Add J784S4 initialization files for initial SPL boot.
Signed-off-by: Hari Nagalla hnagalla@ti.com [ add firewall configurations and change the R5 MCU scratchpad ] Signed-off-by: Manorit Chawdhry m-chawdhry@ti.com Signed-off-by: Dasnavis Sabiya sabiya.d@ti.com Signed-off-by: Apurva Nandan a-nandan@ti.com Reviewed-by: Neha Malcom Francis n-francis@ti.com --- arch/arm/mach-k3/Kconfig | 16 +- arch/arm/mach-k3/Makefile | 2 + arch/arm/mach-k3/include/mach/hardware.h | 4 + .../mach-k3/include/mach/j784s4_hardware.h | 60 ++++ arch/arm/mach-k3/include/mach/j784s4_spl.h | 47 +++ arch/arm/mach-k3/include/mach/spl.h | 4 + arch/arm/mach-k3/j784s4_fdt.c | 15 + arch/arm/mach-k3/j784s4_init.c | 330 ++++++++++++++++++ arch/arm/mach-k3/r5/Makefile | 1 + 9 files changed, 472 insertions(+), 7 deletions(-) create mode 100644 arch/arm/mach-k3/include/mach/j784s4_hardware.h create mode 100644 arch/arm/mach-k3/include/mach/j784s4_spl.h create mode 100644 arch/arm/mach-k3/j784s4_fdt.c create mode 100644 arch/arm/mach-k3/j784s4_init.c
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig index 03898424c9..150d0bfa14 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_J784S4 + bool "TI's K3 based J784S4 SoC Family Support" + endchoice
if SOC_K3_J721E @@ -35,7 +38,7 @@ config SYS_SOC config SYS_K3_NON_SECURE_MSRAM_SIZE hex default 0x80000 if SOC_K3_AM654 - default 0x100000 if SOC_K3_J721E || SOC_K3_J721S2 + default 0x100000 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4 default 0x1c0000 if SOC_K3_AM642 default 0x3c000 if SOC_K3_AM625 || SOC_K3_AM62A7 help @@ -47,7 +50,7 @@ config SYS_K3_NON_SECURE_MSRAM_SIZE config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE hex default 0x58000 if SOC_K3_AM654 - default 0xc0000 if SOC_K3_J721E || SOC_K3_J721S2 + default 0xc0000 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4 default 0x180000 if SOC_K3_AM642 default 0x38000 if SOC_K3_AM625 || SOC_K3_AM62A7 help @@ -57,15 +60,14 @@ config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE config SYS_K3_MCU_SCRATCHPAD_BASE hex default 0x40280000 if SOC_K3_AM654 - default 0x41cff9fc if SOC_K3_J721S2 - default 0x41cff9fc if SOC_K3_J721E + default 0x41cff9fc if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4 help Describes the base address of MCU Scratchpad RAM.
config SYS_K3_MCU_SCRATCHPAD_SIZE hex default 0x200 if SOC_K3_AM654 - default 0x200 if SOC_K3_J721E || SOC_K3_J721S2 + default 0x200 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4 help Describes the size of MCU Scratchpad RAM.
@@ -73,7 +75,7 @@ config SYS_K3_BOOT_PARAM_TABLE_INDEX hex default 0x41c7fbfc if SOC_K3_AM654 default 0x41cffbfc if SOC_K3_J721E - default 0x41cfdbfc if SOC_K3_J721S2 + default 0x41cfdbfc if SOC_K3_J721S2 || SOC_K3_J784S4 default 0x701bebfc if SOC_K3_AM642 default 0x43c3f290 if SOC_K3_AM625 default 0x43c3f290 if SOC_K3_AM62A7 && CPU_V7R @@ -130,7 +132,7 @@ config K3_ATF_LOAD_ADDR
config K3_DM_FW bool "Separate DM firmware image" - depends on CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 || SOC_K3_AM62A7) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN + depends on CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 || SOC_K3_AM62A7 || SOC_K3_J784S4) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN default y help Enabling this will indicate that the system has separate DM diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile index 4216137646..945698e6e8 100644 --- a/arch/arm/mach-k3/Makefile +++ b/arch/arm/mach-k3/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_SOC_K3_AM654) += am654_fdt.o obj-$(CONFIG_SOC_K3_J721E) += j721e_fdt.o obj-$(CONFIG_SOC_K3_J721S2) += j721s2_fdt.o obj-$(CONFIG_SOC_K3_AM625) += am625_fdt.o +obj-$(CONFIG_SOC_K3_J784S4) += j784s4_fdt.o endif ifeq ($(CONFIG_SPL_BUILD),y) obj-$(CONFIG_SOC_K3_AM654) += am654_init.o @@ -20,5 +21,6 @@ obj-$(CONFIG_SOC_K3_J721S2) += j721s2_init.o obj-$(CONFIG_SOC_K3_AM642) += am642_init.o obj-$(CONFIG_SOC_K3_AM625) += am625_init.o obj-$(CONFIG_SOC_K3_AM62A7) += am62a7_init.o +obj-$(CONFIG_SOC_K3_J784S4) += j784s4_init.o endif obj-y += common.o security.o diff --git a/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h index a1a9dfbde6..0cf1e12aaa 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_J784S4 +#include "j784s4_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/j784s4_hardware.h b/arch/arm/mach-k3/include/mach/j784s4_hardware.h new file mode 100644 index 0000000000..a34ca6db23 --- /dev/null +++ b/arch/arm/mach-k3/include/mach/j784s4_hardware.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * K3: J784S4 SoC definitions, structures etc. + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ +#ifndef __ASM_ARCH_J784S4_HARDWARE_H +#define __ASM_ARCH_J784S4_HARDWARE_H + +#include <config.h> +#ifndef __ASSEMBLY__ +#include <linux/bitops.h> +#endif + +#define WKUP_CTRL_MMR0_BASE 0x43000000 +#define MCU_CTRL_MMR0_BASE 0x40f00000 +#define CTRL_MMR0_BASE 0x00100000 + +#define CTRLMMR_MAIN_DEVSTAT (CTRL_MMR0_BASE + 0x30) +#define MAIN_DEVSTAT_BOOT_MODE_B_MASK BIT(0) +#define MAIN_DEVSTAT_BOOT_MODE_B_SHIFT 0 +#define MAIN_DEVSTAT_BKUP_BOOTMODE_MASK GENMASK(3, 1) +#define MAIN_DEVSTAT_BKUP_BOOTMODE_SHIFT 1 +#define MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK BIT(6) +#define MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT 6 +#define MAIN_DEVSTAT_BKUP_MMC_PORT_MASK BIT(7) +#define MAIN_DEVSTAT_BKUP_MMC_PORT_SHIFT 7 + +#define CTRLMMR_WKUP_DEVSTAT (WKUP_CTRL_MMR0_BASE + 0x30) +#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK GENMASK(5, 3) +#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3 +#define WKUP_DEVSTAT_MCU_OMLY_MASK BIT(6) +#define WKUP_DEVSTAT_MCU_ONLY_SHIFT 6 + +/* ROM HANDOFF Structure location */ +#define ROM_EXTENDED_BOOT_DATA_INFO 0x41cfdb00 + +/* MCU SCRATCHPAD usage */ +#define TI_SRAM_SCRATCH_BOARD_EEPROM_START CONFIG_SYS_K3_MCU_SCRATCHPAD_BASE + +#if defined(CONFIG_SYS_K3_SPL_ATF) && !defined(__ASSEMBLY__) + +#define J784S4_DEV_MCU_RTI0 367 +#define J784S4_DEV_MCU_RTI1 368 +#define J784S4_DEV_MCU_ARMSS0_CPU0 346 +#define J784S4_DEV_MCU_ARMSS0_CPU1 347 + +static const u32 put_device_ids[] = { + J784S4_DEV_MCU_RTI0, + J784S4_DEV_MCU_RTI1, +}; + +static const u32 put_core_ids[] = { + J784S4_DEV_MCU_ARMSS0_CPU1, + J784S4_DEV_MCU_ARMSS0_CPU0, /* Handle CPU0 after CPU1 */ +}; + +#endif + +#endif /* __ASM_ARCH_J784S4_HARDWARE_H */ diff --git a/arch/arm/mach-k3/include/mach/j784s4_spl.h b/arch/arm/mach-k3/include/mach/j784s4_spl.h new file mode 100644 index 0000000000..08e6ff5c0c --- /dev/null +++ b/arch/arm/mach-k3/include/mach/j784s4_spl.