board: ti: j721e: Add board support for j721e evm

Add board specific initialization for j721e evm

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>

3 files changed, 131 insertions, 0 deletions

diff --git a/board/ti/j721e/Kconfig b/board/ti/j721e/Kconfig
new file mode 100644
index 0000000000..c2deb6916a
--- /dev/null
+++ b/board/ti/j721e/Kconfig
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+#	Lokesh Vutla <lokeshvutla@ti.com>
+
+choice
+	prompt "K3 J721E based boards"
+	optional
+
+config TARGET_J721E_A72_EVM
+	bool "TI K3 based J721E EVM running on A72"
+	select ARM64
+	select SOC_K3_J721E
+	select SYS_DISABLE_DCACHE_OPS
+
+config TARGET_J721E_R5_EVM
+	bool "TI K3 based J721E EVM running on R5"
+	select CPU_V7R
+	select SYS_THUMB_BUILD
+	select SOC_K3_J721E
+	select K3_LOAD_SYSFW
+	select RAM
+	select SPL_RAM
+	imply SYS_K3_SPL_ATF
+
+endchoice
+
+if TARGET_J721E_A72_EVM
+
+config SYS_BOARD
+       default "j721e"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "j721e_evm"
+
+endif
+
+if TARGET_J721E_R5_EVM
+
+config SYS_BOARD
+       default "j721e"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "j721e_evm"
+
+config SPL_LDSCRIPT
+	default "arch/arm/mach-omap2/u-boot-spl.lds"
+
+endif
diff --git a/board/ti/j721e/Makefile b/board/ti/j721e/Makefile
new file mode 100644
index 0000000000..97535f5d86
--- /dev/null
+++ b/board/ti/j721e/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+#	Lokesh Vutla <lokeshvutla@ti.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evm.o
diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c
new file mode 100644
index 0000000000..43d502b6ca
--- /dev/null
+++ b/board/ti/j721e/evm.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for J721E EVM
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+#ifdef CONFIG_PHYS_64BIT
+	gd->ram_size = 0x100000000;
+#else
+	gd->ram_size = 0x80000000;
+#endif
+
+	return 0;
+}
+
+ulong board_get_usable_ram_top(ulong total_size)
+{
+#ifdef CONFIG_PHYS_64BIT
+	/* Limit RAM used by U-Boot to the DDR low region */
+	if (gd->ram_top > 0x100000000)
+		return 0x100000000;
+#endif
+
+	return gd->ram_top;
+}
+
+int dram_init_banksize(void)
+{
+	/* Bank 0 declares the memory available in the DDR low region */
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = 0x80000000;
+	gd->ram_size = 0x80000000;
+
+#ifdef CONFIG_PHYS_64BIT
+	/* Bank 1 declares the memory available in the DDR high region */
+	gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
+	gd->bd->bi_dram[1].size = 0x80000000;
+	gd->ram_size = 0x100000000;
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	if (!strcmp(name, "k3-j721e-common-proc-board"))
+		return 0;
+
+	return -1;
+}
+#endif