Soren Brinkmann | 76fcae3 | 2016-03-06 20:16:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
Soren Brinkmann | 76fcae3 | 2016-03-06 20:16:27 -0800 | [diff] [blame] | 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_ */ |