Merge branch '2023-07-21-assorted-TI-platform-updates'

- The first half of a number of TI platform bugfixes and improvements,
  primarily around K3 platforms and splash screen support.

18 files changed, 294 insertions, 115 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b13b26b861..b7780de776 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1306,7 +1306,7 @@ dtb-$(CONFIG_SOC_K3_AM642) += k3-am642-evm.dtb \
 dtb-$(CONFIG_SOC_K3_AM625) += k3-am625-sk.dtb \
 			      k3-am625-r5-sk.dtb
 
-dtb-$(CONFIG_SOC_K3_AM625) += k3-am62a7-sk.dtb \
+dtb-$(CONFIG_SOC_K3_AM62A7) += k3-am62a7-sk.dtb \
 			      k3-am62a7-r5-sk.dtb
 
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index b5bc236781..fd77b8bbba 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -10,6 +10,13 @@ obj-$(CONFIG_SOC_K3_AM62A7) += am62ax/
 obj-$(CONFIG_ARM64) += arm64-mmu.o
 obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
 obj-$(CONFIG_ARM64) += cache.o
+obj-$(CONFIG_OF_LIBFDT) += common_fdt.o
+ifeq ($(CONFIG_OF_LIBFDT)$(CONFIG_OF_SYSTEM_SETUP),yy)
+obj-$(CONFIG_SOC_K3_AM654) += am654_fdt.o
+obj-$(CONFIG_SOC_K3_J721E) += j721e_fdt.o
+obj-$(CONFIG_SOC_K3_J721S2) += j721s2_fdt.o
+obj-$(CONFIG_SOC_K3_AM625) += am625_fdt.o
+endif
 ifeq ($(CONFIG_SPL_BUILD),y)
 obj-$(CONFIG_SOC_K3_AM654) += am654_init.o
 obj-$(CONFIG_SOC_K3_J721E) += j721e_init.o
diff --git a/arch/arm/mach-k3/am625_fdt.c b/arch/arm/mach-k3/am625_fdt.c
new file mode 100644
index 0000000000..37806907af
--- /dev/null
+++ b/arch/arm/mach-k3/am625_fdt.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ */
+
+#include <asm/hardware.h>
+#include "common_fdt.h"
+#include <fdt_support.h>
+
+static void fdt_fixup_cores_nodes_am625(void *blob, int core_nr)
+{
+	char node_path[32];
+
+	if (core_nr < 1)
+		return;
+
+	for (; core_nr < 4; core_nr++) {
+		snprintf(node_path, sizeof(node_path), "/cpus/cpu@%d", core_nr);
+		fdt_del_node_path(blob, node_path);
+		snprintf(node_path, sizeof(node_path), "/cpus/cpu-map/cluster0/core%d", core_nr);
+		fdt_del_node_path(blob, node_path);
+		snprintf(node_path, sizeof(node_path), "/bus@f0000/watchdog@e0%d0000", core_nr);
+		fdt_del_node_path(blob, node_path);
+	}
+}
+
+static void fdt_fixup_gpu_nodes_am625(void *blob, int has_gpu)
+{
+	if (!has_gpu) {
+		fdt_del_node_path(blob, "/bus@f0000/gpu@fd00000");
+		fdt_del_node_path(blob, "/bus@f0000/watchdog@e0f0000");
+	}
+}
+
+static void fdt_fixup_pru_node_am625(void *blob, int has_pru)
+{
+	if (!has_pru)
+		fdt_del_node_path(blob, "/bus@f0000/pruss@30040000");
+}
+
+static int k3_get_core_nr(void)
+{
+	u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);
+
+	return (full_devid & JTAG_DEV_CORE_NR_MASK) >> JTAG_DEV_CORE_NR_SHIFT;
+}
+
+static int k3_has_pru(void)
+{
+	u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);
+	u32 feature_mask = (full_devid & JTAG_DEV_FEATURES_MASK) >>
+			   JTAG_DEV_FEATURES_SHIFT;
+
+	return !(feature_mask & JTAG_DEV_FEATURE_NO_PRU);
+}
+
+static int k3_has_gpu(void)
+{
+	u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);
+
+	return (full_devid & JTAG_DEV_GPU_MASK) >> JTAG_DEV_GPU_SHIFT;
+}
+
+int ft_system_setup(void *blob, struct bd_info *bd)
+{
+	fdt_fixup_cores_nodes_am625(blob, k3_get_core_nr());
+	fdt_fixup_gpu_nodes_am625(blob, k3_has_gpu());
+	fdt_fixup_pru_node_am625(blob, k3_has_pru());
+
+	return 0;
+}
diff --git a/arch/arm/mach-k3/am625_init.c b/arch/arm/mach-k3/am625_init.c
index 787fe92295..0e5d44269e 100644
--- a/arch/arm/mach-k3/am625_init.c
+++ b/arch/arm/mach-k3/am625_init.c
@@ -214,6 +214,7 @@ void board_init_f(ulong dummy)
 	if (ret)
 		panic("DRAM init failed: %d\n", ret);
 #endif
+	spl_enable_dcache();
 }
 
