FWU: Add Firmware Update support in BL1 for ARM platforms
This patch adds Firmware Update support for ARM platforms.
New files arm_bl1_fwu.c and juno_bl1_setup.c were added to provide
platform specific Firmware update code.
BL1 now includes mmap entry for `ARM_MAP_NS_DRAM1` to map DRAM for
authenticating NS_BL2U image(For both FVP and JUNO platform).
Change-Id: Ie116cd83f5dc00aa53d904c2f1beb23d58926555
diff --git a/plat/arm/common/arm_io_storage.c b/plat/arm/common/arm_io_storage.c
index ae67cde..f7e99e9 100644
--- a/plat/arm/common/arm_io_storage.c
+++ b/plat/arm/common/arm_io_storage.c
@@ -308,3 +308,17 @@
return result;
}
+
+/*
+ * See if a Firmware Image Package is available,
+ * by checking if TOC is valid or not.
+ */
+int arm_io_is_toc_valid(void)
+{
+ int result;
+
+ result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID);
+
+ return (result == 0);
+}
+