[U-Boot] [PATCH v3 2/3] LS1046AQDS: Add NOR Secure Boot Target

[Sumit Garg]

Add NOR secure boot target. Also enable sec init.

Signed-off-by: Vinitha Pillai <vinitha.pillai at nxp.com>
Signed-off-by: Sumit Garg <sumit.garg at nxp.com>
---

Changes in v3:
Changes in comment style.

Changes in v2:
Split patches logically from 2 to 3.

 board/freescale/ls1046aqds/MAINTAINERS   |  4 ++++
 board/freescale/ls1046aqds/ls1046aqds.c  | 19 +++++++++++++++++++
 configs/ls1046aqds_SECURE_BOOT_defconfig | 29 +++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 configs/ls1046aqds_SECURE_BOOT_defconfig

diff --git a/board/freescale/ls1046aqds/MAINTAINERS b/board/freescale/ls1046aqds/MAINTAINERS
index b4549ae..6737d55 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 at 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 552365b..405b20a 100644
--- a/board/freescale/ls1046aqds/ls1046aqds.c
+++ b/board/freescale/ls1046aqds/ls1046aqds.c
@@ -20,6 +20,7 @@
 #include <fsl_csu.h>
 #include <fsl_esdhc.h>
 #include <fsl_ifc.h>
+#include <fsl_sec.h>
 #include <spl.h>
 
 #include "../common/vid.h"
@@ -260,6 +261,24 @@ 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;
 }
 
diff --git a/configs/ls1046aqds_SECURE_BOOT_defconfig b/configs/ls1046aqds_SECURE_BOOT_defconfig
new file mode 100644
index 0000000..9831f75
--- /dev/null
+++ b/configs/ls1046aqds_SECURE_BOOT_defconfig
@@ -0,0 +1,29 @@
+CONFIG_ARM=y
+CONFIG_TARGET_LS1046AQDS=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1046a-qds-duart"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_SYS_EXTRA_OPTIONS="SECURE_BOOT"
+CONFIG_BOOTDELAY=10
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GREPENV=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_SYS_NS16550=y
+CONFIG_DM_SPI=y
+CONFIG_FSL_DSPI=y
+CONFIG_RSA=y
-- 
1.8.1.4