Message ID | 1364969093-19504-1-git-send-email-benoit.thebaudeau@advansee.com |
---|---|
State | Superseded |
Delegated to: | Albert ARIBAUD |
Headers | show |
Hi Benoît, On Wed, 3 Apr 2013 08:04:23 +0200, Benoît Thébaudeau <benoit.thebaudeau@advansee.com> wrote: > From: Fabio Estevam <fabio.estevam@freescale.com> > > Introduce CONFIG_SYS_NAND_BUSWIDTH_16BIT option so that other NAND controller > drivers could use it when a 16-bit NAND is deployed. > > drivers/mtd/nand/ndfc has CONFIG_SYS_NDFC_16BIT, so just rename it, so that > other NAND drivers could reuse the same symbol. > > Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> > Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> > Acked-by: Scott Wood <scottwood@freescale.com> > --- Whole series verified against my locally-rebased v9 and build-tested across ARM, no issue detected. Let a few days go by, say, start of next week so that week-end contributors have a chance to see the series and test it on their boards, and then it'll get in. Amicalement,
diff --git a/README b/README index a35ef31..46e5328 100644 --- a/README +++ b/README @@ -3763,9 +3763,12 @@ Low Level (hardware related) configuration options: - CONFIG_SYS_SRIOn_MEM_SIZE: Size of SRIO port 'n' memory region -- CONFIG_SYS_NDFC_16 - Defined to tell the NDFC that the NAND chip is using a - 16 bit bus. +- CONFIG_SYS_NAND_BUSWIDTH_16BIT + Defined to tell the NAND controller that the NAND chip is using + a 16 bit bus. + Not all NAND drivers use this symbol. + Example of driver that uses it: + - drivers/mtd/nand/ndfc.c - CONFIG_SYS_NDFC_EBC0_CFG Sets the EBC0_CFG register for the NDFC. If not defined diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c index 6ebbb5e..213d2c9 100644 --- a/drivers/mtd/nand/ndfc.c +++ b/drivers/mtd/nand/ndfc.c @@ -156,7 +156,7 @@ static uint8_t ndfc_read_byte(struct mtd_info *mtd) struct nand_chip *chip = mtd->priv; -#ifdef CONFIG_SYS_NDFC_16BIT +#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT return (uint8_t) readw(chip->IO_ADDR_R); #else return readb(chip->IO_ADDR_R); @@ -218,7 +218,7 @@ int board_nand_init(struct nand_chip *nand) nand->ecc.bytes = 3; nand->select_chip = ndfc_select_chip; -#ifdef CONFIG_SYS_NDFC_16BIT +#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT nand->options |= NAND_BUSWIDTH_16; #endif