Since some people disapprove of white space cleanups mixed in regular commits
[coreboot.git] / src / mainboard / gigabyte / m57sli / 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 #define RAMINIT_SYSINFO 1
23
24 #define K8_ALLOCATE_IO_RANGE 1
25
26 #define QRANK_DIMM_SUPPORT 1
27
28 #if CONFIG_LOGICAL_CPUS==1
29 #define SET_NB_CFG_54 1
30 #endif
31
32 //used by init_cpus and fidvid
33 #define SET_FIDVID 1
34 //if we want to wait for core1 done before DQS training, set it to 0
35 #define SET_FIDVID_CORE0_ONLY 1
36
37 #if CONFIG_K8_REV_F_SUPPORT == 1
38 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
39 #endif
40
41 #define DBGP_DEFAULT 7
42
43 #include <stdint.h>
44 #include <string.h>
45 #include <device/pci_def.h>
46 #include <device/pci_ids.h>
47 #include <arch/io.h>
48 #include <device/pnp_def.h>
49 #include <arch/romcc_io.h>
50 #include <cpu/x86/lapic.h>
51 #include "option_table.h"
52 #include "pc80/mc146818rtc_early.c"
53
54 #include "pc80/serial.c"
55 #include "console/console.c"
56 #if CONFIG_USBDEBUG_DIRECT
57 #include "southbridge/nvidia/mcp55/mcp55_enable_usbdebug_direct.c"
58 #include "pc80/usbdebug_direct_serial.c"
59 #endif
60 #include "lib/ramtest.c"
61
62 #include <cpu/amd/model_fxx_rev.h>
63
64 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
65 #include "northbridge/amd/amdk8/raminit.h"
66 #include "cpu/amd/model_fxx/apic_timer.c"
67 #include "lib/delay.c"
68
69 #include "cpu/x86/lapic/boot_cpu.c"
70 #include "northbridge/amd/amdk8/reset_test.c"
71 #include "superio/ite/it8716f/it8716f_early_serial.c"
72 #include "superio/ite/it8716f/it8716f_early_init.c"
73
74 #include "cpu/x86/bist.h"
75
76 #include "northbridge/amd/amdk8/debug.c"
77
78 #include "cpu/x86/mtrr/earlymtrr.c"
79
80 #include "northbridge/amd/amdk8/setup_resource_map.c"
81
82 #define SERIAL_DEV PNP_DEV(0x2e, IT8716F_SP1)
83 #define GPIO_DEV PNP_DEV(0x2e, IT8716F_GPIO)
84
85 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
86
87 static void memreset(int controllers, const struct mem_controller *ctrl)
88 {
89 }
90
91 static inline void activate_spd_rom(const struct mem_controller *ctrl)
92 {
93         /* nothing to do */
94 }
95
96 static inline int spd_read_byte(unsigned device, unsigned address)
97 {
98         return smbus_read_byte(device, address);
99 }
100
101 #define MCP55_NUM 1
102 #define MCP55_USE_NIC 1
103 #define MCP55_USE_AZA 1
104
105 #define MCP55_PCI_E_X_0 0
106
107 #define MCP55_MB_SETUP \
108         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x68,/* GPIO38 PCI_REQ3 */ \
109         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x68,/* GPIO39 PCI_GNT3 */ \
110         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x68,/* GPIO40 PCI_GNT2 */ \
111         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x68,/* GPIO41 PCI_REQ2 */ \
112         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
113         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
114
115 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
116 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
117
118
119
120 #include "northbridge/amd/amdk8/amdk8_f.h"
121 #include "northbridge/amd/amdk8/incoherent_ht.c"
122 #include "northbridge/amd/amdk8/coherent_ht.c"
123 #include "northbridge/amd/amdk8/raminit_f.c"
124 #include "lib/generic_sdram.c"
125
126 #include "resourcemap.c"
127
128 #include "cpu/amd/dualcore/dualcore.c"
129
130 #include "cpu/amd/car/post_cache_as_ram.c"
131
132 #include "cpu/amd/model_fxx/init_cpus.c"
133
134 #include "cpu/amd/model_fxx/fidvid.c"
135
136 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
137 #include "northbridge/amd/amdk8/early_ht.c"
138
139 static void sio_setup(void)
140 {
141         uint32_t dword;
142         uint8_t byte;
143
144         byte = pci_read_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
145         byte |= 0x20;
146         pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
147
148         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
149         dword |= (1<<0);
150         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
151
152         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4);
153         dword |= (1<<16);
154         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa4, dword);
155 }
156
157 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
158 {
159         static const uint16_t spd_addr [] = {
160                         // Node 0
161                         (0xa<<3)|0, (0xa<<3)|2, 0, 0,
162                         (0xa<<3)|1, (0xa<<3)|3, 0, 0,
163                         // Node 1
164                         (0xa<<3)|4, (0xa<<3)|6, 0, 0,
