1 /* 2 * Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved. 3 * Copyright (c) 2022-2025, 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 18 #if IPI_CRC_CHECK 19 #define PAYLOAD_ARG_CNT 8U 20 #define IPI_W0_TO_W6_SIZE 28U 21 #define PAYLOAD_CRC_POS 7U 22 #define CRC_INIT_VALUE 0x4F4EU 23 #define CRC_ORDER 16U 24 #define CRC_POLYNOM 0x8005U 25 #else 26 #define PAYLOAD_ARG_CNT 7U 27 #endif 28 #define RET_PAYLOAD_ARG_CNT 6U 29 #define PAYLOAD_ARG_SIZE 4U /* size in bytes */ 30 31 #define TZ_VERSION_MAJOR 1U 32 #define TZ_VERSION_MINOR 0U 33 #define TZ_VERSION (((uint32_t)TZ_VERSION_MAJOR << 16U) | \ 34 TZ_VERSION_MINOR) 35 36 /** 37 * struct pm_ipi - struct for capturing IPI-channel specific info. 38 * @local_ipi_id: Local IPI agent ID. 39 * @remote_ipi_id: Remote IPI Agent ID. 40 * @buffer_base: base address for payload buffer. 41 * 42 */ 43 struct pm_ipi { 44 const uint32_t local_ipi_id; 45 const uint32_t remote_ipi_id; 46 const uintptr_t buffer_base; 47 }; 48 49 /** 50 * struct pm_proc - struct for capturing processor related info. 51 * @node_id: node-ID of the processor. 52 * @pwrdn_mask: cpu-specific mask to be used for power control register. 53 * @ipi: pointer to IPI channel structure. 54 * (in APU all processors share one IPI channel) 55 * 56 */ 57 struct pm_proc { 58 const uint32_t node_id; 59 const uint32_t pwrdn_mask; 60 const struct pm_ipi *ipi; 61 }; 62 63 const struct pm_proc *pm_get_proc(uint32_t cpuid); 64 65 #endif /* PM_COMMON_H */ 66