powerpc/mpc85xx: SECURE BOOT-Copy Boot Script on RAM
For running Chain of Trust when doing Secure Boot from NAND,
the Bootscript header and bootscript must be copied from NAND
to RAM(DDR).
The addresses and commands for the same have been defined.
Signed-off-by: Saksham Jain <saksham@freescale.com>
Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Aneesh Bansal <aneesh.bansal@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/arch/powerpc/include/asm/fsl_secure_boot.h b/arch/powerpc/include/asm/fsl_secure_boot.h
index 442853c..d57bb55 100644
--- a/arch/powerpc/include/asm/fsl_secure_boot.h
+++ b/arch/powerpc/include/asm/fsl_secure_boot.h
@@ -75,6 +75,18 @@
#endif
#ifndef CONFIG_FIT_SIGNATURE
+/* If Boot Script is not on NOR and is required to be copied on RAM */
+#ifdef CONFIG_BOOTSCRIPT_COPY_RAM
+#define CONFIG_BS_HDR_ADDR_RAM 0x00010000
+#define CONFIG_BS_HDR_ADDR_FLASH 0x00800000
+#define CONFIG_BS_HDR_SIZE 0x00002000
+#define CONFIG_BS_ADDR_RAM 0x00012000
+#define CONFIG_BS_ADDR_FLASH 0x00802000
+#define CONFIG_BS_SIZE 0x00001000
+
+#define CONFIG_BOOTSCRIPT_HDR_ADDR CONFIG_BS_HDR_ADDR_RAM
+#else
+
/* The bootscript header address is different for B4860 because the NOR
* mapping is different on B4 due to reduced NOR size.
*/
@@ -90,6 +102,8 @@
#define CONFIG_BOOTSCRIPT_HDR_ADDR 0xee020000
#endif
+#endif
+
#include <config_fsl_secboot.h>
#endif