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Diffstat (limited to 'ubi-utils/src/ubiinfo/ubiflash.h')
| -rw-r--r-- | ubi-utils/src/ubiinfo/ubiflash.h | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/ubi-utils/src/ubiinfo/ubiflash.h b/ubi-utils/src/ubiinfo/ubiflash.h deleted file mode 100644 index 6883879..0000000 --- a/ubi-utils/src/ubiinfo/ubiflash.h +++ /dev/null @@ -1,185 +0,0 @@ -#ifndef _UBI_FLASH_H -#define _UBI_FLASH_H -/* - * Copyright (c) International Business Machines Corp., 2006 - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* - * FLASH related data structures and constants for UBI. - * UBI scan analysis. - * - * IPL Initial Program Loader - * SPL Secondary Program Loader - */ - -#include <stdint.h> -#include <asm/byteorder.h> -#include <mtd/ubi-header.h> - -#define UBI_BLOCK_IDENT_MAX 16 - -/* Block status information constants */ -enum blockstat { - /* IO Error */ - STAT_IO_FAILED = 1, /* 0xffffffff */ - /* Block is bad */ - STAT_BLOCK_BAD = 2, /* 0xfffffffe */ - /* ECC unrecoverable error */ - STAT_ECC_ERROR = 3, /* 0xfffffffd */ - /* CRC checksum failed */ - STAT_CRC_ERROR = 4, /* 0xfffffffc */ - /* Magic number not available */ - STAT_NO_MAGIC = 5, /* 0xfffffffb */ - /* No image available */ - STAT_NO_IMAGE = 6, - /* Image is invalid */ - STAT_INVALID_IMAGE = 7, - /* Image is defect */ - STAT_DEFECT_IMAGE = 8, -}; - -/* - * Flash types - */ -enum flashtypes { - FLASH_TYPE_NAND = 1, - FLASH_TYPE_NOR, -}; - -/* Nand read buffer size: 2KiB + 64byte spare */ -#define NAND_READ_BUF_SIZE (2048 + 64) - -/* Size of the CRC table */ -#define CRC32_TABLE_SIZE 256 - -/* Image is not available marker for image offs */ -#define UBI_IMAGE_NOT_AVAILABLE 0xFFFFFFFF - -/* Increment this number, whenever you change the structure */ -#define UBI_SCAN_INFO_VERSION 2 - -/* Time measurement as far as the code size allows us to do this */ -#define UBI_TIMESTAMPS 16 - -/** - * struct ubi_scan_info - RAM table filled by IPL scan - * - * @version: Version of the structure - * @bootstatus: Boot status of the current boot - * @flashtype: Flash type (NAND/NOR) - * @flashid: ID of the flash chip - * @flashmfr: Manufacturer ID of the flash chip - * @flashsize: Size of the FLASH - * @blocksize: Eraseblock size - * @blockshift: Shift count to calc block number from offset - * @nrblocks: Number of erase blocks on flash - * @pagesize: Pagesize (NAND) - * @blockinfo: Pointer to an array of block status information - * filled by FLASH scan - * @images: Pointer to FLASH block translation table sorted - * by image type and load order - * @imageblocks: Number of blocks found per image - * @imageoffs: Offset per imagetype to the first - * block in the translation table - * @imagedups duplicate blocks (max. one per volume) - * @imagelen: Length of the loaded image - * @crc32_table: CRC32 table buffer - * @page_buf: Page buffer for NAND FLASH - */ -struct ubi_scan_info { - int version; - unsigned int bootstatus; - unsigned int flashtype; - unsigned int flashid; - unsigned int flashmfr; - unsigned int flashsize; - unsigned int blocksize; - unsigned int blockshift; - unsigned int nrblocks; - unsigned int pagesize; - - struct ubi_vid_hdr *blockinfo; - struct ubi_vid_hdr **images; - unsigned int imageblocks[UBI_BLOCK_IDENT_MAX]; - unsigned int imageoffs[UBI_BLOCK_IDENT_MAX]; - struct ubi_vid_hdr *imagedups[UBI_BLOCK_IDENT_MAX]; - unsigned int imagelen; - uint32_t crc32_table[CRC32_TABLE_SIZE]; - uint8_t page_buf[NAND_READ_BUF_SIZE]; - unsigned int times[UBI_TIMESTAMPS]; -}; - -/* External function definition */ -extern int flash_read(void *buf, unsigned int offs, int len); -extern int flash_read_slice(struct ubi_scan_info *fi, void *buf, - unsigned int offs, int len); -extern void ipl_main(struct ubi_scan_info *fi); - -#ifndef CFG_EXAMPLE_IPL -extern int ipl_scan(struct ubi_scan_info *fi); -extern int ipl_load(struct ubi_scan_info *fi, int nr, uint8_t *loadaddr); - -#define IPL_STATIC - -#else -#define IPL_STATIC static -#endif - -/** - * get_boot_status - get the boot status register - * - * Shift the lower 16 bit into the upper 16 bit and return - * the result. - */ -uint32_t get_boot_status(void); - -/** - * set_boot_status - Set the boot status register - * - * @status: The status value to set - * - */ -void set_boot_status(uint32_t status); - -static inline unsigned int ubi_vid_offset(struct ubi_scan_info *fi) -{ - if (fi->flashtype == FLASH_TYPE_NOR) - return UBI_EC_HDR_SIZE; - else - return fi->pagesize - UBI_VID_HDR_SIZE; -} - -static inline unsigned int ubi_data_offset(struct ubi_scan_info *fi) -{ - if (fi->flashtype == FLASH_TYPE_NOR) - return UBI_EC_HDR_SIZE + UBI_VID_HDR_SIZE; - else - return fi->pagesize; -} - -/** - * IPL checkpoints - */ -#define CHKP_HWINIT 0x3030 -#define CHKP_IPLSCAN_FAILED 0x3034 -#define CHKP_SPL_START 0x3037 -#define CHKP_SPLLOAD_STATUS 0x3130 - -extern void checkpoint(uint32_t cpoint); -extern void switch_watchdog(void); - -#endif |