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
  ...

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

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)
 

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

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;
 

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;
 

arch/powerpc/boot/dts/prpmc2800.dts

+/* 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";
+	};
+};

arch/powerpc/boot/mpsc.c

+/*
+ * 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
+
+#define SDMA_SDCM		0x0008
+#define SDMA_SDCM_AR		(1<<15)
+#define SDMA_SDCM_AT		(1<<31)
+
+static volatile char *mpsc_base;
+static volatile char *mpscintr_base;
+static u32 chr1, chr2;
+
+static int mpsc_open(void)
+{
+	chr1 = in_le32((u32 *)(mpsc_base + MPSC_CHR_1)) & 0x00ff0000;
+	chr2 = in_le32((u32 *)(mpsc_base + MPSC_CHR_2)) & ~(MPSC_CHR_2_TA
+			| MPSC_CHR_2_TCS | MPSC_CHR_2_RA | MPSC_CHR_2_CRD
+			| MPSC_CHR_2_EH);
+	out_le32((u32 *)(mpsc_base + MPSC_CHR_4), MPSC_CHR_4_Z);
+	out_le32((u32 *)(mpsc_base + MPSC_CHR_5),
+			MPSC_CHR_5_CTL1_INTR | MPSC_CHR_5_CTL1_VALID);
+	out_le32((u32 *)(mpsc_base + MPSC_CHR_2), chr2 | MPSC_CHR_2_EH);
+	return 0;
+}
+
+static void mpsc_putc(unsigned char c)
+{
+	while (in_le32((u32 *)(mpsc_base + MPSC_CHR_2)) & MPSC_CHR_2_TCS);
+
+	out_le32((u32 *)(mpsc_base + MPSC_CHR_1), chr1 | c);
+	out_le32((u32 *)(mpsc_base + MPSC_CHR_2), chr2 | MPSC_CHR_2_TCS);
+}
+
+static unsigned char mpsc_getc(void)
+{
+	u32 cause = 0;
+	unsigned char c;
+
+	while (!(cause & MPSC_INTR_CAUSE_RCC))
+		cause = in_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE));
+
+	c = in_8((u8 *)(mpsc_base + MPSC_CHR_10 + 2));
+	out_8((u8 *)(mpsc_base + MPSC_CHR_10 + 2), c);
+	out_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE),
+			cause & ~MPSC_INTR_CAUSE_RCC);
+
+	return c;
+}
+
+static u8 mpsc_tstc(void)
+{
+	return (u8)((in_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE))
+				& MPSC_INTR_CAUSE_RCC) != 0);
+}
+
+static void mpsc_stop_dma(volatile char *sdma_base)
+{
+	out_le32((u32 *)(mpsc_base + MPSC_CHR_2),MPSC_CHR_2_TA | MPSC_CHR_2_RA);
+	out_le32((u32 *)(sdma_base + SDMA_SDCM), SDMA_SDCM_AR | SDMA_SDCM_AT);
+
+	while ((in_le32((u32 *)(sdma_base + SDMA_SDCM))
+				& (SDMA_SDCM_AR | SDMA_SDCM_AT)) != 0)
+		udelay(100);
+}
+
+static volatile char *mpsc_get_virtreg_of_phandle(void *devp, char *prop)
+{
+	void *v;
+	int n;
+
+	n = getprop(devp, prop, &v, sizeof(v));
+	if (n != sizeof(v))
+		goto err_out;
+
+	devp = find_node_by_linuxphandle((u32)v);
+	if (devp == NULL)
+		goto err_out;
+
+	n = getprop(devp, "virtual-reg", &v, sizeof(v));
+	if (n == sizeof(v))
+		return v;
+
+err_out:
+	return NULL;
+}
+
+int mpsc_console_init(void *devp, struct serial_console_data *scdp)
+{
+	void *v;
+	int n, reg_set;
+	volatile char *sdma_base;
+
+	n = getprop(devp, "virtual-reg", &v, sizeof(v));
+	if (n != sizeof(v))
+		goto err_out;
+	mpsc_base = v;
+
+	sdma_base = mpsc_get_virtreg_of_phandle(devp, "sdma");
+	if (sdma_base == NULL)
+		goto err_out;
+
+	mpscintr_base = mpsc_get_virtreg_of_phandle(devp, "mpscintr");
+	if (mpscintr_base == NULL)
+		goto err_out;
+
+	n = getprop(devp, "block-index", &v, sizeof(v));
+	if (n != sizeof(v))
+		goto err_out;
+	reg_set = (int)v;
+
+	mpscintr_base += (reg_set == 0) ? 0x4 : 0xc;
+
+	/* Make sure the mpsc ctlrs are shutdown */
+	out_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE), 0);
+	out_le32((u32 *)(mpscintr_base + MPSC_INTR_CAUSE), 0);
+	out_le32((u32 *)(mpscintr_base + MPSC_INTR_MASK), 0);
+	out_le32((u32 *)(mpscintr_base + MPSC_INTR_MASK), 0);
+
+	mpsc_stop_dma(sdma_base);
+
+	scdp->open = mpsc_open;
+	scdp->putc = mpsc_putc;
+	scdp->getc = mpsc_getc;
+	scdp->tstc = mpsc_tstc;
+	scdp->close = NULL;
+
+	return 0;
+
+err_out:
+	return -1;
+}

arch/powerpc/boot/mv64x60.h

+/*
+ * Author: Mark A. Greer <source@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.
+ */
+
+#ifndef _PPC_BOOT_MV64x60_H_
+#define _PPC_BOOT_MV64x60_H_
+
+#define MV64x60_CPU_BAR_ENABLE			0x0278
+
+#define MV64x60_PCI_ACC_CNTL_ENABLE		(1<<0)
+#define MV64x60_PCI_ACC_CNTL_REQ64		(1<<1)
+#define MV64x60_PCI_ACC_CNTL_SNOOP_NONE		0x00000000
+#define MV64x60_PCI_ACC_CNTL_SNOOP_WT		0x00000004
+#define MV64x60_PCI_ACC_CNTL_SNOOP_WB		0x00000008
+#define MV64x60_PCI_ACC_CNTL_SNOOP_MASK		0x0000000c
+#define MV64x60_PCI_ACC_CNTL_ACCPROT		(1<<4)
+#define MV64x60_PCI_ACC_CNTL_WRPROT		(1<<5)
+#define MV64x60_PCI_ACC_CNTL_SWAP_BYTE		0x00000000
+#define MV64x60_PCI_ACC_CNTL_SWAP_NONE		0x00000040
+#define MV64x60_PCI_ACC_CNTL_SWAP_BYTE_WORD	0x00000080
+#define MV64x60_PCI_ACC_CNTL_SWAP_WORD		0x000000c0
+#define MV64x60_PCI_ACC_CNTL_SWAP_MASK		0x000000c0
+#define MV64x60_PCI_ACC_CNTL_MBURST_32_BYTES	0x00000000
+#define MV64x60_PCI_ACC_CNTL_MBURST_64_BYTES	0x00000100
+#define MV64x60_PCI_ACC_CNTL_MBURST_128_BYTES	0x00000200
+#define MV64x60_PCI_ACC_CNTL_MBURST_MASK	0x00000300
+#define MV64x60_PCI_ACC_CNTL_RDSIZE_32_BYTES	0x00000000
+#define MV64x60_PCI_ACC_CNTL_RDSIZE_64_BYTES	0x00000400
+#define MV64x60_PCI_ACC_CNTL_RDSIZE_128_BYTES	0x00000800
+#define MV64x60_PCI_ACC_CNTL_RDSIZE_256_BYTES	0x00000c00
+#define MV64x60_PCI_ACC_CNTL_RDSIZE_MASK	0x00000c00
+
+struct mv64x60_cpu2pci_win {
+	u32 lo;
+	u32 size;
+	u32 remap_hi;
+	u32 remap_lo;
+};
+
+extern struct mv64x60_cpu2pci_win mv64x60_cpu2pci_io[2];
+extern struct mv64x60_cpu2pci_win mv64x60_cpu2pci_mem[2];
+
+u32 mv64x60_cfg_read(u8 *bridge_base, u8 hose, u8 bus, u8 devfn,
+		u8 offset);
+void mv64x60_cfg_write(u8 *bridge_base, u8 hose, u8 bus, u8 devfn,
+		u8 offset, u32 val);
+
+void mv64x60_config_ctlr_windows(u8 *bridge_base, u8 *bridge_pbase,
+		u8 is_coherent);
+void mv64x60_config_pci_windows(u8 *bridge_base, u8 *bridge_pbase, u8 hose,
+		u8 bus, u32 mem_size, u32 acc_bits);
+void mv64x60_config_cpu2pci_window(u8 *bridge_base, u8 hose, u32 pci_base_hi,
+		u32 pci_base_lo, u32 cpu_base, u32 size,
+		struct mv64x60_cpu2pci_win *offset_tbl);
+u32 mv64x60_get_mem_size(u8 *bridge_base);
+u8 *mv64x60_get_bridge_pbase(void);
+u8 *mv64x60_get_bridge_base(void);
+u8 mv64x60_is_coherent(void);
+
+int mv64x60_i2c_open(void);
+int mv64x60_i2c_read(u32 devaddr, u8 *buf, u32 offset, u32 offset_size,
+		u32 count);
+void mv64x60_i2c_close(void);
+
+#endif /* _PPC_BOOT_MV64x60_H_ */

