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Work around a firmware bug on the AlphaServer 1000A whereby the 

built-in ISA display is reported incorrectly.
This commit is contained in:
thorpej 2001-04-19 18:02:57 +00:00
parent 115d871078
commit 8acff45e10
1 changed files with 17 additions and 8 deletions
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25
sys/arch/alpha/alpha/dec_1000a.c
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@ -1,4 +1,4 @@
/* $NetBSD: dec_1000a.c,v 1.9 2000/06/25 17:21:56 thorpej Exp $ */
/* $NetBSD: dec_1000a.c,v 1.10 2001/04/19 18:02:57 thorpej Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -70,7 +70,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: dec_1000a.c,v 1.9 2000/06/25 17:21:56 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: dec_1000a.c,v 1.10 2001/04/19 18:02:57 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -204,13 +204,22 @@ dec_1000a_cons_init()
/* XXX */
(void) pckbc_cnattach(iot, IO_KBD, KBCMDP, PCKBC_KBD_SLOT);
if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
CTB_TURBOSLOT_TYPE_ISA)
isa_display_console(iot, memt);
else
pci_display_console(iot, memt,
pcichipset, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
/*
* AlphaServer 1000s have a firmware bug whereby the
* built-in ISA VGA is reported incorrectly -- ctb_turboslot
* is mostly 0.
*/
switch (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot)) {
case CTB_TURBOSLOT_TYPE_PCI:
pci_display_console(iot, memt, pcichipset,
CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
break;
default:
isa_display_console(iot, memt);
break;
}
#else
panic("not configured to use display && keyboard console");
#endif