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| author | Eugene Surovegin <ebs@ebshome.net> | 2006-04-25 01:22:44 -0700 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-04-28 21:04:56 +1000 |
| commit | 30aacebed0f0619f23ce84df7c59ad033ca08d77 (patch) | |
| tree | fb32292e6804fdab515227a0b7d9722e9595d532 /include/asm-ppc | |
| parent | 1269277a5e7c6d7ae1852e648a8bcdb78035e9fa (diff) | |
| download | op-kernel-dev-30aacebed0f0619f23ce84df7c59ad033ca08d77.zip op-kernel-dev-30aacebed0f0619f23ce84df7c59ad033ca08d77.tar.gz | |
[PATCH] ppc32: add 440GX erratum 440_43 workaround
This patch adds workaround for PPC 440GX erratum 440_43. According to
this erratum spurious MachineChecks (caused by L1 cache parity) can
happen during DataTLB miss processing. We disable L1 cache parity
checking for 440GX rev.C and rev.F
Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc')
| -rw-r--r-- | include/asm-ppc/reg_booke.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ppc/reg_booke.h b/include/asm-ppc/reg_booke.h index 00ad9c7..4944c0f 100644 --- a/include/asm-ppc/reg_booke.h +++ b/include/asm-ppc/reg_booke.h @@ -237,6 +237,7 @@ do { \ #endif /* Bit definitions for CCR1. */ +#define CCR1_DPC 0x00000100 /* Disable L1 I-Cache/D-Cache parity checking */ #define CCR1_TCS 0x00000080 /* Timer Clock Select */ /* Bit definitions for the MCSR. */ |
