X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=include%2Fnand.h;h=84116f493722e41d1cd808c2005802ccf07782c0;hb=56cde17760deacc45866cdc6a2248d0fc245026d;hp=23f3ca1db823bdbe30bb8da70f2a83df9f1ac36a;hpb=23bca26ab0d09c043bfcada881e423a28cb6b574;p=karo-tx-uboot.git diff --git a/include/nand.h b/include/nand.h index 23f3ca1db8..84116f4937 100644 --- a/include/nand.h +++ b/include/nand.h @@ -9,29 +9,35 @@ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. - * - * 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 */ #ifndef _NAND_H_ #define _NAND_H_ +#include + +/* + * All boards using a given driver must convert to self-init + * at the same time, so do it here. When all drivers are + * converted, this will go away. + */ +#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_ATMEL)\ + || defined(CONFIG_NAND_FSL_IFC) +#define CONFIG_SYS_NAND_SELF_INIT +#endif + extern void nand_init(void); -#ifndef CONFIG_NAND_LEGACY -#include +#include #include #include +#ifdef CONFIG_SYS_NAND_SELF_INIT +void board_nand_init(void); +int nand_register(int devnum); +#else extern int board_nand_init(struct nand_chip *nand); +#endif typedef struct mtd_info nand_info_t; @@ -40,17 +46,17 @@ extern nand_info_t nand_info[]; static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf) { - return info->read(info, ofs, *len, (size_t *)len, buf); + return mtd_read(info, ofs, *len, (size_t *)len, buf); } static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf) { - return info->write(info, ofs, *len, (size_t *)len, buf); + return mtd_write(info, ofs, *len, (size_t *)len, buf); } static inline int nand_block_isbad(nand_info_t *info, loff_t ofs) { - return info->block_isbad(info, ofs); + return mtd_block_isbad(info, ofs); } static inline int nand_erase(nand_info_t *info, loff_t off, size_t size) @@ -62,7 +68,7 @@ static inline int nand_erase(nand_info_t *info, loff_t off, size_t size) instr.len = size; instr.callback = 0; - return info->erase(info, &instr); + return mtd_erase(info, &instr); } @@ -99,36 +105,59 @@ struct nand_read_options { typedef struct nand_read_options nand_read_options_t; struct nand_erase_options { - ulong length; /* number of bytes to erase */ - ulong offset; /* first address in NAND to erase */ + loff_t length; /* number of bytes to erase */ + loff_t offset; /* first address in NAND to erase */ int quiet; /* don't display progress messages */ int jffs2; /* if true: format for jffs2 usage * (write appropriate cleanmarker blocks) */ int scrub; /* if true, really clean NAND by erasing * bad blocks (UNSAFE) */ + + /* Don't include skipped bad blocks in size to be erased */ + int spread; + /* maximum size that actual may be in order to not exceed the buf */ + loff_t lim; }; typedef struct nand_erase_options nand_erase_options_t; int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length, - u_char *buffer); + size_t *actual, loff_t lim, u_char *buffer); + +#define WITH_YAFFS_OOB (1 << 0) /* whether write with yaffs format. This flag + * is a 'mode' meaning it cannot be mixed with + * other flags */ +#define WITH_DROP_FFS (1 << 1) /* drop trailing all-0xff pages */ + int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length, - u_char *buffer); + size_t *actual, loff_t lim, u_char *buffer, int flags); int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts); +int nand_torture(nand_info_t *nand, loff_t offset); #define NAND_LOCK_STATUS_TIGHT 0x01 -#define NAND_LOCK_STATUS_LOCK 0x02 #define NAND_LOCK_STATUS_UNLOCK 0x04 -int nand_lock( nand_info_t *meminfo, int tight ); -int nand_unlock( nand_info_t *meminfo, ulong start, ulong length ); +int nand_lock(nand_info_t *meminfo, int tight); +int nand_unlock(nand_info_t *meminfo, loff_t start, size_t length, + int allexcept); int nand_get_lock_status(nand_info_t *meminfo, loff_t offset); +int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst); +void nand_deselect(void); + #ifdef CONFIG_SYS_NAND_SELECT_DEVICE void board_nand_select_device(struct nand_chip *nand, int chip); #endif __attribute__((noreturn)) void nand_boot(void); -#endif /* !CONFIG_NAND_LEGACY */ +#endif + +#ifdef CONFIG_ENV_OFFSET_OOB +#define ENV_OOB_MARKER 0x30425645 /*"EVB0" in little-endian -- offset is stored + as block number*/ +#define ENV_OOB_MARKER_OLD 0x30564e45 /*"ENV0" in little-endian -- offset is + stored as byte number */ +#define ENV_OFFSET_SIZE 8 +int get_nand_env_oob(nand_info_t *nand, unsigned long *result); #endif