2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 AMD
5 * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if CONFIG_LOGICAL_CPUS==1
23 #define SET_NB_CFG_54 1
26 //used by init_cpus and fidvid
28 //if we want to wait for core1 done before DQS training, set it to 0
29 #define SET_FIDVID_CORE0_ONLY 1
31 #if CONFIG_K8_REV_F_SUPPORT == 1
32 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
37 #include <device/pci_def.h>
38 #include <device/pci_ids.h>
40 #include <device/pnp_def.h>
41 #include <arch/romcc_io.h>
42 #include <cpu/x86/lapic.h>
43 #include <pc80/mc146818rtc.h>
45 #include <console/console.h>
48 #include <cpu/amd/model_fxx_rev.h>
51 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
52 #include "northbridge/amd/amdk8/raminit.h"
53 #include "cpu/amd/model_fxx/apic_timer.c"
54 #include "lib/delay.c"
56 #include "cpu/x86/lapic/boot_cpu.c"
57 #include "northbridge/amd/amdk8/reset_test.c"
58 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
59 #include "superio/winbond/w83627hf/w83627hf_early_init.c"
61 #include "cpu/x86/bist.h"
63 #include "northbridge/amd/amdk8/debug.c"
65 #include "cpu/x86/mtrr/earlymtrr.c"
67 #include "northbridge/amd/amdk8/setup_resource_map.c"
69 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
71 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
73 static void memreset(int controllers, const struct mem_controller *ctrl)
77 static inline void activate_spd_rom(const struct mem_controller *ctrl)
82 static inline int spd_read_byte(unsigned device, unsigned address)
84 return smbus_read_byte(device, address);
87 #include "northbridge/amd/amdk8/amdk8_f.h"
88 #include "northbridge/amd/amdk8/incoherent_ht.c"
89 #include "northbridge/amd/amdk8/coherent_ht.c"
90 #include "northbridge/amd/amdk8/raminit_f.c"
91 #include "lib/generic_sdram.c"
93 #include "resourcemap.c"
95 #include "cpu/amd/dualcore/dualcore.c"
97 #define MCP55_PCI_E_X_0 4
99 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
100 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
102 #include "cpu/amd/car/post_cache_as_ram.c"
104 #include "cpu/amd/model_fxx/init_cpus.c"
106 #include "cpu/amd/model_fxx/fidvid.c"
108 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
109 #include "northbridge/amd/amdk8/early_ht.c"
111 static void sio_setup(void)
116 // smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
117 smbusx_write_byte(1, (0x58>>1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
119 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
121 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
123 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
125 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
127 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4);
129 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4, dword);
132 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
134 static const uint16_t spd_addr [] = {
136 (0xa<<3)|0, (0xa<<3)|2, 0, 0,
137 (0xa<<3)|1, (0xa<<3)|3, 0, 0,
139 (0xa<<3)|4, (0xa<<3)|6, 0, 0,
140 (0xa<<3)|5, (0xa<<3)|7, 0, 0,
143 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
144 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
147 unsigned bsp_apicid = 0;
149 if (!cpu_init_detectedx && boot_cpu()) {
150 /* Nothing special needs to be done to find bus 0 */
151 /* Allow the HT devices to be found */
153 enumerate_ht_chain();
157 /* Setup the mcp55 */
162 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
165 pnp_enter_ext_func_mode(SERIAL_DEV);
166 pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6));
167 w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
168 pnp_exit_ext_func_mode(SERIAL_DEV);
173 /* Halt if there was a built in self test failure */
174 report_bist_failure(bist);
176 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
178 setup_mb_resource_map();
180 print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
182 #if CONFIG_MEM_TRAIN_SEQ == 1
183 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
185 setup_coherent_ht_domain(); // routing table and start other core0
187 wait_all_core0_started();
188 #if CONFIG_LOGICAL_CPUS==1
189 // It is said that we should start core1 after all core0 launched
190 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
191 * So here need to make sure last core0 is started, esp for two way system,
192 * (there may be apic id conflicts in that case)
195 wait_all_other_cores_started(bsp_apicid);
198 /* it will set up chains and store link pair for optimization later */
199 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
204 msr=rdmsr(0xc0010042);
205 printk(BIOS_DEBUG, "begin msr fid, vid %08x, %08x\n", msr.hi, msr.lo);
210 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
212 init_fidvid_bsp(bsp_apicid);
214 // show final fid and vid
217 msr=rdmsr(0xc0010042);
218 printk(BIOS_DEBUG, "end msr fid, vid %08x, %08x\n", msr.hi, msr.lo);
222 init_timer(); // Need to use TMICT to synconize FID/VID
224 needs_reset |= optimize_link_coherent_ht();
225 needs_reset |= optimize_link_incoherent_ht(sysinfo);
226 needs_reset |= mcp55_early_setup_x();
228 // fidvid change will issue one LDTSTOP and the HT change will be effective too
230 print_info("ht reset -\n");
234 allow_all_aps_stop(bsp_apicid);
236 //It's the time to set ctrl in sysinfo now;
237 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
239 // enable_smbus(); /* enable in sio_setup */
241 /* all ap stopped? */
243 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
245 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now