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| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2007-12-02 15:00:32 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-01-29 13:14:58 +0300 |
| commit | e2defae5a9b4f8d1acb058be212ef89c8763dc5b (patch) | |
| tree | 3a0e72b5df8ee181e6c30fb6d1cba636c460a9fd /arch/mips/sgi-ip22/ip22-mc.c | |
| parent | 81149be11327cbad006f82318f46e0b68a7b14ad (diff) | |
| download | linux-e2defae5a9b4f8d1acb058be212ef89c8763dc5b.tar.xz | |
[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.c | 4 |
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 |