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 #if CONFIG_K8_REV_F_SUPPORT == 1
27 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
32 #include <device/pci_def.h>
33 #include <device/pci_ids.h>
35 #include <device/pnp_def.h>
36 #include <arch/romcc_io.h>
37 #include <cpu/x86/lapic.h>
38 #include <pc80/mc146818rtc.h>
40 #include <console/console.h>
44 #include <cpu/amd/model_fxx_rev.h>
46 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
47 #include "northbridge/amd/amdk8/raminit.h"
48 #include "cpu/amd/model_fxx/apic_timer.c"
49 #include "lib/delay.c"
51 #include "cpu/x86/lapic/boot_cpu.c"
52 #include "northbridge/amd/amdk8/reset_test.c"
53 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
54 #include "superio/winbond/w83627ehg/w83627ehg_early_init.c"
56 #include "cpu/x86/bist.h"
58 #include "northbridge/amd/amdk8/debug.c"
60 #include "cpu/x86/mtrr/earlymtrr.c"
62 #include "northbridge/amd/amdk8/setup_resource_map.c"
64 #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
66 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
68 static void memreset(int controllers, const struct mem_controller *ctrl)
72 static inline void activate_spd_rom(const struct mem_controller *ctrl)
77 static inline int spd_read_byte(unsigned device, unsigned address)
79 return smbus_read_byte(device, address);
82 #include "northbridge/amd/amdk8/amdk8_f.h"
83 #include "northbridge/amd/amdk8/incoherent_ht.c"
84 #include "northbridge/amd/amdk8/coherent_ht.c"
85 #include "northbridge/amd/amdk8/raminit_f.c"
86 #include "lib/generic_sdram.c"
88 #include "resourcemap.c"
90 #include "cpu/amd/dualcore/dualcore.c"
92 #define MCP55_PCI_E_X_0 2
93 #define MCP55_PCI_E_X_1 4
95 #define MCP55_MB_SETUP \
96 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
97 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
98 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
99 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
100 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
101 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
103 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
104 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
108 #include "cpu/amd/car/post_cache_as_ram.c"
110 #include "cpu/amd/model_fxx/init_cpus.c"
112 #include "cpu/amd/model_fxx/fidvid.c"
114 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
115 #include "northbridge/amd/amdk8/early_ht.c"
117 static void sio_setup(void)
122 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
124 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
126 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
128 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
130 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4);
132 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4, dword);
135 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
137 static const uint16_t spd_addr [] = {
139 (0xa<<3)|0, (0xa<<3)|2, 0, 0,
140 (0xa<<3)|1, (0xa<<3)|3, 0, 0,
142 (0xa<<3)|4, (0xa<<3)|6, 0, 0,
143 (0xa<<3)|5, (0xa<<3)|7, 0, 0,
146 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
147 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
150 unsigned bsp_apicid = 0;
152 if (!cpu_init_detectedx && boot_cpu()) {
153 /* Nothing special needs to be done to find bus 0 */
154 /* Allow the HT devices to be found */
156 enumerate_ht_chain();
160 /* Setup the mcp55 */
165 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
168 pnp_enter_ext_func_mode(SERIAL_DEV);
169 pnp_write_config(SERIAL_DEV, 0x24, 0);
170 w83627ehg_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
171 pnp_exit_ext_func_mode(SERIAL_DEV);
173 setup_mb_resource_map();
177 /* Halt if there was a built in self test failure */
178 report_bist_failure(bist);
181 mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
182 early_usbdebug_init();
185 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
187 print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
189 #if CONFIG_MEM_TRAIN_SEQ == 1
190 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
192 setup_coherent_ht_domain(); // routing table and start other core0
194 wait_all_core0_started();
195 #if CONFIG_LOGICAL_CPUS==1
196 // It is said that we should start core1 after all core0 launched
197 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
198 * So here need to make sure last core0 is started, esp for two way system,
199 * (there may be apic id conflicts in that case)
202 wait_all_other_cores_started(bsp_apicid);
205 /* it will set up chains and store link pair for optimization later */
206 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
208 #if CONFIG_SET_FIDVID
212 msr=rdmsr(0xc0010042);
213 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
219 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
221 init_fidvid_bsp(bsp_apicid);
223 // show final fid and vid
226 msr=rdmsr(0xc0010042);
227 print_debug("end msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
231 init_timer(); /* Need to use TMICT to synconize FID/VID. */
233 needs_reset |= optimize_link_coherent_ht();
234 needs_reset |= optimize_link_incoherent_ht(sysinfo);
235 needs_reset |= mcp55_early_setup_x();
237 // fidvid change will issue one LDTSTOP and the HT change will be effective too
239 print_info("ht reset -\n");
242 allow_all_aps_stop(bsp_apicid);
244 //It's the time to set ctrl in sysinfo now;
245 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
249 /* all ap stopped? */
251 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
253 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now