diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S
index 1d83966..92608f3 100644
--- a/arch/powerpc/boot/crt0.S
+++ b/arch/powerpc/boot/crt0.S
@@ -44,6 +44,9 @@
 p_pstack:	.long	_platform_stack_top
 #endif
 
+	.globl	_zimage_start
+	/* Clang appears to require the .weak directive to be after the symbol
+	 * is defined. See https://bugs.llvm.org/show_bug.cgi?id=38921  */
 	.weak	_zimage_start
 _zimage_start:
 	.globl	_zimage_start_lib
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
index 58fbcfc..5d91036 100644
--- a/arch/powerpc/boot/devtree.c
+++ b/arch/powerpc/boot/devtree.c
@@ -13,7 +13,6 @@
 #include "string.h"
 #include "stdio.h"
 #include "ops.h"
-#include "of.h"
 
 void dt_fixup_memory(u64 start, u64 size)
 {
@@ -24,25 +23,21 @@ void dt_fixup_memory(u64 start, u64 size)
 	root = finddevice("/");
 	if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0)
 		naddr = 2;
-	else
-		naddr = be32_to_cpu(naddr);
 	if (naddr < 1 || naddr > 2)
 		fatal("Can't cope with #address-cells == %d in /\n\r", naddr);
 
 	if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0)
 		nsize = 1;
-	else
-		nsize = be32_to_cpu(nsize);
 	if (nsize < 1 || nsize > 2)
 		fatal("Can't cope with #size-cells == %d in /\n\r", nsize);
 
 	i = 0;
 	if (naddr == 2)
-		memreg[i++] = cpu_to_be32(start >> 32);
-	memreg[i++] = cpu_to_be32(start & 0xffffffff);
+		memreg[i++] = start >> 32;
+	memreg[i++] = start & 0xffffffff;
 	if (nsize == 2)
-		memreg[i++] = cpu_to_be32(size >> 32);
-	memreg[i++] = cpu_to_be32(size & 0xffffffff);
+		memreg[i++] = size >> 32;
+	memreg[i++] = size & 0xffffffff;
 
 	memory = finddevice("/memory");
 	if (! memory) {
@@ -50,9 +45,9 @@ void dt_fixup_memory(u64 start, u64 size)
 		setprop_str(memory, "device_type", "memory");
 	}
 
-	printf("Memory <- <0x%x", be32_to_cpu(memreg[0]));
+	printf("Memory <- <0x%x", memreg[0]);
 	for (i = 1; i < (naddr + nsize); i++)
-		printf(" 0x%x", be32_to_cpu(memreg[i]));
+		printf(" 0x%x", memreg[i]);
 	printf("> (%ldMB)\n\r", (unsigned long)(size >> 20));
 
 	setprop(memory, "reg", memreg, (naddr + nsize)*sizeof(u32));
@@ -70,10 +65,10 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus)
 		printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));
 
 	while ((devp = find_node_by_devtype(devp, "cpu"))) {
-		setprop_val(devp, "clock-frequency", cpu_to_be32(cpu));
-		setprop_val(devp, "timebase-frequency", cpu_to_be32(tb));
+		setprop_val(devp, "clock-frequency", cpu);
+		setprop_val(devp, "timebase-frequency", tb);
 		if (bus > 0)
-			setprop_val(devp, "bus-frequency", cpu_to_be32(bus));
+			setprop_val(devp, "bus-frequency", bus);
 	}
 
 	timebase_period_ns = 1000000000 / tb;
@@ -85,7 +80,7 @@ void dt_fixup_clock(const char *path, u32 freq)
 
 	if (devp) {
 		printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq));
-		setprop_val(devp, "clock-frequency", cpu_to_be32(freq));
+		setprop_val(devp, "clock-frequency", freq);
 	}
 }
 
@@ -138,12 +133,8 @@ void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize)
 {
 	if (getprop(node, "#address-cells", naddr, 4) != 4)
 		*naddr = 2;
-	else
-		*naddr = be32_to_cpu(*naddr);
 	if (getprop(node, "#size-cells", nsize, 4) != 4)
 		*nsize = 1;
-	else
-		*nsize = be32_to_cpu(*nsize);
 }
 
 static void copy_val(u32 *dest, u32 *src, int naddr)
@@ -172,9 +163,9 @@ static int add_reg(u32 *reg, u32 *add, int naddr)
 	int i, carry = 0;
 
