a6e4f8e2cc31022b0e76b967725a62e6753028c6
[coreboot.git] / src / mainboard / tyan / s2885 / romstage.c
1  
2 #include <stdint.h>
3 #include <string.h>
4 #include <device/pci_def.h>
5 #include <arch/io.h>
6 #include <device/pnp_def.h>
7 #include <arch/romcc_io.h>
8 #include <cpu/x86/lapic.h>
9 #include "option_table.h"
10 #include "pc80/mc146818rtc_early.c"
11 #include "pc80/serial.c"
12 #include "arch/i386/lib/console.c"
13 #include "lib/ramtest.c"
14
15 #if 0
16 static void post_code(uint8_t value) {
17 #if 1
18         int i;
19         for(i=0;i<0x80000;i++) {
20                 outb(value, 0x80);
21         }
22 #endif
23 }
24 #endif
25
26 #include <cpu/amd/model_fxx_rev.h>
27
28 #include "northbridge/amd/amdk8/incoherent_ht.c"
29 #include "southbridge/amd/amd8111/amd8111_early_smbus.c"
30 #include "northbridge/amd/amdk8/raminit.h"
31 #include "cpu/amd/model_fxx/apic_timer.c"
32 #include "lib/delay.c"
33
34 #include "cpu/x86/lapic/boot_cpu.c"
35 #include "northbridge/amd/amdk8/reset_test.c"
36 #include "northbridge/amd/amdk8/debug.c"
37 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
38
39 #include "cpu/amd/mtrr/amd_earlymtrr.c"
40 #include "cpu/x86/bist.h"
41
42 #include "northbridge/amd/amdk8/setup_resource_map.c"
43
44 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
45
46 #include "southbridge/amd/amd8111/amd8111_early_ctrl.c"
47
48 static void memreset_setup(void)
49 {
50    if (is_cpu_pre_c0()) {
51         outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16);  //REVC_MEMRST_EN=0
52    }
53    else {
54         outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16);  //REVC_MEMRST_EN=1
55    }
56         outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17);
57 }
58
59 static void memreset(int controllers, const struct mem_controller *ctrl)
60 {
61    if (is_cpu_pre_c0()) {
62         udelay(800);
63         outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1
64         udelay(90);
65    }
66 }
67
68 static inline void activate_spd_rom(const struct mem_controller *ctrl)
69 {
70         /* nothing to do */
71 }
72
73 static inline int spd_read_byte(unsigned device, unsigned address)
74 {
75         return smbus_read_byte(device, address);
76 }
77
78 #define QRANK_DIMM_SUPPORT 1
79
80 #include "northbridge/amd/amdk8/raminit.c"
81 #include "northbridge/amd/amdk8/coherent_ht.c"
82 #include "lib/generic_sdram.c"
83
84  /* tyan does not want the default */
85 #include "resourcemap.c" 
86
87 #if CONFIG_LOGICAL_CPUS==1
88 #define SET_NB_CFG_54 1
89 #endif
90 #include "cpu/amd/dualcore/dualcore.c"
91
92 #include "cpu/amd/car/copy_and_run.c"
93
94 #include "cpu/amd/car/post_cache_as_ram.c"
95
96 #include "cpu/amd/model_fxx/init_cpus.c"
97
98 #include "southbridge/amd/amd8111/amd8111_enable_rom.c"
99 #include "northbridge/amd/amdk8/early_ht.c"
100
101 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
102 {
103         static const uint16_t spd_addr [] = {
104                         (0xa<<3)|0, (0xa<<3)|2, 0, 0,
105                         (0xa<<3)|1, (0xa<<3)|3, 0, 0,
106 #if CONFIG_MAX_PHYSICAL_CPUS > 1
107                         (0xa<<3)|4, (0xa<<3)|6, 0, 0,
108                         (0xa<<3)|5, (0xa<<3)|7, 0, 0,
109 #endif
110         };
111
112         int needs_reset;
113         unsigned bsp_apicid = 0;
114
115         struct mem_controller ctrl[8];
116         unsigned nodes;
117
118         if (!cpu_init_detectedx && boot_cpu()) {
119                 /* Nothing special needs to be done to find bus 0 */
120                 /* Allow the HT devices to be found */
121
122                 enumerate_ht_chain();
123
124                 /* Setup the amd8111 */
125                 amd8111_enable_rom();
126         }
127
128         if (bist == 0) {
129                 bsp_apicid = init_cpus(cpu_init_detectedx);
130         }
131
132 //      post_code(0x32);
133         
134         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
135         uart_init();
136         console_init();
137
138 //      dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
139         
140         /* Halt if there was a built in self test failure */
141         report_bist_failure(bist);
142
143         setup_s2885_resource_map();
144 #if 0
145         dump_pci_device(PCI_DEV(0, 0x18, 0));
146         dump_pci_device(PCI_DEV(0, 0x19, 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
160         if (needs_reset) {
161                 print_info("ht reset -\r\n");
162                 soft_reset();
163         }
164
165         allow_all_aps_stop(bsp_apicid);
166
167         nodes = get_nodes();
168         //It's the time to set ctrl now;
169         fill_mem_ctrl(nodes, ctrl, spd_addr);
170
171         enable_smbus();
172
173         memreset_setup();
174         sdram_initialize(nodes, ctrl);
175
176 #if 0
177         dump_pci_devices();
178 #endif
179
180         post_cache_as_ram();
181
182 }
183