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Use BAT1 to map the primary I/O segment at 0x80000000 so we don't have to 

bat-flip for those accesses.
This commit is contained in:
matt 2002-04-25 19:32:59 +00:00
parent 4a46e19dcf
commit f53d9a4fa7
1 changed files with 4 additions and 1 deletions
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5
sys/arch/macppc/macppc/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.111 2002/04/23 12:41:05 kleink Exp $ */
/* $NetBSD: machdep.c,v 1.112 2002/04/25 19:32:59 matt Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -218,6 +218,9 @@ initppc(startkernel, endkernel, args)
asm volatile ("mtibatl 0,%0; mtibatu 0,%1;"
"mtdbatl 0,%0; mtdbatu 0,%1;"
:: "r"(battable[0].batl), "r"(battable[0].batu));
/* BAT1 used for primary I/O 256 MB segment */
asm volatile ("mtdbatl 1,%0; mtdbatu 1,%1;"
:: "r"(battable[8].batl), "r"(battable[8].batu));
/*
* Set up battable to map all RAM regions.