diff options
Diffstat (limited to 'arch/blackfin/mach-common/arch_checks.c')
| -rw-r--r-- | arch/blackfin/mach-common/arch_checks.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c index 80d39b2f9db2..da93d9207165 100644 --- a/arch/blackfin/mach-common/arch_checks.c +++ b/arch/blackfin/mach-common/arch_checks.c @@ -71,3 +71,10 @@ #if ANOMALY_05000448 # error You are using a part with anomaly 05000448, this issue causes random memory read/write failures - that means random crashes. #endif + +/* if 220 exists, can not set External Memory WB and L2 not_cached, either External Memory not_cached and L2 WB */ +#if ANOMALY_05000220 && \ + ((defined(CONFIG_BFIN_WB) && defined(CONFIG_BFIN_L2_NOT_CACHED)) || \ + (!defined(CONFIG_BFIN_DCACHE) && defined(CONFIG_BFIN_L2_WB))) +# error You are exposing Anomaly 220 in this config, either config L2 as Write Through, or make External Memory WB. +#endif |