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_LOGICAL_CPUS==1
20 #define SET_NB_CFG_54 1
23 // used by init_cpus and fidvid
25 //if we want to wait for core1 done before DQS training, set it to 0
26 #define SET_FIDVID_CORE0_ONLY 1
28 #if CONFIG_K8_REV_F_SUPPORT == 1
29 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
34 #include <device/pci_def.h>
35 #include <device/pci_ids.h>
37 #include <device/pnp_def.h>
38 #include <arch/romcc_io.h>
39 #include <cpu/x86/lapic.h>
40 #include <pc80/mc146818rtc.h>
42 #include <console/console.h>
45 #include <cpu/amd/model_fxx_rev.h>
48 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
49 #include "northbridge/amd/amdk8/raminit.h"
50 #include "cpu/amd/model_fxx/apic_timer.c"
51 #include "lib/delay.c"
53 #include "cpu/x86/lapic/boot_cpu.c"
54 #include "northbridge/amd/amdk8/reset_test.c"
55 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
56 #include "superio/winbond/w83627hf/w83627hf_early_init.c"
58 #include "cpu/x86/bist.h"
60 #include "northbridge/amd/amdk8/debug.c"
62 #include "cpu/x86/mtrr/earlymtrr.c"
64 #include "northbridge/amd/amdk8/setup_resource_map.c"
66 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
68 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
70 static void memreset(int controllers, const struct mem_controller *ctrl)
74 static inline void dump_smbus_registers(void)
79 for (device = 1; device < 0x80; device++) {
81 if (smbus_read_byte(device, 0) < 0)
83 printk(BIOS_DEBUG, "smbus: %02x", device);
84 for (j = 0; j < 256; j++) {
87 status = smbus_read_byte(device, j);
92 printk(BIOS_DEBUG, "\n%02x: ", j);
95 printk(BIOS_DEBUG, "%02x ", byte);
101 static inline void activate_spd_rom(const struct mem_controller *ctrl)
104 /* We don't do any switching yet. */
105 #define SMBUS_SWITCH1 0x48
106 #define SMBUS_SWITCH2 0x49
107 unsigned device=(ctrl->channel0[0])>>8;
108 smbus_send_byte(SMBUS_SWITCH1, device);
109 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
114 static int smbus_send_byte_one(unsigned device, unsigned char val)
116 return do_smbus_send_byte(SMBUS1_IO_BASE, device, val);
119 static inline void change_i2c_mux(unsigned device)
121 #define SMBUS_SWITCH1 0x48
122 #define SMBUS_SWITHC2 0x49
123 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
124 smbus_send_byte_one(SMBUS_SWITCH2, (device >> 4) & 0x0f);
126 print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
127 dump_smbus_registers();
128 ret = smbus_send_byte(SMBUS_SWITCH1, device);
129 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
130 dump_smbus_registers();
131 ret = smbus_send_byte_one(SMBUS_SWITCH2, device);
132 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
133 dump_smbus_registers();
137 static inline int spd_read_byte(unsigned device, unsigned address)
139 return smbus_read_byte(device, address);
142 #include "northbridge/amd/amdk8/amdk8_f.h"
143 #include "northbridge/amd/amdk8/incoherent_ht.c"
144 #include "northbridge/amd/amdk8/coherent_ht.c"
145 #include "northbridge/amd/amdk8/raminit_f.c"
146 #include "lib/generic_sdram.c"
148 #include "resourcemap.c"
150 #include "cpu/amd/dualcore/dualcore.c"
152 #define MCP55_PCI_E_X_0 4
154 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
155 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
157 #include "cpu/amd/car/post_cache_as_ram.c"
159 #include "cpu/amd/model_fxx/init_cpus.c"
161 #include "cpu/amd/model_fxx/fidvid.c"
163 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
164 #include "northbridge/amd/amdk8/early_ht.c"
166 static void sio_setup(void)
172 // smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
173 smbusx_write_byte(1, (0x58 >> 1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
175 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
177 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
179 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
181 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
183 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
185 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
188 /* We have no idea where the SMBUS switch is. This doesn't do anything ATM. */
192 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
194 /* The SPD is being read from the CPU1 (marked CPU2 on the board) and we
195 don't know how to switch the SMBus to decode the CPU0 SPDs. So, The
196 memory on each CPU must be an exact match.
198 static const uint16_t spd_addr[] = {
200 RC0 | (0xa << 3) | 0, RC0 | (0xa << 3) | 2,
201 RC0 | (0xa << 3) | 4, RC0 | (0xa << 3) | 6,
202 RC0 | (0xa << 3) | 1, RC0 | (0xa << 3) | 3,
203 RC0 | (0xa << 3) | 5, RC0 | (0xa << 3) | 7,
205 RC1 | (0xa << 3) | 0, RC1 | (0xa << 3) | 2,
206 RC1 | (0xa << 3) | 4, RC1 | (0xa << 3) | 6,
207 RC1 | (0xa << 3) | 1, RC1 | (0xa << 3) | 3,
208 RC1 | (0xa << 3) | 5, RC1 | (0xa << 3) | 7,
211 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
212 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
215 unsigned bsp_apicid = 0;
217 if (!cpu_init_detectedx && boot_cpu()) {
218 /* Nothing special needs to be done to find bus 0 */
219 /* Allow the HT devices to be found */
221 enumerate_ht_chain();
225 /* Setup the mcp55 */
230 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
233 pnp_enter_ext_func_mode(SERIAL_DEV);
234 pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6));
235 w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
236 pnp_exit_ext_func_mode(SERIAL_DEV);
241 /* Halt if there was a built in self test failure */
242 report_bist_failure(bist);
244 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
246 setup_mb_resource_map();
248 print_debug("bsp_apicid=");
249 print_debug_hex8(bsp_apicid);
252 #if CONFIG_MEM_TRAIN_SEQ == 1
253 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
255 /* dump_smbus_registers(); */
256 setup_coherent_ht_domain(); // routing table and start other core0
258 wait_all_core0_started();
259 #if CONFIG_LOGICAL_CPUS==1
260 // It is said that we should start core1 after all core0 launched
261 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
262 * So here need to make sure last core0 is started, esp for two way system,
263 * (there may be apic id conflicts in that case)
266 wait_all_other_cores_started(bsp_apicid);
269 /* it will set up chains and store link pair for optimization later */
270 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
276 msr = rdmsr(0xc0010042);
277 print_debug("begin msr fid, vid ");
278 print_debug_hex32(msr.hi);
279 print_debug_hex32(msr.lo);
286 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
288 init_fidvid_bsp(bsp_apicid);
290 // show final fid and vid
293 msr = rdmsr(0xc0010042);
294 print_debug("end msr fid, vid ");
295 print_debug_hex32(msr.hi);
296 print_debug_hex32(msr.lo);
302 init_timer(); /* Need to use TMICT to synconize FID/VID. */
304 needs_reset |= optimize_link_coherent_ht();
305 needs_reset |= optimize_link_incoherent_ht(sysinfo);
306 needs_reset |= mcp55_early_setup_x();
308 // fidvid change will issue one LDTSTOP and the HT change will be effective too
310 print_info("ht reset -\n");
314 allow_all_aps_stop(bsp_apicid);
316 //It's the time to set ctrl in sysinfo now;
317 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
319 enable_smbus(); /* enable in sio_setup */
321 /* all ap stopped? */
323 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
325 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now