try to unify timing initialization across those boards that need it...
[coreboot.git] / src / mainboard / asus / a8n_e / 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  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
22  */
23
24 /* Used by it8712f_enable_serial(). */
25 #define SERIAL_DEV PNP_DEV(0x2e, IT8712F_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 "option_table.h"
42 #include "pc80/mc146818rtc_early.c"
43 #include "cpu/x86/lapic/boot_cpu.c"
44 #include "northbridge/amd/amdk8/reset_test.c"
45 #include "superio/ite/it8712f/it8712f_early_serial.c"
46
47 /* Used by ck894_early_setup(). */
48 #define CK804_NUM 1
49
50 #include <cpu/amd/model_fxx_rev.h>
51 #include "pc80/serial.c"
52 #include "console/console.c"
53 #include "lib/ramtest.c"
54 #include "northbridge/amd/amdk8/incoherent_ht.c"
55 #include "southbridge/nvidia/ck804/ck804_early_smbus.c"
56 #include "northbridge/amd/amdk8/raminit.h"
57 #include "cpu/amd/model_fxx/apic_timer.c"
58 #include "lib/delay.c"
59 #include "northbridge/amd/amdk8/debug.c"
60 #include "cpu/x86/mtrr/earlymtrr.c"
61 #include "cpu/x86/bist.h"
62 #include "northbridge/amd/amdk8/setup_resource_map.c"
63 #include "northbridge/amd/amdk8/coherent_ht.c"
64 #include "cpu/amd/dualcore/dualcore.c"
65
66 static void memreset(int controllers, const struct mem_controller *ctrl)
67 {
68         /* Nothing to do. */
69 }
70
71 static inline void activate_spd_rom(const struct mem_controller *ctrl)
72 {
73         /* Nothing to do. */
74 }
75
76 static inline int spd_read_byte(unsigned device, unsigned address)
77 {
78         return smbus_read_byte(device, address);
79 }
80
81 #include "northbridge/amd/amdk8/raminit.c"
82 #include "lib/generic_sdram.c"
83 #include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
84 #include "southbridge/nvidia/ck804/ck804_early_setup.c"
85
86 #include "cpu/amd/car/post_cache_as_ram.c"
87 #include "cpu/amd/model_fxx/init_cpus.c"
88
89 #include "southbridge/nvidia/ck804/ck804_enable_rom.c"
90 #include "northbridge/amd/amdk8/early_ht.c"
91
92 static void sio_setup(void)
93 {
94         uint32_t dword;
95         uint8_t byte;
96
97         /* Subject decoding */
98         byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0x7b);
99         byte |= 0x20;
100         pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0x7b, byte);
101
102         /* LPC Positive Decode 0 */
103         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0xa0);
104         dword |= (1 << 0) | (1 << 1);   /* Serial 0, Serial 1 */
105         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0xa0, dword);
106 }
107
108 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
109 {
110         static const uint16_t spd_addr[] = {
111                 (0xa << 3) | 0, (0xa << 3) | 2, 0, 0,
112                 (0xa << 3) | 1, (0xa << 3) | 3, 0, 0,
113 #if CONFIG_MAX_PHYSICAL_CPUS > 1
114                 (0xa << 3) | 4, (0xa << 3) | 6, 0, 0,
115                 (0xa << 3) | 5, (0xa << 3) | 7, 0, 0,
116 #endif
117         };
118
119         int needs_reset;
120         unsigned nodes, bsp_apicid = 0;
121         struct mem_controller ctrl[8];
122
123         if (!cpu_init_detectedx && boot_cpu()) {
124                 /* Nothing special needs to be done to find bus 0 */
125                 /* Allow the HT devices to be found */
126                 enumerate_ht_chain();
127
128                 sio_setup();
129
130                 /* Setup the ck804 */
131                 ck804_enable_rom();
132         }
133
134         if (bist == 0)
135                 bsp_apicid = init_cpus(cpu_init_detectedx);
136
137         it8712f_24mhz_clkin();
138         it8712f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
139         uart_init();
140         console_init();
141
142         /* Halt if there was a built in self test failure */
143         report_bist_failure(bist);
144
145 #if 0
146         dump_pci_device(PCI_DEV(0, 0x18, 0));
147 #endif
148
149         needs_reset = setup_coherent_ht_domain();
150
151         wait_all_core0_started();
152 #if CONFIG_LOGICAL_CPUS==1
153         /* It is said that we should start core1 after all core0 launched. */
154         start_other_cores();
155         wait_all_other_cores_started(bsp_apicid);
156 #endif
157
158         needs_reset |= ht_setup_chains_x();
159         needs_reset |= ck804_early_setup_x();
160
161         if (needs_reset) {
162                 print_info("ht reset -\n");
163                 soft_reset();
164         }
165
166         allow_all_aps_stop(bsp_apicid);
167
168         nodes = get_nodes();
169         /* It's the time to set ctrl now. */
170         fill_mem_ctrl(nodes, ctrl, spd_addr);
171
172         enable_smbus();
173
174 #if 0
175         dump_spd_registers(&ctrl[0]);
176         dump_smbus_registers();
177 #endif
178
179         sdram_initialize(nodes, ctrl);
180
181 #if 0
182         print_pci_devices();
183         dump_pci_devices();
184 #endif
185
186         post_cache_as_ram();
187 }
188