diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/pcie.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index ca294ff..a881c54 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -12,6 +12,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/mbus.h> +#include <video/vga.h> #include <asm/irq.h> #include <asm/mach/pci.h> #include <plat/pcie.h> @@ -212,14 +213,19 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) return 1; } +/* + * The root complex has a hardwired class of PCI_CLASS_MEMORY_OTHER, when it + * is operating as a root complex this needs to be switched to + * PCI_CLASS_BRIDGE_HOST or Linux will errantly try to process the BAR's on + * the device. Decoding setup is handled by the orion code. + */ static void __devinit rc_pci_fixup(struct pci_dev *dev) { - /* - * Prevent enumeration of root complex. - */ if (dev->bus->parent == NULL && dev->devfn == 0) { int i; + dev->class &= 0xff; + dev->class |= PCI_CLASS_BRIDGE_HOST << 8; for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { dev->resource[i].start = 0; dev->resource[i].end = 0; @@ -244,7 +250,8 @@ kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys) return bus; } -static int __init kirkwood_pcie_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +static int __init kirkwood_pcie_map_irq(const struct pci_dev *dev, u8 slot, + u8 pin) { struct pcie_port *pp = bus_to_port(dev->bus); @@ -271,6 +278,8 @@ static void __init add_pcie_port(int index, unsigned long base) void __init kirkwood_pcie_init(unsigned int portmask) { + vga_base = KIRKWOOD_PCIE_MEM_PHYS_BASE; + if (portmask & KW_PCIE0) add_pcie_port(0, PCIE_VIRT_BASE); |