1 /*
2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <platform.h>
8
9 extern char uniphier_rotpk_hash[], uniphier_rotpk_hash_end[];
10
plat_get_rotpk_info(void * cookie,void ** key_ptr,unsigned int * key_len,unsigned int * flags)11 int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
12 unsigned int *flags)
13 {
14 *key_ptr = uniphier_rotpk_hash;
15 *key_len = uniphier_rotpk_hash_end - uniphier_rotpk_hash;
16 *flags = ROTPK_IS_HASH;
17
18 return 0;
19 }
20
plat_get_nv_ctr(void * cookie,unsigned int * nv_ctr)21 int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr)
22 {
23 /*
24 * No support for non-volatile counter. Update the ROT key to protect
25 * the system against rollback.
26 */
27 *nv_ctr = 0;
28
29 return 0;
30 }
31
plat_set_nv_ctr(void * cookie,unsigned int nv_ctr)32 int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
33 {
34 return 0;
35 }
36