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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 OWNER 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 <bsp/qoriq.h>
#if QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT)
#include <libcpu/powerpc-utility.h>
void qoriq_clear_ce_portal(void *base, size_t size)
{
size_t offset;
for (offset = 0; offset < size; offset += 64) {
ppc_data_cache_block_clear_to_zero_2(base, offset);
ppc_data_cache_block_flush_2(base, offset);
}
}
void qoriq_clear_ci_portal(void *base, size_t size)
{
uint32_t zero;
size_t offset;
zero = 0;
for (offset = 0; offset < size; offset += 4) {
ppc_write_word(zero, (char *) base + offset);
}
}
#endif
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