diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/nand.h | 87 | ||||
| -rw-r--r-- | include/linux/mtd/nand_ids.h | 52 |
2 files changed, 139 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h new file mode 100644 index 0000000..a3a7ec3 --- /dev/null +++ b/include/linux/mtd/nand.h @@ -0,0 +1,87 @@ +/* + * u-boot/include/linux/mtd/nand.h + * + * Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com> + * Steven J. Hill <sjhill@cotw.com> + * + * $Id: nand.h,v 1.8 2000/10/30 17:16:17 sjhill Exp $ + * + * 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. + * + * Info: + * Contains standard defines and IDs for NAND flash devices + * + * Changelog: + * 01-31-2000 DMW Created + * 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers + * so it can be used by other NAND flash device + * drivers. I also changed the copyright since none + * of the original contents of this file are specific + * to DoC devices. David can whack me with a baseball + * bat later if I did something naughty. + * 10-11-2000 SJH Added private NAND flash structure for driver + * 10-24-2000 SJH Added prototype for 'nand_scan' function + */ +#ifndef __LINUX_MTD_NAND_H +#define __LINUX_MTD_NAND_H + +/* + * Standard NAND flash commands + */ +#define NAND_CMD_READ0 0 +#define NAND_CMD_READ1 1 +#define NAND_CMD_PAGEPROG 0x10 +#define NAND_CMD_READOOB 0x50 +#define NAND_CMD_ERASE1 0x60 +#define NAND_CMD_STATUS 0x70 +#define NAND_CMD_SEQIN 0x80 +#define NAND_CMD_READID 0x90 +#define NAND_CMD_ERASE2 0xd0 +#define NAND_CMD_RESET 0xff + +/* + * NAND Flash Manufacturer ID Codes + */ +#define NAND_MFR_TOSHIBA 0x98 +#define NAND_MFR_SAMSUNG 0xec + +/* + * NAND Flash Device ID Structure + * + * Structure overview: + * + * name - Complete name of device + * + * manufacture_id - manufacturer ID code of device. + * + * model_id - model ID code of device. + * + * chipshift - total number of address bits for the device which + * is used to calculate address offsets and the total + * number of bytes the device is capable of. + * + * page256 - denotes if flash device has 256 byte pages or not. + * + * pageadrlen - number of bytes minus one needed to hold the + * complete address into the flash array. Keep in + * mind that when a read or write is done to a + * specific address, the address is input serially + * 8 bits at a time. This structure member is used + * by the read/write routines as a loop index for + * shifting the address out 8 bits at a time. + * + * erasesize - size of an erase block in the flash device. + */ +struct nand_flash_dev { + char * name; + int manufacture_id; + int model_id; + int chipshift; + char page256; + char pageadrlen; + unsigned long erasesize; +}; + +#endif /* __LINUX_MTD_NAND_H */ diff --git a/include/linux/mtd/nand_ids.h b/include/linux/mtd/nand_ids.h new file mode 100644 index 0000000..6b733be --- /dev/null +++ b/include/linux/mtd/nand_ids.h @@ -0,0 +1,52 @@ +/* + * u-boot/include/linux/mtd/nand_ids.h + * + * Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com> + * Steven J. Hill <sjhill@cotw.com> + * + * $Id: nand_ids.h,v 1.1 2000/10/13 16:16:26 mdeans Exp $ + * + * 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. + * + * Info: + * Contains standard defines and IDs for NAND flash devices + * + * Changelog: + * 01-31-2000 DMW Created + * 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers + * so it can be used by other NAND flash device + * drivers. I also changed the copyright since none + * of the original contents of this file are specific + * to DoC devices. David can whack me with a baseball + * bat later if I did something naughty. + * 10-11-2000 SJH Added private NAND flash structure for driver + * 2000-10-13 BE Moved out of 'nand.h' - avoids duplication. + */ + +#ifndef __LINUX_MTD_NAND_IDS_H +#define __LINUX_MTD_NAND_IDS_H + +static struct nand_flash_dev nand_flash_ids[] = { + {"Toshiba TC5816BDC", NAND_MFR_TOSHIBA, 0x64, 21, 1, 2, 0x1000}, + {"Toshiba TC5832DC", NAND_MFR_TOSHIBA, 0x6b, 22, 0, 2, 0x2000}, + {"Toshiba TH58V128DC", NAND_MFR_TOSHIBA, 0x73, 24, 0, 2, 0x4000}, + {"Toshiba TC58256FT/DC", NAND_MFR_TOSHIBA, 0x75, 25, 0, 2, 0x4000}, + {"Toshiba TH58512FT", NAND_MFR_TOSHIBA, 0x76, 26, 0, 3, 0x4000}, + {"Toshiba TC58V32DC", NAND_MFR_TOSHIBA, 0xe5, 22, 0, 2, 0x2000}, + {"Toshiba TC58V64AFT/DC", NAND_MFR_TOSHIBA, 0xe6, 23, 0, 2, 0x2000}, + {"Toshiba TC58V16BDC", NAND_MFR_TOSHIBA, 0xea, 21, 1, 2, 0x1000}, + {"Samsung KM29N16000", NAND_MFR_SAMSUNG, 0x64, 21, 1, 2, 0x1000}, + {"Samsung unknown 4Mb", NAND_MFR_SAMSUNG, 0x6b, 22, 0, 2, 0x2000}, + {"Samsung KM29U128T", NAND_MFR_SAMSUNG, 0x73, 24, 0, 2, 0x4000}, + {"Samsung KM29U256T", NAND_MFR_SAMSUNG, 0x75, 25, 0, 2, 0x4000}, + {"Samsung unknown 64Mb", NAND_MFR_SAMSUNG, 0x76, 26, 0, 3, 0x4000}, + {"Samsung KM29W32000", NAND_MFR_SAMSUNG, 0xe3, 22, 0, 2, 0x2000}, + {"Samsung unknown 4Mb", NAND_MFR_SAMSUNG, 0xe5, 22, 0, 2, 0x2000}, + {"Samsung KM29U64000", NAND_MFR_SAMSUNG, 0xe6, 23, 0, 2, 0x2000}, + {"Samsung KM29W16000", NAND_MFR_SAMSUNG, 0xea, 21, 1, 2, 0x1000}, + {NULL,} +}; + +#endif /* __LINUX_MTD_NAND_IDS_H */ |