Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (23 commits)
  [POWERPC] Add arch/powerpc support for the Motorola PrPMC2800
  [POWERPC] Add bootwrapper support for Motorola PrPMC2800 platform
  [POWERPC] Add DTS file for the Motorola PrPMC2800 platform
  [POWERPC] Check cache coherency of kernel vs firmware
  [POWERPC] Add Marvell mv64x60 PCI bridge support
  [POWERPC] Create Marvell mv64x60 I2C platform_data
  [POWERPC] Create Marvell mv64x60 ethernet platform_data
  [POWERPC] Create Marvell mv64x60 MPSC (serial) platform_data
  [POWERPC] Add interrupt support for Marvell mv64x60 chips
  [POWERPC] Add bootwrapper support for Marvell/mv64x60 I2C
  [POWERPC] Add bootwrapper support for Marvell MPSC
  [POWERPC] Add bootwrapper support for Marvell/mv64x60 hostbridge
  [POWERPC] Add Makefile rules to wrap dts file in zImage
  [POWERPC] Spelling fixes: arch/ppc/
  [POWERPC] U-boot passes the initrd as start/end, not start/size.
  [POWERPC] PS3: Update ps3_defconfig
  [POWERPC] PS3: Fix request_irq warning
  [POWERPC] Don't complain if size-cells == 0 in prom_parse()
  [POWERPC] Simplify smp_space_timers
  [POWERPC] Trivial ps3 warning fixes
  ...

72 files changed, 4682 insertions, 204 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index ccc5410af99..56d3c0dcd2b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -389,6 +389,9 @@ config NOT_COHERENT_CACHE
 	bool
 	depends on 4xx || 8xx || E200
 	default y
+
+config CONFIG_CHECK_CACHE_COHERENCY
+	bool
 endmenu
 
 source "init/Kconfig"
@@ -451,7 +454,7 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on PPC_MULTIPLATFORM && EXPERIMENTAL
+	depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 81a531d84ff..d6014a67694 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -148,7 +148,7 @@ all: $(KBUILD_IMAGE)
 
 CPPFLAGS_vmlinux.lds	:= -Upowerpc
 
-BOOT_TARGETS = zImage zImage.initrd uImage
+BOOT_TARGETS = zImage zImage.initrd zImage.dts zImage.dts_initrd uImage
 
 PHONY += $(BOOT_TARGETS)
 
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 5c384aad118..d4f9fef7f9e 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -43,9 +43,9 @@ $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \
 src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
 		ns16550.c serial.c simple_alloc.c div64.S util.S \
 		gunzip_util.c elf_util.c $(zlib) devtree.c \
-		44x.c ebony.c
+		44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c
 src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \
-		cuboot-ebony.c treeboot-ebony.c
+		cuboot-ebony.c treeboot-ebony.c prpmc2800.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -132,6 +132,7 @@ image-$(CONFIG_PPC_CHRP)		+= zImage.chrp
 image-$(CONFIG_PPC_EFIKA)		+= zImage.chrp
 image-$(CONFIG_PPC_PMAC)		+= zImage.pmac
 image-$(CONFIG_PPC_HOLLY)		+= zImage.holly-elf
+image-$(CONFIG_PPC_PRPMC2800)		+= zImage.prpmc2800
 image-$(CONFIG_DEFAULT_UIMAGE)		+= uImage
 
 ifneq ($(CONFIG_DEVICE_TREE),"")
@@ -154,9 +155,27 @@ targets	+= $(image-y) $(initrd-y)
 
 $(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz
 
+dts-  := $(patsubst zImage%, zImage.dts%, $(image-n) $(image-))
+dts-y := $(patsubst zImage%, zImage.dts%, $(image-y))
+dts-y := $(filter-out $(image-y), $(dts-y))
+targets	+= $(image-y) $(dts-y)
+
+dts_initrd-  := $(patsubst zImage%, zImage.dts_initrd%, $(image-n) $(image-))
+dts_initrd-y := $(patsubst zImage%, zImage.dts_initrd%, $(image-y))
+dts_initrd-y := $(filter-out $(image-y), $(dts_initrd-y))
+targets	+= $(image-y) $(dts_initrd-y)
+
+$(addprefix $(obj)/, $(dts_initrd-y)): $(obj)/ramdisk.image.gz
+
 # Don't put the ramdisk on the pattern rule; when its missing make will try
 # the pattern rule with less dependencies that also matches (even with the
 # hard dependency listed).
+$(obj)/zImage.dts_initrd.%: vmlinux $(wrapperbits) $(dts) $(obj)/ramdisk.image.gz
+	$(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz)
+
+$(obj)/zImage.dts.%: vmlinux $(wrapperbits) $(dts)
+	$(call if_changed,wrap,$*,$(dts))
+
 $(obj)/zImage.initrd.%: vmlinux $(wrapperbits)
 	$(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz)
 
