85f365eaeed9e76e12f88a1d3657debf27e1c0b7
[coreboot.git] / src / mainboard / tyan / s2875 / 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 <stdlib.h>
10 #include <pc80/mc146818rtc.h>
11 #include <console/console.h>
12 #include "lib/ramtest.c"
13
14 #include <cpu/amd/model_fxx_rev.h>
15 #include "northbridge/amd/amdk8/incoherent_ht.c"
16 #include "southbridge/amd/amd8111/amd8111_early_smbus.c"
17 #include "northbridge/amd/amdk8/raminit.h"
18 #include "cpu/amd/model_fxx/apic_timer.c"
19 #include "lib/delay.c"
20
21 #include "cpu/x86/lapic/boot_cpu.c"
22 #include "northbridge/amd/amdk8/reset_test.c"
23 #include "northbridge/amd/amdk8/debug.c"
24 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
25
26 #include "cpu/x86/mtrr/earlymtrr.c"
27 #include "cpu/x86/bist.h"
28
29 #include "northbridge/amd/amdk8/setup_resource_map.c"
30
31 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
32
33 #include "southbridge/amd/amd8111/amd8111_early_ctrl.c"
34
35 static void memreset_setup(void)
36 {
37    if (is_cpu_pre_c0()) {
38         outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16);  //REVC_MEMRST_EN=0
39    }
40    else {
41         outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16);  //REVC_MEMRST_EN=1
42    }
43         outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17);
44 }
45
46 static void memreset(int controllers, const struct mem_controller *ctrl)
47 {
48    if (is_cpu_pre_c0()) {
49         udelay(800);
50         outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1
51         udelay(90);
52    }
53 }
54
55 static inline void activate_spd_rom(const struct mem_controller *ctrl)
56 {
57         /* nothing to do */
58 }
59
60 static inline int spd_read_byte(unsigned device, unsigned address)
61 {
62         return smbus_read_byte(device, address);
63 }
64
65 #define QRANK_DIMM_SUPPORT 1
66
67 #include "northbridge/amd/amdk8/raminit.c"
68 #include "northbridge/amd/amdk8/coherent_ht.c"
69 #include "lib/generic_sdram.c"
70 #include "northbridge/amd/amdk8/resourcemap.c"
71
72 #if CONFIG_LOGICAL_CPUS==1
73 #define SET_NB_CFG_54 1
74 #endif
75 #include "cpu/amd/dualcore/dualcore.c"
76
77
78
79 #include "cpu/amd/car/post_cache_as_ram.c"
80
81 #include "cpu/amd/model_fxx/init_cpus.c"
82
83 #include "southbridge/amd/amd8111/amd8111_enable_rom.c"
84 #include "northbridge/amd/amdk8/early_ht.c"
85
86 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
87 {
88         static const struct mem_controller cpu[] = {
89                 {
90                         .node_id = 0,
91                         .f0 = PCI_DEV(0, 0x18, 0),
92                         .f1 = PCI_DEV(0, 0x18, 1),
93                         .f2 = PCI_DEV(0, 0x18, 2),
94                         .f3 = PCI_DEV(0, 0x18, 3),
95                         .channel0 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 },
96                         .channel1 = { (0xa<<3)|1, (0xa<<3)|3, 0, 0 },
97                 },
98 #if CONFIG_MAX_PHYSICAL_CPUS > 1
99                 {
100                         .node_id = 1,
101                         .f0 = PCI_DEV(0, 0x19, 0),
102                         .f1 = PCI_DEV(0, 0x19, 1),
103                         .f2 = PCI_DEV(0, 0x19, 2),
104                         .f3 = PCI_DEV(0, 0x19, 3),
105                         .channel0 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 },
106                         .channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 },
107                 },
108 #endif
109         };
110
111         int needs_reset;
112
113         if (!cpu_init_detectedx && boot_cpu()) {
114                 /* Nothing special needs to be done to find bus 0 */
115                 /* Allow the HT devices to be found */
116
117                 enumerate_ht_chain();
118
119                 amd8111_enable_rom();
120         }
121
122         if (bist == 0) {
123                 init_cpus(cpu_init_detectedx);
124         }
125
126         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
127         uart_init();
128         console_init();
129
130         /* Halt if there was a built in self test failure */
131         report_bist_failure(bist);
132
133         setup_default_resource_map();
134
135         needs_reset = setup_coherent_ht_domain();
136
137 #if CONFIG_LOGICAL_CPUS==1
138         // It is said that we should start core1 after all core0 launched
139         start_other_cores();
140 #endif
141         needs_reset |= ht_setup_chains_x();
142
143         if (needs_reset) {
144                 print_info("ht reset -\n");
145                 soft_reset();
146         }
147
148         enable_smbus();
149
150         memreset_setup();
151         sdram_initialize(ARRAY_SIZE(cpu), cpu);
152
153         post_cache_as_ram();
154
155 }
156