Please bear with me - another rename checkin. This qualifies as trivial, no
[coreboot.git] / src / mainboard / msi / ms9185 / cache_as_ram_auto.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2006 Tyan
5  * Copyright (C) 2006 AMD
6  * Written by Yinghai Lu <yinghailu@gmail.com> for Tyan and AMD.
7  *
8  * Copyright (C) 2006 MSI
9  * Written by bxshi <bingxunshi@gmail.com> for MSI.
10  *
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.
15  *
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.
20  *
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
24  */
25
26 #define ASSEMBLY 1
27 #define __ROMCC__
28
29 #define RAMINIT_SYSINFO 1
30 #define CACHE_AS_RAM_ADDRESS_DEBUG 0
31
32 #define SET_NB_CFG_54 1
33
34 //used by raminit
35 #define QRANK_DIMM_SUPPORT 1
36
37 //used by incoherent_ht
38 //#define K8_SCAN_PCI_BUS 1
39 //#define K8_ALLOCATE_IO_RANGE 1
40
41
42 //used by init_cpus and fidvid
43 #define K8_SET_FIDVID 1
44 //if we want to wait for core1 done before DQS training, set it to 0
45 #define K8_SET_FIDVID_CORE0_ONLY 1
46
47 #define DEBUG_SMBUS 1
48
49 #include <stdint.h>
50 #include <device/pci_def.h>
51 #include <device/pci_ids.h>
52 #include <arch/io.h>
53 #include <device/pnp_def.h>
54 #include <arch/romcc_io.h>
55 #include <cpu/x86/lapic.h>
56 #include "option_table.h"
57 #include "pc80/mc146818rtc_early.c"
58 #include "pc80/serial.c"
59 #include "arch/i386/lib/console.c"
60
61 #if 0
62 static void post_code(uint8_t value) {
63 #if 1
64         int i;
65         for(i=0;i<0x80000;i++) {
66                 outb(value, 0x80);
67         }
68 #endif
69 }
70 #endif
71
72 #include <cpu/amd/model_fxx_rev.h>
73 #include "southbridge/broadcom/bcm5785/bcm5785_early_smbus.c"
74 #include "northbridge/amd/amdk8/raminit.h"
75 #include "cpu/amd/model_fxx/apic_timer.c"
76 #include "lib/delay.c"
77
78 #if CONFIG_USE_INIT == 0
79        #include "lib/memcpy.c"
80 #endif
81
82
83 #include "cpu/x86/lapic/boot_cpu.c"
84 #include "northbridge/amd/amdk8/reset_test.c"
85 #include "northbridge/amd/amdk8/debug.c"
86 #include "superio/nsc/pc87417/pc87417_early_serial.c"
87 #include "cpu/amd/mtrr/amd_earlymtrr.c"
88 #include "cpu/x86/bist.h"
89
90 #include "northbridge/amd/amdk8/setup_resource_map.c"
91
92 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
93 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
94 #include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c"
95 static void memreset_setup(void)
96 {
97 }
98
99 static void memreset(int controllers, const struct mem_controller *ctrl)
100 {
101 }
102
103 static inline void activate_spd_rom(const struct mem_controller *ctrl)
104 {
105 #define SMBUS_SWITCH1 0x70
106 #define SMBUS_SWITCH2 0x72
107         unsigned device = (ctrl->channel0[0]) >> 8;
108         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
109         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
110 }
111
112 #if 0
113 static inline void change_i2c_mux(unsigned device)
114 {
115 #define SMBUS_SWITCH1 0x70
116 #define SMBUS_SWITCH2 0x72
117         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
118         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
119 }
120 #endif
121
122
123
124 static inline int spd_read_byte(unsigned device, unsigned address)
125 {
126         return smbus_read_byte(device, address);
127 }
128
129 #include "northbridge/amd/amdk8/amdk8_f.h"
130 #include "northbridge/amd/amdk8/coherent_ht.c"
131
132 #include "northbridge/amd/amdk8/incoherent_ht.c"
133
134 #include "northbridge/amd/amdk8/raminit_f.c"
135
136 #include "sdram/generic_sdram.c"
137
138  /* msi does not want the default */
139 #include "resourcemap.c"
140
141 #include "cpu/amd/dualcore/dualcore.c"
142
143 #define RC0 (0x10<<8)
144 #define RC1 (0x01<<8)
145
146 #define DIMM0 0x50
147 #define DIMM1 0x51
148 #define DIMM2 0x52
149 #define DIMM3 0x53
150 #define DIMM4 0x54
151 #define DIMM5 0x55
152 #define DIMM6 0x56
153 #define DIMM7 0x57
154
155
156 #include "cpu/amd/car/copy_and_run.c"
157 #include "cpu/amd/car/post_cache_as_ram.c"
158
159 #include "cpu/amd/model_fxx/init_cpus.c"
160
161 #include "cpu/amd/model_fxx/fidvid.c"
162
163 #if USE_FALLBACK_IMAGE == 1
164
165 #include "northbridge/amd/amdk8/early_ht.c"
166
167 void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
168 {
169
170         /* Is this a cpu only reset? Is this a secondary cpu? */
171         if ((cpu_init_detectedx) || (!boot_cpu())) {
172                 if (last_boot_normal()) { // RTC already inited
173                         goto normal_image;
174                 } else {
175                         goto fallback_image;
176                 }
177         }
178         /* Nothing special needs to be done to find bus 0 */
179         /* Allow the HT devices to be found */
180
181         enumerate_ht_chain();
182
183         bcm5785_enable_rom();
184
185         bcm5785_enable_lpc();
186
187         //enable RTC
188         pc87417_enable_dev(RTC_DEV);
189
190         /* Is this a deliberate reset by the bios */
191 //        post_code(0x22);
192         if (bios_reset_detected() && last_boot_normal()) {
193                 goto normal_image;
194         }
195         /* This is the primary cpu how should I boot? */
196         else if (do_normal_boot()) {
197                 goto normal_image;
198         }
199         else {
200                 goto fallback_image;
