Merge bk://ppc.bkbits.net/for-linus-ppc

into home.transmeta.com:/home/torvalds/v2.5/linux

arch/ppc/Makefile

@@ -64,7 +64,7 @@ drivers-$(CONFIG_8xx)		+= arch/ppc/8xx_io/
 drivers-$(CONFIG_4xx)		+= arch/ppc/4xx_io/
 drivers-$(CONFIG_8260)		+= arch/ppc/8260_io/
 
-MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
+makeboot = $(call descend,arch/ppc/boot,$(1))
 
 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd pImage vmlinux.sm
 
@@ -74,14 +74,14 @@ AFLAGS_vmlinux.lds.o	:= -Upowerpc
 bzImage: zImage
 
 $(BOOT_TARGETS): vmlinux
-	@$(MAKEBOOT) $@
+	+@$(call makeboot,$@)
 
 %_config: arch/ppc/configs/%_defconfig
 	rm -f .config arch/ppc/defconfig
 	cp -f arch/ppc/configs/$(@:config=defconfig) .config
 
 archclean:
-	@$(MAKEBOOT) clean
+	+@$(call makeboot,clean)
 
 archmrproper:
 

arch/ppc/boot/Makefile

@@ -10,25 +10,16 @@
 # modified by Cort (cort@cs.nmt.edu)
 #
 
-GZIP_FLAGS = -v9f
-
 CFLAGS	+= -fno-builtin -D__BOOTER__ -I$(TOPDIR)/arch/$(ARCH)/boot/include
 
 AFLAGS	+= -D__BOOTER__
 OBJCOPY_ARGS = -O elf32-powerpc
 
-MKIMAGE				:= ./utils/mkimage.wrapper
-
-lib/lib.a: lib/zlib.c
-	$(MAKE) -C lib
+subdir-y			:= simple
+subdir-$(CONFIG_ALL_PPC)	:= openfirmware prep
 
-images/vmlinux.gz: $(TOPDIR)/vmlinux
-	$(MAKE) -C images vmlinux.gz
+HOSTCFLAGS += -Iarch/$(ARCH)/boot/include
 
-# Subdirs and tools needed for each.  Assume we always need to go into
-# 'simple' unless told otherwise.
-subdir-y			:= lib common simple
-subdir-$(CONFIG_ALL_PPC)	:= openfirmware prep
 tools-$(CONFIG_ALL_PPC)		:= addnote mknote hack-coff mkprep
 tools-$(CONFIG_PPLUS)		:= mkbugboot mkprep
 tools-$(CONFIG_4xx)		:= mktree
@@ -40,49 +31,24 @@ tools-$(CONFIG_PRPMC750)	:= mkbugboot mkprep
 tools-$(CONFIG_PRPMC800)	:= mkbugboot mkprep
 tools-$(CONFIG_SPRUCE)		:= mktree
 
-# These are dirs we don't want to go into on BOOT_TARGETS.  We have them for
-# the 'depend' stage.
-NONBOOT				:= lib common
+all-tools := addnote mknote hack-coff mkprep mkbugboot mktree
 
-# These are the subdirs we want to use
-BOOTDIRS			= $(filter-out $(NONBOOT), $(subdir-y))
+host-progs			:= $(addprefix utils/,$(tools-y))
 
-makeof1275:
-	$(MAKE) -C of1275
-
-# This will make the tools we need.  We do it like this to ensure that we use
-# HOSTCC. -- Tom
-maketools:
-	$(MAKE) -C utils $(tools-y)
-
-# The targets all boards support for boot images.
-BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
+include $(TOPDIR)/Rules.make
 
-$(BOOT_TARGETS): vmapus lib/lib.a images/vmlinux.gz makeof1275 maketools
-ifneq ($(BOOTDIRS),)
-	for d in $(BOOTDIRS); do $(MAKE) -C $$d $@; done
-endif
+zImage zImage.initrd znetboot znetboot.initrd: $(subdir-y)
 
-vmapus: $(TOPDIR)/vmlinux
-ifdef CONFIG_APUS
-	$(STRIP) $(TOPDIR)/vmlinux -o images/vmapus
-	gzip $(GZIP_FLAGS) images/vmapus
-endif
+simple openfirmware prep: lib common images
+openfirmware prep: of1275
 
-# Make an image for PPCBoot
-pImage: images/vmlinux.gz
-	$(MKIMAGE) -A ppc -O linux -T kernel -C gzip -a 00000000 -e 00000000 \
-	-n 'Linux-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)' \
-	-d $< images/vmlinux.PPCBoot
-	ln -sf vmlinux.PPCBoot images/pImage
+lib common of1275 images: FORCE
+	+@$(call descend,$(obj)/$@,)
 
-vmlinux.sm: $(TOPDIR)/vmlinux utils/addSystemMap
-	./utils/addSystemMap $(TOPDIR)/System.map $(TOPDIR)/vmlinux images/vmlinux.sm
+openfirmware prep simple: FORCE
+	+@$(call descend,$(obj)/$@,$(MAKECMDGOALS))
 
-# These are subdirs with files not normally rm'ed. -- Tom
-clean:
-	$(MAKE) -C images clean
-	$(MAKE) -C utils clean
-	$(MAKE) -C openfirmware clean
+CLEAN_FILES += $(addprefix $(obj)/utils,$(all-tools))
 
-include $(TOPDIR)/Rules.make
+clean: FORCE
+	+@$(call descend,$(obj)/images,clean)

arch/ppc/boot/common/Makefile

@@ -8,7 +8,12 @@
 # Tom Rini	January 2001
 #
 
-coffcrt0.o:
-	$(CC) $(AFLAGS) -DXCOFF -traditional -c -o coffcrt0.o crt0.S
+L_TARGET				:= lib.a
+
+obj-y					:= string.o util.o misc-common.o
+obj-$(CONFIG_ALL_PPC)			+= mpc10x_memory.o
+obj-$(CONFIG_LOPEC)			+= mpc10x_memory.o
+obj-$(CONFIG_PAL4)			+= cpc700_memory.o
+obj-$(CONFIG_SERIAL_8250_CONSOLE)	+= ns16550.o
 
 include $(TOPDIR)/Rules.make

arch/ppc/boot/images/Makefile

@@ -2,11 +2,16 @@
 # This dir holds all of the images for PPC machines.
 # Tom Rini	January 2001
 
+all:	$(obj)/vmlinux.gz
+
 include $(TOPDIR)/Rules.make
 
-vmlinux.gz: $(TOPDIR)/vmlinux
-	$(OBJCOPY) --strip-all -S -O binary $(TOPDIR)/vmlinux vmlinux
-	gzip -vf9 vmlinux
+GZIP_FLAGS = -v9f
+
+$(obj)/vmlinux.gz: vmlinux
+	$(OBJCOPY) -S -O binary vmlinux $(obj)/vmlinux
+	gzip $(GZIP_FLAGS) $(obj)/vmlinux
 
 clean:
-	rm -f sImage vmapus vmlinux* miboot* zImage* zvmlinux*
+	rm -f $(obj)/sImage $(obj)/vmapus $(obj)/vmlinux* $(obj)/miboot* 
+	rm -f $(obj)/zImage* z$(obj)/vmlinux*

arch/ppc/boot/include/mpc10x.h

@@ -58,7 +58,7 @@
 #define MPC10X_MCTLR_EXT_MEM_START_2	0x8c	/* Banks 4-7 */
 
 #define MPC10X_MCTLR_MEM_END_1		0x90	/* Banks 0-3 */
-#define MPC10X_MCTLR_MEM_END_2i		0x94	/* Banks 4-7 */
+#define MPC10X_MCTLR_MEM_END_2		0x94	/* Banks 4-7 */
 #define MPC10X_MCTLR_EXT_MEM_END_1	0x98	/* Banks 0-3 */
 #define MPC10X_MCTLR_EXT_MEM_END_2	0x9c	/* Banks 4-7 */
 

arch/ppc/boot/lib/Makefile

@@ -4,6 +4,6 @@
 
 L_TARGET := lib.a
 
-obj-y := zlib.o
+obj-y := zlib.o div64.o
 
 include $(TOPDIR)/Rules.make

arch/ppc/boot/lib/div64.S

+/*
+ * Divide a 64-bit unsigned number by a 32-bit unsigned number.
+ * This routine assumes that the top 32 bits of the dividend are
+ * non-zero to start with.
+ * On entry, r3 points to the dividend, which get overwritten with
+ * the 64-bit quotient, and r4 contains the divisor.
+ * On exit, r3 contains the remainder.
+ *
+ * Copyright (C) 2002 Paul Mackerras, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <asm/ppc_asm.h>
+#include <asm/processor.h>
+
+_GLOBAL(__div64_32)
+	lwz	r5,0(r3)	# get the dividend into r5/r6
+	lwz	r6,4(r3)
+	cmplw	r5,r4
+	li	r7,0
+	li	r8,0
+	blt	1f
+	divwu	r7,r5,r4	# if dividend.hi >= divisor,
+	mullw	r0,r7,r4	# quotient.hi = dividend.hi / divisor
+	subf.	r5,r0,r5	# dividend.hi %= divisor
+	beq	3f
+1:	mr	r11,r5		# here dividend.hi != 0
+	andis.	r0,r5,0xc000
+	bne	2f
+	cntlzw	r0,r5		# we are shifting the dividend right
+	li	r10,-1		# to make it < 2^32, and shifting
+	srw	r10,r10,r0	# the divisor right the same amount,
+	add	r9,r4,r10	# rounding up (so the estimate cannot
+	andc	r11,r6,r10	# ever be too large, only too small)
+	andc	r9,r9,r10
+	or	r11,r5,r11
+	rotlw	r9,r9,r0
+	rotlw	r11,r11,r0
+	divwu	r11,r11,r9	# then we divide the shifted quantities
+2:	mullw	r10,r11,r4	# to get an estimate of the quotient,
+	mulhwu	r9,r11,r4	# multiply the estimate by the divisor,
+	subfc	r6,r10,r6	# take the product from the divisor,
+	add	r8,r8,r11	# and add the estimate to the accumulated
+	subfe.	r5,r9,r5	# quotient
+	bne	1b
+3:	cmplw	r6,r4
+	blt	4f
+	divwu	r0,r6,r4	# perform the remaining 32-bit division
+	mullw	r10,r0,r4	# and get the remainder
+	add	r8,r8,r0
+	subf	r6,r10,r6
+4:	stw	r7,0(r3)	# return the quotient in *r3
+	stw	r8,4(r3)
+	mr	r3,r6		# return the remainder in r3
+	blr