 	for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) {
-		u64 tmp = (u64)be32_to_cpu(reg[i]) + be32_to_cpu(add[i]) + carry;
+		u64 tmp = (u64)reg[i] + add[i] + carry;
 		carry = tmp >> 32;
-		reg[i] = cpu_to_be32((u32)tmp);
+		reg[i] = (u32)tmp;
 	}
 
 	return !carry;
@@ -189,18 +180,18 @@ static int compare_reg(u32 *reg, u32 *range, u32 *rangesize)
 	u32 end;
 
 	for (i = 0; i < MAX_ADDR_CELLS; i++) {
-		if (be32_to_cpu(reg[i]) < be32_to_cpu(range[i]))
+		if (reg[i] < range[i])
 			return 0;
-		if (be32_to_cpu(reg[i]) > be32_to_cpu(range[i]))
+		if (reg[i] > range[i])
 			break;
 	}
 
 	for (i = 0; i < MAX_ADDR_CELLS; i++) {
-		end = be32_to_cpu(range[i]) + be32_to_cpu(rangesize[i]);
+		end = range[i] + rangesize[i];
 
-		if (be32_to_cpu(reg[i]) < end)
+		if (reg[i] < end)
 			break;
-		if (be32_to_cpu(reg[i]) > end)
+		if (reg[i] > end)
 			return 0;
 	}
 
@@ -249,6 +240,7 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 		return 0;
 
 	dt_get_reg_format(parent, &naddr, &nsize);
+
 	if (nsize > 2)
 		return 0;
 
@@ -260,10 +252,10 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 
 	copy_val(last_addr, prop_buf + offset, naddr);
 
-	ret_size = be32_to_cpu(prop_buf[offset + naddr]);
+	ret_size = prop_buf[offset + naddr];
 	if (nsize == 2) {
 		ret_size <<= 32;
-		ret_size |= be32_to_cpu(prop_buf[offset + naddr + 1]);
+		ret_size |= prop_buf[offset + naddr + 1];
 	}
 
 	for (;;) {
@@ -286,6 +278,7 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 
 		offset = find_range(last_addr, prop_buf, prev_naddr,
 		                    naddr, prev_nsize, buflen / 4);
+
 		if (offset < 0)
 			return 0;
 
@@ -303,7 +296,8 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 	if (naddr > 2)
 		return 0;
 
-	ret_addr = ((u64)be32_to_cpu(last_addr[2]) << 32) | be32_to_cpu(last_addr[3]);
+	ret_addr = ((u64)last_addr[2] << 32) | last_addr[3];
+
 	if (sizeof(void *) == 4 &&
 	    (ret_addr >= 0x100000000ULL || ret_size > 0x100000000ULL ||
 	     ret_addr + ret_size > 0x100000000ULL))
@@ -356,14 +350,11 @@ int dt_is_compatible(void *node, const char *compat)
 int dt_get_virtual_reg(void *node, void **addr, int nres)
 {
 	unsigned long xaddr;
-	int n, i;
+	int n;
 
 	n = getprop(node, "virtual-reg", addr, nres * 4);
-	if (n > 0) {
-		for (i = 0; i < n/4; i ++)
-			((u32 *)addr)[i] = be32_to_cpu(((u32 *)addr)[i]);
+	if (n > 0)
 		return n / 4;
-	}
 
 	for (n = 0; n < nres; n++) {
 		if (!dt_xlate_reg(node, n, &xaddr, NULL))
diff --git a/arch/powerpc/boot/dts/charon.dts b/arch/powerpc/boot/dts/charon.dts
index cd58953..408b486 100644
--- a/arch/powerpc/boot/dts/charon.dts
+++ b/arch/powerpc/boot/dts/charon.dts
@@ -35,7 +35,7 @@
 		};
 	};
 
-	memory@0 {
+	memory {
 		device_type = "memory";
 		reg = <0x00000000 0x08000000>;	// 128MB
 	};
diff --git a/arch/powerpc/boot/dts/digsy_mtc.dts b/arch/powerpc/boot/dts/digsy_mtc.dts
index 19a14e6..0e5e9d3 100644
--- a/arch/powerpc/boot/dts/digsy_mtc.dts
+++ b/arch/powerpc/boot/dts/digsy_mtc.dts
@@ -16,7 +16,7 @@
 	model = "intercontrol,digsy-mtc";
 	compatible = "intercontrol,digsy-mtc";
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x02000000>;	// 32MB
 	};
 
diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
index 9716a04..1b4aafc 100644
--- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
@@ -122,15 +122,7 @@
 	};
 
