Blackfin arch: Random read/write errors are a bad thing

[platform/kernel/linux-starfive.git] / arch / blackfin / kernel / setup.c

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index e5c1162..4646b98 100644 (file)
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -889,6 +889,10 @@ void __init setup_arch(char **cmdline_p)
                               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",