Merge remote-tracking branch 'u-boot/master' into 'u-boot-arm/master'

14 files changed, 1575 insertions, 7 deletions

diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
index 71bb9d7..7202c3f 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
@@ -424,6 +424,14 @@ phys_size_t initdram(int board_type)
 	int write_recovery;
 	phys_size_t dram_size = 0;
 
+	if (IS_ENABLED(CONFIG_SYS_RAMBOOT)) {
+		/*
+		 * Reduce RAM size to avoid overwriting memory used by
+		 * current stack? Not sure what is happening.
+		 */
+		return sdram_memsize() / 2;
+	}
+
 	num_dimm_banks = sizeof(iic0_dimm_addr);
 
 	/*------------------------------------------------------------------
diff --git a/arch/powerpc/cpu/ppc4xx/config.mk b/arch/powerpc/cpu/ppc4xx/config.mk
index f87c9dc..9cb41bb 100644
--- a/arch/powerpc/cpu/ppc4xx/config.mk
+++ b/arch/powerpc/cpu/ppc4xx/config.mk
@@ -7,10 +7,7 @@
 
 PLATFORM_CPPFLAGS += -mstring -msoft-float
 
-cfg=$(srctree)/include/configs/$(CONFIG_SYS_CONFIG_NAME:"%"=%).h
-is440:=$(shell grep CONFIG_440 $(cfg))
-
-ifneq (,$(findstring CONFIG_440,$(is440)))
+ifneq (,$(CONFIG_440))
 PLATFORM_CPPFLAGS += -Wa,-m440 -mcpu=440
 else
 PLATFORM_CPPFLAGS += -Wa,-m405 -mcpu=405
diff --git a/arch/powerpc/cpu/ppc4xx/cpu_init.c b/arch/powerpc/cpu/ppc4xx/cpu_init.c
index e5a0e21..5f5c720 100644
--- a/arch/powerpc/cpu/ppc4xx/cpu_init.c
+++ b/arch/powerpc/cpu/ppc4xx/cpu_init.c
@@ -450,10 +450,12 @@ cpu_init_f (void)
 	      PLB4Ax_ACR_RDP_4DEEP);
 #endif /* CONFIG_440SP/SPE || CONFIG_460EX/GT || CONFIG_405EX */
 
+#ifndef CONFIG_SYS_GENERIC_BOARD
 	gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
 
 	/* Clear initial global data */
 	memset((void *)gd, 0, sizeof(gd_t));
+#endif
 }
 
 /*
diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S
index 09a02d7..7a0f0d2 100644
--- a/arch/powerpc/cpu/ppc4xx/start.S
+++ b/arch/powerpc/cpu/ppc4xx/start.S
@@ -760,6 +760,15 @@ _start:
 #endif
 
 	bl	cpu_init_f	/* run low-level CPU init code	   (from Flash) */
+#ifdef CONFIG_SYS_GENERIC_BOARD
+	mr	r3, r1
+	bl	board_init_f_mem
+	mr	r1, r3
+	li	r0,0
+	stwu	r0, -4(r1)
+	stwu	r0, -4(r1)
+#endif
+	li	r3, 0
 	bl	board_init_f
 	/* NOTREACHED - board_init_f() does not return */
 
@@ -1027,7 +1036,14 @@ _start:
 	GET_GOT			/* initialize GOT access			*/
 
 	bl	cpu_init_f	/* run low-level CPU init code	   (from Flash) */
-
+#ifdef CONFIG_SYS_GENERIC_BOARD
+	mr	r3, r1
+	bl	board_init_f_mem
+	mr	r1, r3
+	stwu	r0, -4(r1)
+	stwu	r0, -4(r1)
+#endif
+	li	r3, 0
 	bl	board_init_f	/* run first part of init code (from Flash)	*/
 	/* NOTREACHED - board_init_f() does not return */
 
diff --git a/arch/powerpc/cpu/ppc4xx/u-boot.lds b/arch/powerpc/cpu/ppc4xx/u-boot.lds
index 8773178..1980508 100644
--- a/arch/powerpc/cpu/ppc4xx/u-boot.lds
+++ b/arch/powerpc/cpu/ppc4xx/u-boot.lds
@@ -76,9 +76,13 @@ SECTIONS
   . = ALIGN(256);
   __init_begin = .;
   .text.init : { *(.text.init) }
-  .data.init : { *(.data.init) }
-  . = ALIGN(256);
+  .data.init : {
+	*(.data.init)
+	. = ALIGN(256);
+	LONG(0) LONG(0)		/* Extend u-boot.bin to here */
+  }
   __init_end = .;
+  _end = .;
 
