[U-Boot] [RFC PATCH] rockchip, Makefile: add u-boot-tpl-with-spl.img target

Mark Kettenis mark.kettenis at xs4all.nl
Sun Aug 11 19:10:51 UTC 2019


> From: "Matwey V. Kornilov" <matwey.kornilov at gmail.com>
> Date: Sun, 11 Aug 2019 11:06:02 +0300
> 
> Many Rockchip platforms require the same u-boot deploy procedure
> when TPL and SPL both enabled.
> 
> The following examples are taken from doc/README.rockchip
> and board/theobroma-systems/lion_rk3368/README:
> 
> RK3288:
> 
>   ./tools/mkimage -n rk3288 -T rksd -d ./tpl/u-boot-tpl.bin out
>   cat ./spl/u-boot-spl-dtb.bin >> out
>   sudo dd if=out of=/dev/mmcblk0 seek=64
> 
> RK3328:
> 
>   ./tools/mkimage -n rk3328 -T rksd -d ./tpl/u-boot-tpl.bin idbloader.img
>   cat ./spl/u-boot-spl.bin >> idbloader.img
>   sudo dd if=idbloader.img of=/dev/mmcblk0 seek=64
> 
> RK3368:
> 
>   ./tools/mkimage -n rk3368 -T rksd -d tpl/u-boot-tpl.bin spl-3368.img
>   cat spl/u-boot-spl-dtb.bin >> spl-3368.img
>   dd if=spl-3368.img of=/dev/sdb seek=64
> 
> RK3399:
> 
>   ./tools/mkimage -n rk3399 -T rksd -d ./tpl/u-boot-tpl-dtb.bin out
>   cat ./spl/u-boot-spl-dtb.bin >> out
>   sudo dd if=out of=/dev/sdc seek=64
> 
> Here, we introduce generic u-boot-tpl-with-spl.img target
> which is the TPL image followed by the SPL binary.

Nice.  Only comment/question I have is whether we should go with your
name (which fits well with the way we name other U-Boot components) or
use idbloader.img which is the name used in some external
documentation such as:

  http://opensource.rock-chips.com/wiki_Boot_option

Cheers,

Mark

> Signed-off-by: Matwey V. Kornilov <matwey.kornilov at gmail.com>
> ---
>  Makefile | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Makefile b/Makefile
> index 8513db94e3..4d70b6ac2e 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -882,6 +882,10 @@ ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
>  ALL-y += u-boot-with-dtb.bin
>  endif
>  
> +ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL)$(CONFIG_TPL),yyy)
> +ALL-y += u-boot-tpl-with-spl.img
> +endif
> +
>  LDFLAGS_u-boot += $(LDFLAGS_FINAL)
>  
>  # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
> @@ -1293,6 +1297,14 @@ OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
>  u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE
>  	$(call if_changed,pad_cat)
>  
> +ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
> +MKIMAGEFLAGS_u-boot-tpl.img = -n $(CONFIG_SYS_SOC) -T rksd
> +tpl/u-boot-tpl.img: tpl/u-boot-tpl.bin FORCE
> +	$(call if_changed,mkimage)
> +u-boot-tpl-with-spl.img: tpl/u-boot-tpl.img spl/u-boot-spl.bin FORCE
> +	$(call if_changed,cat)
> +endif
> +
>  ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy)
>  MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
>  
> -- 
> 2.16.4
> 
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