 u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
diff --git a/arch/arm/mach-k3/am62a7_init.c b/arch/arm/mach-k3/am62a7_init.c
index 1f51b04089..d72e19936b 100644
--- a/arch/arm/mach-k3/am62a7_init.c
+++ b/arch/arm/mach-k3/am62a7_init.c
@@ -14,6 +14,10 @@
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
 
+struct fwl_data cbass_main_fwls[] = {
+       { "FSS_DAT_REG3", 7, 8 },
+};
+
 /*
  * This uninitialized global variable would normal end up in the .bss section,
  * but the .bss is cleared between writing and reading this variable, so move
@@ -166,6 +170,9 @@ void board_init_f(ulong dummy)
 	/* Output System Firmware version info */
 	k3_sysfw_print_ver();
 
+       /* Disable ROM configured firewalls right after loading sysfw */
+       remove_fwl_configs(cbass_main_fwls, ARRAY_SIZE(cbass_main_fwls));
+
 #if defined(CONFIG_K3_AM62A_DDRSS)
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
 	if (ret)
@@ -174,7 +181,7 @@ void board_init_f(ulong dummy)
 
 	setup_qos();
 
-	printf("am62a_init: %s done\n", __func__);
+	debug("am62a_init: %s done\n", __func__);
 }
 
 static u32 __get_backup_bootmedia(u32 devstat)
@@ -272,7 +279,7 @@ u32 spl_boot_device(void)
 	else
 		bootmedia = __get_backup_bootmedia(devstat);
 
-	printf("am62a_init: %s: devstat = 0x%x bootmedia = 0x%x bootindex = %d\n",
+	debug("am62a_init: %s: devstat = 0x%x bootmedia = 0x%x bootindex = %d\n",
 	       __func__, devstat, bootmedia, bootindex);
 	return bootmedia;
 }
diff --git a/arch/arm/mach-k3/am62ax/dev-data.c b/arch/arm/mach-k3/am62ax/dev-data.c
index 74739c6385..abf5d8e91a 100644
--- a/arch/arm/mach-k3/am62ax/dev-data.c
+++ b/arch/arm/mach-k3/am62ax/dev-data.c
@@ -66,8 +66,8 @@ const struct ti_k3_pd_platdata am62ax_pd_platdata = {
 	.pd = soc_pd_list,
 	.lpsc = soc_lpsc_list,
 	.devs = soc_dev_list,
-	.num_psc = 2,
-	.num_pd = 4,
-	.num_lpsc = 14,
-	.num_devs = 19,
+	.num_psc = ARRAY_SIZE(soc_psc_list),
+	.num_pd = ARRAY_SIZE(soc_pd_list),
+	.num_lpsc = ARRAY_SIZE(soc_lpsc_list),
+	.num_devs = ARRAY_SIZE(soc_dev_list),
 };
diff --git a/arch/arm/mach-k3/am62x/dev-data.c b/arch/arm/mach-k3/am62x/dev-data.c
index 616d0650b9..1a6f9e2ca0 100644
--- a/arch/arm/mach-k3/am62x/dev-data.c
+++ b/arch/arm/mach-k3/am62x/dev-data.c
@@ -71,8 +71,8 @@ const struct ti_k3_pd_platdata am62x_pd_platdata = {
 	.pd = soc_pd_list,
 	.lpsc = soc_lpsc_list,
 	.devs = soc_dev_list,
-	.num_psc = 2,
-	.num_pd = 5,
-	.num_lpsc = 16,
-	.num_devs = 21,
+	.num_psc = ARRAY_SIZE(soc_psc_list),
+	.num_pd = ARRAY_SIZE(soc_pd_list),
+	.num_lpsc = ARRAY_SIZE(soc_lpsc_list),
+	.num_devs = ARRAY_SIZE(soc_dev_list),
 };
diff --git a/arch/arm/mach-k3/am654_fdt.c b/arch/arm/mach-k3/am654_fdt.c
new file mode 100644
index 0000000000..652fe8d32b
--- /dev/null
+++ b/arch/arm/mach-k3/am654_fdt.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ */
+
+#include "common_fdt.h"
+#include <fdt_support.h>
+
+int ft_system_setup(void *blob, struct bd_info *bd)
+{
+	return fdt_fixup_msmc_ram_k3(blob);
+}
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index bda01527d3..450c7b7e4c 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -357,97 +357,6 @@ void board_fit_image_post_process(const void *fit, int node, void **p_image,
 }
 #endif
 
