The ARRAY_SIZE macro is convenient, yet mostly unused. Switch lots of
[coreboot.git] / src / mainboard / tyan / s2850 / auto.c
1 #define ASSEMBLY 1
2 #include <stdint.h>
3 #include <device/pci_def.h>
4 #include <arch/io.h>
5 #include <device/pnp_def.h>
6 #include <arch/romcc_io.h>
7 #include <cpu/x86/lapic.h>
8 #include <arch/cpu.h>
9 #include <stdlib.h>
10 #include "option_table.h"
11 #include "pc80/mc146818rtc_early.c"
12 #include "pc80/serial.c"
13 #include "arch/i386/lib/console.c"
14 #include "ram/ramtest.c"
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 #include "cpu/x86/lapic/boot_cpu.c"
21 #include "northbridge/amd/amdk8/reset_test.c"
22 #include "northbridge/amd/amdk8/debug.c"
23 #include <cpu/amd/model_fxx_rev.h>
24 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
25 #include "cpu/amd/mtrr/amd_earlymtrr.c"
26 #include "cpu/x86/bist.h"
27
28 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
29 /* Look up a which bus a given node/link combination is on.
30  * return 0 when we can't find the answer.
31  */
32 static unsigned node_link_to_bus(unsigned node, unsigned link)
33 {
34         unsigned reg;
35         
36         for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
37                 unsigned config_map;
38                 config_map = pci_read_config32(PCI_DEV(0, 0x18, 1), reg);
39                 if ((config_map & 3) != 3) {
40                         continue; 
41                 }       
42                 if ((((config_map >> 4) & 7) == node) &&
43                         (((config_map >> 8) & 3) == link))
44                 {       
45                         return (config_map >> 16) & 0xff;
46                 }       
47         }       
48         return 0;
49 }       
50
51 static void hard_reset(void)
52 {
53         device_t dev;
54
55         /* Find the device */
56         dev = PCI_DEV(node_link_to_bus(0, 0), 0x04, 3);
57
58         set_bios_reset();
59
60         /* enable cf9 */
61         pci_write_config8(dev, 0x41, 0xf1);
62         /* reset */
63         outb(0x0e, 0x0cf9);
64 }
65
66 static void soft_reset(void)
67 {
68         device_t dev;
69
70         /* Find the device */
71         dev = PCI_DEV(node_link_to_bus(0, 0), 0x04, 0);
72
73         set_bios_reset();
74         pci_write_config8(dev, 0x47, 1);
75 }
76
77 #define REV_B_RESET 0
78 static void memreset_setup(void)
79 {
80         if (is_cpu_pre_c0()) {
81                 outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) | (0 << 0), SMBUS_IO_BASE + 0xc0 + 16);       //REVC_MEMRST_EN=0
82         } else {
83                 outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) | (1 << 0), SMBUS_IO_BASE + 0xc0 + 16);       //REVC_MEMRST_EN=1
84         }
85         outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) |
86              (0 << 0), SMBUS_IO_BASE + 0xc0 + 17);
87 }
88
89 static void memreset(int controllers, const struct mem_controller *ctrl)
90 {
91         if (is_cpu_pre_c0()) {
92                 udelay(800);
93                 outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) | (1 << 0), SMBUS_IO_BASE + 0xc0 + 17);       //REVB_MEMRST_L=1
94                 udelay(90);
95         }
96 }
97
98 static inline void activate_spd_rom(const struct mem_controller *ctrl)
99 {
100         /* nothing to do */
101 }
102
103 static inline int spd_read_byte(unsigned device, unsigned address)
104 {
105         return smbus_read_byte(device, address);
106 }
107
108 #include "northbridge/amd/amdk8/setup_resource_map.c"
109 #include "northbridge/amd/amdk8/raminit.c"
110 #include "northbridge/amd/amdk8/coherent_ht.c"
111 #include "sdram/generic_sdram.c"
112 #include "northbridge/amd/amdk8/resourcemap.c"
113
114 #if CONFIG_LOGICAL_CPUS==1
115 #define SET_NB_CFG_54 1
116 #include "cpu/amd/dualcore/dualcore.c"
117 #endif
118
119 static void main(unsigned long bist)
120 {
121         /*
122          * GPIO28 of 8111 will control H0_MEMRESET_L
123          * GPIO29 of 8111 will control H1_MEMRESET_L
124          */
125         static const struct mem_controller cpu[] = {
126                 {
127                  .node_id = 0,
128                  .f0 = PCI_DEV(0, 0x18, 0),
129                  .f1 = PCI_DEV(0, 0x18, 1),
130                  .f2 = PCI_DEV(0, 0x18, 2),
131                  .f3 = PCI_DEV(0, 0x18, 3),
132                  .channel0 = {(0xa << 3) | 0, (0xa << 3) | 2, 0, 0},
133                  .channel1 = {(0xa << 3) | 1, (0xa << 3) | 3, 0, 0},
134                  },
135         };
136
137         int needs_reset;
138
139 #if CONFIG_LOGICAL_CPUS==1
140         struct node_core_id id;
141 #else
142         unsigned nodeid;
143 #endif
144
145         if (bist == 0) {
146                 /* Skip this if there was a built in self test failure */
147                 amd_early_mtrr_init();
148
149 #if CONFIG_LOGICAL_CPUS==1
150                 set_apicid_cpuid_lo();
151 #endif
152
153                 enable_lapic();
154                 init_timer();
155
156 #if CONFIG_LOGICAL_CPUS==1
157                 id = get_node_core_id_x();
158                 if(id.coreid == 0) {
159                         if (cpu_init_detected(id.nodeid)) {
160                                 asm volatile ("jmp __cpu_reset");
161                         }
162                         distinguish_cpu_resets(id.nodeid);
163                 }
164 #else
165                 nodeid = lapicid();
166                 if (cpu_init_detected(nodeid)) {
167                         asm volatile ("jmp __cpu_reset");
168                 }
169                 distinguish_cpu_resets(nodeid);
170 #endif
171
172                 if (!boot_cpu()
173 #if CONFIG_LOGICAL_CPUS==1 
174                         || (id.coreid != 0)
175 #endif
176                 ) {
177                         stop_this_cpu(); 
178                 }
179         }
180                         
181         w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
182         uart_init();    
183         console_init(); 
184                 
185         /* Halt if there was a built in self test failure */
186         report_bist_failure(bist);
187
188         setup_default_resource_map();
189         needs_reset = setup_coherent_ht_domain();
190 #if CONFIG_LOGICAL_CPUS==1
191         start_other_cores();
192 #endif
193         needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0x80);
194         if (needs_reset) {
195                 print_info("ht reset -\r\n");
196                 soft_reset();
197         }
198         enable_smbus();
199
200         memreset_setup();
201         sdram_initialize(ARRAY_SIZE(cpu), cpu);
202
203 }