diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/lowlevel_init.S')
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/lowlevel_init.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap4/lowlevel_init.S b/arch/arm/cpu/armv7/omap4/lowlevel_init.S index 6abfbba..91525ec 100644 --- a/arch/arm/cpu/armv7/omap4/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap4/lowlevel_init.S @@ -27,6 +27,37 @@ */ #include <asm/arch/omap4.h> +#ifdef CONFIG_SPL_BUILD +.global save_boot_params +save_boot_params: + /* + * See if the rom code passed pointer is valid: + * It is not valid if it is not in non-secure SRAM + * This may happen if you are booting with the help of + * debugger + */ + ldr r2, =NON_SECURE_SRAM_START + cmp r2, r0 + bgt 1f + ldr r2, =NON_SECURE_SRAM_END + cmp r2, r0 + blt 1f + + /* Store the boot device in omap4_boot_device */ + ldr r2, [r0, #BOOT_DEVICE_OFFSET] @ r1 <- value of boot device + and r2, #BOOT_DEVICE_MASK + ldr r3, =omap4_boot_device + str r2, [r3] @ omap4_boot_device <- r1 + + /* Store the boot mode (raw/FAT) in omap4_boot_mode */ + ldr r2, [r0, #DEV_DESC_PTR_OFFSET] @ get the device descriptor ptr + ldr r2, [r2, #DEV_DATA_PTR_OFFSET] @ get the pDeviceData ptr + ldr r2, [r2, #BOOT_MODE_OFFSET] @ get the boot mode + ldr r3, =omap4_boot_mode + str r2, [r3] +1: + bx lr +#endif .globl lowlevel_init lowlevel_init: |