arch/ppc/boot/of1275/Makefile

@@ -2,7 +2,7 @@
 # Makefile of1275 stuff
 #
 
-L_TARGET := of1275.a
+L_TARGET := lib.a
 
 obj-y := claim.o enter.o exit.o finddevice.o getprop.o ofinit.o	\
 	 ofstdio.o read.o release.o write.o

arch/ppc/boot/openfirmware/Makefile

@@ -10,24 +10,37 @@
 #	Merged 'chrp' and 'pmac' into 'openfirmware', and cleaned up the
 #	rules.
 
+EXTRA_TARGETS := start.o misc.o crt0.o coffcrt0.o coffmain.o chrpmain.o \
+		newworldmain.o common.o
+
+boot: zImage
+
+include $(TOPDIR)/Rules.make
+
+boot := arch/ppc/boot
+common := $(boot)/common
+utils := $(boot)/utils
+bootlib := $(boot)/lib
+of1275 := $(boot)/of1275
+images := $(boot)/images
+
 OBJCOPY_ARGS = -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
-COFF_LD_ARGS = -T ../ld.script -e _start -Ttext 0x00500000 -Bstatic
-CHRP_LD_ARGS = -T ../ld.script -e _start -Ttext 0x00400000
-NEWWORLD_LD_ARGS = -T ../ld.script -e _start -Ttext 0x01000000
+COFF_LD_ARGS = -T $(boot)/ld.script -e _start -Ttext 0x00700000 -Bstatic
+CHRP_LD_ARGS = -T $(boot)/ld.script -e _start -Ttext 0x00800000
+NEWWORLD_LD_ARGS = -T $(boot)/ld.script -e _start -Ttext 0x01000000
 
-COMMONOBJS = start.o misc.o ../common/string.o common.o
-COFFOBJS = ../common/coffcrt0.o $(COMMONOBJS) coffmain.o
-CHRPOBJS = ../common/crt0.o $(COMMONOBJS) chrpmain.o
-NEWWORLDOBJS = ../common/crt0.o $(COMMONOBJS) newworldmain.o
+COMMONOBJS = $(obj)/start.o $(obj)/misc.o $(obj)/common.o
+COFFOBJS = $(obj)/coffcrt0.o $(COMMONOBJS) $(obj)/coffmain.o
+CHRPOBJS = $(obj)/crt0.o $(COMMONOBJS) $(obj)/chrpmain.o
+NEWWORLDOBJS = $(obj)/crt0.o $(COMMONOBJS) $(obj)/newworldmain.o
 
-EXTRA_TARGETS	:= $(COFFOBJS) $(CHRPOBJS) $(NEWWORLDOBJS)
-LIBS = $(TOPDIR)/lib/lib.a ../lib/lib.a ../of1275/of1275.a
+LIBS = lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a
 
-ADDNOTE := ../utils/addnote
-MKNOTE := ../utils/mknote
-SIZE := ../utils/size
-OFFSET := ../utils/offset
-HACKCOFF := ../utils/hack-coff
+ADDNOTE := $(utils)/addnote
+MKNOTE := $(utils)/mknote
+SIZE := $(utils)/size
+OFFSET := $(utils)/offset
+HACKCOFF := $(utils)/hack-coff
 
 ifdef CONFIG_SMP
 END := .smp
@@ -38,12 +51,12 @@ endif
 
 TFTPIMAGE=/tftpboot/zImage.
 
-../common/coffcrt0.o:
-	$(MAKE) -C ../common coffcrt0.o
+$(obj)/dummy.o: $(common)/dummy.c
+	$(CC) -c -o $@ $(common)/dummy.c
 
-image.o: ../images/vmlinux.gz ../common/dummy.o
-	$(OBJCOPY) ../common/dummy.o $@ -R .comment \
-		--add-section=.image=../images/vmlinux.gz \
+$(obj)/image.o: $(images)/vmlinux.gz $(obj)/dummy.o
+	$(OBJCOPY) $(obj)/dummy.o $@ -R .comment \
+		--add-section=.image=$(images)/vmlinux.gz \
 		--set-section-flags=.image=contents,alloc,load,readonly,data
 ifdef CONFIG_XMON
 	$(OBJCOPY) $@ $@ \
@@ -52,86 +65,93 @@ ifdef CONFIG_XMON
 endif
 
 # Place the ramdisk in the initrd image.
-image-initrd.o: image.o ../images/ramdisk.image.gz
-	$(OBJCOPY) image.o $@ \
-		--add-section=.ramdisk=../images/ramdisk.image.gz \
+$(obj)/image-initrd.o: $(obj)/image.o $(images)/ramdisk.image.gz
+	$(OBJCOPY) $(obj)/image.o $@ \
+		--add-section=.ramdisk=$(images)/ramdisk.image.gz \
 		--set-section-flags=.ramdisk=contents,alloc,load,readonly,data
 
 # Create the note section for New-World PowerMacs.
-note: $(MKNOTE)
-	$(MKNOTE) > note
-
-znetboot: vmlinux.coff vmlinux.elf-pmac zImage
-	cp ../images/vmlinux.coff $(TFTPIMAGE).pmac$(END)
-	cp ../images/vmlinux.elf-pmac $(TFTPIMAGE).pmac$(END)elf
-	cp ../images/zImage.chrp $(TFTPIMAGE).chrp$(END)
-
-znetboot.initrd: vmlinux.initrd.coff vmlinux.initrd.elf-pmac
-	cp ../images/vmlinux.initrd.coff $(TFTPIMAGE).pmac$(END)
-	cp ../images/vmlinux.initrd.elf-pmac $(TFTPIMAGE).pmac$(END).elf
-	cp ../images/zImage.initrd.chrp $(TFTPIMAGE).chrp$(END)
+$(obj)/note: $(MKNOTE)
+	$(MKNOTE) > $(obj)/note
+
+znetboot: $(images)/vmlinux.coff $(images)/vmlinux.elf-pmac $(images)/zImage.chrp
+	cp $(images)/vmlinux.coff $(TFTPIMAGE).pmac$(END)
+	cp $(images)/vmlinux.elf-pmac $(TFTPIMAGE).pmac$(END)elf
+	cp $(images)/zImage.chrp $(TFTPIMAGE).chrp$(END)
+
+znetboot.initrd: $(images)/vmlinux.initrd.coff \
+		$(images)/vmlinux.initrd.elf-pmac \
+		$(images)/zImage.initrd.chrp
+	cp $(images)/vmlinux.initrd.coff $(TFTPIMAGE).pmac$(END)
+	cp $(images)/vmlinux.initrd.elf-pmac $(TFTPIMAGE).pmac$(END).elf
+	cp $(images)/zImage.initrd.chrp $(TFTPIMAGE).chrp$(END)
+
+$(images)/miboot.image: $(obj)/dummy.o $(images)/vmlinux.gz
+	$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=image=$(images)/vmlinux.gz \
+		$(obj)/dummy.o $@
+
+$(images)/miboot.initrd.image: $(images)/miboot.image $(images)/ramdisk.image.gz
+	$(OBJCOPY) $(OBJCOPY_ARGS) \
+		--add-section=initrd=$(images)/ramdisk.image.gz \
+		$(images)/miboot.image $@
 
-miboot.image: ../common/dummy.o ../images/vmlinux.gz
-	$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=image=../images/vmlinux.gz \
-		../common/dummy.o ../images/$@
+$(obj)/coffcrt0.o: $(common)/crt0.S
+	$(CC) $(AFLAGS) -DXCOFF -traditional -c -o $@ $(common)/crt0.S
 
-miboot.initrd.image: miboot.image ../images/ramdisk.image.gz
-	$(OBJCOPY) $(OBJCOPY_ARGS) \
-		--add-section=initrd=../images/ramdisk.image.gz \
-		../images/miboot.image ../images/$@
+$(obj)/crt0.o: $(common)/crt0.S
+	$(CC) $(AFLAGS) -traditional -c -o $@ $(common)/crt0.S
 
