diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-read-blocks.c')
-rw-r--r-- | c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-read-blocks.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-read-blocks.c b/c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-read-blocks.c deleted file mode 100644 index bc01a984ea..0000000000 --- a/c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-read-blocks.c +++ /dev/null @@ -1,134 +0,0 @@ -/** - * @file - * - * @ingroup lpc32xx_nand_mlc - * - * @brief lpc32xx_mlc_read_blocks() implementation. - */ - -/* - * 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. - */ - -#include <bsp/nand-mlc.h> - -#include <string.h> - -static rtems_status_code read_page( - uint32_t first_page_of_block, - uint32_t page, - uint32_t page_data [MLC_LARGE_DATA_WORD_COUNT], - uint32_t page_spare [MLC_LARGE_SPARE_WORD_COUNT] -) -{ - rtems_status_code sc = RTEMS_SUCCESSFUL; - uint32_t page_index = first_page_of_block + page; - bool possible_bad_page = page == 0 || page == 1; - - if (possible_bad_page) { - memset(page_spare, 0, MLC_LARGE_SPARE_SIZE); - } - - sc = lpc32xx_mlc_read_page(page_index, page_data, page_spare, NULL); - if (possible_bad_page && lpc32xx_mlc_is_bad_page(page_spare)) { - return RTEMS_UNSATISFIED; - } else if (sc == RTEMS_SUCCESSFUL) { - return RTEMS_SUCCESSFUL; - } else { - return sc; - } -} - -rtems_status_code lpc32xx_mlc_read_blocks( - uint32_t block_begin, - uint32_t block_end, - lpc32xx_mlc_read_process process, - void *process_arg, - uint32_t page_buffer_0 [MLC_LARGE_DATA_WORD_COUNT], - uint32_t page_buffer_1 [MLC_LARGE_DATA_WORD_COUNT] -) -{ - rtems_status_code sc = RTEMS_SUCCESSFUL; - uint32_t page_spare_0 [MLC_LARGE_SPARE_WORD_COUNT]; - uint32_t page_spare_1 [MLC_LARGE_SPARE_WORD_COUNT]; - uint32_t pages_per_block = lpc32xx_mlc_pages_per_block(); - uint32_t page_size = lpc32xx_mlc_page_size(); - uint32_t block = 0; - uint32_t first_page_of_block = block_begin * pages_per_block; - - for ( - block = block_begin; - block != block_end; - ++block, first_page_of_block += pages_per_block - ) { - uint32_t page = 0; - bool done = false; - - sc = read_page(first_page_of_block, 0, page_buffer_0, page_spare_0); - if (sc == RTEMS_UNSATISFIED) { - continue; - } else if (sc != RTEMS_SUCCESSFUL) { - goto done; - } - - sc = read_page(first_page_of_block, 1, page_buffer_1, page_spare_1); - if (sc == RTEMS_UNSATISFIED) { - continue; - } else if (sc != RTEMS_SUCCESSFUL) { - goto done; - } - - done = (*process)( - process_arg, - first_page_of_block + 0, - page_size, - page_buffer_0, - page_spare_0 - ); - if (done) { - goto done; - } - - done = (*process)( - process_arg, - first_page_of_block + 1, - page_size, - page_buffer_1, - page_spare_1 - ); - if (done) { - goto done; - } - - for (page = 2; page < pages_per_block; ++page) { - sc = read_page(first_page_of_block, page, page_buffer_1, page_spare_1); - if (sc != RTEMS_SUCCESSFUL) { - goto done; - } - - done = (*process)( - process_arg, - first_page_of_block + page, - page_size, - page_buffer_1, - page_spare_1 - ); - if (done) { - goto done; - } - } - } - -done: - - return sc; -} |