| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2006 Tyan |
| * Copyright (C) 2006 AMD |
| * Written by Yinghai Lu <yinghailu@gmail.com> for Tyan and AMD. |
| * |
| * Copyright (C) 2006 MSI |
| * Written by bxshi <bingxunshi@gmail.com> for MSI. |
| * |
| * 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. |
| */ |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <device/pci_def.h> |
| #include <device/pci_ids.h> |
| #include <arch/io.h> |
| #include <device/pnp_def.h> |
| #include <cpu/x86/lapic.h> |
| #include <pc80/mc146818rtc.h> |
| #include <console/console.h> |
| #include <cpu/amd/model_fxx_rev.h> |
| #include "southbridge/broadcom/bcm5785/early_smbus.c" |
| #include <northbridge/amd/amdk8/raminit.h> |
| #include <delay.h> |
| #include <reset.h> |
| #include <cpu/x86/lapic.h> |
| #include "northbridge/amd/amdk8/reset_test.c" |
| #include "northbridge/amd/amdk8/debug.c" |
| #include <superio/nsc/pc87417/pc87417.h> |
| #include <cpu/x86/bist.h> |
| #include "northbridge/amd/amdk8/setup_resource_map.c" |
| #include "southbridge/broadcom/bcm5785/early_setup.c" |
| |
| #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1) |
| #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC) |
| |
| static void memreset(int controllers, const struct mem_controller *ctrl) { } |
| |
| static inline void activate_spd_rom(const struct mem_controller *ctrl) |
| { |
| #define SMBUS_SWITCH1 0x70 |
| #define SMBUS_SWITCH2 0x72 |
| unsigned device = (ctrl->channel0[0]) >> 8; |
| smbus_send_byte(SMBUS_SWITCH1, device & 0x0f); |
| smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f ); |
| } |
| |
| static inline int spd_read_byte(unsigned device, unsigned address) |
| { |
| return smbus_read_byte(device, address); |
| } |
| |
| #include <northbridge/amd/amdk8/f.h> |
| #include "northbridge/amd/amdk8/incoherent_ht.c" |
| #include "northbridge/amd/amdk8/coherent_ht.c" |
| #include "northbridge/amd/amdk8/raminit_f.c" |
| #include "lib/generic_sdram.c" |
| #include "resourcemap.c" |
| #include "cpu/amd/dualcore/dualcore.c" |
| #include <spd.h> |
| #include "cpu/amd/model_fxx/init_cpus.c" |
| #include "cpu/amd/model_fxx/fidvid.c" |
| #include "northbridge/amd/amdk8/early_ht.c" |
| |
| #define RC0 (0x10<<8) |
| #define RC1 (0x01<<8) |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| static const uint16_t spd_addr[] = { |
| //first node |
| RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6, |
| RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7, |
| //second node |
| RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6, |
| RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7, |
| }; |
| |
| struct sys_info *sysinfo = &sysinfo_car; |
| |
| int needs_reset; |
| unsigned bsp_apicid = 0; |
| |
| 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(); |
| bcm5785_enable_lpc(); |
| //enable RTC |
| pc87417_enable_dev(RTC_DEV); |
| } |
| |
| if (bist == 0) |
| bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); |
| |
| pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| console_init(); |
| |
| // dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE); |
| |
| /* Halt if there was a built in self test failure */ |
| report_bist_failure(bist); |
| |
| printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); |
| |
| setup_ms9185_resource_map(); |
| #if 0 |
| dump_pci_device(PCI_DEV(0, 0x18, 0)); |
| dump_pci_device(PCI_DEV(0, 0x19, 0)); |
| #endif |
| |
| printk(BIOS_DEBUG, "bsp_apicid=%02x\n", bsp_apicid); |
| |
| setup_coherent_ht_domain(); |
| |
| wait_all_core0_started(); |
| #if CONFIG_LOGICAL_CPUS |
| // It is said that we should start core1 after all core0 launched |
| /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain, |
| * So here need to make sure last core0 is started, esp for two way system, |
| * (there may be apic id conflicts in that case) |
| */ |
| start_other_cores(); |
| //bx_a010- wait_all_other_cores_started(bsp_apicid); |
| #endif |
| |
| /* it will set up chains and store link pair for optimization later */ |
| ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn |
| |
| bcm5785_early_setup(); |
| |
| #if 0 |
| //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time. |
| needs_reset = optimize_link_coherent_ht(); |
| needs_reset |= optimize_link_incoherent_ht(sysinfo); |
| #endif |
| |
| #if CONFIG_SET_FIDVID |
| { |
| msr_t msr; |
| msr=rdmsr(0xc0010042); |
| printk(BIOS_DEBUG, "begin msr fid, vid %08x%08x\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_t msr; |
| msr=rdmsr(0xc0010042); |
| printk(BIOS_DEBUG, "end msr fid, vid %08x%08x\n", msr.hi, msr.lo); |
| } |
| #endif |
| |
| #if 1 |
| needs_reset = optimize_link_coherent_ht(); |
| needs_reset |= optimize_link_incoherent_ht(sysinfo); |
| |
| // fidvid change will issue one LDTSTOP and the HT change will be effective too |
| if (needs_reset) { |
| printk(BIOS_INFO, "ht reset -\n"); |
| soft_reset(); |
| } |
| #endif |
| allow_all_aps_stop(bsp_apicid); |
| |
| //It's the time to set ctrl in sysinfo now; |
| fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); |
| |
| enable_smbus(); |
| |
| #if 0 |
| int i; |
| for(i=0;i<2;i++) { |
| activate_spd_rom(sysinfo->ctrl+i); |
| dump_smbus_registers(); |
| } |
| #endif |
| |
| //do we need apci timer, tsc...., only debug need it for better output |
| /* all ap stopped? */ |
| // init_timer(); // Need to use TMICT to synchronize FID/VID |
| |
| sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); |
| |
| #if 0 |
| print_pci_devices(); |
| #endif |
| |
| #if 0 |
| // dump_pci_devices(); |
| dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98); |
| dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98); |
| #endif |
| |
| post_cache_as_ram(); |
| } |