Blackfin arch: base SIC_IWR# programming on whether the MMR exists

base SIC_IWR# programming on whether the MMR exists
rather than having to maintain another list of processors

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

diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index d3d70fd..f48a6ae 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -82,10 +82,9 @@
 
 	bfin_pm_standby_restore();
 
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)  || defined(CONFIG_BF561) || \
-	defined(CONFIG_BF538) || defined(CONFIG_BF539) || defined(CONFIG_BF51x)
+#ifdef SIC_IWR0
 	bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
-#if defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
+# ifdef SIC_IWR1
 	/* BF52x system reset does not properly reset SIC_IWR1 which
 	 * will screw up the bootrom as it relies on MDMA0/1 waking it
 	 * up from IDLE instructions.  See this report for more info:
@@ -95,10 +94,8 @@
 		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
-# ifdef CONFIG_BF54x
+# endif
+# ifdef SIC_IWR2
 	bfin_write_SIC_IWR2(IWR_DISABLE_ALL);
 # endif
 #else