drop quite a lot of dead code that did nothing but produce warnings and make
[coreboot.git] / src / mainboard / msi / ms9185 / romstage.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 RAMINIT_SYSINFO 1
27 #define CACHE_AS_RAM_ADDRESS_DEBUG 0
28
29 #define SET_NB_CFG_54 1
30
31 //used by raminit
32 #define QRANK_DIMM_SUPPORT 1
33
34 //used by incoherent_ht
35 //#define K8_ALLOCATE_IO_RANGE 1
36
37 //used by init_cpus and fidvid
38 #define SET_FIDVID 1
39 //if we want to wait for core1 done before DQS training, set it to 0
40 #define SET_FIDVID_CORE0_ONLY 1
41
42 #include <stdint.h>
43 #include <string.h>
44 #include <device/pci_def.h>
45 #include <device/pci_ids.h>
46 #include <arch/io.h>
47 #include <device/pnp_def.h>
48 #include <arch/romcc_io.h>
49 #include <cpu/x86/lapic.h>
50 #include "option_table.h"
51 #include "pc80/mc146818rtc_early.c"
52 #include "pc80/serial.c"
53 #include "console/console.c"
54
55 #include <cpu/amd/model_fxx_rev.h>
56 #include "southbridge/broadcom/bcm5785/bcm5785_early_smbus.c"
57 #include "northbridge/amd/amdk8/raminit.h"
58 #include "cpu/amd/model_fxx/apic_timer.c"
59 #include "lib/delay.c"
60 #include <reset.h>
61
62 #include "cpu/x86/lapic/boot_cpu.c"
63 #include "northbridge/amd/amdk8/reset_test.c"
64 #include "northbridge/amd/amdk8/debug.c"
65 #include "superio/nsc/pc87417/pc87417_early_serial.c"
66 #include "cpu/x86/mtrr/earlymtrr.c"
67 #include "cpu/x86/bist.h"
68
69 #include "northbridge/amd/amdk8/setup_resource_map.c"
70
71 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
72 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
73 #include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c"
74 static void memreset_setup(void)
75 {
76 }
77
78 static void memreset(int controllers, const struct mem_controller *ctrl)
79 {
80 }
81
82 static inline void activate_spd_rom(const struct mem_controller *ctrl)
83 {
84 #define SMBUS_SWITCH1 0x70
85 #define SMBUS_SWITCH2 0x72
86         unsigned device = (ctrl->channel0[0]) >> 8;
87         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
88         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
89 }
90
91 #if 0
92 static inline void change_i2c_mux(unsigned device)
93 {
94 #define SMBUS_SWITCH1 0x70
95 #define SMBUS_SWITCH2 0x72
96         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
97         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
98 }
99 #endif
100
101 static inline int spd_read_byte(unsigned device, unsigned address)
102 {
103         return smbus_read_byte(device, address);
104 }
105
106 #include "northbridge/amd/amdk8/amdk8_f.h"
107 #include "northbridge/amd/amdk8/coherent_ht.c"
108
109 #include "northbridge/amd/amdk8/incoherent_ht.c"
110
111 #include "northbridge/amd/amdk8/raminit_f.c"
112
113 #include "lib/generic_sdram.c"
114
115  /* msi does not want the default */
116 #include "resourcemap.c"
117
118 #include "cpu/amd/dualcore/dualcore.c"
119
120 #define RC0 (0x10<<8)
121 #define RC1 (0x01<<8)
122
123 #define DIMM0 0x50
124 #define DIMM1 0x51
125 #define DIMM2 0x52
126 #define DIMM3 0x53
127 #define DIMM4 0x54
128 #define DIMM5 0x55
129 #define DIMM6 0x56
130 #define DIMM7 0x57
131
132
133 #include "cpu/amd/car/post_cache_as_ram.c"
134
135 #include "cpu/amd/model_fxx/init_cpus.c"
136
137 #include "cpu/amd/model_fxx/fidvid.c"
138
139 #include "northbridge/amd/amdk8/early_ht.c"
140
141 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
142 {
143        static const uint16_t spd_addr[] = {
144                        //first node
145                         RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
146                         RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
147 #if CONFIG_MAX_PHYSICAL_CPUS > 1
148                        //second node
149                        RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
150                        RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
151 #endif
152
153        };
154
155         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE +
156                 CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
157
158         int needs_reset;
159         unsigned bsp_apicid = 0;
160
