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 #define K8_ALLOCATE_IO_RANGE 1
21 #define QRANK_DIMM_SUPPORT 1
23 #if CONFIG_LOGICAL_CPUS==1
24 #define SET_NB_CFG_54 1
27 // used by init_cpus and fidvid
29 //if we want to wait for core1 done before DQS training, set it to 0
30 #define SET_FIDVID_CORE0_ONLY 1
32 #if CONFIG_K8_REV_F_SUPPORT == 1
33 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
38 #include <device/pci_def.h>
39 #include <device/pci_ids.h>
41 #include <device/pnp_def.h>
42 #include <arch/romcc_io.h>
43 #include <cpu/x86/lapic.h>
44 #include <pc80/mc146818rtc.h>
46 #include <console/console.h>
49 #include <cpu/amd/model_fxx_rev.h>
52 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
53 #include "northbridge/amd/amdk8/raminit.h"
54 #include "cpu/amd/model_fxx/apic_timer.c"
55 #include "lib/delay.c"
57 #include "cpu/x86/lapic/boot_cpu.c"
58 #include "northbridge/amd/amdk8/reset_test.c"
59 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
60 #include "superio/winbond/w83627hf/w83627hf_early_init.c"
62 #include "cpu/x86/bist.h"
64 #include "northbridge/amd/amdk8/debug.c"
66 #include "cpu/x86/mtrr/earlymtrr.c"
68 #include "northbridge/amd/amdk8/setup_resource_map.c"
70 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
72 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
74 static void memreset(int controllers, const struct mem_controller *ctrl)
78 static inline void dump_smbus_registers(void)
83 for (device = 1; device < 0x80; device++) {
85 if (smbus_read_byte(device, 0) < 0)
87 printk(BIOS_DEBUG, "smbus: %02x", device);
88 for (j = 0; j < 256; j++) {
91 status = smbus_read_byte(device, j);
96 printk(BIOS_DEBUG, "\n%02x: ", j);
99 printk(BIOS_DEBUG, "%02x ", byte);
105 static inline void activate_spd_rom(const struct mem_controller *ctrl)
108 /* We don't do any switching yet. */
109 #define SMBUS_SWITCH1 0x48
110 #define SMBUS_SWITCH2 0x49
111 unsigned device=(ctrl->channel0[0])>>8;
112 smbus_send_byte(SMBUS_SWITCH1, device);
113 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
118 static int smbus_send_byte_one(unsigned device, unsigned char val)
120 return do_smbus_send_byte(SMBUS1_IO_BASE, device, val);
123 static inline void change_i2c_mux(unsigned device)
125 #define SMBUS_SWITCH1 0x48
126 #define SMBUS_SWITHC2 0x49
127 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
128 smbus_send_byte_one(SMBUS_SWITCH2, (device >> 4) & 0x0f);
130 print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
131 dump_smbus_registers();
132 ret = smbus_send_byte(SMBUS_SWITCH1, device);
133 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
134 dump_smbus_registers();
135 ret = smbus_send_byte_one(SMBUS_SWITCH2, device);
136 print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
137 dump_smbus_registers();
141 static inline int spd_read_byte(unsigned device, unsigned address)
143 return smbus_read_byte(device, address);
146 #include "northbridge/amd/amdk8/amdk8_f.h"
147 #include "northbridge/amd/amdk8/incoherent_ht.c"
148 #include "northbridge/amd/amdk8/coherent_ht.c"
149 #include "northbridge/amd/amdk8/raminit_f.c"
150 #include "lib/generic_sdram.c"
152 #include "resourcemap.c"
154 #include "cpu/amd/dualcore/dualcore.c"
156 #define MCP55_PCI_E_X_0 4
158 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
159 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
161 #include "cpu/amd/car/post_cache_as_ram.c"
163 #include "cpu/amd/model_fxx/init_cpus.c"
165 #include "cpu/amd/model_fxx/fidvid.c"
167 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
168 #include "northbridge/amd/amdk8/early_ht.c"
170 static void sio_setup(void)
176 // smbusx_write_byte(1, (0x58>>1), 0, 0x80); /* select bank0 */
177 smbusx_write_byte(1, (0x58 >> 1), 0xb1, 0xff); /* set FAN ctrl to DC mode */
179 byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b);
181 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0x7b, byte);
183 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0);
185 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa0, dword);
187 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4);
189 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword);
192 /* We have no idea where the SMBUS switch is. This doesn't do anything ATM. */
196 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
198 /* The SPD is being read from the CPU1 (marked CPU2 on the board) and we
199 don't know how to switch the SMBus to decode the CPU0 SPDs. So, The
200 memory on each CPU must be an exact match.
