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 // #define RAM_TIMING_DEBUG 1
24 // #define DQS_TRAIN_DEBUG 1
25 // #define RES_DEBUG 1
27 #define RAMINIT_SYSINFO 1
28 #define K8_ALLOCATE_IO_RANGE 1
29 #define QRANK_DIMM_SUPPORT 1
30 #if CONFIG_LOGICAL_CPUS == 1
31 #define SET_NB_CFG_54 1
34 /* Used by init_cpus and fidvid. */
37 /* If we want to wait for core1 done before DQS training, set it to 0. */
38 #define SET_FIDVID_CORE0_ONLY 1
40 #if CONFIG_K8_REV_F_SUPPORT == 1
41 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
46 #include <device/pci_def.h>
47 #include <device/pci_ids.h>
49 #include <device/pnp_def.h>
50 #include <arch/romcc_io.h>
51 #include <cpu/x86/lapic.h>
52 #include <pc80/mc146818rtc.h>
54 #include <console/console.h>
56 #include <cpu/amd/model_fxx_rev.h>
57 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
58 #include "northbridge/amd/amdk8/raminit.h"
59 #include "cpu/amd/model_fxx/apic_timer.c"
60 #include "lib/delay.c"
63 #include "cpu/x86/lapic/boot_cpu.c"
64 #include "northbridge/amd/amdk8/reset_test.c"
65 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
66 #include "superio/winbond/w83627ehg/w83627ehg_early_init.c"
68 #include "cpu/x86/bist.h"
69 #include "northbridge/amd/amdk8/debug.c"
70 #include "cpu/x86/mtrr/earlymtrr.c"
71 #include "northbridge/amd/amdk8/setup_resource_map.c"
73 /* Yes, on the MSI K9N Neo (MS-7260) the Super I/O is at 0x4e! */
74 #define SERIAL_DEV PNP_DEV(0x4e, W83627EHG_SP1)
76 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
78 static void memreset(int controllers, const struct mem_controller *ctrl) {}
79 static inline void activate_spd_rom(const struct mem_controller *ctrl) {}
81 static inline int spd_read_byte(unsigned int device, unsigned int address)
83 return smbus_read_byte(device, address);
86 #include "northbridge/amd/amdk8/amdk8_f.h"
87 #include "northbridge/amd/amdk8/incoherent_ht.c"
88 #include "northbridge/amd/amdk8/coherent_ht.c"
89 #include "northbridge/amd/amdk8/raminit_f.c"
90 #include "lib/generic_sdram.c"
92 #include "resourcemap.c"
93 #include "cpu/amd/dualcore/dualcore.c"
95 #define MCP55_PCI_E_X_0 0
97 #define MCP55_MB_SETUP \
98 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
99 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
100 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
101 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
102 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
103 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
105 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
106 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
108 #include "cpu/amd/car/post_cache_as_ram.c"
109 #include "cpu/amd/model_fxx/init_cpus.c"
110 #include "cpu/amd/model_fxx/fidvid.c"
112 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
113 #include "northbridge/amd/amdk8/early_ht.c"
115 static void sio_setup(void)
120 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
122 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
124 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
126 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
128 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
130 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
133 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
135 static const uint16_t spd_addr[] = {
137 (0xa << 3) | 0, (0xa << 3) | 2, 0, 0,
138 (0xa << 3) | 1, (0xa << 3) | 3, 0, 0,
140 (0xa << 3) | 4, (0xa << 3) | 6, 0, 0,
141 (0xa << 3) | 5, (0xa << 3) | 7, 0, 0,
144 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
145 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
148 unsigned bsp_apicid = 0;
150 if (!cpu_init_detectedx && boot_cpu()) {
151 /* Nothing special needs to be done to find bus 0. */
152 /* Allow the HT devices to be found. */
153 enumerate_ht_chain();
157 /* Setup the MCP55. */
162 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
164 /* FIXME: This should be part of the Super I/O code/config. */
165 pnp_enter_ext_func_mode(SERIAL_DEV);
166 /* Switch CLKSEL to 24MHz (default is 48MHz). Needed for serial! */
167 pnp_write_config(SERIAL_DEV, 0x24, 0);
168 w83627ehg_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
169 pnp_exit_ext_func_mode(SERIAL_DEV);
171 setup_mb_resource_map();
173 report_bist_failure(bist); /* Halt upon BIST failure. */
175 mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
176 early_usbdebug_init();
180 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
181 print_debug("bsp_apicid=");
182 print_debug_hex8(bsp_apicid);
185 #if CONFIG_MEM_TRAIN_SEQ == 1
186 /* In BSP so could hold all AP until sysinfo is in RAM. */
187 set_sysinfo_in_ram(0);
190 setup_coherent_ht_domain(); /* Routing table and start other core0. */
191 wait_all_core0_started();
193 #if CONFIG_LOGICAL_CPUS == 1
194 /* It is said that we should start core1 after all core0 launched
195 * becase optimize_link_coherent_ht is moved out from
196 * setup_coherent_ht_domain, so here need to make sure last core0 is
197 * started, esp for two way system (there may be APIC ID conflicts in
201 wait_all_other_cores_started(bsp_apicid);
204 /* Set up chains and store link pair for optimization later. */
205 ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */
209 msr_t msr = rdmsr(0xc0010042);
210 print_debug("begin msr fid, vid ");
211 print_debug_hex32(msr.hi);
212 print_debug_hex32(msr.lo);
217 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
218 init_fidvid_bsp(bsp_apicid);
221 msr_t msr = rdmsr(0xc0010042);
222 print_debug("end msr fid, vid ");
223 print_debug_hex32(msr.hi);
224 print_debug_hex32(msr.lo);
229 init_timer(); /* Need to use TMICT to synconize FID/VID. */
231 needs_reset |= optimize_link_coherent_ht();
232 needs_reset |= optimize_link_incoherent_ht(sysinfo);
233 needs_reset |= mcp55_early_setup_x();
235 /* fidvid change will issue one LDTSTOP and the HT change will be effective too. */
237 print_info("ht reset -\n");
240 allow_all_aps_stop(bsp_apicid);
242 /* It's the time to set ctrl in sysinfo now. */
243 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
247 /* All AP stopped? */
249 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
251 /* bsp switch stack to RAM and copy sysinfo RAM now. */