165                         (0xa<<3)|5, (0xa<<3)|7, 0, 0,
166         };
167
168         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
169                 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
170
171         int needs_reset = 0;
172         unsigned bsp_apicid = 0;
173         uint8_t tmp = 0;
174
175         if (!cpu_init_detectedx && boot_cpu()) {
176                 /* Nothing special needs to be done to find bus 0 */
177                 /* Allow the HT devices to be found */
178
179                 enumerate_ht_chain();
180
181                 sio_setup();
182
183                 /* Setup the mcp55 */
184                 mcp55_enable_rom();
185         }
186
187         if (bist == 0) {
188                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
189         }
190
191         pnp_enter_ext_func_mode(SERIAL_DEV);
192         /* The following line will set CLKIN to 24 MHz, external */
193         pnp_write_config(SERIAL_DEV, IT8716F_CONFIG_REG_CLOCKSEL, 0x11);
194         tmp = pnp_read_config(SERIAL_DEV, IT8716F_CONFIG_REG_SWSUSP);
195         /* Is serial flash enabled? Then enable writing to serial flash. */
196         if (tmp & 0x0e) {
197                 pnp_write_config(SERIAL_DEV, IT8716F_CONFIG_REG_SWSUSP, tmp | 0x10);
198                 pnp_set_logical_device(GPIO_DEV);
199                 /* Set Serial Flash interface to 0x0820 */
200                 pnp_write_config(GPIO_DEV, 0x64, 0x08);
201                 pnp_write_config(GPIO_DEV, 0x65, 0x20);
202                 /* We can get away with not resetting the logical device because
203                  * it8716f_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE) will do that.
204                  */
205         }
206         it8716f_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
207         pnp_exit_ext_func_mode(SERIAL_DEV);
208
209         setup_mb_resource_map();
210
211         uart_init();
212
213         /* Halt if there was a built in self test failure */
214         report_bist_failure(bist);
215
216 #if CONFIG_USBDEBUG_DIRECT
217         mcp55_enable_usbdebug_direct(DBGP_DEFAULT);
218         early_usbdebug_direct_init();
219 #endif
220         console_init();
221         printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
222
223         print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
224
225 #if CONFIG_MEM_TRAIN_SEQ == 1
226         set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
227 #endif
228         setup_coherent_ht_domain(); // routing table and start other core0
229
230         wait_all_core0_started();
231 #if CONFIG_LOGICAL_CPUS==1
232         // It is said that we should start core1 after all core0 launched
233         /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
234          * So here need to make sure last core0 is started, esp for two way system,
235          * (there may be apic id conflicts in that case)
236          */
237         start_other_cores();
238         wait_all_other_cores_started(bsp_apicid);
239 #endif
240
241         /* it will set up chains and store link pair for optimization later */
242         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
243
244 #if SET_FIDVID == 1
245
246         {
247                 msr_t msr;
248                 msr=rdmsr(0xc0010042);
249                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
250
251         }
252
253         enable_fid_change();
254
255         enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
256
257         init_fidvid_bsp(bsp_apicid);
258
259         // show final fid and vid
260         {
261                 msr_t msr;
262                 msr=rdmsr(0xc0010042);
263                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
264
265         }
266 #endif
267
268         init_timer(); // Need to use TMICT to synconize FID/VID
269
270         needs_reset |= optimize_link_coherent_ht();
271         needs_reset |= optimize_link_incoherent_ht(sysinfo);
272         needs_reset |= mcp55_early_setup_x();
273
274         // fidvid change will issue one LDTSTOP and the HT change will be effective too
275         if (needs_reset) {
276                 print_info("ht reset -\n");
277                 soft_reset();
278         }
279         allow_all_aps_stop(bsp_apicid);
280
281         //It's the time to set ctrl in sysinfo now;
282         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
283
284         enable_smbus();
285
286         /* all ap stopped? */
287
288         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
289
290         post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
291
292 }
293