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/**
* @file
*
* @ingroup lpc32xx_boot
*
* @brief Boot support implementation.
*/
/*
* Copyright (c) 2010 embedded brains GmbH. All rights reserved.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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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