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When setting up to probe a com(4) port for use as the console, make sure

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the port is powered up and configured correctly.
This commit is contained in:
scw 2002-10-19 08:39:50 +00:00
parent abbf53bb9c
commit 472a1ad6b2
1 changed files with 25 additions and 1 deletions
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26
sys/arch/evbsh5/dev/superio.c
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@ -1,4 +1,4 @@
/* $NetBSD: superio.c,v 1.10 2002/10/14 14:19:29 scw Exp $ */
/* $NetBSD: superio.c,v 1.11 2002/10/19 08:39:50 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -672,6 +672,7 @@ superio_console_tag(bus_space_tag_t bt, int port,
static struct superio_softc sc;
bus_addr_t base;
u_int8_t reg;
int i;
if (bus_space_subregion(bt, _evbsh5_bh_sysfpga,
SYSFPGA_OFFSET_SUPERIO, SUPERIO_REG_SZ, &sc.sc_bush))
@ -704,6 +705,29 @@ superio_console_tag(bus_space_tag_t bt, int port,
reg |= (1 << (4 + port));
superio_cfgreg_write(&sc, SUPERIO_GLBL_REG_POWER_CTRL, reg);
for (i = 0; i < SUPERIO_NDEVS; i++) {
if (superio_devs[i].sd_bar0 != base)
continue;
superio_cfgreg_write(&sc, SUPERIO_GLBL_REG_LDN, i);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_BAR0_HI,
(superio_devs[i].sd_bar0 >> 8) & 0xff);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_BAR0_LO,
superio_devs[i].sd_bar0 & 0xff);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_BAR1_HI,
(superio_devs[i].sd_bar1 >> 8) & 0xff);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_BAR1_LO,
superio_devs[i].sd_bar1 & 0xff);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_INT0_SEL,
superio_devs[i].sd_irq0);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_INT1_SEL,
superio_devs[i].sd_irq1);
superio_cfgreg_write(&sc, SUPERIO_DEV_REG_ACTIVATE, 1);
break;
}
superio_cfgmode_disable(&sc);
return (0);