Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

1 files changed, 14 insertions, 16 deletions

diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index eeee8cb43360..53d08dee8531 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -20,8 +20,8 @@
  * reset while the Core B bit (on dual core parts) is cleared by
  * the core reset.
  */
-__attribute__((l1_text))
-static void _bfin_reset(void)
+__attribute__ ((__l1_text__, __noreturn__))
+static void bfin_reset(void)
 {
         /* Wait for completion of "system" events such as cache line
          * line fills so that we avoid infinite stalls later on as
@@ -30,7 +30,11 @@ static void _bfin_reset(void)
          */
         __builtin_bfin_ssync();
 
-        while (1) {
+        /* The bootrom checks to see how it was reset and will
+         * automatically perform a software reset for us when
+         * it starts executing after the core reset.
+         */
+        if (ANOMALY_05000353 || ANOMALY_05000386) {
                 /* Initiate System software reset. */
                 bfin_write_SWRST(0x7);
 
@@ -50,6 +54,11 @@ static void _bfin_reset(void)
                 /* Clear System software reset */
                 bfin_write_SWRST(0);
 
+                /* The BF526 ROM will crash during reset */
+#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__)
+                bfin_read_SWRST();
+#endif
+
                 /* Wait for the SWRST write to complete.  Cannot rely on SSYNC
                  * though as the System state is all reset now.
                  */
@@ -60,22 +69,11 @@ static void _bfin_reset(void)
                         : "a" (15 * 1)
                         : "LC1", "LB1", "LT1"
                 );
+        }
 
+        while (1)
                 /* Issue core reset */
                 asm("raise 1");
-        }
-}
-
-static void bfin_reset(void)
-{
-        if (ANOMALY_05000353 || ANOMALY_05000386)
-                _bfin_reset();
-        else
-                /* the bootrom checks to see how it was reset and will
-                 * automatically perform a software reset for us when
-                 * it starts executing boot
-                 */
-                asm("raise 1;");
 }
 
 __attribute__((weak))