diff options
Diffstat (limited to 'arch/powerpc/boot')
47 files changed, 1965 insertions, 433 deletions
diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore index 0734b2f..eec7af7 100644 --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -18,6 +18,9 @@ kernel-vmlinux.strip.c kernel-vmlinux.strip.gz mktree uImage +cuImage +cuImage.bin.gz +cuImage.elf zImage zImage.chrp zImage.coff diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index dc77940..3716594 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -40,10 +40,11 @@ zliblinuxheader := zlib.h zconf.h zutil.h $(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) \ $(addprefix $(obj)/,$(zlibheader)) -src-wlib := string.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ - ns16550.c serial.c simple_alloc.c div64.S util.S $(zlib) -src-plat := of.c -src-boot := crt0.S $(src-wlib) $(src-plat) empty.c +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 +src-plat := of.c cuboot-83xx.c cuboot-85xx.c +src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) obj-boot := $(addsuffix .o, $(basename $(src-boot))) @@ -75,7 +76,7 @@ $(obj)/zImage.lds $(obj)/zImage.coff.lds: $(obj)/%: $(srctree)/$(src)/%.S @cp $< $@ clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \ - empty.c zImage zImage.coff.lds zImage.lds zImage.sandpoint + empty.c zImage.coff.lds zImage.lds quiet_cmd_bootcc = BOOTCC $@ cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $< @@ -84,23 +85,25 @@ quiet_cmd_bootas = BOOTAS $@ cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< quiet_cmd_bootar = BOOTAR $@ - cmd_bootar = $(CROSS32AR) -cr $@.$$$$ $^; mv $@.$$$$ $@ + cmd_bootar = $(CROSS32AR) -cr $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ -$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c +$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE $(call if_changed_dep,bootcc) -$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S +$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE $(call if_changed_dep,bootas) -$(obj)/wrapper.a: $(obj-wlib) - $(call cmd,bootar) +$(obj)/wrapper.a: $(obj-wlib) FORCE + $(call if_changed,bootar) hostprogs-y := addnote addRamDisk hack-coff mktree -extra-y := $(obj)/crt0.o $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ +targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) +extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ $(obj)/zImage.lds $(obj)/zImage.coff.lds wrapper :=$(srctree)/$(src)/wrapper -wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) +wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \ + $(wrapper) FORCE ############# # Bits for building various flavours of zImage @@ -113,50 +116,10 @@ CROSSWRAP := -C "$(CROSS_COMPILE)" endif endif +# args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd quiet_cmd_wrap = WRAP $@ - cmd_wrap =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) vmlinux -quiet_cmd_wrap_initrd = WRAP $@ - cmd_wrap_initrd =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \ - -i $(obj)/ramdisk.image.gz vmlinux - -$(obj)/zImage.chrp: vmlinux $(wrapperbits) - $(call cmd,wrap,chrp) - -$(obj)/zImage.initrd.chrp: vmlinux $(wrapperbits) - $(call cmd,wrap_initrd,chrp) - -$(obj)/zImage.pseries: vmlinux $(wrapperbits) - $(call cmd,wrap,pseries) - -$(obj)/zImage.initrd.pseries: vmlinux $(wrapperbits) - $(call cmd,wrap_initrd,pseries) - -$(obj)/zImage.pmac: vmlinux $(wrapperbits) - $(call cmd,wrap,pmac) - -$(obj)/zImage.initrd.pmac: vmlinux $(wrapperbits) - $(call cmd,wrap_initrd,pmac) - -$(obj)/zImage.coff: vmlinux $(wrapperbits) - $(call cmd,wrap,pmaccoff) - -$(obj)/zImage.initrd.coff: vmlinux $(wrapperbits) - $(call cmd,wrap_initrd,pmaccoff) - -$(obj)/zImage.miboot: vmlinux $(wrapperbits) - $(call cmd,wrap,miboot) - -$(obj)/zImage.initrd.miboot: vmlinux $(wrapperbits) - $(call cmd,wrap_initrd,miboot) - -$(obj)/zImage.ps3: vmlinux - $(STRIP) -s -R .comment $< -o $@ - -$(obj)/zImage.initrd.ps3: vmlinux - @echo " WARNING zImage.initrd.ps3 not supported (yet)" - -$(obj)/uImage: vmlinux $(wrapperbits) - $(call cmd,wrap,uboot) + cmd_wrap =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \ + $(if $3, -s $3)$(if $4, -d $4)$(if $5, -i $5) vmlinux image-$(CONFIG_PPC_PSERIES) += zImage.pseries image-$(CONFIG_PPC_MAPLE) += zImage.pseries @@ -166,7 +129,7 @@ image-$(CONFIG_PPC_CELLEB) += zImage.pseries image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp image-$(CONFIG_PPC_PMAC) += zImage.pmac -image-$(CONFIG_DEFAULT_UIMAGE) += uImage +image-$(CONFIG_DEFAULT_UIMAGE) += uImage cuImage # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. @@ -174,16 +137,55 @@ ifeq ($(CONFIG_PPC32),y) image-$(CONFIG_PPC_PMAC) += zImage.coff zImage.miboot endif +initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-)) initrd-y := $(patsubst zImage%, zImage.initrd%, $(image-y)) +initrd-y := $(filter-out $(image-y), $(initrd-y)) +targets += $(image-y) $(initrd-y) + +$(addprefix $(obj)/, $(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.initrd.%: vmlinux $(wrapperbits) + $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz) + +$(obj)/zImage.%: vmlinux $(wrapperbits) + $(call if_changed,wrap,$*) + +$(obj)/zImage.ps3: vmlinux + $(STRIP) -s -R .comment $< -o $@ + +$(obj)/zImage.initrd.ps3: vmlinux + @echo " WARNING zImage.initrd.ps3 not supported (yet)" + +$(obj)/uImage: vmlinux $(wrapperbits) + $(call if_changed,wrap,uboot) + +cuboot-plat-$(CONFIG_83xx) += 83xx +cuboot-plat-$(CONFIG_85xx) += 85xx +cuboot-plat-y += unknown-platform + +dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ + ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE) + +$(obj)/cuImage: vmlinux $(wrapperbits) + $(call if_changed,wrap,cuboot-$(word 1,$(cuboot-plat-y)),$(dts)) $(obj)/zImage: $(addprefix $(obj)/, $(image-y)) @rm -f $@; ln $< $@ $(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y)) @rm -f $@; ln $< $@ -install: $(CONFIGURE) $(image-y) +install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $< -clean-files += $(addprefix $(objtree)/, $(obj-boot) vmlinux.strip.gz) -clean-files += $(addprefix $(objtree)/, $(obj-boot) vmlinux.bin.gz) -clean-files += $(image-) +# anything not in $(targets) +clean-files += $(image-) $(initrd-) zImage zImage.initrd \ + cuImage.elf cuImage.bin.gz + +# clean up files cached by wrapper +clean-kernel := vmlinux.strip vmlinux.bin +clean-kernel += $(addsuffix .gz,$(clean-kernel)) +# If not absolute clean-files are relative to $(obj). +clean-files += $(addprefix $(objtree)/, $(clean-kernel)) diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S index 70e65b1..5a4215c 100644 --- a/arch/powerpc/boot/crt0.S +++ b/arch/powerpc/boot/crt0.S @@ -16,8 +16,11 @@ _zimage_start_opd: .long _zimage_start, 0, 0, 0 + .weak _zimage_start .globl _zimage_start _zimage_start: + .globl _zimage_start_lib +_zimage_start_lib: /* Work out the offset between the address we were linked at and the address where we're running. */ bl 1f @@ -44,7 +47,7 @@ _zimage_start: addi r9,r9,4 bdnz 2b - /* Do a cache flush for our text, in case OF didn't */ + /* Do a cache flush for our text, in case the loader didn't */ 3: lis r9,_start@ha addi r9,r9,_start@l add r9,r0,r9 @@ -59,6 +62,34 @@ _zimage_start: sync isync - mr r6,r1 - b start + /* Clear the BSS */ + lis r9,__bss_start@ha + addi r9,r9,__bss_start@l + add r9,r0,r9 + lis r8,_end@ha + addi r8,r8,_end@l + add r8,r0,r8 + li r10,0 +5: stw r10,0(r9) + addi r9,r9,4 + cmplw cr0,r9,r8 + blt 5b + /* Possibly set up a custom stack */ +.weak _platform_stack_top + lis r8,_platform_stack_top@ha + addi r8,r8,_platform_stack_top@l + cmpwi r8,0 + beq 6f + add r8,r0,r8 + lwz r1,0(r8) + add r1,r0,r1 + li r0,0 + stwu r0,-16(r1) /* establish a stack frame */ +6: + + /* Call platform_init() */ + bl platform_init + + /* Call start */ + b start diff --git a/arch/powerpc/boot/cuboot-83xx.c b/arch/powerpc/boot/cuboot-83xx.c new file mode 100644 index 0000000..6cbc20a --- /dev/null +++ b/arch/powerpc/boot/cuboot-83xx.c @@ -0,0 +1,68 @@ +/* + * Old U-boot compatibility for 83xx + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" + +#define TARGET_83xx +#include "ppcboot.h" + +static bd_t bd; +extern char _end[]; +extern char _dtb_start[], _dtb_end[]; + +static void platform_fixups(void) +{ + void *soc; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); + + /* Unfortunately, the specific model number is encoded in the + * soc node name in existing dts files -- once that is fixed, + * this can do a simple path lookup. + */ + soc = find_node_by_devtype(NULL, "soc"); + if (soc) { + void *serial = NULL; + + setprop(soc, "bus-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + + while ((serial = find_node_by_devtype(serial, "serial"))) { + if (get_parent(serial) != soc) + continue; + + setprop(serial, "clock-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + } + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + memcpy(&bd, (bd_t *)r3, sizeof(bd)); + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); + platform_ops.fixups = platform_fixups; +} diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c new file mode 100644 index 0000000..f88ba00 --- /dev/null +++ b/arch/powerpc/boot/cuboot-85xx.c @@ -0,0 +1,69 @@ +/* + * Old U-boot compatibility for 85xx + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" + +#define TARGET_85xx +#include "ppcboot.h" + +static bd_t bd; +extern char _end[]; +extern char _dtb_start[], _dtb_end[]; + +static void platform_fixups(void) +{ + void *soc; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr, + bd.bi_enet2addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); + + /* Unfortunately, the specific model number is encoded in the + * soc node name in existing dts files -- once that is fixed, + * this can do a simple path lookup. + */ + soc = find_node_by_devtype(NULL, "soc"); + if (soc) { + void *serial = NULL; + + setprop(soc, "bus-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + + while ((serial = find_node_by_devtype(serial, "serial"))) { + if (get_parent(serial) != soc) + continue; + + setprop(serial, "clock-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + } + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + memcpy(&bd, (bd_t *)r3, sizeof(bd)); + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); + platform_ops.fixups = platform_fixups; +} diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c new file mode 100644 index 0000000..c995155 --- /dev/null +++ b/arch/powerpc/boot/devtree.c @@ -0,0 +1,307 @@ +/* + * devtree.c - convenience functions for device tree manipulation + * Copyright 2007 David Gibson, IBM Corporation. + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * Authors: