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| author | Manish V Badarkhe <Manish.Badarkhe@arm.com> | 2020-02-22 08:43:00 +0000 |
|---|---|---|
| committer | Manish V Badarkhe <Manish.Badarkhe@arm.com> | 2020-03-17 10:14:35 +0000 |
| commit | 0e753437e75b68476b524d32c7e9db7f28d2ad85 (patch) | |
| tree | 5fb7659f153f6305f355b7abc702abdf7160ee85 /include | |
| parent | bb37363bd30f5ccc625f47350d3ae56ddcddb236 (diff) | |
| download | platform_external_arm-trusted-firmware-0e753437e75b68476b524d32c7e9db7f28d2ad85.tar.gz platform_external_arm-trusted-firmware-0e753437e75b68476b524d32c7e9db7f28d2ad85.tar.bz2 platform_external_arm-trusted-firmware-0e753437e75b68476b524d32c7e9db7f28d2ad85.zip | |
Implement SMCCC_ARCH_SOC_ID SMC call
Implemented SMCCC_ARCH_SOC_ID call in order to get below
SOC information:
1. SOC revision
2. SOC version
Implementation done using below SMCCC specification document:
https://developer.arm.com/docs/den0028/c
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ie0595f1c345a6429a6fb4a7f05534a0ca9c9a48b
Diffstat (limited to 'include')
| -rw-r--r-- | include/plat/arm/common/plat_arm.h | 9 | ||||
| -rw-r--r-- | include/plat/common/platform.h | 10 | ||||
| -rw-r--r-- | include/services/arm_arch_svc.h | 6 |
3 files changed, 24 insertions, 1 deletions
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h index 6c2925afa..a84047aac 100644 --- a/include/plat/arm/common/plat_arm.h +++ b/include/plat/arm/common/plat_arm.h @@ -148,6 +148,12 @@ void arm_setup_romlib(void); #define ARM_ROTPK_DEVEL_RSA_ID 2 #define ARM_ROTPK_DEVEL_ECDSA_ID 3 +/* Defines used to retrieve ARM SOC revision */ +#define ARM_SOC_CONTINUATION_CODE U(0x4) +#define ARM_SOC_IDENTIFICATION_CODE U(0x3B) +#define ARM_SOC_CONTINUATION_SHIFT U(24) +#define ARM_SOC_IDENTIFICATION_SHIFT U(16) + /* IO storage utility functions */ int arm_io_setup(void); @@ -323,4 +329,7 @@ extern const unsigned int arm_pm_idle_states[]; void plat_arm_secure_wdt_start(void); void plat_arm_secure_wdt_stop(void); +/* Get SOC-ID of ARM platform */ +uint32_t plat_arm_get_soc_id(void); + #endif /* PLAT_ARM_H */ diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h index 5b5ebb973..e4431d2f0 100644 --- a/include/plat/common/platform.h +++ b/include/plat/common/platform.h @@ -322,4 +322,14 @@ void plat_flush_next_bl_params(void); */ unsigned int platform_core_pos_helper(unsigned long mpidr); +/* + * Optional function to get SOC version + */ +int32_t plat_get_soc_version(void); + +/* + * Optional function to get SOC revision + */ +int32_t plat_get_soc_revision(void); + #endif /* PLATFORM_H */ diff --git a/include/services/arm_arch_svc.h b/include/services/arm_arch_svc.h index 1cb2038c6..5bbd8bb6c 100644 --- a/include/services/arm_arch_svc.h +++ b/include/services/arm_arch_svc.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -9,7 +9,11 @@ #define SMCCC_VERSION U(0x80000000) #define SMCCC_ARCH_FEATURES U(0x80000001) +#define SMCCC_ARCH_SOC_ID U(0x80000002) #define SMCCC_ARCH_WORKAROUND_1 U(0x80008000) #define SMCCC_ARCH_WORKAROUND_2 U(0x80007FFF) +#define SMCCC_GET_SOC_VERSION U(0) +#define SMCCC_GET_SOC_REVISION U(1) + #endif /* ARM_ARCH_SVC_H */ |