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authorKumar Gala <galak@kernel.crashing.org>2011-01-29 15:36:10 -0600
committerKumar Gala <galak@kernel.crashing.org>2011-02-03 02:46:12 -0600
commit5103a03a0be2fd1a5270046d9f2bc77916e33a56 (patch)
tree969486ff9a138e255386e4767525027454235448 /arch
parent6e7f0bc0ce33adbd028f4e34b7e9d3bf46e0f95b (diff)
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fsl_esdhc: Add the workaround for erratum ESDHC-A001 (enable on P2020)
Data timeout counter (SYSCTL[DTOCV]) is not reliable for values of 4, 8, and 12. Program one more than the desired value: 4 -> 5, 8 -> 9, 12 -> 13. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/cpu/mpc85xx/cmd_errata.c3
-rw-r--r--arch/powerpc/include/asm/config_mpc85xx.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index 0cc8b1e..4f8134b 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -59,6 +59,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC136)
puts("Work-around for Erratum ESDHC136 enabled\n");
#endif
+#if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001)
+ puts("Work-around for Erratum ESDHC-A001 enabled\n");
+#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
puts("Work-around for Erratum CPC-A002 enabled\n");
#endif
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 9919d97..c771a4b 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -131,12 +131,14 @@
#define CONFIG_SYS_FSL_NUM_LAWS 12
#define CONFIG_SYS_FSL_SEC_COMPAT 2
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
+#define CONFIG_SYS_FSL_ERRATUM_ESDHC_A001
#elif defined(CONFIG_P2020)
#define CONFIG_MAX_CPUS 2
#define CONFIG_SYS_FSL_NUM_LAWS 12
#define CONFIG_SYS_FSL_SEC_COMPAT 2
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
+#define CONFIG_SYS_FSL_ERRATUM_ESDHC_A001
#elif defined(CONFIG_PPC_P2040)
#define CONFIG_MAX_CPUS 4