arch/powerpc/boot/mv64x60_i2c.c

+/*
+ * Bootloader version of the i2c driver for the MV64x60.
+ *
+ * Author: Dale Farnsworth <dfarnsworth@mvista.com>
+ * Maintained by: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2003, 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 "elf.h"
+#include "page.h"
+#include "string.h"
+#include "stdio.h"
+#include "io.h"
+#include "ops.h"
+#include "mv64x60.h"
+
+extern void udelay(long);
+
+/* Register defines */
+#define MV64x60_I2C_REG_SLAVE_ADDR			0x00
+#define MV64x60_I2C_REG_DATA				0x04
+#define MV64x60_I2C_REG_CONTROL				0x08
+#define MV64x60_I2C_REG_STATUS				0x0c
+#define MV64x60_I2C_REG_BAUD				0x0c
+#define MV64x60_I2C_REG_EXT_SLAVE_ADDR			0x10
+#define MV64x60_I2C_REG_SOFT_RESET			0x1c
+
+#define MV64x60_I2C_CONTROL_ACK				0x04
+#define MV64x60_I2C_CONTROL_IFLG			0x08
+#define MV64x60_I2C_CONTROL_STOP			0x10
+#define MV64x60_I2C_CONTROL_START			0x20
+#define MV64x60_I2C_CONTROL_TWSIEN			0x40
+#define MV64x60_I2C_CONTROL_INTEN			0x80
+
+#define MV64x60_I2C_STATUS_BUS_ERR			0x00
+#define MV64x60_I2C_STATUS_MAST_START			0x08
+#define MV64x60_I2C_STATUS_MAST_REPEAT_START		0x10
+#define MV64x60_I2C_STATUS_MAST_WR_ADDR_ACK		0x18
+#define MV64x60_I2C_STATUS_MAST_WR_ADDR_NO_ACK		0x20
+#define MV64x60_I2C_STATUS_MAST_WR_ACK			0x28
+#define MV64x60_I2C_STATUS_MAST_WR_NO_ACK		0x30
+#define MV64x60_I2C_STATUS_MAST_LOST_ARB		0x38
+#define MV64x60_I2C_STATUS_MAST_RD_ADDR_ACK		0x40
+#define MV64x60_I2C_STATUS_MAST_RD_ADDR_NO_ACK		0x48
+#define MV64x60_I2C_STATUS_MAST_RD_DATA_ACK		0x50
+#define MV64x60_I2C_STATUS_MAST_RD_DATA_NO_ACK		0x58
+#define MV64x60_I2C_STATUS_MAST_WR_ADDR_2_ACK		0xd0
+#define MV64x60_I2C_STATUS_MAST_WR_ADDR_2_NO_ACK	0xd8
+#define MV64x60_I2C_STATUS_MAST_RD_ADDR_2_ACK		0xe0
+#define MV64x60_I2C_STATUS_MAST_RD_ADDR_2_NO_ACK	0xe8
+#define MV64x60_I2C_STATUS_NO_STATUS			0xf8
+
+static u8 *ctlr_base;
+
+static int mv64x60_i2c_wait_for_status(int wanted)
+{
+	int i;
+	int status;
+
+	for (i=0; i<1000; i++) {
+		udelay(10);
+		status = in_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_STATUS))
+			& 0xff;
+		if (status == wanted)
+			return status;
+	}
+	return -status;
+}
+
+static int mv64x60_i2c_control(int control, int status)
+{
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_CONTROL), control & 0xff);
+	return mv64x60_i2c_wait_for_status(status);
+}
+
+static int mv64x60_i2c_read_byte(int control, int status)
+{
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_CONTROL), control & 0xff);
+	if (mv64x60_i2c_wait_for_status(status) < 0)
+		return -1;
+	return in_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_DATA)) & 0xff;
+}
+
+static int mv64x60_i2c_write_byte(int data, int control, int status)
+{
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_DATA), data & 0xff);
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_CONTROL), control & 0xff);
+	return mv64x60_i2c_wait_for_status(status);
+}
+
+int mv64x60_i2c_read(u32 devaddr, u8 *buf, u32 offset, u32 offset_size,
+		 u32 count)
+{
+	int i;
+	int data;
+	int control;
+	int status;
+
+	if (ctlr_base == NULL)
+		return -1;
+
+	/* send reset */
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_SOFT_RESET), 0);
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_SLAVE_ADDR), 0);
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_EXT_SLAVE_ADDR), 0);
+	out_le32((u32 *)(ctlr_base + MV64x60_I2C_REG_BAUD), (4 << 3) | 0x4);
+
+	if (mv64x60_i2c_control(MV64x60_I2C_CONTROL_TWSIEN,
+				MV64x60_I2C_STATUS_NO_STATUS) < 0)
+		return -1;
+
+	/* send start */
+	control = MV64x60_I2C_CONTROL_START | MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_START;
+	if (mv64x60_i2c_control(control, status) < 0)
+		return -1;
+
+	/* select device for writing */
+	data = devaddr & ~0x1;
+	control = MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_WR_ADDR_ACK;
+	if (mv64x60_i2c_write_byte(data, control, status) < 0)
+		return -1;
+
+	/* send offset of data */
+	control = MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_WR_ACK;
+	if (offset_size > 1) {
+		if (mv64x60_i2c_write_byte(offset >> 8, control, status) < 0)
+			return -1;
+	}
+	if (mv64x60_i2c_write_byte(offset, control, status) < 0)
+		return -1;
+
+	/* resend start */
+	control = MV64x60_I2C_CONTROL_START | MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_REPEAT_START;
+	if (mv64x60_i2c_control(control, status) < 0)
+		return -1;
+
+	/* select device for reading */
+	data = devaddr | 0x1;
+	control = MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_RD_ADDR_ACK;
+	if (mv64x60_i2c_write_byte(data, control, status) < 0)
+		return -1;
+
+	/* read all but last byte of data */
+	control = MV64x60_I2C_CONTROL_ACK | MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_RD_DATA_ACK;
+
+	for (i=1; i<count; i++) {
+		data = mv64x60_i2c_read_byte(control, status);
+		if (data < 0) {
+			printf("errors on iteration %d\n", i);
+			return -1;
+		}
+		*buf++ = data;
+	}
+
+	/* read last byte of data */
+	control = MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_MAST_RD_DATA_NO_ACK;
+	data = mv64x60_i2c_read_byte(control, status);
+	if (data < 0)
+		return -1;
+	*buf++ = data;
+
+	/* send stop */
+	control = MV64x60_I2C_CONTROL_STOP | MV64x60_I2C_CONTROL_TWSIEN;
+	status = MV64x60_I2C_STATUS_NO_STATUS;
+	if (mv64x60_i2c_control(control, status) < 0)
+		return -1;
+
+	return count;
+}
+
+int mv64x60_i2c_open(void)
+{
+	u32 v;
+	void *devp;
+
+	devp = finddevice("/mv64x60/i2c");
+	if (devp == NULL)
+		goto err_out;
+	if (getprop(devp, "virtual-reg", &v, sizeof(v)) != sizeof(v))
+		goto err_out;
+
+	ctlr_base = (u8 *)v;
+	return 0;
+
+err_out:
+	return -1;
+}
+
+void mv64x60_i2c_close(void)
+{
+	ctlr_base = NULL;
+}

arch/powerpc/boot/ops.h

@@ -79,6 +79,7 @@ void start(void);
 int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device);
 int serial_console_init(void);
 int ns16550_console_init(void *devp, struct serial_console_data *scdp);
+int mpsc_console_init(void *devp, struct serial_console_data *scdp);
 void *simple_alloc_init(char *base, unsigned long heap_size,
 			unsigned long granularity, unsigned long max_allocs);
 extern void flush_cache(void *, unsigned long);

arch/powerpc/boot/serial.c

@@ -125,6 +125,8 @@ int serial_console_init(void)
 
 	if (!strcmp(compat, "ns16550"))
 		rc = ns16550_console_init(devp, &serial_cd);
+	else if (!strcmp(compat, "marvell,mpsc"))
+		rc = mpsc_console_init(devp, &serial_cd);
 
