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/*
* Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*
* 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 <stdint.h>
#include <plat_pm_common.h>
#if IPI_CRC_CHECK
#define PAYLOAD_ARG_CNT 8U
#define IPI_W0_TO_W6_SIZE 28U
#define PAYLOAD_CRC_POS 7U
#define CRC_INIT_VALUE 0x4F4EU
#define CRC_ORDER 16U
#define CRC_POLYNOM 0x8005U
#else
#define PAYLOAD_ARG_CNT 6U
#endif
#define PAYLOAD_ARG_SIZE 4U /* size in bytes */
/**
* pm_ipi - struct for capturing IPI-channel specific info
* @local_ipi_id Local IPI agent ID
* @remote_ipi_id Remote IPI Agent ID
* @buffer_base base address for payload buffer
*/
struct pm_ipi {
const uint32_t local_ipi_id;
const uint32_t remote_ipi_id;
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 uint32_t node_id;
const unsigned int pwrdn_mask;
const struct pm_ipi *ipi;
};
const struct pm_proc *pm_get_proc(unsigned int cpuid);
#endif /* PM_COMMON_H */
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