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yaml --- r: 108596 b: refs/heads/master c: 55546ac h: refs/heads/master v: v3
git-mirror · Aug 13, 2008 · fefa035 · fefa035
1 parent 487dca2
commit fefa035
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Showing 3 changed files with 19 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d3d0ac23a308f92fc5e5e2846ca40e7bffa5cec3
+refs/heads/master: 55546ac45dfb4087437bedaed43400630c96680e
diff --git a/trunk/arch/blackfin/mach-common/ints-priority.c b/trunk/arch/blackfin/mach-common/ints-priority.c
@@ -1069,7 +1069,16 @@ int __init init_arch_irq(void)
 
 #if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
 	bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
+#if defined(CONFIG_BF52x)
+	/* 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:
+	 * http://blackfin.uclinux.org/gf/tracker/4323
+	 */
+	bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+#else
 	bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
+#endif
 # ifdef CONFIG_BF54x
 	bfin_write_SIC_IWR2(IWR_DISABLE_ALL);
 # endif

diff --git a/trunk/arch/blackfin/mach-common/pm.c b/trunk/arch/blackfin/mach-common/pm.c
@@ -84,7 +84,16 @@ void bfin_pm_suspend_standby_enter(void)
 
 #if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)  || defined(CONFIG_BF561)
 	bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
+#if defined(CONFIG_BF52x)
+	/* 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:
+	 * http://blackfin.uclinux.org/gf/tracker/4323
+	 */
+	bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+#else
 	bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
+#endif
 # ifdef CONFIG_BF54x
 	bfin_write_SIC_IWR2(IWR_DISABLE_ALL);
 # endif