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/**
* @file
*
* @ingroup lpc32xx_boot
*
* @brief Boot support API.
*/
/*
* 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.
*/
#ifndef LIBBSP_ARM_LPC32XX_BOOT_H
#define LIBBSP_ARM_LPC32XX_BOOT_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup lpc32xx_boot Boot Support
*
* @ingroup RTEMSBSPsARMLPC32XX
*
* @brief Boot support.
*
* The NXP internal boot program shall be the "stage-0 program".
*
* The boot program within the first page of the first or second block shall be
* "stage-1 program". It will be invoked by the stage-0 program from NXP.
*
* The program loaded by the stage-1 program will be the "stage-2 program" or the
* "boot loader".
*
* The program loaded by the stage-2 program will be the "stage-3 program" or the
* "application".
*
* The stage-1 program image must have a format specified by NXP.
*
* The stage-2 and stage-3 program images may have any format.
*
* @{
*/
#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 [128];
} 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 */
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