202 static const uint16_t spd_addr[] = {
204 RC0 | (0xa << 3) | 0, RC0 | (0xa << 3) | 2,
205 RC0 | (0xa << 3) | 4, RC0 | (0xa << 3) | 6,
206 RC0 | (0xa << 3) | 1, RC0 | (0xa << 3) | 3,
207 RC0 | (0xa << 3) | 5, RC0 | (0xa << 3) | 7,
209 RC1 | (0xa << 3) | 0, RC1 | (0xa << 3) | 2,
210 RC1 | (0xa << 3) | 4, RC1 | (0xa << 3) | 6,
211 RC1 | (0xa << 3) | 1, RC1 | (0xa << 3) | 3,
212 RC1 | (0xa << 3) | 5, RC1 | (0xa << 3) | 7,
215 struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
216 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
219 unsigned bsp_apicid = 0;
221 if (!cpu_init_detectedx && boot_cpu()) {
222 /* Nothing special needs to be done to find bus 0 */
223 /* Allow the HT devices to be found */
225 enumerate_ht_chain();
229 /* Setup the mcp55 */
234 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
237 pnp_enter_ext_func_mode(SERIAL_DEV);
238 pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6));
239 w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
240 pnp_exit_ext_func_mode(SERIAL_DEV);
245 /* Halt if there was a built in self test failure */
246 report_bist_failure(bist);
248 printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
250 setup_mb_resource_map();
252 print_debug("bsp_apicid=");
253 print_debug_hex8(bsp_apicid);
256 #if CONFIG_MEM_TRAIN_SEQ == 1
257 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
259 /* dump_smbus_registers(); */
260 setup_coherent_ht_domain(); // routing table and start other core0
262 wait_all_core0_started();
263 #if CONFIG_LOGICAL_CPUS==1
264 // It is said that we should start core1 after all core0 launched
265 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
266 * So here need to make sure last core0 is started, esp for two way system,
267 * (there may be apic id conflicts in that case)
270 wait_all_other_cores_started(bsp_apicid);
273 /* it will set up chains and store link pair for optimization later */
274 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
280 msr = rdmsr(0xc0010042);
281 print_debug("begin msr fid, vid ");
282 print_debug_hex32(msr.hi);
283 print_debug_hex32(msr.lo);
290 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
292 init_fidvid_bsp(bsp_apicid);
294 // show final fid and vid
297 msr = rdmsr(0xc0010042);
298 print_debug("end msr fid, vid ");
299 print_debug_hex32(msr.hi);
300 print_debug_hex32(msr.lo);
306 init_timer(); /* Need to use TMICT to synconize FID/VID. */
308 needs_reset |= optimize_link_coherent_ht();
309 needs_reset |= optimize_link_incoherent_ht(sysinfo);
310 needs_reset |= mcp55_early_setup_x();
312 // fidvid change will issue one LDTSTOP and the HT change will be effective too
314 print_info("ht reset -\n");
318 allow_all_aps_stop(bsp_apicid);
320 //It's the time to set ctrl in sysinfo now;
321 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
323 enable_smbus(); /* enable in sio_setup */
325 /* all ap stopped? */
327 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
329 post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now