-coffboot: $(COFFOBJS) image.o $(LIBS)
+$(obj)/coffboot: $(COFFOBJS) $(obj)/image.o $(LIBS)
 	$(LD) -o $@ $(COFF_LD_ARGS) $^
 	$(OBJCOPY) $@ $@ -R .comment -R .ramdisk
 
-coffboot.initrd: $(COFFOBJS) image-initrd.o $(LIBS)
+$(obj)/coffboot.initrd: $(COFFOBJS) $(obj)/image-initrd.o $(LIBS)
 	$(LD) -o $@ $(COFF_LD_ARGS) $^
 	$(OBJCOPY) $@ $@ -R .comment
 
-vmlinux.coff: coffboot $(HACKCOFF)
-	$(OBJCOPY) $(OBJCOPY_ARGS) coffboot ../images/$@
-	$(HACKCOFF) ../images/$@
-	rm -f coffboot
-	ln -sf vmlinux.coff ../images/zImage.pmac
-
-vmlinux.initrd.coff: coffboot.initrd $(HACKCOFF)
-	$(OBJCOPY) $(OBJCOPY_ARGS) coffboot.initrd ../images/$@
-	$(HACKCOFF) ../images/$@
-	rm -f coffboot.initrd
-	ln -sf vmlinux.initrd.coff ../images/zImage.initrd.pmac
-
-vmlinux.elf-pmac: $(NEWWORLDOBJS) $(LIBS) image.o
-	$(LD) $(NEWWORLD_LD_ARGS) -o ../images/$@ $^
-
-vmlinux.initrd.elf-pmac: $(NEWWORLDOBJS) $(LIBS) image-initrd.o
-	$(LD) $(NEWWORLD_LD_ARGS) -o ../images/$@ $^
-
-zImage.chrp: $(CHRPOBJS) image.o $(LIBS)
-	$(LD) $(CHRP_LD_ARGS) -o ../images/$@ $^
-
-zImage.initrd.chrp: $(CHRPOBJS) image-initrd.o $(LIBS)
-	$(LD) $(CHRP_LD_ARGS) -o ../images/$@ $^
-
-zImage: vmlinux.coff vmlinux.elf-pmac zImage.chrp miboot.image $(ADDNOTE) \
-	note
-	$(OBJCOPY) ../images/vmlinux.elf-pmac ../images/vmlinux.elf-pmac \
-		--add-section=.note=note -R .comment -R .ramdisk
-	$(OBJCOPY) ../images/zImage.chrp ../images/zImage.chrp \
-		-R .comment -R .ramdisk
-	cp ../images/zImage.chrp ../images/zImage.chrp-rs6k
-	$(ADDNOTE) ../images/zImage.chrp-rs6k
-
-zImage.initrd: vmlinux.initrd.coff vmlinux.initrd.elf-pmac zImage.initrd.chrp \
-	miboot.initrd.image $(ADDNOTE) note
-	$(OBJCOPY) ../images/vmlinux.initrd.elf-pmac \
-		../images/vmlinux.initrd.elf-pmac --add-section=.note=note \
-		-R .comment
-	$(OBJCOPY) ../images/zImage.initrd.chrp ../images/zImage.initrd.chrp \
-		-R .comment
-	cp ../images/zImage.initrd.chrp ../images/zImage.initrd.chrp-rs6k
-	$(ADDNOTE) ../images/zImage.initrd.chrp-rs6k
+$(images)/vmlinux.coff: $(obj)/coffboot
+	$(OBJCOPY) $(OBJCOPY_ARGS) $(obj)/coffboot $@
+	$(HACKCOFF) $@
+	ln -sf vmlinux.coff $(images)/zImage.pmac
 
-clean:
-	rm -f note
+$(images)/vmlinux.initrd.coff: $(obj)/coffboot.initrd
+	$(OBJCOPY) $(OBJCOPY_ARGS) $(obj)/coffboot.initrd $@
+	$(HACKCOFF) $@
+	ln -sf vmlinux.initrd.coff $(images)/zImage.initrd.pmac
 
-include $(TOPDIR)/Rules.make
+$(images)/vmlinux.elf-pmac: $(NEWWORLDOBJS) $(LIBS) $(obj)/image.o $(obj)/note
+	$(LD) $(NEWWORLD_LD_ARGS) -o $@ $(NEWWORLDOBJS) $(LIBS) $(obj)/image.o
+	$(OBJCOPY) $@ $@ \
+		--add-section=.note=$(obj)/note -R .comment -R .ramdisk
+
+$(images)/vmlinux.initrd.elf-pmac: $(NEWWORLDOBJS) $(LIBS) \
+		$(obj)/image-initrd.o $(obj)/note
+	$(LD) $(NEWWORLD_LD_ARGS) -o $@ $(NEWWORLDOBJS) $(LIBS) \
+		$(obj)/image-initrd.o
+	$(OBJCOPY) $@ $@ \
+		--add-section=.note=$(obj)/note -R .comment
+
+$(images)/zImage.chrp: $(CHRPOBJS) $(obj)/image.o $(LIBS)
+	$(LD) $(CHRP_LD_ARGS) -o $@ $^
+	$(OBJCOPY) $@ $@ -R .comment -R .ramdisk
+
+$(images)/zImage.initrd.chrp: $(CHRPOBJS) $(obj)/image-initrd.o $(LIBS)
+	$(LD) $(CHRP_LD_ARGS) -o $@ $^
+	$(OBJCOPY) $@ $@ -R .comment
+
+$(images)/zImage.chrp-rs6k: $(images)/zImage.chrp
+	cp $(images)/zImage.chrp $@
+	$(ADDNOTE) $@
+
+$(images)/zImage.initrd.chrp-rs6k: $(images)/zImage.initrd.chrp
+	cp $(images)/zImage.initrd.chrp $@
+	$(ADDNOTE) $@
+
+zImage: $(images)/vmlinux.coff $(images)/vmlinux.elf-pmac \
+		$(images)/zImage.chrp $(images)/miboot.image
+
+zImage.initrd: $(images)/vmlinux.initrd.coff $(images)/vmlinux.initrd.elf-pmac\
+		$(images)/zImage.initrd.chrp $(images)/miboot.initrd.image
+
+clean:
+	rm -f $(obj)/note $(obj)/image.o $(obj)/coffboot $(obj)/coffboot.initrd

arch/ppc/boot/prep/Makefile

@@ -13,65 +13,79 @@
 # modified by Cort (cort@cs.nmt.edu)
 #
 
+boot: zImage
+
 TFTPIMAGE			= /tftpboot/zImage.prep
 ifeq ($(CONFIG_SMP),y)
 TFTPIMAGE			= $(TFTPBOOT).smp
 endif
 
-LD_ARGS				= -T ../ld.script -Ttext 0x00800000 -Bstatic
-boot-y				:= head.o ../simple/legacy.o misc.o \
-					../common/util.o ../common/string.o \
-					../common/misc-common.o \
-					../common/mpc10x_memory.o
+LD_ARGS				= -T $(boot)/ld.script -Ttext 0x00800000 -Bstatic
 OBJCOPY_ARGS			= -O elf32-powerpc
-LIBS 				= ../lib/lib.a
+LIBS 				= $(common)/lib.a $(bootlib)/lib.a
 
-boot-$(CONFIG_SERIAL_8250_CONSOLE) += ../common/ns16550.o
+boot-y				:= head.o misc.o
 boot-$(CONFIG_VGA_CONSOLE)	+= vreset.o kbd.o
 
-EXTRA_TARGETS			:= $(boot-y)
+EXTRA_TARGETS			:= $(boot-y) ../simple/legacy.o
+
+include $(TOPDIR)/Rules.make
+
+boot := arch/ppc/boot
+common := $(boot)/common
+utils := $(boot)/utils
+bootlib := $(boot)/lib
+of1275 := $(boot)/of1275
+images := $(boot)/images
+simple := $(boot)/simple
+
+OBJS	:= $(addprefix $(obj)/,$(boot-y)) $(simple)/legacy.o 
 
 # Tools
-MKPREP				:= ../utils/mkprep
-SIZE				:= ../utils/size
-OFFSET				:= ../utils/offset
+MKPREP				:= $(utils)/mkprep
+SIZE				:= $(utils)/size
+OFFSET				:= $(utils)/offset
 
 # Extra include search dirs
-CFLAGS_kbd.o			+= -I$(TOPDIR)/drivers/char
+CFLAGS_kbd.o			+= -Idrivers/char
 
-all: zImage
+zImage: $(images)/zImage.prep
+zImage.initrd: $(images)/zImage.initrd.prep
 
