| /* |
| * 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> |
| // #include <console/console.h> |
| #include <arch/io.h> |
| |
| /* Platform IRQs */ |
| #define PIRQA 11 |
| #define PIRQB 10 |
| #define PIRQC 11 |
| #define PIRQD 5 |
| |
| /* Link */ |
| #define LINK_PIRQA 1 |
| #define LINK_PIRQB 2 |
| #define LINK_PIRQC 3 |
| #define LINK_PIRQD 4 |
| #define LINK_NONE 0 |
| |
| /* Map */ |
| #define IRQ_BITMAP_LINKA (1 << PIRQA) |
| #define IRQ_BITMAP_LINKB (1 << PIRQB) |
| #define IRQ_BITMAP_LINKC (1 << PIRQC) |
| #define IRQ_BITMAP_LINKD (1 << PIRQD) |
| #define IRQ_BITMAP_NOLINK 0x0 |
| |
| #define EXCLUSIVE_PCI_IRQS (IRQ_BITMAP_LINKA | IRQ_BITMAP_LINKB | IRQ_BITMAP_LINKC | IRQ_BITMAP_LINKD) |
| |
| 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 total CONFIG_IRQ_SLOT_COUNT devices on the bus */ |
| 0x00, /* Where the interrupt router lies (bus) */ |
| (0x0F << 3) | 0x0, /* Where the interrupt router lies (dev) */ |
| EXCLUSIVE_PCI_IRQS, /* IRQs devoted exclusively to PCI usage */ |
| 0x1078, /* Vendor */ |
| 0x0002, /* Device */ |
| 0, /* Miniport data */ |
| {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* u8 rfu[11] */ |
| 0x62, /* u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ |
| |
| .slots = { |
| [0] = { |
| .slot = 0x0, /* means also "on board" */ |
| .bus = 0x00, |
| .devfn = (0x01<<3)|0x0, /* 0x01 is CS5536 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQA, |
| .bitmap = IRQ_BITMAP_LINKA |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| } |
| } |
| }, |
| |
| [1] = { |
| .slot = 0x0, /* means also "on board" */ |
| .bus = 0x00, |
| .devfn = (0x0f<<3)|0x0, /* 0x0f is CS5536 (USB, AUDIO) */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_PIRQB, /* Audio */ |
| .bitmap = IRQ_BITMAP_LINKB |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_PIRQD, /* USB */ |
| .bitmap = IRQ_BITMAP_LINKD |
| } |
| } |
| }, |
| |
| [2] = { |
| .slot = 0x0, /* means also "on board" */ |
| .bus = 0x00, |
| .devfn = (0x0e<<3)|0x0, /* 0x0e is eth0 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQD, |
| .bitmap = IRQ_BITMAP_LINKD |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| } |
| } |
| }, |
| |
| [3] = { |
| .slot = 0x0, /* means also "on board" */ |
| .bus = 0x00, |
| .devfn = (0x10<<3)|0x0, /* 0x10 is eth1 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQB, |
| .bitmap = IRQ_BITMAP_LINKB |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| } |
| } |
| }, |
| |
| [4] = { |
| .slot = 0x0, /* means also "on board" */ |
| .bus = 0x00, |
| .devfn = (0x11<<3)|0x0, /* 0x11 is SATA */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQA, |
| .bitmap = IRQ_BITMAP_LINKA |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_NONE, |
| .bitmap = IRQ_BITMAP_NOLINK |
| } |
| } |
| }, |
| |
| /* |
| * ################### backplane ################### |
| */ |
| |
| /* |
| * PCI1 |
| */ |
| [5] = { |
| .slot = 0x1, /* This is real PCI slot. */ |
| .bus = 0x00, |
| .devfn = (0x09<<3)|0x0, /* 0x09 is PCI1 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQA, |
| .bitmap = IRQ_BITMAP_LINKA |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_PIRQB, |
| .bitmap = IRQ_BITMAP_LINKB |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_PIRQC, |
| .bitmap = IRQ_BITMAP_LINKC |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_PIRQD, |
| .bitmap = IRQ_BITMAP_LINKD |
| } |
| } |
| }, |
| /* |
| * PCI2 |
| */ |
| [6] = { |
| .slot = 0x2, /* This is real PCI slot. */ |
| .bus = 0x00, |
| .devfn = (0x0a<<3)|0x0, /* 0x0a is PCI2 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQD, |
| .bitmap = IRQ_BITMAP_LINKD |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_PIRQA, |
| .bitmap = IRQ_BITMAP_LINKA |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_PIRQB, |
| .bitmap = IRQ_BITMAP_LINKB |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_PIRQC, |
| .bitmap = IRQ_BITMAP_LINKC |
| } |
| } |
| }, |
| /* |
| * PCI3 |
| */ |
| [7] = { |
| .slot = 0x3, /* This is real PCI slot. */ |
| .bus = 0x00, |
| .devfn = (0x0b<<3)|0x0, /* 0x0b is PCI3 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQC, |
| .bitmap = IRQ_BITMAP_LINKC |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_PIRQD, |
| .bitmap = IRQ_BITMAP_LINKD |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_PIRQA, |
| .bitmap = IRQ_BITMAP_LINKA |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_PIRQB, |
| .bitmap = IRQ_BITMAP_LINKB |
| } |
| } |
| }, |
| /* |
| * PCI4 |
| */ |
| [8] = { |
| .slot = 0x4, /* This is real PCI slot. */ |
| .bus = 0x00, |
| .devfn = (0x0c<<3)|0x0, /* 0x0c is PCI4 */ |
| .irq = { |
| [0] = { /* <-- 0 means this is INTA# output from the device or slot */ |
| .link = LINK_PIRQB, |
| .bitmap = IRQ_BITMAP_LINKB |
| }, |
| [1] = { /* <-- 1 means this is INTB# output from the device or slot */ |
| .link = LINK_PIRQC, |
| .bitmap = IRQ_BITMAP_LINKC |
| }, |
| [2] = { /* <-- 2 means this is INTC# output from the device or slot */ |
| .link = LINK_PIRQD, |
| .bitmap = IRQ_BITMAP_LINKD |
| }, |
| [3] = { /* <-- 3 means this is INTD# output from the device or slot */ |
| .link = LINK_PIRQA, |
| .bitmap = IRQ_BITMAP_LINKA |
| } |
| } |
| }, |
| } |
| }; |
| |
| unsigned long write_pirq_routing_table(unsigned long addr) |
| { |
| /* Put the PIR table in memory and checksum. */ |
| return copy_pirq_routing_table(addr, &intel_irq_routing_table); |
| } |
