1 files changed, 53 insertions, 17 deletions

diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index 24cbe2d..76ae1b6 100644
--- a/arch/arm/cpu/armv7/omap-common/boot-common.c
+++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -23,31 +23,56 @@
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 
-/*
- * This is used to verify if the configuration header
- * was executed by rom code prior to control of transfer
- * to the bootloader. SPL is responsible for saving and
- * passing the boot_params pointer to the u-boot.
- */
-struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
+DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_SPL_BUILD
-/*
- * We use static variables because global data is not ready yet.
- * Initialized data is available in SPL right from the beginning.
- * We would not typically need to save these parameters in regular
- * U-Boot. This is needed only in SPL at the moment.
- */
-u32 omap_bootmode = MMCSD_MODE_FAT;
+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)
 {
-	return (u32) (boot_params.omap_bootdevice);
+	return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
 }
 
 u32 spl_boot_mode(void)
 {
-	return omap_bootmode;
+	return gd->arch.omap_boot_params.omap_bootmode;
 }
 
 void spl_board_init(void)
@@ -73,4 +98,15 @@ int board_mmc_init(bd_t *bis)
 	}
 	return 0;
 }
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+	typedef void __noreturn (*image_entry_noargs_t)(u32 *);
+	image_entry_noargs_t image_entry =
+			(image_entry_noargs_t) spl_image->entry_point;
+
+	debug("image entry point: 0x%X\n", spl_image->entry_point);
+	/* Pass the saved boot_params from rom code */
+	image_entry((u32 *)&gd->arch.omap_boot_params);
+}
 #endif