-zImage: $(boot-y) $(LIBS) ../ld.script ../images/vmlinux.gz ../common/dummy.o \
-		$(MKPREP)
+$(obj)/dummy.o: $(common)/dummy.c
+	$(CC) -c -o $@ $(common)/dummy.c
+
+$(images)/zImage.prep: $(OBJS) $(LIBS) $(boot)/ld.script \
+		$(images)/vmlinux.gz $(obj)/dummy.o
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
-		--add-section=.image=../images/vmlinux.gz \
+		--add-section=.image=$(images)/vmlinux.gz \
 		--set-section-flags=.image=contents,alloc,load,readonly,data \
-		../common/dummy.o image.o
-	$(LD) $(LD_ARGS) -o $@ $(boot-y) image.o $(LIBS)
-	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr
-	$(MKPREP) -pbp $@ ../images/$@.prep
-	rm -f $@
-
-zImage.initrd: $(boot-y) $(LIBS) ../ld.script ../images/vmlinux.gz $(MKPREP) \
-		../common/dummy.o
+		$(obj)/dummy.o $(obj)/image.o
+	$(LD) $(LD_ARGS) -o $(obj)/zImage $(OBJS) $(obj)/image.o $(LIBS)
+	$(OBJCOPY) $(OBJCOPY_ARGS) $(obj)/zImage $(obj)/zImage \
+		-R .comment -R .stab -R .stabstr
+	$(MKPREP) -pbp $(obj)/zImage $@
+	rm -f $(obj)/zImage
+
+$(images)/zImage.initrd.prep: $(OBJS) $(LIBS) $(boot)/ld.script \
+		$(images)/vmlinux.gz $(obj)/dummy.o
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
-		--add-section=.ramdisk=../images/ramdisk.image.gz \
+		--add-section=.ramdisk=$(images)/ramdisk.image.gz \
 		--set-section-flags=.ramdisk=contents,alloc,load,readonly,data \
-		--add-section=.image=../images/vmlinux.gz \
+		--add-section=.image=$(images)/vmlinux.gz \
 		--set-section-flags=.image=contents,alloc,load,readonly,data \
-		../common/dummy.o image.o
-	$(LD) $(LD_ARGS) -o $@ $(boot-y) image.o $(LIBS)
-	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr
-	$(MKPREP) -pbp $@ ../images/$@.prep
-	rm -f $@
+		$(obj)/dummy.o $(obj)/image.o
+	$(LD) $(LD_ARGS) -o $(obj)/zImage.initrd $(OBJS) $(obj)/image.o $(LIBS)
+	$(OBJCOPY) $(OBJCOPY_ARGS) $(obj)/zImage.initrd $(obj)/zImage.initrd \
+		-R .comment -R .stab -R .stabstr
+	$(MKPREP) -pbp $(obj)/zImage.initrd $@
+	rm -f  $(obj)/zImage.initrd
 
 floppy: zImage
-	dd if=../images/zImage.prep of=/dev/fd0H1440 bs=64b
+	dd if=$(images)/zImage.prep of=/dev/fd0H1440 bs=64b
 
 znetboot : zImage
-	cp ../images/zImage.prep $(TFTPIMAGE)
+	cp $(images)/zImage.prep $(TFTPIMAGE)
 
 znetboot.initrd : zImage.initrd
-	cp ../images/zImage.initrd.prep $(TFTPIMAGE)
-
-include $(TOPDIR)/Rules.make
+	cp $(images)/zImage.initrd.prep $(TFTPIMAGE)

arch/ppc/boot/prep/misc.c

@@ -132,11 +132,6 @@ decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
 	vga_init((unsigned char *)0xC0000000);
 #endif /* CONFIG_VGA_CONSOLE */
 
-	/* 
-	 * Find out how much memory we have.
-	 */
-	TotalMemory = get_mem_size();
-
 	/*
 	 * Tell the user where we were loaded at and where we were relocated
 	 * to for debugging this process.
@@ -215,6 +210,29 @@ decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum,
 		puts("No residual data found.\n");
         }
 
+	/* First, figure out what kind of host bridge we are on.  If it's
+	 * an MPC10x, we can ask it directly how much memory it has.
+	 * Otherwise, see if the residual data has anything.  This isn't
+	 * the best way, but it can be the only way.  If there's nothing,
+	 * assume 32MB. -- Tom.
+	 */
+	/* See what our host bridge is. */
+	pci_read_config_32(0x00, 0x00, &pci_viddid);
+	pci_did = (pci_viddid & 0xffff0000) >> 16;
+	/* See if we are on an MPC10x. */
+	if (((pci_viddid & 0xffff) == PCI_VENDOR_ID_MOTOROLA)
+			&& ((pci_did == PCI_DEVICE_ID_MOTOROLA_MPC105)
+				|| (pci_did == PCI_DEVICE_ID_MOTOROLA_MPC106)
+				|| (pci_did == PCI_DEVICE_ID_MOTOROLA_MPC107)))
+		TotalMemory = get_mem_size();
+	/* If it's not, see if we have anything in the residual data. */
+	else if (residual && residual->TotalMemory)
+		TotalMemory = residual->TotalMemory;
+	/* Fall back to hard-coding 32MB. */
+	else
+		TotalMemory = 32*1024*1024;
+
+
 	/* assume the chunk below 8M is free */
 	end_avail = (char *)0x00800000;
 

arch/ppc/boot/simple/Makefile

@@ -24,9 +24,11 @@
 # Free Software Foundation;  either version 2 of the  License, or (at your
 # option) any later version.
 
-# Normally, we use the 'misc-simple.c' file for decompress_kernel and
+boot: zImage
+
+# Normally, we use the 'misc.c' file for decompress_kernel and
 # whatnot.  Sometimes we need to override this however.
-MISC				:= ../common/misc-simple.o
+MISC				:= misc.o
 ifeq ($(CONFIG_IBM_OPENBIOS),y)
 ZIMAGE				:= zImage-TREE
 ZIMAGEINITRD			:= zImage.initrd-TREE
@@ -38,6 +40,14 @@ ifeq ($(CONFIG_EMBEDDEDBOOT),y)
 TFTPIMAGE			:= /tftpboot/zImage.embedded
 MISC				:= misc-embedded.o
 endif
+ifeq ($(CONFIG_EBONY),y)
+ZIMAGE				:= zImage-TREE
+ZIMAGEINITRD			:= zImage.initrd-TREE
+EXTRA				:= direct.o
+END				:= ebony
+ENTRYPOINT			:= 0x01000000
+TFTPIMAGE			:= /tftpboot/zImage.$(END)
+endif
 ifeq ($(CONFIG_EV64260),y)
 EXTRA				:= direct.o misc-ev64260.o
 TFTPIMAGE			:= /tftpboot/zImage.ev64260
@@ -72,11 +82,8 @@ endif
 ifeq ($(CONFIG_PPLUS),y)
 EXTRA				:= legacy.o
 endif
-ifeq ($(CONFIG_LOPEC),y)
-EXTRA				+= ../common/mpc10x_memory.o
-endif
 ifeq ($(CONFIG_PAL4),y)
-EXTRA				:= direct.o ../common/cpc700_memory.o
+EXTRA				:= direct.o
 endif
 ifeq ($(CONFIG_PCORE)$(CONFIG_POWERPMC250),y)
 ZIMAGE				:= zImage-STRIPELF
@@ -122,21 +129,25 @@ endif
 # Default linker args.  Link at 0x00800000 or 0x00400000 by default, but
 # allow it to be overridden.
 ifeq ($(CONFIG_BOOT_LOAD_BOOL),y)
-LD_ARGS				:= -T ../ld.script -Ttext $(CONFIG_BOOT_LOAD) \
-					-Bstatic
+LD_ARGS				:= -T $(boot)/ld.script \
+					-Ttext $(CONFIG_BOOT_LOAD) -Bstatic
 else
-LD_ARGS				= -T ../ld.script -Ttext 0x00800000 -Bstatic
-ifeq ($(CONFIG_8260)$(CONFIG_4xx)$(CONFIG_8xx),y)
-LD_ARGS				:= -T ../ld.script -Ttext 0x00400000 -Bstatic
+LD_ARGS				= -T $(boot)/ld.script \
+					-Ttext 0x00800000 -Bstatic
+ifeq ($(CONFIG_8260)$(CONFIG_40x)$(CONFIG_8xx),y)
+LD_ARGS				:= -T $(boot)/ld.script -Ttext 0x00400000 \
+					-Bstatic
+endif
+ifeq ($(CONFIG_440),y)
+LD_ARGS				:= -T $(boot)/ld.script -Ttext 0x01000000 \
+					-Bstatic
 endif
 endif
 OBJCOPY_ARGS			:= -O elf32-powerpc
 
-# head.o and ../common/relocate.o must be at the start.
-boot-y				:= head.o ../common/relocate.o $(EXTRA) \
-				$(MISC) ../common/misc-common.o \
-				../common/string.o ../common/util.o
-boot-$(CONFIG_4xx)		+= embed_config.o
+# head.o and relocate.o must be at the start.
+boot-y				:= head.o relocate.o $(EXTRA) $(MISC) 
+boot-$(CONFIG_40x)		+= embed_config.o
 boot-$(CONFIG_8xx)		+= embed_config.o
 boot-$(CONFIG_8260)		+= embed_config.o
 boot-$(CONFIG_BSEIP)		+= iic.o
@@ -149,84 +160,97 @@ boot-$(CONFIG_8xx)		+= m8xx_tty.o
 boot-$(CONFIG_8260)		+= m8260_tty.o
 boot-$(CONFIG_GT64260_CONSOLE)	+= gt64260_tty.o
 endif
-boot-$(CONFIG_SERIAL_8250_CONSOLE) += ../common/ns16550.o
+
+boot				:= arch/ppc/boot
+common				:= $(boot)/common
+utils				:= $(boot)/utils
+bootlib				:= $(boot)/lib
+images				:= $(boot)/images
 
