[U-Boot] dtb build issue on U-Boot

[Masahiro Yamada]

Hi Kever, Simon,
Sorry for my late reply.

2017-06-07 6:16 GMT+09:00 Simon Glass <sjg at chromium.org>:
> +Masahiro
>
> On 6 June 2017 at 05:45, Kever Yang <kever.yang at rock-chips.com> wrote:
>>
>> I notice that the dtb content in spl/u-boot-spl.bin and u-boot.bin not
>>
>> able to update after I modify the dts file and make again, I have to
>>
>> "make clean" first, and then the "make" can update the dtb content
>>
>> to output binary, which lead to bad efficiency when try to modify dts.
>>
>> I have try below command, the dtb file also not updated before "make clean".
>>
>> dtc -I dtb -O dts spl/u-boot-spl.dtb
>>
>> Is there any one can help fix this issue?
>
> I have noticed this too, and also that changing a .dtsi file is not noticed.
>
> Probably it is missing a dependency in the makefile.


I could not reproduce the issue for me.

Editing a DT file and re-compiling gave me the expected result.


masahiro at pug:~/ref/u-boot$ make -s mrproper
masahiro at pug:~/ref/u-boot$ make -s CROSS_COMPILE=aarch64-linux-gnu-
uniphier_v8_defconfig all
masahiro at pug:~/ref/u-boot$ nano arch/arm/dts/uniphier-ld20.dtsi
(add hello-world property)
masahiro at pug:~/ref/u-boot$ make  CROSS_COMPILE=aarch64-linux-gnu-
  CHK     include/config/uboot.release
  CHK     include/generated/version_autogenerated.h
  CHK     include/generated/timestamp_autogenerated.h
  UPD     include/generated/timestamp_autogenerated.h
  CHK     include/generated/generic-asm-offsets.h
  CHK     include/generated/asm-offsets.h
  HOSTCC  tools/mkenvimage.o
  HOSTLD  tools/mkenvimage
  HOSTCC  tools/fit_image.o
  HOSTCC  tools/image-host.o
  HOSTCC  tools/dumpimage.o
  HOSTLD  tools/dumpimage
  HOSTCC  tools/mkimage.o
  HOSTLD  tools/mkimage
  CC      arch/arm/cpu/armv8/fwcall.o
  LD      arch/arm/cpu/armv8/built-in.o
  CC      cmd/version.o
  CHK     cmd/config_data_gz.h
  CHK     cmd/config_data_size.h
  LD      cmd/built-in.o
  CC      common/main.o
  LD      common/built-in.o
  CC      lib/efi_loader/helloworld.o
  LD      lib/efi_loader/helloworld.so
  OBJCOPY lib/efi_loader/helloworld.efi
  CC      lib/smbios.o
  CC      lib/display_options.o
  LD      lib/built-in.o
  LD      u-boot
  OBJCOPY u-boot.srec
  OBJCOPY u-boot-nodtb.bin
start=$(aarch64-linux-gnu-nm u-boot | grep __rel_dyn_start | cut -f 1
-d ' '); end=$(aarch64-linux-gnu-nm u-boot | grep __rel_dyn_end | cut
-f 1 -d ' '); tools/relocate-rela u-boot-nodtb.bin 0x84000000 $start
$end
  DTC     arch/arm/dts/uniphier-ld20-ref.dtb
make[2]: 'arch/arm/dts/uniphier-ld20-ref.dtb' is up to date.
  SHIPPED dts/dt.dtb
  CAT     u-boot-dtb.bin
  COPY    u-boot.bin
  SYM     u-boot.sym
  MKIMAGE u-boot.img
  COPY    u-boot.dtb
  MKIMAGE u-boot-dtb.img
  CFGCHK  u-boot.cfg
masahiro at pug:~/ref/u-boot$ dtc -I dtb -O dts  u-boot.dtb | grep hello-world
hello-world;



If I am missing something,
could you tell me the command
you used for reproducing the problem?




-- 
Best Regards
Masahiro Yamada