Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <common/debug.h> |
| 8 | #include <lib/mmio.h> |
| 9 | #include <lib/smccc.h> |
Maheedhar Bollapalli | 86d6d70 | 2024-10-07 09:27:58 +0000 | [diff] [blame] | 10 | #include <plat/common/platform.h> |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 11 | #include <services/arm_arch_svc.h> |
| 12 | |
| 13 | #include <plat_private.h> |
| 14 | #include <plat_startup.h> |
| 15 | #include <pm_api_sys.h> |
| 16 | |
| 17 | /** |
| 18 | * plat_is_smccc_feature_available() - This function checks whether SMCCC |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 19 | * feature is availabile for platform. |
| 20 | * @fid: SMCCC function id. |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 21 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 22 | * Return: SMC_ARCH_CALL_SUCCESS - if SMCCC feature is available. |
| 23 | * SMC_ARCH_CALL_NOT_SUPPORTED - Otherwise. |
| 24 | * |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 25 | */ |
| 26 | int32_t plat_is_smccc_feature_available(u_register_t fid) |
| 27 | { |
| 28 | switch (fid) { |
| 29 | case SMCCC_ARCH_SOC_ID: |
| 30 | return SMC_ARCH_CALL_SUCCESS; |
| 31 | default: |
| 32 | return SMC_ARCH_CALL_NOT_SUPPORTED; |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 37 | * plat_get_soc_version() - Get the SOC version of the platform. |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 38 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 39 | * Return: SiP defined SoC version in JEP-106. |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 40 | * |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 41 | * This function is called when the SoC_ID_type == 0. |
| 42 | * For further details please refer to section 7.4 of SMC Calling Convention. |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 43 | */ |
| 44 | int32_t plat_get_soc_version(void) |
| 45 | { |
| 46 | uint32_t manfid; |
| 47 | |
| 48 | manfid = SOC_ID_SET_JEP_106(JEDEC_XILINX_BKID, JEDEC_XILINX_MFID); |
| 49 | |
| 50 | return (int32_t)(manfid | (platform_version & SOC_ID_IMPL_DEF_MASK)); |
| 51 | } |
| 52 | |
| 53 | /** |
Prasad Kummari | 7d0623a | 2023-06-09 14:32:00 +0530 | [diff] [blame] | 54 | * plat_get_soc_revision() - Get the SOC revision for the platform. |
| 55 | * |
| 56 | * Return: SiP defined SoC revision. |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 57 | * |
| 58 | * This function is called when the SoC_ID_type == 1 |
| 59 | * For further details please refer to section 7.4 of SMC Calling Convention |
Akshay Belsare | 589ccce | 2023-05-08 19:00:53 +0530 | [diff] [blame] | 60 | */ |
| 61 | int32_t plat_get_soc_revision(void) |
| 62 | { |
| 63 | return (platform_id & SOC_ID_REV_MASK); |
| 64 | } |