 #ifndef CONFIG_SPL
 #ifdef CONFIG_440
diff --git a/arch/powerpc/dts/Makefile b/arch/powerpc/dts/Makefile
new file mode 100644
index 0000000..ad104b9
--- /dev/null
+++ b/arch/powerpc/dts/Makefile
@@ -0,0 +1,11 @@
+dtb-$(CONFIG_TARGET_CANYONLANDS) += arches.dtb canyonlands.dtb glacier.dtb
+
+targets += $(dtb-y)
+
+DTC_FLAGS += -R 4 -p 0x1000
+
+PHONY += dtbs
+dtbs: $(addprefix $(obj)/, $(dtb-y))
+	@:
+
+clean-files := *.dtb
diff --git a/arch/powerpc/dts/arches.dts b/arch/powerpc/dts/arches.dts
new file mode 100644
index 0000000..bd5ebfd
--- /dev/null
+++ b/arch/powerpc/dts/arches.dts
@@ -0,0 +1,339 @@
+/*
+ * Device Tree Source for AMCC Arches (dual 460GT board)
+ *
+ * (C) Copyright 2008 Applied Micro Circuits Corporation
+ * Victor Gallardo <vgallardo@amcc.com>
+ * Adam Graham <agraham@amcc.com>
+ *
+ * Based on the glacier.dts file
+ *   Stefan Roese <sr@denx.de>
+ *   Copyright 2008 DENX Software Engineering
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "amcc,arches";
+	compatible = "amcc,arches";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		ethernet1 = &EMAC1;
+		ethernet2 = &EMAC2;
+		serial0 = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,460GT";
+			reg = <0x00000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+			timebase-frequency = <0>; /* Filled in by U-Boot */
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			next-level-cache = <&L2C0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
+	};
+
+	UIC0: interrupt-controller0 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0x0c0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0x0d0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC2: interrupt-controller2 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <2>;
+		dcr-reg = <0x0e0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC3: interrupt-controller3 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <3>;
+		dcr-reg = <0x0f0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	SDR0: sdr {
+		compatible = "ibm,sdr-460gt";
+		dcr-reg = <0x00e 0x002>;
+	};
+
+	CPR0: cpr {
+		compatible = "ibm,cpr-460gt";
+		dcr-reg = <0x00c 0x002>;
+	};
+
+	L2C0: l2c {
+		compatible = "ibm,l2-cache-460gt", "ibm,l2-cache";
+		dcr-reg = <0x020 0x008		/* Internal SRAM DCR's */
+			   0x030 0x008>;	/* L2 cache DCR's */
+		cache-line-size = <32>;		/* 32 bytes */
+		cache-size = <262144>;		/* L2, 256K */
+		interrupt-parent = <&UIC1>;
+		interrupts = <11 1>;
+	};
+
+	plb {
+		compatible = "ibm,plb-460gt", "ibm,plb4";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by U-Boot */
+
+		SDRAM0: sdram {
+			compatible = "ibm,sdram-460gt", "ibm,sdram-405gp";
+			dcr-reg = <0x010 0x002>;
+		};
+
+		CRYPTO: crypto@180000 {
+			compatible = "amcc,ppc460gt-crypto", "amcc,ppc4xx-crypto";
+			reg = <4 0x00180000 0x80400>;
+			interrupt-parent = <&UIC0>;
+			interrupts = <0x1d 0x4>;
+		};
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal-460gt", "ibm,mcmal2";
+			dcr-reg = <0x180 0x062>;
+			num-tx-chans = <3>;
+			num-rx-chans = <24>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-parent = <&UIC2>;
+			interrupts = <	/*TXEOB*/ 0x6 0x4
+					/*RXEOB*/ 0x7 0x4
+					/*SERR*/  0x3 0x4
+					/*TXDE*/  0x4 0x4
+					/*RXDE*/  0x5 0x4>;
+			desc-base-addr-high = <0x8>;
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb-460gt", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+
+			EBC0: ebc {
+				compatible = "ibm,ebc-460gt", "ibm,ebc";
+				dcr-reg = <0x012 0x002>;
+				#address-cells = <2>;
+				#size-cells = <1>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
+				interrupts = <0x6 0x4>;
+				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl256n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0x00000000 0x00000000 0x02000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0x00000000 0x001e0000>;
+					};
+					partition@1e0000 {
+						label = "dtb";
+						reg = <0x001e0000 0x00020000>;
+					};
+					partition@200000 {
+						label = "root";
+						reg = <0x00200000 0x00200000>;
+					};
+					partition@400000 {
+						label = "user";
+						reg = <0x00400000 0x01b60000>;
+					};
+					partition@1f60000 {
+						label = "env";
+						reg = <0x01f60000 0x00040000>;
+					};
+					partition@1fa0000 {
+						label = "u-boot";
+						reg = <0x01fa0000 0x00060000>;
+					};
+				};
+			};
+
+			UART0: serial@ef600300 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <0xef600300 0x00000008>;
+				virtual-reg = <0xef600300>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC1>;
+				interrupts = <0x1 0x4>;
+			};
+
+			IIC0: i2c@ef600700 {
+				compatible = "ibm,iic-460gt", "ibm,iic";
+				reg = <0xef600700 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x2 0x4>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				sttm@4a {
+					compatible = "ad,ad7414";
+					reg = <0x4a>;
+					interrupt-parent = <&UIC1>;
+					interrupts = <0x0 0x8>;
+				};
+			};
+
+			IIC1: i2c@ef600800 {
+				compatible = "ibm,iic-460gt", "ibm,iic";
+				reg = <0xef600800 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x3 0x4>;
+			};
+
+			TAH0: emac-tah@ef601350 {
+				compatible = "ibm,tah-460gt", "ibm,tah";
+				reg = <0xef601350 0x00000030>;
+			};
+
+			TAH1: emac-tah@ef601450 {
+				compatible = "ibm,tah-460gt", "ibm,tah";
+				reg = <0xef601450 0x00000030>;
+			};
+
+			EMAC0: ethernet@ef600e00 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC0>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
+						 /*Wake*/   0x1 &UIC2 0x14 0x4>;
+				reg = <0xef600e00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <0>;
+				mal-rx-channel = <0>;
+				cell-index = <0>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				phy-mode = "sgmii";
+				phy-map = <0xffffffff>;
+				gpcs-address = <0x0000000a>;
+				tah-device = <&TAH0>;
+				tah-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+			};
+
+			EMAC1: ethernet@ef600f00 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC1>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x11 0x4
+						 /*Wake*/   0x1 &UIC2 0x15 0x4>;
+				reg = <0xef600f00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <1>;
+				mal-rx-channel = <8>;
+				cell-index = <1>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				phy-mode = "sgmii";
+				phy-map = <0x00000000>;
+				gpcs-address = <0x0000000b>;
+				tah-device = <&TAH1>;
+				tah-channel = <1>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+				mdio-device = <&EMAC0>;
+			};
+
+			EMAC2: ethernet@ef601100 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC2>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x12 0x4
+						 /*Wake*/   0x1 &UIC2 0x16 0x4>;
+				reg = <0xef601100 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <2>;
+				mal-rx-channel = <16>;
+				cell-index = <2>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				tx-fifo-size-gige = <16384>; /* emac2&3 only */
+				phy-mode = "sgmii";
+				phy-map = <0x00000001>;
+				gpcs-address = <0x0000000C>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+				mdio-device = <&EMAC0>;
+			};
+		};
+	};
+};
diff --git a/arch/powerpc/dts/canyonlands.dts b/arch/powerpc/dts/canyonlands.dts
new file mode 100644
index 0000000..0a2f5d7
--- /dev/null
+++ b/arch/powerpc/dts/canyonlands.dts
@@ -0,0 +1,561 @@
+/*
+ * Device Tree Source for AMCC Canyonlands (460EX)
+ *
+ * Copyright 2008-2009 DENX Software Engineering, Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "amcc,canyonlands";
+	compatible = "amcc,canyonlands";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		ethernet1 = &EMAC1;
+		serial0 = &UART0;
+		serial1 = &UART1;
+	};
+
+	chosen {
+		stdout-path = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,460EX";
+			reg = <0x00000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+			timebase-frequency = <0>; /* Filled in by U-Boot */
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			next-level-cache = <&L2C0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
+	};
+
+	UIC0: interrupt-controller0 {
+		compatible = "ibm,uic-460ex","ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0x0c0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic-460ex","ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0x0d0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC2: interrupt-controller2 {
+		compatible = "ibm,uic-460ex","ibm,uic";
+		interrupt-controller;
+		cell-index = <2>;
+		dcr-reg = <0x0e0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC3: interrupt-controller3 {
+		compatible = "ibm,uic-460ex","ibm,uic";
+		interrupt-controller;
+		cell-index = <3>;
+		dcr-reg = <0x0f0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	SDR0: sdr {
+		compatible = "ibm,sdr-460ex";
+		dcr-reg = <0x00e 0x002>;
+	};
+
+	CPR0: cpr {
+		compatible = "ibm,cpr-460ex";
+		dcr-reg = <0x00c 0x002>;
+	};
+
+	CPM0: cpm {
+		compatible = "ibm,cpm";
+		dcr-access-method = "native";
+		dcr-reg = <0x160 0x003>;
+		unused-units = <0x00000100>;
+		idle-doze = <0x02000000>;
+		standby = <0xfeff791d>;
+	};
+
+	L2C0: l2c {
+		compatible = "ibm,l2-cache-460ex", "ibm,l2-cache";
+		dcr-reg = <0x020 0x008		/* Internal SRAM DCR's */
+			   0x030 0x008>;	/* L2 cache DCR's */
+		cache-line-size = <32>;		/* 32 bytes */
+		cache-size = <262144>;		/* L2, 256K */
+		interrupt-parent = <&UIC1>;
+		interrupts = <11 1>;
+	};
+
+	plb {
+		compatible = "ibm,plb-460ex", "ibm,plb4";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by U-Boot */
+
+		SDRAM0: sdram {
+			compatible = "ibm,sdram-460ex", "ibm,sdram-405gp";
+			dcr-reg = <0x010 0x002>;
+		};
+
+		CRYPTO: crypto@180000 {
+			compatible = "amcc,ppc460ex-crypto", "amcc,ppc4xx-crypto";
+			reg = <4 0x00180000 0x80400>;
+			interrupt-parent = <&UIC0>;
+			interrupts = <0x1d 0x4>;
+		};
+
+		HWRNG: hwrng@110000 {
+			compatible = "amcc,ppc460ex-rng", "ppc4xx-rng";
+			reg = <4 0x00110000 0x50>;
+		};
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal-460ex", "ibm,mcmal2";
+			dcr-reg = <0x180 0x062>;
+			num-tx-chans = <2>;
+			num-rx-chans = <16>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-parent = <&UIC2>;
+			interrupts = <	/*TXEOB*/ 0x6 0x4
+					/*RXEOB*/ 0x7 0x4
+					/*SERR*/  0x3 0x4
+					/*TXDE*/  0x4 0x4
+					/*RXDE*/  0x5 0x4>;
+		};
+
+		USB0: ehci@bffd0400 {
+			compatible = "ibm,usb-ehci-460ex", "usb-ehci";
+			interrupt-parent = <&UIC2>;
+			interrupts = <0x1d 4>;
+			reg = <4 0xbffd0400 0x90 4 0xbffd0490 0x70>;
+		};
+
+		USB1: usb@bffd0000 {
+			compatible = "ohci-le";
+			reg = <4 0xbffd0000 0x60>;
+			interrupt-parent = <&UIC2>;
+			interrupts = <0x1e 4>;
+		};
+
+		USBOTG0: usbotg@bff80000 {
+			compatible = "amcc,dwc-otg";
+			reg = <0x4 0xbff80000 0x10000>;
+			interrupt-parent = <&USBOTG0>;
+			#interrupt-cells = <1>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupts = <0x0 0x1 0x2>;
+			interrupt-map = </* USB-OTG */ 0x0 &UIC2 0x1c 0x4
+					 /* HIGH-POWER */ 0x1 &UIC1 0x1a 0x8
+					 /* DMA */ 0x2 &UIC0 0xc 0x4>;
+		};
+
+		SATA0: sata@bffd1000 {
+			compatible = "amcc,sata-460ex";
+			reg = <4 0xbffd1000 0x800 4 0xbffd0800 0x400>;
+			interrupt-parent = <&UIC3>;
+			interrupts = <0x0 0x4       /* SATA */
+				      0x5 0x4>;     /* AHBDMA */
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb-460ex", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+
+			EBC0: ebc {
+				compatible = "ibm,ebc-460ex", "ibm,ebc";
+				dcr-reg = <0x012 0x002>;
+				#address-cells = <2>;
+				#size-cells = <1>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
+				interrupts = <0x6 0x4>;
+				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0x00000000 0x00000000 0x04000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0x00000000 0x001e0000>;
+					};
+					partition@1e0000 {
+						label = "dtb";
+						reg = <0x001e0000 0x00020000>;
+					};
+					partition@200000 {
+						label = "ramdisk";
+						reg = <0x00200000 0x01400000>;
+					};
+					partition@1600000 {
+						label = "jffs2";
+						reg = <0x01600000 0x00400000>;
+					};
+					partition@1a00000 {
+						label = "user";
+						reg = <0x01a00000 0x02560000>;
+					};
+					partition@3f60000 {
+						label = "env";
+						reg = <0x03f60000 0x00040000>;
+					};
+					partition@3fa0000 {
+						label = "u-boot";
+						reg = <0x03fa0000 0x00060000>;
+					};
+				};
+
+				cpld@2,0 {
+					compatible = "amcc,ppc460ex-bcsr";
+					reg = <2 0x0 0x9>;
+				};
+
+				ndfc@3,0 {
+					compatible = "ibm,ndfc";
+					reg = <0x00000003 0x00000000 0x00002000>;
+					ccr = <0x00001000>;
+					bank-settings = <0x80002222>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					nand {
+						#address-cells = <1>;
+						#size-cells = <1>;
+
+						partition@0 {
+							label = "u-boot";
+							reg = <0x00000000 0x00100000>;
+						};
+						partition@100000 {
+							label = "user";
+							reg = <0x00000000 0x03f00000>;
+						};
+					};
+				};
+			};
+
+			UART0: serial@ef600300 {
+				device_type = "serial";
+				reg-shift = <0>;
+				compatible = "ns16550";
+				reg = <0xef600300 0x00000008>;
+				virtual-reg = <0xef600300>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC1>;
+				interrupts = <0x1 0x4>;
+			};
+
+			UART1: serial@ef600400 {
+				device_type = "serial";
+				reg-shift = <0>;
+				compatible = "ns16550";
+				reg = <0xef600400 0x00000008>;
+				virtual-reg = <0xef600400>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x1 0x4>;
+			};
+
+			IIC0: i2c@ef600700 {
+				compatible = "ibm,iic-460ex", "ibm,iic";
+				reg = <0xef600700 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x2 0x4>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+                                rtc@68 {
+                                        compatible = "stm,m41t80";
+                                        reg = <0x68>;
+					interrupt-parent = <&UIC2>;
+					interrupts = <0x19 0x8>;
+                                };
+                                sttm@48 {
+                                        compatible = "ad,ad7414";
+                                        reg = <0x48>;
+					interrupt-parent = <&UIC1>;
+					interrupts = <0x14 0x8>;
+                                };
+			};
+
+			IIC1: i2c@ef600800 {
+				compatible = "ibm,iic-460ex", "ibm,iic";
+				reg = <0xef600800 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x3 0x4>;
+			};
+
+			GPIO0: gpio@ef600b00 {
+				compatible = "ibm,ppc4xx-gpio";
+				reg = <0xef600b00 0x00000048>;
+				gpio-controller;
+			};
+
+			ZMII0: emac-zmii@ef600d00 {
+				compatible = "ibm,zmii-460ex", "ibm,zmii";
+				reg = <0xef600d00 0x0000000c>;
+			};
+
+			RGMII0: emac-rgmii@ef601500 {
+				compatible = "ibm,rgmii-460ex", "ibm,rgmii";
+				reg = <0xef601500 0x00000008>;
+				has-mdio;
+			};
+
+			TAH0: emac-tah@ef601350 {
+				compatible = "ibm,tah-460ex", "ibm,tah";
+				reg = <0xef601350 0x00000030>;
+			};
+
+			TAH1: emac-tah@ef601450 {
+				compatible = "ibm,tah-460ex", "ibm,tah";
+				reg = <0xef601450 0x00000030>;
+			};
+
+			EMAC0: ethernet@ef600e00 {
+				device_type = "network";
+				compatible = "ibm,emac-460ex", "ibm,emac4sync";
+				interrupt-parent = <&EMAC0>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
+						 /*Wake*/   0x1 &UIC2 0x14 0x4>;
+				reg = <0xef600e00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <0>;
+				mal-rx-channel = <0>;
+				cell-index = <0>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII0>;
+				rgmii-channel = <0>;
+				tah-device = <&TAH0>;
+				tah-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+			};
+
+			EMAC1: ethernet@ef600f00 {
+				device_type = "network";
+				compatible = "ibm,emac-460ex", "ibm,emac4sync";
+				interrupt-parent = <&EMAC1>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x11 0x4
+						 /*Wake*/   0x1 &UIC2 0x15 0x4>;
+				reg = <0xef600f00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <1>;
+				mal-rx-channel = <8>;
+				cell-index = <1>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII0>;
