src/mainboard/iwill/dk8_htx/irq_tables.c

   1 /* This file was generated by getpir.c, do not modify!
   2    (but if you do, please run checkpir on it to verify)
   3    Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up
   4
   5    Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
   6 */
   7 #include <console/console.h>
   8 #include <device/pci.h>
   9 #include <string.h>
  10 #include <stdint.h>
  11 #include <arch/pirq_routing.h>
  12 #include <cpu/amd/amdk8_sysconf.h>
  13
  14 #include "mb_sysconf.h"
  15
  16 static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0,
  17                 uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
  18                 uint8_t slot, uint8_t rfu)
  19 {
  20         pirq_info->bus = bus;
  21         pirq_info->devfn = devfn;
  22
  23         pirq_info->irq[0].link = link0;
  24         pirq_info->irq[0].bitmap = bitmap0;
  25         pirq_info->irq[1].link = link1;
  26         pirq_info->irq[1].bitmap = bitmap1;
  27         pirq_info->irq[2].link = link2;
  28         pirq_info->irq[2].bitmap = bitmap2;
  29         pirq_info->irq[3].link = link3;
  30         pirq_info->irq[3].bitmap = bitmap3;
  31
  32         pirq_info->slot = slot;
  33         pirq_info->rfu = rfu;
  34 }
  35
  36
  37 extern void get_bus_conf(void);
  38
  39 unsigned long write_pirq_routing_table(unsigned long addr)
  40 {
  41
  42         struct irq_routing_table *pirq;
  43         struct irq_info *pirq_info;
  44         unsigned slot_num;
  45         uint8_t *v;
  46
  47         uint8_t sum=0;
  48         int i;
  49
  50         struct mb_sysconf_t *m;
  51
  52         get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c
  53
  54         m = sysconf.mb;
  55
  56         /* Align the table to be 16 byte aligned. */
  57         addr += 15;
  58         addr &= ~15;
  59
  60         /* This table must be betweeen 0xf0000 & 0x100000 */
  61         printk(BIOS_INFO, "Writing IRQ routing tables to 0x%lx...", addr);
  62
  63         pirq = (void *)(addr);
  64         v = (uint8_t *)(addr);
  65
  66         pirq->signature = PIRQ_SIGNATURE;
  67         pirq->version  = PIRQ_VERSION;
  68
  69         pirq->rtr_bus = m->bus_8111_0;
  70         pirq->rtr_devfn = ((sysconf.sbdn+1)<<3)|0;
  71
  72         pirq->exclusive_irqs = 0;
  73
  74         pirq->rtr_vendor = 0x1022;
  75         pirq->rtr_device = 0x746b;
  76
  77         pirq->miniport_data = 0;
  78
  79         memset(pirq->rfu, 0, sizeof(pirq->rfu));
  80
  81         pirq_info = (void *) ( &pirq->checksum + 1);
  82         slot_num = 0;
  83
  84         {
  85                 device_t dev;
  86                 dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn+1,3));
  87                 if (dev) {
  88                         /* initialize PCI interupts - these assignments depend
  89                         on the PCB routing of PINTA-D
  90
  91                         PINTA = IRQ3
  92                         PINTB = IRQ5
  93                         PINTC = IRQ10
  94                         PINTD = IRQ11
  95                         */
  96                         pci_write_config16(dev, 0x56, 0xba53);
  97                 }
  98         }
  99
 100 //pci bridge
 101         printk(BIOS_DEBUG, "setting Onboard AMD Southbridge \n");
 102         static const unsigned char slotIrqs_1_4[4] = { 3, 5, 10, 11 };
 103         pci_assign_irqs(m->bus_8111_0, sysconf.sbdn+1, slotIrqs_1_4);
 104         write_pirq_info(pirq_info, m->bus_8111_0, ((sysconf.sbdn+1)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
 105         pirq_info++; slot_num++;
 106
 107         printk(BIOS_DEBUG, "setting Onboard AMD USB \n");
 108         static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 11};
 109         pci_assign_irqs(m->bus_8111_1, 0, slotIrqs_8111_1_0);
 110         write_pirq_info(pirq_info, m->bus_8111_1,0, 0, 0, 0, 0, 0, 0, 0x4, 0xdef8, 0, 0);
 111         pirq_info++; slot_num++;
 112
 113 //pcix bridge
 114 //        write_pirq_info(pirq_info, m->bus_8132_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
 115 //        pirq_info++; slot_num++;
 116
 117         int j = 0;
 118
 119         for(i=1; i< sysconf.hc_possible_num; i++) {
 120                 if(!(sysconf.pci1234[i] & 0x1) ) continue;
 121                 unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
 122                 unsigned devn = sysconf.hcdn[i] & 0xff;
 123
 124                 write_pirq_info(pirq_info, busn, (devn<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
 125                 pirq_info++; slot_num++;
 126                 j++;
 127
 128         }
 129
 130         pirq->size = 32 + 16 * slot_num;
 131
 132         for (i = 0; i < pirq->size; i++)
 133                 sum += v[i];
 134
 135         sum = pirq->checksum - sum;
 136
 137         if (sum != pirq->checksum) {
 138                 pirq->checksum = sum;
 139         }
 140
 141         printk(BIOS_INFO, "done.\n");
 142
 143         return  (unsigned long) pirq_info;
 144
 145 }