[PATCH 06/10] board: ti: common: k3-ddr-init: Pull redundant DDR functions to a common location

[Santhosh Kumar K]

As there are few redundant functions in board/ti/*/evm.c files, pull
them to a common location of access to reuse.

Signed-off-by: Santhosh Kumar K <s-k6 at ti.com>
---
 board/ti/common/k3-ddr-init.c | 75 +++++++++++++++++++++++++++++++++++
 board/ti/common/k3-ddr-init.h | 15 +++++++
 2 files changed, 90 insertions(+)
 create mode 100644 board/ti/common/k3-ddr-init.c
 create mode 100644 board/ti/common/k3-ddr-init.h

diff --git a/board/ti/common/k3-ddr-init.c b/board/ti/common/k3-ddr-init.c
new file mode 100644
index 000000000000..889db49982ac
--- /dev/null
+++ b/board/ti/common/k3-ddr-init.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023, Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include <fdt_support.h>
+#include <dm/uclass.h>
+#include <k3-ddrss.h>
+#include <spl.h>
+
+#include "k3-ddr-init.h"
+
+int dram_init(void)
+{
+	s32 ret;
+
+	ret = fdtdec_setup_mem_size_base_lowest();
+	if (ret)
+		printf("Error setting up mem size and base. %d\n", ret);
+
+	return ret;
+}
+
+int dram_init_banksize(void)
+{
+	s32 ret;
+
+	ret = fdtdec_setup_memory_banksize();
+	if (ret)
+		printf("Error setting up memory banksize. %d\n", ret);
+
+	return ret;
+}
+
+#if defined(CONFIG_SPL_BUILD)
+
+void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image)
+{
+	struct udevice *dev;
+	int ret;
+
+	dram_init_banksize();
+
+	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+	if (ret)
+		panic("Cannnot get RAM device for ddr size fixup: %d\n", ret);
+
+	ret = k3_ddrss_ddr_fdt_fixup(dev, spl_image->fdt_addr, gd->bd);
+	if (ret)
+		printf("Error fixing up ddr node for ECC use! %d\n", ret);
+}
+
+void fixup_memory_node(struct spl_image_info *spl_image)
+{
+	u64 start[CONFIG_NR_DRAM_BANKS];
+	u64 size[CONFIG_NR_DRAM_BANKS];
+	int bank;
+	int ret;
+
+	dram_init();
+	dram_init_banksize();
+
+	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+		start[bank] = gd->bd->bi_dram[bank].start;
+		size[bank] = gd->bd->bi_dram[bank].size;
+	}
+
+	ret = fdt_fixup_memory_banks(spl_image->fdt_addr, start, size,
+								 CONFIG_NR_DRAM_BANKS);
+
+	if (ret)
+		printf("Error fixing up memory node! %d\n", ret);
+}
+
+#endif
diff --git a/board/ti/common/k3-ddr-init.h b/board/ti/common/k3-ddr-init.h
new file mode 100644
index 000000000000..6be6cb1e5b1f
--- /dev/null
+++ b/board/ti/common/k3-ddr-init.h
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023, Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef __K3_DDR_INIT_H
+#define __K3_DDR_INIT_H
+
+int dram_init(void);
+int dram_init_banksize(void);
+
+void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image);
+void fixup_memory_node(struct spl_image_info *spl_image);
+
+#endif /* __K3_DDR_INIT_H */
-- 
2.34.1