58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/*
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* Contains definitions of commonly used macros and data types needed
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* for PU Power Management. This file should be common for all PU's.
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*/
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#ifndef PM_COMMON_H
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#define PM_COMMON_H
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#include <stdint.h>
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#include <plat_pm_common.h>
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#if IPI_CRC_CHECK
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#define PAYLOAD_ARG_CNT 8U
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#define IPI_W0_TO_W6_SIZE 28U
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#define PAYLOAD_CRC_POS 7U
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#define CRC_INIT_VALUE 0x4F4EU
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#define CRC_ORDER 16U
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#define CRC_POLYNOM 0x8005U
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#else
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#define PAYLOAD_ARG_CNT 6U
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#endif
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#define PAYLOAD_ARG_SIZE 4U /* size in bytes */
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/**
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* pm_ipi - struct for capturing IPI-channel specific info
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* @local_ipi_id Local IPI agent ID
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* @remote_ipi_id Remote IPI Agent ID
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* @buffer_base base address for payload buffer
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*/
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struct pm_ipi {
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const uint32_t local_ipi_id;
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const uint32_t remote_ipi_id;
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const uintptr_t buffer_base;
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};
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/**
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* pm_proc - struct for capturing processor related info
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* @node_id node-ID of the processor
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* @pwrdn_mask cpu-specific mask to be used for power control register
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* @ipi pointer to IPI channel structure
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* (in APU all processors share one IPI channel)
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*/
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struct pm_proc {
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const uint32_t node_id;
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const unsigned int pwrdn_mask;
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const struct pm_ipi *ipi;
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};
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const struct pm_proc *pm_get_proc(unsigned int cpuid);
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#endif /* PM_COMMON_H */
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