Since some people disapprove of white space cleanups mixed in regular commits
[coreboot.git] / src / mainboard / asus / m2v-mx_se / 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  * Copyright (C) 2006 MSI
7  * (Written by Bingxun Shi <bingxunshi@gmail.com> for MSI)
8  * Copyright (C) 2008 Rudolf Marek <r.marek@assembler.cz>
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 RAMINIT_SYSINFO 1
26
27 #define CACHE_AS_RAM_ADDRESS_DEBUG 0
28
29 unsigned int get_sbdn(unsigned bus);
30
31 /* Used by raminit. */
32 #define QRANK_DIMM_SUPPORT 1
33
34 /* Used by init_cpus and fidvid */
35 #define SET_FIDVID 1
36
37 /* If we want to wait for core1 done before DQS training, set it to 0. */
38 #define SET_FIDVID_CORE0_ONLY 1
39
40 #if CONFIG_K8_REV_F_SUPPORT == 1
41 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
42 #endif
43
44 #include <stdint.h>
45 #include <string.h>
46 #include <device/pci_def.h>
47 #include <arch/io.h>
48 #include <device/pnp_def.h>
49 #include <arch/romcc_io.h>
50 #include <cpu/amd/mtrr.h>
51 #include <cpu/x86/lapic.h>
52 #include "option_table.h"
53 #include "pc80/mc146818rtc_early.c"
54 #include "pc80/serial.c"
55 #include "console/console.c"
56 #include <cpu/amd/model_fxx_rev.h>
57 #include "northbridge/amd/amdk8/raminit.h"
58 #include "cpu/amd/model_fxx/apic_timer.c"
59 #include "lib/delay.c"
60 #include "northbridge/amd/amdk8/reset_test.c"
61 #include "northbridge/amd/amdk8/debug.c"
62 #include "northbridge/amd/amdk8/early_ht.c"
63 #include "superio/ite/it8712f/it8712f_early_serial.c"
64 #include "southbridge/via/vt8237r/vt8237r_early_smbus.c"
65 #include "cpu/x86/mtrr/earlymtrr.c"
66 #include "cpu/x86/bist.h"
67 #include "northbridge/amd/amdk8/setup_resource_map.c"
68
69 #define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1)
70 #define WATCHDOG_DEV PNP_DEV(0x2e, IT8712F_GPIO)
71
72 static void memreset(int controllers, const struct mem_controller *ctrl)
73 {
74 }
75
76 static inline int spd_read_byte(unsigned device, unsigned address)
77 {
78         return smbus_read_byte(device, address);
79 }
80
81 static void activate_spd_rom(const struct mem_controller *ctrl)
82 {
83 }
84
85 // defines S3_NVRAM_EARLY:
86 #include "southbridge/via/k8t890/k8t890_early_car.c"
87
88 #define K8_4RANK_DIMM_SUPPORT 1
89
90 #include "northbridge/amd/amdk8/amdk8.h"
91 #include "northbridge/amd/amdk8/incoherent_ht.c"
92 #include "northbridge/amd/amdk8/coherent_ht.c"
93 #include "northbridge/amd/amdk8/raminit_f.c"
94 #include "lib/generic_sdram.c"
95
96 #include "cpu/amd/dualcore/dualcore.c"
97
98 #include "cpu/amd/car/post_cache_as_ram.c"
99 #include "cpu/amd/model_fxx/init_cpus.c"
100
101 #define SB_VFSMAF 0
102
103 /* this function might fail on some K8 CPUs with errata #181 */
104 static void ldtstop_sb(void)
105 {
106         print_debug("toggle LDTSTP#\n");
107         u8 reg = inb (VT8237R_ACPI_IO_BASE + 0x5c);
108         reg = reg ^ (1 << 0);
109         outb(reg, VT8237R_ACPI_IO_BASE + 0x5c);
110         reg = inb(VT8237R_ACPI_IO_BASE + 0x15);
111         print_debug("done\n");
112 }
113
114 #include "cpu/amd/model_fxx/fidvid.c"
115 #include "northbridge/amd/amdk8/resourcemap.c"
116
117 void soft_reset(void)
118 {
119         uint8_t tmp;
120
121         set_bios_reset();
122         print_debug("soft reset \n");
123
124         /* PCI reset */
125         tmp = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x4f);
126         tmp |= 0x01;
127         /* FIXME from S3 set bit1 to disable USB reset VT8237A/S */
128         pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp);
129
130         while (1) {
131                 /* daisy daisy ... */
132                 hlt();
133         }
134 }
135
136 unsigned int get_sbdn(unsigned bus)
137 {
138         device_t dev;
139
140         dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
141                                         PCI_DEVICE_ID_VIA_VT8237R_LPC), bus);
142         return (dev >> 15) & 0x1f;
143 }
144
145 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
146 {
147         static const uint16_t spd_addr[] = {
148                 // Node 0
149                 (0xa << 3) | 0, (0xa << 3) | 2, 0, 0,
150                 (0xa << 3) | 1, (0xa << 3) | 3, 0, 0,
151                 // Node 1
152                 (0xa << 3) | 4, (0xa << 3) | 6, 0, 0,
153                 (0xa << 3) | 5, (0xa << 3) | 7, 0, 0,
154         };
155         unsigned bsp_apicid = 0;
156         int needs_reset = 0;
157         struct sys_info *sysinfo =
158             (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
159
160         it8712f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
161         it8712f_kill_watchdog();
162         it8712f_enable_3vsbsw();
163         uart_init();
164         console_init();
165         enable_rom_decode();
166
167         printk(BIOS_INFO, "now booting... \n");
168
169         if (bist == 0)
170                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
171
172         /* Halt if there was a built in self test failure. */
173         report_bist_failure(bist);
174         setup_default_resource_map();
175         setup_coherent_ht_domain();
176         wait_all_core0_started();
177
178         printk(BIOS_INFO, "now booting... All core 0 started\n");
179
180 #if CONFIG_LOGICAL_CPUS==1
181         /* It is said that we should start core1 after all core0 launched. */
182         start_other_cores();
183         wait_all_other_cores_started(bsp_apicid);
184 #endif
185         init_timer();
186         ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */
187
188         needs_reset = optimize_link_coherent_ht();
189         print_debug_hex8(needs_reset);
190         needs_reset |= optimize_link_incoherent_ht(sysinfo);
191         print_debug_hex8(needs_reset);
192         needs_reset |= k8t890_early_setup_ht();
193         print_debug_hex8(needs_reset);
194
195         vt8237_early_network_init(NULL);
196         vt8237_early_spi_init();
197
198         if (needs_reset) {
199                 printk(BIOS_DEBUG, "ht reset -\n");
200                 soft_reset();
201                 printk(BIOS_DEBUG, "FAILED!\n");
202         }
203
204         /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */
205         /* allow LDT STOP asserts */
206         vt8237_sb_enable_fid_vid();
207
208         enable_fid_change();
209         print_debug("after enable_fid_change\n");
210
211         init_fidvid_bsp(bsp_apicid);
212
213         /* Stop the APs so we can start them later in init. */
214         allow_all_aps_stop(bsp_apicid);
215
216         /* It's the time to set ctrl now. */
217         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
218         enable_smbus();
219         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
220         post_cache_as_ram();
221 }
222