2 * This file is part of the coreboot project.
4 * Copyright (C) 2006 Tyan
5 * Copyright (C) 2006 AMD
6 * Written by Yinghai Lu <yinghailu@gmail.com> for Tyan and AMD.
8 * Copyright (C) 2007 University of Mannheim
9 * Written by Philipp Degler <pdegler@rumms.uni-mannheim.de> for University of Mannheim
10 * Copyright (C) 2009 University of Heidelberg
11 * Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for University of Heidelberg
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #if CONFIG_LOGICAL_CPUS==1
29 #define SET_NB_CFG_54 1
32 #if CONFIG_K8_REV_F_SUPPORT == 1
33 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
38 #include <device/pci_def.h>
39 #include <device/pci_ids.h>
41 #include <device/pnp_def.h>
42 #include <arch/romcc_io.h>
43 #include <cpu/x86/lapic.h>
44 #include <pc80/mc146818rtc.h>
46 #include <console/console.h>
48 #include <cpu/amd/model_fxx_rev.h>
50 #include "southbridge/broadcom/bcm5785/bcm5785_early_smbus.c"
51 #include "southbridge/broadcom/bcm5785/bcm5785_enable_rom.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"
59 #include "superio/serverengines/pilot/pilot_early_serial.c"
60 #include "superio/serverengines/pilot/pilot_early_init.c"
61 #include "superio/nsc/pc87417/pc87417_early_serial.c"
63 #include "cpu/x86/bist.h"
65 #include "northbridge/amd/amdk8/debug.c"
67 #include "cpu/x86/mtrr/earlymtrr.c"
69 #include "northbridge/amd/amdk8/setup_resource_map.c"
71 #define SERIAL_DEV PNP_DEV(0x2e, PILOT_SP1)
72 #define RTC_DEV PNP_DEV(0x4e, PC87417_RTC)
74 #include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c"
76 static void memreset(int controllers, const struct mem_controller *ctrl)
80 static inline void activate_spd_rom(const struct mem_controller *ctrl)
82 #define SMBUS_SWITCH1 0x70
83 #define SMBUS_SWITCH2 0x72
84 unsigned device = (ctrl->channel0[0]) >> 8;
85 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
86 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
89 static inline int spd_read_byte(unsigned device, unsigned address)
91 return smbus_read_byte(device, address);
94 #include "northbridge/amd/amdk8/amdk8_f.h"
95 #include "northbridge/amd/amdk8/incoherent_ht.c"
96 #include "northbridge/amd/amdk8/coherent_ht.c"
97 #include "northbridge/amd/amdk8/raminit_f.c"
98 #include "lib/generic_sdram.c"
100 #include "cpu/amd/dualcore/dualcore.c"
115 #include "cpu/amd/car/post_cache_as_ram.c"
117 #include "cpu/amd/model_fxx/init_cpus.c"
119 #include "cpu/amd/model_fxx/fidvid.c"
121 #include "northbridge/amd/amdk8/early_ht.c"
126 static void setup_early_ipmi_serial()
128 unsigned char result;
129 char channel_access[]={0x06<<2,0x40,0x04,0x80,0x05};
130 char serialmodem_conf[]={0x0c<<2,0x10,0x04,0x08,0x00,0x0f};
131 char serial_mux1[]={0x0c<<2,0x12,0x04,0x06};
132 char serial_mux2[]={0x0c<<2,0x12,0x04,0x03};
133 char serial_mux3[]={0x0c<<2,0x12,0x04,0x07};
136 //set channel access system only
137 ipmi_request(5,channel_access);
140 //Set serial/modem config
141 result=ipmi_request(6,serialmodem_conf);
145 result=ipmi_request(4,serial_mux1);
149 result=ipmi_request(4,serial_mux2);
153 result=ipmi_request(4,serial_mux3);
161 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
163 static const uint16_t spd_addr[] = {
173 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
174 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
177 unsigned bsp_apicid = 0;
179 if (!cpu_init_detectedx && boot_cpu()) {
180 /* Nothing special needs to be done to find bus 0 */
181 /* Allow the HT devices to be found */
183 enumerate_ht_chain();
184 bcm5785_enable_rom();
185 bcm5785_enable_lpc();
187 pc87417_enable_dev(RTC_DEV);
191 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
194 pilot_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
198 /* Halt if there was a built in self test failure */
199 report_bist_failure(bist);
202 // setup_early_ipmi_serial();
203 pilot_early_init(SERIAL_DEV); //config port is being taken from SERIAL_DEV
204 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
205 printk(BIOS_DEBUG, "bsp_apicid=%02x\n", bsp_apicid);
207 #if CONFIG_MEM_TRAIN_SEQ == 1
208 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
210 setup_coherent_ht_domain();
212 wait_all_core0_started();
213 #if CONFIG_LOGICAL_CPUS==1
214 // It is said that we should start core1 after all core0 launched
215 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
216 * So here need to make sure last core0 is started, esp for two way system,
217 * (there may be apic id conflicts in that case)
220 wait_all_other_cores_started(bsp_apicid);
223 /* it will set up chains and store link pair for optimization later */
224 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
225 bcm5785_early_setup();
227 #if CONFIG_SET_FIDVID
230 msr=rdmsr(0xc0010042);
231 printk(BIOS_DEBUG, "begin msr fid, vid %08x %08x\n", msr.hi, msr.lo);
234 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
235 init_fidvid_bsp(bsp_apicid);
236 // show final fid and vid
239 msr=rdmsr(0xc0010042);
240 printk(BIOS_DEBUG, "end msr fid, vid %08x %08x\n", msr.hi, msr.lo);
244 needs_reset = optimize_link_coherent_ht();
245 needs_reset |= optimize_link_incoherent_ht(sysinfo);
247 // fidvid change will issue one LDTSTOP and the HT change will be effective too
249 printk(BIOS_INFO, "ht reset -\n");
253 allow_all_aps_stop(bsp_apicid);
255 //It's the time to set ctrl in sysinfo now;
256 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
259 //do we need apci timer, tsc...., only debug need it for better output
260 /* all ap stopped? */
261 // init_timer(); // Need to use TMICT to synconize FID/VID
263 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);