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/* 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 = nullptr, *firewire = nullptr;
int firewire_bus = 0, riser_bus = 0, isa_bus;
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
mptable_init(mc);
smp_write_processors(mc);
firewire = dev_find_device(0x104c, 0x8023, 0);
if (firewire) {
firewire_bus = firewire->upstream->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->downstream->secondary;
}
mptable_write_buses(mc, nullptr, &isa_bus);
/* I/O APICs: APIC ID Version State Address */
u8 ioapic_id = smp_write_ioapic_from_hw(mc, IO_APIC_ADDR);
/* Legacy Interrupts */
mptable_add_isa_interrupts(mc, isa_bus, ioapic_id, 0);
/* Builtin devices on Bus 0 */
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x01, 0, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x02, 0, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1f, 1, ioapic_id, 0x13);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 0, ioapic_id, 0x17);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 1, ioapic_id, 0x13);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 2, ioapic_id, 0x12);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1d, 3, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1b, 0, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1c, 0, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, 0x0, 0x1c, 1, ioapic_id, 0x11);
/* Internal PCI bus (Firewire, PCI slot) */
if (firewire) {
smp_write_pci_intsrc(mc, mp_INT, firewire_bus, 0x00, 0, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, firewire_bus, 0x01, 0, ioapic_id, 0x14);
}
if (riser) {
/* Old riser card */
/* riser slot top 5:8.0 */
smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x08, 0, ioapic_id, 0x14);
/* riser slot middle 5:9.0 */
smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x09, 0, ioapic_id, 0x15);
/* riser slot bottom 5:a.0 */
smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0a, 0, ioapic_id, 0x16);
/* New Riser Card */
smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0c, 0, ioapic_id, 0x14);
smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0d, 0, ioapic_id, 0x15);
smp_write_pci_intsrc(mc, mp_INT, riser_bus, 0x0e, 0, ioapic_id, 0x16);
}
/* PCIe slot */
smp_write_pci_intsrc(mc, mp_INT, 0x1, 0x00, 0, ioapic_id, 0x10);
smp_write_pci_intsrc(mc, mp_INT, 0x1, 0x00, 1, ioapic_id, 0x11);
/* Onboard Ethernet */
smp_write_pci_intsrc(mc, mp_INT, 0x2, 0x00, 0, 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);
}
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