103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
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/*-
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* Copyright (c) 2013, 2014 Robin Randhawa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PSCI_H_
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#define _MACHINE_PSCI_H_
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#include <sys/types.h>
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typedef int (*psci_initfn_t)(device_t dev);
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typedef int (*psci_callfn_t)(register_t, register_t, register_t, register_t);
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extern int psci_present;
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void psci_system_reset(void);
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int psci_cpu_on(unsigned long, unsigned long, unsigned long);
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int psci_hvc_despatch(register_t, register_t, register_t, register_t);
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int psci_smc_despatch(register_t, register_t, register_t, register_t);
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/*
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* PSCI return codes.
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*/
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#define PSCI_RETVAL_SUCCESS 0
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#define PSCI_RETVAL_NOT_SUPPORTED -1
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#define PSCI_RETVAL_INVALID_PARAMS -2
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#define PSCI_RETVAL_DENIED -3
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#define PSCI_RETVAL_ALREADY_ON -4
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#define PSCI_RETVAL_ON_PENDING -5
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#define PSCI_RETVAL_INTERNAL_FAILURE -6
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#define PSCI_RETVAL_NOT_PRESENT -7
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#define PSCI_RETVAL_DISABLED -8
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/*
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* PSCI function codes (as per PSCI v0.2).
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*/
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#ifdef __aarch64__
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#define PSCI_FNID_VERSION 0x84000000
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#define PSCI_FNID_CPU_SUSPEND 0xc4000001
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#define PSCI_FNID_CPU_OFF 0x84000002
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#define PSCI_FNID_CPU_ON 0xc4000003
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#define PSCI_FNID_AFFINITY_INFO 0xc4000004
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#define PSCI_FNID_MIGRATE 0xc4000005
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#define PSCI_FNID_MIGRATE_INFO_TYPE 0x84000006
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#define PSCI_FNID_MIGRATE_INFO_UP_CPU 0xc4000007
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#define PSCI_FNID_SYSTEM_OFF 0x84000008
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#define PSCI_FNID_SYSTEM_RESET 0x84000009
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#else
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#define PSCI_FNID_VERSION 0x84000000
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#define PSCI_FNID_CPU_SUSPEND 0x84000001
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#define PSCI_FNID_CPU_OFF 0x84000002
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#define PSCI_FNID_CPU_ON 0x84000003
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#define PSCI_FNID_AFFINITY_INFO 0x84000004
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#define PSCI_FNID_MIGRATE 0x84000005
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#define PSCI_FNID_MIGRATE_INFO_TYPE 0x84000006
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#define PSCI_FNID_MIGRATE_INFO_UP_CPU 0x84000007
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#define PSCI_FNID_SYSTEM_OFF 0x84000008
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#define PSCI_FNID_SYSTEM_RESET 0x84000009
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#endif
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#define PSCI_VER_MAJOR(v) (((v) >> 16) & 0xFF)
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#define PSCI_VER_MINOR(v) ((v) & 0xFF)
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enum psci_fn {
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PSCI_FN_VERSION,
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PSCI_FN_CPU_SUSPEND,
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PSCI_FN_CPU_OFF,
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PSCI_FN_CPU_ON,
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PSCI_FN_AFFINITY_INFO,
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PSCI_FN_MIGRATE,
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PSCI_FN_MIGRATE_INFO_TYPE,
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PSCI_FN_MIGRATE_INFO_UP_CPU,
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PSCI_FN_SYSTEM_OFF,
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PSCI_FN_SYSTEM_RESET,
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PSCI_FN_MAX
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};
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#endif /* _MACHINE_PSCI_H_ */
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