From 40a4e2d84c38ffae899eaa2c33c1e280312919cf Mon Sep 17 00:00:00 2001 From: Kalyani Chidambaram Vaidyanathan Date: Mon, 30 Jan 2023 17:44:26 -0800 Subject: [PATCH] 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 --- plat/nvidia/tegra/soc/t210/plat_sip_calls.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/plat/nvidia/tegra/soc/t210/plat_sip_calls.c b/plat/nvidia/tegra/soc/t210/plat_sip_calls.c index e3484bea9..93d12832e 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 @@ int plat_sip_handler(uint32_t smc_fid, 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;