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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2007-12-02 13:00:32 +0100
committerRalf Baechle <ralf@linux-mips.org>2008-01-29 11:14:58 +0100
commite2defae5a9b4f8d1acb058be212ef89c8763dc5b (patch)
tree3a0e72b5df8ee181e6c30fb6d1cba636c460a9fd /arch/mips/sgi-ip22/ip22-mc.c
parent[MIPS] Remove CONFIG_SIBYTE_PT{1120,1125,SWARM} (diff)
downloadlinux-e2defae5a9b4f8d1acb058be212ef89c8763dc5b.tar.xz
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[MIPS] IP28 support
Add support for SGI IP28 machines (Indigo 2 with R10k CPUs) This work is mainly based on Peter Fuersts work. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sgi-ip22/ip22-mc.c')
-rw-r--r--arch/mips/sgi-ip22/ip22-mc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip22/ip22-mc.c b/arch/mips/sgi-ip22/ip22-mc.c
index 01a805dcc67c..3f35d6367bec 100644
--- a/arch/mips/sgi-ip22/ip22-mc.c
+++ b/arch/mips/sgi-ip22/ip22-mc.c
@@ -4,6 +4,7 @@
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
* Copyright (C) 1999 Andrew R. Baker (andrewb@uab.edu) - Indigo2 changes
* Copyright (C) 2003 Ladislav Michl (ladis@linux-mips.org)
+ * Copyright (C) 2004 Peter Fuerst (pf@net.alphadv.de) - IP28
*/
#include <linux/init.h>
@@ -137,9 +138,12 @@ void __init sgimc_init(void)
/* Step 2: Enable all parity checking in cpu control register
* zero.
*/
+ /* don't touch parity settings for IP28 */
+#ifndef CONFIG_SGI_IP28
tmp = sgimc->cpuctrl0;
tmp |= (SGIMC_CCTRL0_EPERRGIO | SGIMC_CCTRL0_EPERRMEM |
SGIMC_CCTRL0_R4KNOCHKPARR);
+#endif
sgimc->cpuctrl0 = tmp;
/* Step 3: Setup the MC write buffer depth, this is controlled