diff options
Diffstat (limited to 'sys/dev/isa')
| -rw-r--r-- | sys/dev/isa/fd.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/sys/dev/isa/fd.c b/sys/dev/isa/fd.c index 4d2a8d9fe9a..748cd8a1471 100644 --- a/sys/dev/isa/fd.c +++ b/sys/dev/isa/fd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fd.c,v 1.19 1996/08/07 15:54:41 deraadt Exp $ */ +/* $OpenBSD: fd.c,v 1.20 1996/08/29 18:03:27 downsj Exp $ */ /* $NetBSD: fd.c,v 1.90 1996/05/12 23:12:03 mycroft Exp $ */ /*- @@ -291,6 +291,7 @@ fdcforceintr(aux) */ struct fdc_attach_args { int fa_drive; + int fa_flags; struct fd_type *fa_deftype; }; @@ -358,6 +359,7 @@ fdcattach(parent, self, aux) /* physical limit: four drives per controller. */ for (fa.fa_drive = 0; fa.fa_drive < 4; fa.fa_drive++) { + fa.fa_flags = 0; if (type >= 0 && fa.fa_drive < 2) fa.fa_deftype = fd_nvtotype(fdc->sc_dev.dv_xname, type, fa.fa_drive); @@ -390,6 +392,11 @@ fdprobe(parent, match, aux) if (cf->cf_loc[0] == -1 && drive >= 2) return 0; + /* + * We want to keep the flags config gave us. + */ + fa->fa_flags = cf->cf_flags; + /* select drive and turn on motor */ bus_io_write_1(bc, ioh, fdout, drive | FDO_FRST | FDO_MOEN(drive)); /* wait for motor to spin up */ @@ -431,7 +438,24 @@ fdattach(parent, self, aux) struct fd_type *type = fa->fa_deftype; int drive = fa->fa_drive; - /* XXX Allow `flags' to override device type? */ + if (!type || (fa->fa_flags & 0x10)) { + /* The config has overridden this. */ + switch (fa->fa_flags & 0x07) { + /* 1 is reserved for 2.88MB */ + case 2: /* 1.44MB */ + type = &fd_types[0]; + break; + case 3: /* 1.2MB */ + type = &fd_types[1]; + break; + case 4: /* 720K */ + type = &fd_types[4]; + break; + case 5: /* 360K */ + type = &fd_types[3]; + break; + } + } if (type) printf(": %s %d cyl, %d head, %d sec\n", type->name, |