armv8: ls2088ardb: Add TFABOOT support

TFABOOT support includes:
  - ls2088ardb_tfa_defconfig to be loaded by trusted firmware
  - environment address and size changes for TFABOOT
  - define BOOTCOMMAND for TFABOOT
  - remove EL3 specific erratas for TFABOOT

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

4 files changed, 58 insertions, 0 deletions

diff --git a/board/freescale/ls2080a/ls2080a.c b/board/freescale/ls2080a/ls2080a.c
index 698ae1f9a6..ad3596a8a1 100644
--- a/board/freescale/ls2080a/ls2080a.c
+++ b/board/freescale/ls2080a/ls2080a.c
@@ -142,3 +142,10 @@ void reset_phy(void)
 {
 }
 #endif
+
+#ifdef CONFIG_TFABOOT
+void *env_sf_get_env_addr(void)
+{
+	return (void *)(CONFIG_SYS_FSL_QSPI_BASE1 + CONFIG_ENV_OFFSET);
+}
+#endif
diff --git a/board/freescale/ls2080ardb/MAINTAINERS b/board/freescale/ls2080ardb/MAINTAINERS
index bbe56e2052..1f6014deed 100644
--- a/board/freescale/ls2080ardb/MAINTAINERS
+++ b/board/freescale/ls2080ardb/MAINTAINERS
@@ -9,8 +9,10 @@ F:	configs/ls2080ardb_nand_defconfig
 
 LS2088A_QSPI-boot BOARD
 M:	Priyanka Jain <priyanka.jain@nxp.com>
+M:	Rajesh Bhagat <rajesh.bhagat@nxp.com>
 S:	Maintained
 F:	configs/ls2088ardb_qspi_defconfig
+F:	configs/ls2088ardb_tfa_defconfig
 
 LS2081ARDB BOARD
 M:	Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/freescale/ls2080ardb/ddr.c b/board/freescale/ls2080ardb/ddr.c
index 26eb14b812..72ce872c75 100644
--- a/board/freescale/ls2080ardb/ddr.c
+++ b/board/freescale/ls2080ardb/ddr.c
@@ -160,6 +160,17 @@ found:
 	}
 }
 
+#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)
 {
 #if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
@@ -172,3 +183,4 @@ int fsl_initdram(void)
 
 	return 0;
 }
+#endif /* CONFIG_TFABOOT */
diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c
index cf91bc30fb..20e1fce0fc 100644
--- a/board/freescale/ls2080ardb/ls2080ardb.c
+++ b/board/freescale/ls2080ardb/ls2080ardb.c
@@ -346,12 +346,47 @@ void board_quiesce_devices(void)
 void fsl_fdt_fixup_flash(void *fdt)
 {
 	int offset;
+#ifdef CONFIG_TFABOOT
+	u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
+	u32 val;
+#endif
 
 /*
  * IFC and QSPI are muxed on board.
  * So disable IFC node in dts if QSPI is enabled or
  * 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");
+
+		if (offset < 0)
+			offset = fdt_path_offset(fdt, "/ifc");
+	} 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");
 
@@ -363,6 +398,8 @@ void fsl_fdt_fixup_flash(void *fdt)
 	if (offset < 0)
 		offset = fdt_path_offset(fdt, "/quadspi");
 #endif
+#endif
+
 	if (offset < 0)
 		return;