 /include/ "pq3-i2c-0.dtsi"
-	i2c@3000 {
-		fsl,i2c-erratum-a004447;
-	};
-
 /include/ "pq3-i2c-1.dtsi"
-	i2c@3100 {
-		fsl,i2c-erratum-a004447;
-	};
-
 /include/ "pq3-duart-0.dtsi"
 /include/ "pq3-espi-0.dtsi"
 	spi0: spi@7000 {
diff --git a/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi b/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
index ddc018d..872e448 100644
--- a/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
@@ -371,23 +371,7 @@
 	};
 
 /include/ "qoriq-i2c-0.dtsi"
-	i2c@118000 {
-		fsl,i2c-erratum-a004447;
-	};
-
-	i2c@118100 {
-		fsl,i2c-erratum-a004447;
-	};
-
 /include/ "qoriq-i2c-1.dtsi"
-	i2c@119000 {
-		fsl,i2c-erratum-a004447;
-	};
-
-	i2c@119100 {
-		fsl,i2c-erratum-a004447;
-	};
-
 /include/ "qoriq-duart-0.dtsi"
 /include/ "qoriq-duart-1.dtsi"
 /include/ "qoriq-gpio-0.dtsi"
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
index 48e5cd6..c90702b 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
@@ -79,7 +79,6 @@
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xfc000 0x1000>;
-		fsl,erratum-a009885;
 	};
 
 	xmdio0: mdio@fd000 {
@@ -87,7 +86,6 @@
 		#size-cells = <0>;
 		compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
 		reg = <0xfd000 0x1000>;
-		fsl,erratum-a009885;
 	};
 };
 
diff --git a/arch/powerpc/boot/dts/fsl/t1023rdb.dts b/arch/powerpc/boot/dts/fsl/t1023rdb.dts
index f82f85c..5ba6fbf 100644
--- a/arch/powerpc/boot/dts/fsl/t1023rdb.dts
+++ b/arch/powerpc/boot/dts/fsl/t1023rdb.dts
@@ -154,7 +154,7 @@
 
 			fm1mac3: ethernet@e4000 {
 				phy-handle = <&sgmii_aqr_phy3>;
-				phy-connection-type = "2500base-x";
+				phy-connection-type = "sgmii-2500";
 				sleep = <&rcpm 0x20000000>;
 			};
 
diff --git a/arch/powerpc/boot/dts/fsl/t104xrdb.dtsi b/arch/powerpc/boot/dts/fsl/t104xrdb.dtsi
index bfe1ed5..099a598 100644
--- a/arch/powerpc/boot/dts/fsl/t104xrdb.dtsi
+++ b/arch/powerpc/boot/dts/fsl/t104xrdb.dtsi
@@ -139,12 +139,12 @@
 		fman@400000 {
 			ethernet@e6000 {
 				phy-handle = <&phy_rgmii_0>;
-				phy-connection-type = "rgmii-id";
+				phy-connection-type = "rgmii";
 			};
 
 			ethernet@e8000 {
 				phy-handle = <&phy_rgmii_1>;
-				phy-connection-type = "rgmii-id";
+				phy-connection-type = "rgmii";
 			};
 
 			mdio0: mdio@fc000 {
diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts
index e7b1947..cb2782d 100644
--- a/arch/powerpc/boot/dts/lite5200.dts
+++ b/arch/powerpc/boot/dts/lite5200.dts
@@ -32,7 +32,7 @@
 		};
 	};
 
-	memory@0 {
+	memory {
 		device_type = "memory";
 		reg = <0x00000000 0x04000000>;	// 64MB
 	};
diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts
index 547cbe7..2b86c81 100644
--- a/arch/powerpc/boot/dts/lite5200b.dts
+++ b/arch/powerpc/boot/dts/lite5200b.dts
@@ -31,7 +31,7 @@
 		led4 { gpios = <&gpio_simple 2 1>; };
 	};
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x10000000>;	// 256MB
 	};
 
diff --git a/arch/powerpc/boot/dts/media5200.dts b/arch/powerpc/boot/dts/media5200.dts
index f318801..61cae9d 100644
--- a/arch/powerpc/boot/dts/media5200.dts
+++ b/arch/powerpc/boot/dts/media5200.dts
@@ -32,7 +32,7 @@
 		};
 	};
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x08000000>;	// 128MB RAM
 	};
 
diff --git a/arch/powerpc/boot/dts/mpc5200b.dtsi b/arch/powerpc/boot/dts/mpc5200b.dtsi
index 8b796f3..648fe31 100644
--- a/arch/powerpc/boot/dts/mpc5200b.dtsi
+++ b/arch/powerpc/boot/dts/mpc5200b.dtsi
@@ -33,7 +33,7 @@
 		};
 	};
 
