diff options
| -rw-r--r-- | sound/pci/oxygen/oxygen_lib.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c index d10cc6ee1a6..e5ebe56fb0c 100644 --- a/sound/pci/oxygen/oxygen_lib.c +++ b/sound/pci/oxygen/oxygen_lib.c @@ -310,8 +310,10 @@ static void oxygen_restore_eeprom(struct oxygen *chip, static void configure_pcie_bridge(struct pci_dev *pci) { - enum { PI7C9X110 }; + enum { PEX811X, PI7C9X110 }; static const struct pci_device_id bridge_ids[] = { + { PCI_VDEVICE(PLX, 0x8111), .driver_data = PEX811X }, + { PCI_VDEVICE(PLX, 0x8112), .driver_data = PEX811X }, { PCI_DEVICE(0x12d8, 0xe110), .driver_data = PI7C9X110 }, { } }; @@ -328,6 +330,19 @@ static void configure_pcie_bridge(struct pci_dev *pci) return; switch (id->driver_data) { + case PEX811X: /* PLX PEX8111/PEX8112 PCIe/PCI bridge */ + pci_read_config_dword(bridge, 0x48, &tmp); + tmp |= 1; /* enable blind prefetching */ + tmp |= 1 << 11; /* enable beacon generation */ + pci_write_config_dword(bridge, 0x48, tmp); + + pci_write_config_dword(bridge, 0x84, 0x0c); + pci_read_config_dword(bridge, 0x88, &tmp); + tmp &= ~(7 << 27); + tmp |= 2 << 27; /* set prefetch size to 128 bytes */ + pci_write_config_dword(bridge, 0x88, tmp); + break; + case PI7C9X110: /* Pericom PI7C9X110 PCIe/PCI bridge */ pci_read_config_dword(bridge, 0x40, &tmp); tmp |= 1; /* park the PCI arbiter to the sound chip */ |