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_K8_REV_F_SUPPORT == 1
24 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
29 #include <device/pci_def.h>
30 #include <device/pci_ids.h>
32 #include <device/pnp_def.h>
33 #include <arch/romcc_io.h>
34 #include <cpu/x86/lapic.h>
35 #include <pc80/mc146818rtc.h>
37 #include <console/console.h>
39 #include <cpu/amd/model_fxx_rev.h>
40 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
41 #include "northbridge/amd/amdk8/raminit.h"
42 #include "cpu/amd/model_fxx/apic_timer.c"
43 #include "lib/delay.c"
47 #include "cpu/x86/lapic/boot_cpu.c"
48 #include "northbridge/amd/amdk8/reset_test.c"
49 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
50 #include "superio/winbond/w83627ehg/w83627ehg_early_init.c"
52 #include "cpu/x86/bist.h"
53 #include "northbridge/amd/amdk8/debug.c"
54 #include "cpu/x86/mtrr/earlymtrr.c"
55 #include "northbridge/amd/amdk8/setup_resource_map.c"
57 /* Yes, on the MSI K9N Neo (MS-7260) the Super I/O is at 0x4e! */
58 #define SERIAL_DEV PNP_DEV(0x4e, W83627EHG_SP1)
60 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
62 static void memreset(int controllers, const struct mem_controller *ctrl) {}
63 static inline void activate_spd_rom(const struct mem_controller *ctrl) {}
65 static inline int spd_read_byte(unsigned int device, unsigned int address)
67 return smbus_read_byte(device, address);
70 #include "northbridge/amd/amdk8/amdk8_f.h"
71 #include "northbridge/amd/amdk8/incoherent_ht.c"
72 #include "northbridge/amd/amdk8/coherent_ht.c"
73 #include "northbridge/amd/amdk8/raminit_f.c"
74 #include "lib/generic_sdram.c"
76 #include "resourcemap.c"
77 #include "cpu/amd/dualcore/dualcore.c"
79 #define MCP55_PCI_E_X_0 0
81 #define MCP55_MB_SETUP \
82 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
83 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
84 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
85 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
86 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
87 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
89 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
90 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
92 #include "cpu/amd/car/post_cache_as_ram.c"
93 #include "cpu/amd/model_fxx/init_cpus.c"
94 #include "cpu/amd/model_fxx/fidvid.c"
96 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
97 #include "northbridge/amd/amdk8/early_ht.c"
99 static void sio_setup(void)
104 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
106 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
108 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
110 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
112 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
114 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
117 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
119 static const uint16_t spd_addr[] = {
128 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
129 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
132 unsigned bsp_apicid = 0;
134 if (!cpu_init_detectedx && boot_cpu()) {
135 /* Nothing special needs to be done to find bus 0. */
136 /* Allow the HT devices to be found. */
137 enumerate_ht_chain();
141 /* Setup the MCP55. */
146 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
148 /* FIXME: This should be part of the Super I/O code/config. */
149 pnp_enter_ext_func_mode(SERIAL_DEV);
150 /* Switch CLKSEL to 24MHz (default is 48MHz). Needed for serial! */
151 pnp_write_config(SERIAL_DEV, 0x24, 0);
152 w83627ehg_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
153 pnp_exit_ext_func_mode(SERIAL_DEV);
155 setup_mb_resource_map();
157 report_bist_failure(bist); /* Halt upon BIST failure. */
159 mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
160 early_usbdebug_init();
164 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
165 print_debug("bsp_apicid=");
166 print_debug_hex8(bsp_apicid);
169 #if CONFIG_MEM_TRAIN_SEQ == 1
170 /* In BSP so could hold all AP until sysinfo is in RAM. */
171 set_sysinfo_in_ram(0);
174 setup_coherent_ht_domain(); /* Routing table and start other core0. */
175 wait_all_core0_started();
177 #if CONFIG_LOGICAL_CPUS == 1
178 /* It is said that we should start core1 after all core0 launched
179 * becase optimize_link_coherent_ht is moved out from
180 * setup_coherent_ht_domain, so here need to make sure last core0 is
181 * started, esp for two way system (there may be APIC ID conflicts in
185 wait_all_other_cores_started(bsp_apicid);
188 /* Set up chains and store link pair for optimization later. */
189 ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */
191 #if CONFIG_SET_FIDVID
193 msr_t msr = rdmsr(0xc0010042);
194 print_debug("begin msr fid, vid ");
195 print_debug_hex32(msr.hi);
196 print_debug_hex32(msr.lo);
201 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
202 init_fidvid_bsp(bsp_apicid);
205 msr_t msr = rdmsr(0xc0010042);
206 print_debug("end msr fid, vid ");
207 print_debug_hex32(msr.hi);
208 print_debug_hex32(msr.lo);
213 init_timer(); /* Need to use TMICT to synconize FID/VID. */
215 needs_reset |= optimize_link_coherent_ht();
216 needs_reset |= optimize_link_incoherent_ht(sysinfo);
217 needs_reset |= mcp55_early_setup_x();
219 /* fidvid change will issue one LDTSTOP and the HT change will be effective too. */
221 print_info("ht reset -\n");
224 allow_all_aps_stop(bsp_apicid);
226 /* It's the time to set ctrl in sysinfo now. */
227 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
231 /* All AP stopped? */
233 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
235 /* bsp switch stack to RAM and copy sysinfo RAM now. */