am33xx/omap: Move save_omap_boot_params to omap-common/boot-common.c

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / omap-common / boot-common.c

diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index bff7e9c82a1ef0be65d6b9bd0f52cca312bcfc74..76ae1b675fec9de008832b7d9f46c6b6f86cd0f5 100644 (file)
--- 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)
 {