diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2004-01-26 22:58:16 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2004-01-26 22:58:16 +0000 |
| commit | c658dbd468a2f7a4d160f6711db1796c8b6dbbbc (patch) | |
| tree | 38fa955083b7d1ca4e1f639bdc35b2c1441b07d1 | |
| parent | fc544632966d52e6a500b4b43dae6a159c426d68 (diff) | |
Map segment 8 with a BAT again for now, for NVRAM access. This is only
temporary.
| -rw-r--r-- | sys/arch/mvmeppc/mvmeppc/machdep.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/arch/mvmeppc/mvmeppc/machdep.c b/sys/arch/mvmeppc/mvmeppc/machdep.c index f83c4828a2b..c9a96af4525 100644 --- a/sys/arch/mvmeppc/mvmeppc/machdep.c +++ b/sys/arch/mvmeppc/mvmeppc/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.41 2004/01/25 23:04:11 miod Exp $ */ +/* $OpenBSD: machdep.c,v 1.42 2004/01/26 22:58:15 miod Exp $ */ /* $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $ */ /* @@ -163,7 +163,7 @@ struct extent *devio_ex; static int devio_malloc_safe = 0; /* HACK - XXX */ -int segment8_mapped = 0; +int segment8_mapped = 1; int segmentC_mapped = 0; void @@ -217,6 +217,8 @@ initppc(startkernel, endkernel, args) */ battable[0].batl = BATL(0x00000000, BAT_M); battable[0].batu = BATU(0x00000000); + battable[8].batl = BATL(0x80000000, BAT_I); + battable[8].batu = BATU(0x80000000); /* * Now setup fixed bat registers @@ -232,6 +234,10 @@ initppc(startkernel, endkernel, args) ppc_mtdbat0l(battable[0].batl); ppc_mtdbat0u(battable[0].batu); + /* DBAT2 used for ISA space */ + ppc_mtdbat2l(battable[8].batl); + ppc_mtdbat2u(battable[8].batu); + /* * Set up trap vectors */ @@ -298,7 +304,7 @@ initppc(startkernel, endkernel, args) pmap_bootstrap(startkernel, endkernel); #if 1 - /* MVME2[67]00 max out at 256MB */ + /* MVME2[67]00 max out at 256MB, and we need BAT2 for now. */ #else /* use BATs to map 1GB memory, no pageable BATs now */ if (physmem > btoc(0x10000000)) { |