Remove comments that are obsolete since r6028.
[coreboot.git] / src / mainboard / msi / ms9282 / romstage.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2006 AMD
5  * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
6  *
7  * Copyright (C) 2006 MSI
8  * Written by Bingxun Shi <bingxunshi@gmail.com> for MSI.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
23  */
24
25 #define SET_NB_CFG_54 1
26
27 // used by init_cpus and fidvid (disabled until someone tests this)
28 // #define SET_FIDVID 1
29 #define SET_FIDVID 0
30 // if we want to wait for core1 done before DQS training, set it to 0
31 // #define SET_FIDVID_CORE0_ONLY 1
32
33 #include <stdint.h>
34 #include <string.h>
35 #include <device/pci_def.h>
36 #include <arch/io.h>
37 #include <device/pnp_def.h>
38 #include <arch/romcc_io.h>
39 #include <cpu/x86/lapic.h>
40 #include <pc80/mc146818rtc.h>
41 #include <console/console.h>
42
43 #include <cpu/amd/model_fxx_rev.h>
44 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
45 #include "northbridge/amd/amdk8/raminit.h"
46 #include "cpu/amd/model_fxx/apic_timer.c"
47 #include "lib/delay.c"
48
49 #include "cpu/x86/lapic/boot_cpu.c"
50 #include "northbridge/amd/amdk8/reset_test.c"
51 #include "northbridge/amd/amdk8/debug.c"
52 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
53
54 #include "cpu/x86/mtrr/earlymtrr.c"
55 #include "cpu/x86/bist.h"
56
57 #include "northbridge/amd/amdk8/setup_resource_map.c"
58
59 #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
60 #define RTC_DEV PNP_DEV(0x2e, W83627EHG_RTC)
61
62 #include <device/pci_ids.h>
63 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
64
65 static void memreset(int controllers, const struct mem_controller *ctrl)
66 {
67 }
68
69 static inline void activate_spd_rom(const struct mem_controller *ctrl)
70 {
71 #define SMBUS_SWITCH1 0x70
72 #define SMBUS_SWITCH2 0x72
73         unsigned device=(ctrl->channel0[0])>>8;
74         smbus_send_byte(SMBUS_SWITCH1, device);
75        smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
76 }
77
78 #if 0
79 static inline void change_i2c_mux(unsigned device)
80 {
81 #define SMBUS_SWITCH1 0x70
82 #define SMBUS_SWITHC2 0x72
83         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
84        smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
85 }
86 #endif
87
88 static inline int spd_read_byte(unsigned device, unsigned address)
89 {
90        return smbus_read_byte(device, address);
91 }
92
93 #include "northbridge/amd/amdk8/amdk8_f.h"
94 #include "northbridge/amd/amdk8/incoherent_ht.c"
95 #include "northbridge/amd/amdk8/coherent_ht.c"
96 #include "northbridge/amd/amdk8/raminit_f.c"
97 #include "lib/generic_sdram.c"
98
99  /* msi does not want the default */
100 #include "resourcemap.c"
101 #include "cpu/amd/dualcore/dualcore.c"
102
103 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
104 //set GPIO to input mode
105 #define MCP55_MB_SETUP \
106                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+15, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* M8,GPIO16, PCIXA_PRSNT2_L*/ \
107                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+44, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P5,GPIO45, PCIXA_PRSNT1_L*/ \
108                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+16, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* K4,GPIO17, PCIXB_PRSNT1_L*/ \
109                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+45, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P7,GPIO46, PCIXB_PRSNT2_L*/ \
110
111 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
112
113 #include "cpu/amd/car/post_cache_as_ram.c"
114
115 #include "cpu/amd/model_fxx/init_cpus.c"
116 // Disabled until it's actually used:
117 // #include "cpu/amd/model_fxx/fidvid.c"
118
119 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
120 #include "northbridge/amd/amdk8/early_ht.c"
121
122 static void sio_setup(void)
123 {
124         uint32_t dword;
125         uint8_t byte;
126
127         byte = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
128         byte |= 0x20;
129         pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
130
131         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
132         dword |= (1<<0);
133         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
134 }
135
136 //CPU 1 mem is on SMBUS_HUB channel 2, and CPU 2 mem is on channel 1.
137 #define RC0 (2<<8)
138 #define RC1 (1<<8)
139
140 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
141 {
142         static const uint16_t spd_addr[] = {
143                 // Node 0
144                 RC0|(0xa<<3)|0, RC0|(0xa<<3)|2, RC0|(0xa<<3)|4, RC0|(0xa<<3)|6,
145                 RC0|(0xa<<3)|1, RC0|(0xa<<3)|3, RC0|(0xa<<3)|5, RC0|(0xa<<3)|7,
146                 // node 1
147                 RC1|(0xa<<3)|0, RC1|(0xa<<3)|2, RC1|(0xa<<3)|4, RC1|(0xa<<3)|6,
148                 RC1|(0xa<<3)|1, RC1|(0xa<<3)|3, RC1|(0xa<<3)|5, RC1|(0xa<<3)|7,
149         };
150
151         unsigned bsp_apicid = 0;
152         int needs_reset;
153         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
154                 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
155
156         if (!cpu_init_detectedx && boot_cpu()) {
157                 /* Nothing special needs to be done to find bus 0 */
158                 /* Allow the HT devices to be found */
159
160                 enumerate_ht_chain();
161
162                 sio_setup();
163
164                 /* Setup the mcp55 */
165                 mcp55_enable_rom();
166         }
167
168         if (bist == 0) {
169                //init_cpus(cpu_init_detectedx);
170                bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
171         }
172
173         w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
174         uart_init();
175         console_init();
176
177         /* Halt if there was a built in self test failure */
178         report_bist_failure(bist);
179
180         setup_ms9282_resource_map();
181
182         setup_coherent_ht_domain();
183
184         wait_all_core0_started();
185
186 #if CONFIG_LOGICAL_CPUS==1
187         // It is said that we should start core1 after all core0 launched
188         start_other_cores();
189         //wait_all_other_cores_started(bsp_apicid);
190 #endif
191         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
192
193         init_timer(); /* Need to use TMICT to synconize FID/VID. */
194
195         needs_reset = optimize_link_coherent_ht();
196         needs_reset |= optimize_link_incoherent_ht(sysinfo);
197         needs_reset |= mcp55_early_setup_x();
198
199         if (needs_reset) {
200                 print_info("ht reset -\n");
201                 soft_reset();
202         }
203
204         //It's the time to set ctrl now;
205         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
206
207        enable_smbus();
208
209 #if 0
210         int i;
211         for(i=4;i<8;i++) {
212                 change_i2c_mux(i);
213                 dump_smbus_registers();
214         }
215 #endif
216
217        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
218
219        post_cache_as_ram();
220 }
221