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Diffstat (limited to 'src/drivers/ao_at45db161d.h')
| -rw-r--r-- | src/drivers/ao_at45db161d.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/drivers/ao_at45db161d.h b/src/drivers/ao_at45db161d.h new file mode 100644 index 00000000..9ee6f1b6 --- /dev/null +++ b/src/drivers/ao_at45db161d.h @@ -0,0 +1,45 @@ +/* + * Copyright © 2010 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +/* Defines for the Atmel AT45DB161D 16Mbit SPI Bus DataFlash® */ + +#ifndef _AT45DB161D_H_ +#define _AT45DB161D_H_ + +/* + * We reserve the last block on the device for + * configuration space. Writes and reads in this + * area return errors. + */ + + +#define FLASH_READ 0x03 +#define FLASH_WRITE 0x82 +#define FLASH_PAGE_ERASE 0x81 +#define FLASH_READ_STATUS 0xd7 +#define FLASH_SET_CONFIG 0x3d + +#define FLASH_SET_512_BYTE_0 0x2a +#define FLASH_SET_512_BYTE_1 0x80 +#define FLASH_SET_512_BYTE_2 0xa6 + +#define FLASH_STATUS_RDY (1 << 7) +#define FLASH_STATUS_COMP (1 << 6) +#define FLASH_STATUS_PROTECT (1 << 1) +#define FLASH_STATUS_PAGESIZE_512 (1 << 0) + +#endif /* _AT45DB161D_H_ */ |