diff options
| author | Christopher Pascoe <pascoe@cvs.openbsd.org> | 2007-03-05 06:06:14 +0000 |
|---|---|---|
| committer | Christopher Pascoe <pascoe@cvs.openbsd.org> | 2007-03-05 06:06:14 +0000 |
| commit | 9379313426d0d7a7c96c9988500c6afd306f8da7 (patch) | |
| tree | 9c02cdfaf8d022493c7c65a4897f2faa7c5fd446 /sys | |
| parent | b43efacdc812b6a3f746e170328bab9ee423e507 (diff) | |
Recognise ATAPI device signatures.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/ahci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/dev/pci/ahci.c b/sys/dev/pci/ahci.c index 08cec427a88..4a316acba45 100644 --- a/sys/dev/pci/ahci.c +++ b/sys/dev/pci/ahci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ahci.c,v 1.64 2007/03/04 14:49:46 pascoe Exp $ */ +/* $OpenBSD: ahci.c,v 1.65 2007/03/05 06:06:13 pascoe Exp $ */ /* * Copyright (c) 2006 David Gwynne <dlg@openbsd.org> @@ -1372,11 +1372,16 @@ ahci_ata_probe(void *xsc, int port) { struct ahci_softc *sc = xsc; struct ahci_port *ap = sc->sc_ports[port]; + u_int32_t sig; if (ap == NULL) return (ATA_PORT_T_NONE); - return (ATA_PORT_T_DISK); + sig = ahci_pread(ap, AHCI_PREG_SIG); + if ((sig & 0xffff0000) == 0xeb140000) + return ATA_PORT_T_ATAPI; + else + return ATA_PORT_T_DISK; } int |