4 * This file is part of BeRTOS.
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7 * it under the terms of the GNU General Public License as published by
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
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24 * file does not by itself cause the resulting executable to be covered by
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27 * the GNU General Public License.
29 * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
33 * \author Daniele Basile <asterix@develer.com>
35 * \brief At91sam7 Internal flash read/write driver.
43 #include <cpu/types.h>
45 #include <kern/kfile.h>
51 * Define data type to manage page and memory address.
53 typedef uint32_t arm_page_t;
54 typedef uint32_t arm_page_addr_t;
57 * FlashAt91 KFile context structure.
59 typedef struct FlashAt91
67 * Flag for checking if current page is modified.
72 * Current buffered page.
77 * Temporary buffer cointaing data block to
80 uint8_t page_buf[FLASH_PAGE_SIZE_BYTES];
88 #define KFT_FLASHAT91 MAKE_ID('F', 'A', '9', '1')
91 * Convert + ASSERT from generic KFile to FlashAt91.
93 INLINE FlashAt91 * FLASHAT91_CAST(KFile *fd)
95 ASSERT(fd->_type == KFT_FLASHAT91);
96 return (FlashAt91 *)fd;
100 void flash_at91_init(FlashAt91 *fd);