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/*
* ***************************************************************************
* Copyright (C) 2016 Marvell International Ltd.
* ***************************************************************************
*
* 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 Marvell 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.
*
***************************************************************************
*/
/*
* Copyright (c) 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.
*/
#include <arch_helpers.h>
#include <assert.h>
#include <psci.h>
#include <platform_def.h>
/* Standard ARM platforms are expected to export plat_arm_psci_pm_ops */
extern const plat_psci_ops_t plat_arm_psci_pm_ops;
/*******************************************************************************
* Private function to program the mailbox for a cpu before it is released
* from reset. This function assumes that the mail box base is within
* the MARVELL_SHARED_RAM region
******************************************************************************/
void marvell_program_mailbox(uintptr_t address)
{
uintptr_t *mailbox = (void *)PLAT_MARVELL_MAILBOX_BASE;
/*
* Ensure that the PLAT_MARVELL_MAILBOX_BASE is within
* MARVELL_SHARED_RAM region.
*/
assert((PLAT_MARVELL_MAILBOX_BASE >= MARVELL_SHARED_RAM_BASE) &&
((PLAT_MARVELL_MAILBOX_BASE + sizeof(*mailbox)) <=
(MARVELL_SHARED_RAM_BASE + MARVELL_SHARED_RAM_SIZE)));
/*
* Remove A3700 specific checking after A7K/A8K implement
* the magic number for mailbox.
*/
#ifdef PLAT_a3700
/* Add magic number to avoid wrong operation caused by dirty data */
*mailbox = PLAT_MARVELL_MAILBOX_MAGIC_NUM;
*(mailbox + 1) = address;
#else
*mailbox = address;
#endif
/* Flush data cache if the mail box shared RAM is cached */
#if PLAT_MARVELL_SHARED_RAM_CACHED
flush_dcache_range((uintptr_t)PLAT_MARVELL_MAILBOX_BASE,
2 * sizeof(uint64_t));
#endif
}
/*******************************************************************************
* The ARM Standard platform definition of platform porting API
* `plat_setup_psci_ops`.
******************************************************************************/
int plat_setup_psci_ops(uintptr_t sec_entrypoint,
const plat_psci_ops_t **psci_ops)
{
*psci_ops = &plat_arm_psci_pm_ops;
/* Setup mailbox with entry point. */
marvell_program_mailbox(sec_entrypoint);
return 0;
}
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