@@ -195,13 +214,18 @@ $(obj)/zImage:		$(addprefix $(obj)/, $(image-y))
 	@rm -f $@; ln $< $@
 $(obj)/zImage.initrd:	$(addprefix $(obj)/, $(initrd-y))
 	@rm -f $@; ln $< $@
+$(obj)/zImage.dts:	$(addprefix $(obj)/, $(dts-y))
+	@rm -f $@; ln $< $@
+$(obj)/zImage.dts_initrd:	$(addprefix $(obj)/, $(dts_initrd-y))
+	@rm -f $@; ln $< $@
+
 
 install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
 	sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
 
 # anything not in $(targets)
 clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* \
-	treeImage.*
+	treeImage.* zImage.dts zImage.dts_initrd
 
 # clean up files cached by wrapper
 clean-kernel := vmlinux.strip vmlinux.bin
diff --git a/arch/powerpc/boot/cuboot-83xx.c b/arch/powerpc/boot/cuboot-83xx.c
index 6cbc20afb4d..9af554eea54 100644
--- a/arch/powerpc/boot/cuboot-83xx.c
+++ b/arch/powerpc/boot/cuboot-83xx.c
@@ -57,7 +57,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
 	memcpy(&bd, (bd_t *)r3, sizeof(bd));
 	loader_info.initrd_addr = r4;
-	loader_info.initrd_size = r4 ? r5 : 0;
+	loader_info.initrd_size = r4 ? r5 - r4 : 0;
 	loader_info.cmdline = (char *)r6;
 	loader_info.cmdline_len = r7 - r6;
 
diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c
index f88ba00ac12..e2560317f27 100644
--- a/arch/powerpc/boot/cuboot-85xx.c
+++ b/arch/powerpc/boot/cuboot-85xx.c
@@ -58,7 +58,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
 	memcpy(&bd, (bd_t *)r3, sizeof(bd));
 	loader_info.initrd_addr = r4;
-	loader_info.initrd_size = r4 ? r5 : 0;
+	loader_info.initrd_size = r4 ? r5 - r4 : 0;
 	loader_info.cmdline = (char *)r6;
 	loader_info.cmdline_len = r7 - r6;
 
