diff options
Diffstat (limited to 'arch/powerpc/boot')
| -rw-r--r-- | arch/powerpc/boot/Makefile | 21 | ||||
| -rw-r--r-- | arch/powerpc/boot/ps3-head.S | 80 | ||||
| -rw-r--r-- | arch/powerpc/boot/ps3-hvcall.S | 184 | ||||
| -rw-r--r-- | arch/powerpc/boot/ps3.c | 161 | ||||
| -rwxr-xr-x | arch/powerpc/boot/wrapper | 55 | ||||
| -rw-r--r-- | arch/powerpc/boot/zImage.ps3.lds.S | 50 |
6 files changed, 542 insertions, 9 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 5b2c59b1b2a..396821cfaad 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -46,7 +46,8 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ - cuboot-ebony.c treeboot-ebony.c prpmc2800.c + cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ + ps3-head.S ps3-hvcall.S ps3.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -75,11 +76,11 @@ $(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/% $(obj)/empty.c: @touch $@ -$(obj)/zImage.lds $(obj)/zImage.coff.lds: $(obj)/%: $(srctree)/$(src)/%.S +$(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds: $(obj)/%: $(srctree)/$(src)/%.S @cp $< $@ clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \ - empty.c zImage.coff.lds zImage.lds + empty.c zImage zImage.coff.lds zImage.ps3.lds zImage.lds quiet_cmd_bootcc = BOOTCC $@ cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $< @@ -102,7 +103,7 @@ hostprogs-y := addnote addRamDisk hack-coff mktree targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ - $(obj)/zImage.lds $(obj)/zImage.coff.lds + $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds wrapper :=$(srctree)/$(src)/wrapper wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \ @@ -179,11 +180,12 @@ $(obj)/zImage.%: vmlinux $(wrapperbits) $(dts) $(obj)/zImage.iseries: vmlinux $(STRIP) -s -R .comment $< -o $@ -$(obj)/zImage.ps3: vmlinux - $(STRIP) -s -R .comment $< -o $@ +$(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts + $(STRIP) -s -R .comment $< -o vmlinux.strip + $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,) -$(obj)/zImage.initrd.ps3: vmlinux - @echo " WARNING zImage.initrd.ps3 not supported (yet)" +$(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz + $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz) $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) @@ -206,7 +208,8 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $< # anything not in $(targets) -clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* +clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* \ + otheros.bld # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S new file mode 100644 index 00000000000..1a6d64a68df --- /dev/null +++ b/arch/powerpc/boot/ps3-head.S @@ -0,0 +1,80 @@ +/* + * PS3 bootwrapper entry. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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 + */ + +#include "ppc_asm.h" + + .text + +/* + * __system_reset_overlay - The PS3 first stage entry. + * + * The bootwraper build script copies the 0x100 bytes at symbol + * __system_reset_overlay to offset 0x100 of the rom image. + * + * The PS3 has a single processor with two threads. + */ + + .globl __system_reset_overlay +__system_reset_overlay: + + /* Switch to 32-bit mode. */ + + mfmsr r9 + clrldi r9,r9,1 + mtmsrd r9 + nop + + /* Get thread number in r3 and branch. */ + + mfspr r3, 0x88 + cntlzw. r3, r3 + li r4, 0 + li r5, 0 + beq 1f + + /* Secondary goes to __secondary_hold in kernel. */ + + li r4, 0x60 + mtctr r4 + bctr + + /* Primary delays then goes to _zimage_start in wrapper. */ +1: + or 31, 31, 31 /* db16cyc */ + or 31, 31, 31 /* db16cyc */ + + lis r4, _zimage_start@ha + addi r4, r4, _zimage_start@l + mtctr r4 + bctr + +/* + * __system_reset_kernel - Place holder for the kernel reset vector. + * + * The bootwrapper build script copies 0x100 bytes from offset 0x100 + * of the rom image to the symbol __system_reset_kernel. At runtime + * the bootwrapper program copies the 0x100 bytes at __system_reset_kernel + * to ram address 0x100. This symbol must occupy 0x100 bytes. + */ + + .globl __system_reset_kernel +__system_reset_kernel: + + . = __system_reset_kernel + 0x100 diff --git a/arch/powerpc/boot/ps3-hvcall.S b/arch/powerpc/boot/ps3-hvcall.S new file mode 100644 index 00000000000..c8b7df3210d --- /dev/null +++ b/arch/powerpc/boot/ps3-hvcall.S @@ -0,0 +1,184 @@ +/* + * PS3 bootwrapper hvcalls. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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 + */ + +#include "ppc_asm.h" + +/* + * The PS3 hypervisor uses a 64 bit "C" language calling convention. + * The routines here marshal arguments between the 32 bit wrapper + * program and the 64 bit hvcalls. + * + * wrapper lv1 + * 32-bit (h,l) 64-bit + * + * 1: r3,r4 <-> r3 + * 2: r5,r6 <-> r4 + * 3: r7,r8 <-> r5 + * 4: r9,r10 <-> r6 + * 5: 8(r1),12(r1) <-> r7 + * 6: 16(r1),20(r1) <-> r8 + * 7: 24(r1),28(r1) <-> r9 + * 8: 32(r1),36(r1) <-> r10 + * + */ + +.macro GLOBAL name + .section ".text" + .balign 4 + .globl \name +\name: +.endm + +.macro NO_SUPPORT name + GLOBAL \name + b ps3_no_support +.endm + +.macro HVCALL num + li r11, \num + .long 0x44000022 + extsw r3, r3 +.endm + +.macro SAVE_LR offset=4 + mflr r0 + stw r0, \offset(r1) +.endm + +.macro LOAD_LR offset=4 + lwz r0, \offset(r1) + mtlr r0 +.endm + +.macro LOAD_64_REG target,high,low + sldi r11, \high, 32 + or \target, r11, \low +.endm + +.macro LOAD_64_STACK target,offset + ld \target, \offset(r1) +.endm + +.macro LOAD_R3 + LOAD_64_REG r3,r3,r4 +.endm + +.macro LOAD_R4 + LOAD_64_REG r4,r5,r6 +.endm + +.macro LOAD_R5 + LOAD_64_REG r5,r7,r8 +.endm + +.macro LOAD_R6 + LOAD_64_REG r6,r9,r10 +.endm + +.macro LOAD_R7 + LOAD_64_STACK r7,8 +.endm + +.macro LOAD_R8 + LOAD_64_STACK r8,16 +.endm + +.macro LOAD_R9 + LOAD_64_STACK r9,24 +.endm + +.macro LOAD_R10 + LOAD_64_STACK r10,32 +.endm + +.macro LOAD_REGS_0 + stwu 1,-16(1) + stw 3, 8(1) +.endm + +.macro LOAD_REGS_5 + LOAD_R3 + LOAD_R4 + LOAD_R5 + LOAD_R6 + LOAD_R7 +.endm + +.macro LOAD_REGS_6 + LOAD_REGS_5 + LOAD_R8 +.endm + +.macro LOAD_REGS_8 + LOAD_REGS_6 + LOAD_R9 + LOAD_R10 +.endm + +.macro STORE_REGS_0_1 + lwz r11, 8(r1) + std r4, 0(r11) + mr r4, r3 + li r3, 0 + addi r1,r1,16 +.endm + +.macro STORE_REGS_5_2 + lwz r11, 16(r1) + std r4, 0(r11) + lwz r11, 24(r1) + std r5, 0(r11) +.endm + +.macro STORE_REGS_6_1 + lwz r11, 24(r1) + std r4, 0(r11) +.endm + +GLOBAL lv1_get_logical_ppe_id + SAVE_LR + LOAD_REGS_0 + HVCALL 69 + STORE_REGS_0_1 + LOAD_LR + blr + +GLOBAL lv1_get_logical_partition_id + SAVE_LR + LOAD_REGS_0 + HVCALL 74 + STORE_REGS_0_1 + LOAD_LR + blr + +GLOBAL lv1_get_repository_node_value + SAVE_LR + LOAD_REGS_5 + HVCALL 91 + STORE_REGS_5_2 + LOAD_LR + blr + +GLOBAL lv1_panic + SAVE_LR + LOAD_REGS_8 + HVCALL 255 + LOAD_LR + blr diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c new file mode 100644 index 00000000000..893d59339c2 --- /dev/null +++ b/arch/powerpc/boot/ps3.c @@ -0,0 +1,161 @@ +/* + * PS3 bootwrapper support. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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 + */ + +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" + +extern s64 lv1_panic(u64 in_1); +extern s64 lv1_get_logical_partition_id(u64 *out_1); +extern s64 lv1_get_logical_ppe_id(u64 *out_1); +extern s64 lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3, + u64 in_4, u64 in_5, u64 *out_1, u64 *out_2); + +#ifdef DEBUG +#define DBG(fmt...) printf(fmt) +#else +static inline int __attribute__ ((format (printf, 1, 2))) DBG( + const char *fmt, ...) {return 0;} +#endif + +BSS_STACK(4096); + +/* 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 cmdline[COMMAND_LINE_SIZE] + __attribute__((__section__("__builtin_cmdline"))); + +static void prep_cmdline(void *chosen) +{ + if (cmdline[0] == '\0') + getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1); + else + setprop_str(chosen, "bootargs", cmdline); + + printf("cmdline: '%s'\n", cmdline); +} + +static void ps3_console_write(const char *buf, int len) +{ +} + +static void ps3_exit(void) +{ + printf("ps3_exit\n"); + + /* lv1_panic will shutdown the lpar. */ + + lv1_panic(0); /* zero = do not reboot */ + while (1); +} + +static int ps3_repository_read_rm_size(u64 *rm_size) +{ + s64 result; + u64 lpar_id; + u64 ppe_id; + u64 v2; + + result = lv1_get_logical_partition_id(&lpar_id); + + if (result) + return -1; + + result = lv1_get_logical_ppe_id(&ppe_id); + + if (result) + return -1; + + /* + * n1: 0000000062690000 : ....bi.. + * n2: 7075000000000000 : pu...... + * n3: 0000000000000001 : ........ + * n4: 726d5f73697a6500 : rm_size. + */ + + result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL, + 0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size, + &v2); + + printf("%s:%d: ppe_id %lu \n", __func__, __LINE__, + (unsigned long)ppe_id); + printf("%s:%d: lpar_id %lu \n", __func__, __LINE__, + (unsigned long)lpar_id); + printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size); + + return result ? -1 : 0; +} + +void ps3_copy_vectors(void) +{ + extern char __system_reset_kernel[]; + + memcpy((void *)0x100, __system_reset_kernel, 0x100); + flush_cache((void *)0x100, 0x100); +} + +void platform_init(void) +{ + extern char _end[]; + extern char _dtb_start[]; + extern char _initrd_start[]; + extern char _initrd_end[]; + const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */ + void *chosen; + unsigned long ft_addr; + u64 rm_size; + + console_ops.write = ps3_console_write; + platform_ops.exit = ps3_exit; + + printf("\n-- PS3 bootwrapper --\n"); + + simple_alloc_init(_end, heapsize, 32, 64); + ft_init(_dtb_start, 0, 4); + + chosen = finddevice("/chosen"); + + ps3_repository_read_rm_size(&rm_size); + dt_fixup_memory(0, rm_size); + + if (_initrd_end > _initrd_start) { + setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start)); + setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end)); + } + + prep_cmdline(chosen); + + ft_addr = dt_ops.finalize(); + + ps3_copy_vectors(); + + printf(" flat tree at 0x%lx\n\r", ft_addr); + + ((kernel_entry_t)0)(ft_addr, 0, NULL); + + ps3_exit(); +} diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index da77adc7307..65f68547917 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -144,6 +144,15 @@ miboot|uboot) cuboot*) gzip= ;; +ps3) + platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" + lds=$object/zImage.ps3.lds + gzip= + ext=bin + objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data" + ksection=.kernel:vmlinux.bin + isection=.kernel:initrd + ;; esac vmz="$tmpdir/`basename \"$kernel\"`.$ext" @@ -239,4 +248,50 @@ treeboot*) fi exit 0 ;; +ps3) + # The ps3's loader supports loading gzipped binary images from flash + # rom to addr zero. The loader enters the image at addr 0x100. A + # bootwrapper overlay is use to arrange for the kernel to be loaded + # to addr zero and to have a suitable bootwrapper entry at 0x100. + # To construct the rom image, 0x100 bytes from offset 0x100 in the + # kernel is copied to the bootwrapper symbol __system_reset_kernel. + # The 0x100 bytes at the bootwrapper symbol __system_reset_overlay is + # then copied to offset 0x100. At runtime the bootwrapper program + # copies the 0x100 bytes at __system_reset_kernel to addr 0x100. + + system_reset_overlay=0x`${CROSS}nm "$ofile" \ + | grep ' __system_reset_overlay$' \ + | cut -d' ' -f1` + system_reset_overlay=`printf "%d" $system_reset_overlay` + system_reset_kernel=0x`${CROSS}nm "$ofile" \ + | grep ' __system_reset_kernel$' \ + | cut -d' ' -f1` + system_reset_kernel=`printf "%d" $system_reset_kernel` + overlay_dest="256" + overlay_size="256" + + rm -f "$object/otheros.bld" + + ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" + + msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ + skip=$overlay_dest seek=$system_reset_kernel \ + count=$overlay_size bs=1 2>&1) + + if [ $? -ne "0" ]; then + echo $msg + exit 1 + fi + + msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ + skip=$system_reset_overlay seek=$overlay_dest \ + count=$overlay_size bs=1 2>&1) + + if [ $? -ne "0" ]; then + echo $msg + exit 2 + fi + + gzip --force -9 --stdout "$ofile.bin" > "$object/otheros.bld" + ;; esac diff --git a/arch/powerpc/boot/zImage.ps3.lds.S b/arch/powerpc/boot/zImage.ps3.lds.S new file mode 100644 index 00000000000..aaa469c1e60 --- /dev/null +++ b/arch/powerpc/boot/zImage.ps3.lds.S @@ -0,0 +1,50 @@ +OUTPUT_ARCH(powerpc:common) +ENTRY(_zimage_start) +EXTERN(_zimage_start) +SECTIONS +{ + _vmlinux_start = .; + .kernel:vmlinux.bin : { *(.kernel:vmlinux.bin) } + _vmlinux_end = .; + + . = ALIGN(4096); + _dtb_start = .; + .kernel:dtb : { *(.kernel:dtb) } + _dtb_end = .; + + . = ALIGN(4096); + _initrd_start = .; + .kernel:initrd : { *(.kernel:initrd) } + _initrd_end = .; + + _start = .; + .text : + { + *(.text) + *(.fixup) + } + _etext = .; + . = ALIGN(4096); + .data : + { + *(.rodata*) + *(.data*) + *(.sdata*) + __got2_start = .; + *(.got2) + __got2_end = .; + } + + . = ALIGN(4096); + _edata = .; + + . = ALIGN(4096); + __bss_start = .; + .bss : + { + *(.sbss) + *(.bss) + } + . = ALIGN(4096); + _end = . ; +} |