 	/* Add other serial console driver calls here */
 

arch/powerpc/configs/ps3_defconfig

 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.21
-# Mon Apr 30 12:03:35 2007
+# Fri May 11 10:16:27 2007
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -40,6 +40,7 @@ CONFIG_PPC_FPU=y
 # CONFIG_PPC_OF_PLATFORM_PCI is not set
 CONFIG_ALTIVEC=y
 CONFIG_PPC_STD_MMU=y
+# CONFIG_PPC_MM_SLICES is not set
 CONFIG_VIRT_CPU_ACCOUNTING=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
@@ -67,6 +68,7 @@ CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_CPUSETS is not set
 CONFIG_SYSFS_DEPRECATED=y
 # CONFIG_RELAY is not set
@@ -87,12 +89,13 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -213,6 +216,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_ARCH_MEMORY_PROBE=y
+# CONFIG_PPC_HAS_HASH_64K is not set
 # CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y
@@ -229,15 +233,12 @@ CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PCI is not set
 # CONFIG_PCI_DOMAINS is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 
 #
 # PCCARD (PCMCIA/CardBus) support
 #
 # CONFIG_PCCARD is not set
-
-#
-# PCI Hotplug Support
-#
 CONFIG_KERNEL_START=0xc000000000000000
 
 #
@@ -363,7 +364,9 @@ CONFIG_BT_HCIUSB_SCO=y
 #
 # CONFIG_CFG80211 is not set
 CONFIG_WIRELESS_EXT=y
+# CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
 
 #
 # Device Drivers
@@ -414,6 +417,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 #
 # Misc devices
 #
+# CONFIG_BLINK is not set
 
 #
 # ATA/ATAPI/MFM/RLL support
@@ -447,6 +451,7 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
 # CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
 
 #
 # SCSI Transports
@@ -473,25 +478,7 @@ CONFIG_CHR_DEV_SG=m
 # Multi-device support (RAID and LVM)
 #
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Macintosh device drivers
-#
-# CONFIG_MAC_EMUMOUSEBTN is not set
-# CONFIG_WINDFARM is not set
+# CONFIG_MACINTOSH_DRIVERS is not set
 
 #
 # Network device support
@@ -519,6 +506,7 @@ CONFIG_MII=m
 #
 # Ethernet (10000 Mbit)
 #
+CONFIG_MLX4_DEBUG=y
 
 #
 # Token Ring devices
@@ -530,6 +518,25 @@ CONFIG_MII=m
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
 
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+CONFIG_USB_PEGASUS=m
+# CONFIG_USB_RTL8150 is not set
+CONFIG_USB_USBNET_MII=m
+CONFIG_USB_USBNET=m
+# CONFIG_USB_NET_CDCETHER is not set
+# CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_GL620A is not set
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_PLUSB is not set
+CONFIG_USB_NET_MCS7830=m
+# CONFIG_USB_NET_RNDIS_HOST is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+
 #
 # Wan interfaces
 #
@@ -575,6 +582,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
 # CONFIG_INPUT_MISC is not set
 
@@ -609,15 +617,10 @@ CONFIG_LEGACY_PTY_COUNT=16
 # IPMI
 #
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
 # CONFIG_WATCHDOG is not set
 # CONFIG_HW_RANDOM is not set
 CONFIG_GEN_RTC=y
 # CONFIG_GEN_RTC_X is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_HANGCHECK_TIMER is not set
@@ -626,10 +629,6 @@ CONFIG_GEN_RTC=y
 # TPM devices
 #
 # CONFIG_TCG_TPM is not set
-
-#
-# I2C support
-#
 # CONFIG_I2C is not set
 
 #
@@ -642,12 +641,7 @@ CONFIG_GEN_RTC=y
 # Dallas's 1-wire bus
 #
 # CONFIG_W1 is not set
-
-#
-# Hardware Monitoring support
-#
 # CONFIG_HWMON is not set
-# CONFIG_HWMON_VID is not set
 
 #
 # Multifunction device drivers
@@ -669,12 +663,23 @@ CONFIG_GEN_RTC=y
 # Graphics support
 #
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_VGASTATE is not set
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
@@ -702,10 +707,6 @@ CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 # CONFIG_FONTS is not set
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
@@ -767,6 +768,20 @@ CONFIG_SND_VERBOSE_PROCFS=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=m
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+
 #
 # USB support
 #
@@ -826,57 +841,11 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_KARMA is not set
 # CONFIG_USB_LIBUSUAL is not set
 
-#
-# USB Input Devices
-#
-CONFIG_USB_HID=m
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
-# CONFIG_USB_HIDDEV is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-# CONFIG_USB_KBD is not set
-# CONFIG_USB_MOUSE is not set
-# CONFIG_USB_AIPTEK is not set
-# CONFIG_USB_WACOM is not set
-# CONFIG_USB_ACECAD is not set
-# CONFIG_USB_KBTAB is not set
-# CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_TOUCHSCREEN is not set
-# CONFIG_USB_YEALINK is not set
-# CONFIG_USB_XPAD is not set
-# CONFIG_USB_ATI_REMOTE is not set
-# CONFIG_USB_ATI_REMOTE2 is not set
-# CONFIG_USB_KEYSPAN_REMOTE is not set
-# CONFIG_USB_APPLETOUCH is not set
-# CONFIG_USB_GTCO is not set
-
 #
 # USB Imaging devices
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-
-#
-# USB Network Adapters
-#
-# CONFIG_USB_CATC is not set
-# CONFIG_USB_KAWETH is not set
-CONFIG_USB_PEGASUS=m
-# CONFIG_USB_RTL8150 is not set
-CONFIG_USB_USBNET_MII=m
-CONFIG_USB_USBNET=m
-# CONFIG_USB_NET_CDCETHER is not set
-# CONFIG_USB_NET_DM9601 is not set
-# CONFIG_USB_NET_GL620A is not set
-# CONFIG_USB_NET_NET1080 is not set
-# CONFIG_USB_NET_PLUSB is not set
-CONFIG_USB_NET_MCS7830=m
-# CONFIG_USB_NET_RNDIS_HOST is not set
-# CONFIG_USB_NET_CDC_SUBSET is not set
-# CONFIG_USB_NET_ZAURUS is not set
 CONFIG_USB_MON=y
 
 #
@@ -920,10 +889,6 @@ CONFIG_USB_MON=y
 # USB Gadget Support
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
 
 #
@@ -965,14 +930,6 @@ CONFIG_USB_MON=y
 # DMA Devices
 #
 
-#
-# Auxiliary Display support
-#
-
-#
-# Virtualization
-#
-
 #
 # File systems
 #
@@ -1071,6 +1028,7 @@ CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_BIND34 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1148,11 +1106,13 @@ CONFIG_NLS_ISO8859_1=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
 
 #
 # Instrumentation Support
@@ -1171,7 +1131,6 @@ CONFIG_ENABLE_MUST_CHECK=y
 # CONFIG_HEADERS_CHECK is not set
 CONFIG_DEBUG_KERNEL=y
 # CONFIG_DEBUG_SHIRQ is not set
-CONFIG_LOG_BUF_SHIFT=17
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1205,6 +1164,7 @@ CONFIG_PPC_EARLY_DEBUG=y
 # CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
 # CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set
 # CONFIG_PPC_EARLY_DEBUG_BEAT is not set
+# CONFIG_PPC_EARLY_DEBUG_44x is not set
 
