[U-Boot] [PATCH] arm: at91: gardena-smart-gateway-at91sam: Enable CONFIG_SYS_NAND_USE_FLASH_BBT

[Eugen.Hristev at microchip.com]

On 27.08.2019 09:14, Stefan Roese wrote:

> 
> This patch enables the BBT in NAND on the AT91SAM based GARDENA smart
> Gateway. This is especially important, since the Linux driver also
> enables this option and uses the BBT table pages. Without setting this
> option, U-Boot will try to re-use these pages again (e.g. UBI).
> 
> Signed-off-by: Stefan Roese <sr at denx.de>
> Cc: Eugen Hristev <eugen.hristev at microchip.com>
> Cc: Tom Rini <trini at konsulko.com>
> ---
> Eugen, I would advise you to double-check, if your AT91 based boards
> using NAND also have this BBT option enabled in Linux. If yes, its
> definitely necessary to enable it in U-Boot as well to match the same
> layout.

Hi Stefan,

Thank you for the patch.
I will look into it with help of Tudor and provide some feedback.

Eugen

> 
>   configs/gardena-smart-gateway-at91sam_defconfig | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/configs/gardena-smart-gateway-at91sam_defconfig b/configs/gardena-smart-gateway-at91sam_defconfig
> index c495ba4612..4a2cc331a6 100644
> --- a/configs/gardena-smart-gateway-at91sam_defconfig
> +++ b/configs/gardena-smart-gateway-at91sam_defconfig
> @@ -17,6 +17,7 @@ CONFIG_DEBUG_UART_BASE=0xfffff200
>   CONFIG_DEBUG_UART_CLOCK=132000000
>   CONFIG_SMBIOS_PRODUCT_NAME="at91sam9x5ek"
>   CONFIG_DEBUG_UART=y
> +CONFIG_SPL_TEXT_BASE=0x300000
>   CONFIG_FIT=y
>   CONFIG_NAND_BOOT=y
>   CONFIG_BOOTDELAY=3
> @@ -24,7 +25,6 @@ CONFIG_USE_BOOTARGS=y
>   CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk mtdparts=atmel_nand:256k(bootstrap)ro,768k(uboot)ro,256k(env_redundant),256k(env),512k(dtb),6M(kernel)ro,-(rootfs) rootfstype=ubifs ubi.mtd=6 root=ubi0:rootfs rw"
>   CONFIG_SYS_CONSOLE_IS_IN_ENV=y
>   CONFIG_SYS_CONSOLE_INFO_QUIET=y
> -CONFIG_SPL_TEXT_BASE=0x300000
>   CONFIG_SPL_SYS_MALLOC_SIMPLE=y
>   CONFIG_SPL_SEPARATE_BSS=y
>   # CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR is not set
> @@ -66,7 +66,6 @@ CONFIG_AT91_GPIO=y
>   CONFIG_LED=y
>   CONFIG_LED_GPIO=y
>   # CONFIG_MMC is not set
> -# CONFIG_SYS_NAND_USE_FLASH_BBT is not set
>   CONFIG_NAND_ATMEL=y
>   CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER=y
>   CONFIG_DM_ETH=y
>