diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/boot-common.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/boot-common.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index bff7e9c..76ae1b6 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -25,6 +25,45 @@ DECLARE_GLOBAL_DATA_PTR; +void save_omap_boot_params(void) +{ + u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); + u8 boot_device; + u32 dev_desc, dev_data; + + if ((rom_params < NON_SECURE_SRAM_START) || + (rom_params > NON_SECURE_SRAM_END)) + return; + + /* + * rom_params can be type casted to omap_boot_parameters and + * used. But it not correct to assume that romcode structure + * encoding would be same as u-boot. So use the defined offsets. + */ + gd->arch.omap_boot_params.omap_bootdevice = boot_device = + *((u8 *)(rom_params + BOOT_DEVICE_OFFSET)); + + gd->arch.omap_boot_params.ch_flags = + *((u8 *)(rom_params + CH_FLAGS_OFFSET)); + + if ((boot_device >= MMC_BOOT_DEVICES_START) && + (boot_device <= MMC_BOOT_DEVICES_END)) { +#if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) + if ((omap_hw_init_context() == + OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) { + gd->arch.omap_boot_params.omap_bootmode = + *((u8 *)(rom_params + BOOT_MODE_OFFSET)); + } else +#endif + { + dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET)); + dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET)); + gd->arch.omap_boot_params.omap_bootmode = + *((u32 *)(dev_data + BOOT_MODE_OFFSET)); + } + } +} + #ifdef CONFIG_SPL_BUILD u32 spl_boot_device(void) { |