David Gibson <david@gibson.dropbear.id.au> + * Scott Wood <scottwood@freescale.com> + * + * 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 <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "string.h" +#include "stdio.h" +#include "ops.h" + +void dt_fixup_memory(u64 start, u64 size) +{ + void *root, *memory; + int naddr, nsize, i; + u32 memreg[4]; + + root = finddevice("/"); + if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0) + naddr = 2; + if (naddr < 1 || naddr > 2) + fatal("Can't cope with #address-cells == %d in /\n\r", naddr); + + if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0) + nsize = 1; + if (nsize < 1 || nsize > 2) + fatal("Can't cope with #size-cells == %d in /\n\r", nsize); + + i = 0; + if (naddr == 2) + memreg[i++] = start >> 32; + memreg[i++] = start & 0xffffffff; + if (nsize == 2) + memreg[i++] = size >> 32; + memreg[i++] = size & 0xffffffff; + + memory = finddevice("/memory"); + if (! memory) { + memory = create_node(NULL, "memory"); + setprop_str(memory, "device_type", "memory"); + } + + printf("Memory <- <0x%x", memreg[0]); + for (i = 1; i < (naddr + nsize); i++) + printf(" 0x%x", memreg[i]); + printf("> (%ldMB)\n\r", (unsigned long)(size >> 20)); + + setprop(memory, "reg", memreg, (naddr + nsize)*sizeof(u32)); +} + +#define MHZ(x) ((x + 500000) / 1000000) + +void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus) +{ + void *devp = NULL; + + printf("CPU clock-frequency <- 0x%x (%dMHz)\n\r", cpu, MHZ(cpu)); + printf("CPU timebase-frequency <- 0x%x (%dMHz)\n\r", tb, MHZ(tb)); + if (bus > 0) + printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus)); + + while ((devp = find_node_by_devtype(devp, "cpu"))) { + setprop_val(devp, "clock-frequency", cpu); + setprop_val(devp, "timebase-frequency", tb); + if (bus > 0) + setprop_val(devp, "bus-frequency", bus); + } +} + +void dt_fixup_clock(const char *path, u32 freq) +{ + void *devp = finddevice(path); + + if (devp) { + printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq)); + setprop_val(devp, "clock-frequency", freq); + } +} + +void __dt_fixup_mac_addresses(u32 startindex, ...) +{ + va_list ap; + u32 index = startindex; + void *devp; + const u8 *addr; + + va_start(ap, startindex); + while ((addr = va_arg(ap, const u8 *))) { + devp = find_node_by_prop_value(NULL, "linux,network-index", + (void*)&index, sizeof(index)); + + printf("ENET%d: local-mac-address <-" + " %02x:%02x:%02x:%02x:%02x:%02x\n\r", index, + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); + + if (devp) + setprop(devp, "local-mac-address", addr, 6); + + index++; + } + va_end(ap); +} + +#define MAX_ADDR_CELLS 4 +#define MAX_RANGES 8 + +static void get_reg_format(void *node, u32 *naddr, u32 *nsize) +{ + if (getprop(node, "#address-cells", naddr, 4) != 4) + *naddr = 2; + if (getprop(node, "#size-cells", nsize, 4) != 4) + *nsize = 1; +} + +static void copy_val(u32 *dest, u32 *src, int naddr) +{ + int pad = MAX_ADDR_CELLS - naddr; + + memset(dest, 0, pad * 4); + memcpy(dest + pad, src, naddr * 4); +} + +static int sub_reg(u32 *reg, u32 *sub) +{ + int i, borrow = 0; + + for (i = MAX_ADDR_CELLS - 1; i >= 0; i--) { + int prev_borrow = borrow; + borrow = reg[i] < sub[i] + prev_borrow; + reg[i] -= sub[i] + prev_borrow; + } + + return !borrow; +} + +static int add_reg(u32 *reg, u32 *add, int naddr) +{ + int i, carry = 0; + + for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) { + u64 tmp = (u64)reg[i] + add[i] + carry; + carry = tmp >> 32; + reg[i] = (u32)tmp; + } + + return !carry; +} + +/* It is assumed that if the first byte of reg fits in a + * range, then the whole reg block fits. + */ +static int compare_reg(u32 *reg, u32 *range, u32 *rangesize) +{ + int i; + u32 end; + + for (i = 0; i < MAX_ADDR_CELLS; i++) { + if (reg[i] < range[i]) + return 0; + if (reg[i] > range[i]) + break; + } + + for (i = 0; i < MAX_ADDR_CELLS; i++) { + end = range[i] + rangesize[i]; + + if (reg[i] < end) + break; + if (reg[i] > end) + return 0; + } + + return reg[i] != end; +} + +/* reg must be MAX_ADDR_CELLS */ +static int find_range(u32 *reg, u32 *ranges, int nregaddr, + int naddr, int nsize, int buflen) +{ + int nrange = nregaddr + naddr + nsize; + int i; + + for (i = 0; i + nrange <= buflen; i += nrange) { + u32 range_addr[MAX_ADDR_CELLS]; + u32 range_size[MAX_ADDR_CELLS]; + + copy_val(range_addr, ranges + i, naddr); + copy_val(range_size, ranges + i + nregaddr + naddr, nsize); + + if (compare_reg(reg, range_addr, range_size)) + return i; + } + + return -1; +} + +/* Currently only generic buses without special encodings are supported. + * In particular, PCI is not supported. Also, only the beginning of the + * reg block is tracked; size is ignored except in ranges. + */ +static u32 dt_xlate_buf[MAX_ADDR_CELLS * MAX_RANGES * 3]; + +static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, + unsigned long *size) +{ + u32 last_addr[MAX_ADDR_CELLS]; + u32 this_addr[MAX_ADDR_CELLS]; + void *parent; + u64 ret_addr, ret_size; + u32 naddr, nsize, prev_naddr; + int buflen, offset; + + parent = get_parent(node); + if (!parent) + return 0; + + get_reg_format(parent, &naddr, &nsize); + + if (nsize > 2) + return 0; + + offset = (naddr + nsize) * res; + + if (reglen < offset + naddr + nsize || + sizeof(dt_xlate_buf) < offset + naddr + nsize) + return 0; + + copy_val(last_addr, dt_xlate_buf + offset, naddr); + + ret_size = dt_xlate_buf[offset + naddr]; + if (nsize == 2) { + ret_size <<= 32; + ret_size |= dt_xlate_buf[offset + naddr + 1]; + } + + while ((node = get_parent(node))) { + prev_naddr = naddr; + + get_reg_format(node, &naddr, &nsize); + + buflen = getprop(node, "ranges", dt_xlate_buf, + sizeof(dt_xlate_buf)); + if (buflen < 0) + continue; + if (buflen > sizeof(dt_xlate_buf)) + return 0; + + offset = find_range(last_addr, dt_xlate_buf, prev_naddr, + naddr, nsize, buflen / 4); + + if (offset < 0) + return 0; + + copy_val(this_addr, dt_xlate_buf + offset, prev_naddr); + + if (!sub_reg(last_addr, this_addr)) + return 0; + + copy_val(this_addr, dt_xlate_buf + offset + prev_naddr, naddr); + + if (!add_reg(last_addr, this_addr, naddr)) + return 0; + } + + if (naddr > 2) + return 0; + + ret_addr = ((u64)last_addr[2] << 32) | last_addr[3]; + + if (sizeof(void *) == 4 && + (ret_addr >= 0x100000000ULL || ret_size > 0x100000000ULL || + ret_addr + ret_size > 0x100000000ULL)) + return 0; + + *addr = ret_addr; + if (size) + *size = ret_size; + + return 1; +} + +int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size) +{ + int reglen; + + reglen = getprop(node, "reg", dt_xlate_buf, sizeof(dt_xlate_buf)) / 4; + return dt_xlate(node, res, reglen, addr, size); +} + +int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr) +{ + + if (buflen > sizeof(dt_xlate_buf)) + return 0; + + memcpy(dt_xlate_buf, buf, buflen); + return dt_xlate(node, 0, buflen / 4, xlated_addr, NULL); +} diff --git a/arch/powerpc/boot/dts/kuroboxHD.dts b/arch/powerpc/boot/dts/kuroboxHD.dts index b897918..157dc98 100644 --- a/arch/powerpc/boot/dts/kuroboxHD.dts +++ b/arch/powerpc/boot/dts/kuroboxHD.dts @@ -29,7 +29,6 @@ build with: "dtc -f -I dts -O dtb -o kuroboxHD.dtb -V 16 kuroboxHD.dts" cpus { linux,phandle = <2000>; - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; @@ -126,17 +125,17 @@ build with: "dtc -f -I dts -O dtb -o kuroboxHD.dtb -V 16 kuroboxHD.dts" interrupt-parent = <4400>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < - /* IDSEL 0x11 - IRQ0 ETH */ + /* IDSEL 11 - IRQ0 ETH */ 5800 0 0 1 4400 0 1 5800 0 0 2 4400 1 1 5800 0 0 3 4400 2 1 5800 0 0 4 4400 3 1 - /* IDSEL 0x12 - IRQ1 IDE0 */ + /* IDSEL 12 - IRQ1 IDE0 */ 6000 0 0 1 4400 1 1 6000 0 0 2 4400 2 1 6000 0 0 3 4400 3 1 6000 0 0 4 4400 0 1 - /* IDSEL 0x14 - IRQ3 USB2.0 */ + /* IDSEL 14 - IRQ3 USB2.0 */ 7000 0 0 1 4400 3 1 7000 0 0 2 4400 3 1 7000 0 0 3 4400 3 1 diff --git a/arch/powerpc/boot/dts/kuroboxHG.dts b/arch/powerpc/boot/dts/kuroboxHG.dts index 7531027..919eb29 100644 --- a/arch/powerpc/boot/dts/kuroboxHG.dts +++ b/arch/powerpc/boot/dts/kuroboxHG.dts @@ -29,7 +29,6 @@ build with: "dtc -f -I dts -O dtb -o kuroboxHG.dtb -V 16 kuroboxHG.dts" cpus { linux,phandle = <2000>; - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; @@ -126,17 +125,17 @@ build with: "dtc -f -I dts -O dtb -o kuroboxHG.dtb -V 16 kuroboxHG.dts" interrupt-parent = <4400>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < - /* IDSEL 0x11 - IRQ0 ETH */ + /* IDSEL 11 - IRQ0 ETH */ 5800 0 0 1 4400 0 1 5800 0 0 2 4400 1 1 5800 0 0 3 4400 2 1 5800 0 0 4 4400 3 1 - /* IDSEL 0x12 - IRQ1 IDE0 */ + /* IDSEL 12 - IRQ1 IDE0 */ 6000 0 0 1 4400 1 1 6000 0 0 2 4400 2 1 6000 0 0 3 4400 3 1 6000 0 0 4 4400 0 1 - /* IDSEL 0x14 - IRQ3 USB2.0 */ + /* IDSEL 14 - IRQ3 USB2.0 */ 7000 0 0 1 4400 3 1 7000 0 0 2 4400 3 1 7000 0 0 3 4400 3 1 diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index c03103c..ba54c6b 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -24,7 +24,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index 3875ca9..2e00308 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -24,7 +24,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts index 41d0720c..6fa3754 100644 --- a/arch/powerpc/boot/dts/mpc7448hpc2.dts +++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts @@ -19,7 +19,6 @@ linux,phandle = <100>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells =<0>; linux,phandle = <200>; diff --git a/arch/powerpc/boot/dts/mpc8272ads.dts b/arch/powerpc/boot/dts/mpc8272ads.dts index 260b2e4..423eedc 100644 --- a/arch/powerpc/boot/dts/mpc8272ads.dts +++ b/arch/powerpc/boot/dts/mpc8272ads.dts @@ -17,7 +17,6 @@ linux,phandle = <100>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; linux,phandle = <200>; diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 6d72190..a1533cc 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -16,7 +16,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index 06b3106..c798491 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -16,7 +16,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts new file mode 100644 index 0000000..b55bced --- /dev/null +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -0,0 +1,291 @@ +/* + * MPC832x RDB Device Tree Source + * + * Copyright 2007 Freescale Semiconductor 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. + */ + +/ { + model = "MPC8323ERDB"; + compatible = "MPC8323ERDB", "MPC832xRDB", "MPC83xxRDB"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,8323@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <20>; // 32 bytes + i-cache-line-size = <20>; // 32 bytes + d-cache-size = <4000>; // L1, 16K + i-cache-size = <4000>; // L1, 