drop quite a lot of dead code that did nothing but produce warnings and make
[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 "cpu/x86/lapic/boot_cpu.c"
61 #include "northbridge/amd/amdk8/reset_test.c"
62 #include "northbridge/amd/amdk8/debug.c"
63 #include "northbridge/amd/amdk8/early_ht.c"
64 #include "superio/ite/it8712f/it8712f_early_serial.c"
65 #include "southbridge/via/vt8237r/vt8237r_early_smbus.c"
66 #include "cpu/x86/mtrr/earlymtrr.c"
67 #include "cpu/x86/bist.h"
68 #include "northbridge/amd/amdk8/setup_resource_map.c"
69
70 #define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1)
71 #define WATCHDOG_DEV PNP_DEV(0x2e, IT8712F_GPIO)
72
73 static void memreset_setup(void)
74 {
75 }
76
77 static void memreset(int controllers, const struct mem_controller *ctrl)
78 {
79 }
80
81 static inline int spd_read_byte(unsigned device, unsigned address)
82 {
83         return smbus_read_byte(device, address);
84 }
85
86 void activate_spd_rom(const struct mem_controller *ctrl)
87 {
88 }
89
90 #define K8_4RANK_DIMM_SUPPORT 1
91
92 #include "southbridge/via/k8t890/k8t890_early_car.c"
93 #include "northbridge/amd/amdk8/amdk8.h"
94 #include "northbridge/amd/amdk8/raminit_f.c"
95 #include "northbridge/amd/amdk8/coherent_ht.c"
96 #include "northbridge/amd/amdk8/incoherent_ht.c"
97 #include "lib/generic_sdram.c"
98 #include "cpu/amd/dualcore/dualcore.c"
99
100 #include "cpu/amd/car/post_cache_as_ram.c"
101 #include "cpu/amd/model_fxx/init_cpus.c"
102
103 #define SB_VFSMAF 0
104
105 /* this function might fail on some K8 CPUs with errata #181 */
106 static void ldtstop_sb(void)
107 {
108         print_debug("toggle LDTSTP#\n");
109         u8 reg = inb (VT8237R_ACPI_IO_BASE + 0x5c);
110         reg = reg ^ (1 << 0);
111         outb(reg, VT8237R_ACPI_IO_BASE + 0x5c);
112         reg = inb(VT8237R_ACPI_IO_BASE + 0x15);
113         print_debug("done\n");
114 }
115
116 #include "cpu/amd/model_fxx/fidvid.c"
117 #include "northbridge/amd/amdk8/resourcemap.c"
118
119 void soft_reset(void)
120 {
121         uint8_t tmp;
122
123         set_bios_reset();
124         print_debug("soft reset \n");
125
126         /* PCI reset */
127         tmp = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x4f);
128         tmp |= 0x01;
129         /* FIXME from S3 set bit1 to disable USB reset VT8237A/S */
130         pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp);
131
132         while (1) {
133                 /* daisy daisy ... */
134                 hlt();
135         }
136 }
137
138 unsigned int get_sbdn(unsigned bus)
139 {
140         device_t dev;
141
142         dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
143                                         PCI_DEVICE_ID_VIA_VT8237R_LPC), bus);
144         return (dev >> 15) & 0x1f;
145 }
146
147 void sio_init(void)
148 {
149
150 }
151
152 void real_main(unsigned long bist, unsigned long cpu_init_detectedx);
153
154 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
155 {
156         real_main(bist, cpu_init_detectedx);
157 }
158
159 void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
160 {
161         static const uint16_t spd_addr[] = {
162                 (0xa << 3) | 0, (0xa << 3) | 2, 0, 0,
163                 (0xa << 3) | 1, (0xa << 3) | 3, 0, 0,
164 #if CONFIG_MAX_PHYSICAL_CPUS > 1
165                 (0xa << 3) | 4, (0xa << 3) | 6, 0, 0,
166                 (0xa << 3) | 5, (0xa << 3) | 7, 0, 0,
167 #endif
168         };
169         unsigned bsp_apicid = 0;
170         int needs_reset = 0;
171         struct sys_info *sysinfo =
172             (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
173
174         sio_init();
175         it8712f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
176         it8712f_kill_watchdog();
177         it8712f_enable_3vsbsw();
178         uart_init();
179         console_init();
180         enable_rom_decode();
181
182         print_info("now booting... real_main\n");
183
184         if (bist == 0)
185                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
186
187         /* Halt if there was a built in self test failure. */
188         report_bist_failure(bist);
189         setup_default_resource_map();
190         setup_coherent_ht_domain();
191         wait_all_core0_started();
192
193         print_info("now booting... Core0 started\n");
194
195 #if CONFIG_LOGICAL_CPUS==1
196         /* It is said that we should start core1 after all core0 launched. */
197         start_other_cores();
198         wait_all_other_cores_started(bsp_apicid);
199 #endif
200         init_timer();
201         ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */
202
203         needs_reset = optimize_link_coherent_ht();
204         print_debug_hex8(needs_reset);
205         needs_reset |= optimize_link_incoherent_ht(sysinfo);
206         print_debug_hex8(needs_reset);
207         needs_reset |= k8t890_early_setup_ht();
208         print_debug_hex8(needs_reset);
209
210         vt8237_early_network_init(NULL);
211         vt8237_early_spi_init();
212
213         if (needs_reset) {
214                 print_debug_hex8(needs_reset);
215
216                 print_debug("Xht reset -\n");
217                 soft_reset();
218                 print_debug("NO reset\n");
219
220         }
221
222         /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */
223         /* allow LDT STOP asserts */
224         vt8237_sb_enable_fid_vid();
225
226         enable_fid_change();
227         print_debug("after enable_fid_change\n");
228
229         init_fidvid_bsp(bsp_apicid);
230
231         /* Stop the APs so we can start them later in init. */
232         allow_all_aps_stop(bsp_apicid);
233
234         /* It's the time to set ctrl now. */
235         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
236         enable_smbus();
237         memreset_setup();
238         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
239         post_cache_as_ram();
240 }
241