Drop referenced-yet-does-nothing static function from ms7135 romstage.
[coreboot.git] / src / mainboard / msi / ms7135 / 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  * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
7  * (Thanks to LSRA University of Mannheim for their support)
8  * Copyright (C) 2008 Jonathan A. Kollasch <jakllsch@kollasch.net>
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 SERIAL_DEV PNP_DEV(0x4e, W83627THF_SP1)
26
27 /* Used by raminit. */
28 #define QRANK_DIMM_SUPPORT 1
29
30 #if CONFIG_LOGICAL_CPUS == 1
31 #define SET_NB_CFG_54 1
32 #endif
33
34 #include <stdint.h>
35 #include <string.h>
36 #include <device/pci_def.h>
37 #include <arch/io.h>
38 #include <device/pnp_def.h>
39 #include <arch/romcc_io.h>
40 #include <cpu/x86/lapic.h>
41 #include <pc80/mc146818rtc.h>
42 #include "cpu/x86/lapic/boot_cpu.c"
43 #include "northbridge/amd/amdk8/reset_test.c"
44 #include "superio/winbond/w83627thf/w83627thf_early_serial.c"
45
46 #include <cpu/amd/model_fxx_rev.h>
47 #include <console/console.h>
48 #include "northbridge/amd/amdk8/incoherent_ht.c"
49 #include "southbridge/nvidia/ck804/ck804_early_smbus.h"
50 #include "northbridge/amd/amdk8/raminit.h"
51 #include "cpu/amd/model_fxx/apic_timer.c"
52 #include "lib/delay.c"
53 #include "northbridge/amd/amdk8/debug.c"
54 #include "cpu/x86/mtrr/earlymtrr.c"
55 #include "cpu/x86/bist.h"
56 #include "northbridge/amd/amdk8/setup_resource_map.c"
57 #include "northbridge/amd/amdk8/coherent_ht.c"
58 #include "cpu/amd/dualcore/dualcore.c"
59
60 static void memreset(int controllers, const struct mem_controller *ctrl)
61 {
62         /* FIXME: Nothing to do? */
63 }
64
65 static inline void activate_spd_rom(const struct mem_controller *ctrl)
66 {
67         /* FIXME: Nothing to do? */
68 }
69
70 static inline int spd_read_byte(unsigned device, unsigned address)
71 {
72         return smbus_read_byte(device, address);
73 }
74
75 #include "northbridge/amd/amdk8/raminit.c"
76 #include "lib/generic_sdram.c"
77 #include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
78 #include "southbridge/nvidia/ck804/ck804_early_setup_car.c"
79
80 #include "cpu/amd/car/post_cache_as_ram.c"
81 #include "cpu/amd/model_fxx/init_cpus.c"
82
83 #include "northbridge/amd/amdk8/early_ht.c"
84
85 static void sio_setup(void)
86 {
87         uint32_t dword;
88         uint8_t byte;
89
90         /* Subject decoding */
91         byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0x7b);
92         byte |= 0x20;
93         pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0x7b, byte);
94
95         /* LPC Positive Decode 0 */
96         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0xa0);
97         /* Serial 0, Serial 1 */
98         dword |= (1 << 0) | (1 << 1);
99         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0xa0, dword);
100 }
101
102 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
103 {
104         static const uint16_t spd_addr[] = {
105                 (0xa << 3) | 0, (0xa << 3) | 1, 0, 0,
106                 0, 0, 0, 0,
107                 0, 0, 0, 0,
108                 0, 0, 0, 0,
109         };
110
111         int needs_reset;
112         unsigned bsp_apicid = 0;
113
114         struct mem_controller ctrl[8];
115         unsigned nodes;
116
117         if (!cpu_init_detectedx && boot_cpu()) {
118                 /* Nothing special needs to be done to find bus 0 */
119                 /* Allow the HT devices to be found */
120                 enumerate_ht_chain();
121
122                 sio_setup();
123         }
124
125         if (bist == 0) {
126                 bsp_apicid = init_cpus(cpu_init_detectedx);
127         }
128
129         w83627thf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
130         uart_init();
131         console_init();
132
133         /* Halt if there was a built in self test failure */
134         report_bist_failure(bist);
135
136 #if 0
137         dump_pci_device(PCI_DEV(0, 0x18, 0));
138 #endif
139
140         needs_reset = setup_coherent_ht_domain();
141
142         wait_all_core0_started();
143 #if CONFIG_LOGICAL_CPUS==1
144         // It is said that we should start core1 after all core0 launched
145         start_other_cores();
146         wait_all_other_cores_started(bsp_apicid);
147 #endif
148
149         needs_reset |= ht_setup_chains_x();
150
151         needs_reset |= ck804_early_setup_x();
152
153         if (needs_reset) {
154                 print_info("ht reset -\n");
155                 soft_reset();
156         }
157
158         allow_all_aps_stop(bsp_apicid);
159
160         nodes = get_nodes();
161         //It's the time to set ctrl now;
162         fill_mem_ctrl(nodes, ctrl, spd_addr);
163
164         enable_smbus();
165
166 #if 0
167         dump_spd_registers(&ctrl[0]);
168         dump_smbus_registers();
169 #endif
170
171         sdram_initialize(nodes, ctrl);
172
173 #if 0
174         print_pci_devices();
175         dump_pci_devices();
176 #endif
177
178         post_cache_as_ram();
179 }
180