ar71xx: add PCI Host Controller fixup for ar724x
SVN-Revision: 17808
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1 changed files with 23 additions and 0 deletions
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@ -29,6 +29,7 @@
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static void __iomem *ar724x_pci_localcfg_base;
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static void __iomem *ar724x_pci_devcfg_base;
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static int ar724x_pci_fixup_enable;
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static DEFINE_SPINLOCK(ar724x_pci_lock);
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@ -128,6 +129,27 @@ static int ar724x_pci_write_config(struct pci_bus *bus, unsigned int devfn,
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return PCIBIOS_SUCCESSFUL;
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}
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static void ar724x_pci_fixup(struct pci_dev *dev)
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{
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u32 t;
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if (!ar724x_pci_fixup_enable)
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return;
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if (dev->bus->number != 0 || dev->devfn != 0)
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return;
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DBG("PCI: fixup host controller %s (%04x:%04x)\n", pci_name(dev),
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dev->vendor, dev->device);
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/* setup COMMAND register */
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t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
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| PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
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pci_write_config_word(dev, PCI_COMMAND, t);
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}
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DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ar724x_pci_fixup);
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int __init ar724x_pcibios_map_irq(const struct pci_dev *dev, uint8_t slot,
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uint8_t pin)
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{
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@ -195,6 +217,7 @@ int __init ar724x_pcibios_init(void)
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ar724x_pci_write(ar724x_pci_localcfg_base, PCI_COMMAND, 4, t);
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ar724x_pci_fixup_enable = 1;
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register_pci_controller(&ar724x_pci_controller);
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return 0;
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