228bd08b2efe9a1800e459ee64263518f5904682
[coreboot.git] / src / mainboard / tyan / s2891 / romstage.c
1 #define ASSEMBLY 1
2 #define __PRE_RAM__
3
4 //used by raminit
5 #define QRANK_DIMM_SUPPORT 1
6
7 #if CONFIG_LOGICAL_CPUS==1
8 #define SET_NB_CFG_54 1
9 #endif
10
11 #include <stdint.h>
12 #include <string.h>
13 #include <device/pci_def.h>
14 #include <arch/io.h>
15 #include <device/pnp_def.h>
16 #include <arch/romcc_io.h>
17 #include <cpu/x86/lapic.h>
18 #include "option_table.h"
19 #include "pc80/mc146818rtc_early.c"
20 #include "pc80/serial.c"
21 #include "arch/i386/lib/console.c"
22 #include "lib/ramtest.c"
23
24 #include <cpu/amd/model_fxx_rev.h>
25
26 #include "northbridge/amd/amdk8/incoherent_ht.c"
27 #include "southbridge/nvidia/ck804/ck804_early_smbus.c"
28 #include "northbridge/amd/amdk8/raminit.h"
29 #include "cpu/amd/model_fxx/apic_timer.c"
30 #include "lib/delay.c"
31 #include "cpu/x86/lapic/boot_cpu.c"
32 #include "northbridge/amd/amdk8/reset_test.c"
33 #include "northbridge/amd/amdk8/debug.c"
34 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
35
36 #include "cpu/amd/mtrr/amd_earlymtrr.c"
37 #include "cpu/x86/bist.h"
38
39 #include "northbridge/amd/amdk8/setup_resource_map.c"
40
41 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
42
43 static void memreset_setup(void)
44 {
45 }
46
47 static void memreset(int controllers, const struct mem_controller *ctrl)
48 {
49 }
50
51 static inline void activate_spd_rom(const struct mem_controller *ctrl)
52 {
53         /* nothing to do */
54 }
55
56 static inline int spd_read_byte(unsigned device, unsigned address)
57 {
58         return smbus_read_byte(device, address);
59 }
60
61 #include "northbridge/amd/amdk8/raminit.c"
62 #include "northbridge/amd/amdk8/coherent_ht.c"
63 #include "lib/generic_sdram.c"
64
65  /* tyan does not want the default */
66 #include "resourcemap.c"
67
68 #include "cpu/amd/dualcore/dualcore.c"
69
70 #define CK804_NUM 1
71 #include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
72 #include "southbridge/nvidia/ck804/ck804_early_setup.c"
73
74 #include "cpu/amd/car/copy_and_run.c"
75
76 #include "cpu/amd/car/post_cache_as_ram.c"
77
78 #include "cpu/amd/model_fxx/init_cpus.c"
79
80 #include "southbridge/nvidia/ck804/ck804_enable_rom.c"
81 #include "northbridge/amd/amdk8/early_ht.c"
82
83 static void sio_setup(void)
84 {
85
86         unsigned value;
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 #if 1
102         /* s2891 has onboard LPC port 80 */
103         /*Hope I can enable port 80 here
104         It will decode port 80 to LPC, If you are using PCI post code you can not do this */
105         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa4);
106         dword |= (1<<16);
107         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa4, dword);
108
109 #endif
110
111 }
112
113 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
114 {
115         static const uint16_t spd_addr [] = {
116                 (0xa<<3)|0, (0xa<<3)|2, 0, 0,
117                 (0xa<<3)|1, (0xa<<3)|3, 0, 0,
118 #if CONFIG_MAX_PHYSICAL_CPUS > 1
119                 (0xa<<3)|4, (0xa<<3)|6, 0, 0,
120                 (0xa<<3)|5, (0xa<<3)|7, 0, 0,
121 #endif
122         };
123
124         int needs_reset;
125         unsigned bsp_apicid = 0;
126
127         struct mem_controller ctrl[8];
128         unsigned nodes;
129
130         if (!cpu_init_detectedx && boot_cpu()) {
131                 /* Nothing special needs to be done to find bus 0 */
132                 /* Allow the HT devices to be found */
133
134                 enumerate_ht_chain();
135
136                 sio_setup();
137
138                 /* Setup the ck804 */
139                 ck804_enable_rom();
140         }
141
142         if (bist == 0) {
143                 bsp_apicid = init_cpus(cpu_init_detectedx);
144         }
145
146 //      post_code(0x32);
147
148         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
149         uart_init();
150         console_init();
151
152         /* Halt if there was a built in self test failure */
153         report_bist_failure(bist);
154
155         setup_s2891_resource_map();
156 #if 0
157         dump_pci_device(PCI_DEV(0, 0x18, 0));
158         dump_pci_device(PCI_DEV(0, 0x19, 0));
159 #endif
160
161         needs_reset = setup_coherent_ht_domain();
162
163         wait_all_core0_started();
164 #if CONFIG_LOGICAL_CPUS==1
165         // It is said that we should start core1 after all core0 launched
166         start_other_cores();
167         wait_all_other_cores_started(bsp_apicid);
168 #endif
169
170         needs_reset |= ht_setup_chains_x();
171
172         needs_reset |= ck804_early_setup_x();
173
174         if (needs_reset) {
175                 printk_info("ht reset -\r\n");
176                 soft_reset();
177         }
178
179         allow_all_aps_stop(bsp_apicid);
180
181         nodes = get_nodes();
182         //It's the time to set ctrl now;
183         fill_mem_ctrl(nodes, ctrl, spd_addr);
184
185         enable_smbus();
186 #if 0
187         dump_spd_registers(&cpu[0]);
188 #endif
189 #if 0
190         dump_smbus_registers();
191 #endif
192
193         memreset_setup();
194         sdram_initialize(nodes, ctrl);
195
196 #if 0
197         print_pci_devices();
198 #endif
199
200 #if 0
201         dump_pci_devices();
202 #endif
203
204         post_cache_as_ram();
205 }