 EXTRA_TARGETS			:= $(boot-y)
-LIBS				:= ../lib/lib.a
+LIBS				:=  $(common)/lib.a $(bootlib)/lib.a
+
+include $(TOPDIR)/Rules.make
+
+OBJS				:= $(addprefix $(obj)/,$(boot-y))
 
 # Tools
-MKBUGBOOT			:= ../utils/mkbugboot
-MKPREP				:= ../utils/mkprep
-MKTREE				:= ../utils/mktree
+MKBUGBOOT			:= $(utils)/mkbugboot
+MKPREP				:= $(utils)/mkprep
+MKTREE				:= $(utils)/mktree
+
+$(obj)/dummy.o: $(common)/dummy.c
+	$(CC) -c -o $@ $(common)/dummy.c
 
-zvmlinux: $(boot-y) $(LIBS) ../ld.script ../images/vmlinux.gz ../common/dummy.o
+$(obj)/zvmlinux: $(OBJS) $(LIBS) $(boot)/ld.script $(images)/vmlinux.gz \
+	$(obj)/dummy.o
 	$(OBJCOPY) $(OBJCOPY_ARGS) \
-		--add-section=.image=../images/vmlinux.gz \
+		--add-section=.image=$(images)/vmlinux.gz \
 		--set-section-flags=.image=contents,alloc,load,readonly,data \
-		../common/dummy.o image.o
-	$(LD) $(LD_ARGS) -o $@ $(boot-y) image.o $(LIBS)
-	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr \
-		-R .ramdisk -R .sysmap
+		$(obj)/dummy.o $(obj)/image.o
+	$(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/image.o $(LIBS)
+	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab \
+		-R .stabstr -R .ramdisk -R .sysmap
 
-zvmlinux.initrd: $(boot-y) $(LIBS) ../ld.script ../images/vmlinux.gz \
-		../common/dummy.o
+$(obj)/zvmlinux.initrd: $(OBJS) $(LIBS) $(boot)/ld.script \
+		$(images)/vmlinux.gz $(obj)/dummy.o
 	$(OBJCOPY) $(OBJCOPY_ARGS) \
-		--add-section=.ramdisk=../images/ramdisk.image.gz \
+		--add-section=.ramdisk=$(images)/ramdisk.image.gz \
 		--set-section-flags=.ramdisk=contents,alloc,load,readonly,data \
-		--add-section=.image=../images/vmlinux.gz \
+		--add-section=.image=$(images)/vmlinux.gz \
 		--set-section-flags=.image=contents,alloc,load,readonly,data \
-		../common/dummy.o image.o
-	$(LD) $(LD_ARGS) -o $@ $(boot-y) image.o $(LIBS)
-	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr \
-		-R .sysmap
+		$(obj)/dummy.o $(obj)/image.o
+	$(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/image.o $(LIBS)
+	$(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab \
+		-R .stabstr -R .sysmap
 
 # Sort-of dummy rules, that let us format the image we want.
-zImage: $(ZIMAGE) zvmlinux
-	cp -f zvmlinux ../images/zImage.elf
-	rm -f zvmlinux
+zImage: $(images)/$(ZIMAGE) $(obj)/zvmlinux
+	cp -f $(obj)/zvmlinux $(images)/zImage.elf
+	rm -f $(obj)/zvmlinux
 
-zImage.initrd: $(ZIMAGEINITRD) zvmlinux.initrd
-	cp -f zvmlinux.initrd ../images/zImage.initrd.elf
-	rm -f zvmlinux.initrd
+zImage.initrd: $(images)/$(ZIMAGEINITRD) $(obj)/zvmlinux.initrd
+	cp -f $(obj)/zvmlinux.initrd $(images)/zImage.initrd.elf
+	rm -f $(obj)/zvmlinux.initrd
 
 znetboot: zImage
 ifneq ($(ZNETBOOT),)
-	cp ../images/$(ZNETBOOT) $(TFTPIMAGE)
+	cp $(images)/$(ZNETBOOT) $(TFTPIMAGE)
 else
-	cp ../images/zImage.* $(TFTPIMAGE)
+	cp $(images)/zImage.* $(TFTPIMAGE)
 endif
 
 znetboot.initrd: zImage.initrd
 ifneq ($(ZNETBOOTRD),)
-	cp ../images/$(ZNETBOOTRD) $(TFTPIMAGE)
+	cp $(images)/$(ZNETBOOTRD) $(TFTPIMAGE)
 else
-	cp ../images/zImage.* $(TFTPIMAGE)
+	cp $(images)/zImage.* $(TFTPIMAGE)
 endif
 
-zImage-STRIPELF: zvmlinux
-	dd if=zvmlinux of=../images/zImage.$(END) skip=64 bs=1k
+$(images)/zImage-STRIPELF: $(obj)/zvmlinux
+	dd if=$(obj)/zvmlinux of=$(images)/zImage.$(END) skip=64 bs=1k
 
-zImage.initrd-STRIPELF: zvmlinux.initrd
-	dd if=zvmlinux.initrd of=../images/zImage.initrd.$(END) skip=64 bs=1k
+$(images)/zImage.initrd-STRIPELF: $(obj)/zvmlinux.initrd
+	dd if=$(obj)/zvmlinux.initrd of=$(images)/zImage.initrd.$(END) \
+		skip=64 bs=1k
 
-zImage-TREE: zvmlinux
-	$(MKTREE) zvmlinux ../images/zImage.$(END) $(ENTRYPOINT)
+$(images)/zImage-TREE: $(obj)/zvmlinux
+	$(MKTREE) $(obj)/zvmlinux $(images)/zImage.$(END) $(ENTRYPOINT)
 
-zImage.initrd-TREE: zvmlinux.initrd
-	$(MKTREE) zvmlinux.initrd ../images/zImage.initrd.$(END) $(ENTRYPOINT)
+$(images)/zImage.initrd-TREE: $(obj)/zvmlinux.initrd
+	$(MKTREE) $(obj)/zvmlinux.initrd $(images)/zImage.initrd.$(END) \
+		$(ENTRYPOINT)
 
-zImage-MENF1: zvmlinux
-	$(MKPREP) -pbp zvmlinux ../images/zImage.menf1
+$(images)/zImage-MENF1: $(obj)/zvmlinux
+	$(MKPREP) -pbp $(obj)/zvmlinux $(images)/zImage.menf1
 
-zImage.initrd-MENF1: zvmlinux.initrd
-	$(MKPREP) -pbp zvmlinux.initrd ../images/zImage.initrd.menf1
+$(images)/zImage.initrd-MENF1: $(obj)/zvmlinux.initrd
+	$(MKPREP) -pbp $(obj)/zvmlinux.initrd $(images)/zImage.initrd.menf1
 
-zImage-PPLUS: zvmlinux $(MKPREP) $(MKBUGBOOT)
-	$(MKPREP) -pbp zvmlinux ../images/zImage.pplus
-	$(MKBUGBOOT) zvmlinux ../images/zImage.bugboot
+$(images)/zImage-PPLUS: $(obj)/zvmlinux $(MKPREP) $(MKBUGBOOT)
+	$(MKPREP) -pbp $(obj)/zvmlinux $(images)/zImage.pplus
+	$(MKBUGBOOT) $(obj)/zvmlinux $(images)/zImage.bugboot
 
-zImage.initrd-PPLUS: zvmlinux.initrd $(MKPREP) $(MKBUGBOOT)
-	$(MKPREP) -pbp zvmlinux.initrd ../images/zImage.initrd.pplus
-	$(MKBUGBOOT) zvmlinux.initrd ../images/zImage.initrd.bugboot
-
-include $(TOPDIR)/Rules.make
+$(images)/zImage.initrd-PPLUS: $(obj)/zvmlinux.initrd $(MKPREP) $(MKBUGBOOT)
+	$(MKPREP) -pbp $(obj)/zvmlinux.initrd $(images)/zImage.initrd.pplus
+	$(MKBUGBOOT) $(obj)/zvmlinux.initrd $(images)/zImage.initrd.bugboot

arch/ppc/config.in

@@ -131,6 +131,7 @@ if [ "$CONFIG_6xx" = "y" -a "$CONFIG_8260" = "n" ]; then
 	 Motorola-Sandpoint	CONFIG_SANDPOINT	\
 	 SBS-Adirondack		CONFIG_ADIR		\
 	 SBS-K2			CONFIG_K2		\
+	 SBS-Palomar4		CONFIG_PAL4		\
 	 Synergy-Gemini		CONFIG_GEMINI		\
 	 Zynx-ZX4500		CONFIG_ZX4500"		CHRP/PowerMac/PReP
 
@@ -584,23 +585,31 @@ source lib/Config.in
 mainmenu_option next_comment
 comment 'Kernel hacking'
 
