diff options
| author | kato <kato@FreeBSD.org> | 1999-01-03 17:26:04 +0000 |
|---|---|---|
| committer | kato <kato@FreeBSD.org> | 1999-01-03 17:26:04 +0000 |
| commit | f8af2f87d083d7e65c607a20dbd9c5a877840e99 (patch) | |
| tree | 6770d52509348a9dbf14a6c595111527286bf21f /sys/pc98 | |
| parent | ea1bd971b492ea9b48b61920cb30a83763fd546d (diff) | |
| download | FreeBSD-src-f8af2f87d083d7e65c607a20dbd9c5a877840e99.zip FreeBSD-src-f8af2f87d083d7e65c607a20dbd9c5a877840e99.tar.gz | |
Recognize IDE controler even if HDD is not connected.
Submitted by: IMAI Takeshi <take-i@ceres.dti.ne.jp>
Diffstat (limited to 'sys/pc98')
| -rw-r--r-- | sys/pc98/pc98/wd.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sys/pc98/pc98/wd.c b/sys/pc98/pc98/wd.c index e4648d6..bcf6733 100644 --- a/sys/pc98/pc98/wd.c +++ b/sys/pc98/pc98/wd.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)wd.c 7.2 (Berkeley) 5/9/91 - * $Id: wd.c,v 1.67 1998/12/17 08:42:10 kato Exp $ + * $Id: wd.c,v 1.68 1998/12/25 09:05:17 kato Exp $ */ /* TODO: @@ -381,9 +381,11 @@ wdprobe(struct isa_device *dvp) } } du->dk_altport = du->dk_port + wd_ctlr; +#if 0 if ((PC98_SYSTEM_PARAMETER(0x55d) & 3) == 0) { goto nodevice; } +#endif outb(0x432,(du->dk_unit)%2); #else /* IBM-PC */ outb(du->dk_port + wd_sdh, WDSD_IBM); /* set unit 0 */ @@ -407,11 +409,31 @@ wdprobe(struct isa_device *dvp) if (inb(du->dk_port + wd_cyl_lo) == 0x14 && inb(du->dk_port + wd_cyl_hi) == 0xeb) goto reset_ok; +#ifdef PC98 + du->dk_unit = 2; +#else du->dk_unit = 1; +#endif outb(du->dk_port + wd_sdh, WDSD_IBM | 0x10); /* slave */ if (inb(du->dk_port + wd_cyl_lo) == 0x14 && inb(du->dk_port + wd_cyl_hi) == 0xeb) goto reset_ok; +#ifdef PC98 + du->dk_unit = 1; + outb(0x432,(du->dk_unit)%2); + if (wdreset(du) == 0) + goto reset_ok; + /* test for ATAPI signature */ + outb(du->dk_port + wd_sdh, WDSD_IBM); /* master */ + if (inb(du->dk_port + wd_cyl_lo) == 0x14 && + inb(du->dk_port + wd_cyl_hi) == 0xeb) + goto reset_ok; + du->dk_unit = 3; + outb(du->dk_port + wd_sdh, WDSD_IBM | 0x10); /* slave */ + if (inb(du->dk_port + wd_cyl_lo) == 0x14 && + inb(du->dk_port + wd_cyl_hi) == 0xeb) + goto reset_ok; +#endif #endif DELAY(RECOVERYTIME); if (wdreset(du) != 0) { |
