[PATCH] ppc: Remove powermac support from ARCH=ppc (a7fdd90b) · Commits · e / devices / android_kernel_xiaomi_markw

arch/ppc/Kconfig

+22 −51

Original line number	Diff line number	Diff line
		@@ -58,11 +58,11 @@ config 6xx
		help
		There are four types of PowerPC chips supported. The more common
		types (601, 603, 604, 740, 750, 7400), the Motorola embedded
		versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the IBM embedded
		versions (403 and 405) and the high end 64 bit Power processors
		(POWER 3, POWER4, and IBM 970 also known as G5)
		versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the IBM
		embedded versions (403 and 405) and the POWER3 processor.
		(For support for more recent 64-bit processors, set ARCH=powerpc.)
		Unless you are building a kernel for one of the embedded processor
		systems, 64 bit IBM RS/6000 or an Apple G5, choose 6xx.
		systems or a POWER3-based IBM RS/6000, choose 6xx.
		Note that the kernel runs in 32-bit mode even on 64-bit chips.
		Also note that because the 52xx, 82xx, & 83xx family has a 603e core,
		specific support for that chipset is asked later on.
		@@ -77,10 +77,6 @@ config POWER3
		select PPC_FPU
		bool "POWER3"

		config POWER4
		select PPC_FPU
		bool "POWER4 and 970 (G5)"

		config 8xx
		bool "8xx"

		@@ -123,7 +119,7 @@ config PHYS_64BIT

		config ALTIVEC
		bool "AltiVec Support"
		depends on 6xx \|\| POWER4
		depends on 6xx
		depends on !8260 && !83xx
		---help---
		This option enables kernel support for the Altivec extensions to the
		@@ -235,18 +231,9 @@ config KEXEC

		source "drivers/cpufreq/Kconfig"

		config CPU_FREQ_PMAC
		bool "Support for Apple PowerBooks"
		depends on CPU_FREQ && ADB_PMU
		select CPU_FREQ_TABLE
		help
		This adds support for frequency switching on Apple PowerBooks,
		this currently includes some models of iBook & Titanium
		PowerBook.

		config PPC601_SYNC_FIX
		bool "Workarounds for PPC601 bugs"
		depends on 6xx && (PPC_PREP \|\| PPC_PMAC)
		depends on 6xx && PPC_PREP
		help
		Some versions of the PPC601 (the first PowerPC chip) have bugs which
		mean that extra synchronization instructions are required near
		@@ -258,26 +245,17 @@ config PPC601_SYNC_FIX

		If in doubt, say Y here.

		config HOTPLUG_CPU
		bool "Support for enabling/disabling CPUs"
		depends on SMP && HOTPLUG && EXPERIMENTAL && PPC_PMAC
		---help---
		Say Y here to be able to disable and re-enable individual
		CPUs at runtime on SMP machines.

		Say N if you are unsure.

		source arch/ppc/platforms/4xx/Kconfig
		source arch/ppc/platforms/85xx/Kconfig

		config PPC64BRIDGE
		bool
		depends on POWER3 \|\| POWER4
		depends on POWER3
		default y

		config PPC_STD_MMU
		bool
		depends on 6xx \|\| POWER3 \|\| POWER4
		depends on 6xx \|\| POWER3
		default y

		config NOT_COHERENT_CACHE
		@@ -505,7 +483,7 @@ endchoice

		choice
		prompt "Machine Type"
		depends on 6xx \|\| POWER3 \|\| POWER4
		depends on 6xx \|\| POWER3
		default PPC_MULTIPLATFORM
		---help---
		Linux currently supports several different kinds of PowerPC-based
		@@ -516,11 +494,15 @@ choice
		Platform) machines (including all of the recent IBM RS/6000 and
		pSeries machines), and several embedded PowerPC systems containing
		4xx, 6xx, 7xx, 8xx, 74xx, and 82xx processors. Currently, the
		default option is to build a kernel which works on the first three.
		default option is to build a kernel which works on PReP and CHRP.

