boot.h

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/*
 * Copyright (c) 2010
 * embedded brains GmbH
 * Obere Lagerstr. 30
 * D-82178 Puchheim
 * Germany
 * <rtems@embedded-brains.de>
 *
 * 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.
 */
 
#ifndef LIBBSP_ARM_LPC32XX_BOOT_H
#define LIBBSP_ARM_LPC32XX_BOOT_H
 
#include <stdint.h>
 
#include <bsp/nand-mlc.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
#define LPC32XX_BOOT_BLOCK_0 0
#define LPC32XX_BOOT_BLOCK_1 1
 
#define LPC32XX_BOOT_ICR_SP_3AC_8IF 0xf0
#define LPC32XX_BOOT_ICR_SP_4AC_8IF 0xd2
#define LPC32XX_BOOT_ICR_LP_4AC_8IF 0xb4
#define LPC32XX_BOOT_ICR_LP_5AC_8IF 0x96
 
typedef union {
  struct {
    uint8_t d0;
    uint8_t reserved_0 [3];
    uint8_t d1;
    uint8_t reserved_1 [3];
    uint8_t d2;
    uint8_t reserved_2 [3];
    uint8_t d3;
    uint8_t reserved_3 [3];
    uint8_t d4;
    uint8_t reserved_4 [3];
    uint8_t d5;
    uint8_t reserved_5 [3];
    uint8_t d6;
    uint8_t reserved_6 [3];
    uint8_t d7;
    uint8_t reserved_7 [3];
    uint8_t d8;
    uint8_t reserved_8 [3];
    uint8_t d9;
    uint8_t reserved_9 [3];
    uint8_t d10;
    uint8_t reserved_10 [3];
    uint8_t d11;
    uint8_t reserved_11 [3];
    uint8_t d12;
    uint8_t reserved_12 [463];
  } field;
  uint32_t data [MLC_SMALL_DATA_WORD_COUNT];
} lpc32xx_boot_block;
 
void lpc32xx_setup_boot_block(
  lpc32xx_boot_block *boot_block,
  uint8_t icr,
  uint8_t page_count
);
 
void lpc32xx_set_boot_block_bad(
  lpc32xx_boot_block *boot_block
);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* LIBBSP_ARM_LPC32XX_BOOT_H */