board: ti: introduce the basic files needed to support the am62a

Introduce the bare minimum SD and UART support for the am62a sk.

Signed-off-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

4 files changed, 99 insertions, 0 deletions

diff --git a/board/ti/am62ax/Kconfig b/board/ti/am62ax/Kconfig
new file mode 100644
index 0000000000..2c18cd49b5
--- /dev/null
+++ b/board/ti/am62ax/Kconfig
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+#
+
+choice
+	prompt "TI K3 AM62Ax based boards"
+	optional
+
+config TARGET_AM62A7_A53_EVM
+	bool "TI K3 based AM62A7 EVM running on A53"
+	select ARM64
+	select SOC_K3_AM62A7
+	imply BOARD
+	imply SPL_BOARD
+	imply TI_I2C_BOARD_DETECT
+
+config TARGET_AM62A7_R5_EVM
+	bool "TI K3 based AM62A7 EVM running on R5"
+	select CPU_V7R
+	select SYS_THUMB_BUILD
+	select K3_LOAD_SYSFW
+	select SOC_K3_AM62A7
+	select RAM
+	select SPL_RAM
+	select K3_DDRSS
+	imply SYS_K3_SPL_ATF
+	imply TI_I2C_BOARD_DETECT
+
+endchoice
+
+if TARGET_AM62A7_R5_EVM || TARGET_AM62A7_A53_EVM
+
+config SYS_BOARD
+       default "am62ax"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "am62ax_evm"
+
+source "board/ti/common/Kconfig"
+
+endif
+
+if TARGET_AM62A7_R5_EVM
+
+config SPL_LDSCRIPT
+	default "arch/arm/mach-omap2/u-boot-spl.lds"
+
+endif
diff --git a/board/ti/am62ax/MAINTAINERS b/board/ti/am62ax/MAINTAINERS
new file mode 100644
index 0000000000..590f683584
--- /dev/null
+++ b/board/ti/am62ax/MAINTAINERS
@@ -0,0 +1,9 @@
+AM62Ax BOARD
+M:	Vignesh Raghavendra <vigneshr@ti.com>
+M:	Bryan Brattlof <bb@ti.com>
+M:	Tom Rini <trini@konsulko.com>
+S:	Maintained
+F:	board/ti/am62ax/
+F:	include/configs/am62a7_evm.h
+F:	configs/am62ax_evm_r5_defconfig
+F:	configs/am62ax_evm_a53_defconfig
diff --git a/board/ti/am62ax/Makefile b/board/ti/am62ax/Makefile
new file mode 100644
index 0000000000..4e8e7aa230
--- /dev/null
+++ b/board/ti/am62ax/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evm.o
diff --git a/board/ti/am62ax/evm.c b/board/ti/am62ax/evm.c
new file mode 100644
index 0000000000..beef3f2f3d
--- /dev/null
+++ b/board/ti/am62ax/evm.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for AM62Ax platforms
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ */
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include <common.h>
+#include <dm/uclass.h>
+#include <env.h>
+#include <fdt_support.h>
+#include <spl.h>
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	return fdtdec_setup_mem_size_base();
+}
+
+int dram_init_banksize(void)
+{
+	return fdtdec_setup_memory_banksize();
+}