		Select CHRP/PowerMac/PReP if configuring for an IBM RS/6000 or
		pSeries machine, a Power Macintosh (including iMacs, iBooks and
		Powerbooks), or a PReP machine.
		Note that support for Apple machines is now only available with
		ARCH=powerpc, and has been removed from this menu. If you wish
		to build a kernel for an Apple machine, exit this configuration
		process and re-run it with ARCH=powerpc.

		Select CHRP/PReP if configuring for an IBM RS/6000 or
		pSeries machine, or a PReP machine.

		Select Gemini if configuring for a Synergy Microsystems' Gemini
		series Single Board Computer. More information is available at:
		@@ -530,7 +512,7 @@ choice
		available at: <http://linux-apus.sourceforge.net/>.

		config PPC_MULTIPLATFORM
		bool "CHRP/PowerMac/PReP"
		bool "CHRP/PReP"

		config APUS
		bool "Amiga-APUS"
		@@ -768,25 +750,14 @@ config CPM2
		on it (826x, 827x, 8560).

		config PPC_CHRP
		bool
		bool "Support for CHRP (Common Hardware Reference Platform) machines"
		depends on PPC_MULTIPLATFORM
		select PPC_I8259
		select PPC_INDIRECT_PCI
		default y

		config PPC_PMAC
		bool
		depends on PPC_MULTIPLATFORM
		select PPC_INDIRECT_PCI
		default y

		config PPC_PMAC64
		bool
		depends on PPC_PMAC && POWER4
		default y

		config PPC_PREP
		bool
		bool "Support for PReP (PowerPC Reference Platform) machines"
		depends on PPC_MULTIPLATFORM
		select PPC_I8259
		select PPC_INDIRECT_PCI
		@@ -794,7 +765,7 @@ config PPC_PREP

		config PPC_OF
		bool
		depends on PPC_PMAC \|\| PPC_CHRP
		depends on PPC_CHRP
		default y

		config PPC_GEN550
		@@ -1166,7 +1137,7 @@ config ISA

		config GENERIC_ISA_DMA
		bool
		depends on POWER3 \|\| POWER4 \|\| 6xx && !CPM2
		depends on POWER3 \|\| 6xx && !CPM2
		default y

		config PPC_I8259

arch/ppc/boot/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -18,7 +18,7 @@ BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
		bootdir-y := simple
		bootdir-$(CONFIG_PPC_OF) += openfirmware
		subdir-y := lib common images
		subdir-$(CONFIG_PPC_OF) += of1275
		subdir-$(CONFIG_PPC_MULTIPLATFORM) += of1275

		# for cleaning
		subdir- += simple openfirmware

arch/ppc/boot/openfirmware/Makefile

+9 −87

Original line number	Diff line number	Diff line
		@@ -21,26 +21,16 @@ bootlib := $(boot)/lib
		of1275 := $(boot)/of1275
		images := $(boot)/images

		OBJCOPY_ARGS := -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
		COFF_LD_ARGS := -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00500000 \
		-Bstatic
		CHRP_LD_ARGS := -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00800000
		NEWWORLD_LD_ARGS:= -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x01000000

		COMMONOBJS := start.o misc.o common.o
		COFFOBJS := coffcrt0.o $(COMMONOBJS) coffmain.o
		CHRPOBJS := crt0.o $(COMMONOBJS) chrpmain.o
		NEWWORLDOBJS := crt0.o $(COMMONOBJS) newworldmain.o

		targets := $(COFFOBJS) $(CHRPOBJS) $(NEWWORLDOBJS) dummy.o
		COFFOBJS := $(addprefix $(obj)/, $(COFFOBJS))
		targets := $(CHRPOBJS) dummy.o
		CHRPOBJS := $(addprefix $(obj)/, $(CHRPOBJS))
		NEWWORLDOBJS := $(addprefix $(obj)/, $(NEWWORLDOBJS))

