Merge pull request #541 from antonio-nino-diaz-arm/an/secondary-cpu-init

Initialize secondary CPUs during cold boot

include/common/el3_common_macros.S

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -171,9 +171,19 @@
 	do_cold_boot:
 	.endif /* _warm_boot_mailbox */
 
+	/* ---------------------------------------------------------------------
+	 * It is a cold boot.
+	 * Perform any processor specific actions upon reset e.g. cache, TLB
+	 * invalidations etc.
+	 * ---------------------------------------------------------------------
+	 */
+	bl	reset_handler
+
+	el3_arch_init_common \_exception_vectors
+
 	.if \_secondary_cold_boot
 		/* -------------------------------------------------------------
-		 * It is a cold boot.
+		 * Check if this is a primary or secondary CPU cold boot.
 		 * The primary CPU will set up the platform while the
 		 * secondaries are placed in a platform-specific state until the
 		 * primary CPU performs the necessary actions to bring them out
@@ -193,13 +203,10 @@
 	.endif /* _secondary_cold_boot */
 
 	/* ---------------------------------------------------------------------
-	 * Perform any processor specific actions upon reset e.g. cache, TLB
-	 * invalidations etc.
+	 * Initialize memory now. Secondary CPU initialization won't get to this
+	 * point.
 	 * ---------------------------------------------------------------------
 	 */
-	bl	reset_handler
-
-	el3_arch_init_common \_exception_vectors
 
 	.if \_init_memory
 		bl	platform_mem_init