diff --git a/arch/powerpc/boot/dts/prpmc2800.dts b/arch/powerpc/boot/dts/prpmc2800.dts
new file mode 100644
index 00000000000..568965a022b
--- /dev/null
+++ b/arch/powerpc/boot/dts/prpmc2800.dts
@@ -0,0 +1,315 @@
+/* Device Tree Source for Motorola PrPMC2800
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2007 (c) MontaVista, Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ * Property values that are labeled as "Default" will be updated by bootwrapper
+ * if it can determine the exact PrPMC type.
+ *
+ * To build:
+ *   dtc -I dts -O asm -o prpmc2800.S -b 0 prpmc2800.dts
+ *   dtc -I dts -O dtb -o prpmc2800.dtb -b 0 prpmc2800.dts
+ */
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	model = "PrPMC280/PrPMC2800"; /* Default */
+	compatible = "motorola,PrPMC2800";
+	coherency-off;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		PowerPC,7447 {
+			device_type = "cpu";
+			reg = <0>;
+			clock-frequency = <2bb0b140>;	/* Default (733 MHz) */
+			bus-frequency = <7f28155>;	/* 133.333333 MHz */
+			timebase-frequency = <1fca055>;	/* 33.333333 MHz */
+			i-cache-line-size = <20>;
+			d-cache-line-size = <20>;
+			i-cache-size = <8000>;
+			d-cache-size = <8000>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <00000000 20000000>;	/* Default (512MB) */
+	};
+
+	mv64x60@f1000000 { /* Marvell Discovery */
+		#address-cells = <1>;
+		#size-cells = <1>;
+		#interrupt-cells = <1>;
+		model = "mv64360";			/* Default */
+		compatible = "marvell,mv64x60";
+		clock-frequency = <7f28155>;		/* 133.333333 MHz */
+		reg = <f1000000 00010000>;
+		virtual-reg = <f1000000>;
+		ranges = <88000000 88000000 01000000	/* PCI 0 I/O Space */
+			  80000000 80000000 08000000	/* PCI 0 MEM Space */
+			  a0000000 a0000000 04000000	/* User FLASH */
+			  00000000 f1000000 00010000	/* Bridge's regs */
+			  f2000000 f2000000 00040000>;	/* Integrated SRAM */
+
+		flash@a0000000 {
+			device_type = "rom";
+			compatible = "direct-mapped";
+			reg = <a0000000 4000000>; /* Default (64MB) */
+			probe-type = "CFI";
+			bank-width = <4>;
+			partitions = <00000000 00100000 /* RO */
+				      00100000 00040001 /* RW */
+				      00140000 00400000 /* RO */
+				      00540000 039c0000 /* RO */
+				      03f00000 00100000>; /* RO */
+			partition-names = "FW Image A", "FW Config Data", "Kernel Image", "Filesystem", "FW Image B";
+		};
+
+		mdio {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			device_type = "mdio";
+			compatible = "marvell,mv64x60-mdio";
+			ethernet-phy@1 {
+				device_type = "ethernet-phy";
+				compatible = "broadcom,bcm5421";
+				interrupts = <4c>;	/* GPP 12 */
+				interrupt-parent = <&/mv64x60/pic>;
+				reg = <1>;
+			};
+			ethernet-phy@3 {
+				device_type = "ethernet-phy";
+				compatible = "broadcom,bcm5421";
+				interrupts = <4c>;	/* GPP 12 */
+				interrupt-parent = <&/mv64x60/pic>;
+				reg = <3>;
+			};
+		};
+
+		ethernet@2000 {
+			reg = <2000 2000>;
+			eth0 {
+				device_type = "network";
+				compatible = "marvell,mv64x60-eth";
+				block-index = <0>;
+				interrupts = <20>;
+				interrupt-parent = <&/mv64x60/pic>;
+				phy = <&/mv64x60/mdio/ethernet-phy@1>;
+				local-mac-address = [ 00 00 00 00 00 00 ];
+			};
+			eth1 {
+				device_type = "network";
+				compatible = "marvell,mv64x60-eth";
+				block-index = <1>;
+				interrupts = <21>;
+				interrupt-parent = <&/mv64x60/pic>;
+				phy = <&/mv64x60/mdio/ethernet-phy@3>;
+				local-mac-address = [ 00 00 00 00 00 00 ];
+			};
+		};
+
+		sdma@4000 {
+			device_type = "dma";
+			compatible = "marvell,mv64x60-sdma";
+			reg = <4000 c18>;
+			virtual-reg = <f1004000>;
+			interrupt-base = <0>;
+			interrupts = <24>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		sdma@6000 {
+			device_type = "dma";
+			compatible = "marvell,mv64x60-sdma";
+			reg = <6000 c18>;
+			virtual-reg = <f1006000>;
+			interrupt-base = <0>;
+			interrupts = <26>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		brg@b200 {
+			compatible = "marvell,mv64x60-brg";
+			reg = <b200 8>;
+			clock-src = <8>;
+			clock-frequency = <7ed6b40>;
+			current-speed = <2580>;
+			bcr = <0>;
+		};
+
+		brg@b208 {
+			compatible = "marvell,mv64x60-brg";
+			reg = <b208 8>;
+			clock-src = <8>;
+			clock-frequency = <7ed6b40>;
+			current-speed = <2580>;
+			bcr = <0>;
+		};
+
+		cunit@f200 {
+			reg = <f200 200>;
+		};
+
+		mpscrouting@b400 {
+			reg = <b400 c>;
+		};
+
+		mpscintr@b800 {
+			reg = <b800 100>;
+			virtual-reg = <f100b800>;
