diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/via/vt8237r/vt8237r_early_smbus.c | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/src/southbridge/via/vt8237r/vt8237r_early_smbus.c b/src/southbridge/via/vt8237r/vt8237r_early_smbus.c index 4372a4a89d..83eb227932 100644 --- a/src/southbridge/via/vt8237r/vt8237r_early_smbus.c +++ b/src/southbridge/via/vt8237r/vt8237r_early_smbus.c @@ -134,6 +134,21 @@ u8 smbus_read_byte(u8 dimm, u8 offset) #define PSONREADY_TIMEOUT 0x7fffffff +static device_t get_vt8237_lpc(void) +{ + device_t dev; + + /* Power management controller */ + dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_VT8237R_LPC), 0); + if (dev != PCI_DEV_INVALID) + return dev; + + dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_VT8237S_LPC), 0); + return dev; +} + /** * Enable the SMBus on VT8237R-based systems. */ @@ -143,15 +158,9 @@ void enable_smbus(void) int loops; /* Power management controller */ - dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_VT8237R_LPC), 0); - if (dev == PCI_DEV_INVALID) { - /* Power management controller */ - dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_VT8237S_LPC), 0); - if (dev == PCI_DEV_INVALID) - die("Power management controller not found\n"); - } + dev = get_vt8237_lpc(); + if (dev == PCI_DEV_INVALID) + die("Power management controller not found\n"); /* Make sure the RTC power well is up before touching smbus. */ loops = 0; @@ -292,15 +301,9 @@ void enable_rom_decode(void) device_t dev; /* Power management controller */ - dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_VT8237R_LPC), 0); - if (dev == PCI_DEV_INVALID) { - /* Power management controller */ - dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_VT8237S_LPC), 0); - if (dev == PCI_DEV_INVALID) - return; - } + dev = get_vt8237_lpc(); + if (dev == PCI_DEV_INVALID) + return; /* ROM decode last 1MB FFC00000 - FFFFFFFF. */ pci_write_config8(dev, 0x41, 0x7f); @@ -316,15 +319,9 @@ static int acpi_is_wakeup_early(void) { print_debug("IN TEST WAKEUP\n"); /* Power management controller */ - dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_VT8237R_LPC), 0); - if (dev == PCI_DEV_INVALID) { - /* Power management controller */ - dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_VT8237S_LPC), 0); - if (dev == PCI_DEV_INVALID) - die("Power management controller not found\n"); - } + dev = get_vt8237_lpc(); + if (dev == PCI_DEV_INVALID) + die("Power management controller not found\n"); /* Set ACPI base address to I/O VT8237R_ACPI_IO_BASE. */ pci_write_config16(dev, 0x88, VT8237R_ACPI_IO_BASE | 0x1); |