[U-Boot] [PATCH V2 3/5] nand spl: add NAND Library to new SPL

[Andreas Bießmann]

Dear Simon,

Am 25.07.2011 um 20:05 schrieb Simon Schwarz:

> Insert some NAND driver sources into NAND SPL library.
> 
> ---
> V1 changes:
> CHG Default to HW ecc in SPL build
> ADD nand_read_buf16 function, read buffer
> ADD omap_dev_ready function, indicte if chip is ready
> 
> V2 changes:
> DEL GPMC_WAIT0_PIN_ACTIVE define
> CHG omap_dev_ready() renamed to  omap_spl_dev_ready(), does not use the
> 	GPMC_WAIT0_PIN_ACTIVE-define anymore
> CHG ogpmc_read_buf16 renamed omap_spl_read_buf16
> ADD omap_spl_read_buf, 8x buf read function
> ADD CONFIG_SPL_POWER_SUPPORT and CONFIG_SPL_NAND_SUPPORT to SPL
> CHG cosmetic
> CHG nand_base and nand_bbt aren't needed for SPL anymore
> CHG omap_nand_switch_ecc is not compiled for SPL
> ADD entry for CONFIG_SPL_POWER_SUPPORT and CONFIG_SPL_NAND_SUPPORT to README.SPL
> 
> Transition from V1 to V2 also includes that this patch is now based on
> 	- the new SPL layout by Aneesh V and Daniel Schwierzeck
> 	- the OMAP4 SPL patches by Aneesh V
> 
> This Patch is related to "[U-Boot,4/5] devkit8000 nand_spl: Add SPL NAND support
> to omap_gpmc driver"
> (http://article.gmane.org/gmane.comp.boot-loaders.u-boot/102115) in V1
> 
> Signed-off-by: Simon Schwarz <simonschwarzcor at gmail.com>
> ---
> doc/README.SPL               |    2 +
> drivers/mtd/nand/Makefile    |    6 +++-
> drivers/mtd/nand/omap_gpmc.c |   69 ++++++++++++++++++++++++++++++++++++++++++
> spl/Makefile                 |    2 +
> 4 files changed, 78 insertions(+), 1 deletions(-)

<snip>

> --- a/drivers/mtd/nand/omap_gpmc.c
> +++ b/drivers/mtd/nand/omap_gpmc.c
> @@ -61,6 +61,55 @@ static void omap_nand_hwcontrol(struct mtd_info *mtd, int32_t cmd,
> 		writeb(cmd, this->IO_ADDR_W);
> }

<snip>

> @@ -224,6 +273,8 @@ static void omap_enable_hwecc(struct mtd_info *mtd, int32_t mode)
> 	}
> }
> 
> +

This single line is unnecessary.

> +#ifndef CONFIG_SPL_BUILD
> /*
>  * omap_nand_switch_ecc - switch the ECC operation b/w h/w ecc and s/w ecc.
>  * The default is to come up on s/w ecc
> @@ -280,6 +331,7 @@ void omap_nand_switch_ecc(int32_t hardware)
> 

regards

Andreas Bießmann