| /* |
| * Copyright (c) 2008, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| |
| #ifndef __DEV_FLASH_H |
| #define __DEV_FLASH_H |
| |
| #include <lib/ptable.h> |
| |
| |
| struct flash_info { |
| unsigned id; |
| unsigned type; |
| unsigned vendor; |
| unsigned device; |
| unsigned page_size; |
| unsigned block_size; |
| unsigned spare_size; |
| unsigned num_blocks; |
| }; |
| |
| void flash_init(void); |
| struct ptable *flash_get_ptable(void); |
| void flash_set_ptable(struct ptable *ptable); |
| struct flash_info *flash_get_info(void); |
| |
| /* flash operations */ |
| int flash_erase(struct ptentry *ptn); |
| int flash_read_ext(struct ptentry *ptn, unsigned extra_per_page, |
| unsigned offset, void *data, unsigned bytes); |
| int flash_write(struct ptentry *ptn, unsigned extra_per_page, const void *data, |
| unsigned bytes); |
| |
| static inline int flash_read(struct ptentry *ptn, unsigned offset, void *data, |
| unsigned bytes) |
| { |
| return flash_read_ext(ptn, 0, offset, data, bytes); |
| } |
| unsigned flash_page_size(void); |
| int flash_ecc_bch_enabled(void); |
| |
| |
| #endif /* __DEV_FLASH_H */ |