Import the large page oob layout from Linux mxc_nand.c driver.
The CONFIG_SYS_NAND_LARGEPAGE option is used to activate the large page oob layout. Run time detection is not supported as this moment.
This has been tested on the i.MX31 PDK board with a large page NAND device.
Signed-off-by: Magnus Lilja lilja.magnus@gmail.com --- drivers/mtd/nand/mxc_nand.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 3ce3adb..800ee9c 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -149,6 +149,13 @@ static struct nand_ecclayout nand_soft_eccoob = { }; #endif
+static struct nand_ecclayout nand_hw_eccoob_largepage = { + .eccbytes = 20, + .eccpos = {6, 7, 8, 9, 10, 22, 23, 24, 25, 26, + 38, 39, 40, 41, 42, 54, 55, 56, 57, 58}, + .oobfree = {{2, 4}, {11, 10}, {27, 10}, {43, 10}, {59, 5}, } +}; + #ifdef CONFIG_MX27 static int is_16bit_nand(void) { @@ -902,7 +909,12 @@ int board_nand_init(struct nand_chip *this) if (is_16bit_nand()) this->options |= NAND_BUSWIDTH_16;
+#ifdef CONFIG_SYS_NAND_LARGEPAGE + host->pagesize_2k = 1; + this->ecc.layout = &nand_hw_eccoob_largepage; +#else host->pagesize_2k = 0; +#endif
return err; }