-#if defined(CONFIG_OF_LIBFDT)
-int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name)
-{
-	u64 msmc_start = 0, msmc_end = 0, msmc_size, reg[2];
-	struct ti_sci_handle *ti_sci = get_ti_sci_handle();
-	int ret, node, subnode, len, prev_node;
-	u32 range[4], addr, size;
-	const fdt32_t *sub_reg;
-
-	ti_sci->ops.core_ops.query_msmc(ti_sci, &msmc_start, &msmc_end);
-	msmc_size = msmc_end - msmc_start + 1;
-	debug("%s: msmc_start = 0x%llx, msmc_size = 0x%llx\n", __func__,
-	      msmc_start, msmc_size);
-
-	/* find or create "msmc_sram node */
-	ret = fdt_path_offset(blob, parent_path);
-	if (ret < 0)
-		return ret;
-
-	node = fdt_find_or_add_subnode(blob, ret, node_name);
-	if (node < 0)
-		return node;
-
-	ret = fdt_setprop_string(blob, node, "compatible", "mmio-sram");
-	if (ret < 0)
-		return ret;
-
-	reg[0] = cpu_to_fdt64(msmc_start);
-	reg[1] = cpu_to_fdt64(msmc_size);
-	ret = fdt_setprop(blob, node, "reg", reg, sizeof(reg));
-	if (ret < 0)
-		return ret;
-
-	fdt_setprop_cell(blob, node, "#address-cells", 1);
-	fdt_setprop_cell(blob, node, "#size-cells", 1);
-
-	range[0] = 0;
-	range[1] = cpu_to_fdt32(msmc_start >> 32);
-	range[2] = cpu_to_fdt32(msmc_start & 0xffffffff);
-	range[3] = cpu_to_fdt32(msmc_size);
-	ret = fdt_setprop(blob, node, "ranges", range, sizeof(range));
-	if (ret < 0)
-		return ret;
-
-	subnode = fdt_first_subnode(blob, node);
-	prev_node = 0;
-
-	/* Look for invalid subnodes and delete them */
-	while (subnode >= 0) {
-		sub_reg = fdt_getprop(blob, subnode, "reg", &len);
-		addr = fdt_read_number(sub_reg, 1);
-		sub_reg++;
-		size = fdt_read_number(sub_reg, 1);
-		debug("%s: subnode = %d, addr = 0x%x. size = 0x%x\n", __func__,
-		      subnode, addr, size);
-		if (addr + size > msmc_size ||
-		    !strncmp(fdt_get_name(blob, subnode, &len), "sysfw", 5) ||
-		    !strncmp(fdt_get_name(blob, subnode, &len), "l3cache", 7)) {
-			fdt_del_node(blob, subnode);
-			debug("%s: deleting subnode %d\n", __func__, subnode);
-			if (!prev_node)
-				subnode = fdt_first_subnode(blob, node);
-			else
-				subnode = fdt_next_subnode(blob, prev_node);
-		} else {
-			prev_node = subnode;
-			subnode = fdt_next_subnode(blob, prev_node);
-		}
-	}
-
-	return 0;
-}
-
-#if defined(CONFIG_OF_SYSTEM_SETUP)
-int ft_system_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
-
-#endif
-
 #ifndef CONFIG_SYSRESET
 void reset_cpu(void)
 {
@@ -629,8 +538,10 @@ void spl_enable_dcache(void)
 		ram_top = (phys_addr_t) 0x100000000;
 
