| /******************************************************************************** |
| * Marvell GPL License Option |
| * |
| * If you received this File from Marvell, you may opt to use, redistribute and/or |
| * modify this File in accordance with the terms and conditions of the General |
| * Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| * available along with the File in the license.txt file or by writing to the Free |
| * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or |
| * on the worldwide web at http://www.gnu.org/licenses/gpl.txt. |
| * |
| * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
| * DISCLAIMED. The GPL License provides additional details about this warranty |
| * disclaimer. |
| ******************************************************************************/ |
| |
| #ifndef _PXA3XX_NAND_READ_RETRY_DEBU_ |
| #define _PXA3XX_NAND_READ_RETRY_DEBU_ |
| /** nand read retry API. |
| * |
| * all the read retry serial function here ,including various kinds of nand chip. |
| * step 1, call read_rr function to read out the register parameter. |
| * step 2, call set_rr to set these parameter to nand chip register when ecc fail in read operation |
| * |
| * Note: |
| * |
| * Author: Tianjun hu, hutj@marvell.com |
| */ |
| |
| #include <linux/mtd/nand.h> |
| |
| #define NAND_TIME_OUT 1000000 |
| #define RR_CMD_LEN 5 |
| #define RR_ADDR_LEN 5 |
| #define RR_READ_LEN 2048 |
| |
| |
| #define SLC_MODE 0x5aa5 |
| #define MLC_MODE 0 |
| |
| enum { |
| NO_READ_RETRY = 0, |
| HYNIX_H27UCG8T_RR_MODE1, |
| } ; |
| |
| int berlin_nand_rr_init(struct pxa3xx_nand *nand, struct nand_flash_dev *flash); |
| void berlin_nand_rr_exit(struct pxa3xx_nand *nand); |
| |
| |
| #endif /* _PXA3XX_NAND_READ_RETRY_DEBU_ */ |
| |