		LIBS := lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a

		HACKCOFF := $(utils)/hack-coff

		ifdef CONFIG_SMP
		END := .smp
		endif
		@@ -72,56 +62,11 @@ targets += image.initrd.o
		$(obj)/image.initrd.o: $(obj)/image.o $(images)/ramdisk.image.gz FORCE
		$(call if_changed,genimage-initrd)

		# Create the note section for New-World PowerMacs.
		quiet_cmd_mknote = MKNOTE $@
		cmd_mknote = $(utils)/mknote > $@
		targets += note
		$(obj)/note: $(utils)/mknote FORCE
		$(call if_changed,mknote)


		$(obj)/coffcrt0.o: EXTRA_AFLAGS := -DXCOFF
		targets += coffcrt0.o crt0.o
		$(obj)/coffcrt0.o $(obj)/crt0.o: $(common)/crt0.S FORCE
		targets += crt0.o
		$(obj)/crt0.o: $(common)/crt0.S FORCE
		$(call if_changed_dep,as_o_S)

		quiet_cmd_gencoffb = COFF $@
		cmd_gencoffb = $(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) $< $(LIBS) && \
		$(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec)
		targets += coffboot
		$(obj)/coffboot: $(obj)/image.o $(COFFOBJS) $(LIBS) $(srctree)/$(boot)/ld.script FORCE
		$(call if_changed,gencoffb)
		targets += coffboot.initrd
		$(obj)/coffboot.initrd: $(obj)/image.initrd.o $(COFFOBJS) $(LIBS) \
		$(srctree)/$(boot)/ld.script FORCE
		$(call if_changed,gencoffb)


		quiet_cmd_gen-coff = COFF $@
		cmd_gen-coff = $(OBJCOPY) $(OBJCOPY_ARGS) $< $@ && \
		$(HACKCOFF) $@ && \
		ln -sf $(notdir $@) $(images)/zImage$(initrd).pmac

		$(images)/vmlinux.coff: $(obj)/coffboot
		$(call cmd,gen-coff)

		$(images)/vmlinux.initrd.coff: $(obj)/coffboot.initrd
		$(call cmd,gen-coff)

		quiet_cmd_gen-elf-pmac = ELF $@
		cmd_gen-elf-pmac = $(LD) $(NEWWORLD_LD_ARGS) -o $@ \
		$(NEWWORLDOBJS) $(LIBS) $< && \
		$(OBJCOPY) $@ $@ --add-section=.note=$(obj)/note \
		-R .comment $(del-ramdisk-sec)

		$(images)/vmlinux.elf-pmac: $(obj)/image.o $(NEWWORLDOBJS) $(LIBS) \
		$(obj)/note $(srctree)/$(boot)/ld.script
		$(call cmd,gen-elf-pmac)
		$(images)/vmlinux.initrd.elf-pmac: $(obj)/image.initrd.o $(NEWWORLDOBJS) \
		$(LIBS) $(obj)/note \
		$(srctree)/$(boot)/ld.script
		$(call cmd,gen-elf-pmac)

		quiet_cmd_gen-chrp = CHRP $@
		cmd_gen-chrp = $(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) $< $(LIBS) && \
		$(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec)
		@@ -139,46 +84,23 @@ $(images)/zImage.chrp-rs6k $(images)/zImage.initrd.chrp-rs6k: \
		%-rs6k: %
		$(call cmd,addnote)

		quiet_cmd_gen-miboot = GEN $@
		cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_ARGS) \
		--add-section=$1=$(word 2, $^) $< $@
		$(images)/miboot.image: $(obj)/dummy.o $(images)/vmlinux.gz
		$(call cmd,gen-miboot,image)

		$(images)/miboot.initrd.image: $(images)/miboot.image $(images)/ramdisk.image.gz
		$(call cmd,gen-miboot,initrd)

