2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 AMD
5 * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
6 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #if CONFIG_LOGICAL_CPUS == 1
24 #define SET_NB_CFG_54 1
27 #if CONFIG_K8_REV_F_SUPPORT == 1
28 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
33 #include <device/pci_def.h>
34 #include <device/pci_ids.h>
36 #include <device/pnp_def.h>
37 #include <arch/romcc_io.h>
38 #include <cpu/x86/lapic.h>
39 #include <pc80/mc146818rtc.h>
41 #include <console/console.h>
43 #include <cpu/amd/model_fxx_rev.h>
44 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
45 #include "northbridge/amd/amdk8/raminit.h"
46 #include "cpu/amd/model_fxx/apic_timer.c"
47 #include "lib/delay.c"
50 #include "cpu/x86/lapic/boot_cpu.c"
51 #include "northbridge/amd/amdk8/reset_test.c"
52 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
53 #include "superio/winbond/w83627ehg/w83627ehg_early_init.c"
55 #include "cpu/x86/bist.h"
56 #include "northbridge/amd/amdk8/debug.c"
57 #include "cpu/x86/mtrr/earlymtrr.c"
58 #include "northbridge/amd/amdk8/setup_resource_map.c"
60 /* Yes, on the MSI K9N Neo (MS-7260) the Super I/O is at 0x4e! */
61 #define SERIAL_DEV PNP_DEV(0x4e, W83627EHG_SP1)
63 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
65 static void memreset(int controllers, const struct mem_controller *ctrl) {}
66 static inline void activate_spd_rom(const struct mem_controller *ctrl) {}
68 static inline int spd_read_byte(unsigned int device, unsigned int address)
70 return smbus_read_byte(device, address);
73 #include "northbridge/amd/amdk8/amdk8_f.h"
74 #include "northbridge/amd/amdk8/incoherent_ht.c"
75 #include "northbridge/amd/amdk8/coherent_ht.c"
76 #include "northbridge/amd/amdk8/raminit_f.c"
77 #include "lib/generic_sdram.c"
79 #include "resourcemap.c"
80 #include "cpu/amd/dualcore/dualcore.c"
82 #define MCP55_PCI_E_X_0 0
84 #define MCP55_MB_SETUP \
85 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
86 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
87 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
88 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
89 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
90 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
92 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
93 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
95 #include "cpu/amd/car/post_cache_as_ram.c"
96 #include "cpu/amd/model_fxx/init_cpus.c"
97 #include "cpu/amd/model_fxx/fidvid.c"
99 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
100 #include "northbridge/amd/amdk8/early_ht.c"
102 static void sio_setup(void)
107 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
109 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
111 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
113 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
115 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
117 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
120 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
122 static const uint16_t spd_addr[] = {
124 (0xa << 3) | 0, (0xa << 3) | 2, 0, 0,
125 (0xa << 3) | 1, (0xa << 3) | 3, 0, 0,
127 (0xa << 3) | 4, (0xa << 3) | 6, 0, 0,
128 (0xa << 3) | 5, (0xa << 3) | 7, 0, 0,
131 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
132 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
135 unsigned bsp_apicid = 0;
137 if (!cpu_init_detectedx && boot_cpu()) {
138 /* Nothing special needs to be done to find bus 0. */
139 /* Allow the HT devices to be found. */
140 enumerate_ht_chain();
144 /* Setup the MCP55. */
149 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
151 /* FIXME: This should be part of the Super I/O code/config. */
152 pnp_enter_ext_func_mode(SERIAL_DEV);
153 /* Switch CLKSEL to 24MHz (default is 48MHz). Needed for serial! */
154 pnp_write_config(SERIAL_DEV, 0x24, 0);
155 w83627ehg_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
156 pnp_exit_ext_func_mode(SERIAL_DEV);
158 setup_mb_resource_map();
160 report_bist_failure(bist); /* Halt upon BIST failure. */
162 mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
163 early_usbdebug_init();
167 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
168 print_debug("bsp_apicid=");
169 print_debug_hex8(bsp_apicid);
172 #if CONFIG_MEM_TRAIN_SEQ == 1
173 /* In BSP so could hold all AP until sysinfo is in RAM. */
174 set_sysinfo_in_ram(0);
177 setup_coherent_ht_domain(); /* Routing table and start other core0. */
178 wait_all_core0_started();
180 #if CONFIG_LOGICAL_CPUS == 1
181 /* It is said that we should start core1 after all core0 launched
182 * becase optimize_link_coherent_ht is moved out from
183 * setup_coherent_ht_domain, so here need to make sure last core0 is
184 * started, esp for two way system (there may be APIC ID conflicts in
188 wait_all_other_cores_started(bsp_apicid);
191 /* Set up chains and store link pair for optimization later. */
192 ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */
194 #if CONFIG_SET_FIDVID
196 msr_t msr = rdmsr(0xc0010042);
197 print_debug("begin msr fid, vid ");
198 print_debug_hex32(msr.hi);
199 print_debug_hex32(msr.lo);
204 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
205 init_fidvid_bsp(bsp_apicid);
208 msr_t msr = rdmsr(0xc0010042);
209 print_debug("end msr fid, vid ");
210 print_debug_hex32(msr.hi);
211 print_debug_hex32(msr.lo);
216 init_timer(); /* Need to use TMICT to synconize FID/VID. */
218 needs_reset |= optimize_link_coherent_ht();
219 needs_reset |= optimize_link_incoherent_ht(sysinfo);
220 needs_reset |= mcp55_early_setup_x();
222 /* fidvid change will issue one LDTSTOP and the HT change will be effective too. */
224 print_info("ht reset -\n");
227 allow_all_aps_stop(bsp_apicid);
229 /* It's the time to set ctrl in sysinfo now. */
230 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
234 /* All AP stopped? */
236 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
238 /* bsp switch stack to RAM and copy sysinfo RAM now. */