16K + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + 32-bit; + }; + }; + + memory { + device_type = "memory"; + reg = <00000000 04000000>; + }; + + soc8323@e0000000 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + device_type = "soc"; + ranges = <0 e0000000 00100000>; + reg = <e0000000 00000200>; + bus-frequency = <0>; + + wdt@200 { + device_type = "watchdog"; + compatible = "mpc83xx_wdt"; + reg = <200 100>; + }; + + i2c@3000 { + device_type = "i2c"; + compatible = "fsl-i2c"; + reg = <3000 100>; + interrupts = <e 8>; + interrupt-parent = <&pic>; + dfsrr; + }; + + serial@4500 { + device_type = "serial"; + compatible = "ns16550"; + reg = <4500 100>; + clock-frequency = <0>; + interrupts = <9 8>; + interrupt-parent = <&pic>; + }; + + serial@4600 { + device_type = "serial"; + compatible = "ns16550"; + reg = <4600 100>; + clock-frequency = <0>; + interrupts = <a 8>; + interrupt-parent = <&pic>; + }; + + crypto@30000 { + device_type = "crypto"; + model = "SEC2"; + compatible = "talitos"; + reg = <30000 7000>; + interrupts = <b 8>; + interrupt-parent = <&pic>; + /* Rev. 2.2 */ + num-channels = <1>; + channel-fifo-len = <18>; + exec-units-mask = <0000004c>; + descriptor-types-mask = <0122003f>; + }; + + pci@8500 { + interrupt-map-mask = <f800 0 0 7>; + interrupt-map = < + /* IDSEL 0x10 AD16 (USB) */ + 8000 0 0 1 &pic 11 8 + + /* IDSEL 0x11 AD17 (Mini1)*/ + 8800 0 0 1 &pic 12 8 + 8800 0 0 2 &pic 13 8 + 8800 0 0 3 &pic 14 8 + 8800 0 0 4 &pic 30 8 + + /* IDSEL 0x12 AD18 (PCI/Mini2) */ + 9000 0 0 1 &pic 13 8 + 9000 0 0 2 &pic 14 8 + 9000 0 0 3 &pic 30 8 + 9000 0 0 4 &pic 11 8>; + + interrupt-parent = <&pic>; + interrupts = <42 8>; + bus-range = <0 0>; + ranges = <42000000 0 80000000 80000000 0 10000000 + 02000000 0 90000000 90000000 0 10000000 + 01000000 0 d0000000 d0000000 0 04000000>; + clock-frequency = <0>; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <8500 100>; + compatible = "83xx"; + device_type = "pci"; + }; + + pic:pic@700 { + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <700 100>; + built-in; + device_type = "ipic"; + }; + + par_io@1400 { + reg = <1400 100>; + device_type = "par_io"; + num-ports = <7>; + + ucc2pio:ucc_pin@02 { + pio-map = < + /* port pin dir open_drain assignment has_irq */ + 3 4 3 0 2 0 /* MDIO */ + 3 5 1 0 2 0 /* MDC */ + 3 15 2 0 1 0 /* RX_CLK (CLK16) */ + 3 17 2 0 1 0 /* TX_CLK (CLK3) */ + 0 12 1 0 1 0 /* TxD0 */ + 0 13 1 0 1 0 /* TxD1 */ + 0 14 1 0 1 0 /* TxD2 */ + 0 15 1 0 1 0 /* TxD3 */ + 0 16 2 0 1 0 /* RxD0 */ + 0 17 2 0 1 0 /* RxD1 */ + 0 18 2 0 1 0 /* RxD2 */ + 0 19 2 0 1 0 /* RxD3 */ + 0 1a 2 0 1 0 /* RX_ER */ + 0 1b 1 0 1 0 /* TX_ER */ + 0 1c 2 0 1 0 /* RX_DV */ + 0 1d 2 0 1 0 /* COL */ + 0 1e 1 0 1 0 /* TX_EN */ + 0 1f 2 0 1 0>; /* CRS */ + }; + ucc3pio:ucc_pin@03 { + pio-map = < + /* port pin dir open_drain assignment has_irq */ + 0 d 2 0 1 0 /* RX_CLK (CLK9) */ + 3 18 2 0 1 0 /* TX_CLK (CLK10) */ + 1 0 1 0 1 0 /* TxD0 */ + 1 1 1 0 1 0 /* TxD1 */ + 1 2 1 0 1 0 /* TxD2 */ + 1 3 1 0 1 0 /* TxD3 */ + 1 4 2 0 1 0 /* RxD0 */ + 1 5 2 0 1 0 /* RxD1 */ + 1 6 2 0 1 0 /* RxD2 */ + 1 7 2 0 1 0 /* RxD3 */ + 1 8 2 0 1 0 /* RX_ER */ + 1 9 1 0 1 0 /* TX_ER */ + 1 a 2 0 1 0 /* RX_DV */ + 1 b 2 0 1 0 /* COL */ + 1 c 1 0 1 0 /* TX_EN */ + 1 d 2 0 1 0>; /* CRS */ + }; + }; + }; + + qe@e0100000 { + #address-cells = <1>; + #size-cells = <1>; + device_type = "qe"; + model = "QE"; + ranges = <0 e0100000 00100000>; + reg = <e0100000 480>; + brg-frequency = <0>; + bus-frequency = <BCD3D80>; + + muram@10000 { + device_type = "muram"; + ranges = <0 00010000 00004000>; + + data-only@0 { + reg = <0 4000>; + }; + }; + + spi@4c0 { + device_type = "spi"; + compatible = "fsl_spi"; + reg = <4c0 40>; + interrupts = <2>; + interrupt-parent = <&qeic>; + mode = "cpu"; + }; + + spi@500 { + device_type = "spi"; + compatible = "fsl_spi"; + reg = <500 40>; + interrupts = <1>; + interrupt-parent = <&qeic>; + mode = "cpu"; + }; + + ucc@3000 { + device_type = "network"; + compatible = "ucc_geth"; + model = "UCC"; + device-id = <2>; + reg = <3000 200>; + interrupts = <21>; + interrupt-parent = <&qeic>; + mac-address = [ 00 04 9f ef 03 02 ]; + rx-clock = <20>; + tx-clock = <13>; + phy-handle = <&phy00>; + pio-handle = <&ucc2pio>; + }; + + ucc@2200 { + device_type = "network"; + compatible = "ucc_geth"; + model = "UCC"; + device-id = <3>; + reg = <2200 200>; + interrupts = <22>; + interrupt-parent = <&qeic>; + mac-address = [ 00 04 9f ef 03 01 ]; + rx-clock = <19>; + tx-clock = <1a>; + phy-handle = <&phy04>; + pio-handle = <&ucc3pio>; + }; + + mdio@3120 { + #address-cells = <1>; + #size-cells = <0>; + reg = <3120 18>; + device_type = "mdio"; + compatible = "ucc_geth_phy"; + + phy00:ethernet-phy@00 { + interrupt-parent = <&pic>; + interrupts = <0>; + reg = <0>; + device_type = "ethernet-phy"; + interface = <3>; //ENET_100_MII + }; + phy04:ethernet-phy@04 { + interrupt-parent = <&pic>; + interrupts = <0>; + reg = <4>; + device_type = "ethernet-phy"; + interface = <3>; + }; + }; + + qeic:qeic@80 { + interrupt-controller; + device_type = "qeic"; + #address-cells = <0>; + #interrupt-cells = <1>; + reg = <80 80>; + built-in; + big-endian; + interrupts = <20 8 21 8>; //high:32 low:33 + interrupt-parent = <&pic>; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index 61b550b..db0d003 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts @@ -15,7 +15,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts index b2e1a5e..f636528 100644 --- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts +++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts @@ -15,7 +15,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts index e4b43c2..07bcc51 100644 --- a/arch/powerpc/boot/dts/mpc834x_mds.dts +++ b/arch/powerpc/boot/dts/mpc834x_mds.dts @@ -16,7 +16,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 4fe45c0..7f578eb 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -21,7 +21,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8540ads.dts b/arch/powerpc/boot/dts/mpc8540ads.dts index 3c0917f..f261d64 100644 --- a/arch/powerpc/boot/dts/mpc8540ads.dts +++ b/arch/powerpc/boot/dts/mpc8540ads.dts @@ -17,7 +17,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8541cds.dts b/arch/powerpc/boot/dts/mpc8541cds.dts index 2a1ae76..5fdcb69 100644 --- a/arch/powerpc/boot/dts/mpc8541cds.dts +++ b/arch/powerpc/boot/dts/mpc8541cds.dts @@ -17,7 +17,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8544ds.dts b/arch/powerpc/boot/dts/mpc8544ds.dts new file mode 100644 index 0000000..6b08460 --- /dev/null +++ b/arch/powerpc/boot/dts/mpc8544ds.dts @@ -0,0 +1,136 @@ +/* + * MPC8544 DS Device Tree Source + * + * Copyright 2007 Freescale Semiconductor 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. + */ + +/ { + model = "MPC8544DS"; + compatible = "MPC8544DS", "MPC85xxDS"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #cpus = <1>; + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,8544@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <20>; // 32 bytes + i-cache-line-size = <20>; // 32 bytes + d-cache-size = <8000>; // L1, 32K + i-cache-size = <8000>; // L1, 32K + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + 32-bit; + }; + }; + + memory { + device_type = "memory"; + reg = <00000000 00000000>; // Filled by U-Boot + }; + + soc8544@e0000000 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + device_type = "soc"; + ranges = <0 e0000000 00100000>; + reg = <e0000000 00100000>; // CCSRBAR 1M + bus-frequency = <0>; // Filled out by uboot. + + i2c@3000 { + device_type = "i2c"; + compatible = "fsl-i2c"; + reg = <3000 100>; + interrupts = <1b 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + mdio@24520 { + #address-cells = <1>; + #size-cells = <0>; + device_type = "mdio"; + compatible = "gianfar"; + reg = <24520 20>; + phy0: ethernet-phy@0 { + interrupt-parent = <&mpic>; + interrupts = <3a 1>; + reg = <0>; + device_type = "ethernet-phy"; + }; + phy1: ethernet-phy@1 { + interrupt-parent = <&mpic>; + interrupts = <3a 1>; + reg = <1>; + device_type = "ethernet-phy"; + }; + }; + + ethernet@24000 { + #address-cells = <1>; + #size-cells = <0>; + device_type = "network"; + model = "TSEC"; + compatible = "gianfar"; + reg = <24000 1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <d 2 e 2 12 2>; + interrupt-parent = <&mpic>; + phy-handle = <&phy0>; + }; + + ethernet@26000 { + #address-cells = <1>; + #size-cells = <0>; + device_type = "network"; + model = "TSEC"; + compatible = "gianfar"; + reg = <26000 1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <f 2 10 2 11 2>; + interrupt-parent = <&mpic>; + phy-handle = <&phy1>; + }; + + serial@4500 { + device_type = "serial"; + compatible = "ns16550"; + reg = <4500 100>; + clock-frequency = <0>; + interrupts = <1a 2>; + interrupt-parent = <&mpic>; + }; + + serial@4600 { + device_type = "serial"; + compatible = "ns16550"; + reg = <4600 100>; + clock-frequency = <0>; + interrupts = <1a 2>; + interrupt-parent = <&mpic>; + }; + + mpic: pic@40000 { + clock-frequency = <0>; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <40000 40000>; + built-in; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + big-endian; + }; + }; +}; diff --git a/arch/powerpc/boot/dts/mpc8548cds.dts b/arch/powerpc/boot/dts/mpc8548cds.dts index 7eb5d81..b2b2200 100644 --- a/arch/powerpc/boot/dts/mpc8548cds.dts +++ b/arch/powerpc/boot/dts/mpc8548cds.dts @@ -17,7 +17,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8555cds.dts b/arch/powerpc/boot/dts/mpc8555cds.dts index 5f9c102..68a4795 100644 --- a/arch/powerpc/boot/dts/mpc8555cds.dts +++ b/arch/powerpc/boot/dts/mpc8555cds.dts @@ -17,7 +17,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8560ads.dts b/arch/powerpc/boot/dts/mpc8560ads.dts index 1050263..1f2afe9 100644 --- a/arch/powerpc/boot/dts/mpc8560ads.dts +++ b/arch/powerpc/boot/dts/mpc8560ads.dts @@ -17,7 +17,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index bf49d8c..7361b36 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -21,7 +21,6 @@ #size-cells = <1>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts index 8a4995a..260b264 100644 --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts @@ -17,7 +17,6 @@ #size-cells = <1>; cpus { - #cpus = <2>; #address-cells = <1>; #size-cells = <0>; @@ -300,6 +299,30 @@ }; }; + + pci@9000 { + compatible = "86xx"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <9000 1000>; + bus-range = <0 ff>; + ranges = <02000000 0 a0000000 a0000000 0 20000000 + 01000000 0 00000000 e3000000 0 00100000>; + clock-frequency = <1fca055>; + interrupt-parent = <&mpic>; + interrupts = <19 2>; + interrupt-map-mask = <f800 0 0 7>; + interrupt-map = < + /* IDSEL 0x0 */ + 0000 0 0 1 &mpic 44 1 + 0000 0 0 2 &mpic 45 1 + 0000 0 0 3 &mpic 46 1 + 0000 0 0 4 &mpic 47 1 + >; + }; + mpic: pic@40000 { clock-frequency = <0>; interrupt-controller; diff --git a/arch/powerpc/boot/dts/mpc866ads.dts b/arch/powerpc/boot/dts/mpc866ads.dts index 2b56b5d..c0d06fd 100644 --- a/arch/powerpc/boot/dts/mpc866ads.dts +++ b/arch/powerpc/boot/dts/mpc866ads.dts @@ -18,7 +18,6 @@ linux,phandle = <100>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; linux,phandle = <200>; diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts index faecd08..110bf61 100644 --- a/arch/powerpc/boot/dts/mpc885ads.dts +++ b/arch/powerpc/boot/dts/mpc885ads.dts @@ -18,7 +18,6 @@ linux,phandle = <100>; cpus { - #cpus = <1>; #address-cells = <1>; #size-cells = <0>; linux,phandle = <200>; diff --git a/arch/powerpc/boot/elf.h b/arch/powerpc/boot/elf.h index d4828fc..1941bc5 100644 --- a/arch/powerpc/boot/elf.h +++ b/arch/powerpc/boot/elf.h @@ -146,4 +146,12 @@ typedef struct elf64_phdr { #define ELFOSABI_NONE 0 #define ELFOSABI_LINUX 3 +struct elf_info { + unsigned long loadsize; + unsigned long memsize; + unsigned long elfoffset; +}; +int parse_elf64(void *hdr, struct elf_info *info); +int parse_elf32(void *hdr, struct elf_info *info); + #endif /* _PPC_BOOT_ELF_H_ */ diff --git a/arch/powerpc/boot/elf_util.c b/arch/powerpc/boot/elf_util.c new file mode 100644 index 0000000..7454aa4 --- /dev/null +++ b/arch/powerpc/boot/elf_util.