| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/pirq_routing.h> |
| |
| #define IRQ_BITMAP_LINK0 0x0800 /* chipset's INTA# input should be routed to IRQ11 */ |
| #define IRQ_BITMAP_LINK1 0x0400 /* chipset's INTB# input should be routed to IRQ10 */ |
| #define IRQ_BITMAP_LINK2 0x0000 /* chipset's INTC# input should be routed to nothing (disabled) */ |
| #define IRQ_BITMAP_LINK3 0x0000 /* chipset's INTD# input should be routed to nothing (disabled) */ |
| |
| static const struct irq_routing_table intel_irq_routing_table = { |
| PIRQ_SIGNATURE, /* u32 signature */ |
| PIRQ_VERSION, /* u16 version */ |
| 32+16*CONFIG_IRQ_SLOT_COUNT, /* There can be a total of CONFIG_IRQ_SLOT_COUNT devices on the bus */ |
| 0x00, /* Where the interrupt router lies (bus) */ |
| (0x12<<3)|0x0, /* Where the interrupt router lies (dev) */ |
| 0xc00, /* IRQs devoted exclusively to PCI usage */ |
| 0x1078, /* Vendor */ |
| 0x2, /* Device */ |
| 0, /* Miniport data */ |
| { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ |
| 0x57, /* u8 checksum. This has to be set to some |
| value that would give 0 after the sum of all |
| bytes for this structure (including checksum) */ |
| |
| .slots = { |
| [0] = { |
| .slot = 0x0, /* should be 0 when it is no real slot. My device is soldered */ |
| .bus = 0x00, |
| .devfn = (0x13<<3)|0x0, /* 0x13 is my USB OHCI */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = 0x01, /* 0x01 means its connected to INTA# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK0 |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = 0x02, /* 0x02 means its connected to INTB# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK1 |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = 0x03, /* 0x03 means its connected to INTC# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK2 |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = 0x04, /* 0x04 means its connected to INTD# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK3 |
| } |
| } |
| }, |
| |
| [1] = { |
| .slot = 0x0, /* means also "on board" */ |
| .bus = 0x00, |
| .devfn = (0x0e<<3)|0x0, /* 0x0e is my Realtek Network device */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = 0x02, /* 0x02 means its connected to INTB# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK1 |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = 0x03, /* 0x03 means its connected to INTC# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK2 |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = 0x04, /* 0x04 means its connected to INTD# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK3 |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = 0x01, /* 0x01 means its connected to INTA# input at chipset */ |
| .bitmap = IRQ_BITMAP_LINK0 |
| } |
| } |
| } |
| } |
| }; |
| |
| /** |
| * Copy the IRQ routing table to memory. |
| * |
| * @param addr Destination address (between 0xF0000...0x100000). |
| * @return The end address of the pirq routing table in memory. |
| */ |
| unsigned long write_pirq_routing_table(unsigned long addr) |
| { |
| return copy_pirq_routing_table(addr, &intel_irq_routing_table); |
| } |
