board: ti: am64x: Add board support for am64x evm

Add board specific initialization for am64x based boards.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>

3 files changed, 109 insertions, 0 deletions

diff --git a/board/ti/am64x/Kconfig b/board/ti/am64x/Kconfig
new file mode 100644
index 0000000000..57527be1df
--- /dev/null
+++ b/board/ti/am64x/Kconfig
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
+
+choice
+	prompt "K3 AM64 based boards"
+	optional
+
+config TARGET_AM642_A53_EVM
+	bool "TI K3 based AM642 EVM running on A53"
+	select ARM64
+	select SOC_K3_AM642
+	imply BOARD
+	imply SPL_BOARD
+
+config TARGET_AM642_R5_EVM
+	bool "TI K3 based AM642 EVM running on R5"
+	select CPU_V7R
+	select SYS_THUMB_BUILD
+	select K3_LOAD_SYSFW
+	select SOC_K3_AM642
+	imply SYS_K3_SPL_ATF
+
+endchoice
+
+if TARGET_AM642_A53_EVM
+
+config SYS_BOARD
+       default "am64x"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "am64x_evm"
+
+endif
+
+if TARGET_AM642_R5_EVM
+
+config SYS_BOARD
+       default "am64x"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "am64x_evm"
+
+config SPL_LDSCRIPT
+	default "arch/arm/mach-omap2/u-boot-spl.lds"
+
+endif
diff --git a/board/ti/am64x/Makefile b/board/ti/am64x/Makefile
new file mode 100644
index 0000000000..8b98e6f5fd
--- /dev/null
+++ b/board/ti/am64x/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
+#	Keerthy <j-keerthy@ti.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evm.o
diff --git a/board/ti/am64x/evm.c b/board/ti/am64x/evm.c
new file mode 100644
index 0000000000..bbb81dddb3
--- /dev/null
+++ b/board/ti/am64x/evm.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for AM642 EVM
+ *
+ * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
+ *	Keerthy <j-keerthy@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)
+{
+	gd->ram_size = 0x80000000;
+
+	return 0;
+}
+
+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;
+
+	return 0;
+}
+
+#if defined(CONFIG_SPL_LOAD_FIT)
+int board_fit_config_name_match(const char *name)
+{
+#if defined(CONFIG_TARGET_AM642_A53_EVM)
+	if (!strcmp(name, "k3-am642-evm"))
+		return 0;
+#endif
+
+	return -1;
+}
+#endif