-bool 'Magic SysRq key' CONFIG_MAGIC_SYSRQ
-bool 'Spinlock debugging' CONFIG_DEBUG_SPINLOCK
-bool 'Include kgdb kernel debugger' CONFIG_KGDB
-if [ "$CONFIG_KGDB" = "y" ]; then
-   choice 'Serial Port'			\
+bool 'Kernel debugging' CONFIG_DEBUG_KERNEL
+if [ "$CONFIG_DEBUG_KERNEL" = "y" ]; then
+   bool '  Debug memory allocations' CONFIG_DEBUG_SLAB
+   bool '  Magic SysRq key' CONFIG_MAGIC_SYSRQ
+   bool '  Spinlock debugging' CONFIG_DEBUG_SPINLOCK
+   if [ "$CONFIG_HIGHMEM" = "y" ]; then
+      bool '  Highmem debugging' CONFIG_DEBUG_HIGHMEM
+   fi
+   bool '  Load all symbols for debugging/kksymoops' CONFIG_KALLSYMS
+   bool '  Include kgdb kernel debugger' CONFIG_KGDB
+   if [ "$CONFIG_KGDB" = "y" ]; then
+      choice '    Serial Port'			\
 	"ttyS0	CONFIG_KGDB_TTYS0		\
 	 ttyS1	CONFIG_KGDB_TTYS1		\
 	 ttyS2	CONFIG_KGDB_TTYS2		\
 	 ttyS3	CONFIG_KGDB_TTYS3"		ttyS1
-fi
-bool 'Include xmon kernel debugger' CONFIG_XMON
-bool 'Include BDI-2000 user context switcher' CONFIG_BDI_SWITCH
-if [ "$CONFIG_KGDB" = "y" -o "$CONFIG_XMON" = "y" \
+   fi
+   bool '  Include xmon kernel debugger' CONFIG_XMON
+   bool '  Include BDI-2000 user context switcher' CONFIG_BDI_SWITCH
+   if [ "$CONFIG_KGDB" = "y" -o "$CONFIG_XMON" = "y" \
 	-o "$CONFIG_BDI_SWITCH" = "y" ]; then
-   bool 'Add any additional compile options' CONFIG_MORE_COMPILE_OPTIONS
+      bool '  Add any additional compile options' CONFIG_MORE_COMPILE_OPTIONS
       if [ "$CONFIG_MORE_COMPILE_OPTIONS" = "y" ]; then
-      string 'Additional compile arguments' CONFIG_COMPILE_OPTIONS "-g -ggdb"
+	 string '    Additional compile arguments' CONFIG_COMPILE_OPTIONS "-g -ggdb"
+      fi
    fi
 fi
 

arch/ppc/kernel/indirect_pci.c

@@ -27,13 +27,18 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 {
 	struct pci_controller *hose = bus->sysdata;
 	volatile unsigned char *cfg_data;
+	u8 cfg_type = 0;
 
 	if (ppc_md.pci_exclude_device)
 		if (ppc_md.pci_exclude_device(bus->number, devfn))
 			return PCIBIOS_DEVICE_NOT_FOUND;
 	
+	if (hose->set_cfg_type)
+		if (bus->number != hose->first_busno)
+			cfg_type = 1;
+
 	out_be32(hose->cfg_addr,
-		 ((offset & 0xfc) << 24) | (devfn << 16)
+		 (((offset & 0xfc) | cfg_type) << 24) | (devfn << 16)
 		 | ((bus->number - hose->bus_offset) << 8) | 0x80);
 	/*
 	 * Note: the caller has already checked that offset is
@@ -60,13 +65,18 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
 {
 	struct pci_controller *hose = bus->sysdata;
 	volatile unsigned char *cfg_data;
+	u8 cfg_type = 0;
 
 	if (ppc_md.pci_exclude_device)
 		if (ppc_md.pci_exclude_device(bus->number, devfn))
 			return PCIBIOS_DEVICE_NOT_FOUND;
 
+	if (hose->set_cfg_type)
+		if (bus->number != hose->first_busno)
+			cfg_type = 1;
+
 	out_be32(hose->cfg_addr,
-		 ((offset & 0xfc) << 24) | (devfn << 16)
+		 (((offset & 0xfc) | cfg_type) << 24) | (devfn << 16)
 		 | ((bus->number - hose->bus_offset) << 8) | 0x80);
 	/*
 	 * Note: the caller has already checked that offset is

arch/ppc/kernel/misc.S

@@ -751,21 +751,6 @@ _GLOBAL(copy_page)
 	blr
 #endif /* CONFIG_PPC_ISERIES */
 
-/*
- * Atomic [test&set] exchange
- *
- *	unsigned long xchg_u32(void *ptr, unsigned long val)
- * Changes the memory location '*ptr' to be val and returns
- * the previous value stored there.
- */
-_GLOBAL(xchg_u32)
-	mr	r5,r3		/* Save pointer */
-10:	lwarx	r3,0,r5		/* Fetch old value & reserve */
-	PPC405_ERR77(0,r5)
-	stwcx.	r4,0,r5		/* Update with new value */
-	bne-	10b		/* Retry if "reservation" (i.e. lock) lost */
-	blr
-
 /*
  * void atomic_clear_mask(atomic_t mask, atomic_t *addr)
  * void atomic_set_mask(atomic_t mask, atomic_t *addr);

arch/ppc/kernel/ppc_ksyms.c

@@ -30,6 +30,8 @@
 #include <linux/pmu.h>
 #include <asm/prom.h>
 #include <asm/system.h>
+#define __KERNEL_SYSCALLS__
+#include <asm/unistd.h>
 #include <asm/pci-bridge.h>
 #include <asm/irq.h>
 #include <asm/pmac_feature.h>
@@ -180,6 +182,10 @@ EXPORT_SYMBOL(consistent_free);
 EXPORT_SYMBOL(consistent_sync);
 #endif
 
+EXPORT_SYMBOL(open);
+EXPORT_SYMBOL(read);
+EXPORT_SYMBOL(lseek);
+EXPORT_SYMBOL(close);
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
@@ -191,7 +197,6 @@ EXPORT_SYMBOL(flush_dcache_range);
 EXPORT_SYMBOL(flush_icache_user_range);
 EXPORT_SYMBOL(flush_icache_page);
 EXPORT_SYMBOL(flush_dcache_page);
-EXPORT_SYMBOL(xchg_u32);
 #ifdef CONFIG_ALTIVEC
 EXPORT_SYMBOL(last_task_used_altivec);
 EXPORT_SYMBOL(giveup_altivec);

arch/ppc/lib/Makefile

@@ -4,7 +4,7 @@
 
 export-objs		:= dec_and_lock.o
 
-obj-y			:= checksum.o string.o strcase.o dec_and_lock.o
+obj-y			:= checksum.o string.o strcase.o dec_and_lock.o div64.o
 
 obj-$(CONFIG_SMP)	+= locks.o
 

arch/ppc/lib/div64.S

+/*
+ * Divide a 64-bit unsigned number by a 32-bit unsigned number.
+ * This routine assumes that the top 32 bits of the dividend are
+ * non-zero to start with.
+ * On entry, r3 points to the dividend, which get overwritten with
+ * the 64-bit quotient, and r4 contains the divisor.
+ * On exit, r3 contains the remainder.
+ *
+ * Copyright (C) 2002 Paul Mackerras, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <asm/ppc_asm.h>
+#include <asm/processor.h>
+
+_GLOBAL(__div64_32)
+	lwz	r5,0(r3)	# get the dividend into r5/r6
+	lwz	r6,4(r3)
+	cmplw	r5,r4
+	li	r7,0
+	li	r8,0
+	blt	1f
+	divwu	r7,r5,r4	# if dividend.hi >= divisor,
+	mullw	r0,r7,r4	# quotient.hi = dividend.hi / divisor
+	subf.	r5,r0,r5	# dividend.hi %= divisor
+	beq	3f
+1:	mr	r11,r5		# here dividend.hi != 0
+	andis.	r0,r5,0xc000
+	bne	2f
+	cntlzw	r0,r5		# we are shifting the dividend right
+	li	r10,-1		# to make it < 2^32, and shifting
+	srw	r10,r10,r0	# the divisor right the same amount,
+	add	r9,r4,r10	# rounding up (so the estimate cannot
+	andc	r11,r6,r10	# ever be too large, only too small)
+	andc	r9,r9,r10
+	or	r11,r5,r11
+	rotlw	r9,r9,r0
+	rotlw	r11,r11,r0
+	divwu	r11,r11,r9	# then we divide the shifted quantities
+2:	mullw	r10,r11,r4	# to get an estimate of the quotient,
+	mulhwu	r9,r11,r4	# multiply the estimate by the divisor,
+	subfc	r6,r10,r6	# take the product from the divisor,
+	add	r8,r8,r11	# and add the estimate to the accumulated
+	subfe.	r5,r9,r5	# quotient
+	bne	1b
+3:	cmplw	r6,r4
+	blt	4f
+	divwu	r0,r6,r4	# perform the remaining 32-bit division
+	mullw	r10,r0,r4	# and get the remainder
+	add	r8,r8,r0
+	subf	r6,r10,r6
+4:	stw	r7,0(r3)	# return the quotient in *r3
+	stw	r8,4(r3)
+	mr	r3,r6		# return the remainder in r3
+	blr

arch/ppc/platforms/Makefile

@@ -37,6 +37,7 @@ obj-$(CONFIG_LOPEC)		+= lopec_setup.o lopec_pci.o
 obj-$(CONFIG_MCPN765)		+= mcpn765_setup.o mcpn765_pci.o
 obj-$(CONFIG_MENF1)		+= menf1_setup.o menf1_pci.o
 obj-$(CONFIG_MVME5100)		+= mvme5100_setup.o mvme5100_pci.o
+obj-$(CONFIG_PAL4)		+= pal4_setup.o pal4_pci.o cpc700_pic.o
 obj-$(CONFIG_PCORE)		+= pcore_setup.o pcore_pci.o
 obj-$(CONFIG_POWERPMC250)	+= powerpmc250.o
 obj-$(CONFIG_PPLUS)		+= pplus_pci.o pplus_setup.o

