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
smp_write_config_table(void * v)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, NULL, &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
write_smp_table(unsigned long addr)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 }
63