diff options
| author | Eugene Surovegin <ebs@ebshome.net> | 2006-04-25 04:22:44 -0400 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-04-28 07:04:56 -0400 |
| commit | 30aacebed0f0619f23ce84df7c59ad033ca08d77 (patch) | |
| tree | fb32292e6804fdab515227a0b7d9722e9595d532 /include/asm-ppc | |
| parent | 1269277a5e7c6d7ae1852e648a8bcdb78035e9fa (diff) | |
[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 00ad9c754c78..4944c0fb8bea 100644 --- a/include/asm-ppc/reg_booke.h +++ b/include/asm-ppc/reg_booke.h | |||
| @@ -237,6 +237,7 @@ do { \ | |||
| 237 | #endif | 237 | #endif |
| 238 | 238 | ||
| 239 | /* Bit definitions for CCR1. */ | 239 | /* Bit definitions for CCR1. */ |
| 240 | #define CCR1_DPC 0x00000100 /* Disable L1 I-Cache/D-Cache parity checking */ | ||
| 240 | #define CCR1_TCS 0x00000080 /* Timer Clock Select */ | 241 | #define CCR1_TCS 0x00000080 /* Timer Clock Select */ |
| 241 | 242 | ||
| 242 | /* Bit definitions for the MCSR. */ | 243 | /* Bit definitions for the MCSR. */ |