+		};
+
+		mpsc@8000 {
+			device_type = "serial";
+			compatible = "marvell,mpsc";
+			reg = <8000 38>;
+			virtual-reg = <f1008000>;
+			sdma = <&/mv64x60/sdma@4000>;
+			brg = <&/mv64x60/brg@b200>;
+			cunit = <&/mv64x60/cunit@f200>;
+			mpscrouting = <&/mv64x60/mpscrouting@b400>;
+			mpscintr = <&/mv64x60/mpscintr@b800>;
+			block-index = <0>;
+			max_idle = <28>;
+			chr_1 = <0>;
+			chr_2 = <0>;
+			chr_10 = <3>;
+			mpcr = <0>;
+			interrupts = <28>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		mpsc@9000 {
+			device_type = "serial";
+			compatible = "marvell,mpsc";
+			reg = <9000 38>;
+			virtual-reg = <f1009000>;
+			sdma = <&/mv64x60/sdma@6000>;
+			brg = <&/mv64x60/brg@b208>;
+			cunit = <&/mv64x60/cunit@f200>;
+			mpscrouting = <&/mv64x60/mpscrouting@b400>;
+			mpscintr = <&/mv64x60/mpscintr@b800>;
+			block-index = <1>;
+			max_idle = <28>;
+			chr_1 = <0>;
+			chr_2 = <0>;
+			chr_10 = <3>;
+			mpcr = <0>;
+			interrupts = <2a>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		i2c@c000 {
+			device_type = "i2c";
+			compatible = "marvell,mv64x60-i2c";
+			reg = <c000 20>;
+			virtual-reg = <f100c000>;
+			freq_m = <8>;
+			freq_n = <3>;
+			timeout = <3e8>;		/* 1000 = 1 second */
+			retries = <1>;
+			interrupts = <25>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		pic {
+			#interrupt-cells = <1>;
+			#address-cells = <0>;
+			compatible = "marvell,mv64x60-pic";
+			reg = <0000 88>;
+			interrupt-controller;
+		};
+
+		mpp@f000 {
+			compatible = "marvell,mv64x60-mpp";
+			reg = <f000 10>;
+		};
+
+		gpp@f100 {
+			compatible = "marvell,mv64x60-gpp";
+			reg = <f100 20>;
+		};
+
+		pci@80000000 {
+			#address-cells = <3>;
+			#size-cells = <2>;
+			#interrupt-cells = <1>;
+			device_type = "pci";
+			compatible = "marvell,mv64x60-pci";
+			reg = <0cf8 8>;
+			ranges = <01000000 0        0 88000000 0 01000000
+				  02000000 0 80000000 80000000 0 08000000>;
+			bus-range = <0 ff>;
+			clock-frequency = <3EF1480>;
+			interrupt-pci-iack = <0c34>;
+			interrupt-parent = <&/mv64x60/pic>;
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+				/* IDSEL 0x0a */
+				5000 0 0 1 &/mv64x60/pic 50
+				5000 0 0 2 &/mv64x60/pic 51
+				5000 0 0 3 &/mv64x60/pic 5b
+				5000 0 0 4 &/mv64x60/pic 5d
+
+				/* IDSEL 0x0b */
+				5800 0 0 1 &/mv64x60/pic 5b
+				5800 0 0 2 &/mv64x60/pic 5d
+				5800 0 0 3 &/mv64x60/pic 50
+				5800 0 0 4 &/mv64x60/pic 51
+
+				/* IDSEL 0x0c */
+				6000 0 0 1 &/mv64x60/pic 5b
+				6000 0 0 2 &/mv64x60/pic 5d
+				6000 0 0 3 &/mv64x60/pic 50
+				6000 0 0 4 &/mv64x60/pic 51
+
+				/* IDSEL 0x0d */
+				6800 0 0 1 &/mv64x60/pic 5d
+				6800 0 0 2 &/mv64x60/pic 50
+				6800 0 0 3 &/mv64x60/pic 51
+				6800 0 0 4 &/mv64x60/pic 5b
+			>;
+		};
+
+		cpu-error@0070 {
+			compatible = "marvell,mv64x60-cpu-error";
+			reg = <0070 10 0128 28>;
+			interrupts = <03>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		sram-ctrl@0380 {
+			compatible = "marvell,mv64x60-sram-ctrl";
+			reg = <0380 80>;
+			interrupts = <0d>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		pci-error@1d40 {
+			compatible = "marvell,mv64x60-pci-error";
+			reg = <1d40 40 0c28 4>;
+			interrupts = <0c>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+
+		mem-ctrl@1400 {
+			compatible = "marvell,mv64x60-mem-ctrl";
+			reg = <1400 60>;
+			interrupts = <11>;
+			interrupt-parent = <&/mv64x60/pic>;
+		};
+	};
+
+	chosen {
+		bootargs = "ip=on console=ttyMM0";
+		linux,stdout-path = "/mv64x60@f1000000/mpsc@8000";
+	};
+};
diff --git a/arch/powerpc/boot/mpsc.c b/arch/powerpc/boot/mpsc.c
new file mode 100644
index 00000000000..f1c0e965e5c
--- /dev/null
+++ b/arch/powerpc/boot/mpsc.c
@@ -0,0 +1,170 @@
+/*
+ * MPSC/UART driver for the Marvell mv64360, mv64460, ...
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+#include "types.h"
+#include "string.h"
+#include "stdio.h"
+#include "io.h"
+#include "ops.h"
+
+extern void udelay(long delay);
+
+#define MPSC_CHR_1		0x000c
+
+#define MPSC_CHR_2		0x0010
+#define MPSC_CHR_2_TA		(1<<7)
+#define MPSC_CHR_2_TCS		(1<<9)
+#define MPSC_CHR_2_RA		(1<<23)
+#define MPSC_CHR_2_CRD		(1<<25)
+#define MPSC_CHR_2_EH		(1<<31)
+
+#define MPSC_CHR_4		0x0018
+#define MPSC_CHR_4_Z		(1<<29)
+
+#define MPSC_CHR_5		0x001c
+#define MPSC_CHR_5_CTL1_INTR	(1<<12)
+#define MPSC_CHR_5_CTL1_VALID	(1<<15)
+
+#define MPSC_CHR_10		0x0030
+
+#define MPSC_INTR_CAUSE		0x0000
+#define MPSC_INTR_CAUSE_RCC	(1<<6)
+#define MPSC_INTR_MASK		0x0080
+