refactor(css): support multiple SDS regions
Extend the SDS driver to be able to handle multiple
SDS regions:
- AP-SCP
- AP-RSS
Change-Id: Id303840b248c383b3f960227cbf6333d1cc75e65
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Signed-off-by: David Vincze <david.vincze@arm.com>
diff --git a/drivers/arm/css/scp/css_sds.c b/drivers/arm/css/scp/css_sds.c
index e42ee10..d9965c6 100644
--- a/drivers/arm/css/scp/css_sds.c
+++ b/drivers/arm/css/scp/css_sds.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -20,7 +20,7 @@
int ret;
unsigned int image_offset, image_flags;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SCP SDS initialization failed\n");
panic();
@@ -28,13 +28,15 @@
VERBOSE("Writing SCP image metadata\n");
image_offset = (uintptr_t) image - ARM_TRUSTED_SRAM_BASE;
- ret = sds_struct_write(SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_ADDR_OFFSET,
+ ret = sds_struct_write(SDS_SCP_AP_REGION_ID,
+ SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_ADDR_OFFSET,
&image_offset, SDS_SCP_IMG_ADDR_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
if (ret != SDS_OK)
goto sds_fail;
- ret = sds_struct_write(SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_SIZE_OFFSET,
+ ret = sds_struct_write(SDS_SCP_AP_REGION_ID,
+ SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_SIZE_OFFSET,
&image_size, SDS_SCP_IMG_SIZE_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
if (ret != SDS_OK)
@@ -42,7 +44,8 @@
VERBOSE("Marking SCP image metadata as valid\n");
image_flags = SDS_SCP_IMG_VALID_FLAG_BIT;
- ret = sds_struct_write(SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_FLAG_OFFSET,
+ ret = sds_struct_write(SDS_SCP_AP_REGION_ID,
+ SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_FLAG_OFFSET,
&image_flags, SDS_SCP_IMG_FLAG_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
if (ret != SDS_OK)
@@ -68,7 +71,8 @@
/* Wait for the SCP RAM Firmware to complete its initialization process */
while (retry > 0) {
- ret = sds_struct_read(SDS_FEATURE_AVAIL_STRUCT_ID, 0,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ SDS_FEATURE_AVAIL_STRUCT_ID, 0,
&scp_feature_availability_flags,
SDS_FEATURE_AVAIL_SIZE,
SDS_ACCESS_MODE_NON_CACHED);