Blackfin arch: read SYSCR on newer parts that mirror the bits of SWRS…

…T in it Signed-off-by: Mike Frysinger <[email protected]> Signed-off-by: Bryan Wu <[email protected]>
ambv · Feb 4, 2009 · ed1fb60 · ed1fb60
1 parent 7f6678c
commit ed1fb60
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
@@ -826,7 +826,13 @@ void __init setup_arch(char **cmdline_p)
 
 	printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);
 
+	/* Newer parts mirror SWRST bits in SYSCR */
+#if defined(CONFIG_BF53x) || defined(CONFIG_BF561) || \
+    defined(CONFIG_BF538) || defined(CONFIG_BF539)
 	_bfin_swrst = bfin_read_SWRST();
+#else
+	_bfin_swrst = bfin_read_SYSCR();
+#endif
 
 #ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
 	bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT);