fix(tegra210): support legacy SMC_ID 0xC2FEFE00
This patch introduces a workaround to support the legacy SMC FID
0xC2FEFE00 to maintain compatibility with older software components.
Change-Id: Icf2ef9cfa6b28c09bbab325a642d0b3b20b23535
Signed-off-by: Kalyani Chidambaram Vaidyanathan <kalyanic@nvidia.com>
diff --git a/plat/nvidia/tegra/soc/t210/plat_sip_calls.c b/plat/nvidia/tegra/soc/t210/plat_sip_calls.c
index e3484be..93d1283 100644
--- a/plat/nvidia/tegra/soc/t210/plat_sip_calls.c
+++ b/plat/nvidia/tegra/soc/t210/plat_sip_calls.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
- * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ * Copyright (c) 2020-2023, NVIDIA Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -33,6 +33,7 @@
/*******************************************************************************
* Tegra210 SiP SMCs
******************************************************************************/
+#define TEGRA_SIP_PMC_COMMANDS_LEGACY U(0xC2FEFE00)
#define TEGRA_SIP_PMC_COMMANDS U(0xC2FFFE00)
/*******************************************************************************
@@ -54,7 +55,7 @@
if (!ns)
SMC_RET1(handle, SMC_UNK);
- if (smc_fid == TEGRA_SIP_PMC_COMMANDS) {
+ if ((smc_fid == TEGRA_SIP_PMC_COMMANDS) || (smc_fid == TEGRA_SIP_PMC_COMMANDS_LEGACY)) {
/* check the address is within PMC range and is 4byte aligned */
if ((x2 >= TEGRA_PMC_SIZE) || (x2 & 0x3))
return -EINVAL;