feat(plat/arm): add GPT parser support
Added GPT parser support in BL2 for Arm platforms to get the entry
address and length of the FIP in the GPT image.
Also, increased BL2 maximum size for FVP platform to successfully
compile ROM-enabled build with this change.
Verified this change using a patch:
https://review.trustedfirmware.org/c/ci/tf-a-ci-scripts/+/9654
Change-Id: Ie8026db054966653b739a82d9ba106d283f534d0
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/plat/arm/common/arm_io_storage.c b/plat/arm/common/arm_io_storage.c
index 34b4101..c5d913e 100644
--- a/plat/arm/common/arm_io_storage.c
+++ b/plat/arm/common/arm_io_storage.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2020, ARM Limited. All rights reserved.
+ * Copyright (c) 2015-2021, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -9,6 +9,7 @@
#include <drivers/io/io_fip.h>
#include <drivers/io/io_memmap.h>
#include <drivers/io/io_storage.h>
+#include <drivers/partition/partition.h>
#include <lib/utils.h>
#include <plat/arm/common/arm_fconf_getter.h>
@@ -136,3 +137,40 @@
{
return (io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID) == 0);
}
+
+#if ARM_GPT_SUPPORT
+/**********************************************************************
+ * arm_set_image_source: Set image specification in IO policy
+ *
+ * @image_id: id of the image whose specification to be set
+ *
+ * @part_name: name of the partition that to be read for entry details
+ *
+ * set the entry and offset details of partition in global IO policy
+ * of the image
+ *********************************************************************/
+int arm_set_image_source(unsigned int image_id, const char *part_name)
+{
+ const partition_entry_t *entry = get_partition_entry(part_name);
+
+ if (entry == NULL) {
+ ERROR("Unable to find the %s partition\n", part_name);
+ return -ENOENT;
+ }
+
+ const struct plat_io_policy *policy = FCONF_GET_PROPERTY(arm,
+ io_policies,
+ image_id);
+
+ assert(policy != NULL);
+ assert(policy->image_spec != 0UL);
+
+ /* set offset and length of the image */
+ io_block_spec_t *image_spec = (io_block_spec_t *)policy->image_spec;
+
+ image_spec->offset = PLAT_ARM_FLASH_IMAGE_BASE + entry->start;
+ image_spec->length = entry->length;
+
+ return 0;
+}
+#endif