Add platform hooks for boot redundancy support
These hooks are intended to allow one platform to try load
images from alternative places. There is a hook to initialize
the sequence of boot locations and a hook to pass to the next
sequence.
Change-Id: Ia0f84c415208dc4fa4f9d060d58476db23efa5b2
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
diff --git a/plat/common/aarch32/platform_helpers.S b/plat/common/aarch32/platform_helpers.S
index b5f41ff..61d21ab 100644
--- a/plat/common/aarch32/platform_helpers.S
+++ b/plat/common/aarch32/platform_helpers.S
@@ -14,6 +14,8 @@
.weak plat_disable_acp
.weak platform_mem_init
.weak plat_panic_handler
+ .weak bl2_plat_preload_setup
+ .weak plat_try_next_boot_source
/* -----------------------------------------------------
* Placeholder function which should be redefined by
@@ -79,3 +81,23 @@
func plat_panic_handler
b plat_panic_handler
endfunc plat_panic_handler
+
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platfrom.
+ * -----------------------------------------------------
+ */
+func bl2_plat_preload_setup
+ bx lr
+endfunc bl2_plat_preload_setup
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platfrom.
+ * -----------------------------------------------------
+ */
+func plat_try_next_boot_source
+ mov r0, #0
+ bx lr
+endfunc plat_try_next_boot_source