 #
 # Security options
@@ -1234,6 +1194,7 @@ CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_CBC=y
 CONFIG_CRYPTO_PCBC=m
 # CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_CRYPTD is not set
 CONFIG_CRYPTO_DES=y
 # CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_BLOWFISH is not set

arch/powerpc/kernel/prom_parse.c

@@ -24,7 +24,7 @@
 /* Max address size we deal with */
 #define OF_MAX_ADDR_CELLS	4
 #define OF_CHECK_COUNTS(na, ns)	((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
-			(ns) > 0)
+			(ns) >= 0)
 
 static struct of_bus *of_match_bus(struct device_node *np);
 static int __of_address_to_resource(struct device_node *dev,

arch/powerpc/kernel/setup-common.c

@@ -530,3 +530,44 @@ void __init setup_panic(void)
 {
 	atomic_notifier_chain_register(&panic_notifier_list, &ppc_panic_block);
 }
+
+#ifdef CONFIG_CHECK_CACHE_COHERENCY
+/*
+ * For platforms that have configurable cache-coherency.  This function
+ * checks that the cache coherency setting of the kernel matches the setting
+ * left by the firmware, as indicated in the device tree.  Since a mismatch
+ * will eventually result in DMA failures, we print * and error and call
+ * BUG() in that case.
+ */
+
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define KERNEL_COHERENCY	0
+#else
+#define KERNEL_COHERENCY	1
+#endif
+
+static int __init check_cache_coherency(void)
+{
+	struct device_node *np;
+	const void *prop;
+	int devtree_coherency;
+
+	np = of_find_node_by_path("/");
+	prop = of_get_property(np, "coherency-off", NULL);
+	of_node_put(np);
+
+	devtree_coherency = prop ? 0 : 1;
+
+	if (devtree_coherency != KERNEL_COHERENCY) {
+		printk(KERN_ERR
+			"kernel coherency:%s != device tree_coherency:%s\n",
+			KERNEL_COHERENCY ? "on" : "off",
+			devtree_coherency ? "on" : "off");
+		BUG();
+	}
+
+	return 0;
+}
+
+late_initcall(check_cache_coherency);
+#endif /* CONFIG_CHECK_CACHE_COHERENCY */

arch/powerpc/kernel/time.c

@@ -711,30 +711,15 @@ void wakeup_decrementer(void)
 void __init smp_space_timers(unsigned int max_cpus)
 {
 	int i;
-	unsigned long half = tb_ticks_per_jiffy / 2;
-	unsigned long offset = tb_ticks_per_jiffy / max_cpus;
 	u64 previous_tb = per_cpu(last_jiffy, boot_cpuid);
 
 	/* make sure tb > per_cpu(last_jiffy, cpu) for all cpus always */
 	previous_tb -= tb_ticks_per_jiffy;
-	/*
-	 * The stolen time calculation for POWER5 shared-processor LPAR
-	 * systems works better if the two threads' timebase interrupts
-	 * are staggered by half a jiffy with respect to each other.
-	 */
+
 	for_each_possible_cpu(i) {
 		if (i == boot_cpuid)
 			continue;
-		if (i == (boot_cpuid ^ 1))
-			per_cpu(last_jiffy, i) =
-				per_cpu(last_jiffy, boot_cpuid) - half;
-		else if (i & 1)
-			per_cpu(last_jiffy, i) =
-				per_cpu(last_jiffy, i ^ 1) + half;
-		else {
-			previous_tb += offset;
-			per_cpu(last_jiffy, i) = previous_tb;
-		}
+		per_cpu(last_jiffy, i) = previous_tb;
 	}
 }
 #endif

arch/powerpc/mm/hash_native_64.c

@@ -351,7 +351,7 @@ static void hpte_decode(hpte_t *hpte, unsigned long slot,
 	unsigned long hpte_r = hpte->r;
 	unsigned long hpte_v = hpte->v;
 	unsigned long avpn;
-	int i, size, shift, penc, avpnm_bits;
+	int i, size, shift, penc;
 
 	if (!(hpte_v & HPTE_V_LARGE))
 		size = MMU_PAGE_4K;
@@ -395,7 +395,7 @@ static void hpte_decode(hpte_t *hpte, unsigned long slot,
 			vpi = (vsid ^ (vsid << 25) ^ pteg) & htab_hash_mask;
 			break;
 		default:
-			avpn = vpi = psize = 0;
+			avpn = vpi = size = 0;
 		}
 		avpn |= (vpi << mmu_psize_defs[size].shift);
 	}

arch/powerpc/platforms/embedded6xx/Kconfig

@@ -31,6 +31,14 @@ config PPC_HOLLY
 	help
 	  Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval
 	  Board with TSI108/9 bridge (Hickory/Holly)
+
+config PPC_PRPMC2800
+	bool "Motorola-PrPMC2800"
+	select MV64X60
+	select NOT_COHERENT_CACHE
+	select WANT_DEVICE_TREE
+	help
+	  This option enables support for the Motorola PrPMC2800 board
 endchoice
 
 config TSI108_BRIDGE
@@ -46,6 +54,11 @@ config MPC10X_BRIDGE
 	select PPC_INDIRECT_PCI
 	default y
 
+config MV64X60
+	bool
+	select PPC_INDIRECT_PCI
+	select CONFIG_CHECK_CACHE_COHERENCY
+
 config MPC10X_OPENPIC
 	bool
 	depends on LINKSTATION

arch/powerpc/platforms/embedded6xx/Makefile

@@ -4,3 +4,4 @@
 obj-$(CONFIG_MPC7448HPC2)	+= mpc7448_hpc2.o
 obj-$(CONFIG_LINKSTATION)	+= linkstation.o ls_uart.o
 obj-$(CONFIG_PPC_HOLLY)		+= holly.o
+obj-$(CONFIG_PPC_PRPMC2800)	+= prpmc2800.o

arch/powerpc/platforms/embedded6xx/prpmc2800.c

+/*
+ * Board setup routines for the Motorola PrPMC2800
+ *
+ * Author: Dale Farnsworth <dale@farnsworth.org>
+ *
+ * 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 <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/seq_file.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/kexec.h>
+
+#include <mm/mmu_decl.h>
+
+#include <sysdev/mv64x60.h>
+
+#define MV64x60_MPP_CNTL_0	0x0000
+#define MV64x60_MPP_CNTL_2	0x0008
+
+#define MV64x60_GPP_IO_CNTL	0x0000
+#define MV64x60_GPP_LEVEL_CNTL	0x0010
+#define MV64x60_GPP_VALUE_SET	0x0018
+
+#define PLATFORM_NAME_MAX	32
+
+static char prpmc2800_platform_name[PLATFORM_NAME_MAX];
+
+static void __iomem *mv64x60_mpp_reg_base;
+static void __iomem *mv64x60_gpp_reg_base;
+
+static void __init prpmc2800_setup_arch(void)
+{
+	struct device_node *np;
+	phys_addr_t paddr;
+	const unsigned int *reg;
+	const unsigned int *prop;
+
+	/*
+	 * ioremap mpp and gpp registers in case they are later
+	 * needed by prpmc2800_reset_board().
+	 */
+	np = of_find_compatible_node(NULL, NULL, "marvell,mv64x60-mpp");
+	reg = of_get_property(np, "reg", NULL);
+	paddr = of_translate_address(np, reg);
+	of_node_put(np);
+	mv64x60_mpp_reg_base = ioremap(paddr, reg[1]);
+
+	np = of_find_compatible_node(NULL, NULL, "marvell,mv64x60-gpp");
+	reg = of_get_property(np, "reg", NULL);
+	paddr = of_translate_address(np, reg);
+	of_node_put(np);
+	mv64x60_gpp_reg_base = ioremap(paddr, reg[1]);
+
+	np = of_find_node_by_type(NULL, "cpu");
+	prop = of_get_property(np, "clock-frequency", NULL);
+	if (prop)
+		loops_per_jiffy = *prop / HZ;
+	of_node_put(np);
+
+#ifdef CONFIG_PCI
+	mv64x60_pci_init();
+#endif
+
+	printk("Motorola %s\n", prpmc2800_platform_name);
+}
+
+static void prpmc2800_reset_board(void)
+{
+	u32 temp;
+
+	local_irq_disable();
+
+	temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0);
+	temp &= 0xFFFF0FFF;
+	out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL);
+	temp |= 0x00000004;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL);
+	temp |= 0x00000004;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp);
+
+	temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2);
+	temp &= 0xFFFF0FFF;
+	out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL);
+	temp |= 0x00080000;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp);
+
+	temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL);
+	temp |= 0x00080000;
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp);
+
+	out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_VALUE_SET, 0x00080004);
+}
+
+static void prpmc2800_restart(char *cmd)
+{
+	volatile ulong i = 10000000;
+
+	prpmc2800_reset_board();
+
+	while (i-- > 0);
+	panic("restart failed\n");
+}
+
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define PPRPM2800_COHERENCY_SETTING "off"
+#else
+#define PPRPM2800_COHERENCY_SETTING "on"
+#endif
+
+void prpmc2800_show_cpuinfo(struct seq_file *m)
+{
+	uint memsize = total_memory;
+
+	seq_printf(m, "Vendor\t\t: Motorola\n");
+	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
+	seq_printf(m, "coherency\t: %s\n", PPRPM2800_COHERENCY_SETTING);
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init prpmc2800_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+	unsigned long len = PLATFORM_NAME_MAX;
+	void *m;
+
+	if (!of_flat_dt_is_compatible(root, "motorola,PrPMC2800"))
+		return 0;
+
+	/* Update ppc_md.name with name from dt */
+	m = of_get_flat_dt_prop(root, "model", &len);
+	if (m)
+		strncpy(prpmc2800_platform_name, m,
+			min((int)len, PLATFORM_NAME_MAX - 1));
+
+	return 1;
+}
+
+define_machine(prpmc2800){
+	.name			= prpmc2800_platform_name,
+	.probe			= prpmc2800_probe,
+	.setup_arch		= prpmc2800_setup_arch,
+	.show_cpuinfo		= prpmc2800_show_cpuinfo,
+	.init_IRQ		= mv64x60_init_irq,
+	.get_irq		= mv64x60_get_irq,
+	.restart		= prpmc2800_restart,
+	.calibrate_decr		= generic_calibrate_decr,
+#ifdef CONFIG_KEXEC
+	.machine_kexec		= default_machine_kexec,
+	.machine_kexec_prepare	= default_machine_kexec_prepare,
+	.machine_crash_shutdown	= default_machine_crash_shutdown,
+#endif
+};

