUP_BOOT_DEVICE_SPI: + return BOOT_DEVICE_SPI; + + case BACKUP_BOOT_DEVICE_I2C: + return BOOT_DEVICE_I2C; + + case BACKUP_BOOT_DEVICE_DFU: + if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK) + return BOOT_DEVICE_USB; + return BOOT_DEVICE_DFU; + }; + + return BOOT_DEVICE_RAM; +} + +static u32 __get_primary_bootmedia(u32 devstat) +{ + u32 bootmode = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >> + MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT; + u32 bootmode_cfg = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >> + MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT; + + switch (bootmode) { + case BOOT_DEVICE_OSPI: + fallthrough; + case BOOT_DEVICE_QSPI: + fallthrough; + case BOOT_DEVICE_XSPI: + fallthrough; + case BOOT_DEVICE_SPI: + return BOOT_DEVICE_SPI; + + case BOOT_DEVICE_ETHERNET_RGMII: + fallthrough; + case BOOT_DEVICE_ETHERNET_RMII: + return BOOT_DEVICE_ETHERNET; + + case BOOT_DEVICE_EMMC: + return BOOT_DEVICE_MMC1; + + case BOOT_DEVICE_SPI_NAND: + return BOOT_DEVICE_SPINAND; + + case BOOT_DEVICE_MMC: + if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK) >> + MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT) + return BOOT_DEVICE_MMC2; + return BOOT_DEVICE_MMC1; + + case BOOT_DEVICE_DFU: + if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >> + MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT) + return BOOT_DEVICE_USB; + return BOOT_DEVICE_DFU; + + case BOOT_DEVICE_NOBOOT: + return BOOT_DEVICE_RAM; + } + + return bootmode; +} + +u32 spl_boot_device(void) +{ + u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT); + u32 bootmedia; + + if (bootindex == K3_PRIMARY_BOOTMODE) + bootmedia = __get_primary_bootmedia(devstat); + else + bootmedia = __get_backup_bootmedia(devstat); + + debug("am62px_init: %s: devstat = 0x%x bootmedia = 0x%x bootindex = %d\n", + __func__, devstat, bootmedia, bootindex); + return bootmedia; +} diff --git a/arch/arm/mach-k3/am62px/Kconfig b/arch/arm/mach-k3/am62px/Kconfig new file mode 100644 index 0000000000000..38a9e6811b119 --- /dev/null +++ b/arch/arm/mach-k3/am62px/Kconfig @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/ +# + +if SOC_K3_AM62P5 + +choice + prompt "TI K3 AM62Px based boards" + optional + +config TARGET_AM62P5_A53_EVM + bool "TI K3 based AM62P5 EVM running on A53" + select ARM64 + select BINMAN + +config TARGET_AM62P5_R5_EVM + bool "TI K3 based AM62P5 EVM running on R5" + select CPU_V7R + select SYS_THUMB_BUILD + select K3_LOAD_SYSFW + select RAM + select SPL_RAM + select K3_DDRSS + select BINMAN + imply SYS_K3_SPL_ATF + +endchoice + +source "board/ti/am62px/Kconfig" + +endif diff --git a/arch/arm/mach-k3/include/mach/am62p_hardware.h b/arch/arm/mach-k3/include/mach/am62p_hardware.h new file mode 100644 index 0000000000000..923466c41f456 --- /dev/null +++ b/arch/arm/mach-k3/include/mach/am62p_hardware.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * K3: AM62Px SoC definitions, structures etc. + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef __ASM_ARCH_AM62P_HARDWARE_H +#define __ASM_ARCH_AM62P_HARDWARE_H + +#include <config.h> +#ifndef __ASSEMBLY__ +#include <linux/bitops.h> +#endif + +#define PADCFG_MMR0_BASE 0x04080000 +#define PADCFG_MMR1_BASE 0x000f0000 +#define CTRL_MMR0_BASE 0x00100000 +#define MCU_CTRL_MMR0_BASE 0x04500000 +#define WKUP_CTRL_MMR0_BASE 0x43000000 + +#define CTRLMMR_MAIN_DEVSTAT (WKUP_CTRL_MMR0_BASE + 0x30) +#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK GENMASK(6, 3) +#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3 +#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK GENMASK(9, 7) +#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT 7 +#define MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK GENMASK(12, 10) +#define MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT 10 +#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK BIT(13) +#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT 13 + +/* Primary Bootmode MMC Config macros */ +#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK 0x4 +#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT 2 +#define MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_MASK 0x1 +#define MAIN_DEVSTAT_PRIMARY_MMC_FS_RAW_SHIFT 0 + +/* Primary Bootmode USB Config macros */ +#define MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT 1 +#define MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK 0x02 + +/* Backup Bootmode USB Config macros */ +#define MAIN_DEVSTAT_BACKUP_USB_MODE_MASK 0x01 + +/* + * The CTRL_MMR0 memory space is divided into several equally-spaced + * partitions, so defining the partition size allows us to determine + * register addresses common to those partitions. + */ +#define CTRL_MMR0_PARTITION_SIZE 0x4000 + +/* + * CTRL_MMR0, WKUP_CTRL_MMR0, and MCU_CTRL_MMR0 lock/kick-mechanism + * shared register definitions. The same registers are also used for + * PADCFG_MMR lock/kick-mechanism. + */ +#define CTRLMMR_LOCK_KICK0 0x1008 +#define CTRLMMR_LOCK_KICK0_UNLOCK_VAL 0x68ef3490 +#define CTRLMMR_LOCK_KICK1 0x100c +#define CTRLMMR_LOCK_KICK1_UNLOCK_VAL 0xd172bc5a + +#define MCU_CTRL_LFXOSC_CTRL (MCU_CTRL_MMR0_BASE + 0x8038) +#define MCU_CTRL_LFXOSC_TRIM (MCU_CTRL_MMR0_BASE + 0x803c) +#define MCU_CTRL_LFXOSC_32K_DISABLE_VAL BIT(7) + +#define MCU_CTRL_DEVICE_CLKOUT_32K_CTRL (MCU_CTRL_MMR0_BASE + 0x8058) +#define MCU_CTRL_DEVICE_CLKOUT_LFOSC_SELECT_VAL (0x3) + +#define ROM_EXTENDED_BOOT_DATA_INFO 0x43c4f1e0 + +#define K3_BOOT_PARAM_TABLE_INDEX_OCRAM 0x7000F290 + +#define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x43c30000 + +#if defined(CONFIG_SYS_K3_SPL_ATF) && !defined(__ASSEMBLY__) + +static const u32 put_device_ids[] = {}; + +static const u32 put_core_ids[] = {}; + +#endif + +#endif /* __ASM_ARCH_AM62P_HARDWARE_H */ diff --git a/arch/arm/mach-k3/include/mach/am62p_spl.h b/arch/arm/mach-k3/include/mach/am62p_spl.h new file mode 100644 index 0000000000000..db145a7bc83ba --- /dev/null +++ b/arch/arm/mach-k3/include/mach/am62p_spl.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef _ASM_ARCH_AM62P_SPL_H_ +#define _ASM_ARCH_AM62P_SPL_H_ + +/* Primary BootMode devices */ +#define BOOT_DEVICE_SPI_NAND 0x00 +#define BOOT_DEVICE_RAM 0xFF +#define BOOT_DEVICE_OSPI 0x01 +#define BOOT_DEVICE_QSPI 0x02 +#define BOOT_DEVICE_SPI 0x03 +#define BOOT_DEVICE_CPGMAC 0x04 +#define BOOT_DEVICE_ETHERNET_RGMII 0x04 +#define BOOT_DEVICE_ETHERNET_RMII 0x05 +#define BOOT_DEVICE_I2C 0x06 +#define BOOT_DEVICE_UART 0x07 +#define BOOT_DEVICE_MMC 0x08 +#define BOOT_DEVICE_EMMC 0x09 + +#define BOOT_DEVICE_USB 0x2A +#define BOOT_DEVICE_DFU 0x0A +#define BOOT_DEVICE_GPMC_NAND 0x0B +#define BOOT_DEVICE_GPMC_NOR 0x0C +#define BOOT_DEVICE_XSPI 0x0E +#define BOOT_DEVICE_NOBOOT 0x0F + +/* U-Boot used aliases */ +#define BOOT_DEVICE_ETHERNET 0x04 +#define BOOT_DEVICE_SPINAND 0x10 +#define BOOT_DEVICE_MMC2 0x08 +#define BOOT_DEVICE_MMC1 0x09 +/* Invalid */ +#define BOOT_DEVICE_MMC2_2 0x1F + +/* Backup BootMode devices */ +#define BACKUP_BOOT_DEVICE_DFU 0x01 +#define BACKUP_BOOT_DEVICE_UART 0x03 +#define BACKUP_BOOT_DEVICE_ETHERNET 0x04 +#define BACKUP_BOOT_DEVICE_MMC 0x05 +#define BACKUP_BOOT_DEVICE_SPI 0x06 +#define BACKUP_BOOT_DEVICE_I2C 0x07 +#define BACKUP_BOOT_DEVICE_USB 0x09 + +#define K3_PRIMARY_BOOTMODE 0x0 + +#endif /* _ASM_ARCH_AM62P_SPL_H_ */ diff --git a/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h index 040288150b12f..c035386d0978c 100644 --- a/arch/arm/mach-k3/include/mach/hardware.h +++ b/arch/arm/mach-k3/include/mach/hardware.h @@ -33,6 +33,10 @@ #include "am62a_qos.h" #endif
+#ifdef CONFIG_SOC_K3_AM62P5 +#include "am62p_hardware.h" +#endif + /* Assuming these addresses and definitions stay common across K3 devices */ #define CTRLMMR_WKUP_JTAG_ID (WKUP_CTRL_MMR0_BASE + 0x14) #define JTAG_ID_VARIANT_SHIFT 28 diff --git a/arch/arm/mach-k3/include/mach/spl.h b/arch/arm/mach-k3/include/mach/spl.h index 3ddc7eb6b63c2..f3b77cdcbb59e 100644 --- a/arch/arm/mach-k3/include/mach/spl.h +++ b/arch/arm/mach-k3/include/mach/spl.h @@ -30,4 +30,8 @@ #include "am62a_spl.h" #endif
+#ifdef CONFIG_SOC_K3_AM62P5 +#include "am62p_spl.h" +#endif + #endif /* _ASM_ARCH_SPL_H_ */