diff options
Diffstat (limited to 'arch/i386/pci/early.c')
| -rw-r--r-- | arch/i386/pci/early.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/pci/early.c b/arch/i386/pci/early.c index 713d6c866ca..42df4b6606d 100644 --- a/arch/i386/pci/early.c +++ b/arch/i386/pci/early.c @@ -45,6 +45,13 @@ void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, outl(val, 0xcfc); } +void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val) +{ + PDprintk("%x writing to %x: %x\n", slot, offset, val); + outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); + outb(val, 0xcfc); +} + int early_pci_allowed(void) { return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) == |