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/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* All rights reserved.
*
* Peng Fan <peng.fan@nxp.com>
*
* 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 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 <arm32.h>
#include <io.h>
#include <kernel/generic_boot.h>
#include <platform_config.h>
#include <stdint.h>
static void init_csu(void)
{
uintptr_t addr;
/* first grant all peripherals */
for (addr = CSU_BASE + CSU_CSL_START;
addr != CSU_BASE + CSU_CSL_END;
addr += 4)
write32(CSU_ACCESS_ALL, addr);
/* lock the settings */
for (addr = CSU_BASE + CSU_CSL_START;
addr != CSU_BASE + CSU_CSL_END;
addr += 4)
write32(read32(addr) | CSU_SETTING_LOCK, addr);
}
/* MMU not enabled now */
void plat_cpu_reset_late(void)
{
init_csu();
}
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