+				rgmii-channel = <1>;
+				tah-device = <&TAH1>;
+				tah-channel = <1>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+				mdio-device = <&EMAC0>;
+			};
+		};
+
+		PCIX0: pci@c0ec00000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pcix-460ex", "ibm,plb-pcix";
+			primary;
+			large-inbound-windows;
+			enable-msi-hole;
+			reg = <0x0000000c 0x0ec00000   0x00000008	/* Config space access */
+			       0x00000000 0x00000000 0x00000000		/* no IACK cycles */
+			       0x0000000c 0x0ed00000   0x00000004   /* Special cycles */
+			       0x0000000c 0x0ec80000 0x00000100	/* Internal registers */
+			       0x0000000c 0x0ec80100  0x000000fc>;	/* Internal messaging registers */
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000d 0x80000000 0x00000000 0x80000000
+				  0x02000000 0x00000000 0x00000000 0x0000000c 0x0ee00000 0x00000000 0x00100000
+				  0x01000000 0x00000000 0x00000000 0x0000000c 0x08000000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 0 to 0x3f */
+			bus-range = <0x0 0x3f>;
+
+			/* All PCI interrupts are routed to ext IRQ 2 -> UIC1-0 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x0>;
+			interrupt-map = < 0x0 0x0 0x0 0x0 &UIC1 0x0 0x8 >;
+		};
+
+		PCIE0: pciex@d00000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460ex", "ibm,plb-pciex";
+			primary;
+			port = <0x0>; /* port number */
+			reg = <0x0000000d 0x00000000 0x20000000	/* Config space access */
+			       0x0000000c 0x08010000 0x00001000>;	/* Registers */
+			dcr-reg = <0x100 0x020>;
+			sdr-base = <0x300>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
+				  0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 40 to 0x7f */
+			bus-range = <0x40 0x7f>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0xc 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0xd 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
+		};
+
+		PCIE1: pciex@d20000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460ex", "ibm,plb-pciex";
+			primary;
+			port = <0x1>; /* port number */
+			reg = <0x0000000d 0x20000000 0x20000000	/* Config space access */
+			       0x0000000c 0x08011000 0x00001000>;	/* Registers */
+			dcr-reg = <0x120 0x020>;
+			sdr-base = <0x340>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000
+				  0x02000000 0x00000000 0x00000000 0x0000000f 0x00100000 0x00000000 0x00100000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 80 to 0xbf */
+			bus-range = <0x80 0xbf>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0x10 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0x11 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0x12 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0x13 0x4 /* swizzled int D */>;
+		};
+
+		MSI: ppc4xx-msi@C10000000 {
+			compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";
+			reg = < 0xC 0x10000000 0x100>;
+			sdr-base = <0x36C>;
+			msi-data = <0x00000000>;
+			msi-mask = <0x44440000>;
+			interrupt-count = <3>;
+			interrupts = <0 1 2 3>;
+			interrupt-parent = <&UIC3>;
+			#interrupt-cells = <1>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-map = <0 &UIC3 0x18 1
+					1 &UIC3 0x19 1
+					2 &UIC3 0x1A 1
+					3 &UIC3 0x1B 1>;
+		};
+	};
+};
diff --git a/arch/powerpc/dts/glacier.dts b/arch/powerpc/dts/glacier.dts
new file mode 100644
index 0000000..bb4e819
--- /dev/null
+++ b/arch/powerpc/dts/glacier.dts
@@ -0,0 +1,582 @@
+/*
+ * Device Tree Source for AMCC Glacier (460GT)
+ *
+ * Copyright 2008-2010 DENX Software Engineering, Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "amcc,glacier";
+	compatible = "amcc,glacier";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		ethernet1 = &EMAC1;
+		ethernet2 = &EMAC2;
+		ethernet3 = &EMAC3;
+		serial0 = &UART0;
+		serial1 = &UART1;
+	};
+
+	chosen {
+		stdout-path = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,460GT";
+			reg = <0x00000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+			timebase-frequency = <0>; /* Filled in by U-Boot */
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			next-level-cache = <&L2C0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
+	};
+
+	UIC0: interrupt-controller0 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0x0c0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0x0d0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC2: interrupt-controller2 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <2>;
+		dcr-reg = <0x0e0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC3: interrupt-controller3 {
+		compatible = "ibm,uic-460gt","ibm,uic";
+		interrupt-controller;
+		cell-index = <3>;
+		dcr-reg = <0x0f0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	SDR0: sdr {
+		compatible = "ibm,sdr-460gt";
+		dcr-reg = <0x00e 0x002>;
+	};
+
+	CPR0: cpr {
+		compatible = "ibm,cpr-460gt";
+		dcr-reg = <0x00c 0x002>;
+	};
+
+	L2C0: l2c {
+		compatible = "ibm,l2-cache-460gt", "ibm,l2-cache";
+		dcr-reg = <0x020 0x008		/* Internal SRAM DCR's */
+			   0x030 0x008>;	/* L2 cache DCR's */
+		cache-line-size = <32>;		/* 32 bytes */
+		cache-size = <262144>;		/* L2, 256K */
+		interrupt-parent = <&UIC1>;
+		interrupts = <11 1>;
+	};
+
+	plb {
+		compatible = "ibm,plb-460gt", "ibm,plb4";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by U-Boot */
+
+		SDRAM0: sdram {