161         if (!cpu_init_detectedx && boot_cpu()) {
162                 /* Nothing special needs to be done to find bus 0 */
163                 /* Allow the HT devices to be found */
164
165                 enumerate_ht_chain();
166
167                 bcm5785_enable_rom();
168
169                 bcm5785_enable_lpc();
170
171                 //enable RTC
172                 pc87417_enable_dev(RTC_DEV);
173         }
174
175         if (bist == 0) {
176                bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
177         }
178
179 //     post_code(0x32);
180
181        pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
182         uart_init();
183         console_init();
184
185 //     dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
186
187        /* Halt if there was a built in self test failure */
188        report_bist_failure(bist);
189
190         printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
191
192        setup_ms9185_resource_map();
193 #if 0
194         dump_pci_device(PCI_DEV(0, 0x18, 0));
195        dump_pci_device(PCI_DEV(0, 0x19, 0));
196 #endif
197
198        print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
199
200        setup_coherent_ht_domain();
201
202        wait_all_core0_started();
203 #if CONFIG_LOGICAL_CPUS==1
204         // It is said that we should start core1 after all core0 launched
205        /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
206         * So here need to make sure last core0 is started, esp for two way system,
207         * (there may be apic id conflicts in that case)
208         */
209         start_other_cores();
210 //bx_a010-     wait_all_other_cores_started(bsp_apicid);
211 #endif
212
213        /* it will set up chains and store link pair for optimization later */
214         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
215
216        bcm5785_early_setup();
217
218 #if 0
219        //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
220         needs_reset = optimize_link_coherent_ht();
221         needs_reset |= optimize_link_incoherent_ht(sysinfo);
222 #endif
223
224 #if SET_FIDVID == 1
225
226         {
227                 msr_t msr;
228                 msr=rdmsr(0xc0010042);
229                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
230
231         }
232
233        enable_fid_change();
234
235        enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
236
237         init_fidvid_bsp(bsp_apicid);
238
239         // show final fid and vid
240         {
241                 msr_t msr;
242                 msr=rdmsr(0xc0010042);
243                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
244
245         }
246 #endif
247
248 #if 1
249        needs_reset = optimize_link_coherent_ht();
250        needs_reset |= optimize_link_incoherent_ht(sysinfo);
251
252         // fidvid change will issue one LDTSTOP and the HT change will be effective too
253         if (needs_reset) {
254                 print_info("ht reset -\n");
255                 soft_reset();
256         }
257 #endif
258        allow_all_aps_stop(bsp_apicid);
259
260         //It's the time to set ctrl in sysinfo now;
261        fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
262
263        enable_smbus();
264
265 #if 0
266        int i;
267        for(i=0;i<2;i++) {
268                activate_spd_rom(sysinfo->ctrl+i);
269                dump_smbus_registers();
270        }
271 #endif
272
273 #if 0
274        int i;
275         for(i=1;i<256;i<<=1) {
276                 change_i2c_mux(i);
277                 dump_smbus_registers();
278         }
279 #endif
280
281        memreset_setup();
282
283        //do we need apci timer, tsc...., only debug need it for better output
284         /* all ap stopped? */
285 //        init_timer(); // Need to use TMICT to synconize FID/VID
286
287        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
288
289 #if 0
290         print_pci_devices();
291 #endif
292
293 #if 0
294 //        dump_pci_devices();
295         dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
296        dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);
297 #endif
298
299        post_cache_as_ram();
300
301 }
302