src/mainboard/supermicro/x6dai_g/mptable.c

   1 #include <console/console.h>
   2 #include <arch/smp/mpspec.h>
   3 #include <arch/ioapic.h>
   4 #include <device/pci.h>
   5 #include <string.h>
   6 #include <stdint.h>
   7
   8 static void *smp_write_config_table(void *v)
   9 {
  10         struct mp_config_table *mc;
  11         unsigned char bus_num;
  12         unsigned char bus_isa;
  13         unsigned char bus_6300;
  14
  15         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
  16
  17         mptable_init(mc, "X6DAI-G     ", LAPIC_ADDR);
  18
  19         smp_write_processors(mc);
  20
  21         {
  22                 device_t dev;
  23
  24                 /* southbridge */
  25                 dev = dev_find_slot(0, PCI_DEVFN(0x1e,0));
  26                 if (dev) {
  27                         bus_6300 = pci_read_config8(dev, PCI_SECONDARY_BUS);
  28                         bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
  29                         bus_isa++;
  30                 }
  31                 else {
  32                         printk(BIOS_DEBUG, "ERROR - could not find PCI 0:1e.0, using defaults\n");
  33                         bus_6300 = 5;
  34                         bus_isa = 6;
  35                 }
  36         }
  37
  38         /* define bus and isa numbers */
  39         for(bus_num = 0; bus_num < bus_isa; bus_num++) {
  40                 smp_write_bus(mc, bus_num, "PCI   ");
  41         }
  42         smp_write_bus(mc, bus_isa, "ISA   ");
  43
  44         /* IOAPIC handling */
  45
  46         smp_write_ioapic(mc, 2, 0x20, IO_APIC_ADDR);
  47         smp_write_ioapic(mc, 3, 0x20, IO_APIC_ADDR + 0x10000);
  48
  49         mptable_add_isa_interrupts(mc, bus_isa, 0x2, 0);
  50
  51         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  52                 0x00, 0x74, 0x02, 0x10);
  53         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  54                 0x00, 0x77, 0x02, 0x17);
  55         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  56                 0x00, 0x75, 0x02, 0x13);
  57         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  58                 0x00, 0x7c, 0x02, 0x12);
  59         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  60                 0x00, 0x7d, 0x02, 0x11);
  61         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  62                 0x00, 0x7d, 0x02, 0x11);
  63         /* Slot 1 function 0 */
  64         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  65                 4, 0x04, 0x03, 0x00);
  66         /* Slot 2 function 0 */
  67         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  68                 4, 0x0c, 0x03, 0x01);
  69         /* Slot 3 function 0 */
  70         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  71                 bus_6300, 0x20, 0x02, 0x14);
  72         /* Slot 4 function 0 */
  73         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  74                 bus_6300, 0x08, 0x02, 0x15);
  75         /* On board NIC */
  76         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
  77                 bus_6300, 0x0c, 0x02, 0x16);
  78
  79         /* Standard local interrupt assignments */
  80 //      smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
  81 //              bus_isa, 0x00, MP_APIC_ALL, 0x00);
  82         smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
  83                 bus_isa, 0x00, MP_APIC_ALL, 0x01);
  84
  85         /* There is no extension information... */
  86
  87         /* Compute the checksums */
  88         mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
  89
  90         mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
  91         printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n",
  92                 mc, smp_next_mpe_entry(mc));
  93         return smp_next_mpe_entry(mc);
  94 }
  95
  96 unsigned long write_smp_table(unsigned long addr)
  97 {
  98         void *v;
  99         v = smp_write_floating_table(addr);
 100         return (unsigned long)smp_write_config_table(v);
 101 }
 102