arch/powerpc/platforms/pasemi/idle.c

@@ -22,6 +22,7 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/irq.h>
 
 #include <asm/machdep.h>
 #include <asm/reg.h>

arch/powerpc/platforms/ps3/setup.c

@@ -99,6 +99,7 @@ static void ps3_panic(char *str)
 	while(1);
 }
 
+#ifdef CONFIG_FB_PS3
 static void prealloc(struct ps3_prealloc *p)
 {
 	if (!p->size)
@@ -115,7 +116,6 @@ static void prealloc(struct ps3_prealloc *p)
 	       p->address);
 }
 
-#ifdef CONFIG_FB_PS3
 struct ps3_prealloc ps3fb_videomemory = {
     .name = "ps3fb videomemory",
     .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024,

arch/powerpc/platforms/ps3/smp.c

@@ -118,9 +118,11 @@ static void __init ps3_smp_setup_cpu(int cpu)
 		DBG("%s:%d: (%d, %d) => virq %u\n",
 			__func__, __LINE__, cpu, i, virqs[i]);
 
+		result = request_irq(virqs[i], ipi_function_handler,
+			IRQF_DISABLED, names[i], (void*)(long)i);
 
-		request_irq(virqs[i], ipi_function_handler, IRQF_DISABLED,
-			names[i], (void*)(long)i);
+		if (result)
+			virqs[i] = NO_IRQ;
 	}
 
 	ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);

arch/powerpc/platforms/ps3/system-bus.c

@@ -274,13 +274,13 @@ static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr,
 static int ps3_map_sg(struct device *_dev, struct scatterlist *sg, int nents,
 	enum dma_data_direction direction)
 {
-	struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev);
-	int i;
-
 #if defined(CONFIG_PS3_DYNAMIC_DMA)
 	BUG_ON("do");
 	return -EPERM;
 #else
+	struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev);
+	int i;
+
 	for (i = 0; i < nents; i++, sg++) {
 		int result = ps3_dma_map(dev->d_region,
 			page_to_phys(sg->page) + sg->offset, sg->length,

arch/powerpc/sysdev/Makefile

@@ -16,6 +16,8 @@ obj-$(CONFIG_FSL_SOC)		+= fsl_soc.o
 obj-$(CONFIG_FSL_PCIE)		+= fsl_pcie.o
 obj-$(CONFIG_TSI108_BRIDGE)	+= tsi108_pci.o tsi108_dev.o
 obj-$(CONFIG_QUICC_ENGINE)	+= qe_lib/
+mv64x60-$(CONFIG_PCI)		+= mv64x60_pci.o
+obj-$(CONFIG_MV64X60)		+= $(mv64x60-y) mv64x60_pic.o mv64x60_dev.o
 
 # contains only the suspend handler for time
 obj-$(CONFIG_PM)		+= timer.o

arch/powerpc/sysdev/mv64x60.h

+#ifndef __MV64X60_H__
+#define __MV64X60_H__
+
+#include <linux/init.h>
+
+extern void __init mv64x60_init_irq(void);
+extern unsigned int mv64x60_get_irq(void);
+
+extern void __init mv64x60_pci_init(void);
+
+#endif /* __MV64X60_H__ */

