summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/omap-common/boot-common.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/boot-common.c')
-rw-r--r--arch/arm/cpu/armv7/omap-common/boot-common.c39
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 bff7e9c82a..76ae1b675f 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)
{