From b7c19ea1ca7d3a02b8aa1e0f756ca60951fa367e Mon Sep 17 00:00:00 2001
From: Sumit Garg <sumit.garg@nxp.com>
Date: Thu, 23 Mar 2017 13:48:17 +0530
Subject: armv8: LS1046AQDS: Add NOR Secure Boot Target

Add NOR secure boot target. Also enable sec init.

Signed-off-by: Vinitha Pillai <vinitha.pillai@nxp.com>
Signed-off-by: Sumit Garg <sumit.garg@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
---
 board/freescale/ls1046aqds/MAINTAINERS  |  4 ++++
 board/freescale/ls1046aqds/ls1046aqds.c | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+)

(limited to 'board')

diff --git a/board/freescale/ls1046aqds/MAINTAINERS b/board/freescale/ls1046aqds/MAINTAINERS
index b4549ae138d..6737d558ce0 100644
--- a/board/freescale/ls1046aqds/MAINTAINERS
+++ b/board/freescale/ls1046aqds/MAINTAINERS
@@ -8,3 +8,7 @@ F:	configs/ls1046aqds_nand_defconfig
 F:	configs/ls1046aqds_sdcard_ifc_defconfig
 F:	configs/ls1046aqds_sdcard_qspi_defconfig
 F:	configs/ls1046aqds_qspi_defconfig
+
+M:	Sumit Garg <sumit.garg@nxp.com>
+S:	Maintained
+F:	configs/ls1046aqds_SECURE_BOOT_defconfig
diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c
index 69fc15b6815..58ce75acf6c 100644
--- a/board/freescale/ls1046aqds/ls1046aqds.c
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -22,6 +22,7 @@
 #include <fsl_csu.h>
 #include <fsl_esdhc.h>
 #include <fsl_ifc.h>
+#include <fsl_sec.h>
 #include <spl.h>
 
 #include "../common/vid.h"
@@ -266,6 +267,24 @@ int board_init(void)
 	if (adjust_vdd(0))
 		printf("Warning: Adjusting core voltage failed.\n");
 
+#ifdef CONFIG_SECURE_BOOT
+	/*
+	 * In case of Secure Boot, the IBR configures the SMMU
+	 * to allow only Secure transactions.
+	 * SMMU must be reset in bypass mode.
+	 * Set the ClientPD bit and Clear the USFCFG Bit
+	 */
+	u32 val;
+	val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
+	out_le32(SMMU_SCR0, val);
+	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
+	out_le32(SMMU_NSCR0, val);
+#endif
+
+#ifdef CONFIG_FSL_CAAM
+	sec_init();
+#endif
+
 	return 0;
 }
 
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