projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c7d3555a HC |
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 | { | |
| 53f0a509 BH |
43 | struct resource *res = &pdev->resource[PCI_ROM_RESOURCE]; |
| 44 | ||
| 45 | if (res->start) | |
| c7d3555a HC |
46 | return; |
| 47 | ||
| 48 | if (!loongson_sysconf.vgabios_addr) | |
| 49 | return; | |
| 50 | ||
| 97f47e73 BH |
51 | pci_disable_rom(pdev); |
| 52 | if (res->parent) | |
| 53 | release_resource(res); | |
| 54 | ||
| 55 | res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr); | |
| 53f0a509 | 56 | res->end = res->start + 256*1024 - 1; |
| 97f47e73 BH |
57 | res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW | |
| 58 | IORESOURCE_PCI_FIXED; | |
| c7d3555a HC |
59 | |
| 60 | dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n", | |
| 53f0a509 | 61 | PCI_ROM_RESOURCE, res); |
| c7d3555a HC |
62 | } |
| 63 | ||
| 64 | DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, | |
| 65 | PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon); | |
| 66 | ||
| 67 | /* Do platform specific device initialization at pci_enable_device() time */ | |
| 68 | int pcibios_plat_dev_init(struct pci_dev *dev) | |
| 69 | { | |
| 70 | return 0; | |
| 71 | } |