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>
32 #include <console/console.h>
35 #include <cpu/amd/model_fxx_rev.h>
36 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c" // for enable the FAN
37 #include "northbridge/amd/amdk8/raminit.h"
38 #include "cpu/amd/model_fxx/apic_timer.c"
39 #include "lib/delay.c"
40 #include "cpu/x86/lapic/boot_cpu.c"
41 #include "northbridge/amd/amdk8/reset_test.c"
42 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
43 #include "superio/winbond/w83627hf/w83627hf_early_init.c"
44 #include "cpu/x86/bist.h"
45 #include "northbridge/amd/amdk8/debug.c"
46 #include "cpu/x86/mtrr/earlymtrr.c"
47 #include "northbridge/amd/amdk8/setup_resource_map.c"
48 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
50 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
52 static void memreset(int controllers, const struct mem_controller *ctrl) { }
54 static inline void dump_smbus_registers(void)
59 for (device = 1; device < 0x80; device++) {
61 if (smbus_read_byte(device, 0) < 0)
63 printk(BIOS_DEBUG, "smbus: %02x", device);
64 for (j = 0; j < 256; j++) {
67 status = smbus_read_byte(device, j);
72 printk(BIOS_DEBUG, "\n%02x: ", j);
75 printk(BIOS_DEBUG, "%02x ", byte);
81 static inline void activate_spd_rom(const struct mem_controller *ctrl)
84 /* We don't do any switching yet. */
85 #define SMBUS_SWITCH1 0x48
86 #define SMBUS_SWITCH2 0x49
87 unsigned device=(ctrl->channel0[0])>>8;
88 smbus_send_byte(SMBUS_SWITCH1, device);
89 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
94 static int smbus_send_byte_one(unsigned device, unsigned char val)
96 return do_smbus_send_byte(SMBUS1_IO_BASE, device, val);
99 static inline void change_i2c_mux(unsigned device)
101 #define SMBUS_SWITCH1 0x48
102 #define SMBUS_SWITHC2 0x49
103 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
104 smbus_send_byte_one(SMBUS_SWITCH2, (device >> 4) & 0x0f);
106 print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
107 dump_smbus_registers();
108 ret = smbus_send_byte(SMBUS_SWITCH1, device);
109 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
110 dump_smbus_registers();
111 ret = smbus_send_byte_one(SMBUS_SWITCH2, device);
112 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
113 dump_smbus_registers();
117 static inline int spd_read_byte(unsigned device, unsigned address)
119 return smbus_read_byte(device, address);
122 #include "northbridge/amd/amdk8/amdk8_f.h"
123 #include "northbridge/amd/amdk8/incoherent_ht.c"
124 #include "northbridge/amd/amdk8/coherent_ht.c"
125 #include "northbridge/amd/amdk8/raminit_f.c"
126 #include "lib/generic_sdram.c"
127 #include "resourcemap.c"
128 #include "cpu/amd/dualcore/dualcore.c"
129 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
130 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
131 #include "cpu/amd/car/post_cache_as_ram.c"
132 #include "cpu/amd/model_fxx/init_cpus.c"
133 #include "cpu/amd/model_fxx/fidvid.c"
134 #include "northbridge/amd/amdk8/early_ht.c"
136 static void sio_setup(void)
142 // smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
143 smbusx_write_byte(1, (0x58 >> 1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
145 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
147 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
149 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
151 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
153 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
155 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
158 /* We have no idea where the SMBUS switch is. This doesn't do anything ATM. */
162 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
164 /* The SPD is being read from the CPU1 (marked CPU2 on the board) and we
165 don't know how to switch the SMBus to decode the CPU0 SPDs. So, The
166 memory on each CPU must be an exact match.
168 static const uint16_t spd_addr[] = {
170 RC0 | DIMM0, RC0 | DIMM2,
171 RC0 | DIMM4, RC0 | DIMM6,
172 RC0 | DIMM1, RC0 | DIMM3,
173 RC0 | DIMM5, RC0 | DIMM7,
175 RC1 | DIMM0, RC1 | DIMM2,
176 RC1 | DIMM4, RC1 | DIMM6,
177 RC1 | DIMM1, RC1 | DIMM3,
178 RC1 | DIMM5, RC1 | DIMM7,
181 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
182 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
184 unsigned bsp_apicid = 0;
186 if (!cpu_init_detectedx && boot_cpu()) {
187 /* Nothing special needs to be done to find bus 0 */
188 /* Allow the HT devices to be found */
189 enumerate_ht_chain();
194 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
196 pnp_enter_ext_func_mode(SERIAL_DEV);
197 pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6));
198 w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
199 pnp_exit_ext_func_mode(SERIAL_DEV);
204 /* Halt if there was a built in self test failure */
205 report_bist_failure(bist);
207 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
209 setup_mb_resource_map();
211 print_debug("bsp_apicid=");
212 print_debug_hex8(bsp_apicid);
215 #if CONFIG_MEM_TRAIN_SEQ == 1
216 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
218 /* dump_smbus_registers(); */
219 setup_coherent_ht_domain(); // routing table and start other core0
221 wait_all_core0_started();
222 #if CONFIG_LOGICAL_CPUS==1
223 // It is said that we should start core1 after all core0 launched
224 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
225 * So here need to make sure last core0 is started, esp for two way system,
226 * (there may be apic id conflicts in that case)
229 wait_all_other_cores_started(bsp_apicid);
232 /* it will set up chains and store link pair for optimization later */
233 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
235 #if CONFIG_SET_FIDVID
238 msr = rdmsr(0xc0010042);
239 print_debug("begin msr fid, vid ");
240 print_debug_hex32(msr.hi);
241 print_debug_hex32(msr.lo);
245 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
246 init_fidvid_bsp(bsp_apicid);
247 // show final fid and vid
250 msr = rdmsr(0xc0010042);
251 print_debug("end msr fid, vid ");
252 print_debug_hex32(msr.hi);
253 print_debug_hex32(msr.lo);
258 init_timer(); /* Need to use TMICT to synconize FID/VID. */
260 needs_reset |= optimize_link_coherent_ht();
261 needs_reset |= optimize_link_incoherent_ht(sysinfo);
262 needs_reset |= mcp55_early_setup_x();
264 // fidvid change will issue one LDTSTOP and the HT change will be effective too
266 print_info("ht reset -\n");
270 allow_all_aps_stop(bsp_apicid);
272 //It's the time to set ctrl in sysinfo now;
273 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
275 enable_smbus(); /* enable in sio_setup */
277 /* all ap stopped? */
279 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
281 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now