		# The targets used on the make command-line

		.PHONY: zImage zImage.initrd
		zImage: $(images)/vmlinux.coff \
		$(images)/vmlinux.elf-pmac \
		$(images)/zImage.chrp \
		$(images)/zImage.chrp-rs6k \
		$(images)/miboot.image
		zImage: $(images)/zImage.chrp \
		$(images)/zImage.chrp-rs6k
		@echo ' kernel: $@ is ready ($<)'
		zImage.initrd: $(images)/vmlinux.initrd.coff \
		$(images)/vmlinux.initrd.elf-pmac \
		$(images)/zImage.initrd.chrp \
		$(images)/zImage.initrd.chrp-rs6k \
		$(images)/miboot.initrd.image
		zImage.initrd: $(images)/zImage.initrd.chrp \
		$(images)/zImage.initrd.chrp-rs6k
		@echo ' kernel: $@ is ready ($<)'

		TFTPIMAGE := /tftpboot/zImage

		.PHONY: znetboot znetboot.initrd
		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
		znetboot: $(images)/zImage.chrp
		cp $(images)/zImage.chrp $(TFTPIMAGE).chrp$(END)
		@echo ' kernel: $@ is ready ($<)'
		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
		znetboot.initrd:$(images)/zImage.initrd.chrp
		cp $(images)/zImage.initrd.chrp $(TFTPIMAGE).chrp$(END)
		@echo ' kernel: $@ is ready ($<)'

arch/ppc/boot/openfirmware/coffmain.c

deleted100644 → 0

+0 −101

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) Paul Mackerras 1997.
		*
		* 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/string.h>
		#include <asm/processor.h>
		#include <asm/page.h>

		#include "nonstdio.h"
		#include "of1275.h"

		/* Passed from the linker */
		extern char __image_begin, __image_end;
		extern char __ramdisk_begin[], __ramdisk_end;
		extern char _start, _end;

		extern char image_data[], initrd_data[];
		extern int initrd_len, image_len;
		extern unsigned int heap_max;
		extern void flush_cache(void *start, unsigned int len);
		extern void gunzip(void , int, unsigned char , int *);
		extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach,
		unsigned int progend);
		extern void setup_bats(unsigned long start);

		char *avail_ram;
		char begin_avail, end_avail;
		char *avail_high;

		#define SCRATCH_SIZE (128 << 10)

		static char heap[SCRATCH_SIZE];

		static unsigned long ram_start = 0;
		static unsigned long ram_end = 0x1000000;

		static unsigned long prog_start = 0x800000;
		static unsigned long prog_size = 0x700000;

		typedef void (kernel_start_t)(int, int, void );

		void boot(int a1, int a2, void *prom)
		{
		unsigned sa, len;
		void *dst;
		unsigned char *im;
		unsigned initrd_start, initrd_size;

		printf("coffboot starting: loaded at 0x%p\n", &_start);
		setup_bats(ram_start);

		initrd_size = (char )(&__ramdisk_end) - (char )(&__ramdisk_begin);
		if (initrd_size) {
		initrd_start = (ram_end - initrd_size) & ~0xFFF;
		a1 = initrd_start;
		a2 = initrd_size;
		claim(initrd_start, ram_end - initrd_start, 0);
		printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r",
		initrd_start, (char *)(&__ramdisk_begin), initrd_size);
		memcpy((char )initrd_start, (char )(&__ramdisk_begin), initrd_size);
		prog_size = initrd_start - prog_start;
		} else
		a2 = 0xdeadbeef;

