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authorMaxim Levitsky <maximlevitsky@gmail.com>2010-04-19 17:20:41 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-05-14 02:03:46 +0200
commitc3611570ddf601609f8803574ea83889ff969aa0 (patch)
tree43e0aa84df91365b2bc5c484da1342d83bda9137 /drivers/mtd/nand/sm_common.c
parentmtd: mxc_nand: support i.MX21 (diff)
downloadlinux-c3611570ddf601609f8803574ea83889ff969aa0.tar.xz
linux-c3611570ddf601609f8803574ea83889ff969aa0.zip
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>
Diffstat (limited to 'drivers/mtd/nand/sm_common.c')
-rw-r--r--drivers/mtd/nand/sm_common.c37
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
index aae0b9acd7ae..ac80fb362e63 100644
--- a/drivers/mtd/nand/sm_common.c
+++ b/drivers/mtd/nand/sm_common.c
@@ -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},
+ {NULL,}
+};
- /* 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},
+#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 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;