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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.
*
***************************************************************************
*/
#include <platform.h>
#include <arch_helpers.h>
#include <mmio.h>
#include <debug.h>
#include <cache_llc.h>
#define CCU_HTC_ASET (MVEBU_CCU_BASE + 0x264)
#define MVEBU_IO_AFFINITY (0xF00)
void plat_enable_affinity(void)
{
int cluster_id;
int affinity;
/* set CPU Affinity */
cluster_id = plat_my_core_pos() / PLAT_MARVELL_CLUSTER_CORE_COUNT;
affinity = (MVEBU_IO_AFFINITY | (1 << cluster_id));
mmio_write_32(CCU_HTC_ASET, affinity);
/* set barier */
__asm__ volatile("isb");
}
void psci_arch_init(int die_index)
{
#if !LLC_DISABLE
/* check if LLC is in exclusive mode
* as L2 is configured to UniqueClean eviction
* (in a8k reset handler)
*/
if (llc_is_exclusive(0) == 0)
ERROR("LLC should be configured to exclusice mode\n");
#endif
/* Enable Affinity */
plat_enable_affinity();
}
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