arch/powerpc/sysdev/mv64x60_dev.c

+/*
+ * Platform device setup for Marvell mv64360/mv64460 host bridges (Discovery)
+ *
+ * Author: Dale Farnsworth <dale@farnsworth.org>
+ *
+ * 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 <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mv643xx.h>
+#include <linux/platform_device.h>
+
+#include <asm/prom.h>
+
+/*
+ * These functions provide the necessary setup for the mv64x60 drivers.
+ * These drivers are unusual in that they work on both the MIPS and PowerPC
+ * architectures.  Because of that, the drivers do not support the normal
+ * PowerPC of_platform_bus_type.  They support platform_bus_type instead.
+ */
+
+/*
+ * Create MPSC platform devices
+ */
+static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np)
+{
+	struct platform_device *pdev;
+	struct resource r[2];
+	struct mpsc_shared_pdata pdata;
+	const phandle *ph;
+	struct device_node *mpscrouting, *mpscintr;
+	int err;
+
+	ph = of_get_property(np, "mpscrouting", NULL);
+	mpscrouting = of_find_node_by_phandle(*ph);
+	if (!mpscrouting)
+		return -ENODEV;
+
+	err = of_address_to_resource(mpscrouting, 0, &r[0]);
+	of_node_put(mpscrouting);
+	if (err)
+		return err;
+
+	ph = of_get_property(np, "mpscintr", NULL);
+	mpscintr = of_find_node_by_phandle(*ph);
+	if (!mpscintr)
+		return -ENODEV;
+
+	err = of_address_to_resource(mpscintr, 0, &r[1]);
+	of_node_put(mpscintr);
+	if (err)
+		return err;
+
+	memset(&pdata, 0, sizeof(pdata));
+
+	pdev = platform_device_alloc(MPSC_SHARED_NAME, 0);
+	if (!pdev)
+		return -ENOMEM;
+
+	err = platform_device_add_resources(pdev, r, 2);
+	if (err)
+		goto error;
+
+	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+	if (err)
+		goto error;
+
+	err = platform_device_add(pdev);
+	if (err)
+		goto error;
+
+	return 0;
+
+error:
+	platform_device_put(pdev);
+	return err;
+}
+
+
+static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id)
+{
+	struct resource r[5];
+	struct mpsc_pdata pdata;
+	struct platform_device *pdev;
+	const unsigned int *prop;
+	const phandle *ph;
+	struct device_node *sdma, *brg;
+	int err;
+	int port_number;
+
+	/* only register the shared platform device the first time through */
+	if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np)))
+		return err;
+
+	memset(r, 0, sizeof(r));
+
+	err = of_address_to_resource(np, 0, &r[0]);
+	if (err)
+		return err;
+
+	of_irq_to_resource(np, 0, &r[4]);
+
+	ph = of_get_property(np, "sdma", NULL);
+	sdma = of_find_node_by_phandle(*ph);
+	if (!sdma)
+		return -ENODEV;
+
+	of_irq_to_resource(sdma, 0, &r[3]);
+	err = of_address_to_resource(sdma, 0, &r[1]);
+	of_node_put(sdma);
+	if (err)
+		return err;
+
+	ph = of_get_property(np, "brg", NULL);
+	brg = of_find_node_by_phandle(*ph);
+	if (!brg)
+		return -ENODEV;
+
+	err = of_address_to_resource(brg, 0, &r[2]);
+	of_node_put(brg);
+	if (err)
+		return err;
+
+	prop = of_get_property(np, "block-index", NULL);
+	if (!prop)
+		return -ENODEV;
+	port_number = *(int *)prop;
+
+	memset(&pdata, 0, sizeof(pdata));
+
+	pdata.cache_mgmt = 1; /* All current revs need this set */
+
+	prop = of_get_property(np, "max_idle", NULL);
+	if (prop)
+		pdata.max_idle = *prop;
+
+	prop = of_get_property(brg, "current-speed", NULL);
+	if (prop)
+		pdata.default_baud = *prop;
+
+	/* Default is 8 bits, no parity, no flow control */
+	pdata.default_bits = 8;
+	pdata.default_parity = 'n';
+	pdata.default_flow = 'n';
+
+	prop = of_get_property(np, "chr_1", NULL);
+	if (prop)
+		pdata.chr_1_val = *prop;
+
+	prop = of_get_property(np, "chr_2", NULL);
+	if (prop)
+		pdata.chr_2_val = *prop;
+
+	prop = of_get_property(np, "chr_10", NULL);
+	if (prop)
+		pdata.chr_10_val = *prop;
+
+	prop = of_get_property(np, "mpcr", NULL);
+	if (prop)
+		pdata.mpcr_val = *prop;
+
+	prop = of_get_property(brg, "bcr", NULL);
+	if (prop)
+		pdata.bcr_val = *prop;
+
+	pdata.brg_can_tune = 1; /* All current revs need this set */
+
+	prop = of_get_property(brg, "clock-src", NULL);
+	if (prop)
+		pdata.brg_clk_src = *prop;
+
+	prop = of_get_property(brg, "clock-frequency", NULL);
+	if (prop)
+		pdata.brg_clk_freq = *prop;
+
+	pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number);
+	if (!pdev)
+		return -ENOMEM;
+
+	err = platform_device_add_resources(pdev, r, 5);
+	if (err)
+		goto error;
+
+	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+	if (err)
+		goto error;
+
+	err = platform_device_add(pdev);
+	if (err)
+		goto error;
+
+	return 0;
+
+error:
+	platform_device_put(pdev);
+	return err;
+}
+
+/*
+ * Create mv64x60_eth platform devices
+ */
+static int __init eth_register_shared_pdev(struct device_node *np)
+{
+	struct platform_device *pdev;
+	struct resource r[1];
+	int err;
+
+	np = of_get_parent(np);
+	if (!np)
+		return -ENODEV;
+
+	err = of_address_to_resource(np, 0, &r[0]);
+	of_node_put(np);
+	if (err)
+		return err;
+
+	pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, 0,
+					       r, 1);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
+	return 0;
+}
+
+static int __init mv64x60_eth_device_setup(struct device_node *np, int id)
+{
+	struct resource r[1];
+	struct mv643xx_eth_platform_data pdata;
+	struct platform_device *pdev;
+	struct device_node *phy;
+	const u8 *mac_addr;
+	const int *prop;
+	const phandle *ph;
+	int err;
+
+	/* only register the shared platform device the first time through */
+	if (id == 0 && (err = eth_register_shared_pdev(np)))
+		return err;;
+
+	memset(r, 0, sizeof(r));
+	of_irq_to_resource(np, 0, &r[0]);
+
+	memset(&pdata, 0, sizeof(pdata));
+
+	prop = of_get_property(np, "block-index", NULL);
+	if (!prop)
+		return -ENODEV;
+	pdata.port_number = *prop;
+
+	mac_addr = of_get_mac_address(np);
+	if (mac_addr)
+		memcpy(pdata.mac_addr, mac_addr, 6);
+
+	prop = of_get_property(np, "speed", NULL);
+	if (prop)
+		pdata.speed = *prop;
+
+	prop = of_get_property(np, "tx_queue_size", NULL);
+	if (prop)
+		pdata.tx_queue_size = *prop;
+
+	prop = of_get_property(np, "rx_queue_size", NULL);
+	if (prop)
+		pdata.rx_queue_size = *prop;
+
+	prop = of_get_property(np, "tx_sram_addr", NULL);
+	if (prop)
+		pdata.tx_sram_addr = *prop;
+
+	prop = of_get_property(np, "tx_sram_size", NULL);
+	if (prop)
+		pdata.tx_sram_size = *prop;
+
+	prop = of_get_property(np, "rx_sram_addr", NULL);
+	if (prop)
+		pdata.rx_sram_addr = *prop;
+
+	prop = of_get_property(np, "rx_sram_size", NULL);
+	if (prop)
+		pdata.rx_sram_size = *prop;
+
+	ph = of_get_property(np, "phy", NULL);
+	if (!ph)
+		return -ENODEV;
+
+	phy = of_find_node_by_phandle(*ph);
+	if (phy == NULL)
+		return -ENODEV;
+
+	prop = of_get_property(phy, "reg", NULL);
+	if (prop) {
+		pdata.force_phy_addr = 1;
+		pdata.phy_addr = *prop;
+	}
+
+	of_node_put(phy);
+
+	pdev = platform_device_alloc(MV643XX_ETH_NAME, pdata.port_number);
+	if (!pdev)
+		return -ENOMEM;
+
+	err = platform_device_add_resources(pdev, r, 1);
+	if (err)
+		goto error;
+
+	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+	if (err)
+		goto error;
+
+	err = platform_device_add(pdev);
+	if (err)
+		goto error;
+
+	return 0;
+
+error:
+	platform_device_put(pdev);
+	return err;
+}
+
+/*
+ * Create mv64x60_i2c platform devices
+ */
+static int __init mv64x60_i2c_device_setup(struct device_node *np, int id)
+{
+	struct resource r[2];
+	struct platform_device *pdev;
+	struct mv64xxx_i2c_pdata pdata;
+	const unsigned int *prop;
+	int err;
+
+	memset(r, 0, sizeof(r));
+
+	err = of_address_to_resource(np, 0, &r[0]);
+	if (err)
+		return err;
+
+	of_irq_to_resource(np, 0, &r[1]);
+
+	memset(&pdata, 0, sizeof(pdata));
+
+	prop = of_get_property(np, "freq_m", NULL);
+	if (!prop)
+		return -ENODEV;
+	pdata.freq_m = *prop;
+
+	prop = of_get_property(np, "freq_n", NULL);
+	if (!prop)
+		return -ENODEV;
+	pdata.freq_n = *prop;
+
+	prop = of_get_property(np, "timeout", NULL);
+	if (prop)
+		pdata.timeout = *prop;
+	else
+		pdata.timeout = 1000;	/* 1 second */
+
+	prop = of_get_property(np, "retries", NULL);
+	if (prop)
+		pdata.retries = *prop;
+	else
+		pdata.retries = 1;
+
+	pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id);
+	if (!pdev)
+		return -ENOMEM;
+
+	err = platform_device_add_resources(pdev, r, 2);
+	if (err)
+		goto error;
+
+	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+	if (err)
+		goto error;
+
+	err = platform_device_add(pdev);
+	if (err)
+		goto error;
+
+	return 0;
+
+error:
+	platform_device_put(pdev);
+	return err;
+}
+
+static int __init mv64x60_device_setup(void)
+{
+	struct device_node *np = NULL;
+	int id;
+	int err;
+
+	for (id = 0;
+	     (np = of_find_compatible_node(np, "serial", "marvell,mpsc")); id++)
+		if ((err = mv64x60_mpsc_device_setup(np, id)))
+			goto error;
+
+	for (id = 0;
+	     (np = of_find_compatible_node(np, "network",
+					   "marvell,mv64x60-eth"));
+	     id++)
+		if ((err = mv64x60_eth_device_setup(np, id)))
+			goto error;
+
+	for (id = 0;
+	     (np = of_find_compatible_node(np, "i2c", "marvell,mv64x60-i2c"));
+	     id++)
+		if ((err = mv64x60_i2c_device_setup(np, id)))
+			goto error;
+
+	return 0;
+
+error:
+	of_node_put(np);
+	return err;
+}
+arch_initcall(mv64x60_device_setup);

