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-rw-r--r--board/freescale/common/fsl_chain_of_trust.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/board/freescale/common/fsl_chain_of_trust.c b/board/freescale/common/fsl_chain_of_trust.c
index ecfcc82..290536d 100644
--- a/board/freescale/common/fsl_chain_of_trust.c
+++ b/board/freescale/common/fsl_chain_of_trust.c
@@ -6,7 +6,17 @@
#include <common.h>
#include <fsl_validate.h>
+#include <fsl_secboot_err.h>
#include <fsl_sfp.h>
+#include <dm/root.h>
+
+#ifdef CONFIG_ADDR_MAP
+#include <asm/mmu.h>
+#endif
+
+#ifdef CONFIG_FSL_CORENET
+#include <asm/fsl_pamu.h>
+#endif
#ifdef CONFIG_LS102XA
#include <asm/arch/immap_ls102xa.h>
@@ -52,6 +62,7 @@ int fsl_check_boot_mode_secure(void)
return 0;
}
+#ifndef CONFIG_SPL_BUILD
int fsl_setenv_chain_of_trust(void)
{
/* Check Boot Mode
@@ -68,3 +79,48 @@ int fsl_setenv_chain_of_trust(void)
setenv("bootcmd", CONFIG_CHAIN_BOOT_CMD);
return 0;
}
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+void spl_validate_uboot(uint32_t hdr_addr, uintptr_t img_addr)
+{
+ int res;
+
+ /*
+ * Check Boot Mode
+ * If Boot Mode is Non-Secure, skip validation
+ */
+ if (fsl_check_boot_mode_secure() == 0)
+ return;
+
+ printf("SPL: Validating U-Boot image\n");
+
+#ifdef CONFIG_ADDR_MAP
+ init_addr_map();
+#endif
+
+#ifdef CONFIG_FSL_CORENET
+ if (pamu_init() < 0)
+ fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT);
+#endif
+
+#ifdef CONFIG_FSL_CAAM
+ if (sec_init() < 0)
+ fsl_secboot_handle_error(ERROR_ESBC_SEC_INIT);
+#endif
+
+/*
+ * dm_init_and_scan() is called as part of common SPL framework, so no
+ * need to call it again but in case of powerpc platforms which currently
+ * 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);
+#endif
+ res = fsl_secboot_validate(hdr_addr, CONFIG_SPL_UBOOT_KEY_HASH,
+ &img_addr);
+
+ if (res == 0)
+ printf("SPL: Validation of U-boot successful\n");
+}
+#endif /* ifdef CONFIG_SPL_BUILD */