diff options
Diffstat (limited to 'target/linux/generic-2.6/files/drivers')
| -rw-r--r-- | target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c b/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c index a59dff083e..4a5f48c901 100644 --- a/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c +++ b/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c @@ -93,10 +93,13 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev) /* Enable PCI bridge BAR1 prefetch and burst */ pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); + + /* Make sure our latency is high enough to handle the devices behind us */ + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8); } DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); -int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { return ssb_mips_irq(extpci_core->dev) + 2; } @@ -110,7 +113,7 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc, if (unlikely(pc->cardbusmode && dev > 1)) goto out; - if (bus == 0) { + if (bus == 0) {//FIXME busnumber ok? /* Type 0 transaction */ if (unlikely(dev >= SSB_PCI_SLOT_MAX)) goto out; @@ -224,7 +227,7 @@ static int ssb_extpci_write_config(struct ssb_pcicore *pc, val = *((const u32 *)buf); break; } - writel(*((const u32 *)buf), mmio); + writel(val, mmio); err = 0; unmap: @@ -307,6 +310,8 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) udelay(150); val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */ pcicore_write32(pc, SSB_PCICORE_CTL, val); + val = SSB_PCICORE_ARBCTL_INTERN; + pcicore_write32(pc, SSB_PCICORE_ARBCTL, val); udelay(1); //TODO cardbus mode @@ -336,6 +341,7 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) * The following needs change, if we want to port hostmode * to non-MIPS platform. */ set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000)); + mdelay(300); register_pci_controller(&ssb_pcicore_controller); } |