arch/powerpc/sysdev/mv64x60_pci.c

+/*
+ * PCI bus setup for Marvell mv64360/mv64460 host bridges (Discovery)
+ *
+ * Author: Dale Farnsworth <dale@farnsworth.org>
+ *
+ * 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 <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+
+#define PCI_HEADER_TYPE_INVALID		0x7f	/* Invalid PCI header type */
+
+#ifdef CONFIG_SYSFS
+/* 32-bit hex or dec stringified number + '\n' */
+#define MV64X60_VAL_LEN_MAX		11
+#define MV64X60_PCICFG_CPCI_HOTSWAP	0x68
+
+static ssize_t mv64x60_hs_reg_read(struct kobject *kobj, char *buf, loff_t off,
+				   size_t count)
+{
+	struct pci_dev *phb;
+	u32 v;
+
+	if (off > 0)
+		return 0;
+	if (count < MV64X60_VAL_LEN_MAX)
+		return -EINVAL;
+
+	phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	if (!phb)
+		return -ENODEV;
+	pci_read_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, &v);
+	pci_dev_put(phb);
+
+	return sprintf(buf, "0x%08x\n", v);
+}
+
+static ssize_t mv64x60_hs_reg_write(struct kobject *kobj, char *buf, loff_t off,
+				    size_t count)
+{
+	struct pci_dev *phb;
+	u32 v;
+
+	if (off > 0)
+		return 0;
+	if (count <= 0)
+		return -EINVAL;
+
+	if (sscanf(buf, "%i", &v) != 1)
+		return -EINVAL;
+
+	phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	if (!phb)
+		return -ENODEV;
+	pci_write_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, v);
+	pci_dev_put(phb);
+
+	return count;
+}
+
+static struct bin_attribute mv64x60_hs_reg_attr = { /* Hotswap register */
+	.attr = {
+		.name = "hs_reg",
+		.mode = S_IRUGO | S_IWUSR,
+		.owner = THIS_MODULE,
+	},
+	.size  = MV64X60_VAL_LEN_MAX,
+	.read  = mv64x60_hs_reg_read,
+	.write = mv64x60_hs_reg_write,
+};
+
+static int __init mv64x60_sysfs_init(void)
+{
+	struct device_node *np;
+	struct platform_device *pdev;
+	const unsigned int *prop;
+
+	np = of_find_compatible_node(NULL, NULL, "marvell,mv64x60");
+	if (!np)
+		return 0;
+
+	prop = of_get_property(np, "hs_reg_valid", NULL);
+	of_node_put(np);
+
+	pdev = platform_device_register_simple("marvell,mv64x60", 0, NULL, 0);
+	if (IS_ERR(pdev))
+		return PTR_ERR(pdev);
+
+	return sysfs_create_bin_file(&pdev->dev.kobj, &mv64x60_hs_reg_attr);
+}
+
+subsys_initcall(mv64x60_sysfs_init);
+
+#endif /* CONFIG_SYSFS */
+
+static void __init mv64x60_pci_fixup_early(struct pci_dev *dev)
+{
+	/*
+	 * Set the host bridge hdr_type to an invalid value so that
+	 * pci_setup_device() will ignore the host bridge.
+	 */
+	dev->hdr_type = PCI_HEADER_TYPE_INVALID;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64360,
+			mv64x60_pci_fixup_early);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64460,
+			mv64x60_pci_fixup_early);
+
+static int __init mv64x60_add_bridge(struct device_node *dev)
+{
+	int len;
+	struct pci_controller *hose;
+	struct resource rsrc;
+	const int *bus_range;
+	int primary;
+
+	memset(&rsrc, 0, sizeof(rsrc));
+
+	/* Fetch host bridge registers address */
+	if (of_address_to_resource(dev, 0, &rsrc)) {
+		printk(KERN_ERR "No PCI reg property in device tree\n");
+		return -ENODEV;
+	}
+
+	/* Get bus range if any */
+	bus_range = of_get_property(dev, "bus-range", &len);
+	if (bus_range == NULL || len < 2 * sizeof(int))
+		printk(KERN_WARNING "Can't get bus-range for %s, assume"
+		       " bus 0\n", dev->full_name);
+
+	hose = pcibios_alloc_controller();
+	if (!hose)
+		return -ENOMEM;
+
+	hose->arch_data = dev;
+	hose->set_cfg_type = 1;
+
+	hose->first_busno = bus_range ? bus_range[0] : 0;
+	hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+	setup_indirect_pci(hose, rsrc.start, rsrc.start + 4);
+	hose->bus_offset = hose->first_busno;
+
+	printk(KERN_INFO "Found MV64x60 PCI host bridge at 0x%016llx. "
+	       "Firmware bus number: %d->%d\n",
+	       (unsigned long long)rsrc.start, hose->first_busno,
+	       hose->last_busno);
+
+	/* Interpret the "ranges" property */
+	/* This also maps the I/O region and sets isa_io/mem_base */
+	primary = (hose->first_busno == 0);
+	pci_process_bridge_OF_ranges(hose, dev, primary);
+
+	return 0;
+}
+
+void __init mv64x60_pci_init(void)
+{
+	struct device_node *np = NULL;
+
+	while ((np = of_find_compatible_node(np, "pci", "marvell,mv64x60-pci")))
+		mv64x60_add_bridge(np);
+}

arch/ppc/4xx_io/serial_sicc.c

@@ -3,7 +3,7 @@
  *
  *  Based on drivers/char/serial_amba.c, by ARM Ltd.
  *
- *  Copyright 2001 IBM Crop.
+ *  Copyright 2001 IBM Corp.
  *  Author: IBM China Research Lab
  *            Yudong Yang <yangyud@cn.ibm.com>
  *            Yi Ge       <geyi@cn.ibm.com>
@@ -155,16 +155,16 @@
 
 /* serial port transmit command register */
 
-#define _TxCR_ET_MASK   0x80           /* transmiter enable mask */
+#define _TxCR_ET_MASK   0x80           /* transmitter enable mask */
 #define _TxCR_DME_MASK  0x60           /* dma mode mask */
 #define _TxCR_TIE_MASK  0x10           /* empty interrupt enable mask */
 #define _TxCR_EIE_MASK  0x08           /* error interrupt enable mask */
 #define _TxCR_SPE_MASK  0x04           /* stop/pause mask */
 #define _TxCR_TB_MASK   0x02           /* transmit break mask */
 
-#define _TxCR_ET_ENABLE _TxCR_ET_MASK  /* transmiter enabled */
-#define _TxCR_DME_DISABLE 0x00         /* transmiter disabled, TBR intr disabled */
-#define _TxCR_DME_TBR   0x20           /* transmiter disabled, TBR intr enabled */
+#define _TxCR_ET_ENABLE _TxCR_ET_MASK  /* transmitter enabled */
+#define _TxCR_DME_DISABLE 0x00         /* transmitter disabled, TBR intr disabled */
+#define _TxCR_DME_TBR   0x20           /* transmitter disabled, TBR intr enabled */
 #define _TxCR_DME_CHAN_2 0x40          /* dma enabled, destination chann 2 */
 #define _TxCR_DME_CHAN_3 0x60          /* dma enabled, destination chann 3 */
 

arch/ppc/8xx_io/commproc.c

@@ -144,7 +144,7 @@ m8xx_cpm_reset(void)
 
 	/* Set SDMA Bus Request priority 5.
 	 * On 860T, this also enables FEC priority 6.  I am not sure
-	 * this is what we realy want for some applications, but the
+	 * this is what we really want for some applications, but the
 	 * manual recommends it.
 	 * Bit 25, FAM can also be set to use FEC aggressive mode (860T).
 	 */

arch/ppc/8xx_io/fec.c

@@ -1878,7 +1878,7 @@ fec_restart(struct net_device *dev, int duplex)
 	bdp--;
 	bdp->cbd_sc |= BD_SC_WRAP;
 
-	/* ...and the same for transmmit.
+	/* ...and the same for transmit.
 	*/
 	bdp = fep->tx_bd_base;
 	for (i=0; i<TX_RING_SIZE; i++) {

arch/ppc/boot/lib/vreset.c

@@ -518,7 +518,7 @@ setTextRegs(struct VgaRegs *svp)
 	outb(0x3c6, 0xff);  /* MASK */
 
 	for ( i = 0; i < 0x10; i++)
-		writeAttr(i, AC[i], 0);  /* pallete */
+		writeAttr(i, AC[i], 0);  /* palette */
 	writeAttr(0x10, 0x0c, 0);    /* text mode */
 	writeAttr(0x11, 0x00, 0);    /* overscan color (border) */
 	writeAttr(0x12, 0x0f, 0);    /* plane enable */

arch/ppc/boot/simple/m8xx_tty.c

 /* Minimal serial functions needed to send messages out the serial
  * port on the MBX console.
  *
- * The MBX uxes SMC1 for the serial port.  We reset the port and use
+ * The MBX uses SMC1 for the serial port.  We reset the port and use
  * only the first BD that EPPC-Bug set up as a character FIFO.
  *
  * Later versions (at least 1.4, maybe earlier) of the MBX EPPC-Bug

arch/ppc/boot/simple/misc-embedded.c

@@ -136,7 +136,7 @@ load_kernel(unsigned long load_addr, int num_words, unsigned long cksum, bd_t *b
 
