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mtd: sm_common: split smartmedia and xD table 

2GB xD card, and 4MB SmartMedia ROM card share same ID, so to make both work
split xD and smartmedia ID tables.

Hardware driver must be able to know which type it handles (and probably just one).

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Maxim Levitsky 2010-04-19 18:20:41 +03:00 committed by David Woodhouse
parent a47bfd2eb6
commit c3611570dd
3 changed files with 24 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mtd/nand/r852.c
View File

@ -666,7 +666,7 @@ int r852_register_nand_device(struct r852_device *dev)
r852_engine_enable(dev);
if (sm_register_device(dev->mtd))
if (sm_register_device(dev->mtd, dev->sm))
goto error2;
if (device_create_file(&dev->mtd->dev, &dev_attr_media_type))

39
drivers/mtd/nand/sm_common.c
View File

@ -68,8 +68,6 @@ static int sm_block_markbad(struct mtd_info *mtd, loff_t ofs)
static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
/* SmartMedia */
{"SmartMedia 1MiB 5V", 0x6e, 256, 1, 0x1000, 0},
{"SmartMedia 1MiB 3,3V", 0xe8, 256, 1, 0x1000, 0},
{"SmartMedia 1MiB 3,3V", 0xec, 256, 1, 0x1000, 0},
@ -82,28 +80,34 @@ static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
{"SmartMedia 4MiB 3,3V ROM", 0xd5, 512, 4, 0x2000, NAND_ROM},
{"SmartMedia 8MiB 3,3V", 0xe6, 512, 8, 0x2000, 0},
{"SmartMedia 8MiB 3,3V ROM", 0xd6, 512, 8, 0x2000, NAND_ROM},
#define XD_TYPEM (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
/* xD / SmartMedia */
{"SmartMedia/xD 16MiB 3,3V", 0x73, 512, 16, 0x4000, 0},
{"SmartMedia 16MiB 3,3V", 0x73, 512, 16, 0x4000, 0},
{"SmartMedia 16MiB 3,3V ROM", 0x57, 512, 16, 0x4000, NAND_ROM},
{"SmartMedia/xD 32MiB 3,3V", 0x75, 512, 32, 0x4000, 0},
{"SmartMedia 32MiB 3,3V", 0x75, 512, 32, 0x4000, 0},
{"SmartMedia 32MiB 3,3V ROM", 0x58, 512, 32, 0x4000, NAND_ROM},
{"SmartMedia/xD 64MiB 3,3V", 0x76, 512, 64, 0x4000, 0},
{"SmartMedia 64MiB 3,3V", 0x76, 512, 64, 0x4000, 0},
{"SmartMedia 64MiB 3,3V ROM", 0xd9, 512, 64, 0x4000, NAND_ROM},
{"SmartMedia/xD 128MiB 3,3V", 0x79, 512, 128, 0x4000, 0},
{"SmartMedia 128MiB 3,3V", 0x79, 512, 128, 0x4000, 0},
{"SmartMedia 128MiB 3,3V ROM", 0xda, 512, 128, 0x4000, NAND_ROM},
{"SmartMedia/xD 256MiB 3,3V", 0x71, 512, 256, 0x4000, XD_TYPEM},
{"SmartMedia 256MiB 3,3V", 0x71, 512, 256, 0x4000 },
{"SmartMedia 256MiB 3,3V ROM", 0x5b, 512, 256, 0x4000, NAND_ROM},
/* xD only */
{"xD 512MiB 3,3V", 0xDC, 512, 512, 0x4000, XD_TYPEM},
{"xD 1GiB 3,3V", 0xD3, 512, 1024, 0x4000, XD_TYPEM},
{"xD 2GiB 3,3V", 0xD5, 512, 2048, 0x4000, XD_TYPEM},
{NULL,}
};
int sm_register_device(struct mtd_info *mtd)
#define XD_TYPEM (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
static struct nand_flash_dev nand_xd_flash_ids[] = {
{"xD 16MiB 3,3V", 0x73, 512, 16, 0x4000, 0},
{"xD 32MiB 3,3V", 0x75, 512, 32, 0x4000, 0},
{"xD 64MiB 3,3V", 0x76, 512, 64, 0x4000, 0},
{"xD 128MiB 3,3V", 0x79, 512, 128, 0x4000, 0},
{"xD 256MiB 3,3V", 0x71, 512, 256, 0x4000, XD_TYPEM},
{"xD 512MiB 3,3V", 0xdc, 512, 512, 0x4000, XD_TYPEM},
{"xD 1GiB 3,3V", 0xd3, 512, 1024, 0x4000, XD_TYPEM},
{"xD 2GiB 3,3V", 0xd5, 512, 2048, 0x4000, XD_TYPEM},
{NULL,}
};
int sm_register_device(struct mtd_info *mtd, int smartmedia)
{
struct nand_chip *chip = (struct nand_chip *)mtd->priv;
int ret;
@ -111,7 +115,8 @@ int sm_register_device(struct mtd_info *mtd)
chip->options |= NAND_SKIP_BBTSCAN;
/* Scan for card properties */
ret = nand_scan_ident(mtd, 1, nand_smartmedia_flash_ids);
ret = nand_scan_ident(mtd, 1, smartmedia ?
nand_smartmedia_flash_ids : nand_xd_flash_ids);
if (ret)
return ret;

2
drivers/mtd/nand/sm_common.h
View File

@ -36,7 +36,7 @@ struct sm_oob {
#define SM_SMALL_OOB_SIZE 8
extern int sm_register_device(struct mtd_info *mtd);
extern int sm_register_device(struct mtd_info *mtd, int smartmedia);
static inline int sm_sector_valid(struct sm_oob *oob)