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path: root/board/freescale/common/fsl_chain_of_trust.c
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Diffstat (limited to 'board/freescale/common/fsl_chain_of_trust.c')
-rw-r--r--board/freescale/common/fsl_chain_of_trust.c34
1 files changed, 33 insertions, 1 deletions
diff --git a/board/freescale/common/fsl_chain_of_trust.c b/board/freescale/common/fsl_chain_of_trust.c
index 290536db15..dea231b866 100644
--- a/board/freescale/common/fsl_chain_of_trust.c
+++ b/board/freescale/common/fsl_chain_of_trust.c
@@ -10,6 +10,10 @@
#include <fsl_sfp.h>
#include <dm/root.h>
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_FRAMEWORK)
+#include <spl.h>
+#endif
+
#ifdef CONFIG_ADDR_MAP
#include <asm/mmu.h>
#endif
@@ -115,7 +119,7 @@ void spl_validate_uboot(uint32_t hdr_addr, uintptr_t img_addr)
* do not use common SPL framework, so need to call this function here.
*/
#if defined(CONFIG_SPL_DM) && (!defined(CONFIG_SPL_FRAMEWORK))
- dm_init_and_scan(false);
+ dm_init_and_scan(true);
#endif
res = fsl_secboot_validate(hdr_addr, CONFIG_SPL_UBOOT_KEY_HASH,
&img_addr);
@@ -123,4 +127,32 @@ void spl_validate_uboot(uint32_t hdr_addr, uintptr_t img_addr)
if (res == 0)
printf("SPL: Validation of U-boot successful\n");
}
+
+#ifdef CONFIG_SPL_FRAMEWORK
+/* Override weak funtion defined in SPL framework to enable validation
+ * of main u-boot image before jumping to u-boot image.
+ */
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+ typedef void __noreturn (*image_entry_noargs_t)(void);
+ uint32_t hdr_addr;
+
+ image_entry_noargs_t image_entry =
+ (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
+
+ hdr_addr = (spl_image->entry_point + spl_image->size -
+ CONFIG_U_BOOT_HDR_SIZE);
+ spl_validate_uboot(hdr_addr, (uintptr_t)spl_image->entry_point);
+ /*
+ * In case of failure in validation, spl_validate_uboot would
+ * not return back in case of Production environment with ITS=1.
+ * Thus U-Boot will not start.
+ * In Development environment (ITS=0 and SB_EN=1), the function
+ * may return back in case of non-fatal failures.
+ */
+
+ debug("image entry point: 0x%X\n", spl_image->entry_point);
+ image_entry();
+}
+#endif /* ifdef CONFIG_SPL_FRAMEWORK */
#endif /* ifdef CONFIG_SPL_BUILD */