 	/*
 	 * We link ourself to an arbitrary low address.  When we run, we
-	 * relocate outself to that address.  __image_being points to
+	 * relocate ourself to that address.  __image_being points to
 	 * the part of the image where the zImage is. -- Tom
 	 */
 	zimage_start = (char *)(unsigned long)(&__image_begin);

arch/ppc/boot/simple/mpc52xx_tty.c

@@ -33,7 +33,7 @@ static struct mpc52xx_psc __iomem *psc =
  * rtc.  We read the decrementer change during one rtc tick
  * and multiply by 4 to get the system bus clock frequency. Since a
  * rtc tick is one seconds, and that's pretty long, we change the rtc
- * dividers temporarly to set them 64x faster ;)
+ * dividers temporarily to set them 64x faster ;)
  */
 static int
 mpc52xx_ipbfreq(void)

arch/ppc/boot/simple/mv64x60_tty.c

@@ -338,7 +338,7 @@ serial_tstc(unsigned long com_port)
 
 	rdp = &rd[com_port][cur_rd[com_port]];
 
-	/* Go thru rcv desc's until empty looking for one with data (no error)*/
+	/* Go through rcv descs until empty looking for one with data (no error)*/
 	while (((rdp->cmd_stat & SDMA_DESC_CMDSTAT_O) == 0) &&
 		(loop_count++ < RX_NUM_DESC)) {
 

arch/ppc/boot/simple/rw4/stb.h

@@ -88,7 +88,7 @@
 /*----------------------------------------------------------------------------+
 | STB tasks, task stack sizes, and task priorities.  The actual task priority
 | is 1 more than the specified number since priority 0 is reserved (system
-| internaly adds 1 to supplied priority number).
+| internally adds 1 to supplied priority number).
 +----------------------------------------------------------------------------*/
 #define STB_IDLE_TASK_SS        (5* 1024)
 #define STB_IDLE_TASK_PRIO      0

arch/ppc/kernel/traps.c

@@ -577,7 +577,7 @@ void program_check_exception(struct pt_regs *regs)
 	 * ESR_DST (!?) or 0.  In the process of chasing this with the
 	 * hardware people - not sure if it can happen on any illegal
 	 * instruction or only on FP instructions, whether there is a
-	 * pattern to occurences etc. -dgibson 31/Mar/2003 */
+	 * pattern to occurrences etc. -dgibson 31/Mar/2003 */
 	if (!(reason & REASON_TRAP) && do_mathemu(regs) == 0) {
 		emulate_single_step(regs);
 		return;
@@ -860,7 +860,7 @@ void SPEFloatingPointException(struct pt_regs *regs)
 	spefscr = current->thread.spefscr;
 	fpexc_mode = current->thread.fpexc_mode;
 
-	/* Hardware does not neccessarily set sticky
+	/* Hardware does not necessarily set sticky
 	 * underflow/overflow/invalid flags */
 	if ((spefscr & SPEFSCR_FOVF) && (fpexc_mode & PR_FP_EXC_OVF)) {
 		code = FPE_FLTOVF;

arch/ppc/mm/init.c

@@ -48,7 +48,7 @@
 #include "mmu_decl.h"
 
 #if defined(CONFIG_KERNEL_START_BOOL) || defined(CONFIG_LOWMEM_SIZE_BOOL)
-/* The ammount of lowmem must be within 0xF0000000 - KERNELBASE. */
+/* The amount of lowmem must be within 0xF0000000 - KERNELBASE. */
 #if (CONFIG_LOWMEM_SIZE > (0xF0000000 - KERNELBASE))
 #error "You must adjust CONFIG_LOWMEM_SIZE or CONFIG_START_KERNEL"
 #endif

arch/ppc/platforms/4xx/bubinga.c

@@ -197,7 +197,7 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
 		    hose->first_busno, PCI_SLOT(hose->first_busno),
 		    PCI_FUNC(hose->first_busno), bar, bar_response);
 	}
-	/* end work arround */
+	/* end workaround */
 
 #ifdef DEBUG
 	printk("PCI bridge regs after fixup \n");

arch/ppc/platforms/4xx/ep405.c

@@ -130,7 +130,7 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
 		    hose->first_busno, PCI_SLOT(hose->first_busno),
 		    PCI_FUNC(hose->first_busno), bar, bar_response);
 	}
-	/* end work arround */
+	/* end workaround */
 #endif
 }
 

arch/ppc/platforms/4xx/ibmnp405h.h

@@ -80,7 +80,7 @@
 #define DCRN_CPMFR_BASE	0x0B9
 #define DCRN_CPMER_BASE	0x0B8
 
-/* CPM Clocking & Power Mangement defines */
+/* CPM Clocking & Power Management defines */
 #define IBM_CPM_PCI		0x40000000	/* PCI */
 #define IBM_CPM_EMAC2	0x20000000	/* EMAC 2 MII */
 #define IBM_CPM_EMAC3	0x04000000	/* EMAC 3 MII */

arch/ppc/platforms/4xx/sycamore.c

@@ -225,7 +225,7 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
 		    hose->first_busno, PCI_SLOT(hose->first_busno),
 		    PCI_FUNC(hose->first_busno), bar, bar_response);
 	}
-	/* end work arround */
+	/* end workaround */
 
 #ifdef DEBUG
 	printk("PCI bridge regs after fixup \n");

arch/ppc/platforms/4xx/walnut.c

@@ -200,7 +200,7 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
 		    hose->first_busno, PCI_SLOT(hose->first_busno),
 		    PCI_FUNC(hose->first_busno), bar, bar_response);
 	}
-	/* end work arround */
+	/* end work around */
 
 #ifdef DEBUG
 	printk("PCI bridge regs after fixup \n");

arch/ppc/platforms/ev64360.c

@@ -473,7 +473,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	 * are non-zero, then we should use the board info from the bd_t
 	 * structure and the cmdline pointed to by r6 instead of the
 	 * information from birecs, if any.  Otherwise, use the information
-	 * from birecs as discovered by the preceeding call to
+	 * from birecs as discovered by the preceding call to
 	 * parse_bootinfo().  This rule should work with both PPCBoot, which
 	 * uses a bd_t board info structure, and the kernel boot wrapper,
 	 * which uses birecs.

arch/ppc/platforms/hdpu.c

@@ -144,7 +144,7 @@ static void __init hdpu_setup_peripherals(void)
 
 	/* Enable pipelining */
 	mv64x60_set_bits(&bh, MV64x60_CPU_CONFIG, (1 << 13));
-	/* Enable Snoop Pipelineing */
+	/* Enable Snoop Pipelining */
 	mv64x60_set_bits(&bh, MV64360_D_UNIT_CONTROL_HIGH, (1 << 24));
 
 	/*

arch/ppc/platforms/katana.c

@@ -880,7 +880,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	 * are non-zero, then we should use the board info from the bd_t
 	 * structure and the cmdline pointed to by r6 instead of the
 	 * information from birecs, if any.  Otherwise, use the information
-	 * from birecs as discovered by the preceeding call to
+	 * from birecs as discovered by the preceding call to
 	 * parse_bootinfo().  This rule should work with both PPCBoot, which
 	 * uses a bd_t board info structure, and the kernel boot wrapper,
 	 * which uses birecs.

arch/ppc/platforms/mbx.h

@@ -37,7 +37,7 @@ typedef struct bd_info {
 
 /* Memory map for the MBX as configured by EPPC-Bug.  We could reprogram
  * The SIU and PCI bridge, and try to use larger MMU pages, but the
- * performance gain is not measureable and it certainly complicates the
+ * performance gain is not measurable and it certainly complicates the
  * generic MMU model.
  *
  * In a effort to minimize memory usage for embedded applications, any

arch/ppc/platforms/mvme5100.h

@@ -69,7 +69,7 @@
 
 #define STD_COM_FLAGS ASYNC_BOOT_AUTOCONF
 
-/* All UART IRQ's are wire-OR'd to one MPIC IRQ */
+/* All UART IRQs are wire-OR'd to one MPIC IRQ */
 #define STD_SERIAL_PORT_DFNS \
         { 0, BASE_BAUD, MVME5100_SERIAL_1, \
 		MVME5100_SERIAL_IRQ, \