201         }
202  normal_image:
203 //        post_code(0x23);
204         __asm__ volatile ("jmp __normal_image"
205                 : /* outputs */
206                 : "a" (bist), "b" (cpu_init_detectedx) /* inputs */
207                 );
208
209  fallback_image:
210 //        post_code(0x25);
211         ;
212
213 }
214 #endif
215
216 void real_main(unsigned long bist, unsigned long cpu_init_detectedx);
217
218 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
219 {
220
221 #if USE_FALLBACK_IMAGE == 1
222        failover_process(bist, cpu_init_detectedx);
223 #endif
224        real_main(bist, cpu_init_detectedx);
225
226 }
227
228 void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
229 {
230        static const uint16_t spd_addr[] = {
231                        //first node
232                         RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
233                         RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
234 #if CONFIG_MAX_PHYSICAL_CPUS > 1
235                        //second node
236                        RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
237                        RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
238 #endif
239
240        };
241
242        struct sys_info *sysinfo = (DCACHE_RAM_BASE + DCACHE_RAM_SIZE - DCACHE_RAM_GLOBAL_VAR_SIZE);
243
244         int needs_reset;
245         unsigned bsp_apicid = 0;
246
247         if (bist == 0) {
248                bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
249         }
250
251 //     post_code(0x32);
252
253        pc87417_enable_serial(SERIAL_DEV, TTYS0_BASE);
254         uart_init();
255         console_init();
256
257 //     dump_mem(DCACHE_RAM_BASE+DCACHE_RAM_SIZE-0x200, DCACHE_RAM_BASE+DCACHE_RAM_SIZE);
258
259        /* Halt if there was a built in self test failure */
260        report_bist_failure(bist);
261
262        print_debug("*sysinfo range: ["); print_debug_hex32(sysinfo); print_debug(",");  print_debug_hex32((unsigned long)sysinfo+sizeof(struct sys_info)); print_debug(")\r\n");
263
264        setup_ms9185_resource_map();
265 #if 0
266         dump_pci_device(PCI_DEV(0, 0x18, 0));
267        dump_pci_device(PCI_DEV(0, 0x19, 0));
268 #endif
269
270        print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\r\n");
271
272        setup_coherent_ht_domain();
273
274        wait_all_core0_started();
275 #if CONFIG_LOGICAL_CPUS==1
276         // It is said that we should start core1 after all core0 launched
277        /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
278         * So here need to make sure last core0 is started, esp for two way system,
279         * (there may be apic id conflicts in that case)
280         */
281         start_other_cores();
282 //bx_a010-     wait_all_other_cores_started(bsp_apicid);
283 #endif
284
285        /* it will set up chains and store link pair for optimization later */
286         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
287
288        bcm5785_early_setup();
289
290
291 #if 0
292        //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
293         needs_reset = optimize_link_coherent_ht();
294         needs_reset |= optimize_link_incoherent_ht(sysinfo);
295 #endif
296
297 #if K8_SET_FIDVID == 1
298
299         {
300                 msr_t msr;
301                 msr=rdmsr(0xc0010042);
302                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n");
303
304         }
305
306        enable_fid_change();
307
308        enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
309
310         init_fidvid_bsp(bsp_apicid);
311
312         // show final fid and vid
313         {
314                 msr_t msr;
315                 msr=rdmsr(0xc0010042);
316                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n");
317
318         }
319 #endif
320
321 #if 1
322        needs_reset = optimize_link_coherent_ht();
323        needs_reset |= optimize_link_incoherent_ht(sysinfo);
324
325         // fidvid change will issue one LDTSTOP and the HT change will be effective too
326         if (needs_reset) {
327                 print_info("ht reset -\r\n");
328                 soft_reset();
329         }
330 #endif
331        allow_all_aps_stop(bsp_apicid);
332
333         //It's the time to set ctrl in sysinfo now;
334        fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
335
336        enable_smbus();
337
338 #if 0
339        int i;
340        for(i=0;i<2;i++) {
341                activate_spd_rom(sysinfo->ctrl+i);
342                dump_smbus_registers();
343        }
344 #endif
345
346 #if 0
347        int i;
348         for(i=1;i<256;i<<=1) {
349                 change_i2c_mux(i);
350                 dump_smbus_registers();
351         }
352 #endif
353
354        memreset_setup();
355
356        //do we need apci timer, tsc...., only debug need it for better output
357         /* all ap stopped? */
358 //        init_timer(); // Need to use TMICT to synconize FID/VID
359
360        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
361
362 #if 0
363         print_pci_devices();
364 #endif
365
366 #if 0
367 //        dump_pci_devices();
368         dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
369        dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);
370 #endif
371
372        post_cache_as_ram();
373
374
375 }