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| author | sobomax <sobomax@FreeBSD.org> | 2003-03-12 17:20:24 +0000 |
|---|---|---|
| committer | sobomax <sobomax@FreeBSD.org> | 2003-03-12 17:20:24 +0000 |
| commit | de3d1a536aef17d1ad96cac5619a19b76c1420c6 (patch) | |
| tree | b40fb1c7e547d235360694755185d79c260153e2 /sys/dev/sio/sio.c | |
| parent | dbc219492a33427843d01395ac0329949ba88a72 (diff) | |
| download | FreeBSD-src-de3d1a536aef17d1ad96cac5619a19b76c1420c6.zip FreeBSD-src-de3d1a536aef17d1ad96cac5619a19b76c1420c6.tar.gz | |
Add initial support for IC Book Labs Dreadnought x16 Pro 16-ports card. Since
this card is based on 16750 UART, modify sio(4) a bit to ignore 16750-specific
7th bit of MCR when probing card. This allows card to be detected and attached
as 16550A-compatible device. More work needs to be done in order to enable
nice 16750-specific features such as larger fifo buffer and higher speeds.
Sponsored by: IC Book Labs
MFC after: 2 weeks
Diffstat (limited to 'sys/dev/sio/sio.c')
| -rw-r--r-- | sys/dev/sio/sio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c index b3d8d21..f5e7363 100644 --- a/sys/dev/sio/sio.c +++ b/sys/dev/sio/sio.c @@ -730,7 +730,7 @@ sioprobe(dev, xrid, rclk, noprobe) /* EXTRA DELAY? */ failures[0] = sio_getreg(com, com_cfcr) - CFCR_8BITS; failures[1] = sio_getreg(com, com_ier) - IER_ETXRDY; - failures[2] = sio_getreg(com, com_mcr) - mcr_image; + failures[2] = (sio_getreg(com, com_mcr) & 0x7f) - mcr_image; DELAY(10000); /* Some internal modems need this time */ irqmap[1] = isa_irq_pending(); failures[4] = (sio_getreg(com, com_iir) & IIR_IMASK) - IIR_TXRDY; |
