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Diffstat (limited to 'c/src/lib/libbsp/arm/lpc32xx/include/boot.h')
-rw-r--r-- | c/src/lib/libbsp/arm/lpc32xx/include/boot.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc32xx/include/boot.h b/c/src/lib/libbsp/arm/lpc32xx/include/boot.h new file mode 100644 index 0000000000..cb8ab5c392 --- /dev/null +++ b/c/src/lib/libbsp/arm/lpc32xx/include/boot.h @@ -0,0 +1,111 @@ +/** + * @file + * + * @ingroup lpc32xx_boot + * + * @brief Boot support API. + */ + +/* + * 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.com/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 */ + +/** + * @defgroup lpc32xx_boot Boot Support + * + * @ingroup lpc32xx + * + * @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_STAGE_1_BLOCK_0 0 +#define LPC32XX_BOOT_STAGE_1_BLOCK_1 1 +#define LPC32XX_BOOT_STAGE_2_BLOCK_0 2 + +#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 +); + +/** @} */ + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_LPC32XX_BOOT_H */ |