summaryrefslogtreecommitdiff
path: root/src/mainboard/tyan/s2891/get_bus_conf.c
blob: 8093f96332b901376e34f30aea7a70f5986e0a5e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <stdint.h>
#if CONFIG_LOGICAL_CPUS==1
#include <cpu/amd/dualcore.h>
#endif

#include <cpu/amd/amdk8_sysconf.h>

// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
//busnum is default
        unsigned char bus_isa;
        unsigned char bus_ck804_0; //1
        unsigned char bus_ck804_1; //2
        unsigned char bus_ck804_2; //3
        unsigned char bus_ck804_3; //4
        unsigned char bus_ck804_4; //5
        unsigned char bus_ck804_5; //6
        unsigned char bus_8131_0;  //7
        unsigned char bus_8131_1;  //8
        unsigned char bus_8131_2;  //9
	unsigned char bus_coproc_0;
        unsigned apicid_ck804;
        unsigned apicid_8131_1;
        unsigned apicid_8131_2;
	

unsigned pci1234x[] = 
{        //Here you only need to set value in pci1234 for HT-IO that could be installed or not
	 //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
        0x0000000,
        0x0000200,
        0x0000100,
//        0x0000ff0,
//        0x0000ff0,
//        0x0000ff0,
//        0x0000ff0,
//        0x0000ff0
};
unsigned hcdnx[] = 
{ //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
	0x20202020,
	0x20202020,
        0x20202020,
//        0x20202020,
//        0x20202020,
//        0x20202020,
//        0x20202020,
//        0x20202020,
};

unsigned sbdn3;
unsigned coprocdn;

extern void get_sblk_pci1234(void);

static unsigned get_bus_conf_done = 0;

void get_bus_conf(void)
{

	unsigned apicid_base;

        device_t dev;
	unsigned sbdn;
        int i;

        if(get_bus_conf_done==1) return; //do it only once

        get_bus_conf_done = 1;

        sysconf.hc_possible_num = sizeof(pci1234x)/sizeof(pci1234x[0]);
        for(i=0;i<sysconf.hc_possible_num; i++) {
                sysconf.pci1234[i] = pci1234x[i];
                sysconf.hcdn[i] = hcdnx[i];
        }

        get_sblk_pci1234();
	
	sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
	sbdn = sysconf.sbdn;

	sbdn3 = (sysconf.hcdn[1] & 0xff); // first byte of second chain

	bus_ck804_0 = (sysconf.pci1234[0] >> 16) & 0xff;


                /* CK804 */
                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x09,0));
                if (dev) {
                        bus_ck804_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
#if 0
                        bus_ck804_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_ck804_2++;
#else
                        bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_ck804_4++;
#endif
                }
                else {
                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x09);

                        bus_ck804_1 = 2;
#if 0
                        bus_ck804_2 = 3;
#else
                        bus_ck804_4 = 3;
#endif

                }
#if 0
                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0b,0));
                if (dev) {
                        bus_ck804_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_ck804_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_ck804_3++;
                }
                else {
                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0b);

                        bus_ck804_3 = bus_ck804_2+1;
                }

                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0c,0));
                if (dev) {
                        bus_ck804_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_ck804_4++;
                }
                else {
                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0c);

                        bus_ck804_4 = bus_ck804_3+1;
                }

#endif

                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0d,0));
                if (dev) {
                        bus_ck804_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_ck804_5++;
                }
                else {
                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n",sbdn + 0x0d);

                        bus_ck804_5 = bus_ck804_4+1;
                }

                dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn+ 0x0e,0));
                if (dev) {
                        bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_isa++;
                }
                else {
                        printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e);
                }

		bus_8131_0 = (sysconf.pci1234[1] >> 16) & 0xff;

                /* 8131-1 */
                dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
                if (dev) {
                        bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_8131_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_8131_2++;
                }
                else {
                        printk_debug("ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);

                        bus_8131_1 = bus_8131_0+1;
                        bus_8131_2 = bus_8131_0+2;
                }
                /* 8131-2 */
                dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
                if (dev) {
                        bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
                        bus_isa++;
                }
                else {
                        printk_debug("ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);

                        bus_8131_2 = bus_8131_1+1;
                        bus_isa = bus_8131_1+2;
                }

		if(sysconf.pci1234[2] & 1) {
			bus_coproc_0 = (sysconf.pci1234[2] >> 16) & 0xff;
			coprocdn =  (sysconf.hcdn[2] & 0xff);
		}
		

/*I/O APICs:	APIC ID	Version	State		Address*/
#if CONFIG_LOGICAL_CPUS==1
	apicid_base = get_apicid_base(3);
#else 
	apicid_base = CONFIG_MAX_PHYSICAL_CPUS; 
#endif
	apicid_ck804 = apicid_base+0;
        apicid_8131_1 = apicid_base+1;
        apicid_8131_2 = apicid_base+2;
}