Add IOAPIC support for Intel 82371EB and fixup SMP on ASUS P2B-D.
[coreboot.git] / src / mainboard / asus / p2b-d / mptable.c
index 12ca7891eb827e2a1cd396304886067aa54be84a..699cbea3d1718a23378c0946696c44a81ba84d8f 100644 (file)
@@ -27,6 +27,7 @@
 
 static void *smp_write_config_table(void *v)
 {
+       int ioapic_id, ioapic_ver, isa_bus;
        struct mp_config_table *mc;
 
        mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
@@ -35,13 +36,12 @@ static void *smp_write_config_table(void *v)
 
        smp_write_processors(mc);
 
-       /* Bus: Bus ID Type */
-       smp_write_bus(mc, 0, "PCI   ");
-       smp_write_bus(mc, 1, "PCI   ");
-       smp_write_bus(mc, 2, "ISA   ");
+       mptable_write_buses(mc, NULL, &isa_bus);
+
+       ioapic_id = 2;
+       ioapic_ver = 0x11; /* External Intel 82093AA IOAPIC. */
+       smp_write_ioapic(mc, ioapic_id, ioapic_ver, IO_APIC_ADDR);
 
-       /* I/O APICs: APIC ID  Version  State  Address */
-       smp_write_ioapic(mc, 2, 0x20, IO_APIC_ADDR);
        {
                device_t dev;
                struct resource *res;
@@ -49,45 +49,39 @@ static void *smp_write_config_table(void *v)
                if (dev) {
                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
                        if (res)
-                               smp_write_ioapic(mc, 3, 0x20, res->base);
+                               smp_write_ioapic(mc, 3, ioapic_ver, res->base);
                }
                dev = dev_find_slot(1, PCI_DEVFN(0x1c, 0));
                if (dev) {
                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
                        if (res)
-                               smp_write_ioapic(mc, 4, 0x20, res->base);
+                               smp_write_ioapic(mc, 4, ioapic_ver, res->base);
                }
                dev = dev_find_slot(4, PCI_DEVFN(0x1e, 0));
                if (dev) {
                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
                        if (res)
-                               smp_write_ioapic(mc, 5, 0x20, res->base);
+                               smp_write_ioapic(mc, 5, ioapic_ver, res->base);
                }
                dev = dev_find_slot(4, PCI_DEVFN(0x1c, 0));
                if (dev) {
                        res = find_resource(dev, PCI_BASE_ADDRESS_0);
                        if (res)
-                               smp_write_ioapic(mc, 8, 0x20, res->base);
+                               smp_write_ioapic(mc, 8, ioapic_ver, res->base);
                }
        }
 
-       mptable_add_isa_interrupts(mc, 0x2, 0x2, 0);
-
-       smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,
-                        0x2, 0xb, 0x2, 0x10);
-       smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,
-                        0x2, 0xa, 0x2, 0x13);
+       /* Legacy Interrupts */
+       mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
 
-       /* Local Ints: Type  Polarity  Trigger  Bus ID  IRQ  APIC ID  PIN# */
-       smp_write_lintsrc(mc, mp_ExtINT,
-                        MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 0x2, 0x0,
-                        MP_APIC_ALL, 0x0);
-       smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
-                        0x2, 0x0, MP_APIC_ALL, 0x1);
+       /* I/O Ints:         Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
+       smp_write_intsrc(mc, mp_INT,    MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW,  0x0,     0x13, ioapic_id,   0x13); /* UHCI */
 
-       /* There is no extension information... */
+       /* Local Ints:       Type       Trigger                Polarity              Bus ID   IRQ   APIC ID      PIN# */
+       smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE  | MP_IRQ_POLARITY_HIGH, isa_bus, 0x0,  MP_APIC_ALL, 0x0);
+       smp_write_lintsrc(mc, mp_NMI,    MP_IRQ_TRIGGER_EDGE  | MP_IRQ_POLARITY_HIGH, isa_bus, 0x0,  MP_APIC_ALL, 0x1);
 
-       /* Compute the checksums */
+       /* Compute the checksums. */
        mc->mpe_checksum =
            smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
        mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);