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/*
* Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Contains definitions of commonly used macros and data types needed
* for PU Power Management. This file should be common for all PU's.
*/
#ifndef _PM_COMMON_H_
#define _PM_COMMON_H_
#include <debug.h>
#include <stdint.h>
#include "pm_defs.h"
#define PAYLOAD_ARG_CNT 6U
#define PAYLOAD_ARG_SIZE 4U /* size in bytes */
/**
* pm_ipi - struct for capturing IPI-channel specific info
* @mask mask for enabling/disabling and triggering the IPI
* @base base address for IPI
* @buffer_base base address for payload buffer
*/
struct pm_ipi {
const unsigned int mask;
const uintptr_t base;
const uintptr_t buffer_base;
};
/**
* pm_proc - struct for capturing processor related info
* @node_id node-ID of the processor
* @pwrdn_mask cpu-specific mask to be used for power control register
* @ipi pointer to IPI channel structure
* (in APU all processors share one IPI channel)
*/
struct pm_proc {
const enum pm_node_id node_id;
const unsigned int pwrdn_mask;
const struct pm_ipi *ipi;
};
const struct pm_proc *pm_get_proc(unsigned int cpuid);
const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid);
#endif /* _PM_COMMON_H_ */