Hey Simon, Masahiro
May I suggest an alternative solution to this issue.
What if each Kconfigs option could be set as "y" (compile for u-boot only )or "s" (compile for u-boot and SPL) Just as the kernel can set Kconfig to "y" or "m".
With minor modifications to the Makefile, SPL target will compile "obj-s" and u-boot target will compile "obj-s" and "obj-y"
What do you think ?
Yehuda
-----Original Message----- From: sjg@google.com [mailto:sjg@google.com] On Behalf Of Simon Glass Sent: Wednesday, April 29, 2015 6:06 To: Hanna Hawa Cc: u-boot@lists.denx.de; Yehuda Yitschak; Masahiro Yamada Subject: Re: switching to single .config configuration issues
+Masahiro (new address)
Hi Hanna,
On 27 April 2015 at 07:43, Hanna Hawa hannah@marvell.com wrote:
Hi everyone,
I’m working on the latest u-boot 2015.04 trying to rebase my repository to latest code.
I would suggest going with upstream/master (targeting 2015.07) since there are several driver model changes since 2015.04 (USB, PCI, Ethernet). There are still patches going in but the bulk of it should be there.
And I have question regarding patch e02ee2548afe (kconfig: switch to single .config configuration)
Issues that I face in the current solution (single .config):
For my usage most of the CONFIG options will not supported in the SPL, we need the SPL very tiny and most of the CONFIG will be enabled in the u-boot, need to undef/disable(set=n) for every CONFIG in scripts/Makefile.uncmd_spl/ include/config_uncmd_spl.h
Also for future usage if we want to delete the defines of the commands from the include file and move it to defconfig file, then need to undef them in the SPL code.
Masahiro is the expert here. The idea is to use SPL-specific options for SPL. For example CONFIG_SPL_I2C_SUPPORT. This is much the same as before.
I suggest you create some SPL options for your new features, so that they are only enabled in SPL when you want them.
Do you planning for another solution for this issue?
Also, if you push your tree to github (or somewhere) I or Masahiro might be able to comment on specifics.
Regards, Simon