armv8: ls1088ardb: Add TFABOOT support

TFABOOT support includes:
- ls1088ardb_tfa_defconfig to be loaded by trusted firmware
- environment address and size changes for TFABOOT
- MC address changes for TFABOOT
- define BOOTCOMMAND for TFABOOT
- ifc chip select changes for TFABOOT

Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Pankit Garg <pankit.garg@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

3 files changed, 93 insertions, 0 deletions

diff --git a/board/freescale/ls1088a/MAINTAINERS b/board/freescale/ls1088a/MAINTAINERS
index 4d804d9447..bca9969637 100644
--- a/board/freescale/ls1088a/MAINTAINERS
+++ b/board/freescale/ls1088a/MAINTAINERS
@@ -1,15 +1,18 @@
 LS1088ARDB BOARD
 M:	Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
 M:	Ashish Kumar <Ashish.Kumar@nxp.com>
+M:	Rajesh Bhagat <rajesh.bhagat@nxp.com>
 S:	Maintained
 F:	board/freescale/ls1088a/
 F:	include/configs/ls1088ardb.h
 F:	configs/ls1088ardb_qspi_defconfig
 F:	configs/ls1088ardb_sdcard_qspi_defconfig
+F:	configs/ls1088ardb_tfa_defconfig
 
 LS1088AQDS BOARD
 M:	Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
 M:	Ashish Kumar <Ashish.Kumar@nxp.com>
+M:	Rajesh Bhagat <rajesh.bhagat@nxp.com>
 S:	Maintained
 F:	board/freescale/ls1088a/
 F:	include/configs/ls1088aqds.h
@@ -17,6 +20,7 @@ F:	configs/ls1088aqds_qspi_defconfig
 F:	configs/ls1088aqds_sdcard_qspi_defconfig
 F:	configs/ls1088aqds_defconfig
 F:	configs/ls1088aqds_sdcard_ifc_defconfig
+F:	configs/ls1088aqds_tfa_defconfig
 
 LS1088AQDS_QSPI_SECURE_BOOT BOARD
 M:	Udit Agarwal <udit.agarwal@nxp.com>
diff --git a/board/freescale/ls1088a/ddr.c b/board/freescale/ls1088a/ddr.c
index 78d573a845..c21a2ce059 100644
--- a/board/freescale/ls1088a/ddr.c
+++ b/board/freescale/ls1088a/ddr.c
@@ -111,7 +111,17 @@ found:
 			  DDR_CDR2_VREF_TRAIN_EN | DDR_CDR2_VREF_RANGE_2;
 }
 
+#ifdef CONFIG_TFABOOT
+int fsl_initdram(void)
+{
+	gd->ram_size = tfa_get_dram_size();
+
+	if (!gd->ram_size)
+		gd->ram_size = fsl_ddr_sdram_size();
 
+	return 0;
+}
+#else
 int fsl_initdram(void)
 {
 	puts("Initializing DDR....using SPD\n");
@@ -123,3 +133,4 @@ int fsl_initdram(void)
 #endif
 	return 0;
 }
+#endif /* CONFIG_TFABOOT */
diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index 1e2ad98c6e..f3018aa5da 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -88,6 +88,9 @@ int fixup_ls1088ardb_pb_banner(void *fdt)
 #if !defined(CONFIG_SPL_BUILD)
 int checkboard(void)
 {
+#ifdef CONFIG_TFABOOT
+	enum boot_src src = get_boot_src();
+#endif
 	char buf[64];
 	u8 sw;
 	static const char *const freq[] = {"100", "125", "156.25",
@@ -117,9 +120,14 @@ int checkboard(void)
 	sw = QIXIS_READ(brdcfg[0]);
 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
 
+#ifdef CONFIG_TFABOOT
+	if (src == BOOT_SOURCE_SD_MMC)
+		puts("SD card\n");
+#else
 #ifdef CONFIG_SD_BOOT
 	puts("SD card\n");
 #endif
+#endif /* CONFIG_TFABOOT */
 	switch (sw) {
 #ifdef CONFIG_TARGET_LS1088AQDS
 	case 0:
@@ -546,6 +554,10 @@ void fdt_fixup_board_enet(void *fdt)
 void fsl_fdt_fixup_flash(void *fdt)
 {
 	int offset;
+#ifdef CONFIG_TFABOOT
+	u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
+	u32 val;
+#endif
 
 /*
  * IFC-NOR and QSPI are muxed on SoC.
@@ -553,6 +565,37 @@ void fsl_fdt_fixup_flash(void *fdt)
  * disable QSPI node in dts in case QSPI is not enabled.
  */
 
+#ifdef CONFIG_TFABOOT
+	enum boot_src src = get_boot_src();
+	bool disable_ifc = false;
+
+	switch (src) {
+	case BOOT_SOURCE_IFC_NOR:
+		disable_ifc = false;
+		break;
+	case BOOT_SOURCE_QSPI_NOR:
+		disable_ifc = true;
+		break;
+	default:
+		val = in_le32(dcfg_ccsr + DCFG_RCWSR15 / 4);
+		if (DCFG_RCWSR15_IFCGRPABASE_QSPI == (val & (u32)0x3))
+			disable_ifc = true;
+		break;
+	}
+
+	if (disable_ifc) {
+		offset = fdt_path_offset(fdt, "/soc/ifc/nor");
+
+		if (offset < 0)
+			offset = fdt_path_offset(fdt, "/ifc/nor");
+	} else {
+		offset = fdt_path_offset(fdt, "/soc/quadspi");
+
+		if (offset < 0)
+			offset = fdt_path_offset(fdt, "/quadspi");
+	}
+
+#else
 #ifdef CONFIG_FSL_QSPI
 	offset = fdt_path_offset(fdt, "/soc/ifc/nor");
 
@@ -564,6 +607,7 @@ void fsl_fdt_fixup_flash(void *fdt)
 	if (offset < 0)
 		offset = fdt_path_offset(fdt, "/quadspi");
 #endif
+#endif
 	if (offset < 0)
 		return;
 
@@ -613,3 +657,37 @@ int ft_board_setup(void *blob, bd_t *bd)
 }
 #endif
 #endif /* defined(CONFIG_SPL_BUILD) */
+
+#ifdef CONFIG_TFABOOT
+#ifdef CONFIG_MTD_NOR_FLASH
+int is_flash_available(void)
+{
+	char *env_hwconfig = env_get("hwconfig");
+	enum boot_src src = get_boot_src();
+	int is_nor_flash_available = 1;
+
+	switch (src) {
+	case BOOT_SOURCE_IFC_NOR:
+		is_nor_flash_available = 1;
+		break;
+	case BOOT_SOURCE_QSPI_NOR:
+		is_nor_flash_available = 0;
+		break;
+	/*
+	 * In Case of SD boot,if qspi is defined in env_hwconfig
+	 * disable nor flash probe.
+	 */
+	default:
+		if (hwconfig_f("qspi", env_hwconfig))
+			is_nor_flash_available = 0;
+		break;
+	}
+	return is_nor_flash_available;
+}
+#endif
+
+void *env_sf_get_env_addr(void)
+{
+	return (void *)(CONFIG_SYS_FSL_QSPI_BASE + CONFIG_ENV_OFFSET);
+}
+#endif