| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <arch/smp/mpspec.h> |
| #include <arch/ioapic.h> |
| |
| static void *smp_write_config_table(void *v) |
| { |
| struct mp_config_table *mc; |
| struct device *riser = NULL, *firewire = NULL; |
| int firewire_bus = 0, riser_bus = 0, isa_bus; |
| int ioapic_id; |
| |
| mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); |
| |
| mptable_init(mc, LOCAL_APIC_ADDR); |
| |
| smp_write_processors(mc); |
| |
| firewire = dev_find_device(0x104c, 0x8023, 0); |
| if (firewire) { |
| firewire_bus = firewire->bus->secondary; |
| } |
| |
| /* If a riser card is used, this riser is detected on bus 4, so its secondary bus is the */ |
| /* highest bus number on the pci bus. */ |
| riser = dev_find_device(0x3388, 0x0021, 0); |
| if (!riser) |
| riser = dev_find_device(0x3388, 0x0022, 0); |
| if (riser) { |
| riser_bus = riser->link_list->secondary; |
| } |
| |
| mptable_write_buses(mc, NULL, &isa_bus); |
| |
| /* I/O APICs: APIC ID Version State Address */ |
| ioapic_id = 2; |
| smp_write_ioapic(mc, ioapic_id, 0x20, VIO_APIC_VADDR); |
| |
| /* Legacy Interrupts */ |
| mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0); |
| |
| /* Builtin devices on Bus 0 */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x4, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x8, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x7d, ioapic_id, 0x13); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x74, ioapic_id, 0x17); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x75, ioapic_id, 0x13); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x76, ioapic_id, 0x12); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x77, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x6c, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x70, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x71, ioapic_id, 0x11); |
| |
| /* Internal PCI bus (Firewire, PCI slot) */ |
| if (firewire) { |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, firewire_bus, 0x0, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, firewire_bus, 0x4, ioapic_id, 0x14); |
| } |
| |
| if (riser) { |
| /* Old riser card */ |
| /* riser slot top 5:8.0 */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, riser_bus, 0x20, ioapic_id, 0x14); |
| /* riser slot middle 5:9.0 */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, riser_bus, 0x24, ioapic_id, 0x15); |
| /* riser slot bottom 5:a.0 */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, riser_bus, 0x28, ioapic_id, 0x16); |
| |
| /* New Riser Card */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, riser_bus, 0x30, ioapic_id, 0x14); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, riser_bus, 0x34, ioapic_id, 0x15); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, riser_bus, 0x38, ioapic_id, 0x16); |
| } |
| |
| /* PCIe slot */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x1, 0x0, ioapic_id, 0x10); |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x1, 0x1, ioapic_id, 0x11); |
| |
| /* Onboard Ethernet */ |
| smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x2, 0x0, ioapic_id, 0x10); |
| |
| /* Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ |
| mptable_lintsrc(mc, isa_bus); |
| |
| /* Compute the checksums */ |
| return mptable_finalize(mc); |
| } |
| |
| unsigned long write_smp_table(unsigned long addr) |
| { |
| void *v; |
| v = smp_write_floating_table(addr, 1); |
| return (unsigned long)smp_write_config_table(v); |
| } |