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 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
145 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
147 #include "cpu/amd/car/post_cache_as_ram.c"
149 #include "cpu/amd/model_fxx/init_cpus.c"
151 #include "cpu/amd/model_fxx/fidvid.c"
153 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
154 #include "northbridge/amd/amdk8/early_ht.c"
156 static void sio_setup(void)
162 // smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
163 smbusx_write_byte(1, (0x58 >> 1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
165 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
167 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
169 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
171 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
173 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
175 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
178 /* We have no idea where the SMBUS switch is. This doesn't do anything ATM. */
182 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
184 /* The SPD is being read from the CPU1 (marked CPU2 on the board) and we
185 don't know how to switch the SMBus to decode the CPU0 SPDs. So, The
186 memory on each CPU must be an exact match.
188 static const uint16_t spd_addr[] = {
190 RC0 | DIMM0, RC0 | DIMM2,
191 RC0 | DIMM4, RC0 | DIMM6,
192 RC0 | DIMM1, RC0 | DIMM3,
193 RC0 | DIMM5, RC0 | DIMM7,
195 RC1 | DIMM0, RC1 | DIMM2,
196 RC1 | DIMM4, RC1 | DIMM6,
197 RC1 | DIMM1, RC1 | DIMM3,
198 RC1 | DIMM5, RC1 | DIMM7,
201 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
202 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
205 unsigned bsp_apicid = 0;
207 if (!cpu_init_detectedx && boot_cpu()) {
208 /* Nothing special needs to be done to find bus 0 */
209 /* Allow the HT devices to be found */
211 enumerate_ht_chain();
215 /* Setup the mcp55 */
220 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
223 pnp_enter_ext_func_mode(SERIAL_DEV);
224 pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6));
225 w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
226 pnp_exit_ext_func_mode(SERIAL_DEV);
231 /* Halt if there was a built in self test failure */
232 report_bist_failure(bist);
234 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
236 setup_mb_resource_map();
238 print_debug("bsp_apicid=");
239 print_debug_hex8(bsp_apicid);
242 #if CONFIG_MEM_TRAIN_SEQ == 1
243 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
245 /* dump_smbus_registers(); */
246 setup_coherent_ht_domain(); // routing table and start other core0
248 wait_all_core0_started();
249 #if CONFIG_LOGICAL_CPUS==1
250 // It is said that we should start core1 after all core0 launched
251 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
252 * So here need to make sure last core0 is started, esp for two way system,
253 * (there may be apic id conflicts in that case)
256 wait_all_other_cores_started(bsp_apicid);
259 /* it will set up chains and store link pair for optimization later */
260 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
262 #if CONFIG_SET_FIDVID
266 msr = rdmsr(0xc0010042);
267 print_debug("begin msr fid, vid ");
268 print_debug_hex32(msr.hi);
269 print_debug_hex32(msr.lo);
276 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
278 init_fidvid_bsp(bsp_apicid);
280 // show final fid and vid
283 msr = rdmsr(0xc0010042);
284 print_debug("end msr fid, vid ");
285 print_debug_hex32(msr.hi);
286 print_debug_hex32(msr.lo);
292 init_timer(); /* Need to use TMICT to synconize FID/VID. */
294 needs_reset |= optimize_link_coherent_ht();
295 needs_reset |= optimize_link_incoherent_ht(sysinfo);
296 needs_reset |= mcp55_early_setup_x();
298 // fidvid change will issue one LDTSTOP and the HT change will be effective too
300 print_info("ht reset -\n");
304 allow_all_aps_stop(bsp_apicid);
306 //It's the time to set ctrl in sysinfo now;
307 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
309 enable_smbus(); /* enable in sio_setup */
311 /* all ap stopped? */
313 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
315 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now