src/mainboard/ibase/mb899/mptable.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/device.h>
   4 #include <console/console.h>
   5 #include <arch/smp/mpspec.h>
   6 #include <arch/ioapic.h>
   7
   8 static void *smp_write_config_table(void *v)
   9 {
  10         struct mp_config_table *mc;
  11         struct device *riser = nullptr, *firewire = nullptr;
  12         int firewire_bus = 0, riser_bus = 0, isa_bus;
  13
  14         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
  15
  16         mptable_init(mc);
  17
  18         smp_write_processors(mc);
  19
  20         firewire = dev_find_device(0x104c, 0x8023, 0);
  21         if (firewire) {
  22                 firewire_bus = firewire->upstream->secondary;
  23                 printk(BIOS_SPEW, "Firewire device is on bus %x\n",
  24                                 firewire_bus);
  25         }
  26
  27         // If a riser card is used, this riser is detected on bus 4, so its secondary bus is the
  28         // highest bus number on the pci bus.
  29         riser = dev_find_device(0x3388, 0x0021, 0);
  30         if (!riser)
  31                 riser = dev_find_device(0x3388, 0x0022, 0);
  32         if (riser) {
  33                 riser_bus = riser->downstream->secondary;
  34                 printk(BIOS_SPEW, "Riser bus is %x\n", riser_bus);
  35         }
  36
  37         mptable_write_buses(mc, nullptr, &isa_bus);
  38
  39         /* I/O APICs:   APIC ID Version State           Address */
  40         u8 ioapic_id = smp_write_ioapic_from_hw(mc, IO_APIC_ADDR);
  41
  42         /* Legacy Interrupts */
  43
  44         /* I/O Ints:    Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN# */
  45         smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_DEFAULT, isa_bus, 0x0, ioapic_id, 0x0);
  46         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0x1, ioapic_id, 0x1);
  47         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0x0, ioapic_id, 0x2);
  48         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0x3, ioapic_id, 0x3);
  49         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0x4, ioapic_id, 0x4);
  50         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, isa_bus, 0x8, ioapic_id, 0x8);
  51         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0x9, ioapic_id, 0x9);
  52         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0xa, ioapic_id, 0xa);
  53         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0xb, ioapic_id, 0xb);
  54         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0xc, ioapic_id, 0xc);
  55         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0xd, ioapic_id, 0xd);
  56         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0xe, ioapic_id, 0xe);
  57         smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT, isa_bus, 0xf, ioapic_id, 0xf);
  58
  59         /* Builtin devices on Bus 0 */
  60         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x01, 0, ioapic_id, 0x10);
  61         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x02, 0, ioapic_id, 0x10);
  62         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1f, 1, ioapic_id, 0x13);
  63         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 0, ioapic_id, 0x17);
  64         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 1, ioapic_id, 0x13);
  65         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 2, ioapic_id, 0x12);
  66         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 3, ioapic_id, 0x10);
  67         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1b, 0, ioapic_id, 0x10);
  68         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1c, 0, ioapic_id, 0x10);
  69         smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1c, 1, ioapic_id, 0x11);
  70
  71         /* Internal PCI bus (Firewire, PCI slot) */
  72         if (firewire) {
  73                 smp_write_pci_intsrc(mc, mp_INT, firewire_bus, 0x00, 0, ioapic_id, 0x10);
  74                 smp_write_pci_intsrc(mc, mp_INT, firewire_bus, 0x01, 0, ioapic_id, 0x14);
  75         }
  76
  77         if (riser) {
  78                 /* Old riser card */
  79                 // riser slot top 5:8.0
  80                 smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x08, 0, ioapic_id, 0x14);
  81                 // riser slot middle 5:9.0
  82                 smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x09, 0, ioapic_id, 0x15);
  83                 // riser slot bottom 5:a.0
  84                 smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0a, 0, ioapic_id, 0x16);
  85
  86                 /* New Riser Card */
  87                 smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0c, 0, ioapic_id, 0x14);
  88                 smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0d, 0, ioapic_id, 0x15);
  89                 smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0e, 0, ioapic_id, 0x16);
  90         }
  91
  92         /* PCIe slot */
  93         smp_write_pci_intsrc(mc, mp_INT, 0x1, 0x00, 0, ioapic_id, 0x10);
  94         smp_write_pci_intsrc(mc, mp_INT, 0x1, 0x00, 1, ioapic_id, 0x11);
  95
  96         /* Onboard Ethernet */
  97         smp_write_pci_intsrc(mc, mp_INT, 0x2, 0x00, 0, ioapic_id, 0x10);
  98
  99         /* Local Ints:  Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN# */
 100         mptable_lintsrc(mc, isa_bus);
 101
 102         /* Compute the checksums */
 103         return mptable_finalize(mc);
 104 }
 105
 106 unsigned long write_smp_table(unsigned long addr)
 107 {
 108         void *v;
 109         v = smp_write_floating_table(addr, 1);
 110         return (unsigned long)smp_write_config_table(v);
 111 }