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef _ASM_ARCH_J784S4_SPL_H_ +#define _ASM_ARCH_J784S4_SPL_H_ + +/* With BootMode B = 0 */ +#include <linux/bitops.h> + +#define BOOT_DEVICE_HYPERFLASH 0x00 +#define BOOT_DEVICE_OSPI 0x01 +#define BOOT_DEVICE_QSPI 0x02 +#define BOOT_DEVICE_SPI 0x03 +#define BOOT_DEVICE_ETHERNET 0x04 +#define BOOT_DEVICE_I2C 0x06 +#define BOOT_DEVICE_UART 0x07 +#define BOOT_DEVICE_NOR BOOT_DEVICE_HYPERFLASH + +/* With BootMode B = 1 */ +#define BOOT_DEVICE_MMC2 0x10 +#define BOOT_DEVICE_MMC1 0x11 +#define BOOT_DEVICE_DFU 0x12 +#define BOOT_DEVICE_UFS 0x13 +#define BOOT_DEVIE_GPMC 0x14 +#define BOOT_DEVICE_PCIE 0x15 +#define BOOT_DEVICE_XSPI 0x16 +#define BOOT_DEVICE_RAM 0x17 +#define BOOT_DEVICE_MMC2_2 0xFF /* Invalid value */ + +/* Backup boot modes with MCU Only = 0 */ +#define BACKUP_BOOT_DEVICE_RAM 0x0 +#define BACKUP_BOOT_DEVICE_USB 0x1 +#define BACKUP_BOOT_DEVICE_UART 0x3 +#define BACKUP_BOOT_DEVICE_ETHERNET 0x4 +#define BACKUP_BOOT_DEVICE_MMC2 0x5 +#define BACKUP_BOOT_DEVICE_SPI 0x6 +#define BACKUP_BOOT_DEVICE_I2C 0x7 + +#define BOOT_MODE_B_SHIFT 4 +#define BOOT_MODE_B_MASK BIT(4) + +#define K3_PRIMARY_BOOTMODE 0x0 +#define K3_BACKUP_BOOTMODE 0x1 + +#endif diff --git a/arch/arm/mach-k3/include/mach/spl.h b/arch/arm/mach-k3/include/mach/spl.h index 3ddc7eb6b6..6f01ab58e2 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_J784S4 +#include "j784s4_spl.h" +#endif + #endif /* _ASM_ARCH_SPL_H_ */ diff --git a/arch/arm/mach-k3/j784s4_fdt.c b/arch/arm/mach-k3/j784s4_fdt.c new file mode 100644 index 0000000000..125f55c9a6 --- /dev/null +++ b/arch/arm/mach-k3/j784s4_fdt.c @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * J784S4: SoC specific initialization + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + * Apurva Nandan a-nandan@ti.com + */ + +#include "common_fdt.h" +#include <fdt_support.h> + +int ft_system_setup(void *blob, struct bd_info *bd) +{ + return fdt_fixup_msmc_ram_k3(blob); +} diff --git a/arch/arm/mach-k3/j784s4_init.c b/arch/arm/mach-k3/j784s4_init.c new file mode 100644 index 0000000000..a0c837f5f4 --- /dev/null +++ b/arch/arm/mach-k3/j784s4_init.c @@ -0,0 +1,330 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * J784S4: SoC specific initialization + * + * Copyright (C) 2023 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 "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 <mmc.h> +#include <remoteproc.h> + +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); +} + +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 __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 board_init_f(ulong dummy) +{ + struct udevice *dev; + int ret, ctr = 1; + + /* + * 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_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(); + + if (IS_ENABLED(CONFIG_TARGET_J784S4_R5_EVM)) { + 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); + + while (dev) { + ret = uclass_next_device_err(&dev); + if (ret) { + printf("Initialized %d DRAM controllers\n", ctr); + break; + } + ctr++; + } + } + + spl_enable_cache(); +} + +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)) { + if (spl_mmc_emmc_boot_partition(mmc)) + return MMCSD_MODE_EMMCBOOT; + return MMCSD_MODE_FS; + } + 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_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); +} diff --git a/arch/arm/mach-k3/r5/Makefile b/arch/arm/mach-k3/r5/Makefile index b99199d337..b666ed34d1 100644 --- a/arch/arm/mach-k3/r5/Makefile +++ b/arch/arm/mach-k3/r5/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_SOC_K3_J721E) += j7200/ obj-$(CONFIG_SOC_K3_J721S2) += j721s2/ obj-$(CONFIG_SOC_K3_AM625) += am62x/ obj-$(CONFIG_SOC_K3_AM62A7) += am62ax/ +obj-$(CONFIG_SOC_K3_J784S4) += j784s4/
obj-y += lowlevel_init.o obj-y += r5_mpu.o