Blackfin arch: fix bug - reboot fails on BF527

add ANOMALY_05000435 to handle SIC_IWR1 workaround for rebooting

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

2 files changed, 8 insertions, 2 deletions

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 5a7c1c177d23..f7e35e7965fc 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -1069,7 +1069,10 @@ int __init init_arch_irq(void)
          * up from IDLE instructions.  See this report for more info:
          * http://blackfin.uclinux.org/gf/tracker/4323
          */
-        bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+        if (ANOMALY_05000435)
+                bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+        else
+                bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
 #else
         bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
 #endif
diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index ee33a8a988bd..96600b8cb6ad 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -91,7 +91,10 @@ void bfin_pm_suspend_standby_enter(void)
          * up from IDLE instructions.  See this report for more info:
          * http://blackfin.uclinux.org/gf/tracker/4323
          */
-        bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+        if (ANOMALY_05000435)
+                bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+        else
+                bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
 #else
         bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
 #endif