arch/ppc/platforms/pal4.h

+/*
+ * arch/ppc/platforms/pal4.h
+ * 
+ * Definitions for SBS Palomar IV board
+ *
+ * Author: Dan Cox
+ *
+ * Copyright 2002 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __PPC_PLATFORMS_PAL4_H
+#define __PPC_PLATFORMS_PAL4_H
+
+#define PAL4_NVRAM             0xfffc0000
+#define PAL4_NVRAM_SIZE        0x8000
+
+#define PAL4_DRAM              0xfff80000
+#define  PAL4_DRAM_BR_MASK     0xc0
+#define  PAL4_DRAM_BR_SHIFT    6
+#define  PAL4_DRAM_RESET       0x10
+#define  PAL4_DRAM_EREADY      0x40
+
+#define PAL4_MISC              0xfff80004
+#define  PAL4_MISC_FB_MASK     0xc0
+#define  PAL4_MISC_FLASH       0x20  /* StratFlash mapping: 1->0xff80, 0->0xfff0 */
+#define  PAL4_MISC_MISC        0x08
+#define  PAL4_MISC_BITF        0x02
+#define  PAL4_MISC_NVKS        0x01
+
+#define PAL4_L2                0xfff80008
+#define  PAL4_L2_MASK          0x07
+
+#define PAL4_PLDR              0xfff8000c
+
+/* Only two Ethernet devices on the board... */
+#define PAL4_ETH               31
+#define PAL4_INTA              20
+
+#endif /* __PPC_PLATFORMS_PAL4_H */

arch/ppc/platforms/pal4_pci.c

+/*
+ * arch/ppc/platforms/pal4_pci.c
+ * 
+ * PCI support for SBS Palomar IV
+ *
+ * Author: Dan Cox 
+ *
+ * Copyright 2002 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/byteorder.h>
+#include <asm/machdep.h>
+#include <asm/io.h>
+#include <asm/pci-bridge.h>
+#include <asm/uaccess.h>
+
+#include "cpc700.h"
+#include "pal4.h"
+
+/* not much to this.... */
+static inline int __init
+pal4_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
+{
+	if (idsel == 9)
+		return PAL4_ETH;
+	else
+		return PAL4_INTA + (idsel - 3);
+}
+
+void __init
+pal4_find_bridges(void)
+{
+	struct pci_controller *hose;
+
+	hose = pcibios_alloc_controller();
+	if (!hose)
+		return;
+
+	hose->first_busno = 0;
+	hose->last_busno = 0xff;
+	hose->pci_mem_offset = 0;
+
+	/* Could snatch these from the CPC700.... */
+	pci_init_resource(&hose->io_resource,
+			  0x0, 
+			  0x03ffffff,
+			  IORESOURCE_IO,
+			  "PCI host bridge");
+
+	pci_init_resource(&hose->mem_resources[0],
+			  0x90000000,
+			  0x9fffffff,
+			  IORESOURCE_MEM,
+			  "PCI host bridge");
+
+	hose->io_space.start = 0x00800000;
+	hose->io_space.end = 0x03ffffff;
+	hose->mem_space.start = 0x90000000;
+	hose->mem_space.end = 0x9fffffff;
+	hose->io_base_virt = (void *) 0xf8000000;
+	
+	setup_indirect_pci(hose, CPC700_PCI_CONFIG_ADDR,
+			   CPC700_PCI_CONFIG_DATA);
+	
+	hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
+
+	ppc_md.pci_swizzle = common_swizzle;
+	ppc_md.pci_map_irq = pal4_map_irq;
+}

arch/ppc/platforms/pal4_serial.h

+/*
+ * arch/ppc/platforms/pal4_serial.h
+ * 
+ * Definitions for SBS PalomarIV serial support 
+ *
+ * Author: Dan Cox
+ *
+ * Copyright 2002 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __PPC_PAL4_SERIAL_H
+#define __PPC_PAL4_SERIAL_H
+
+#define CPC700_SERIAL_1       0xff600300
+#define CPC700_SERIAL_2       0xff600400
+
+#define RS_TABLE_SIZE     2
+#define BASE_BAUD         (33333333 / 4 / 16)
+
+#ifdef CONFIG_SERIAL_DETECT_IRQ
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST|ASYNC_AUTO_IRQ)
+#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_AUTO_IRQ)
+#else
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
+#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF)
+#endif
+
+#define SERIAL_PORT_DFNS \
+      {0, BASE_BAUD, CPC700_SERIAL_1, 3, STD_COM_FLAGS, \
+       iomem_base: (unsigned char *) CPC700_SERIAL_1, \
+       io_type: SERIAL_IO_MEM},   /* ttyS0 */ \
+      {0, BASE_BAUD, CPC700_SERIAL_2, 4, STD_COM_FLAGS, \
+       iomem_base: (unsigned char *) CPC700_SERIAL_2, \
+       io_type: SERIAL_IO_MEM}
+
+#endif

arch/ppc/platforms/pal4_setup.c

+/*
+ * arch/ppc/platforms/pal4_setup.c
+ *
+ * Board setup routines for the SBS PalomarIV.
+ *
+ * Author: Dan Cox
+ *
+ * Copyright 2002 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/time.h>
+#include <linux/irq.h>
+#include <linux/kdev_t.h>
+#include <linux/blk.h>
+#include <linux/console.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+
+#include <asm/io.h>
+#include <asm/todc.h>
+#include <asm/bootinfo.h>
+
+#include "cpc700.h"
+#include "pal4.h"
+
+extern void pal4_find_bridges(void);
+
+unsigned int cpc700_irq_assigns[][2] = {
+        {1, 1},    /* IRQ 0: ECC correctable error */
+        {1, 1},    /* IRQ 1: PCI write to memory range */
+        {0, 1},    /* IRQ 2: PCI write to command register */
+        {0, 1},    /* IRQ 3: UART 0 */
+        {0, 1},    /* IRQ 4: UART 1 */
+        {0, 1},    /* IRQ 5: ICC 0 */
+        {0, 1},    /* IRQ 6: ICC 1 */
+        {0, 1},    /* IRQ 7: GPT compare 0 */
+        {0, 1},    /* IRQ 8: GPT compare 1 */
+        {0, 1},    /* IRQ 9: GPT compare 2 */
+        {0, 1},    /* IRQ 10: GPT compare 3 */
+        {0, 1},    /* IRQ 11: GPT compare 4 */
+        {0, 1},    /* IRQ 12: GPT capture 0 */
+        {0, 1},    /* IRQ 13: GPT capture 1 */
+        {0, 1},    /* IRQ 14: GPT capture 2 */
+        {0, 1},    /* IRQ 15: GPT capture 3 */
+        {0, 1},    /* IRQ 16: GPT capture 4 */
+        {0, 0},    /* IRQ 17: reserved */
+        {0, 0},    /* IRQ 18: reserved */
+        {0, 0},    /* IRQ 19: reserved */
+        {0, 0},    /* IRQ 20: reserved */
+        {0, 1},    /* IRQ 21: Ethernet */
+        {0, 0},    /* IRQ 22: reserved */
+        {0, 0},    /* IRQ 23: reserved */
+        {0, 0},    /* IRQ 24: resreved */
+        {0, 0},    /* IRQ 25: reserved */
+        {0, 0},    /* IRQ 26: reserved */
+        {0, 0},    /* IRQ 27: reserved */
+        {0, 0},    /* IRQ 28: reserved */
+        {0, 0},    /* IRQ 29: reserved */
+        {0, 0},    /* IRQ 30: reserved */
+        {0, 0},    /* IRQ 31: reserved */
+};
+
+static int
+pal4_show_cpuinfo(struct seq_file *m)
+{
+        seq_printf(m, "board\t\t: SBS Palomar IV\n");
+
+        return 0;
+}
+
+static void
+pal4_restart(char *cmd)
+{
+        __cli();
+        __asm__ __volatile__("lis  3,0xfff0\n \
+                              ori  3,3,0x100\n \
+                              mtspr 26,3\n \
+                              li   3,0\n \
+                              mtspr 27,3\n \
+                              rfi");
+
+        for(;;);
+}
+
+static void
+pal4_power_off(void)
+{
+	__cli();
+	for(;;);
+}
+
+static void
+pal4_halt(void)
+{
+	pal4_power_off();
+}
+
+TODC_ALLOC();
+
+static void __init
+pal4_setup_arch(void)
+{
+	unsigned long l2;
+
+	TODC_INIT(TODC_TYPE_MK48T37, 0, 0, 
+		  ioremap(PAL4_NVRAM, PAL4_NVRAM_SIZE), 8);
+
+	pal4_find_bridges();
+
+#ifdef CONFIG_BLK_DEV_INITRD
+	if (initrd_start)
+		ROOT_DEV = Root_RAM0;
+	else
+#endif
+		ROOT_DEV = Root_NFS;
+
+	/* The L2 gets disabled in the bootloader, but all the proper
+	   bits should be present from the fw, so just re-enable it */
+	l2 = _get_L2CR();
+	if (!(l2 & L2CR_L2E)) {
+		/* presume that it was initially set if the size is
+		   still present. */
+		if (l2 ^ L2CR_L2SIZ_MASK)
+			_set_L2CR(l2 | L2CR_L2E);
+		else
+			printk("L2 not set by firmware; left disabled.\n");
+	}
+}
+
+static void __init
+pal4_map_io(void)
+{
+	io_block_mapping(0xf0000000, 0xf0000000, 0x10000000, _PAGE_IO);
+}
+
+void __init
+platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+	      unsigned long r6, unsigned long r7)
+{
+	parse_bootinfo(find_bootinfo());
+
+	isa_io_base = 0 /*PAL4_ISA_IO_BASE*/;
+	pci_dram_offset = 0 /*PAL4_PCI_SYS_MEM_BASE*/;
+	
+	ppc_md.setup_arch = pal4_setup_arch;
+	ppc_md.show_cpuinfo = pal4_show_cpuinfo;
+	
+	ppc_md.setup_io_mappings = pal4_map_io;
+
+	ppc_md.init_IRQ = cpc700_init_IRQ;
+	ppc_md.get_irq = cpc700_get_irq;
+
+	ppc_md.restart = pal4_restart;
+	ppc_md.halt = pal4_halt;
+	ppc_md.power_off = pal4_power_off;
+
+	ppc_md.time_init = todc_time_init;
+	ppc_md.set_rtc_time = todc_set_rtc_time;
+	ppc_md.get_rtc_time = todc_get_rtc_time;
+	ppc_md.calibrate_decr = todc_calibrate_decr;
+
+	ppc_md.nvram_read_val = todc_direct_read_val;
+	ppc_md.nvram_write_val = todc_direct_write_val;
+}
+

