diff options
| author | Shengzhou Liu <Shengzhou.Liu@freescale.com> | 2011-05-19 18:48:01 +0800 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-05-20 08:46:49 -0500 |
| commit | d08e44570ed611c527a1062eb4f8c6ac61832e6e (patch) | |
| tree | ed808ac6e887995a5d7dd9c6b2ed6c355deaa000 /arch/powerpc/include | |
| parent | 208b3a4c196e733b9cec006dc132cfc149b2810a (diff) | |
powerpc/fsl_lbc: Add workaround for ELBC-A001 erratum
Simultaneous FCM and GPCM or UPM operation may erroneously trigger
bus monitor timeout.
Set the local bus monitor timeout value to the maximum by setting
LBCR[BMT] = 0 and LBCR[BMTPS] = 0xF.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/fsl_lbc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h index 5c1bf346674..8a0b5ece8f7 100644 --- a/arch/powerpc/include/asm/fsl_lbc.h +++ b/arch/powerpc/include/asm/fsl_lbc.h @@ -157,6 +157,8 @@ struct fsl_lbc_regs { #define LBCR_EPAR_SHIFT 16 #define LBCR_BMT 0x0000FF00 #define LBCR_BMT_SHIFT 8 +#define LBCR_BMTPS 0x0000000F +#define LBCR_BMTPS_SHIFT 0 #define LBCR_INIT 0x00040000 __be32 lcrr; /**< Clock Ratio Register */ #define LCRR_DBYP 0x80000000 |