Drop excessive whitespace randomly sprinkled in romstage.c files.
[coreboot.git] / src / mainboard / tyan / s2912 / romstage.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2007 AMD
5  * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
20  */
21
22 #if CONFIG_K8_REV_F_SUPPORT == 1
23 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
24 #endif
25
26 #include <stdint.h>
27 #include <string.h>
28 #include <device/pci_def.h>
29 #include <device/pci_ids.h>
30 #include <arch/io.h>
31 #include <device/pnp_def.h>
32 #include <arch/romcc_io.h>
33 #include <cpu/x86/lapic.h>
34 #include <pc80/mc146818rtc.h>
35 #include <console/console.h>
36 #include <lib.h>
37 #include <spd.h>
38 #include <usbdebug.h>
39 #include <cpu/amd/model_fxx_rev.h>
40 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
41 #include "northbridge/amd/amdk8/raminit.h"
42 #include "cpu/amd/model_fxx/apic_timer.c"
43 #include "lib/delay.c"
44 #include "cpu/x86/lapic/boot_cpu.c"
45 #include "northbridge/amd/amdk8/reset_test.c"
46 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
47 #include "superio/winbond/w83627hf/w83627hf_early_init.c"
48 #include "cpu/x86/bist.h"
49 #include "northbridge/amd/amdk8/debug.c"
50 #include "cpu/x86/mtrr/earlymtrr.c"
51 #include "northbridge/amd/amdk8/setup_resource_map.c"
52 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
53
54 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
55
56 static void memreset(int controllers, const struct mem_controller *ctrl)
57 {
58 }
59
60 static inline void activate_spd_rom(const struct mem_controller *ctrl)
61 {
62         /* nothing to do */
63 }
64
65 static inline int spd_read_byte(unsigned device, unsigned address)
66 {
67         return smbus_read_byte(device, address);
68 }
69
70 #include "northbridge/amd/amdk8/amdk8_f.h"
71 #include "northbridge/amd/amdk8/incoherent_ht.c"
72 #include "northbridge/amd/amdk8/coherent_ht.c"
73 #include "northbridge/amd/amdk8/raminit_f.c"
74 #include "lib/generic_sdram.c"
75 #include "resourcemap.c"
76 #include "cpu/amd/dualcore/dualcore.c"
77
78 #define MCP55_MB_SETUP \
79         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
80         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
81         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \
82         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \
83         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
84         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
85
86 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
87 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
88 #include "cpu/amd/car/post_cache_as_ram.c"
89 #include "cpu/amd/model_fxx/init_cpus.c"
90 #include "cpu/amd/model_fxx/fidvid.c"
91 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
92 #include "northbridge/amd/amdk8/early_ht.c"
93
94 static void sio_setup(void)
95 {
96         uint32_t dword;
97         uint8_t byte;
98
99         byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
100         byte |= 0x20;
101         pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
102
103         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
104         /*serial 0 */
105         dword |= (1<<0);
106         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
107
108         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4);
109         dword |= (1<<16);
110         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4, dword);
111 }
112
113 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
114 {
115         static const uint16_t spd_addr [] = {
116                         // Node 0
117                         DIMM0, DIMM2, 0, 0,
118                         DIMM1, DIMM3, 0, 0,
119                         // Node 1
120                         DIMM4, DIMM6, 0, 0,
121                         DIMM5, DIMM7, 0, 0,
122         };
123
124         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
125                 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
126
127         int needs_reset = 0;
128         unsigned bsp_apicid = 0;
129
130         if (!cpu_init_detectedx && boot_cpu()) {
131                 /* Nothing special needs to be done to find bus 0 */
132                 /* Allow the HT devices to be found */
133
134                 enumerate_ht_chain();
135
136                 sio_setup();
137
138                 /* Setup the mcp55 */
139                 mcp55_enable_rom();
140         }
141
142         if (bist == 0) {
143                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
144         }
145
146         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
147
148         setup_mb_resource_map();
149
150         uart_init();
151
152         /* Halt if there was a built in self test failure */
153         report_bist_failure(bist);
154
155 #if CONFIG_USBDEBUG
156         mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
157         early_usbdebug_init();
158 #endif
159         console_init();
160         printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
161
162         print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
163
164 #if CONFIG_MEM_TRAIN_SEQ == 1
165         set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
166 #endif
167         setup_coherent_ht_domain(); // routing table and start other core0
168
169         wait_all_core0_started();
170 #if CONFIG_LOGICAL_CPUS==1
171         // It is said that we should start core1 after all core0 launched
172         /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
173          * So here need to make sure last core0 is started, esp for two way system,
174          * (there may be apic id conflicts in that case)
175          */
176         start_other_cores();
177         wait_all_other_cores_started(bsp_apicid);
178 #endif
179
180         /* it will set up chains and store link pair for optimization later */
181         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
182
183 #if CONFIG_SET_FIDVID
184
185         {
186                 msr_t msr;
187                 msr=rdmsr(0xc0010042);
188                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
189
190         }
191
192         enable_fid_change();
193
194         enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
195
196         init_fidvid_bsp(bsp_apicid);
197
198         // show final fid and vid
199         {
200                 msr_t msr;
201                 msr=rdmsr(0xc0010042);
202                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
203
204         }
205 #endif
206
207         init_timer(); // Need to use TMICT to synconize FID/VID
208
209         needs_reset |= optimize_link_coherent_ht();
210         needs_reset |= optimize_link_incoherent_ht(sysinfo);
211         needs_reset |= mcp55_early_setup_x();
212
213         // fidvid change will issue one LDTSTOP and the HT change will be effective too
214         if (needs_reset) {
215                 print_info("ht reset -\n");
216                 soft_reset();
217         }
218
219         allow_all_aps_stop(bsp_apicid);
220
221         //It's the time to set ctrl in sysinfo now;
222         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
223
224         enable_smbus();
225
226         /* all ap stopped? */
227
228         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
229
230         post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
231 }