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) Paul Mackerras 1997. + * + * Updates for PPC64 by Todd Inglett, Dave Engebretsen & Peter Bergner. + * + * 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 <stdarg.h> +#include <stddef.h> +#include "elf.h" +#include "page.h" +#include "string.h" +#include "stdio.h" + +int parse_elf64(void *hdr, struct elf_info *info) +{ + Elf64_Ehdr *elf64 = hdr; + Elf64_Phdr *elf64ph; + unsigned int i; + + if (!(elf64->e_ident[EI_MAG0] == ELFMAG0 && + elf64->e_ident[EI_MAG1] == ELFMAG1 && + elf64->e_ident[EI_MAG2] == ELFMAG2 && + elf64->e_ident[EI_MAG3] == ELFMAG3 && + elf64->e_ident[EI_CLASS] == ELFCLASS64 && + elf64->e_ident[EI_DATA] == ELFDATA2MSB && + elf64->e_type == ET_EXEC && + elf64->e_machine == EM_PPC64)) + return 0; + + elf64ph = (Elf64_Phdr *)((unsigned long)elf64 + + (unsigned long)elf64->e_phoff); + for (i = 0; i < (unsigned int)elf64->e_phnum; i++, elf64ph++) + if (elf64ph->p_type == PT_LOAD) + break; + if (i >= (unsigned int)elf64->e_phnum) + return 0; + + info->loadsize = (unsigned long)elf64ph->p_filesz; + info->memsize = (unsigned long)elf64ph->p_memsz; + info->elfoffset = (unsigned long)elf64ph->p_offset; + + return 1; +} + +int parse_elf32(void *hdr, struct elf_info *info) +{ + Elf32_Ehdr *elf32 = hdr; + Elf32_Phdr *elf32ph; + unsigned int i; + + if (!(elf32->e_ident[EI_MAG0] == ELFMAG0 && + elf32->e_ident[EI_MAG1] == ELFMAG1 && + elf32->e_ident[EI_MAG2] == ELFMAG2 && + elf32->e_ident[EI_MAG3] == ELFMAG3 && + elf32->e_ident[EI_CLASS] == ELFCLASS32 && + elf32->e_ident[EI_DATA] == ELFDATA2MSB && + elf32->e_type == ET_EXEC && + elf32->e_machine == EM_PPC)) + return 0; + + elf32ph = (Elf32_Phdr *) ((unsigned long)elf32 + elf32->e_phoff); + for (i = 0; i < elf32->e_phnum; i++, elf32ph++) + if (elf32ph->p_type == PT_LOAD) + break; + if (i >= elf32->e_phnum) + return 0; + + info->loadsize = elf32ph->p_filesz; + info->memsize = elf32ph->p_memsz; + info->elfoffset = elf32ph->p_offset; + return 1; +} diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c index c76c194..d00fbd9 100644 --- a/arch/powerpc/boot/flatdevtree.c +++ b/arch/powerpc/boot/flatdevtree.c @@ -29,12 +29,20 @@ #define _ALIGN(x, al) (((x) + (al) - 1) & ~((al) - 1)) +static char *ft_root_node(struct ft_cxt *cxt) +{ + return cxt->rgn[FT_STRUCT].start; +} + /* Routines for keeping node ptrs returned by ft_find_device current */ /* First entry not used b/c it would return 0 and be taken as NULL/error */ -static void *ft_node_add(struct ft_cxt *cxt, char *node) +static void *ft_get_phandle(struct ft_cxt *cxt, char *node) { unsigned int i; + if (!node) + return NULL; + for (i = 1; i < cxt->nodes_used; i++) /* already there? */ if (cxt->node_tbl[i] == node) return (void *)i; @@ -238,7 +246,7 @@ static int ft_shuffle(struct ft_cxt *cxt, char **pp, enum ft_rgn_id rgn, if (rgn == FT_STRUCT) ft_node_update_before(cxt, p, -nextra); } - *p -= nextra; + *pp -= nextra; cxt->rgn[rgn].start -= nextra; cxt->rgn[rgn].size += nextra; return 1; @@ -253,8 +261,14 @@ static int ft_make_space(struct ft_cxt *cxt, char **pp, enum ft_rgn_id rgn, char *str, *next; enum ft_rgn_id r; - if (!cxt->isordered && !ft_reorder(cxt, nextra)) - return 0; + if (!cxt->isordered) { + unsigned long rgn_off = *pp - cxt->rgn[rgn].start; + + if (!ft_reorder(cxt, nextra)) + return 0; + + *pp = cxt->rgn[rgn].start + rgn_off; + } if (ft_shuffle(cxt, pp, rgn, nextra)) return 1; @@ -415,7 +429,7 @@ int ft_prop(struct ft_cxt *cxt, const char *name, const void *data, { int off, len; - off = lookup_string(cxt, name); + off = map_string(cxt, name); if (off == NO_STRING) return -1; @@ -590,7 +604,7 @@ int ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size) void ft_begin_tree(struct ft_cxt *cxt) { - cxt->p = cxt->rgn[FT_STRUCT].start; + cxt->p = ft_root_node(cxt); } void ft_end_tree(struct ft_cxt *cxt) @@ -636,8 +650,21 @@ void *ft_find_device(struct ft_cxt *cxt, const char *srch_path) /* require absolute path */ if (srch_path[0] != '/') return NULL; - node = ft_find_descendent(cxt, cxt->rgn[FT_STRUCT].start, srch_path); - return ft_node_add(cxt, node); + node = ft_find_descendent(cxt, ft_root_node(cxt), srch_path); + return ft_get_phandle(cxt, node); +} + +void *ft_find_device_rel(struct ft_cxt *cxt, const void *top, + const char *srch_path) +{ + char *node; + + node = ft_node_ph2node(cxt, top); + if (node == NULL) + return NULL; + + node = ft_find_descendent(cxt, node, srch_path); + return ft_get_phandle(cxt, node); } void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path) @@ -701,23 +728,18 @@ void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path) return NULL; } -void *ft_get_parent(struct ft_cxt *cxt, const void *phandle) +void *__ft_get_parent(struct ft_cxt *cxt, void *node) { - void *node; int d; struct ft_atom atom; char *p; - node = ft_node_ph2node(cxt, phandle); - if (node == NULL) - return NULL; - for (d = 0; cxt->genealogy[d] != NULL; ++d) if (cxt->genealogy[d] == node) - return cxt->genealogy[d > 0 ? d - 1 : 0]; + return d > 0 ? cxt->genealogy[d - 1] : NULL; /* have to do it the hard way... */ - p = cxt->rgn[FT_STRUCT].start; + p = ft_root_node(cxt); d = 0; while ((p = ft_next(cxt, p, &atom)) != NULL) { switch (atom.tag) { @@ -726,7 +748,7 @@ void *ft_get_parent(struct ft_cxt *cxt, const void *phandle) if (node == atom.data) { /* found it */ cxt->genealogy[d + 1] = NULL; - return d > 0 ? cxt->genealogy[d - 1] : node; + return d > 0 ? cxt->genealogy[d - 1] : NULL; } ++d; break; @@ -738,41 +760,131 @@ void *ft_get_parent(struct ft_cxt *cxt, const void *phandle) return NULL; } -int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, - void *buf, const unsigned int buflen) +void *ft_get_parent(struct ft_cxt *cxt, const void *phandle) { - struct ft_atom atom; - void *node; - char *p; - int depth; - unsigned int size; - - node = ft_node_ph2node(cxt, phandle); + void *node = ft_node_ph2node(cxt, phandle); if (node == NULL) - return -1; + return NULL; - depth = 0; - p = (char *)node; + node = __ft_get_parent(cxt, node); + return ft_get_phandle(cxt, node); +} - while ((p = ft_next(cxt, p, &atom)) != NULL) { +static const void *__ft_get_prop(struct ft_cxt *cxt, void *node, + const char *propname, unsigned int *len) +{ + struct ft_atom atom; + int depth = 0; + + while ((node = ft_next(cxt, node, &atom)) != NULL) { switch (atom.tag) { case OF_DT_BEGIN_NODE: ++depth; break; + case OF_DT_PROP: - if ((depth != 1) || strcmp(atom.name, propname)) + if (depth != 1 || strcmp(atom.name, propname)) break; - size = min(atom.size, buflen); - memcpy(buf, atom.data, size); - return atom.size; + + if (len) + *len = atom.size; + + return atom.data; + case OF_DT_END_NODE: if (--depth <= 0) - return -1; + return NULL; } } + + return NULL; +} + +int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, + void *buf, const unsigned int buflen) +{ + const void *data; + unsigned int size; + + void *node = ft_node_ph2node(cxt, phandle); + if (!node) + return -1; + + data = __ft_get_prop(cxt, node, propname, &size); + if (data) { + unsigned int clipped_size = min(size, buflen); + memcpy(buf, data, clipped_size); + return size; + } + return -1; } +void *__ft_find_node_by_prop_value(struct ft_cxt *cxt, void *prev, + const char *propname, const char *propval, + unsigned int proplen) +{ + struct ft_atom atom; + char *p = ft_root_node(cxt); + char *next; + int past_prev = prev ? 0 : 1; + int depth = -1; + + while ((next = ft_next(cxt, p, &atom)) != NULL) { + const void *data; + unsigned int size; + + switch (atom.tag) { + case OF_DT_BEGIN_NODE: + depth++; + + if (prev == p) { + past_prev = 1; + break; + } + + if (!past_prev || depth < 1) + break; + + data = __ft_get_prop(cxt, p, propname, &size); + if (!data || size != proplen) + break; + if (memcmp(data, propval, size)) + break; + + return p; + + case OF_DT_END_NODE: + if (depth-- == 0) + return NULL; + + break; + } + + p = next; + } + + return NULL; +} + +void *ft_find_node_by_prop_value(struct ft_cxt *cxt, const void *prev, + const char *propname, const char *propval, + int proplen) +{ + void *node = NULL; + + if (prev) { + node = ft_node_ph2node(cxt, prev); + + if (!node) + return NULL; + } + + node = __ft_find_node_by_prop_value(cxt, node, propname, + propval, proplen); + return ft_get_phandle(cxt, node); +} + int ft_set_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, const void *buf, const unsigned int buflen) { @@ -849,19 +961,26 @@ int ft_del_prop(struct ft_cxt *cxt, const void *phandle, const char *propname) return -1; } -void *ft_create_node(struct ft_cxt *cxt, const void *parent, const char *path) +void *ft_create_node(struct ft_cxt *cxt, const void *parent, const char *name) { struct ft_atom atom; char *p, *next; int depth = 0; - p = cxt->rgn[FT_STRUCT].start; + if (parent) { + p = ft_node_ph2node(cxt, parent); + if (!p) + return NULL; + } else { + p = ft_root_node(cxt); + } + while ((next = ft_next(cxt, p, &atom)) != NULL) { switch (atom.tag) { case OF_DT_BEGIN_NODE: ++depth; - if (depth == 1 && strcmp(atom.name, path) == 0) - /* duplicate node path, return error */ + if (depth == 1 && strcmp(atom.name, name) == 0) + /* duplicate