 	gd->arch.tlb_addr = ram_top - gd->arch.tlb_size;
+	gd->arch.tlb_addr &= ~(0x10000 - 1);
 	debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr,
 	      gd->arch.tlb_addr + gd->arch.tlb_size);
+	gd->relocaddr = gd->arch.tlb_addr;
 
 	dcache_enable();
 #endif
diff --git a/arch/arm/mach-k3/common_fdt.c b/arch/arm/mach-k3/common_fdt.c
new file mode 100644
index 0000000000..9478f60544
--- /dev/null
+++ b/arch/arm/mach-k3/common_fdt.c
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ */
+
+#include "common.h"
+#include <dm.h>
+#include <fdt_support.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
+
+static int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name)
+{
+	u64 msmc_start = 0, msmc_end = 0, msmc_size, reg[2];
+	struct ti_sci_handle *ti_sci = get_ti_sci_handle();
+	int ret, node, subnode, len, prev_node;
+	u32 range[4], addr, size;
+	const fdt32_t *sub_reg;
+
+	ti_sci->ops.core_ops.query_msmc(ti_sci, &msmc_start, &msmc_end);
+	msmc_size = msmc_end - msmc_start + 1;
+	debug("%s: msmc_start = 0x%llx, msmc_size = 0x%llx\n", __func__,
+	      msmc_start, msmc_size);
+
+	/* find or create "msmc_sram node */
+	ret = fdt_path_offset(blob, parent_path);
+	if (ret < 0)
+		return ret;
+
+	node = fdt_find_or_add_subnode(blob, ret, node_name);
+	if (node < 0)
+		return node;
+
+	ret = fdt_setprop_string(blob, node, "compatible", "mmio-sram");
+	if (ret < 0)
+		return ret;
+
+	reg[0] = cpu_to_fdt64(msmc_start);
+	reg[1] = cpu_to_fdt64(msmc_size);
+	ret = fdt_setprop(blob, node, "reg", reg, sizeof(reg));
+	if (ret < 0)
+		return ret;
+
+	fdt_setprop_cell(blob, node, "#address-cells", 1);
+	fdt_setprop_cell(blob, node, "#size-cells", 1);
+
+	range[0] = 0;
+	range[1] = cpu_to_fdt32(msmc_start >> 32);
+	range[2] = cpu_to_fdt32(msmc_start & 0xffffffff);
+	range[3] = cpu_to_fdt32(msmc_size);
+	ret = fdt_setprop(blob, node, "ranges", range, sizeof(range));
+	if (ret < 0)
+		return ret;
+
+	subnode = fdt_first_subnode(blob, node);
+	prev_node = 0;
+
+	/* Look for invalid subnodes and delete them */
+	while (subnode >= 0) {
+		sub_reg = fdt_getprop(blob, subnode, "reg", &len);
+		addr = fdt_read_number(sub_reg, 1);
+		sub_reg++;
+		size = fdt_read_number(sub_reg, 1);
+		debug("%s: subnode = %d, addr = 0x%x. size = 0x%x\n", __func__,
+		      subnode, addr, size);
+		if (addr + size > msmc_size ||
+		    !strncmp(fdt_get_name(blob, subnode, &len), "sysfw", 5) ||
+		    !strncmp(fdt_get_name(blob, subnode, &len), "l3cache", 7)) {
+			fdt_del_node(blob, subnode);
+			debug("%s: deleting subnode %d\n", __func__, subnode);
+			if (!prev_node)
+				subnode = fdt_first_subnode(blob, node);
+			else
+				subnode = fdt_next_subnode(blob, prev_node);
+		} else {
+			prev_node = subnode;
+			subnode = fdt_next_subnode(blob, prev_node);
+		}
+	}
+
+	return 0;
+}
+
+int fdt_fixup_msmc_ram_k3(void *blob)
+{
+	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;
+}
+
+int fdt_del_node_path(void *blob, const char *path)
+{
+	int ret;
+	int nodeoff;
+
+	nodeoff = fdt_path_offset(blob, path);
+	if (nodeoff < 0)
+		return 0; /* Not found, skip it */
+
+	ret = fdt_del_node(blob, nodeoff);
+	if (ret < 0)
+		printf("Unable to delete node %s, err=%s\n", path, fdt_strerror(ret));
+	else
+		debug("Deleted node %s\n", path);
+
+	return ret;
+}
diff --git a/arch/arm/mach-k3/common_fdt.h b/arch/arm/mach-k3/common_fdt.h
new file mode 100644
index 0000000000..46c3dc5e11
--- /dev/null
+++ b/arch/arm/mach-k3/common_fdt.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ */
+
+#ifndef _COMMON_FDT_H
+#define _COMMON_FDT_H
+
+int fdt_fixup_msmc_ram_k3(void *blob);
+
+#endif /* _COMMON_FDT_H */
diff --git a/arch/arm/mach-k3/include/mach/am62_hardware.h b/arch/arm/mach-k3/include/mach/am62_hardware.h
index 88d5894726..acd2d109c2 100644
--- a/arch/arm/mach-k3/include/mach/am62_hardware.h
+++ b/arch/arm/mach-k3/include/mach/am62_hardware.h
@@ -20,6 +20,28 @@
 #define MCU_CTRL_MMR0_BASE			0x04500000
 #define WKUP_CTRL_MMR0_BASE			0x43000000
 