+			compatible = "ibm,sdram-460gt", "ibm,sdram-405gp";
+			dcr-reg = <0x010 0x002>;
+		};
+
+		CRYPTO: crypto@180000 {
+			compatible = "amcc,ppc460gt-crypto", "amcc,ppc460ex-crypto",
+				"amcc,ppc4xx-crypto";
+			reg = <4 0x00180000 0x80400>;
+			interrupt-parent = <&UIC0>;
+			interrupts = <0x1d 0x4>;
+		};
+
+		HWRNG: hwrng@110000 {
+			compatible = "amcc,ppc460ex-rng", "ppc4xx-rng";
+			reg = <4 0x00110000 0x50>;
+		};
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal-460gt", "ibm,mcmal2";
+			dcr-reg = <0x180 0x062>;
+			num-tx-chans = <4>;
+			num-rx-chans = <32>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-parent = <&UIC2>;
+			interrupts = <	/*TXEOB*/ 0x6 0x4
+					/*RXEOB*/ 0x7 0x4
+					/*SERR*/  0x3 0x4
+					/*TXDE*/  0x4 0x4
+					/*RXDE*/  0x5 0x4>;
+			desc-base-addr-high = <0x8>;
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb-460gt", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+
+			EBC0: ebc {
+				compatible = "ibm,ebc-460gt", "ibm,ebc";
+				dcr-reg = <0x012 0x002>;
+				#address-cells = <2>;
+				#size-cells = <1>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
+				interrupts = <0x6 0x4>;
+				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0x00000000 0x00000000 0x04000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0x00000000 0x001e0000>;
+					};
+					partition@1e0000 {
+						label = "dtb";
+						reg = <0x001e0000 0x00020000>;
+					};
+					partition@200000 {
+						label = "ramdisk";
+						reg = <0x00200000 0x01400000>;
+					};
+					partition@1600000 {
+						label = "jffs2";
+						reg = <0x01600000 0x00400000>;
+					};
+					partition@1a00000 {
+						label = "user";
+						reg = <0x01a00000 0x02560000>;
+					};
+					partition@3f60000 {
+						label = "env";
+						reg = <0x03f60000 0x00040000>;
+					};
+					partition@3fa0000 {
+						label = "u-boot";
+						reg = <0x03fa0000 0x00060000>;
+					};
+				};
+
+				ndfc@3,0 {
+					compatible = "ibm,ndfc";
+					reg = <0x00000003 0x00000000 0x00002000>;
+					ccr = <0x00001000>;
+					bank-settings = <0x80002222>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					nand {
+						#address-cells = <1>;
+						#size-cells = <1>;
+
+						partition@0 {
+							label = "u-boot";
+							reg = <0x00000000 0x00100000>;
+						};
+						partition@100000 {
+							label = "user";
+							reg = <0x00000000 0x03f00000>;
+						};
+					};
+				};
+			};
+
+			UART0: serial@ef600300 {
+				device_type = "serial";
+				reg-shift = <0>;
+				compatible = "ns16550";
+				reg = <0xef600300 0x00000008>;
+				virtual-reg = <0xef600300>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC1>;
+				interrupts = <0x1 0x4>;
+			};
+
+			UART1: serial@ef600400 {
+				device_type = "serial";
+				reg-shift = <0>;
+				compatible = "ns16550";
+				reg = <0xef600400 0x00000008>;
+				virtual-reg = <0xef600400>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x1 0x4>;
+			};
+
+			UART2: serial@ef600500 {
+				device_type = "serial";
+				reg-shift = <0>;
+				compatible = "ns16550";
+				reg = <0xef600500 0x00000008>;
+				virtual-reg = <0xef600500>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC1>;
+				interrupts = <28 0x4>;
+			};
+
+			UART3: serial@ef600600 {
+				device_type = "serial";
+				reg-shift = <0>;
+				compatible = "ns16550";
+				reg = <0xef600600 0x00000008>;
+				virtual-reg = <0xef600600>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC1>;
+				interrupts = <29 0x4>;
+			};
+
+			IIC0: i2c@ef600700 {
+				compatible = "ibm,iic-460gt", "ibm,iic";
+				reg = <0xef600700 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x2 0x4>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				rtc@68 {
+					compatible = "stm,m41t80";
+					reg = <0x68>;
+					interrupt-parent = <&UIC2>;
+					interrupts = <0x19 0x8>;
+				};
+				sttm@48 {
+					compatible = "ad,ad7414";
+					reg = <0x48>;
+					interrupt-parent = <&UIC1>;
+					interrupts = <0x14 0x8>;
+				};
+			};
+
+			IIC1: i2c@ef600800 {
+				compatible = "ibm,iic-460gt", "ibm,iic";
+				reg = <0xef600800 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x3 0x4>;
+			};
+
+			ZMII0: emac-zmii@ef600d00 {
+				compatible = "ibm,zmii-460gt", "ibm,zmii";
+				reg = <0xef600d00 0x0000000c>;
+			};
+
+			RGMII0: emac-rgmii@ef601500 {
+				compatible = "ibm,rgmii-460gt", "ibm,rgmii";
+				reg = <0xef601500 0x00000008>;
+				has-mdio;
+			};
+
+			RGMII1: emac-rgmii@ef601600 {
+				compatible = "ibm,rgmii-460gt", "ibm,rgmii";
+				reg = <0xef601600 0x00000008>;
+				has-mdio;
+			};
+
+			TAH0: emac-tah@ef601350 {
+				compatible = "ibm,tah-460gt", "ibm,tah";
+				reg = <0xef601350 0x00000030>;
+			};
+
+			TAH1: emac-tah@ef601450 {
+				compatible = "ibm,tah-460gt", "ibm,tah";
+				reg = <0xef601450 0x00000030>;
+			};
+
+			EMAC0: ethernet@ef600e00 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC0>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
+						 /*Wake*/   0x1 &UIC2 0x14 0x4>;
+				reg = <0xef600e00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <0>;
+				mal-rx-channel = <0>;
+				cell-index = <0>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII0>;
+				rgmii-channel = <0>;
+				tah-device = <&TAH0>;
+				tah-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+			};
+