-	memory: memory@0 {
+	memory: memory {
 		device_type = "memory";
 		reg = <0x00000000 0x04000000>;	// 64MB
 	};
diff --git a/arch/powerpc/boot/dts/o2d.dts b/arch/powerpc/boot/dts/o2d.dts
index e0a8d30..24a46f6 100644
--- a/arch/powerpc/boot/dts/o2d.dts
+++ b/arch/powerpc/boot/dts/o2d.dts
@@ -12,7 +12,7 @@
 	model = "ifm,o2d";
 	compatible = "ifm,o2d";
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x08000000>;  // 128MB
 	};
 
diff --git a/arch/powerpc/boot/dts/o2d.dtsi b/arch/powerpc/boot/dts/o2d.dtsi
index b55a9e5..6661955 100644
--- a/arch/powerpc/boot/dts/o2d.dtsi
+++ b/arch/powerpc/boot/dts/o2d.dtsi
@@ -19,7 +19,7 @@
 	model = "ifm,o2d";
 	compatible = "ifm,o2d";
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x04000000>;	// 64MB
 	};
 
diff --git a/arch/powerpc/boot/dts/o2dnt2.dts b/arch/powerpc/boot/dts/o2dnt2.dts
index c2eedbd..eeba7f5 100644
--- a/arch/powerpc/boot/dts/o2dnt2.dts
+++ b/arch/powerpc/boot/dts/o2dnt2.dts
@@ -12,7 +12,7 @@
 	model = "ifm,o2dnt2";
 	compatible = "ifm,o2d";
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x08000000>;  // 128MB
 	};
 
diff --git a/arch/powerpc/boot/dts/o3dnt.dts b/arch/powerpc/boot/dts/o3dnt.dts
index e4c1bdd..fd00396 100644
--- a/arch/powerpc/boot/dts/o3dnt.dts
+++ b/arch/powerpc/boot/dts/o3dnt.dts
@@ -12,7 +12,7 @@
 	model = "ifm,o3dnt";
 	compatible = "ifm,o2d";
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x04000000>;  // 64MB
 	};
 
diff --git a/arch/powerpc/boot/dts/pcm032.dts b/arch/powerpc/boot/dts/pcm032.dts
index 5674f97..c259c6b 100644
--- a/arch/powerpc/boot/dts/pcm032.dts
+++ b/arch/powerpc/boot/dts/pcm032.dts
@@ -22,7 +22,7 @@
 	model = "phytec,pcm032";
 	compatible = "phytec,pcm032";
 
-	memory@0 {
+	memory {
 		reg = <0x00000000 0x08000000>;	// 128MB
 	};
 
diff --git a/arch/powerpc/boot/dts/tqm5200.dts b/arch/powerpc/boot/dts/tqm5200.dts
index 5bb25a9..9ed0bc7 100644
--- a/arch/powerpc/boot/dts/tqm5200.dts
+++ b/arch/powerpc/boot/dts/tqm5200.dts
@@ -32,7 +32,7 @@
 		};
 	};
 
-	memory@0 {
+	memory {
 		device_type = "memory";
 		reg = <0x00000000 0x04000000>;	// 64MB
 	};
diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c
index f16d2be..b0da446 100644
--- a/arch/powerpc/boot/ns16550.c
+++ b/arch/powerpc/boot/ns16550.c
@@ -15,7 +15,6 @@
 #include "stdio.h"
 #include "io.h"
 #include "ops.h"
-#include "of.h"
 
 #define UART_DLL	0	/* Out: Divisor Latch Low */
 #define UART_DLM	1	/* Out: Divisor Latch High */
@@ -59,20 +58,16 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp)
 	int n;
 	u32 reg_offset;
 
-	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1) {
-		printf("virt reg parse fail...\r\n");
+	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1)
 		return -1;
-	}
 
 	n = getprop(devp, "reg-offset", &reg_offset, sizeof(reg_offset));
 	if (n == sizeof(reg_offset))
-		reg_base += be32_to_cpu(reg_offset);
+		reg_base += reg_offset;
 
 	n = getprop(devp, "reg-shift", &reg_shift, sizeof(reg_shift));
 	if (n != sizeof(reg_shift))
 		reg_shift = 0;
-	else
-		reg_shift = be32_to_cpu(reg_shift);
 
 	scdp->open = ns16550_open;
 	scdp->putc = ns16550_putc;