+#define CTRLMMR_WKUP_JTAG_DEVICE_ID		(WKUP_CTRL_MMR0_BASE + 0x18)
+#define JTAG_DEV_ID_MASK			GENMASK(31, 18)
+#define JTAG_DEV_ID_SHIFT			18
+#define JTAG_DEV_CORE_NR_MASK			GENMASK(21, 19)
+#define JTAG_DEV_CORE_NR_SHIFT			19
+#define JTAG_DEV_GPU_MASK			BIT(18)
+#define JTAG_DEV_GPU_SHIFT			18
+#define JTAG_DEV_FEATURES_MASK			GENMASK(17, 13)
+#define JTAG_DEV_FEATURES_SHIFT			13
+#define JTAG_DEV_SECURITY_MASK			BIT(12)
+#define JTAG_DEV_SECURITY_SHIFT			12
+#define JTAG_DEV_SAFETY_MASK			BIT(11)
+#define JTAG_DEV_SAFETY_SHIFT			11
+#define JTAG_DEV_SPEED_MASK			GENMASK(10, 6)
+#define JTAG_DEV_SPEED_SHIFT			6
+#define JTAG_DEV_TEMP_MASK			GENMASK(5, 3)
+#define JTAG_DEV_TEMP_SHIFT			3
+#define JTAG_DEV_PKG_MASK			GENMASK(2, 0)
+#define JTAG_DEV_PKG_SHIFT			0
+
+#define JTAG_DEV_FEATURE_NO_PRU			0x4
+
 #define CTRLMMR_MAIN_DEVSTAT			(WKUP_CTRL_MMR0_BASE + 0x30)
 #define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK	GENMASK(6, 3)
 #define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT	3
diff --git a/arch/arm/mach-k3/j7200/dev-data.c b/arch/arm/mach-k3/j7200/dev-data.c
index c1a4dab694..4ddc34210e 100644
--- a/arch/arm/mach-k3/j7200/dev-data.c
+++ b/arch/arm/mach-k3/j7200/dev-data.c
@@ -75,8 +75,8 @@ const struct ti_k3_pd_platdata j7200_pd_platdata = {
 	.pd = soc_pd_list,
 	.lpsc = soc_lpsc_list,
 	.devs = soc_dev_list,
-	.num_psc = 2,
-	.num_pd = 6,
-	.num_lpsc = 17,
-	.num_devs = 23,
+	.num_psc = ARRAY_SIZE(soc_psc_list),
+	.num_pd = ARRAY_SIZE(soc_pd_list),
+	.num_lpsc = ARRAY_SIZE(soc_lpsc_list),
+	.num_devs = ARRAY_SIZE(soc_dev_list),
 };
diff --git a/arch/arm/mach-k3/j721e/dev-data.c b/arch/arm/mach-k3/j721e/dev-data.c
index f0afa3552b..97f017f8af 100644
--- a/arch/arm/mach-k3/j721e/dev-data.c
+++ b/arch/arm/mach-k3/j721e/dev-data.c
@@ -73,8 +73,8 @@ const struct ti_k3_pd_platdata j721e_pd_platdata = {
 	.pd = soc_pd_list,
 	.lpsc = soc_lpsc_list,
 	.devs = soc_dev_list,
-	.num_psc = 2,
-	.num_pd = 5,