+			EMAC1: ethernet@ef600f00 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC1>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x11 0x4
+						 /*Wake*/   0x1 &UIC2 0x15 0x4>;
+				reg = <0xef600f00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <1>;
+				mal-rx-channel = <8>;
+				cell-index = <1>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII0>;
+				rgmii-channel = <1>;
+				tah-device = <&TAH1>;
+				tah-channel = <1>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+				mdio-device = <&EMAC0>;
+			};
+
+			EMAC2: ethernet@ef601100 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC2>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x12 0x4
+						 /*Wake*/   0x1 &UIC2 0x16 0x4>;
+				reg = <0xef601100 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <2>;
+				mal-rx-channel = <16>;
+				cell-index = <2>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				tx-fifo-size-gige = <16384>; /* emac2&3 only */
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII1>;
+				rgmii-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+				mdio-device = <&EMAC0>;
+			};
+
+			EMAC3: ethernet@ef601200 {
+				device_type = "network";
+				compatible = "ibm,emac-460gt", "ibm,emac4sync";
+				interrupt-parent = <&EMAC3>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x13 0x4
+						 /*Wake*/   0x1 &UIC2 0x17 0x4>;
+				reg = <0xef601200 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <3>;
+				mal-rx-channel = <24>;
+				cell-index = <3>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				rx-fifo-size-gige = <16384>;
+				tx-fifo-size-gige = <16384>; /* emac2&3 only */
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII1>;
+				rgmii-channel = <1>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+				mdio-device = <&EMAC0>;
+			};
+		};
+
+		PCIX0: pci@c0ec00000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pcix-460gt", "ibm,plb-pcix";
+			primary;
+			large-inbound-windows;
+			enable-msi-hole;
+			reg = <0x0000000c 0x0ec00000   0x00000008	/* Config space access */
+			       0x00000000 0x00000000 0x00000000		/* no IACK cycles */
+			       0x0000000c 0x0ed00000   0x00000004   /* Special cycles */
+			       0x0000000c 0x0ec80000 0x00000100	/* Internal registers */
+			       0x0000000c 0x0ec80100  0x000000fc>;	/* Internal messaging registers */
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000d 0x80000000 0x00000000 0x80000000
+				  0x02000000 0x00000000 0x00000000 0x0000000c 0x0ee00000 0x00000000 0x00100000
+				  0x01000000 0x00000000 0x00000000 0x0000000c 0x08000000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 0 to 0x3f */
+			bus-range = <0x0 0x3f>;
+
+			/* All PCI interrupts are routed to ext IRQ 2 -> UIC1-0 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x0>;
+			interrupt-map = < 0x0 0x0 0x0 0x0 &UIC1 0x0 0x8 >;
+		};
+
+		PCIE0: pciex@d00000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460ex", "ibm,plb-pciex";
+			primary;
+			port = <0x0>; /* port number */
+			reg = <0x0000000d 0x00000000 0x20000000	/* Config space access */
+			       0x0000000c 0x08010000 0x00001000>;	/* Registers */
+			dcr-reg = <0x100 0x020>;
+			sdr-base = <0x300>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
+				  0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 40 to 0x7f */
+			bus-range = <0x40 0x7f>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0xc 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0xd 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
+		};
+
+		PCIE1: pciex@d20000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460ex", "ibm,plb-pciex";
+			primary;
+			port = <0x1>; /* port number */
+			reg = <0x0000000d 0x20000000 0x20000000	/* Config space access */
+			       0x0000000c 0x08011000 0x00001000>;	/* Registers */
+			dcr-reg = <0x120 0x020>;
+			sdr-base = <0x340>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000
+				  0x02000000 0x00000000 0x00000000 0x0000000f 0x00100000 0x00000000 0x00100000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 80 to 0xbf */
+			bus-range = <0x80 0xbf>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0x10 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0x11 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0x12 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0x13 0x4 /* swizzled int D */>;
+		};
+	};
+};
diff --git a/arch/powerpc/include/asm/arch-ppc4xx/gpio.h b/arch/powerpc/include/asm/arch-ppc4xx/gpio.h
new file mode 100644
index 0000000..3d960c3
--- /dev/null
+++ b/arch/powerpc/include/asm/arch-ppc4xx/gpio.h
@@ -0,0 +1,7 @@
+/*
+ * (C) Copyright 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* This is empty for now as we don't support the generic GPIO interface */
diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h
new file mode 100644
index 0000000..559b42e
--- /dev/null
+++ b/arch/powerpc/include/asm/linkage.h
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* We don't need anything here at present */
diff --git a/arch/powerpc/include/asm/ppc460ex_gt.h b/arch/powerpc/include/asm/ppc460ex_gt.h
index f41df0d..ea019aa 100644
--- a/arch/powerpc/include/asm/ppc460ex_gt.h
+++ b/arch/powerpc/include/asm/ppc460ex_gt.h
@@ -19,10 +19,12 @@
 /* Memory mapped registers */
 #define CONFIG_SYS_PERIPHERAL_BASE	0xef600000 /* Internal Peripherals */
 
