diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2014-08-19 11:14:15 +0400 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-09-18 10:25:00 +0400 |
| commit | 90de63324f0abc84f8c1ba56b2848c338cfda1cd (patch) | |
| tree | 7550a95be7864ba86027cb147aa45dfd1236088d /drivers | |
| parent | 5282a3acbfa5295f331696e603a9fd6be3bd4094 (diff) | |
| download | linux-90de63324f0abc84f8c1ba56b2848c338cfda1cd.tar.xz | |
mtd: bcm47xxnflash: add cmd_ctrl handler
This won't be used by NAND subsystem as we implement cmdfunc on our
own, but will allow us to write a bit cleaner code.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c index 1ea5e77facd7..30df67a914b2 100644 --- a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c +++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c @@ -167,6 +167,26 @@ static void bcm47xxnflash_ops_bcm4706_write(struct mtd_info *mtd, * NAND chip ops **************************************************/ +static void bcm47xxnflash_ops_bcm4706_cmd_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + u32 code = 0; + + if (cmd == NAND_CMD_NONE) + return; + + if (cmd & NAND_CTRL_CLE) + code = cmd | NCTL_CMD0; + + /* nCS is not needed for reset command */ + if (cmd != NAND_CMD_RESET) + code |= NCTL_CSA; + + bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, code); +} + /* Default nand_select_chip calls cmd_ctrl, which is not used in BCM4706 */ static void bcm47xxnflash_ops_bcm4706_select_chip(struct mtd_info *mtd, int chip) @@ -360,6 +380,7 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n) u32 val; b47n->nand_chip.select_chip = bcm47xxnflash_ops_bcm4706_select_chip; + nand_chip->cmd_ctrl = bcm47xxnflash_ops_bcm4706_cmd_ctrl; nand_chip->dev_ready = bcm47xxnflash_ops_bcm4706_dev_ready; b47n->nand_chip.cmdfunc = bcm47xxnflash_ops_bcm4706_cmdfunc; b47n->nand_chip.read_byte = bcm47xxnflash_ops_bcm4706_read_byte; |