1 files changed, 97 insertions, 0 deletions
diff --git a/board/phytec/phycore_am68x/phycore-am68x.c b/board/phytec/phycore_am68x/phycore-am68x.c
new file mode 100644
index 00000000000..312d7ece23e
--- /dev/null
+++ b/board/phytec/phycore_am68x/phycore-am68x.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/*
+ * Copyright (C) 2025 PHYTEC Messtechnik GmbH
+ * Author: Dominik Haller <d.haller@phytec.de>
+ *
+ * https://www.phytec.eu/en/produkte/system-on-modules/phycore-am68x-tda4x/
+ */
+
+#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/hardware.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <spl.h>
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/root.h>
+#include <asm/arch/k3-ddr.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+phys_addr_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(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_XPL_BUILD)
+void spl_perform_board_fixups(struct spl_image_info *spl_image)
+{
+	if (IS_ENABLED(CONFIG_K3_DDRSS)) {
+		if (IS_ENABLED(CONFIG_K3_INLINE_ECC))
+			fixup_ddr_driver_for_ecc(spl_image);
+	} else {
+		fixup_memory_node(spl_image);
+	}
+}
+#endif
+
+void spl_board_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	if (IS_ENABLED(CONFIG_ESM_K3)) {
+		const char * const esms[] = {"esm@700000", "esm@40800000", "esm@42080000"};
+
+		for (int i = 0; i < ARRAY_SIZE(esms); ++i) {
+			ret = uclass_get_device_by_name(UCLASS_MISC, esms[i],
+							&dev);
+			if (ret) {
+				printf("MISC init for %s failed: %d\n", esms[i], ret);
+				break;
+			}
+		}
+	}
+
+	if (IS_ENABLED(CONFIG_ESM_PMIC) && ret == 0) {
+		ret = uclass_get_device_by_driver(UCLASS_MISC,
+						  DM_DRIVER_GET(pmic_esm),
+						  &dev);
+		if (ret)
+			printf("ESM PMIC init failed: %d\n", ret);
+	}
+}