[U-Boot] [PATCH v3] imx: add u-boot-nand.imx target

[Oleksandr Suvorov]

On Wed, Jul 24, 2019 at 5:15 PM Igor Opaniuk <igor.opaniuk at gmail.com> wrote:
>
> From: Igor Opaniuk <igor.opaniuk at toradex.com>
>
> Add an additional target which prepends the u-boot.imx image with
> 0x400 padding bytes. On Vybrid and i.MX 7, i.MX6ULL this is required
> for NAND boot devices. The configuration CONFIG_IMX_NAND enables this
> image for a board.
>
> Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
> Signed-off-by: Igor Opaniuk <igor.opaniuk at toradex.com>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>

> ---
>
> v3:
> - fixed depedency of Ksymbol
>
> v2:
> - addressed Jagan's comment
>
>  Kconfig                    | 1 +
>  Makefile                   | 3 +++
>  arch/arm/mach-imx/Makefile | 7 +++++++
>  3 files changed, 11 insertions(+)
>
> diff --git a/Kconfig b/Kconfig
> index d2eb744e70..c9473e00a9 100644
> --- a/Kconfig
> +++ b/Kconfig
> @@ -253,6 +253,7 @@ config BUILD_TARGET
>         default "u-boot.itb" if SPL_LOAD_FIT && (ROCKCHIP_RK3399 || ARCH_SUNXI)
>         default "u-boot.kwb" if KIRKWOOD
>         default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
> +       default "u-boot-nand.imx" if (ARCH_MX6 || ARCH_MX7) && NAND_BOOT
>         help
>           Some SoCs need special image types (e.g. U-Boot binary
>           with a special header) as build targets. By defining
> diff --git a/Makefile b/Makefile
> index 73fdf70cdd..287b74dd50 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1106,6 +1106,9 @@ endif
>  %.vyb: %.imx
>         $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
>
> +u-boot-nand.imx: u-boot.imx
> +       $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
> +
>  quiet_cmd_copy = COPY    $@
>        cmd_copy = cp $< $@
>
> diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
> index 898478fc4a..365a5951f1 100644
> --- a/arch/arm/mach-imx/Makefile
> +++ b/arch/arm/mach-imx/Makefile
> @@ -112,6 +112,13 @@ u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log
>  u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
>         $(call if_changed,mkimage)
>
> +ifeq ($(CONFIG_NAND_BOOT),y)
> +cmd_u-boot-nand_imx = (dd bs=1024 count=1 if=/dev/zero 2>/dev/null) | \
> +       cat - $< > $@
> +u-boot-nand.imx: u-boot.imx FORCE
> +       $(call if_changed,u-boot-nand_imx)
> +endif
> +
>  ifeq ($(CONFIG_MULTI_DTB_FIT),y)
>  MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \
>         -T $(IMAGE_TYPE) -e $(CONFIG_SYS_TEXT_BASE)
> --
> 2.17.1
>
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-- 
Best regards
Oleksandr Suvorov

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