| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Advanced Micro Devices, 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. |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #define RC0 (6<<8) |
| #define RC1 (7<<8) |
| |
| #define SMBUS_HUB 0x71 |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <device/pci_def.h> |
| #include <arch/io.h> |
| #include <device/pnp_def.h> |
| #include <arch/romcc_io.h> |
| #include <cpu/x86/lapic.h> |
| #include <pc80/mc146818rtc.h> |
| #include <console/console.h> |
| #include <spd.h> |
| #include <cpu/amd/model_fxx_rev.h> |
| #include "northbridge/amd/amdk8/raminit.h" |
| #include "cpu/amd/model_fxx/apic_timer.c" |
| #include "lib/delay.c" |
| #include "cpu/x86/lapic/boot_cpu.c" |
| #include "northbridge/amd/amdk8/reset_test.c" |
| #include "superio/ite/it8718f/early_serial.c" |
| #include <usbdebug.h> |
| #include "cpu/x86/mtrr/earlymtrr.c" |
| #include "cpu/x86/bist.h" |
| #include "northbridge/amd/amdk8/setup_resource_map.c" |
| #include "southbridge/amd/rs780/early_setup.c" |
| #include "southbridge/amd/sb700/early_setup.c" |
| #include "northbridge/amd/amdk8/debug.c" /* After sb700/early_setup.c! */ |
| |
| static void memreset(int controllers, const struct mem_controller *ctrl) { } |
| static void activate_spd_rom(const struct mem_controller *ctrl) { } |
| |
| static inline int spd_read_byte(u32 device, u32 address) |
| { |
| return smbus_read_byte(device, address); |
| } |
| |
| #include "northbridge/amd/amdk8/amdk8.h" |
| #include "northbridge/amd/amdk8/incoherent_ht.c" |
| #include "northbridge/amd/amdk8/raminit_f.c" |
| #include "northbridge/amd/amdk8/coherent_ht.c" |
| #include "lib/generic_sdram.c" |
| #include "resourcemap.c" |
| #include "cpu/amd/dualcore/dualcore.c" |
| #include "cpu/amd/car/post_cache_as_ram.c" |
| #include "cpu/amd/model_fxx/init_cpus.c" |
| #include "cpu/amd/model_fxx/fidvid.c" |
| #include "northbridge/amd/amdk8/early_ht.c" |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| static const u16 spd_addr[] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, }; |
| int needs_reset = 0; |
| u32 bsp_apicid = 0; |
| msr_t msr; |
| struct cpuid_result cpuid1; |
| struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); |
| |
| if (!cpu_init_detectedx && boot_cpu()) { |
| /* Nothing special needs to be done to find bus 0 */ |
| /* Allow the HT devices to be found */ |
| enumerate_ht_chain(); |
| /* sb7xx_51xx_lpc_port80(); */ |
| sb7xx_51xx_pci_port80(); |
| } |
| |
| if (bist == 0) |
| bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); |
| |
| enable_rs780_dev8(); |
| sb7xx_51xx_lpc_init(); |
| |
| it8718f_enable_serial(0, CONFIG_TTYS0_BASE); |
| |
| console_init(); |
| |
| /* Halt if there was a built in self test failure */ |
| report_bist_failure(bist); |
| printk(BIOS_DEBUG, "bsp_apicid=0x%x\n", bsp_apicid); |
| |
| setup_mahogany_resource_map(); |
| |
| setup_coherent_ht_domain(); |
| |
| #if CONFIG_LOGICAL_CPUS==1 |
| /* It is said that we should start core1 after all core0 launched */ |
| wait_all_core0_started(); |
| start_other_cores(); |
| #endif |
| wait_all_aps_started(bsp_apicid); |
| |
| ht_setup_chains_x(sysinfo); |
| |
| /* run _early_setup before soft-reset. */ |
| rs780_early_setup(); |
| sb7xx_51xx_early_setup(); |
| |
| /* Check to see if processor is capable of changing FIDVID */ |
| /* otherwise it will throw a GP# when reading FIDVID_STATUS */ |
| cpuid1 = cpuid(0x80000007); |
| if ((cpuid1.edx & 0x6) == 0x6) { |
| /* Read FIDVID_STATUS */ |
| msr=rdmsr(0xc0010042); |
| printk(BIOS_DEBUG, "begin msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo); |
| |
| enable_fid_change(); |
| enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); |
| init_fidvid_bsp(bsp_apicid); |
| |
| /* show final fid and vid */ |
| msr=rdmsr(0xc0010042); |
| printk(BIOS_DEBUG, "end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo); |
| } else { |
| printk(BIOS_DEBUG, "Changing FIDVID not supported\n"); |
| } |
| |
| needs_reset = optimize_link_coherent_ht(); |
| needs_reset |= optimize_link_incoherent_ht(sysinfo); |
| rs780_htinit(); |
| printk(BIOS_DEBUG, "needs_reset=0x%x\n", needs_reset); |
| |
| if (needs_reset) { |
| print_info("ht reset -\n"); |
| soft_reset(); |
| } |
| |
| allow_all_aps_stop(bsp_apicid); |
| |
| /* It's the time to set ctrl now; */ |
| printk(BIOS_DEBUG, "sysinfo->nodes: %2x sysinfo->ctrl: %p spd_addr: %p\n", |
| sysinfo->nodes, sysinfo->ctrl, spd_addr); |
| fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); |
| sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); |
| |
| rs780_before_pci_init(); |
| sb7xx_51xx_before_pci_init(); |
| |
| post_cache_as_ram(); |
| } |