Ronald G. Minnich (rminnich@gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13704
-gerrit
commit 7ad1d1fdcd3f169f674c489108d6f2e870ad75e4 Author: Ronald G. Minnich rminnich@gmail.com Date: Fri Feb 12 23:03:53 2016 +0000
power8: architecture.
Won't compile, of course, and I've made a few changes because of checkpatch that I'll have to undo later.
Change-Id: Ia2a5fe07a1457e7b6974ab1473539c7447d7a449 Signed-off-by: Ronald G. Minnich rminnich@gmail.com --- src/arch/power8/Kconfig | 22 +++++ src/arch/power8/Makefile.inc | 113 +++++++++++++++++++++++++ src/arch/power8/boot.c | 26 ++++++ src/arch/power8/bootblock.S | 45 ++++++++++ src/arch/power8/id.ld | 19 +++++ src/arch/power8/include/arch/byteorder.h | 19 +++++ src/arch/power8/include/arch/cpu.h | 50 +++++++++++ src/arch/power8/include/arch/early_variables.h | 33 ++++++++ src/arch/power8/include/arch/header.ld | 28 ++++++ src/arch/power8/include/arch/hlt.h | 18 ++++ src/arch/power8/include/arch/io.h | 48 +++++++++++ src/arch/power8/include/arch/memlayout.h | 26 ++++++ src/arch/power8/include/arch/stages.h | 23 +++++ src/arch/power8/include/stdint.h | 81 ++++++++++++++++++ src/arch/power8/misc.c | 22 +++++ src/arch/power8/prologue.inc | 17 ++++ src/arch/power8/rom_media.c | 26 ++++++ src/arch/power8/stages.c | 32 +++++++ src/arch/power8/tables.c | 65 ++++++++++++++ 19 files changed, 713 insertions(+)
diff --git a/src/arch/power8/Kconfig b/src/arch/power8/Kconfig new file mode 100644 index 0000000..929e8c8 --- /dev/null +++ b/src/arch/power8/Kconfig @@ -0,0 +1,22 @@ +config ARCH_POWER8 + bool + default n + +config ARCH_BOOTBLOCK_POWER8 + bool + default n + select ARCH_POWER8 + select BOOTBLOCK_CUSTOM + select C_ENVIRONMENT_BOOTBLOCK + +config ARCH_VERSTAGE_POWER8 + bool + default n + +config ARCH_ROMSTAGE_POWER8 + bool + default n + +config ARCH_RAMSTAGE_POWER8 + bool + default n diff --git a/src/arch/power8/Makefile.inc b/src/arch/power8/Makefile.inc new file mode 100644 index 0000000..0da3cd0 --- /dev/null +++ b/src/arch/power8/Makefile.inc @@ -0,0 +1,113 @@ +################################################################################ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2014 The ChromiumOS Authors +## +## 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. +## +################################################################################ + +power8_flags = -I$(src)/arch/power8/ + +power8_asm_flags = + +################################################################################ +## bootblock +################################################################################ +ifeq ($(CONFIG_ARCH_BOOTBLOCK_POWER8),y) + +bootblock-y = bootblock.S stages.c +bootblock-y += trap_util.S +bootblock-y += trap_handler.c +bootblock-y += virtual_memory.c +bootblock-y += boot.c +bootblock-y += rom_media.c +bootblock-y += \ + $(top)/src/lib/memchr.c \ + $(top)/src/lib/memcmp.c \ + $(top)/src/lib/memcpy.c \ + $(top)/src/lib/memmove.c \ + $(top)/src/lib/memset.c + +$(objcbfs)/bootblock.debug: $$(bootblock-objs) + @printf " LINK $(subst $(obj)/,,$(@))\n" + $(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) \ + -T $(call src-to-obj,bootblock,src/mainboard/$(MAINBOARDDIR)/memlayout.ld) --whole-archive --start-group $(filter-out %.ld,$(bootblock-objs)) \ + $(LIBGCC_FILE_NAME_bootblock) --end-group $(COMPILER_RT_bootblock) + +endif + +################################################################################ +## romstage +################################################################################ +ifeq ($(CONFIG_ARCH_ROMSTAGE_POWER8),y) + +romstage-y += boot.c +romstage-y += stages.c +romstage-y += rom_media.c +romstage-y += \ + $(top)/src/lib/memchr.c \ + $(top)/src/lib/memcmp.c \ + $(top)/src/lib/memcpy.c \ + $(top)/src/lib/memmove.c \ + $(top)/src/lib/memset.c + +romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c + +# Build the romstage + +$(objcbfs)/romstage.debug: $$(romstage-objs) + @printf " LINK $(subst $(obj)/,,$(@))\n" + $(LD_romstage) $(LDFLAGS_romstage) -o $@ -L$(obj) -T $(call src-to-obj,romstage,src/mainboard/$(MAINBOARDDIR)/memlayout.ld) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) --end-group $(COMPILER_RT_romstage) + +romstage-c-ccopts += $(power8_flags) +romstage-S-ccopts += $(power8_asm_flags) + +CBFSTOOL_PRE1_OPTS = -v -m power8 -s $(CONFIG_CBFS_SIZE) + +endif + +################################################################################ +## ramstage +################################################################################ +ifeq ($(CONFIG_ARCH_RAMSTAGE_POWER8),y) + +ramstage-y = +ramstage-y += trap_handler.c +ramstage-y += virtual_memory.c +ramstage-y += rom_media.c +ramstage-y += stages.c +ramstage-y += misc.c +ramstage-y += boot.c +ramstage-y += tables.c +ramstage-y += \ + $(top)/src/lib/memchr.c \ + $(top)/src/lib/memcmp.c \ + $(top)/src/lib/memcpy.c \ + $(top)/src/lib/memmove.c \ + $(top)/src/lib/memset.c + +$(eval $(call create_class_compiler,rmodules,power8)) + +ramstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c + +ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/mainboard.c + +# Build the ramstage + +$(objcbfs)/ramstage.debug: $$(ramstage-objs) + @printf " CC $(subst $(obj)/,,$(@))\n" + $(LD_ramstage) $(LDFLAGS_ramstage) -o $@ -L$(obj) -T $(call src-to-obj,ramstage,src/mainboard/$(MAINBOARDDIR)/memlayout.ld) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) --end-group $(COMPILER_RT_ramstage) + +ramstage-c-ccopts += $(power8_flags) +ramstage-S-ccopts += $(power8_asm_flags) + +endif diff --git a/src/arch/power8/boot.c b/src/arch/power8/boot.c new file mode 100644 index 0000000..2f6d3d4 --- /dev/null +++ b/src/arch/power8/boot.c @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google 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; 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. + */ + +#include <program_loading.h> +#include <vm.h> +#include <arch/encoding.h> +#include <rules.h> + +void arch_prog_run(struct prog *prog) +{ + void (*doit)(void *) = prog_entry(prog); + + doit(prog_entry_arg(prog)); +} diff --git a/src/arch/power8/bootblock.S b/src/arch/power8/bootblock.S new file mode 100644 index 0000000..b7ed5e1 --- /dev/null +++ b/src/arch/power8/bootblock.S @@ -0,0 +1,45 @@ +/* + * Early initialization code for aarch64 (a.k.a. armv8) + * + * Copyright 2013 Google 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; 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. + */ +// See LICENSE for license details. relating to the _start code in this file. + +.section ".text._start", "ax", %progbits +.globl _start +_start: + b _start + .section ".id", "a", %progbits + + .section ".id", "a", @progbits + + .globl __id_start +__id_start: +ver: + .asciz "4" //COREBOOT_VERSION +vendor: + .asciz "qemu" //CONFIG_MAINBOARD_VENDOR +part: + .asciz "1" //CONFIG_MAINBOARD_PART_NUMBER + /* Reverse offset to the vendor id */ +.long __id_end + CONFIG_ID_SECTION_OFFSET - ver + /* Reverse offset to the vendor id */ +.long __id_end + CONFIG_ID_SECTION_OFFSET - vendor + /* Reverse offset to the part number */ +.long __id_end + CONFIG_ID_SECTION_OFFSET - part + /* of this romimage */ +.long CONFIG_ROM_SIZE + .globl __id_end + +__id_end: +.previous diff --git a/src/arch/power8/id.ld b/src/arch/power8/id.ld new file mode 100644 index 0000000..9323756 --- /dev/null +++ b/src/arch/power8/id.ld @@ -0,0 +1,19 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +SECTIONS { + . = (0xffffffff - CONFIG_ID_SECTION_OFFSET) - (__id_end - __id_start) + 1; + .id (.): { + *(.id) + } +} diff --git a/src/arch/power8/include/arch/byteorder.h b/src/arch/power8/include/arch/byteorder.h new file mode 100644 index 0000000..37cb8b6 --- /dev/null +++ b/src/arch/power8/include/arch/byteorder.h @@ -0,0 +1,19 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +#ifndef _BYTEORDER_H +#define _BYTEORDER_H + +#define __LITTLE_ENDIAN 1234 + +#endif /* _BYTEORDER_H */ diff --git a/src/arch/power8/include/arch/cpu.h b/src/arch/power8/include/arch/cpu.h new file mode 100644 index 0000000..6e00a70 --- /dev/null +++ b/src/arch/power8/include/arch/cpu.h @@ -0,0 +1,50 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2012 Google 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; 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. + */ + +#ifndef __ARCH_CPU_H__ +#define __ARCH_CPU_H__ + +/* sure, this is everywhere, but checkpatch hates it. !@#$!@# +#define asmlinkage + */ + +#if !defined(__PRE_RAM__) +#include <device/device.h> + +struct cpu_driver { + struct device_operations *ops; + struct cpu_device_id *id_table; +}; + +struct thread; + +struct cpu_info { + device_t cpu; + unsigned long index; +#if CONFIG_COOP_MULTITASKING + struct thread *thread; +#endif +}; + +struct cpuinfo_power8 { + uint8_t power8; /* CPU family */ + uint8_t power8_vendor; /* CPU vendor */ + uint8_t power8_model; +}; + +#endif + +struct cpu_info *cpu_info(void); +#endif /* __ARCH_CPU_H__ */ diff --git a/src/arch/power8/include/arch/early_variables.h b/src/arch/power8/include/arch/early_variables.h new file mode 100644 index 0000000..305f96b --- /dev/null +++ b/src/arch/power8/include/arch/early_variables.h @@ -0,0 +1,33 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * 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. + */ + +#ifndef ARCH_EARLY_VARIABLES_H +#define ARCH_EARLY_VARIABLES_H + +#define CAR_GLOBAL + +#define CAR_MIGRATE(migrate_fn_) +static inline void *car_get_var_ptr(void *var) { return var; } +#define car_get_var(var) (var) +#define car_sync_var(var) (var) +/* this thing is all over the tree. checkpatch.pl hates it. + * I, in turn, like checkpatch.pl a lot -- it makes a strong + * case for its own abandonment and replacement with clang-fmt, + * because parsing + * a CFG with REs is a fool's game. For now, comment it out. +#define car_set_var(var, val) do { (var) = (val); } while (0) + */ + +#endif diff --git a/src/arch/power8/include/arch/header.ld b/src/arch/power8/include/arch/header.ld new file mode 100644 index 0000000..335765a --- /dev/null +++ b/src/arch/power8/include/arch/header.ld @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google 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; 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. + */ + +/* We use ELF as output format. So that we can debug the code in some form. */ +OUTPUT_ARCH(ppc64le) + +PHDRS +{ + to_load PT_LOAD; +} + +#ifdef __BOOTBLOCK__ +ENTRY(_start) +#else +ENTRY(stage_entry) +#endif diff --git a/src/arch/power8/include/arch/hlt.h b/src/arch/power8/include/arch/hlt.h new file mode 100644 index 0000000..21919d2 --- /dev/null +++ b/src/arch/power8/include/arch/hlt.h @@ -0,0 +1,18 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +static inline __attribute__ ((always_inline)) void hlt(void) +{ + while (1) + ; +} diff --git a/src/arch/power8/include/arch/io.h b/src/arch/power8/include/arch/io.h new file mode 100644 index 0000000..804d7dc --- /dev/null +++ b/src/arch/power8/include/arch/io.h @@ -0,0 +1,48 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +#ifndef _ASM_IO_H +#define _ASM_IO_H + +#include <stdint.h> + +static inline void outb(uint8_t value, uint16_t port) +{ +} + +static inline void outw(uint16_t value, uint16_t port) +{ +} + +static inline void outl(uint32_t value, uint16_t port) +{ +} + + +static inline uint8_t inb(uint16_t port) +{ + return 0; +} + + +static inline uint16_t inw(uint16_t port) +{ + return 0; +} + +static inline uint32_t inl(uint16_t port) +{ + return 0; +} + +#endif diff --git a/src/arch/power8/include/arch/memlayout.h b/src/arch/power8/include/arch/memlayout.h new file mode 100644 index 0000000..4d2af59 --- /dev/null +++ b/src/arch/power8/include/arch/memlayout.h @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google 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; 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. + */ + +/* This file contains macro definitions for memlayout.ld linker scripts. */ + +#ifndef __ARCH_MEMLAYOUT_H +#define __ARCH_MEMLAYOUT_H + +/* TODO: Double-check that that's the correct alignment for our ABI. */ +#define STACK(addr, size) REGION(stack, addr, size, 8) + +/* TODO: Need to add DMA_COHERENT region like on ARM? */ + +#endif /* __ARCH_MEMLAYOUT_H */ diff --git a/src/arch/power8/include/arch/stages.h b/src/arch/power8/include/arch/stages.h new file mode 100644 index 0000000..90bd60b --- /dev/null +++ b/src/arch/power8/include/arch/stages.h @@ -0,0 +1,23 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 The ChromiumOS Authors + * + * 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. + */ + +#ifndef __ARCH_STAGES_H +#define __ARCH_STAGES_H + +#include <main_decl.h> + +void stage_entry(void) __attribute__((section(".text.stage_entry"))); + +#endif diff --git a/src/arch/power8/include/stdint.h b/src/arch/power8/include/stdint.h new file mode 100644 index 0000000..de965a5 --- /dev/null +++ b/src/arch/power8/include/stdint.h @@ -0,0 +1,81 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +#ifndef POWER8_STDINT_H +#define POWER8_STDINT_H + +/* more checkpatch problems. I'm sick of this thing. */ +/* Oh, and yes, it is so stupid that it checks things inside + * a #if 0. Toy. + */ +#if 0 +/* Exact integral types */ +//typedef unsigned char uint8_t; +//typedef signed char int8_t; + +//typedef unsigned short uint16_t; +//typedef signed short int16_t; + +//typedef unsigned int uint32_t; +//typedef signed int int32_t; + +//typedef unsigned long long uint64_t; +//typedef signed long long int64_t; + +/* Small types */ +//typedef unsigned char uint_least8_t; +//typedef signed char int_least8_t; + +//typedef unsigned short uint_least16_t; +//typedef signed short int_least16_t; + +//typedef unsigned int uint_least32_t; +//typedef signed int int_least32_t; + +//typedef unsigned long long uint_least64_t; +//typedef signed long long int_least64_t; + +/* Fast Types */ +//typedef unsigned char uint_fast8_t; +//typedef signed char int_fast8_t; + +//typedef unsigned int uint_fast16_t; +//typedef signed int int_fast16_t; + +//typedef unsigned int uint_fast32_t; +//typedef signed int int_fast32_t; + +//typedef unsigned long long uint_fast64_t; +//typedef signed long long int_fast64_t; + +//typedef long long int intmax_t; +//typedef unsigned long long uintmax_t; + +//typedef uint8_t u8; +//typedef uint16_t u16; +//typedef uint32_t u32; +//typedef uint64_t u64; +//typedef int8_t s8; +//typedef int16_t s16; +//typedef int32_t s32; +//typedef int64_t s64; + +//typedef uint8_t bool; +#define true 1 +#define false 0 + +/* Types for `void *' pointers. */ +//typedef s64 intptr_t; +//typedef u64 uintptr_t; +#endif +#endif /* POWER8_STDINT_H */ diff --git a/src/arch/power8/misc.c b/src/arch/power8/misc.c new file mode 