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-rw-r--r--arch/i386/pci/early.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/pci/early.c b/arch/i386/pci/early.c
index 713d6c866cae..42df4b6606df 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,
45 outl(val, 0xcfc); 45 outl(val, 0xcfc);
46} 46}
47 47
48void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val)
49{
50 PDprintk("%x writing to %x: %x\n", slot, offset, val);
51 outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
52 outb(val, 0xcfc);
53}
54
48int early_pci_allowed(void) 55int early_pci_allowed(void)
49{ 56{
50 return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) == 57 return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) ==