2 * This file is part of the coreboot project.
4 * Copyright (C) 2006 Tyan
5 * Copyright (C) 2006 AMD
6 * Written by Yinghai Lu <yinghailu@gmail.com> for Tyan and AMD.
8 * Copyright (C) 2006 MSI
9 * Written by bxshi <bingxunshi@gmail.com> for MSI.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 #define RAMINIT_SYSINFO 1
30 #define CACHE_AS_RAM_ADDRESS_DEBUG 0
32 #define SET_NB_CFG_54 1
35 #define QRANK_DIMM_SUPPORT 1
37 //used by incoherent_ht
38 //#define K8_ALLOCATE_IO_RANGE 1
40 //used by init_cpus and fidvid
41 #define K8_SET_FIDVID 1
42 //if we want to wait for core1 done before DQS training, set it to 0
43 #define K8_SET_FIDVID_CORE0_ONLY 1
47 #include <device/pci_def.h>
48 #include <device/pci_ids.h>
50 #include <device/pnp_def.h>
51 #include <arch/romcc_io.h>
52 #include <cpu/x86/lapic.h>
53 #include "option_table.h"
54 #include "pc80/mc146818rtc_early.c"
55 #include "pc80/serial.c"
56 #include "arch/i386/lib/console.c"
59 static void post_code(uint8_t value) {
62 for(i=0;i<0x80000;i++) {
69 #include <cpu/amd/model_fxx_rev.h>
70 #include "southbridge/broadcom/bcm5785/bcm5785_early_smbus.c"
71 #include "northbridge/amd/amdk8/raminit.h"
72 #include "cpu/amd/model_fxx/apic_timer.c"
73 #include "lib/delay.c"
76 #include "cpu/x86/lapic/boot_cpu.c"
77 #include "northbridge/amd/amdk8/reset_test.c"
78 #include "northbridge/amd/amdk8/debug.c"
79 #include "superio/nsc/pc87417/pc87417_early_serial.c"
80 #include "cpu/amd/mtrr/amd_earlymtrr.c"
81 #include "cpu/x86/bist.h"
83 #include "northbridge/amd/amdk8/setup_resource_map.c"
85 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
86 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
87 #include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c"
88 static void memreset_setup(void)
92 static void memreset(int controllers, const struct mem_controller *ctrl)
96 static inline void activate_spd_rom(const struct mem_controller *ctrl)
98 #define SMBUS_SWITCH1 0x70
99 #define SMBUS_SWITCH2 0x72
100 unsigned device = (ctrl->channel0[0]) >> 8;
101 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
102 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
106 static inline void change_i2c_mux(unsigned device)
108 #define SMBUS_SWITCH1 0x70
109 #define SMBUS_SWITCH2 0x72
110 smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
111 smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
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/coherent_ht.c"
125 #include "northbridge/amd/amdk8/incoherent_ht.c"
127 #include "northbridge/amd/amdk8/raminit_f.c"
129 #include "lib/generic_sdram.c"
131 /* msi does not want the default */
132 #include "resourcemap.c"
134 #include "cpu/amd/dualcore/dualcore.c"
136 #define RC0 (0x10<<8)
137 #define RC1 (0x01<<8)
149 #include "cpu/amd/car/copy_and_run.c"
150 #include "cpu/amd/car/post_cache_as_ram.c"
152 #include "cpu/amd/model_fxx/init_cpus.c"
154 #include "cpu/amd/model_fxx/fidvid.c"
156 #include "northbridge/amd/amdk8/early_ht.c"
158 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
160 static const uint16_t spd_addr[] = {
162 RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
163 RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
164 #if CONFIG_MAX_PHYSICAL_CPUS > 1
166 RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
167 RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
172 struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
175 unsigned bsp_apicid = 0;
177 if (!((cpu_init_detectedx) || (!boot_cpu()))) {
178 /* Nothing special needs to be done to find bus 0 */
179 /* Allow the HT devices to be found */
181 enumerate_ht_chain();
183 bcm5785_enable_rom();
185 bcm5785_enable_lpc();
188 pc87417_enable_dev(RTC_DEV);
192 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
197 pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
201 // dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
203 /* Halt if there was a built in self test failure */
204 report_bist_failure(bist);
206 print_debug("*sysinfo range: ["); print_debug_hex32(sysinfo); print_debug(","); print_debug_hex32((unsigned long)sysinfo+sizeof(struct sys_info)); print_debug(")\r\n");
208 setup_ms9185_resource_map();
210 dump_pci_device(PCI_DEV(0, 0x18, 0));
211 dump_pci_device(PCI_DEV(0, 0x19, 0));
214 print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\r\n");
216 setup_coherent_ht_domain();
218 wait_all_core0_started();
219 #if CONFIG_LOGICAL_CPUS==1
220 // It is said that we should start core1 after all core0 launched
221 /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
222 * So here need to make sure last core0 is started, esp for two way system,
223 * (there may be apic id conflicts in that case)
226 //bx_a010- wait_all_other_cores_started(bsp_apicid);
229 /* it will set up chains and store link pair for optimization later */
230 ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
232 bcm5785_early_setup();
236 //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
237 needs_reset = optimize_link_coherent_ht();
238 needs_reset |= optimize_link_incoherent_ht(sysinfo);
241 #if K8_SET_FIDVID == 1
245 msr=rdmsr(0xc0010042);
246 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n");
252 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
254 init_fidvid_bsp(bsp_apicid);
256 // show final fid and vid
259 msr=rdmsr(0xc0010042);
260 print_debug("end msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n");
266 needs_reset = optimize_link_coherent_ht();
267 needs_reset |= optimize_link_incoherent_ht(sysinfo);
269 // fidvid change will issue one LDTSTOP and the HT change will be effective too
271 print_info("ht reset -\r\n");
275 allow_all_aps_stop(bsp_apicid);
277 //It's the time to set ctrl in sysinfo now;
278 fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
285 activate_spd_rom(sysinfo->ctrl+i);
286 dump_smbus_registers();
292 for(i=1;i<256;i<<=1) {
294 dump_smbus_registers();
300 //do we need apci timer, tsc...., only debug need it for better output
301 /* all ap stopped? */
302 // init_timer(); // Need to use TMICT to synconize FID/VID
304 sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
311 // dump_pci_devices();
312 dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
313 dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);