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 RET_PAYLOAD_ARG_CNT 7U 22 #define IPI_W0_TO_W6_SIZE 28U 23 #define PAYLOAD_CRC_POS 7U 24 #define CRC_INIT_VALUE 0x4F4EU 25 #define CRC_ORDER 16U 26 #define CRC_POLYNOM 0x8005U 27 #else 28 #define PAYLOAD_ARG_CNT 7U 29 #define RET_PAYLOAD_ARG_CNT 6U 30 #endif 31 #define PAYLOAD_ARG_SIZE 4U /* size in bytes */ 32 33 #define TZ_VERSION_MAJOR 1 34 #define TZ_VERSION_MINOR 0 35 #define TZ_VERSION ((TZ_VERSION_MAJOR << 16) | \ 36 TZ_VERSION_MINOR) 37 38 /** 39 * struct pm_ipi - struct for capturing IPI-channel specific info. 40 * @local_ipi_id: Local IPI agent ID. 41 * @remote_ipi_id: Remote IPI Agent ID. 42 * @buffer_base: base address for payload buffer. 43 * 44 */ 45 struct pm_ipi { 46 const uint32_t local_ipi_id; 47 const uint32_t remote_ipi_id; 48 const uintptr_t buffer_base; 49 }; 50 51 /** 52 * struct pm_proc - struct for capturing processor related info. 53 * @node_id: node-ID of the processor. 54 * @pwrdn_mask: cpu-specific mask to be used for power control register. 55 * @ipi: pointer to IPI channel structure. 56 * (in APU all processors share one IPI channel) 57 * 58 */ 59 struct pm_proc { 60 const uint32_t node_id; 61 const uint32_t pwrdn_mask; 62 const struct pm_ipi *ipi; 63 }; 64 65 const struct pm_proc *pm_get_proc(uint32_t cpuid); 66 67 #endif /* PM_COMMON_H */ 68