diff --git a/arch/arm/mach-stm32mp/stm32mp1/spl.c b/arch/arm/mach-stm32mp/stm32mp1/spl.c
index 6c79259..beda69f 100644
--- a/arch/arm/mach-stm32mp/stm32mp1/spl.c
+++ b/arch/arm/mach-stm32mp/stm32mp1/spl.c
@@ -118,7 +118,7 @@
 
 	node = ofnode_path("/reserved-memory/optee");
 	if (!ofnode_valid(node))
-		return 0;
+		return -ENOENT;
 
 	fdt_start = ofnode_get_addr_size(node, "reg", &fdt_mem_size);
 	*start = fdt_start;
@@ -134,7 +134,7 @@
 {
 	const uint32_t dram_size = stm32mp_get_dram_size();
 	const uintptr_t dram_top = STM32_DDR_BASE + (dram_size - 1);
-	uint32_t optee_base, optee_size, tee_shmem_base;
+	u32 optee_base = 0, optee_size = 0, tee_shmem_base;
 	const uintptr_t tzc = STM32_TZC_BASE;
 	int ret;
 
diff --git a/board/bsh/imx8mn_smm_s2/ddr3l_timing_256m.c b/board/bsh/imx8mn_smm_s2/ddr3l_timing_256m.c
index 0da6418..33452d2 100644
--- a/board/bsh/imx8mn_smm_s2/ddr3l_timing_256m.c
+++ b/board/bsh/imx8mn_smm_s2/ddr3l_timing_256m.c
@@ -18,15 +18,15 @@
 	{ 0x3d400304, 0x1 },
 	{ 0x3d400030, 0x20 },
 	{ 0x3d400000, 0xa1040001 },
-	{ 0x3d400064, 0x610040 },
+	{ 0x3d400064, 0x300040 },
 	{ 0x3d4000d0, 0xc00200c5 },
 	{ 0x3d4000d4, 0x1000b },
 	{ 0x3d4000dc, 0x1d700004 },
-	{ 0x3d4000e0, 0x180000 },
+	{ 0x3d4000e0, 0x580000 },
 	{ 0x3d4000e4, 0x90000 },
-	{ 0x3d4000f0, 0x0 },
+	{ 0x3d4000f0, 0x2 },
 	{ 0x3d4000f4, 0xee5 },
-	{ 0x3d400100, 0xc101b0e },
+	{ 0x3d400100, 0xc100d0e },
 	{ 0x3d400104, 0x30314 },
 	{ 0x3d400108, 0x4060509 },
 	{ 0x3d40010c, 0x2006 },
@@ -67,10 +67,10 @@
 	{ 0x3d400498, 0x7ff },
 	{ 0x3d40049c, 0xe00 },
 	{ 0x3d4004a0, 0x7ff },
-	{ 0x3d402064, 0x28001b },
+	{ 0x3d402064, 0x14001b },
 	{ 0x3d4020dc, 0x12200004 },
-	{ 0x3d4020e0, 0x0 },
-	{ 0x3d402100, 0x7090b07 },
+	{ 0x3d4020e0, 0x400000 },
+	{ 0x3d402100, 0x7090507 },
 	{ 0x3d402104, 0x20209 },
 	{ 0x3d402108, 0x3030407 },
 	{ 0x3d40210c, 0x2006 },
@@ -680,12 +680,13 @@
 	{ 0x54006, 0x140 },
 	{ 0x54007, 0x1000 },
 	{ 0x54008, 0x101 },
+	{ 0x54009, 0x200 },
 	{ 0x5400b, 0x31f },
 	{ 0x5400c, 0xc8 },
 	{ 0x54012, 0x1 },
 	{ 0x5402f, 0x1d70 },
 	{ 0x54030, 0x4 },
-	{ 0x54031, 0x18 },
+	{ 0x54031, 0x58 },
 	{ 0x5403a, 0x1323 },
 	{ 0xd0000, 0x1 },
 };
@@ -700,11 +701,13 @@
 	{ 0x54006, 0x140 },
 	{ 0x54007, 0x1000 },
 	{ 0x54008, 0x101 },
+	{ 0x54009, 0x200 },
 	{ 0x5400b, 0x21f },
 	{ 0x5400c, 0xc8 },
 	{ 0x54012, 0x1 },
 	{ 0x5402f, 0x1220 },
 	{ 0x54030, 0x4 },
+	{ 0x54031, 0x40 },
 	{ 0x5403a, 0x1323 },
 	{ 0xd0000, 0x1 },
 };