+#ifndef CONFIG_DM_SERIAL
 #define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_PERIPHERAL_BASE + 0x0300)
 #define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_PERIPHERAL_BASE + 0x0400)
 #define CONFIG_SYS_NS16550_COM3	(CONFIG_SYS_PERIPHERAL_BASE + 0x0500)
 #define CONFIG_SYS_NS16550_COM4	(CONFIG_SYS_PERIPHERAL_BASE + 0x0600)
+#endif
 
 #define GPIO0_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0b00)
 #define GPIO1_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0c00)
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 0f62982..05b22bb 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -40,6 +40,7 @@ obj-y	+= extable.o
 obj-y	+= interrupts.o
 obj-$(CONFIG_CMD_KGDB) += kgdb.o
 obj-$(CONFIG_CMD_IDE) += ide.o
+obj-y	+= stack.o
 obj-y	+= time.o
 
 # Don't include the MPC5xxx special memcpy into the
diff --git a/arch/powerpc/lib/stack.c b/arch/powerpc/lib/stack.c
new file mode 100644
index 0000000..1985f03
--- /dev/null
+++ b/arch/powerpc/lib/stack.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2015 Andreas Bießmann <andreas.devel@googlemail.com>
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2002-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int arch_reserve_stacks(void)
+{
+	ulong *s;
+
+	/* setup stack pointer for exceptions */
+	gd->irq_sp = gd->start_addr_sp;
+
+	/* Clear initial stack frame */
+	s = (ulong *)gd->start_addr_sp;
+	*s = 0; /* Terminate back chain */
+	*++s = 0; /* NULL return address */
+
+	return 0;
+}