board: ti: j784s4: Add board support for J784S4 SoC

Add board support for J784S4 SoC.

Signed-off-by: Hari Nagalla <hnagalla@ti.com>

1 files changed, 105 insertions, 0 deletions

diff --git a/board/ti/j784s4/evm.c b/board/ti/j784s4/evm.c
new file mode 100644
index 0000000000..ae8622874e
--- /dev/null
+++ b/board/ti/j784s4/evm.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for J784S4 EVM
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ *	Hari Nagalla <hnagalla@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <env.h>
+#include <fdt_support.h>
+#include <generic-phy.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <net.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <spl.h>
+#include <asm/arch/sys_proto.h>
+#include <dm.h>
+#include <dm/uclass-internal.h>
+
+#include "../common/board_detect.h"
+
+#define board_is_j784s4_evm()	board_ti_k3_is("J784S4-EVM")
+
+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;
+}
+
+phys_size_t board_get_usable_ram_top(phys_size_t 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 = CFG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = 0x7fffffff;
+	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 = CFG_SYS_SDRAM_BASE1;
+	gd->bd->bi_dram[1].size = 0x77fffffff;
+	gd->ram_size = 0x800000000;
+#endif
+
+	return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	int ret;
+
+	ret = fdt_fixup_msmc_ram(blob, "/bus@100000", "sram@70000000");
+	if (ret < 0)
+		ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000",
+					 "sram@70000000");
+	if (ret)
+		printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
+
+	return ret;
+}
+#endif
+
+int board_late_init(void)
+{
+	if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
+		setup_board_eeprom_env();
+		setup_serial();
+	}
+
+	return 0;
+}
+
+void spl_board_init(void)
+{
+}