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-rw-r--r--arch/blackfin/mach-common/arch_checks.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/arch_checks.c b/arch/blackfin/mach-common/arch_checks.c
index 9dbafcdcf479..f2ca211a76a0 100644
--- a/arch/blackfin/mach-common/arch_checks.c
+++ b/arch/blackfin/mach-common/arch_checks.c
@@ -57,3 +57,8 @@
(!defined(CONFIG_BFIN_EXTMEM_DCACHEABLE) && defined(CONFIG_BFIN_L2_WRITEBACK)))
# error You are exposing Anomaly 220 in this config, either config L2 as Write Through, or make External Memory WB.
#endif
+
+#if ANOMALY_05000475 && \
+ (defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK))
+# error "Anomaly 475 does not allow you to use Write Back cache with L2 or External Memory"
+#endif