diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch b/target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch new file mode 100644 index 0000000000..7139f3c715 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch @@ -0,0 +1,49 @@ +Index: linux-2.6.22-rc5/drivers/ssb/driver_pcicore.c +=================================================================== +--- linux-2.6.22-rc5.orig/drivers/ssb/driver_pcicore.c 2007-06-10 16:44:31.000000000 +0100 ++++ linux-2.6.22-rc5/drivers/ssb/driver_pcicore.c 2007-06-24 20:07:15.000000000 +0100 +@@ -93,6 +93,9 @@ + + /* 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); + +@@ -110,7 +113,7 @@ + + 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 @@ + val = *((const u32 *)buf); + break; + } +- writel(*((const u32 *)buf), mmio); ++ writel(val, mmio); + + err = 0; + unmap: +@@ -307,6 +310,8 @@ + 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 @@ + * 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); + } + |