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mtd: bcm47xxnflash: add dev_ready and fill chip_delay 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Rafał Miłecki 2014-08-19 09:14:14 +02:00 committed by Brian Norris
parent 785e5e111f
commit 5282a3acbf
1 changed files with 12 additions and 0 deletions
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12
drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
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@ -174,6 +174,14 @@ static void bcm47xxnflash_ops_bcm4706_select_chip(struct mtd_info *mtd,
return;
}
static int bcm47xxnflash_ops_bcm4706_dev_ready(struct mtd_info *mtd)
{
struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv;
struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv;
return !!(bcma_cc_read32(b47n->cc, BCMA_CC_NFLASH_CTL) & NCTL_READY);
}
/*
* Default nand_command and nand_command_lp don't match BCM4706 hardware layout.
* For example, reading chip id is performed in a non-standard way.
@ -341,6 +349,7 @@ static void bcm47xxnflash_ops_bcm4706_write_buf(struct mtd_info *mtd,
int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n)
{
struct nand_chip *nand_chip = (struct nand_chip *)&b47n->nand_chip;
int err;
u32 freq;
u16 clock;
@ -351,10 +360,13 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n)
u32 val;
b47n->nand_chip.select_chip = bcm47xxnflash_ops_bcm4706_select_chip;
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;
b47n->nand_chip.read_buf = bcm47xxnflash_ops_bcm4706_read_buf;
b47n->nand_chip.write_buf = bcm47xxnflash_ops_bcm4706_write_buf;
nand_chip->chip_delay = 50;
b47n->nand_chip.bbt_options = NAND_BBT_USE_FLASH;
b47n->nand_chip.ecc.mode = NAND_ECC_NONE; /* TODO: implement ECC */