From 4f961361c67ed753665460cedf06a660adfc8610 Mon Sep 17 00:00:00 2001
From: juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 1 Oct 2009 19:41:00 +0000
Subject: [PATCH] ar71xx: add PCI Host Controller fixup for ar724x
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17808 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../ar71xx/files/arch/mips/pci/pci-ar724x.c | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
index 02f3a8cc4..139af940a 100644
--- a/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
+++ b/target/linux/ar71xx/files/arch/mips/pci/pci-ar724x.c
@@ -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;
--
2.20.1