Remove comments that are obsolete since r6028.
[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 SET_NB_CFG_54 1
27
28 //used by incoherent_ht
29 //#define K8_ALLOCATE_IO_RANGE 1
30
31 //used by init_cpus and fidvid
32 #define SET_FIDVID 1
33 //if we want to wait for core1 done before DQS training, set it to 0
34 #define SET_FIDVID_CORE0_ONLY 1
35
36 #include <stdint.h>
37 #include <string.h>
38 #include <device/pci_def.h>
39 #include <device/pci_ids.h>
40 #include <arch/io.h>
41 #include <device/pnp_def.h>
42 #include <arch/romcc_io.h>
43 #include <cpu/x86/lapic.h>
44 #include <pc80/mc146818rtc.h>
45 #include <console/console.h>
46
47 #include <cpu/amd/model_fxx_rev.h>
48 #include "southbridge/broadcom/bcm5785/bcm5785_early_smbus.c"
49 #include "southbridge/broadcom/bcm5785/bcm5785_enable_rom.c"
50 #include "northbridge/amd/amdk8/raminit.h"
51 #include "cpu/amd/model_fxx/apic_timer.c"
52 #include "lib/delay.c"
53 #include <reset.h>
54
55 #include "cpu/x86/lapic/boot_cpu.c"
56 #include "northbridge/amd/amdk8/reset_test.c"
57 #include "northbridge/amd/amdk8/debug.c"
58 #include "superio/nsc/pc87417/pc87417_early_serial.c"
59 #include "cpu/x86/mtrr/earlymtrr.c"
60 #include "cpu/x86/bist.h"
61
62 #include "northbridge/amd/amdk8/setup_resource_map.c"
63
64 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
65 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
66 #include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c"
67
68 static void memreset(int controllers, const struct mem_controller *ctrl)
69 {
70 }
71
72 static inline void activate_spd_rom(const struct mem_controller *ctrl)
73 {
74 #define SMBUS_SWITCH1 0x70
75 #define SMBUS_SWITCH2 0x72
76         unsigned device = (ctrl->channel0[0]) >> 8;
77         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
78         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
79 }
80
81 #if 0
82 static inline void change_i2c_mux(unsigned device)
83 {
84 #define SMBUS_SWITCH1 0x70
85 #define SMBUS_SWITCH2 0x72
86         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
87         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
88 }
89 #endif
90
91 static inline int spd_read_byte(unsigned device, unsigned address)
92 {
93         return smbus_read_byte(device, address);
94 }
95
96 #include "northbridge/amd/amdk8/amdk8_f.h"
97 #include "northbridge/amd/amdk8/incoherent_ht.c"
98 #include "northbridge/amd/amdk8/coherent_ht.c"
99 #include "northbridge/amd/amdk8/raminit_f.c"
100 #include "lib/generic_sdram.c"
101
102  /* msi does not want the default */
103 #include "resourcemap.c"
104
105 #include "cpu/amd/dualcore/dualcore.c"
106
107 #define RC0 (0x10<<8)
108 #define RC1 (0x01<<8)
109
110 #define DIMM0 0x50
111 #define DIMM1 0x51
112 #define DIMM2 0x52
113 #define DIMM3 0x53
114 #define DIMM4 0x54
115 #define DIMM5 0x55
116 #define DIMM6 0x56
117 #define DIMM7 0x57
118
119 #include "cpu/amd/car/post_cache_as_ram.c"
120
121 #include "cpu/amd/model_fxx/init_cpus.c"
122
123 #include "cpu/amd/model_fxx/fidvid.c"
124
125 #include "northbridge/amd/amdk8/early_ht.c"
126
127 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
128 {
129        static const uint16_t spd_addr[] = {
130                        //first node
131                         RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
132                         RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
133                        //second node
134                        RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
135                        RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
136        };
137
138         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE +
139                 CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
140
141         int needs_reset;
142         unsigned bsp_apicid = 0;
143
144         if (!cpu_init_detectedx && boot_cpu()) {
145                 /* Nothing special needs to be done to find bus 0 */
146                 /* Allow the HT devices to be found */
147
148                 enumerate_ht_chain();
149
150                 bcm5785_enable_rom();
151
152                 bcm5785_enable_lpc();
153
154                 //enable RTC
155                 pc87417_enable_dev(RTC_DEV);
156         }
157
158         if (bist == 0) {
159                bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
160         }
161
162 //     post_code(0x32);
163
164        pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
165         uart_init();
166         console_init();
167
168 //     dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
169
170        /* Halt if there was a built in self test failure */
171        report_bist_failure(bist);
172
173         printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
174
175        setup_ms9185_resource_map();
176 #if 0
177         dump_pci_device(PCI_DEV(0, 0x18, 0));
178        dump_pci_device(PCI_DEV(0, 0x19, 0));
179 #endif
180
181        print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
182
183        setup_coherent_ht_domain();
184
185        wait_all_core0_started();
186 #if CONFIG_LOGICAL_CPUS==1
187         // It is said that we should start core1 after all core0 launched
188        /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
189         * So here need to make sure last core0 is started, esp for two way system,
190         * (there may be apic id conflicts in that case)
191         */
192         start_other_cores();
193 //bx_a010-     wait_all_other_cores_started(bsp_apicid);
194 #endif
195
196        /* it will set up chains and store link pair for optimization later */
197         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
198
199        bcm5785_early_setup();
200
201 #if 0
202        //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
203         needs_reset = optimize_link_coherent_ht();
204         needs_reset |= optimize_link_incoherent_ht(sysinfo);
205 #endif
206
207 #if SET_FIDVID == 1
208
209         {
210                 msr_t msr;
211                 msr=rdmsr(0xc0010042);
212                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
213
214         }
215
216        enable_fid_change();
217
218        enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
219
220         init_fidvid_bsp(bsp_apicid);
221
222         // show final fid and vid
223         {
224                 msr_t msr;
225                 msr=rdmsr(0xc0010042);
226                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
227
228         }
229 #endif
230
231 #if 1
232        needs_reset = optimize_link_coherent_ht();
233        needs_reset |= optimize_link_incoherent_ht(sysinfo);
234
235         // fidvid change will issue one LDTSTOP and the HT change will be effective too
236         if (needs_reset) {
237                 print_info("ht reset -\n");
238                 soft_reset();
239         }
240 #endif
241        allow_all_aps_stop(bsp_apicid);
242
243         //It's the time to set ctrl in sysinfo now;
244        fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
245
246        enable_smbus();
247
248 #if 0
249        int i;
250        for(i=0;i<2;i++) {
251                activate_spd_rom(sysinfo->ctrl+i);
252                dump_smbus_registers();
253        }
254 #endif
255
256 #if 0
257        int i;
258         for(i=1;i<256;i<<=1) {
259                 change_i2c_mux(i);
260                 dump_smbus_registers();
261         }
262 #endif
263
264        //do we need apci timer, tsc...., only debug need it for better output
265         /* all ap stopped? */
266 //        init_timer(); // Need to use TMICT to synconize FID/VID
267
268        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
269
270 #if 0
271         print_pci_devices();
272 #endif
273
274 #if 0
275 //        dump_pci_devices();
276         dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
277        dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);
278 #endif
279
280        post_cache_as_ram();
281
282 }
283