arch/ppc/platforms/pcore_setup.c

@@ -168,13 +168,7 @@ pcore_init_IRQ(void)
 	for ( i = 0 ; i < 16 ; i++ )
 		irq_desc[i].handler = &i8259_pic;
 
-	i8259_init(NULL);
-}
-
-static int
-pcore_get_irq(struct pt_regs *regs)
-{
-	return i8259_poll();
+	i8259_init(0);
 }
 
 /*
@@ -184,9 +178,7 @@ static __inline__ void
 pcore_set_bat(void)
 {
 	unsigned long   bat3u, bat3l;
-	static int	mapping_set = 0;
 
-	if (!mapping_set) {
 	__asm__ __volatile__(
 			" lis %0,0xf000\n \
 			ori %1,%0,0x002a\n \
@@ -196,10 +188,6 @@ pcore_set_bat(void)
 			isync\n \
 			sync "
 			: "=r" (bat3u), "=r" (bat3l));
-
-		mapping_set = 1;
-	}
-	return;
 }
 
 static unsigned long __init
@@ -233,7 +221,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 	ppc_md.setup_arch	= pcore_setup_arch;
 	ppc_md.show_cpuinfo	= pcore_show_cpuinfo;
 	ppc_md.init_IRQ		= pcore_init_IRQ;
-	ppc_md.get_irq		= pcore_get_irq;
+	ppc_md.get_irq		= i8259_irq;
 
 	ppc_md.find_end_of_memory = pcore_find_end_of_memory;
 	ppc_md.setup_io_mappings = pcore_map_io;

arch/ppc/vmlinux.lds.S

@@ -87,9 +87,9 @@ SECTIONS
 
   . = ALIGN(4096);
   __init_begin = .;
-  .text.init : { *(.text.init) }
-  .data.init : { 
-    *(.data.init);
+  .init.text : { *(.init.text) }
+  .init.data : { 
+    *(.init.data);
     __vtop_table_begin = .;
     *(.vtop_fixup);
     __vtop_table_end = .;
@@ -99,7 +99,7 @@ SECTIONS
   }
   . = ALIGN(16);
   __setup_start = .;
-  .setup.init : { *(.setup.init) }
+  .init.setup : { *(.init.setup) }
   __setup_end = .;
   __initcall_start = .;
   .initcall.init : {
@@ -121,29 +121,29 @@ SECTIONS
 
   . = ALIGN(4096);
   __pmac_begin = .;
-  .text.pmac : { *(.text.pmac) }
-  .data.pmac : { *(.data.pmac) }
+  .pmac.text : { *(.pmac.text) }
+  .pmac.data : { *(.pmac.data) }
   . = ALIGN(4096);
   __pmac_end = .;
 
   . = ALIGN(4096);
   __prep_begin = .;
-  .text.prep : { *(.text.prep) }
-  .data.prep : { *(.data.prep) }
+  .prep.text : { *(.prep.text) }
+  .prep.data : { *(.prep.data) }
   . = ALIGN(4096);
   __prep_end = .;
 
   . = ALIGN(4096);
   __chrp_begin = .;
-  .text.chrp : { *(.text.chrp) }
-  .data.chrp : { *(.data.chrp) }
+  .chrp.text : { *(.chrp.text) }
+  .chrp.data : { *(.chrp.data) }
   . = ALIGN(4096);
   __chrp_end = .;
 
   . = ALIGN(4096);
   __openfirmware_begin = .;
-  .text.openfirmware : { *(.text.openfirmware) }
-  .data.openfirmware : { *(.data.openfirmware) }
+  .openfirmware.text : { *(.openfirmware.text) }
+  .openfirmware.data : { *(.openfirmware.data) }
   . = ALIGN(4096);
   __openfirmware_end = .;
 

include/asm-ppc/div64.h

 #ifndef __PPC_DIV64
 #define __PPC_DIV64
 
-#define do_div(n,base) ({ \
-int __res; \
-__res = ((unsigned long) n) % (unsigned) base; \
-n = ((unsigned long) n) / (unsigned) base; \
-__res; })
+#include <linux/types.h>
+
+extern u32 __div64_32(u64 *dividend, u32 div);
+
+#define do_div(n, div)	({			\
+	u64 __n = (n);				\
+	u32 __d = (div);			\
+	u32 __q, __r;				\
+	if ((__n >> 32) == 0) {			\
+		__q = (u32)__n / __d;		\
+		__r = (u32)__n - __q * __d;	\
+		(n) = __q;			\
+	} else {				\
+		__r = __div64_32(&__n, __d);	\
+		(n) = __n;			\
+	}					\
+	__r;					\
+})
 
 #endif

include/asm-ppc/pci-bridge.h

@@ -68,6 +68,11 @@ struct pci_controller {
 	struct pci_ops *ops;
 	volatile unsigned int *cfg_addr;
 	volatile unsigned char *cfg_data;
+	/*
+	 * If set, indirect method will set the cfg_type bit as
+	 * needed to generate type 1 configuration transactions.
+	 */
+	int set_cfg_type;
 
 	/* Currently, we limit ourselves to 1 IO range and 3 mem
 	 * ranges since the common pci_bus structure can't handle more

include/asm-ppc/sections.h

@@ -2,27 +2,27 @@
 #ifndef _PPC_SECTIONS_H
 #define _PPC_SECTIONS_H
 
-#define __pmac __attribute__ ((__section__ (".text.pmac")))
-#define __pmacdata __attribute__ ((__section__ (".data.pmac")))
+#define __pmac __attribute__ ((__section__ (".pmac.text")))
+#define __pmacdata __attribute__ ((__section__ (".pmac.data")))
 #define __pmacfunc(__argpmac) \
 	__argpmac __pmac; \
 	__argpmac
 	
-#define __prep __attribute__ ((__section__ (".text.prep")))
-#define __prepdata __attribute__ ((__section__ (".data.prep")))
+#define __prep __attribute__ ((__section__ (".prep.text")))
+#define __prepdata __attribute__ ((__section__ (".prep.data")))
 #define __prepfunc(__argprep) \
 	__argprep __prep; \
 	__argprep
 
-#define __chrp __attribute__ ((__section__ (".text.chrp")))
-#define __chrpdata __attribute__ ((__section__ (".data.chrp")))
+#define __chrp __attribute__ ((__section__ (".chrp.text")))
+#define __chrpdata __attribute__ ((__section__ (".chrp.data")))
 #define __chrpfunc(__argchrp) \
 	__argchrp __chrp; \
 	__argchrp
 
 /* this is actually just common chrp/pmac code, not OF code -- Cort */
-#define __openfirmware __attribute__ ((__section__ (".text.openfirmware")))
-#define __openfirmwaredata __attribute__ ((__section__ (".data.openfirmware")))
+#define __openfirmware __attribute__ ((__section__ (".openfirmware.text")))
+#define __openfirmwaredata __attribute__ ((__section__ (".openfirmware.data")))
 #define __openfirmwarefunc(__argopenfirmware) \
 	__argopenfirmware __openfirmware; \
 	__argopenfirmware

include/asm-ppc/system.h

@@ -119,14 +119,14 @@ extern void __xchg_called_with_bad_pointer(void);
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 #define tas(ptr) (xchg((ptr),1))
 
-static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
 {
 	switch (size) {
 	case 4:
-		return (unsigned long )xchg_u32(ptr, x);
+		return (unsigned long) xchg_u32(ptr, x);
 #if 0	/* xchg_u64 doesn't exist on 32-bit PPC */
 	case 8:
-		return (unsigned long )xchg_u64(ptr, x);
+		return (unsigned long) xchg_u64(ptr, x);
 #endif /* 0 */
 	}
 	__xchg_called_with_bad_pointer();