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-rw-r--r--drivers/ide/pci/piix.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index edb37f3d558..236d8fd4e72 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -539,13 +539,19 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
/* 0 */ DECLARE_PIIX_DEV("PIIXa"),
/* 1 */ DECLARE_PIIX_DEV("PIIXb"),
- { /* 2 */
+ /* 2 */
+ { /*
+ * MPIIX actually has only a single IDE channel mapped to
+ * the primary or secondary ports depending on the value
+ * of the bit 14 of the IDETIM register at offset 0x6c
+ */
.name = "MPIIX",
.init_hwif = init_hwif_piix,
.channels = 2,
.autodma = NODMA,
- .enablebits = {{0x6D,0x80,0x80}, {0x6F,0x80,0x80}},
+ .enablebits = {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}},
.bootable = ON_BOARD,
+ .flags = IDEPCI_FLAG_ISA_PORTS
},
/* 3 */ DECLARE_PIIX_DEV("PIIX3"),