node name, return error */ return NULL; break; case OF_DT_END_NODE: @@ -870,7 +989,7 @@ void *ft_create_node(struct ft_cxt *cxt, const void *parent, const char *path) break; /* end of node, insert here */ cxt->p = p; - ft_begin_node(cxt, path); + ft_begin_node(cxt, name); ft_end_node(cxt); return p; } diff --git a/arch/powerpc/boot/flatdevtree.h b/arch/powerpc/boot/flatdevtree.h index b9cd9f6..cb26325 100644 --- a/arch/powerpc/boot/flatdevtree.h +++ b/arch/powerpc/boot/flatdevtree.h @@ -97,10 +97,17 @@ int ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); void ft_dump_blob(const void *bphp); void ft_merge_blob(struct ft_cxt *cxt, void *blob); void *ft_find_device(struct ft_cxt *cxt, const char *srch_path); +void *ft_find_device_rel(struct ft_cxt *cxt, const void *top, + const char *srch_path); void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path); int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, void *buf, const unsigned int buflen); int ft_set_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, const void *buf, const unsigned int buflen); +void *ft_get_parent(struct ft_cxt *cxt, const void *phandle); +void *ft_find_node_by_prop_value(struct ft_cxt *cxt, const void *prev, + const char *propname, const char *propval, + int proplen); +void *ft_create_node(struct ft_cxt *cxt, const void *parent, const char *name); #endif /* FLATDEVTREE_H */ diff --git a/arch/powerpc/boot/flatdevtree_misc.c b/arch/powerpc/boot/flatdevtree_misc.c index 04da38f..4341e65 100644 --- a/arch/powerpc/boot/flatdevtree_misc.c +++ b/arch/powerpc/boot/flatdevtree_misc.c @@ -16,24 +16,43 @@ static struct ft_cxt cxt; -static void *ft_finddevice(const char *name) +static void *fdtm_finddevice(const char *name) { return ft_find_device(&cxt, name); } -static int ft_getprop(const void *phandle, const char *propname, void *buf, - const int buflen) +static int fdtm_getprop(const void *phandle, const char *propname, + void *buf, const int buflen) { return ft_get_prop(&cxt, phandle, propname, buf, buflen); } -static int ft_setprop(const void *phandle, const char *propname, - const void *buf, const int buflen) +static int fdtm_setprop(const void *phandle, const char *propname, + const void *buf, const int buflen) { return ft_set_prop(&cxt, phandle, propname, buf, buflen); } -static unsigned long ft_finalize(void) +static void *fdtm_get_parent(const void *phandle) +{ + return ft_get_parent(&cxt, phandle); +} + +static void *fdtm_create_node(const void *phandle, const char *name) +{ + return ft_create_node(&cxt, phandle, name); +} + +static void *fdtm_find_node_by_prop_value(const void *prev, + const char *propname, + const char *propval, + int proplen) +{ + return ft_find_node_by_prop_value(&cxt, prev, propname, + propval, proplen); +} + +static unsigned long fdtm_finalize(void) { ft_end_tree(&cxt); return (unsigned long)cxt.bph; @@ -41,10 +60,13 @@ static unsigned long ft_finalize(void) int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device) { - dt_ops.finddevice = ft_finddevice; - dt_ops.getprop = ft_getprop; - dt_ops.setprop = ft_setprop; - dt_ops.finalize = ft_finalize; + dt_ops.finddevice = fdtm_finddevice; + dt_ops.getprop = fdtm_getprop; + dt_ops.setprop = fdtm_setprop; + dt_ops.get_parent = fdtm_get_parent; + dt_ops.create_node = fdtm_create_node; + dt_ops.find_node_by_prop_value = fdtm_find_node_by_prop_value; + dt_ops.finalize = fdtm_finalize; return ft_open(&cxt, dt_blob, max_size, max_find_device, platform_ops.realloc); diff --git a/arch/powerpc/boot/gunzip_util.c b/arch/powerpc/boot/gunzip_util.c new file mode 100644 index 0000000..df8ab07 --- /dev/null +++ b/arch/powerpc/boot/gunzip_util.c @@ -0,0 +1,206 @@ +/* + * Copyright 2007 David Gibson, IBM Corporation. + * Based on earlier work, 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 <stddef.h> +#include "string.h" +#include "stdio.h" +#include "ops.h" +#include "gunzip_util.h" + +#define HEAD_CRC 2 +#define EXTRA_FIELD 4 +#define ORIG_NAME 8 +#define COMMENT 0x10 +#define RESERVED 0xe0 + +/** + * gunzip_start - prepare to decompress gzip data + * @state: decompressor state structure to be initialized + * @src: buffer containing gzip compressed or uncompressed data + * @srclen: size in bytes of the buffer at src + * + * If the buffer at @src contains a gzip header, this function + * initializes zlib to decompress the data, storing the decompression + * state in @state. The other functions in this file can then be used + * to decompress data from the gzipped stream. + * + * If the buffer at @src does not contain a gzip header, it is assumed + * to contain uncompressed data. The buffer information is recorded + * in @state and the other functions in this file will simply copy + * data from the uncompressed data stream at @src. + * + * Any errors, such as bad compressed data, cause an error to be + * printed an the platform's exit() function to be called. + */ +void gunzip_start(struct gunzip_state *state, void *src, int srclen) +{ + char *hdr = src; + int hdrlen = 0; + + memset(state, 0, sizeof(*state)); + + /* Check for gzip magic number */ + if ((hdr[0] == 0x1f) && (hdr[1] == 0x8b)) { + /* gzip data, initialize zlib parameters */ + int r, flags; + + state->s.workspace = state->scratch; + if (zlib_inflate_workspacesize() > sizeof(state->scratch)) + fatal("insufficient scratch space for gunzip\n\r"); + + /* skip header */ + hdrlen = 10; + flags = hdr[3]; + if (hdr[2] != Z_DEFLATED || (flags & RESERVED) != 0) + fatal("bad gzipped data\n\r"); + if ((flags & EXTRA_FIELD) != 0) + hdrlen = 12 + hdr[10] + (hdr[11] << 8); + if ((flags & ORIG_NAME) != 0) + while (hdr[hdrlen++] != 0) + ; + if ((flags & COMMENT) != 0) + while (hdr[hdrlen++] != 0) + ; + if ((flags & HEAD_CRC) != 0) + hdrlen += 2; + if (hdrlen >= srclen) + fatal("gunzip_start: ran out of data in header\n\r"); + + r = zlib_inflateInit2(&state->s, -MAX_WBITS); + if (r != Z_OK) + fatal("inflateInit2 returned %d\n\r", r); + } + + state->s.next_in = src + hdrlen; + state->s.avail_in = srclen - hdrlen; +} + +/** + * gunzip_partial - extract bytes from a gzip data stream + * @state: gzip state structure previously initialized by gunzip_start() + * @dst: buffer to store extracted data + * @dstlen: maximum number of bytes to extract + * + * This function extracts at most @dstlen bytes from the data stream + * previously associated with @state by gunzip_start(), decompressing + * if necessary. Exactly @dstlen bytes are extracted unless the data + * stream doesn't contain enough bytes, in which case the entire + * remainder of the stream is decompressed. + * + * Returns the actual number of bytes extracted. If any errors occur, + * such as a corrupted compressed stream, an error is printed an the + * platform's exit() function is called. + */ +int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen) +{ + int len; + + if (state->s.workspace) { + /* gunzipping */ + int r; + + state->s.next_out = dst; + state->s.avail_out = dstlen; + r = zlib_inflate(&state->s, Z_FULL_FLUSH); + if (r != Z_OK && r != Z_STREAM_END) + fatal("inflate returned %d msg: %s\n\r", r, state->s.msg); + len = state->s.next_out - (unsigned char *)dst; + } else { + /* uncompressed image */ + len = min(state->s.avail_in, (unsigned)dstlen); + memcpy(dst, state->s.next_in, len); + state->s.next_in += len; + state->s.avail_in -= len; + } + return len; +} + +/** + * gunzip_exactly - extract a fixed number of bytes from a gzip data stream + * @state: gzip state structure previously initialized by gunzip_start() + * @dst: buffer to store extracted data + * @dstlen: number of bytes to extract + * + * This function extracts exactly @dstlen bytes from the data stream + * previously associated with @state by gunzip_start(), decompressing + * if necessary. + * + * If there are less @dstlen bytes available in the data stream, or if + * any other errors occur, such as a corrupted compressed stream, an + * error is printed an the platform's exit() function is called. + */ +void gunzip_exactly(struct gunzip_state *state, void *dst, int dstlen) +{ + int len; + + len = gunzip_partial(state, dst, dstlen); + if (len < dstlen) + fatal("\n\rgunzip_exactly: ran out of data!" + " Wanted %d, got %d.\n\r", dstlen, len); +} + +/** + * gunzip_discard - discard bytes from a gzip data stream + * @state: gzip state structure previously initialized by gunzip_start() + * @len: number of bytes to discard + * + * This function extracts, then discards exactly @len bytes from the + * data stream previously associated with @state by gunzip_start(). + * Subsequent gunzip_partial(), gunzip_exactly() or gunzip_finish() + * calls will extract the data following the discarded bytes in the + * data stream. + * + * If there are less @len bytes available in the data stream, or if + * any other errors occur, such as a corrupted compressed stream, an + * error is printed an the platform's exit() function is called. + */ +void gunzip_discard(struct gunzip_state *state, int len) +{ + static char discard_buf[128]; + + while (len > sizeof(discard_buf)) { + gunzip_exactly(state, discard_buf, sizeof(discard_buf)); + len -= sizeof(discard_buf); + } + + if (len > 0) + gunzip_exactly(state, discard_buf, len); +} + +/** + * gunzip_finish - extract all remaining bytes from a gzip data stream + * @state: gzip state structure previously initialized by gunzip_start() + * @dst: buffer to store extracted data + * @dstlen: maximum number of bytes to extract + * + * This function extracts all remaining data, or at most @dstlen + * bytes, from the stream previously associated with @state by + * gunzip_start(). zlib is then shut down, so it is an error to use + * any of the functions in this file on @state until it is + * re-initialized with another call to gunzip_start(). + * + * If any errors occur, such as a corrupted compressed stream, an + * error is printed an the platform's exit() function is called. + */ +int gunzip_finish(struct gunzip_state *state, void *dst, int dstlen) +{ + int len; + + if (state->s.workspace) { + len = gunzip_partial(state, dst, dstlen); + zlib_inflateEnd(&state->s); + } else { + /* uncompressed image */ + len = min(state->s.avail_in, (unsigned)dstlen); + memcpy(dst, state->s.next_in, len); + } + + return len; +} diff --git a/arch/powerpc/boot/gunzip_util.h b/arch/powerpc/boot/gunzip_util.h new file mode 100644 index 0000000..b3dfa6e --- /dev/null +++ b/arch/powerpc/boot/gunzip_util.h @@ -0,0 +1,45 @@ +/* + * Decompression convenience functions + * + * Copyright 2007 David Gibson, IBM Corporation. + * + * 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_GUNZIP_UTIL_H_ +#define _PPC_BOOT_GUNZIP_UTIL_H_ + +#include "zlib.h" + +/* + * These functions are designed to make life easy for decompressing + * kernel images, initrd images or any other gzip compressed image, + * particularly if its useful to decompress part of the image (e.g. to + * examine headers) before decompressing the remainder. + * + * To use: + * - declare a gunzip_state structure + * - use gunzip_start() to initialize the state, associating it + * with a stream of compressed data + * - use gunzip_partial(), gunzip_exactly() and gunzip_discard() + * in any combination to extract pieces of data from the stream + * - Finally use gunzip_finish() to extract the tail of the + * compressed stream and wind up zlib + */ + +/* scratch space for gunzip; 46912 is from zlib_inflate_workspacesize() */ +#define GUNZIP_SCRATCH_SIZE 46912 + +struct gunzip_state { + z_stream s; + char scratch[46912]; +}; + +void gunzip_start(struct gunzip_state *state, void *src, int srclen); +int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen); +void gunzip_exactly(struct gunzip_state *state, void *dst, int len); +void gunzip_discard(struct gunzip_state *state, int len); +int gunzip_finish(struct gunzip_state *state, void *dst, int len); + +#endif /* _PPC_BOOT_GUNZIP_UTIL_H_ */ diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index 6f6b50d..56b56a8 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -14,11 +14,10 @@ #include "page.h" #include "string.h" #include "stdio.h" -#include "zlib.h" #include "ops.h" +#include "gunzip_util.h" #include "flatdevtree.h" - -extern void flush_cache(void *, unsigned long); +#include "reg.h" extern char _start[]; extern char __bss_start[]; @@ -30,304 +29,173 @@ extern char _initrd_end[]; extern char _dtb_start[]; extern char _dtb_end[]; +static struct gunzip_state gzstate; + struct addr_range { - unsigned long addr; + void *addr; unsigned long size; - unsigned long memsize; }; -static struct addr_range vmlinux; -static struct addr_range vmlinuz; -static struct addr_range initrd; - -static unsigned long elfoffset; -static int is_64bit; - -/* scratch space for gunzip; 46912 is from zlib_inflate_workspacesize() */ -static char scratch[46912]; -static char elfheader[256]; typedef void (*kernel_entry_t)(unsigned long, unsigned long, void *); #undef DEBUG -#define HEAD_CRC 2 -#define EXTRA_FIELD 4 -#define ORIG_NAME 8 -#define COMMENT 0x10 -#define RESERVED 0xe0 - -static void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp) +static struct addr_range prep_kernel(void) { - z_stream s; - int r, i, flags; - - /* skip header */ - i = 10; - flags = src[3]; - if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) { - printf("bad gzipped data\n\r"); - exit(); - } - if ((flags & EXTRA_FIELD) != 0) - i = 12 + src[10] + (src[11] << 8); - if ((flags & ORIG_NAME) != 0) - while (src[i++] != 0) - ; - if ((flags & COMMENT) != 0) - while (src[i++] != 0) - ; - if ((flags & HEAD_CRC) != 0) - i += 2; - if (i >= *lenp) { - printf("gunzip: ran out of data in header\n\r"); - exit(); - } + char elfheader[256]; + void *vmlinuz_addr = _vmlinux_start; + unsigned long vmlinuz_size = _vmlinux_end - _vmlinux_start; + void *addr = 0; + struct elf_info ei; + int len; - if (zlib_inflate_workspacesize() > sizeof(scratch)) { - printf("gunzip needs more mem\n"); - exit(); - } - memset(&s, 0, sizeof(s)); - s.workspace = scratch; - r = zlib_inflateInit2(&s, -MAX_WBITS); - if (r != Z_OK) { - printf("inflateInit2 returned %d\n\r", r); - exit(); - } - s.next_in = src + i; - s.avail_in = *lenp - i; - s.next_out = dst; - s.avail_out = dstlen; - r = zlib_inflate(&s, Z_FULL_FLUSH); - if (r != Z_OK && r != Z_STREAM_END) { - printf("inflate returned %d msg: %s\n\r", r, s.msg); - exit(); + /* gunzip the ELF header of the kernel */ + gunzip_start(&gzstate, vmlinuz_addr, vmlinuz_size); + gunzip_exactly(&gzstate, elfheader, sizeof(elfheader)); + + if (!parse_elf64(elfheader, &ei) && !parse_elf32(elfheader, &ei)) + fatal("Error: not a valid PPC32 or PPC64 ELF file!\n\r"); + + if (platform_ops.image_hdr) + platform_ops.image_hdr(elfheader); + + /* We need to alloc the memsize: gzip will expand the kernel + * text/data, then possible rubbish we don't care about. But + * the kernel bss must be claimed (it will be zero'd by the + * kernel itself) + */ + printf("Allocating 0x%lx bytes for kernel ...\n\r", ei.memsize); + + if (platform_ops.vmlinux_alloc) { + addr = platform_ops.vmlinux_alloc(ei.memsize); + } else { + if ((unsigned long)_start < ei.memsize) + fatal("Insufficient memory for kernel at address 0!" + " (_start=%p)\n\r", _start); } - *lenp = s.next_out - (unsigned char *) dst; - zlib_inflateEnd(&s); -} -static int is_elf64(void *hdr) -{ - Elf64_Ehdr *elf64 = hdr; - Elf64_Phdr *elf64ph; - unsigned int i; - - if (!(elf64->e_ident[EI_MAG0] == ELFMAG0 && - elf64->e_ident[EI_MAG1] == ELFMAG1 && - elf64->e_ident[EI_MAG2] == ELFMAG2 && - elf64->e_ident[EI_MAG3] == ELFMAG3 && - elf64->e_ident[EI_CLASS] == ELFCLASS64 && - elf64->e_ident[EI_DATA] == ELFDATA2MSB && - elf64->e_type == ET_EXEC && - elf64->e_machine == EM_PPC64)) - return 0; - - elf64ph = (Elf64_Phdr *)((unsigned long)elf64 + - (unsigned long)elf64->e_phoff); - for (i = 0; i < (unsigned int)elf64->e_phnum; i++, elf64ph++) - if (elf64ph->p_type == PT_LOAD) - break; - if (i >= (unsigned int)elf64->e_phnum) - return 0; - - elfoffset = (unsigned long)elf64ph->p_offset; - vmlinux.size = (unsigned long)elf64ph->p_filesz + elfoffset; - vmlinux.memsize = (unsigned long)elf64ph->p_memsz + elfoffset; - - is_64bit = 1; - return 1; -} + /* Finally, gunzip the kernel */ + printf("gunzipping (0x%p <- 0x%p:0x%p)...", addr, + vmlinuz_addr, vmlinuz_addr+vmlinuz_size); + /* discard up to the actual load data */ + gunzip_discard(&gzstate, ei.elfoffset - sizeof(elfheader)); + len = gunzip_finish(&gzstate, addr, ei.loadsize); + if (len != ei.loadsize) + fatal("ran out of data! only got 0x%x of 0x%lx bytes.\n\r", + len, ei.loadsize); + printf("done 0x%x bytes\n\r", len); -static int is_elf32(void *hdr) -{ - Elf32_Ehdr *elf32 = hdr; - Elf32_Phdr *elf32ph; - unsigned int i; - - if (!(elf32->e_ident[EI_MAG0] == ELFMAG0 && - elf32->e_ident[EI_MAG1] == ELFMAG1 && - elf32->e_ident[EI_MAG2] == ELFMAG2 && - elf32->e_ident[EI_MAG3] == ELFMAG3 && - elf32->e_ident[EI_CLASS] == ELFCLASS32 && - elf32->e_ident[EI_DATA] == ELFDATA2MSB && - elf32->e_type == ET_EXEC && - elf32->e_machine == EM_PPC)) - return 0; - - elf32 = (Elf32_Ehdr *)elfheader; - elf32ph = (Elf32_Phdr *) ((unsigned long)elf32 + elf32->e_phoff); - for (i = 0; i < elf32->e_phnum; i++, elf32ph++) - if (elf32ph->p_type == PT_LOAD) - break; - if (i >= elf32->e_phnum) - return 0; - - elfoffset = elf32ph->p_offset; - vmlinux.size = elf32ph->p_filesz + elf32ph->p_offset; - vmlinux.memsize = elf32ph->p_memsz + elf32ph->p_offset; - return 1; + flush_cache(addr, ei.loadsize); + + return (struct addr_range){addr, ei.memsize}; } -static void prep_kernel(unsigned long a1, unsigned long a2) +static struct addr_range prep_initrd(struct addr_range vmlinux, void *chosen, + unsigned long initrd_addr, + unsigned long initrd_size) { - int len; - - vmlinuz.addr = (unsigned long)_vmlinux_start; - vmlinuz.size = (unsigned long)(_vmlinux_end - _vmlinux_start); - - /* gunzip the ELF header of the kernel */ - if (*(unsigned short *)vmlinuz.addr == 0x1f8b) { - len = vmlinuz.size; - gunzip(elfheader, sizeof(elfheader), - (unsigned char *)vmlinuz.addr, &len); - } else - memcpy(elfheader, (const void *)vmlinuz.addr, - sizeof(elfheader)); - - if (!is_elf64(elfheader) && !is_elf32(elfheader)) { - printf("Error: not a valid PPC32 or PPC64 ELF file!\n\r"); - exit(); + /* If we have an image attached to us, it overrides anything + * supplied by the loader. */ + if (_initrd_end > _initrd_start) { + printf("Attached initrd image at 0x%p-0x%p\n\r", + _initrd_start, _initrd_end); + initrd_addr = (unsigned long)_initrd_start; + initrd_size = _initrd_end - _initrd_start; + } else if (initrd_size > 0) { + printf("Using loader supplied ramdisk at 0x%lx-0x%lx\n\r", + initrd_addr, initrd_addr + initrd_size); } - if (platform_ops.image_hdr) - platform_ops.image_hdr(elfheader); - /* We need to alloc the memsize plus the file offset since gzip - * will expand the header (file offset), then the kernel, then - * possible rubbish we don't care about. But the kernel bss must - * be claimed (it will be zero'd by the kernel itself) - */ - printf("Allocating 0x%lx bytes for kernel ...\n\r", vmlinux.memsize); - vmlinux.addr = (unsigned long)malloc(vmlinux.memsize); - if (vmlinux.addr == 0) { - printf("Can't allocate memory for kernel image !\n\r"); - exit(); - } + /* If there's no initrd at all, we're done */ + if (! initrd_size) + return (struct addr_range){0, 0}; /* - * Now find the initrd - * - * First see if we have an image attached to us. If so - * allocate memory for it and copy it there. + * If the initrd is too low it will be clobbered when the + * kernel relocates to its final location. In this case, + * allocate a safer place and move it. */ - initrd.size = (unsigned long)(_initrd_end - _initrd_start); - initrd.memsize = initrd.size; - if (initrd.size > 0) { + if (initrd_addr < vmlinux.size) { + void *old_addr = (void *)initrd_addr; + printf("Allocating 0x%lx bytes for initrd ...\n\r", - initrd.size); - initrd.addr = (unsigned long)malloc((u32)initrd.size); - if (initrd.addr == 0) { - printf("Can't allocate memory for initial " - "ramdisk !\n\r"); - exit(); - } - printf("initial ramdisk moving 0x%lx <- 0x%lx " - "(0x%lx bytes)\n\r", initrd.addr, - (unsigned long)_initrd_start, initrd.size); - memmove((void *)initrd.addr, (void *)_initrd_start, - initrd.size); - printf("initrd head: 0x%lx\n\r", - *((unsigned long *)initrd.addr)); - } else if (a2 != 0) { - /* Otherwise, see if yaboot or another loader gave us an initrd */ - initrd.addr = a1; - initrd.memsize = initrd.size = a2; - printf("Using loader supplied initrd at 0x%lx (0x%lx bytes)\n\r", - initrd.addr, initrd.size); + initrd_size); + initrd_addr = (unsigned long)malloc(initrd_size); + if (! initrd_addr) + fatal("Can't allocate memory for initial " + "ramdisk !