| Huacai Chen | c7d3555 | 2014-03-21 18:44:03 +0800 | [diff] [blame] | 1 | /* |
| 2 | * fixup-loongson3.c |
| 3 | * |
| 4 | * Copyright (C) 2012 Lemote, Inc. |
| 5 | * Author: Xiang Yu, xiangy@lemote.com |
| 6 | * Chen Huacai, chenhc@lemote.com |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 14 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 15 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 16 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 19 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 20 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #include <linux/pci.h> |
| 27 | #include <boot_param.h> |
| 28 | |
| 29 | static void print_fixup_info(const struct pci_dev *pdev) |
| 30 | { |
| 31 | dev_info(&pdev->dev, "Device %x:%x, irq %d\n", |
| 32 | pdev->vendor, pdev->device, pdev->irq); |
| 33 | } |
| 34 | |
| 35 | int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 36 | { |
| 37 | print_fixup_info(dev); |
| 38 | return dev->irq; |
| 39 | } |
| 40 | |
| 41 | static void pci_fixup_radeon(struct pci_dev *pdev) |
| 42 | { |
| 43 | if (pdev->resource[PCI_ROM_RESOURCE].start) |
| 44 | return; |
| 45 | |
| 46 | if (!loongson_sysconf.vgabios_addr) |
| 47 | return; |
| 48 | |
| 49 | pdev->resource[PCI_ROM_RESOURCE].start = |
| 50 | loongson_sysconf.vgabios_addr; |
| 51 | pdev->resource[PCI_ROM_RESOURCE].end = |
| 52 | loongson_sysconf.vgabios_addr + 256*1024 - 1; |
| 53 | pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_COPY; |
| 54 | |
| 55 | dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n", |
| 56 | PCI_ROM_RESOURCE, &pdev->resource[PCI_ROM_RESOURCE]); |
| 57 | } |
| 58 | |
| 59 | DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, |
| 60 | PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon); |
| 61 | |
| 62 | /* Do platform specific device initialization at pci_enable_device() time */ |
| 63 | int pcibios_plat_dev_init(struct pci_dev *dev) |
| 64 | { |
| 65 | return 0; |
| 66 | } |