100644 index 0000000..65b8ecf --- /dev/null +++ b/src/arch/power8/misc.c @@ -0,0 +1,22 @@ +/* + * This file is part of the coreboot project. + * + * 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. + */ + +#include <delay.h> + +void init_timer(void) +{ +} + +void udelay(unsigned int n) +{ +} diff --git a/src/arch/power8/prologue.inc b/src/arch/power8/prologue.inc new file mode 100644 index 0000000..a349cf9 --- /dev/null +++ b/src/arch/power8/prologue.inc @@ -0,0 +1,17 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2002 Eric Biederman + * + * 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. + */ + +.section ".rom.data", "a", @progbits +.section ".rom.text", "ax", @progbits diff --git a/src/arch/power8/rom_media.c b/src/arch/power8/rom_media.c new file mode 100644 index 0000000..0c54e7a --- /dev/null +++ b/src/arch/power8/rom_media.c @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google 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; 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. + */ +#include <boot_device.h> + +/* This assumes that the CBFS resides at 0x0, which is true for the default + * configuration. */ +static const struct mem_region_device boot_dev = + MEM_REGION_DEV_INIT(NULL, CONFIG_ROM_SIZE); + +const struct region_device *boot_device_ro(void) +{ + return &boot_dev.rdev; +} diff --git a/src/arch/power8/stages.c b/src/arch/power8/stages.c new file mode 100644 index 0000000..053fd76 --- /dev/null +++ b/src/arch/power8/stages.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google 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; 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. + */ + +/* + * This file contains entry/exit functions for each stage during coreboot + * execution (bootblock entry and ramstage exit will depend on external + * loading). + * + * Entry points must be placed at the location the previous stage jumps + * to (the lowest address in the stage image). This is done by giving + * stage_entry() its own section in .text and placing it first in the + * linker script. + */ + +#include <arch/stages.h> + +void stage_entry(void) +{ + main(); +} diff --git a/src/arch/power8/tables.c b/src/arch/power8/tables.c new file mode 100644 index 0000000..29ce0af --- /dev/null +++ b/src/arch/power8/tables.c @@ -0,0 +1,65 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2003 Eric Biederman + * Copyright (C) 2005 Steve Magnani + * Copyright (C) 2008-2009 coresystems GmbH + * + * 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. + */ + +#include <console/console.h> +#include <cpu/cpu.h> +#include <boot/tables.h> +#include <boot/coreboot_tables.h> +#include <string.h> +#include <cbmem.h> +#include <lib.h> + +#define MAX_COREBOOT_TABLE_SIZE (8 * 1024) + +// WTF. this does not agre with the prototype! +static struct lb_memory *wtf_write_tables(void) +{ + unsigned long table_pointer, new_table_pointer; + + post_code(0x9d); + + table_pointer = (unsigned long)cbmem_add(CBMEM_ID_CBTABLE, + MAX_COREBOOT_TABLE_SIZE); + if (!table_pointer) { + printk(BIOS_ERR, "Could not add CBMEM for coreboot table.\n"); + return NULL; + } + + new_table_pointer = write_coreboot_table(0UL, 0UL, + table_pointer, table_pointer); + + if (new_table_pointer > (table_pointer + MAX_COREBOOT_TABLE_SIZE)) { + printk(BIOS_ERR, "coreboot table didn't fit (%lx/%x bytes)\n", + new_table_pointer - table_pointer, + MAX_COREBOOT_TABLE_SIZE); + } + + printk(BIOS_DEBUG, "coreboot table: %ld bytes.\n", + new_table_pointer - table_pointer); + + post_code(0x9e); + + /* Print CBMEM sections */ + cbmem_list(); + +// return get_lb_mem(); + return NULL; +} +void write_tables(void) +{ + wtf_write_tables(); +}