2 * This file is part of the coreboot project.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #if CONFIG_K8_REV_F_SUPPORT == 1
20 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
25 #include <device/pci_def.h>
26 #include <device/pci_ids.h>
28 #include <device/pnp_def.h>
29 #include <arch/romcc_io.h>
30 #include <cpu/x86/lapic.h>
31 #include <pc80/mc146818rtc.h>
33 #include <console/console.h>
37 #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"
45 #include "cpu/x86/lapic/boot_cpu.c"
46 #include "northbridge/amd/amdk8/reset_test.c"
47 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
48 #include "superio/winbond/w83627hf/w83627hf_early_init.c"
50 #include "cpu/x86/bist.h"
52 #include "northbridge/amd/amdk8/debug.c"
54 #include "cpu/x86/mtrr/earlymtrr.c"
56 #include "northbridge/amd/amdk8/setup_resource_map.c"
58 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
60 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
62 static void memreset(int controllers, const struct mem_controller *ctrl)
66 static inline void dump_smbus_registers(void)
71 for (device = 1; device < 0x80; device++) {
73 if (smbus_read_byte(device, 0) < 0)
75 printk(BIOS_DEBUG, "smbus: %02x", device);
76 for (j = 0; j < 256; j++) {
79 status = smbus_read_byte(device, j);
84 printk(BIOS_DEBUG, "\n%02x: ", j);
87 printk(BIOS_DEBUG, "%02x ", byte);
93 static inline void activate_spd_rom(const struct mem_controller *ctrl)
96 /* We don't do any switching yet. */
97 #define SMBUS_SWITCH1 0x48
98 #define SMBUS_SWITCH2 0x49
99 unsigned device=(ctrl->channel0[0])>>8;
100 smbus_send_byte(SMBUS_SWITCH1, device);
101 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
106 static int smbus_send_byte_one(unsigned device, unsigned char val)
108 return do_smbus_send_byte(SMBUS1_IO_BASE, device, val);
111 static inline void change_i2c_mux(unsigned device)
113 #define SMBUS_SWITCH1 0x48
114 #define SMBUS_SWITHC2 0x49
115 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
116 smbus_send_byte_one(SMBUS_SWITCH2, (device >> 4) & 0x0f);
118 print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
119 dump_smbus_registers();
120 ret = smbus_send_byte(SMBUS_SWITCH1, device);
121 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
122 dump_smbus_registers();
123 ret = smbus_send_byte_one(SMBUS_SWITCH2, device);
124 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
125 dump_smbus_registers();
129 static inline int spd_read_byte(unsigned device, unsigned address)
131 return smbus_read_byte(device, address);
134 #include "northbridge/amd/amdk8/amdk8_f.h"
135 #include "northbridge/amd/amdk8/incoherent_ht.c"
136 #include "northbridge/amd/amdk8/coherent_ht.c"
137 #include "northbridge/amd/amdk8/raminit_f.c"
138 #include "lib/generic_sdram.c"
140 #include "resourcemap.c"
142 #include "cpu/amd/dualcore/dualcore.c"
144 #define MCP55_PCI_E_X_0 4
146 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
147 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
149 #include "cpu/amd/car/post_cache_as_ram.c"
151 #include "cpu/amd/model_fxx/init_cpus.c"
153 #include "cpu/amd/model_fxx/fidvid.c"
155 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
156 #include "northbridge/amd/amdk8/early_ht.c"
158 static void sio_setup(void)
164 // smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
165 smbusx_write_byte(1, (0x58 >> 1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
167 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
169 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
171 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
173 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
175 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
177 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
180 /* We have no idea where the SMBUS switch is. This doesn't do anything ATM. */
184 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
186 /* The SPD is being read from the CPU1 (marked CPU2 on the board) and we
187 don't know how to switch the SMBus to decode the CPU0 SPDs. So, The
188 memory on each CPU must be an exact match.
190 static const uint16_t spd_addr[] = {
192 RC0 | DIMM0, RC0 | DIMM2,
193 RC0 | DIMM4, RC0 | DIMM6,
194 RC0 | DIMM1, RC0 | DIMM3,
195 RC0 | DIMM5, RC0 | DIMM7,
197 RC1 | DIMM0, RC1 | DIMM2,
198 RC1 | DIMM4, RC1 | DIMM6,
199 RC1 | DIMM1, RC1 | DIMM3,
200 RC1 | DIMM5, RC1 | DIMM7,
203 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
204 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
207 unsigned bsp_apicid = 0;
209 if (!cpu_init_detectedx && boot_cpu()) {
210 /* Nothing special needs to be done to find bus 0 */
211 /* Allow the HT devices to be found */
213 enumerate_ht_chain();
217 /* Setup the mcp55 */
222 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
225 pnp_enter_ext_func_mode(SERIAL_DEV);
226 pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6));
227 w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
228 pnp_exit_ext_func_mode(SERIAL_DEV);
233 /* Halt if there was a built in self test failure */
234 report_bist_failure(bist);
236 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
238 setup_mb_resource_map();
240 print_debug("bsp_apicid=");
241 print_debug_hex8(bsp_apicid);
244 #if CONFIG_MEM_TRAIN_SEQ == 1
245 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
247 /* dump_smbus_registers(); */
248 setup_coherent_ht_domain(); // routing table and start other core0
250 wait_all_core0_started();
251 #if CONFIG_LOGICAL_CPUS==1
252 // It is said that we should start core1 after all core0 launched
253 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
254 * So here need to make sure last core0 is started, esp for two way system,
255 * (there may be apic id conflicts in that case)
258 wait_all_other_cores_started(bsp_apicid);
261 /* it will set up chains and store link pair for optimization later */
262 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
264 #if CONFIG_SET_FIDVID
268 msr = rdmsr(0xc0010042);
269 print_debug("begin msr fid, vid ");
270 print_debug_hex32(msr.hi);
271 print_debug_hex32(msr.lo);
278 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
280 init_fidvid_bsp(bsp_apicid);
282 // show final fid and vid
285 msr = rdmsr(0xc0010042);
286 print_debug("end msr fid, vid ");
287 print_debug_hex32(msr.hi);
288 print_debug_hex32(msr.lo);
294 init_timer(); /* Need to use TMICT to synconize FID/VID. */
296 needs_reset |= optimize_link_coherent_ht();
297 needs_reset |= optimize_link_incoherent_ht(sysinfo);
298 needs_reset |= mcp55_early_setup_x();
300 // fidvid change will issue one LDTSTOP and the HT change will be effective too
302 print_info("ht reset -\n");
306 allow_all_aps_stop(bsp_apicid);
308 //It's the time to set ctrl in sysinfo now;
309 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
311 enable_smbus(); /* enable in sio_setup */
313 /* all ap stopped? */
315 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
317 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now