@@ -886,11 +889,11 @@
 	{ 0xd00e7, 0x400 },
 	{ 0x90017, 0x0 },
 	{ 0x90026, 0x2b },
-	{ 0x2000b, 0x32 },
+	{ 0x2000b, 0x1c2 },
 	{ 0x2000c, 0x64 },
 	{ 0x2000d, 0x3e8 },
 	{ 0x2000e, 0x2c },
-	{ 0x12000b, 0x14 },
+	{ 0x12000b, 0xbb },
 	{ 0x12000c, 0x26 },
 	{ 0x12000d, 0x1a1 },
 	{ 0x12000e, 0x10 },
diff --git a/board/bsh/imx8mn_smm_s2/ddr3l_timing_512m.c b/board/bsh/imx8mn_smm_s2/ddr3l_timing_512m.c
index f845395..ca14a47 100644
--- a/board/bsh/imx8mn_smm_s2/ddr3l_timing_512m.c
+++ b/board/bsh/imx8mn_smm_s2/ddr3l_timing_512m.c
@@ -18,15 +18,15 @@
 	{ 0x3d400304, 0x1 },
 	{ 0x3d400030, 0x20 },
 	{ 0x3d400000, 0xa1040001 },
-	{ 0x3d400064, 0x610068 },
+	{ 0x3d400064, 0x300068 },
 	{ 0x3d4000d0, 0xc00200c5 },
 	{ 0x3d4000d4, 0x1000b },
 	{ 0x3d4000dc, 0x1d700004 },
-	{ 0x3d4000e0, 0x180000 },
+	{ 0x3d4000e0, 0x580000 },
 	{ 0x3d4000e4, 0x90000 },
-	{ 0x3d4000f0, 0x0 },
+	{ 0x3d4000f0, 0x2 },
 	{ 0x3d4000f4, 0xee5 },
-	{ 0x3d400100, 0xc101b0e },
+	{ 0x3d400100, 0xc100d0e },
 	{ 0x3d400104, 0x30314 },
 	{ 0x3d400108, 0x4060509 },
 	{ 0x3d40010c, 0x2006 },
@@ -700,11 +700,13 @@
 	{ 0x54006, 0x140 },
 	{ 0x54007, 0x1000 },
 	{ 0x54008, 0x101 },
+	{ 0x54009, 0x200 },
 	{ 0x5400b, 0x21f },
 	{ 0x5400c, 0xc8 },
 	{ 0x54012, 0x1 },
 	{ 0x5402f, 0x1220 },
 	{ 0x54030, 0x4 },
+	{ 0x54031, 0x40 },
 	{ 0x5403a, 0x1323 },
 	{ 0xd0000, 0x1 },
 };
@@ -886,11 +888,11 @@
 	{ 0xd00e7, 0x400 },
 	{ 0x90017, 0x0 },
 	{ 0x90026, 0x2b },
-	{ 0x2000b, 0x32 },
+	{ 0x2000b, 0x1c2 },
 	{ 0x2000c, 0x64 },
 	{ 0x2000d, 0x3e8 },
 	{ 0x2000e, 0x2c },
-	{ 0x12000b, 0x14 },
+	{ 0x12000b, 0xbb },
 	{ 0x12000c, 0x26 },
 	{ 0x12000d, 0x1a1 },
 	{ 0x12000e, 0x10 },
diff --git a/board/dhelectronics/dh_stm32mp1/board.c b/board/dhelectronics/dh_stm32mp1/board.c
index 22af423..acfdf2e 100644
--- a/board/dhelectronics/dh_stm32mp1/board.c
+++ b/board/dhelectronics/dh_stm32mp1/board.c
@@ -76,14 +76,25 @@
 
 static bool dh_stm32_mac_is_in_ks8851(void)
 {
-	ofnode node;
+	struct udevice *udev;
 	u32 reg, cider, ccr;
+	char path[256];
+	ofnode node;
+	int ret;
 
 	node = ofnode_path("ethernet1");
 	if (!ofnode_valid(node))
 		return false;
 
-	if (ofnode_device_is_compatible(node, "micrel,ks8851-mll"))
+	ret = ofnode_get_path(node, path, sizeof(path));
+	if (ret)
+		return false;
+
+	ret = uclass_get_device_by_of_path(UCLASS_ETH, path, &udev);
+	if (ret)
+		return false;
+
+	if (!ofnode_device_is_compatible(node, "micrel,ks8851-mll"))
 		return false;
 
 	/*