1 /* 2 * Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved. 3 * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 /* 9 * Contains definitions of commonly used macros and data types needed 10 * for PU Power Management. This file should be common for all PU's. 11 */ 12 13 #ifndef PM_COMMON_H 14 #define PM_COMMON_H 15 16 #include <stdint.h> 17 #include <plat_pm_common.h> 18 19 #if IPI_CRC_CHECK 20 #define PAYLOAD_ARG_CNT 8U 21 #define IPI_W0_TO_W6_SIZE 28U 22 #define PAYLOAD_CRC_POS 7U 23 #define CRC_INIT_VALUE 0x4F4EU 24 #define CRC_ORDER 16U 25 #define CRC_POLYNOM 0x8005U 26 #else 27 #define PAYLOAD_ARG_CNT 7U 28 #endif 29 #define RET_PAYLOAD_ARG_CNT 6U 30 #define PAYLOAD_ARG_SIZE 4U /* size in bytes */ 31 32 #define TZ_VERSION_MAJOR 1 33 #define TZ_VERSION_MINOR 0 34 #define TZ_VERSION ((TZ_VERSION_MAJOR << 16) | \ 35 TZ_VERSION_MINOR) 36 37 /** 38 * struct pm_ipi - struct for capturing IPI-channel specific info. 39 * @local_ipi_id: Local IPI agent ID. 40 * @remote_ipi_id: Remote IPI Agent ID. 41 * @buffer_base: base address for payload buffer. 42 * 43 */ 44 struct pm_ipi { 45 const uint32_t local_ipi_id; 46 const uint32_t remote_ipi_id; 47 const uintptr_t buffer_base; 48 }; 49 50 /** 51 * struct pm_proc - struct for capturing processor related info. 52 * @node_id: node-ID of the processor. 53 * @pwrdn_mask: cpu-specific mask to be used for power control register. 54 * @ipi: pointer to IPI channel structure. 55 * (in APU all processors share one IPI channel) 56 * 57 */ 58 struct pm_proc { 59 const uint32_t node_id; 60 const uint32_t pwrdn_mask; 61 const struct pm_ipi *ipi; 62 }; 63 64 const struct pm_proc *pm_get_proc(uint32_t cpuid); 65 66 #endif /* PM_COMMON_H */ 67