diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-write-blocks.c')
-rw-r--r-- | c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-write-blocks.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-write-blocks.c b/c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-write-blocks.c deleted file mode 100644 index cfcb9cd27e..0000000000 --- a/c/src/lib/libbsp/arm/lpc32xx/misc/nand-mlc-write-blocks.c +++ /dev/null @@ -1,111 +0,0 @@ -/** - * @file - * - * @ingroup lpc32xx_nand_mlc - * - * @brief lpc32xx_mlc_write_blocks() implementation. - */ - -/* - * Copyright (c) 2010-2011 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Obere Lagerstr. 30 - * 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 const uint32_t ones_spare [MLC_LARGE_SPARE_WORD_COUNT] = { - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff, - 0xffffffff -}; - -rtems_status_code lpc32xx_mlc_write_blocks( - uint32_t block_begin, - uint32_t block_end, - const void *src, - size_t src_size, - uint32_t *page_data_buffer -) -{ - rtems_status_code sc = RTEMS_SUCCESSFUL; - uint32_t pages_per_block = lpc32xx_mlc_pages_per_block(); - uint32_t block_count = lpc32xx_mlc_block_count(); - uint32_t page_size = lpc32xx_mlc_page_size(); - uint32_t block = 0; - const uint8_t *current = src; - const uint8_t *last = current; - const uint8_t *end = current + src_size; - - if (block_begin > block_end || block_end > block_count) { - return RTEMS_INVALID_ID; - } - - for (block = block_begin; block != block_end; ++block) { - uint32_t page_begin = block * pages_per_block; - uint32_t page_end = page_begin + pages_per_block; - uint32_t page = 0; - - sc = lpc32xx_mlc_erase_block_safe_3(block, page_begin, page_end); - if (sc != RTEMS_SUCCESSFUL) { - continue; - } - - for (page = page_begin; page < page_end; ++page) { - uintptr_t remainder = (uintptr_t) end - (uintptr_t) current; - size_t delta = remainder < page_size ? remainder : page_size; - - if (remainder > 0) { - memcpy(page_data_buffer, current, delta); - sc = lpc32xx_mlc_write_page_with_ecc( - page, - page_data_buffer, - ones_spare - ); - if (sc != RTEMS_SUCCESSFUL) { - lpc32xx_mlc_erase_block(block); - lpc32xx_mlc_zero_pages(page_begin, page_end); - current = last; - continue; - } - - current += delta; - } else { - goto done; - } - } - - last = current; - } - -done: - - if (current != end) { - return RTEMS_IO_ERROR; - } - - return RTEMS_SUCCESSFUL; -} |