summaryrefslogtreecommitdiff
path: root/src/mainboard/tyan/s2882/irq_tables.c
blob: e78ebf1b0d491ea209a6c08f44917217ff5d4fe7 (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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
/* This file was generated by getpir.c, do not modify!
   (but if you do, please run checkpir on it to verify)
   Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up

   Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
*/
#include <console/console.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
#include <arch/pirq_routing.h>

static unsigned node_link_to_bus(unsigned node, unsigned link)
{
        device_t dev;
        unsigned reg;

        dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
        if (!dev) {
                return 0;
        }
        for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
                uint32_t config_map;
                unsigned dst_node;
                unsigned dst_link;
                unsigned bus_base;
                config_map = pci_read_config32(dev, reg);
                if ((config_map & 3) != 3) {
                        continue;
                }
                dst_node = (config_map >> 4) & 7;
                dst_link = (config_map >> 8) & 3;
                bus_base = (config_map >> 16) & 0xff;
                if ((dst_node == node) && (dst_link == link))
                {
                        return bus_base;
                }
        }
        return 0;
}

static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0,
		uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
		uint8_t slot, uint8_t rfu)
{
        pirq_info->bus = bus;
        pirq_info->devfn = devfn;
                pirq_info->irq[0].link = link0;
                pirq_info->irq[0].bitmap = bitmap0;
                pirq_info->irq[1].link = link1;
                pirq_info->irq[1].bitmap = bitmap1;
                pirq_info->irq[2].link = link2;
                pirq_info->irq[2].bitmap = bitmap2;
                pirq_info->irq[3].link = link3;
                pirq_info->irq[3].bitmap = bitmap3;
        pirq_info->slot = slot;
        pirq_info->rfu = rfu;
}

unsigned long write_pirq_routing_table(unsigned long addr)
{

	struct irq_routing_table *pirq;
	struct irq_info *pirq_info;
	unsigned slot_num;
	uint8_t *v;

        uint8_t sum=0;
        int i;

        unsigned char bus_chain_0;
        unsigned char bus_8131_1;
        unsigned char bus_8131_2;
        unsigned char bus_8111_1;
        {
                device_t dev;

                /* HT chain 0 */
                bus_chain_0 = node_link_to_bus(0, 0);
                if (bus_chain_0 == 0) {
                        printk(BIOS_DEBUG, "ERROR - cound not find bus for node 0 chain 0, using defaults\n");
                        bus_chain_0 = 1;
                }

                /* 8111 */
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
                if (dev) {
                        bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI 1:03.0, using defaults\n");

                        bus_8111_1 = 4;
                }
                /* 8131-1 */
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
                if (dev) {
                        bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);

                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI 1:01.0, using defaults\n");

                        bus_8131_1 = 2;
                }
                /* 8131-2 */
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
                if (dev) {
                        bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);

                }
                else {
                        printk(BIOS_DEBUG, "ERROR - could not find PCI 1:02.0, using defaults\n");

                        bus_8131_2 = 3;
                }
        }

        /* Align the table to be 16 byte aligned. */
        addr += 15;
        addr &= ~15;

        /* This table must be between 0xf0000 & 0x100000 */
        printk(BIOS_INFO, "Writing IRQ routing tables to 0x%lx...\n", addr);

	pirq = (void *)(addr);
	v = (uint8_t *)(addr);

	pirq->signature = PIRQ_SIGNATURE;
	pirq->version  = PIRQ_VERSION;

	pirq->rtr_bus = bus_chain_0;
	pirq->rtr_devfn = (4<<3)|3;

	pirq->exclusive_irqs = 0;

	pirq->rtr_vendor = 0x1022;
	pirq->rtr_device = 0x746b;

	pirq->miniport_data = 0;

	memset(pirq->rfu, 0, sizeof(pirq->rfu));

	pirq_info = (void *) ( &pirq->checksum + 1);
	slot_num = 0;

        {
                device_t dev;
                dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x04,3));
                if (dev) {
                        /* initialize PCI interupts - these assignments depend
                        on the PCB routing of PINTA-D

