? 2012?01?30? 17:46, Wolfram Sang ??:

On Mon, Jan 30, 2012 at 12:36:14PM +0800, Huang Shijie wrote:

quoted

add the BBT support to the gpmi nand driver.
Signed-off-by: Huang Shijie <redacted>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 493ec2f..4fbb341 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c

@@ -1493,6 +1493,7 @@ static int __devinit gpmi_nfc_init(struct gpmi_nand_data *this)
 	chip->ecc.mode		= NAND_ECC_HW;
 	chip->ecc.size		= 1;
 	chip->ecc.layout	= &gpmi_hw_ecclayout;
+	chip->bbt_options	= NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB;

You are making this default. Is there a bootloader which supports that
on MXS?

The bootloader usually is burned on /dev/mtd0, while the BBT is placed
at the end
of the NAND chip.

I tested the NAND boot mode too.

What's your concern?

Huang Shijie