drop quite a lot of dead code that did nothing but produce warnings and make
[coreboot.git] / src / mainboard / tyan / s2891 / romstage.c
1 //used by raminit
2 #define QRANK_DIMM_SUPPORT 1
3
4 #if CONFIG_LOGICAL_CPUS==1
5 #define SET_NB_CFG_54 1
6 #endif
7
8 #include <stdint.h>
9 #include <string.h>
10 #include <device/pci_def.h>
11 #include <arch/io.h>
12 #include <device/pnp_def.h>
13 #include <arch/romcc_io.h>
14 #include <cpu/x86/lapic.h>
15 #include "option_table.h"
16 #include "pc80/mc146818rtc_early.c"
17 #include "pc80/serial.c"
18 #include "console/console.c"
19 #include "lib/ramtest.c"
20
21 #include <cpu/amd/model_fxx_rev.h>
22
23 #include "northbridge/amd/amdk8/incoherent_ht.c"
24 #include "southbridge/nvidia/ck804/ck804_early_smbus.c"
25 #include "northbridge/amd/amdk8/raminit.h"
26 #include "cpu/amd/model_fxx/apic_timer.c"
27 #include "lib/delay.c"
28 #include "cpu/x86/lapic/boot_cpu.c"
29 #include "northbridge/amd/amdk8/reset_test.c"
30 #include "northbridge/amd/amdk8/debug.c"
31 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
32
33 #include "cpu/x86/mtrr/earlymtrr.c"
34 #include "cpu/x86/bist.h"
35
36 #include "northbridge/amd/amdk8/setup_resource_map.c"
37
38 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
39
40 static void memreset_setup(void)
41 {
42 }
43
44 static void memreset(int controllers, const struct mem_controller *ctrl)
45 {
46 }
47
48 static inline void activate_spd_rom(const struct mem_controller *ctrl)
49 {
50         /* nothing to do */
51 }
52
53 static inline int spd_read_byte(unsigned device, unsigned address)
54 {
55         return smbus_read_byte(device, address);
56 }
57
58 #include "northbridge/amd/amdk8/raminit.c"
59 #include "northbridge/amd/amdk8/coherent_ht.c"
60 #include "lib/generic_sdram.c"
61
62  /* tyan does not want the default */
63 #include "resourcemap.c"
64
65 #include "cpu/amd/dualcore/dualcore.c"
66
67 #define CK804_NUM 1
68 #include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
69 #include "southbridge/nvidia/ck804/ck804_early_setup.c"
70
71
72
73 #include "cpu/amd/car/post_cache_as_ram.c"
74
75 #include "cpu/amd/model_fxx/init_cpus.c"
76
77 #include "southbridge/nvidia/ck804/ck804_enable_rom.c"
78 #include "northbridge/amd/amdk8/early_ht.c"
79
80 static void sio_setup(void)
81 {
82         uint32_t dword;
83         uint8_t byte;
84
85         /* subject decoding*/
86         byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b);
87         byte |= 0x20;
88         pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte);
89
90         /* LPC Positive Decode 0 */
91         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0);
92         /* Serial 0, Serial 1 */
93         dword |= (1<<0) | (1<<1);
94         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword);
95
96 #if 1
97         /* s2891 has onboard LPC port 80 */
98         /*Hope I can enable port 80 here
99         It will decode port 80 to LPC, If you are using PCI post code you can not do this */
100         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa4);
101         dword |= (1<<16);
102         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa4, dword);
103 #endif
104 }
105
106 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
107 {
108         static const uint16_t spd_addr [] = {
109                 (0xa<<3)|0, (0xa<<3)|2, 0, 0,
110                 (0xa<<3)|1, (0xa<<3)|3, 0, 0,
111 #if CONFIG_MAX_PHYSICAL_CPUS > 1
112                 (0xa<<3)|4, (0xa<<3)|6, 0, 0,
113                 (0xa<<3)|5, (0xa<<3)|7, 0, 0,
114 #endif
115         };
116
117         int needs_reset;
118         unsigned bsp_apicid = 0;
119
120         struct mem_controller ctrl[8];
121         unsigned nodes;
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
127                 enumerate_ht_chain();
128
129                 sio_setup();
130
131                 /* Setup the ck804 */
132                 ck804_enable_rom();
133         }
134
135         if (bist == 0) {
136                 bsp_apicid = init_cpus(cpu_init_detectedx);
137         }
138
139 //      post_code(0x32);
140
141         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
142         uart_init();
143         console_init();
144
145         /* Halt if there was a built in self test failure */
146         report_bist_failure(bist);
147
148         setup_s2891_resource_map();
149 #if 0
150         dump_pci_device(PCI_DEV(0, 0x18, 0));
151         dump_pci_device(PCI_DEV(0, 0x19, 0));
152 #endif
153
154         needs_reset = setup_coherent_ht_domain();
155
156         wait_all_core0_started();
157 #if CONFIG_LOGICAL_CPUS==1
158         // It is said that we should start core1 after all core0 launched
159         start_other_cores();
160         wait_all_other_cores_started(bsp_apicid);
161 #endif
162
163         needs_reset |= ht_setup_chains_x();
164
165         needs_reset |= ck804_early_setup_x();
166
167         if (needs_reset) {
168                 printk(BIOS_INFO, "ht reset -\n");
169                 soft_reset();
170         }
171
172         allow_all_aps_stop(bsp_apicid);
173
174         nodes = get_nodes();
175         //It's the time to set ctrl now;
176         fill_mem_ctrl(nodes, ctrl, spd_addr);
177
178         enable_smbus();
179 #if 0
180         dump_spd_registers(&cpu[0]);
181 #endif
182 #if 0
183         dump_smbus_registers();
184 #endif
185
186         memreset_setup();
187         sdram_initialize(nodes, ctrl);
188
189 #if 0
190         print_pci_devices();
191 #endif
192
193 #if 0
194         dump_pci_devices();
195 #endif
196
197         post_cache_as_ram();
198 }
199