diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2012-04-18 11:30:02 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2012-04-18 11:30:02 +0000 |
| commit | 3eac4c281f150862ffae2f9003bfe8d93fd85138 (patch) | |
| tree | 5ad17c3833de974afca6769522151b9658d883e4 /sys | |
| parent | 2067120148d5a7d101eb7bbec31e895ac1e3a37c (diff) | |
One more routine needed to cope for CTS and DCD being inverted on IP20.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sgi/hpc/zs.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/arch/sgi/hpc/zs.c b/sys/arch/sgi/hpc/zs.c index ff01333b005..18fabe5e3b1 100644 --- a/sys/arch/sgi/hpc/zs.c +++ b/sys/arch/sgi/hpc/zs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: zs.c,v 1.5 2012/04/15 20:40:39 miod Exp $ */ +/* $OpenBSD: zs.c,v 1.6 2012/04/18 11:30:01 miod Exp $ */ /* $NetBSD: zs.c,v 1.37 2011/02/20 07:59:50 matt Exp $ */ /*- @@ -486,6 +486,14 @@ zs_read_csr(struct zs_chanstate *cs) val = bus_space_read_1(zsc->cs_bustag, zsc->cs_regs, ZS_REG_CSR); ZS_DELAY(); + + /* + * According to IRIX <sys/z8530.h>, on Indigo, the CTS and DCD bits + * are inverted. + */ + if (sys_config.system_type == SGI_IP20) + val ^= ZSRR0_CTS | ZSRR0_DCD; + return val; } |