		im = (char *)(&__image_begin);
		len = (char )(&__image_end) - (char )(&__image_begin);
		/* claim 4MB starting at PROG_START */
		claim(prog_start, prog_size, 0);
		map(prog_start, prog_start, prog_size);
		dst = (void *) prog_start;
		if (im[0] == 0x1f && im[1] == 0x8b) {
		/* set up scratch space */
		begin_avail = avail_high = avail_ram = heap;
		end_avail = heap + sizeof(heap);
		printf("heap at 0x%p\n", avail_ram);
		printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len);
		gunzip(dst, prog_size, im, &len);
		printf("done %u bytes\n", len);
		printf("%u bytes of heap consumed, max in use %u\n",
		avail_high - begin_avail, heap_max);
		} else {
		memmove(dst, im, len);
		}

		flush_cache(dst, len);
		make_bi_recs(((unsigned long) dst + len), "coffboot", _MACH_Pmac,
		(prog_start + prog_size));

		sa = (unsigned long)prog_start;
		printf("start address = 0x%x\n", sa);

		(*(kernel_start_t)sa)(a1, a2, prom);

		printf("returned?\n");

		pause();
		}

arch/ppc/boot/openfirmware/newworldmain.c

deleted100644 → 0

+0 −94

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) Paul Mackerras 1997.
		*
		* 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/string.h>
		#include "nonstdio.h"
		#include "of1275.h"
		#include <asm/processor.h>
		#include <asm/page.h>

		/* Passed from the linker */
		extern char __image_begin, __image_end;
		extern char __ramdisk_begin[], __ramdisk_end;
		extern char _start, _end;

		extern unsigned int heap_max;
		extern void flush_cache(void *start, unsigned int len);
		extern void gunzip(void , int, unsigned char , int *);
		extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach,
		unsigned int progend);

		char *avail_ram;
		char begin_avail, end_avail;
		char *avail_high;


		#define RAM_END (16 << 20)

		#define PROG_START 0x00010000
		#define PROG_SIZE 0x007f0000

		#define SCRATCH_SIZE (128 << 10)

		typedef void (kernel_start_t)(int, int, void );

		void boot(int a1, int a2, void *prom)
		{
		unsigned sa, len;
		void *dst;
		unsigned char *im;
		unsigned initrd_start, initrd_size;

		printf("chrpboot starting: loaded at 0x%p\n", &_start);

		initrd_size = (char )(&__ramdisk_end) - (char )(&__ramdisk_begin);
		if (initrd_size) {
		initrd_start = (RAM_END - initrd_size) & ~0xFFF;
		a1 = initrd_start;
		a2 = initrd_size;
		claim(initrd_start, RAM_END - initrd_start, 0);
		printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r",
		initrd_start, (char *)(&__ramdisk_begin), initrd_size);
		memcpy((char )initrd_start, (char )(&__ramdisk_begin), initrd_size);
		} else
		a2 = 0xdeadbeef;

		im = (char *)(&__image_begin);
		len = (char )(&__image_end) - (char )(&__image_begin);
		/* claim 3MB starting at PROG_START */
		claim(PROG_START, PROG_SIZE, 0);
		dst = (void *) PROG_START;
		if (im[0] == 0x1f && im[1] == 0x8b) {
		/* claim some memory for scratch space */
		avail_ram = (char *) claim(0, SCRATCH_SIZE, 0x10);
		begin_avail = avail_high = avail_ram;
		end_avail = avail_ram + SCRATCH_SIZE;
		printf("heap at 0x%p\n", avail_ram);
		printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len);
		gunzip(dst, PROG_SIZE, im, &len);
		printf("done %u bytes\n", len);
		printf("%u bytes of heap consumed, max in use %u\n",
		avail_high - begin_avail, heap_max);
		release(begin_avail, SCRATCH_SIZE);
		} else {
		memmove(dst, im, len);
		}

		flush_cache(dst, len);
		make_bi_recs(((unsigned long) dst + len), "chrpboot", _MACH_Pmac,
		(PROG_START + PROG_SIZE));

		sa = (unsigned long)PROG_START;
		printf("start address = 0x%x\n", sa);

		(*(kernel_start_t)sa)(a1, a2, prom);

		printf("returned?\n");

		pause();
		}