diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-k3/Kconfig | 4 | ||||
| -rw-r--r-- | arch/arm/mach-k3/am62a7_init.c | 16 | ||||
| -rw-r--r-- | arch/arm/mach-k3/include/mach/am62a_hardware.h | 17 |
3 files changed, 33 insertions, 4 deletions
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig index 87da6b49ee6b..a8c3a593d570 100644 --- a/arch/arm/mach-k3/Kconfig +++ b/arch/arm/mach-k3/Kconfig @@ -69,7 +69,9 @@ config SYS_K3_BOOT_PARAM_TABLE_INDEX default 0x41cffbfc if SOC_K3_J721E default 0x41cfdbfc if SOC_K3_J721S2 default 0x701bebfc if SOC_K3_AM642 - default 0x43c3f290 if SOC_K3_AM625 || SOC_K3_AM62A7 + default 0x43c3f290 if SOC_K3_AM625 + default 0x43c3f290 if SOC_K3_AM62A7 && CPU_V7R + default 0x7000f290 if SOC_K3_AM62A7 && ARM64 help Address at which ROM stores the value which determines if SPL is booted up by primary boot media or secondary boot media. diff --git a/arch/arm/mach-k3/am62a7_init.c b/arch/arm/mach-k3/am62a7_init.c index e9569f0d2641..02da24a3d6f0 100644 --- a/arch/arm/mach-k3/am62a7_init.c +++ b/arch/arm/mach-k3/am62a7_init.c @@ -25,8 +25,11 @@ 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_ENTENDED_BOOT_DATA_INFO, - sizeof(struct rom_extended_boot_data)); + + if (IS_ENABLED(CONFIG_CPU_V7R)) { + memcpy(&bootdata, (uintptr_t *)ROM_ENTENDED_BOOT_DATA_INFO, + sizeof(struct rom_extended_boot_data)); + } } static void ctrl_mmr_unlock(void) @@ -123,6 +126,15 @@ void board_init_f(ulong dummy) k3_sysfw_loader(true, NULL, NULL); #endif +#if defined(CONFIG_CPU_V7R) + /* + * Relocate boot information to OCRAM (after TIFS has opend this + * region for us) so the next bootloader stages can keep access to + * primary vs backup bootmodes. + */ + writel(bootindex, K3_BOOT_PARAM_TABLE_INDEX_OCRAM); +#endif + /* * Force probe of clk_k3 driver here to ensure basic default clock * configuration is always done. diff --git a/arch/arm/mach-k3/include/mach/am62a_hardware.h b/arch/arm/mach-k3/include/mach/am62a_hardware.h index 52b0d9b3cb95..13bf50f147b1 100644 --- a/arch/arm/mach-k3/include/mach/am62a_hardware.h +++ b/arch/arm/mach-k3/include/mach/am62a_hardware.h @@ -68,7 +68,22 @@ #define ROM_ENTENDED_BOOT_DATA_INFO 0x43c3f1e0 -/* Use Last 2K as Scratch pad */ +#define K3_BOOT_PARAM_TABLE_INDEX_OCRAM 0x7000F290 + +/* + * During the boot process ROM will kill anything that writes to OCSRAM. + * This means the wakeup SPL cannot use this region during boot. To + * complicate things, TIFS will set a firewall between HSM RAM and the + * main domain. + * + * So, during the wakeup SPL, we will need to store the EEPROM data + * somewhere in HSM RAM, and the main domain's SPL will need to store it + * somewhere in OCSRAM + */ +#ifdef CONFIG_CPU_V7R +#define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x43c30000 +#else #define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x70000001 +#endif /* CONFIG_CPU_V7R */ #endif /* __ASM_ARCH_AM62A_HARDWARE_H */ |