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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup lpc32xx_boot
*
* @brief Boot support implementation.
*/
/*
* Copyright (c) 2010 embedded brains GmbH. All rights reserved.
*
* 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 <string.h>
#include <bsp/boot.h>
void lpc32xx_setup_boot_block(
lpc32xx_boot_block *boot_block,
uint8_t icr,
uint8_t page_count
)
{
memset(boot_block, 0, sizeof(*boot_block));
++page_count;
boot_block->field.d0 = icr;
boot_block->field.d2 = icr;
boot_block->field.d4 = page_count;
boot_block->field.d6 = page_count;
boot_block->field.d8 = page_count;
boot_block->field.d10 = page_count;
icr = (uint8_t) ~((unsigned) icr);
page_count = (uint8_t) ~((unsigned) page_count);
boot_block->field.d1 = icr;
boot_block->field.d3 = icr;
boot_block->field.d5 = page_count;
boot_block->field.d7 = page_count;
boot_block->field.d9 = page_count;
boot_block->field.d11 = page_count;
boot_block->field.d12 = 0xaa;
}
void lpc32xx_set_boot_block_bad(
lpc32xx_boot_block *boot_block
)
{
boot_block->field.d12 = 0;
}
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