UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mtd: nand: Add SmartMedia device table to sm_common module 

(and remove the CONFIG_MTD_NAND_SMARTMEDIA option which isn't going to be
used now that we're doing it this way)

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2010-02-26 18:45:37 +00:00
parent 93edbad69b
commit 2764fb4244
2 changed files with 38 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mtd/nand/Kconfig
View File

@ -18,10 +18,6 @@ config MTD_NAND_VERIFY_WRITE
device thinks the write was successful, a bit could have been
flipped accidentally due to device wear or something else.
config MTD_NAND_SMARTMEDIA
boolean
default n
config MTD_NAND_ECC_SMC
bool "NAND ECC Smart Media byte order"
default n
@ -30,7 +26,6 @@ config MTD_NAND_ECC_SMC
The original Linux implementation had byte 0 and 1 swapped.
config MTD_SM_COMMON
select MTD_NAND_SMARTMEDIA
tristate
default n

40
drivers/mtd/nand/sm_common.c
View File

@ -67,15 +67,51 @@ 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},
{"SmartMedia 2MiB 3,3V", 0xea, 256, 2, 0x1000, 0},
{"SmartMedia 2MiB 5V", 0x64, 256, 2, 0x1000, 0},
{"SmartMedia 2MiB 3,3V ROM", 0x5d, 512, 2, 0x2000, NAND_ROM},
{"SmartMedia 4MiB 3,3V", 0xe3, 512, 4, 0x2000, 0},
{"SmartMedia 4MiB 3,3/5V", 0xe5, 512, 4, 0x2000, 0},
{"SmartMedia 4MiB 5V", 0x6b, 512, 4, 0x2000, 0},
{"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 ROM", 0x57, 512, 16, 0x4000, NAND_ROM},
{"SmartMedia/xD 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 ROM", 0xd9, 512, 64, 0x4000, NAND_ROM},
{"SmartMedia/xD 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 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)
{
struct nand_chip *chip = (struct nand_chip *)mtd->priv;
int ret;
chip->options |= NAND_SKIP_BBTSCAN | NAND_SMARTMEDIA;
chip->options |= NAND_SKIP_BBTSCAN;
/* Scan for card properties */
ret = nand_scan_ident(mtd, 1, NULL);
ret = nand_scan_ident(mtd, 1, nand_smartmedia_flash_ids);
if (ret)
return ret;