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| author | Stefan Bigler <stefan.bigler@keymile.com> | 2011-07-18 15:25:11 +0200 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2011-10-03 18:35:11 -0500 |
| commit | 156800905a17f3ce1638f89fb0f7b4bf55a1fa02 (patch) | |
| tree | 835007eaf4dabbe6dab047a6dc9a3b5a72621479 | |
| parent | 7b8ffea2ac44097ed1c99ba70b8c6a4cf12ba0b4 (diff) | |
| download | u-boot-imx-156800905a17f3ce1638f89fb0f7b4bf55a1fa02.zip u-boot-imx-156800905a17f3ce1638f89fb0f7b4bf55a1fa02.tar.gz u-boot-imx-156800905a17f3ce1638f89fb0f7b4bf55a1fa02.tar.bz2 | |
nand: increase chip_delay in mv kirkwood nand driver
The new SAMSUNG NAND Flash K9F1G08U0D require a bigger chip_delay.
The Data Transfer from Cell to Register is >= 35us. Other Vendors
and older chips normally use >= 25us. To have enough margin 40us
is selected.
Signed-off-by: Stefan Bigler <stefan.bigler@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Stefan Roese <sr@denx.de>
Signed-off-by: Scott Wood <scottwood@freescale.com>
| -rw-r--r-- | drivers/mtd/nand/kirkwood_nand.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/kirkwood_nand.c b/drivers/mtd/nand/kirkwood_nand.c index 376378e..bdab5aa 100644 --- a/drivers/mtd/nand/kirkwood_nand.c +++ b/drivers/mtd/nand/kirkwood_nand.c @@ -76,7 +76,7 @@ int board_nand_init(struct nand_chip *nand) nand->options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING; nand->ecc.mode = NAND_ECC_SOFT; nand->cmd_ctrl = kw_nand_hwcontrol; - nand->chip_delay = 30; + nand->chip_delay = 40; nand->select_chip = kw_nand_select_chip; return 0; } |