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dtsi: Update the nv-counter node in the device tree 

Created a header file defining the id of the various nv-counters
used in the system.
Also, updated the device tree to add 'id' property for the trusted
and non-trusted nv-counters.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ia41a557f7e56ad4ed536aee11c7a59e078ae07c0
This commit is contained in:
Manish V Badarkhe 2020-08-23 09:47:02 +01:00 committed by Manish V Badarkhe
parent e87c823102
commit 699d8a1265
2 changed files with 19 additions and 8 deletions
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18
fdts/cot_descriptors.dtsi
View File

@ -6,6 +6,7 @@
#include <tools_share/tbbr_oid.h> #include <tools_share/tbbr_oid.h>
#include <common/tbbr/tbbr_img_def.h> #include <common/tbbr/tbbr_img_def.h>
#include <common/nv_cntr_ids.h>
cot { cot {
manifests { manifests {
@ -301,18 +302,19 @@ cot {
}; };
}; };
non-volatile-counters { non_volatile_counters: non_volatile_counters {
compatible = "arm, non-volatile-counter"; compatible = "arm, non-volatile-counter";
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;
counters { trusted_nv_counter: trusted_nv_counter {
trusted_nv_counter: trusted_nv_counter { id = <TRUSTED_NV_CTR_ID>;
oid = TRUSTED_FW_NVCOUNTER_OID; oid = TRUSTED_FW_NVCOUNTER_OID;
}; };
non_trusted_nv_counter: non_trusted_nv_counter {
oid = NON_TRUSTED_FW_NVCOUNTER_OID; non_trusted_nv_counter: non_trusted_nv_counter {
}; id = <NON_TRUSTED_NV_CTR_ID>;
oid = NON_TRUSTED_FW_NVCOUNTER_OID;
}; };
}; };

9
include/common/nv_cntr_ids.h Normal file
View File

@ -0,0 +1,9 @@
/*
* Copyright (c) 2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#define TRUSTED_NV_CTR_ID U(0)
#define NON_TRUSTED_NV_CTR_ID U(1)
#define MAX_NV_CTR_IDS U(2)