                        PINTA = IRQ5
                        PINTB = IRQ9
                        PINTC = IRQ11
                        PINTD = IRQ10
                        */
                        pci_write_config16(dev, 0x56, 0xab95);
                }
        }

        printk(BIOS_DEBUG, "setting Onboard AMD Southbridge\n");
        static const unsigned char slotIrqs_1_4[4] = { 5, 9, 11, 10 };
        pci_assign_irqs(bus_chain_0, 4, slotIrqs_1_4);
        write_pirq_info(pirq_info, bus_chain_0,(4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Onboard AMD USB\n");
        static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 10 };
        pci_assign_irqs(bus_8111_1, 0, slotIrqs_8111_1_0);
        write_pirq_info(pirq_info, bus_8111_1,0, 0, 0, 0, 0, 0, 0, 0x4, 0xdef8, 0, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Onboard ATI Display Adapter\n");
        static const unsigned char slotIrqs_8111_1_6[4] = { 11, 0, 0, 0 };
        pci_assign_irqs(bus_8111_1, 6, slotIrqs_8111_1_6);
        write_pirq_info(pirq_info, bus_8111_1,(6<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Slot 1\n");
        static const unsigned char slotIrqs_8131_2_3[4] = { 5, 9, 11, 10 };
        pci_assign_irqs(bus_8131_2, 3, slotIrqs_8131_2_3);
        write_pirq_info(pirq_info, bus_8131_2,(3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Slot 2\n");
        static const unsigned char slotIrqs_8131_2_1[4] = { 9, 11, 10, 5 };
        pci_assign_irqs(bus_8131_2, 1, slotIrqs_8131_2_1);
        write_pirq_info(pirq_info, bus_8131_2,(1<<3)|0, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Slot 3\n");
        static const unsigned char slotIrqs_8131_1_3[4] = { 10, 5, 9, 11 };
        pci_assign_irqs(bus_8131_1, 3, slotIrqs_8131_1_3);
        write_pirq_info(pirq_info, bus_8131_1,(3<<3)|0, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x3, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Slot 4\n");
        static const unsigned char slotIrqs_8131_1_2[4] = { 11, 10, 5, 9 };
        pci_assign_irqs(bus_8131_1, 2, slotIrqs_8131_1_2);
        write_pirq_info(pirq_info, bus_8131_1,(2<<3)|0, 0x3, 0xdef8, 0x4, 0xdef8, 0x1, 0xdef8, 0x2, 0xdef8, 0x4, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Slot 5\n");
        static const unsigned char slotIrqs_8111_1_4[4] = { 5, 9, 11, 10 };
        pci_assign_irqs(bus_8111_1, 4, slotIrqs_8111_1_4);
        write_pirq_info(pirq_info, bus_8111_1,(4<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0x5, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Onboard SI Serial ATA\n");
        static const unsigned char slotIrqs_8111_1_5[4] = { 10, 0, 0, 0 };
        pci_assign_irqs(bus_8111_1, 5, slotIrqs_8111_1_5);
        write_pirq_info(pirq_info, bus_8111_1,(5<<3)|0, 0x4, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Onboard Intel NIC\n");
        static const unsigned char slotIrqs_8111_1_8[4] = { 11, 0, 0, 0 };
        pci_assign_irqs(bus_8111_1, 8, slotIrqs_8111_1_8);
        write_pirq_info(pirq_info, bus_8111_1,(8<<3)|0, 0x3, 0xdef8, 0, 0, 0, 0, 0, 0, 0, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Onboard Adaptec  SCSI\n");
        static const unsigned char slotIrqs_8131_1_6[4] = { 5, 9, 0, 0 };
        pci_assign_irqs(bus_8131_1, 6, slotIrqs_8131_1_6);
        write_pirq_info(pirq_info, bus_8131_1,(6<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
	pirq_info++; slot_num++;

        printk(BIOS_DEBUG, "setting Onboard Broadcom NIC\n");
        static const unsigned char slotIrqs_8131_1_9[4] = { 5, 9, 0, 0 };
        pci_assign_irqs(bus_8131_1, 9, slotIrqs_8131_1_9);
        write_pirq_info(pirq_info, bus_8131_1,(9<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0, 0, 0, 0, 0, 0);
	pirq_info++; slot_num++;

	pirq->size = 32 + 16 * slot_num;

        for (i = 0; i < pirq->size; i++)
                sum += v[i];

	sum = pirq->checksum - sum;

        if (sum != pirq->checksum) {
                pirq->checksum = sum;
        }

	printk(BIOS_INFO, "done.\n");

	return	(unsigned long) pirq_info;
}