src/mainboard/getac/p470/mptable.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/device.h>
   4 #include <arch/smp/mpspec.h>
   5 #include <arch/ioapic.h>
   6
   7 static void *smp_write_config_table(void *v)
   8 {
   9         struct mp_config_table *mc;
  10         int isa_bus;
  11
  12         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
  13
  14         mptable_init(mc);
  15
  16         smp_write_processors(mc);
  17
  18         mptable_write_buses(mc, nullptr, &isa_bus);
  19
  20         /* I/O APICs:   APIC ID Version State           Address */
  21         u8 ioapic_id = smp_write_ioapic_from_hw(mc, IO_APIC_ADDR);
  22
  23         /* Legacy Interrupts */
  24         mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
  25
  26         /* Builtin devices on Bus 0 */
  27         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x02, 0, ioapic_id, 0x10);
  28         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1f, 1, ioapic_id, 0x13);
  29         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 0, ioapic_id, 0x17);
  30         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 1, ioapic_id, 0x13);
  31         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 2, ioapic_id, 0x12);
  32         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 3, ioapic_id, 0x10);
  33         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1b, 0, ioapic_id, 0x10);
  34         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1c, 0, ioapic_id, 0x10);
  35         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1c, 1, ioapic_id, 0x11);
  36
  37         /* Firewire 4:0.0 */
  38         smp_write_pci_intsrc(mc, mp_INT, 0x4, 0x00, 0, ioapic_id, 0x10);
  39
  40         // riser slot top 5:8.0
  41         smp_write_pci_intsrc(mc, mp_INT, 0x5, 0x08, 0, ioapic_id, 0x14);
  42         // riser slot middle 5:9.0
  43         smp_write_pci_intsrc(mc, mp_INT, 0x5, 0x09, 0, ioapic_id, 0x15);
  44         // riser slot bottom 5:a.0
  45         smp_write_pci_intsrc(mc, mp_INT, 0x5, 0x0a, 0, ioapic_id, 0x16);
  46
  47         /* Onboard Ethernet */
  48         smp_write_pci_intsrc(mc, mp_INT, 0x1, 0x00, 0, ioapic_id, 0x10);
  49
  50         /* Local Ints:  Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN# */
  51         mptable_lintsrc(mc, isa_bus);
  52
  53         /* Compute the checksums */
  54         return mptable_finalize(mc);
  55 }
  56
  57 unsigned long write_smp_table(unsigned long addr)
  58 {
  59         void *v;
  60         v = smp_write_floating_table(addr, 0);
  61         return (unsigned long)smp_write_config_table(v);
  62 }