1 /* 2 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 /* 8 * Contains definitions of commonly used macros and data types needed 9 * for PU Power Management. This file should be common for all PU's. 10 */ 11 12 #ifndef _PM_COMMON_H_ 13 #define _PM_COMMON_H_ 14 15 #include <debug.h> 16 #include <stdint.h> 17 #include "pm_defs.h" 18 19 #define PAYLOAD_ARG_CNT 6U 20 #define PAYLOAD_ARG_SIZE 4U /* size in bytes */ 21 22 /** 23 * pm_ipi - struct for capturing IPI-channel specific info 24 * @mask mask for enabling/disabling and triggering the IPI 25 * @base base address for IPI 26 * @buffer_base base address for payload buffer 27 */ 28 struct pm_ipi { 29 const unsigned int mask; 30 const uintptr_t base; 31 const uintptr_t buffer_base; 32 }; 33 34 /** 35 * pm_proc - struct for capturing processor related info 36 * @node_id node-ID of the processor 37 * @pwrdn_mask cpu-specific mask to be used for power control register 38 * @ipi pointer to IPI channel structure 39 * (in APU all processors share one IPI channel) 40 */ 41 struct pm_proc { 42 const enum pm_node_id node_id; 43 const unsigned int pwrdn_mask; 44 const struct pm_ipi *ipi; 45 }; 46 47 const struct pm_proc *pm_get_proc(unsigned int cpuid); 48 const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid); 49 50 #endif /* _PM_COMMON_H_ */ 51
