diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2012-11-23 09:58:11 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-12-03 16:36:52 +0200 |
| commit | a6b3ed29ae3fd9853280d4f6a9275c43fb4e1c3b (patch) | |
| tree | f03453eca34f16cd46665c8432884d6a0e42ce1a /drivers/mtd/nand | |
| parent | e7e46168bcc768fa31628d3d080ac9ee7b553b56 (diff) | |
mtd: bcm47xxnflash: support NAND_CMD_STATUS
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c index 672dc90aa5b1..ece343ccc1b0 100644 --- a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c +++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c @@ -156,6 +156,7 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd, { struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + struct bcma_drv_cc *cc = b47n->cc; u32 ctlcode; int i; @@ -196,6 +197,11 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd, } break; + case NAND_CMD_STATUS: + ctlcode = NCTL_CSA | NCTL_CMD0 | NAND_CMD_STATUS; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode)) + pr_err("STATUS command error\n"); + break; case NAND_CMD_READ0: break; case NAND_CMD_READOOB: @@ -213,6 +219,7 @@ static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) { struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + struct bcma_drv_cc *cc = b47n->cc; u32 tmp = 0; switch (b47n->curr_command) { @@ -223,6 +230,10 @@ static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) return 0; } return b47n->id_data[b47n->curr_column++]; + case NAND_CMD_STATUS: + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, NCTL_READ)) + return 0; + return bcma_cc_read32(cc, BCMA_CC_NFLASH_DATA) & 0xff; case NAND_CMD_READOOB: bcm47xxnflash_ops_bcm4706_read(mtd, (u8 *)&tmp, 4); return tmp & 0xFF; |