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ar71xx: add PCI Host Controller fixup for ar724x 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17808 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Gabor Juhos 2009-10-01 19:41:00 +00:00
parent 290284a0ea
commit 45e6e81be6
1 changed files with 23 additions and 0 deletions
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23
target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
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@ -29,6 +29,7 @@
static void __iomem *ar724x_pci_localcfg_base;
static void __iomem *ar724x_pci_devcfg_base;
static int ar724x_pci_fixup_enable;
static DEFINE_SPINLOCK(ar724x_pci_lock);
@ -128,6 +129,27 @@ static int ar724x_pci_write_config(struct pci_bus *bus, unsigned int devfn,
return PCIBIOS_SUCCESSFUL;
}
static void ar724x_pci_fixup(struct pci_dev *dev)
{
u32 t;
if (!ar724x_pci_fixup_enable)
return;
if (dev->bus->number != 0 || dev->devfn != 0)
return;
DBG("PCI: fixup host controller %s (%04x:%04x)\n", pci_name(dev),
dev->vendor, dev->device);
/* setup COMMAND register */
t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
| PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
pci_write_config_word(dev, PCI_COMMAND, t);
}
DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ar724x_pci_fixup);
int __init ar724x_pcibios_map_irq(const struct pci_dev *dev, uint8_t slot,
uint8_t pin)
{
@ -195,6 +217,7 @@ int __init ar724x_pcibios_init(void)
ar724x_pci_write(ar724x_pci_localcfg_base, PCI_COMMAND, 4, t);
ar724x_pci_fixup_enable = 1;
register_pci_controller(&ar724x_pci_controller);
return 0;