-	.num_lpsc = 16,
-	.num_devs = 23,
+	.num_psc = ARRAY_SIZE(soc_psc_list),
+	.num_pd = ARRAY_SIZE(soc_pd_list),
+	.num_lpsc = ARRAY_SIZE(soc_lpsc_list),
+	.num_devs = ARRAY_SIZE(soc_dev_list),
 };
diff --git a/arch/arm/mach-k3/j721e_fdt.c b/arch/arm/mach-k3/j721e_fdt.c
new file mode 100644
index 0000000000..652fe8d32b
--- /dev/null
+++ b/arch/arm/mach-k3/j721e_fdt.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ */
+
+#include "common_fdt.h"
+#include <fdt_support.h>
+
+int ft_system_setup(void *blob, struct bd_info *bd)
+{
+	return fdt_fixup_msmc_ram_k3(blob);
+}
diff --git a/arch/arm/mach-k3/j721s2/dev-data.c b/arch/arm/mach-k3/j721s2/dev-data.c
index 35e8b17eb1..8c999a3c5a 100644
--- a/arch/arm/mach-k3/j721s2/dev-data.c
+++ b/arch/arm/mach-k3/j721s2/dev-data.c
@@ -79,8 +79,8 @@ const struct ti_k3_pd_platdata j721s2_pd_platdata = {
 	.pd = soc_pd_list,
 	.lpsc = soc_lpsc_list,
 	.devs = soc_dev_list,
-	.num_psc = 2,
-	.num_pd = 6,
-	.num_lpsc = 19,
-	.num_devs = 25,
+	.num_psc = ARRAY_SIZE(soc_psc_list),
+	.num_pd = ARRAY_SIZE(soc_pd_list),
+	.num_lpsc = ARRAY_SIZE(soc_lpsc_list),
+	.num_devs = ARRAY_SIZE(soc_dev_list),
 };
diff --git a/arch/arm/mach-k3/j721s2_fdt.c b/arch/arm/mach-k3/j721s2_fdt.c
new file mode 100644
index 0000000000..652fe8d32b
--- /dev/null
+++ b/arch/arm/mach-k3/j721s2_fdt.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ */
+
+#include "common_fdt.h"
+#include <fdt_support.h>
+
+int ft_system_setup(void *blob, struct bd_info *bd)
+{
+	return fdt_fixup_msmc_ram_k3(blob);
+}
diff --git a/arch/arm/mach-omap2/emif-common.c b/arch/arm/mach-omap2/emif-common.c
index a6a97af37d..9daaeef731 100644
--- a/arch/arm/mach-omap2/emif-common.c
+++ b/arch/arm/mach-omap2/emif-common.c
@@ -40,7 +40,7 @@ void set_lpmode_selfrefresh(u32 base)
 	readl(&emif->emif_pwr_mgmt_ctrl);
 }
 
-void force_emif_self_refresh()
+void force_emif_self_refresh(void)
 {
 	set_lpmode_selfrefresh(EMIF1_BASE);
 	if (!is_dra72x())