Blackfin arch: Random read/write errors are a bad thing
Random read/write errors are a bad thing - so don't let anyone
(including the test bench) run on something we know is bad.
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index e5c1162..4646b98 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -889,6 +889,10 @@
CPU, bfin_revid());
}
+ /* We can't run on BF548-0.1 due to ANOMALY 05000448 */
+ if (bfin_cpuid() == 0x27de && bfin_revid() == 1)
+ panic("You can't run on this processor due to 05000448\n");
+
printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",