| /* |
| * fixup-loongson3.c |
| * |
| * Copyright (C) 2012 Lemote, Inc. |
| * Author: Xiang Yu, xiangy@lemote.com |
| * Chen Huacai, chenhc@lemote.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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include <linux/pci.h> |
| #include <boot_param.h> |
| |
| static void print_fixup_info(const struct pci_dev *pdev) |
| { |
| dev_info(&pdev->dev, "Device %x:%x, irq %d\n", |
| pdev->vendor, pdev->device, pdev->irq); |
| } |
| |
| int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| { |
| print_fixup_info(dev); |
| return dev->irq; |
| } |
| |
| static void pci_fixup_radeon(struct pci_dev *pdev) |
| { |
| struct resource *res = &pdev->resource[PCI_ROM_RESOURCE]; |
| |
| if (res->start) |
| return; |
| |
| if (!loongson_sysconf.vgabios_addr) |
| return; |
| |
| pci_disable_rom(pdev); |
| if (res->parent) |
| release_resource(res); |
| |
| res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr); |
| res->end = res->start + 256*1024 - 1; |
| res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW | |
| IORESOURCE_PCI_FIXED; |
| |
| dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n", |
| PCI_ROM_RESOURCE, res); |
| } |
| |
| DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, |
| PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon); |
| |
| /* Do platform specific device initialization at pci_enable_device() time */ |
| int pcibios_plat_dev_init(struct pci_dev *dev) |
| { |
| return 0; |
| } |