| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * BRIEF MODULE DESCRIPTION |
| 3 | * Board specific pci fixups. |
| 4 | * |
| 5 | * Copyright 2000 MontaVista Software Inc. |
| 6 | * Author: MontaVista Software, Inc. |
| 7 | * ppopov@mvista.com or source@mvista.com |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License as published by the |
| 11 | * Free Software Foundation; either version 2 of the License, or (at your |
| 12 | * option) any later version. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 15 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 16 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 17 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 20 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 21 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License along |
| 26 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 27 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 28 | */ |
| 29 | #include <linux/types.h> |
| 30 | #include <linux/pci.h> |
| 31 | #include <linux/kernel.h> |
| 32 | #include <linux/init.h> |
| 33 | |
| 34 | #include <asm/it8172/it8172.h> |
| 35 | #include <asm/it8172/it8172_pci.h> |
| 36 | #include <asm/it8172/it8172_int.h> |
| 37 | |
| 38 | /* |
| 39 | * Shortcuts |
| 40 | */ |
| 41 | #define INTA IT8172_PCI_INTA_IRQ |
| 42 | #define INTB IT8172_PCI_INTB_IRQ |
| 43 | #define INTC IT8172_PCI_INTC_IRQ |
| 44 | #define INTD IT8172_PCI_INTD_IRQ |
| 45 | |
| 46 | static const int internal_func_irqs[7] __initdata = { |
| 47 | IT8172_AC97_IRQ, |
| 48 | IT8172_DMA_IRQ, |
| 49 | IT8172_CDMA_IRQ, |
| 50 | IT8172_USB_IRQ, |
| 51 | IT8172_BRIDGE_MASTER_IRQ, |
| 52 | IT8172_IDE_IRQ, |
| 53 | IT8172_MC68K_IRQ |
| 54 | }; |
| 55 | |
| 56 | static char irq_tab_ite8172g[][5] __initdata = { |
| 57 | [0x10] = { 0, INTA, INTB, INTC, INTD }, |
| 58 | [0x11] = { 0, INTA, INTB, INTC, INTD }, |
| 59 | [0x12] = { 0, INTB, INTC, INTD, INTA }, |
| 60 | [0x13] = { 0, INTC, INTD, INTA, INTB }, |
| 61 | [0x14] = { 0, INTD, INTA, INTB, INTC }, |
| 62 | }; |
| 63 | |
| 64 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) |
| 65 | { |
| 66 | /* |
| 67 | * Internal device 1 is actually 7 different internal devices on the |
| 68 | * IT8172G (a multifunction device). |
| 69 | */ |
| 70 | if (slot == 1) |
| 71 | return internal_func_irqs[PCI_FUNC(dev->devfn)]; |
| 72 | |
| 73 | return irq_tab_ite8172g[slot][pin]; |
| 74 | } |
| 75 | |
| 76 | /* Do platform specific device initialization at pci_enable_device() time */ |
| 77 | int pcibios_plat_dev_init(struct pci_dev *dev) |
| 78 | { |
| 79 | return 0; |
| 80 | } |