\n\r"); + printf("Relocating initrd 0x%lx <- 0x%p (0x%lx bytes)\n\r", + initrd_addr, old_addr, initrd_size); + memmove((void *)initrd_addr, old_addr, initrd_size); } - /* Eventually gunzip the kernel */ - if (*(unsigned short *)vmlinuz.addr == 0x1f8b) { - printf("gunzipping (0x%lx <- 0x%lx:0x%0lx)...", - vmlinux.addr, vmlinuz.addr, vmlinuz.addr+vmlinuz.size); - len = vmlinuz.size; - gunzip((void *)vmlinux.addr, vmlinux.memsize, - (unsigned char *)vmlinuz.addr, &len); - printf("done 0x%lx bytes\n\r", len); - } else { - memmove((void *)vmlinux.addr,(void *)vmlinuz.addr, - vmlinuz.size); - } + printf("initrd head: 0x%lx\n\r", *((unsigned long *)initrd_addr)); - /* Skip over the ELF header */ -#ifdef DEBUG - printf("... skipping 0x%lx bytes of ELF header\n\r", - elfoffset); -#endif - vmlinux.addr += elfoffset; + /* Tell the kernel initrd address via device tree */ + setprop_val(chosen, "linux,initrd-start", (u32)(initrd_addr)); + setprop_val(chosen, "linux,initrd-end", (u32)(initrd_addr+initrd_size)); - flush_cache((void *)vmlinux.addr, vmlinux.size); + return (struct addr_range){(void *)initrd_addr, initrd_size}; } /* A buffer that may be edited by tools operating on a zImage binary so as to * edit the command line passed to vmlinux (by setting /chosen/bootargs). * The buffer is put in it's own section so that tools may locate it easier. */ -static char builtin_cmdline[COMMAND_LINE_SIZE] +static char cmdline[COMMAND_LINE_SIZE] __attribute__((__section__("__builtin_cmdline"))); -static void get_cmdline(char *buf, int size) +static void prep_cmdline(void *chosen) { - void *devp; - int len = strlen(builtin_cmdline); - - buf[0] = '\0'; - - if (len > 0) { /* builtin_cmdline overrides dt's /chosen/bootargs */ - len = min(len, size-1); - strncpy(buf, builtin_cmdline, len); - buf[len] = '\0'; - } - else if ((devp = finddevice("/chosen"))) - getprop(devp, "bootargs", buf, size); -} + if (cmdline[0] == '\0') + getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1); -static void set_cmdline(char *buf) -{ - void *devp; + printf("\n\rLinux/PowerPC load: %s", cmdline); + /* If possible, edit the command line */ + if (console_ops.edit_cmdline) + console_ops.edit_cmdline(cmdline, COMMAND_LINE_SIZE); + printf("\n\r"); - if ((devp = finddevice("/chosen"))) - setprop(devp, "bootargs", buf, strlen(buf) + 1); + /* Put the command line back into the devtree for the kernel */ + setprop_str(chosen, "bootargs", cmdline); } struct platform_ops platform_ops; struct dt_ops dt_ops; struct console_ops console_ops; +struct loader_info loader_info; -void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) +void start(void) { + struct addr_range vmlinux, initrd; kernel_entry_t kentry; - char cmdline[COMMAND_LINE_SIZE]; unsigned long ft_addr = 0; + void *chosen; - memset(__bss_start, 0, _end - __bss_start); - memset(&platform_ops, 0, sizeof(platform_ops)); - memset(&dt_ops, 0, sizeof(dt_ops)); - memset(&console_ops, 0, sizeof(console_ops)); + /* Do this first, because malloc() could clobber the loader's + * command line. Only use the loader command line if a + * built-in command line wasn't set by an external tool */ + if ((loader_info.cmdline_len > 0) && (cmdline[0] == '\0')) + memmove(cmdline, loader_info.cmdline, + min(loader_info.cmdline_len, COMMAND_LINE_SIZE-1)); - if (platform_init(promptr, _dtb_start, _dtb_end)) - exit(); if (console_ops.open && (console_ops.open() < 0)) exit(); if (platform_ops.fixups) platform_ops.fixups(); printf("\n\rzImage starting: loaded at 0x%p (sp: 0x%p)\n\r", - _start, sp); + _start, get_sp()); - prep_kernel(a1, a2); + /* Ensure that the device tree has a /chosen node */ + chosen = finddevice("/chosen"); + if (!chosen) + chosen = create_node(NULL, "chosen"); - /* If cmdline came from zimage wrapper or if we can edit the one - * in the dt, print it out and edit it, if possible. - */ - if ((strlen(builtin_cmdline) > 0) || console_ops.edit_cmdline) { - get_cmdline(cmdline, COMMAND_LINE_SIZE); - printf("\n\rLinux/PowerPC load: %s", cmdline); - if (console_ops.edit_cmdline) - console_ops.edit_cmdline(cmdline, COMMAND_LINE_SIZE); - printf("\n\r"); - set_cmdline(cmdline); - } + vmlinux = prep_kernel(); + initrd = prep_initrd(vmlinux, chosen, + loader_info.initrd_addr, loader_info.initrd_size); + prep_cmdline(chosen); printf("Finalizing device tree..."); if (dt_ops.finalize) @@ -335,7 +203,7 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) if (ft_addr) printf(" flat tree at 0x%lx\n\r", ft_addr); else - printf(" using OF tree (promptr=%p)\n\r", promptr); + printf(" using OF tree (promptr=%p)\n\r", loader_info.promptr); if (console_ops.close) console_ops.close(); @@ -344,10 +212,9 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp) if (ft_addr) kentry(ft_addr, 0, NULL); else - /* XXX initrd addr/size should be passed in properties */ - kentry(initrd.addr, initrd.size, promptr); + kentry((unsigned long)initrd.addr, initrd.size, + loader_info.promptr); - /* console closed so printf below may not work */ - printf("Error: Linux kernel returned to zImage boot wrapper!\n\r"); - exit(); + /* console closed so printf in fatal below may not work */ + fatal("Error: Linux kernel returned to zImage boot wrapper!\n\r"); } diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c index 1ffe72e..f8f1b2f 100644 --- a/arch/powerpc/boot/ns16550.c +++ b/arch/powerpc/boot/ns16550.c @@ -55,10 +55,15 @@ static u8 ns16550_tstc(void) int ns16550_console_init(void *devp, struct serial_console_data *scdp) { int n; + unsigned long reg_phys; n = getprop(devp, "virtual-reg", ®_base, sizeof(reg_base)); - if (n != sizeof(reg_base)) - return -1; + if (n != sizeof(reg_base)) { + if (!dt_xlate_reg(devp, 0, ®_phys, NULL)) + return -1; + + reg_base = (void *)reg_phys; + } n = getprop(devp, "reg-shift", ®_shift, sizeof(reg_shift)); if (n != sizeof(reg_shift)) diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c index 0182f38..d16ee3e 100644 --- a/arch/powerpc/boot/of.c +++ b/arch/powerpc/boot/of.c @@ -173,7 +173,7 @@ static void *claim(unsigned long virt, unsigned long size, unsigned long align) return (void *) virt; } -static void *of_try_claim(u32 size) +static void *of_try_claim(unsigned long size) { unsigned long addr = 0; @@ -208,6 +208,16 @@ static void of_image_hdr(const void *hdr) } } +static void *of_vmlinux_alloc(unsigned long size) +{ + void *p = malloc(size); + + if (!p) + fatal("Can't allocate memory for kernel image!\n\r"); + + return p; +} + static void of_exit(void) { call_prom("exit", 0, 0); @@ -256,11 +266,12 @@ static void of_console_write(char *buf, int len) call_prom("write", 3, 1, of_stdout_handle, buf, len); } -int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end) +void platform_init(unsigned long a1, unsigned long a2, void *promptr) { platform_ops.image_hdr = of_image_hdr; platform_ops.malloc = of_try_claim; platform_ops.exit = of_exit; + platform_ops.vmlinux_alloc = of_vmlinux_alloc; dt_ops.finddevice = of_finddevice; dt_ops.getprop = of_getprop; @@ -270,5 +281,9 @@ int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end) console_ops.write = of_console_write; prom = (int (*)(void *))promptr; - return 0; + loader_info.promptr = promptr; + if (a1 && a2 && a2 != 0xdeadbeef) { + loader_info.initrd_addr = a1; + loader_info.initrd_size = a2; + } } diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 8abb651..73bd47a 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -11,7 +11,9 @@ #ifndef _PPC_BOOT_OPS_H_ #define _PPC_BOOT_OPS_H_ +#include <stddef.h> #include "types.h" +#include "string.h" #define COMMAND_LINE_SIZE 512 #define MAX_PATH_LEN 256 @@ -21,10 +23,11 @@ struct platform_ops { void (*fixups)(void); void (*image_hdr)(const void *); - void * (*malloc)(u32 size); + void * (*malloc)(unsigned long size); void (*free)(void *ptr); void * (*realloc)(void *ptr, unsigned long size); void (*exit)(void); + void * (*vmlinux_alloc)(unsigned long size); }; extern struct platform_ops platform_ops; @@ -35,6 +38,12 @@ struct dt_ops { const int buflen); int (*setprop)(const void *phandle, const char *name, const void *buf, const int buflen); + void *(*get_parent)(const void *phandle); + /* The node must not already exist. */ + void *(*create_node)(const void *parent, const char *name); + void *(*find_node_by_prop_value)(const void *prev, + const char *propname, + const char *propval, int proplen); unsigned long (*finalize)(void); }; extern struct dt_ops dt_ops; @@ -58,13 +67,23 @@ struct serial_console_data { void (*close)(void); }; -int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end); +struct loader_info { + void *promptr; + unsigned long initrd_addr, initrd_size; + char *cmdline; + int cmdline_len; +}; +extern struct loader_info loader_info; + +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); -void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, - u32 max_allocs); - +void *simple_alloc_init(char *base, unsigned long heap_size, + unsigned long granularity, unsigned long max_allocs); +extern void flush_cache(void *, unsigned long); +int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size); +int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr); static inline void *finddevice(const char *name) { @@ -76,12 +95,76 @@ static inline int getprop(void *devp, const char *name, void *buf, int buflen) return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1; } -static inline int setprop(void *devp, const char *name, void *buf, int buflen) +static inline int setprop(void *devp, const char *name, + const void *buf, int buflen) { return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1; } +#define setprop_val(devp, name, val) \ + do { \ + typeof(val) x = (val); \ + setprop((devp), (name), &x, sizeof(x)); \ + } while (0) + +static inline int setprop_str(void *devp, const char *name, const char *buf) +{ + if (dt_ops.setprop) + return dt_ops.setprop(devp, name, buf, strlen(buf) + 1); + + return -1; +} + +static inline void *get_parent(const char *devp) +{ + return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL; +} + +static inline void *create_node(const void *parent, const char *name) +{ + return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL; +} + -static inline void *malloc(u32 size) +static inline void *find_node_by_prop_value(const void *prev, + const char *propname, + const char *propval, int proplen) +{ + if (dt_ops.find_node_by_prop_value) + return dt_ops.find_node_by_prop_value(prev, propname, + propval, proplen); + + return NULL; +} + +static inline void *find_node_by_prop_value_str(const void *prev, + const char *propname, + const char *propval) +{ + return find_node_by_prop_value(prev, propname, propval, + strlen(propval) + 1); +} + +static inline void *find_node_by_devtype(const void *prev, + const char *type) +{ + return find_node_by_prop_value_str(prev, "device_type", type); +} + +void dt_fixup_memory(u64 start, u64 size); +void dt_fixup_cpu_clocks(u32 cpufreq, u32 tbfreq, u32 busfreq); +void dt_fixup_clock(const char *path, u32 freq); +void __dt_fixup_mac_addresses(u32 startindex, ...); +#define dt_fixup_mac_addresses(...) \ + __dt_fixup_mac_addresses(0, __VA_ARGS__, NULL) + + +static inline void *find_node_by_linuxphandle(const u32 linuxphandle) +{ + return find_node_by_prop_value(NULL, "linux,phandle", + (char *)&linuxphandle, sizeof(u32)); +} + +static inline void *malloc(unsigned long size) { return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; } @@ -98,5 +181,11 @@ static inline void exit(void) platform_ops.exit(); for(;;); } +#define fatal(args...) { printf(args); exit(); } + + +#define BSS_STACK(size) \ + static char _bss_stack[size]; \ + void *_platform_stack_top = _bss_stack + sizeof(_bss_stack); #endif /* _PPC_BOOT_OPS_H_ */ diff --git a/arch/powerpc/boot/ppcboot.h b/arch/powerpc/boot/ppcboot.h new file mode 100644 index 0000000..5290ff2 --- /dev/null +++ b/arch/powerpc/boot/ppcboot.h @@ -0,0 +1,108 @@ +/* + * This interface is used for compatibility with old U-boots *ONLY*. + * Please do not imitate or extend this. + */ + +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __PPCBOOT_H__ +#define __PPCBOOT_H__ + +/* + * Board information passed to kernel from PPCBoot + * + * include/asm-ppc/ppcboot.h + */ + +#include "types.h" + +typedef struct bd_info { + unsigned long bi_memstart; /* start of DRAM memory */ + unsigned long bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ + unsigned long bi_sramstart; /* start of SRAM memory */ + unsigned long bi_sramsize; /* size of SRAM memory */ +#if defined(TARGET_8xx) || defined(TARGET_CPM2) || defined(TARGET_85xx) ||\ + defined(TARGET_83xx) + unsigned long bi_immr_base; /* base of IMMR register */ +#endif +#if defined(TARGET_PPC_MPC52xx) + unsigned long bi_mbar_base; /* base of internal registers */ +#endif + unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned char bi_enetaddr[6]; /* Ethernet address */ + unsigned short bi_ethspeed; /* Ethernet speed in Mbps */ + unsigned long bi_intfreq; /* Internal Freq, in MHz */ + unsigned long bi_busfreq; /* Bus Freq, in MHz */ +#if defined(TARGET_CPM2) + unsigned long bi_cpmfreq; /* CPM_CLK Freq, in MHz */ + unsigned long bi_brgfreq; /* BRG_CLK Freq, in MHz */ + unsigned long bi_sccfreq; /* SCC_CLK Freq, in MHz */ + unsigned long bi_vco; /* VCO Out from PLL, in MHz */ +#endif +#if defined(TARGET_PPC_MPC52xx) + unsigned long bi_ipbfreq; /* IPB Bus Freq, in MHz */ + unsigned long bi_pcifreq; /* PCI Bus Freq, in MHz */ +#endif + unsigned long bi_baudrate; /* Console Baudrate */ +#if defined(TARGET_4xx) + unsigned char bi_s_version[4]; /* Version of this structure */ + unsigned char bi_r_version[32]; /* Version of the ROM (IBM) */ + unsigned int bi_procfreq; /* CPU (Internal) Freq, in Hz */ + unsigned int bi_plb_busfreq; /* PLB Bus speed, in Hz */ + unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */ + unsigned char bi_pci_enetaddr[6]; /* PCI Ethernet MAC address */ +#endif +#if defined(TARGET_HYMOD) + hymod_conf_t bi_hymod_conf; /* hymod configuration information */ +#endif +#if defined(TARGET_EVB64260) || defined(TARGET_405EP) || defined(TARGET_44x) || \ + defined(TARGET_85xx) || defined(TARGET_83xx) + /* second onboard ethernet port */ + unsigned char bi_enet1addr[6]; +#define HAVE_ENET1ADDR +#endif +#if defined(TARGET_EVB64260) || defined(TARGET_440GX) || defined(TARGET_85xx) + /* third onboard ethernet ports */ + unsigned char bi_enet2addr[6]; +#define HAVE_ENET2ADDR +#endif +#if defined(TARGET_440GX) + /* fourth onboard ethernet ports */ + unsigned char bi_enet3addr[6]; +#define HAVE_ENET3ADDR +#endif +#if defined(TARGET_4xx) + unsigned int bi_opbfreq; /* OB clock in Hz */ + int bi_iic_fast[2]; /* Use fast i2c mode */ +#endif +#if defined(TARGET_440GX) + int bi_phynum[4]; /* phy mapping */ + int bi_phymode[4]; /* phy mode */ +#endif +} bd_t; + +#define bi_tbfreq bi_intfreq + +#endif /* __PPCBOOT_H__ */ diff --git a/arch/powerpc/boot/reg.h b/arch/powerpc/boot/reg.h new file mode 100644 index 0000000..d3cd9ee --- /dev/null +++ b/arch/powerpc/boot/reg.h @@ -0,0 +1,22 @@ +#ifndef _PPC_BOOT_REG_H +#define _PPC_BOOT_REG_H +/* + * Copyright 2007 Davud Gibson, IBM Corporation. + * + * 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. + */ + +static inline u32 mfpvr(void) +{ + u32 pvr; + asm volatile ("mfpvr %0" : "=r"(pvr)); + return pvr; +} + +register void *__stack_pointer asm("r1"); +#define get_sp() (__stack_pointer) + +#endif /* _PPC_BOOT_REG_H */ diff --git a/arch/powerpc/boot/simple_alloc.c b/arch/powerpc/boot/simple_alloc.c index cfe3a75..65ec135 100644 --- a/arch/powerpc/boot/simple_alloc.c +++ b/arch/powerpc/boot/simple_alloc.c @@ -19,24 +19,24 @@ #define ENTRY_IN_USE 0x02 static struct alloc_info { - u32 flags; - u32 base; - u32 size; + unsigned long flags; + unsigned long base; + unsigned long size; } *alloc_tbl; -static u32 tbl_entries; -static u32 alloc_min; -static u32 next_base; -static u32 space_left; +static unsigned long tbl_entries; +static unsigned long alloc_min; +static unsigned long next_base; +static unsigned long space_left; /* * First time an entry is used, its base and size are set. * An entry can be freed and re-malloc'd but its base & size don't change. * Should be smart enough for needs of bootwrapper. */ -static void *simple_malloc(u32 size) +static void *simple_malloc(unsigned long size) { - u32 i; + unsigned long i; struct alloc_info *p = alloc_tbl; if (size == 0) @@ -67,13 +67,14 @@ err_out: static struct alloc_info *simple_find_entry(void *ptr) { - u32 i; + unsigned long i; struct alloc_info *p = alloc_tbl; for (i=0; i<tbl_entries; i++,p++) { if (!(p->flags & ENTRY_BEEN_USED)) break; - if ((p->flags & ENTRY_IN_USE) && (p->base == (u32)ptr)) + if ((p->flags & ENTRY_IN_USE) && + (p->base == (unsigned long)ptr)) return p; } return NULL; @@ -122,10 +123,10 @@ static void *simple_realloc(void *ptr, unsigned long size) * Returns addr of first byte after heap so caller can see if it took * too much space. If so, change args & try again. */ -void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, - u32 max_allocs) +void *simple_alloc_init(char *base, unsigned long heap_size, + unsigned long granularity, unsigned long max_allocs) { - u32 heap_base, tbl_size; + unsigned long heap_base, tbl_size; heap_size = _ALIGN_UP(heap_size, granularity); alloc_min = granularity; @@ -136,7 +137,7 @@ void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, alloc_tbl = (struct alloc_info *)_ALIGN_UP((unsigned long)base, 8); memset(alloc_tbl, 0, tbl_size); - heap_base = _ALIGN_UP((u32)alloc_tbl + tbl_size, alloc_min); + heap_base = _ALIGN_UP((unsigned long)alloc_tbl + tbl_size, alloc_min); next_base = heap_base; space_left = heap_size; diff --git a/arch/powerpc/boot/stdio.h b/arch/powerpc/boot/stdio.h index 73b8a91..adffc58 100644 --- a/arch/powerpc/boot/stdio.h +++ b/arch/powerpc/boot/stdio.h @@ -7,11 +7,12 @@ #define EINVAL 22 /* Invalid argument */ #define ENOSPC 28 /* No space left on device */ -extern int printf(const char *fmt, ...); +extern int printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); #define fprintf(fmt, args...) printf(args) -extern int sprintf(char *buf, const char *fmt, ...); +extern int sprintf(char *buf, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); extern int vsprintf(char *buf, const char *fmt, va_list args); diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 024e4d4..5cedd90 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -29,6 +29,7 @@ initrd= dtb= dts= cacheit= +gzip=.gz # cross-compilation prefix CROSS= @@ -42,7 +43,7 @@ tmpdir=. usage() { echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2 echo ' [-d devtree] [-s tree.dts] [-c] [-C cross-prefix]' >&2 - echo ' [-D datadir] [-W workingdir] [vmlinux]' >&2 + echo ' [-D datadir] [-W workingdir] [--no-gzip] [vmlinux]' >&2 exit 1 } @@ -91,6 +92,9 @@ while [ "$#" -gt 0 ]; do [ "$#" -gt 0 ] || usage tmpdir="$1" ;; + --no-gzip) + gzip= + ;; -?) usage ;; @@ -137,31 +141,44 @@ miboot|uboot) ksection=image isection=initrd ;; +cuboot*) + gzip= + ;; esac vmz="$tmpdir/`basename \"$kernel\"`.$ext" -if [ -z "$cacheit" -o ! -f "$vmz.gz" -o "$vmz.gz" -ot "$kernel" ]; then +if [ -z "$cacheit" -o ! -f "$vmz$gzip" -o "$vmz$gzip" -ot "$kernel" ]; then ${CROSS}objcopy $objflags "$kernel" "$vmz.$$" - gzip -f -9 "$vmz.$$" + + if [ -n "$gzip" ]; then + gzip -f -9 "$vmz.$$" + fi + if [ -n "$cacheit" ]; then - mv -f "$vmz.$$.gz" "$vmz.gz" + mv -f "$vmz.$$$gzip" "$vmz$gzip" else vmz="$vmz.$$" fi fi +vmz="$vmz$gzip" + case "$platform" in -uboot) - rm -f "$ofile" +uboot|cuboot*) version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ cut -d' ' -f3` if [ -n "$version" ]; then version="-n Linux-$version" fi +esac + +case "$platform" in +uboot) + rm -f "$ofile" mkimage -A ppc -O linux -T kernel -C gzip -a 00000000 -e 00000000 \ - $version -d "$vmz.gz" "$ofile" + $version -d "$vmz" "$ofile" if [ -z "$cacheit" ]; then - rm -f $vmz.gz + rm -f "$vmz" fi exit 0 ;; @@ -173,9 +190,9 @@ addsec() { --set-section-flags=$3=contents,alloc,load,readonly,data } -addsec $tmp "$vmz.gz" $ksection $object/empty.o +addsec $tmp "$vmz" $ksection $object/empty.o if [ -z "$cacheit" ]; then - rm -f "$vmz.gz" + rm -f "$vmz" fi if [ -n "$initrd" ]; then @@ -191,7 +208,7 @@ fi if [ "$platform" != "miboot" ]; then ${CROSS}ld -m elf32ppc -T $lds -o "$ofile" \ - $object/crt0.o $platformo $tmp $object/wrapper.a + $platformo $tmp $object/wrapper.a rm $tmp fi @@ -201,7 +218,19 @@ pseries|chrp) $object/addnote "$ofile" ;; pmaccoff) - ${CROSS}objcopy -O aixcoff-rs6000 --set-start 0x500000 "$ofile" + entry=`objdump -f "$ofile" | grep '^start address ' | \ + cut -d' ' -f3` + ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" $object/hack-coff "$ofile" ;; +cuboot*) + base=`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` + entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | \ + cut -d' ' -f3` + mv "$ofile" "$ofile".elf + ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin + gzip -f -9 "$ofile".bin + mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ + $version -d "$ofile".bin.gz "$ofile" + ;; esac diff --git a/arch/powerpc/boot/zImage.coff.lds.S b/arch/powerpc/boot/zImage.coff.lds.S index a360905..fe87a90 100644 --- a/arch/powerpc/boot/zImage.coff.lds.S +++ b/arch/powerpc/boot/zImage.coff.lds.S @@ -1,5 +1,6 @@ OUTPUT_ARCH(powerpc:common) -ENTRY(_start) +ENTRY(_zimage_start_opd) +EXTERN(_zimage_start_opd) SECTIONS { . = (5*1024*1024); diff --git a/arch/powerpc/boot/zImage.lds.S b/arch/powerpc/boot/zImage.lds.S index 4be3c64..f6e380f 100644 --- a/arch/powerpc/boot/zImage.lds.S +++ b/arch/powerpc/boot/zImage.lds.S @@ -1,5 +1,6 @@ OUTPUT_ARCH(powerpc:common) ENTRY(_zimage_start) +EXTERN(_zimage_start) SECTIONS { . = (4*1024*1024); |
