[PATCH] microblaze: Rework TARGET_MICROBLAZE_GENERIC implementation

Tom Rini trini at konsulko.com
Tue Mar 17 16:41:36 CET 2026


On Tue, Mar 17, 2026 at 04:35:30PM +0100, Michal Simek wrote:
> 
> 
> On 3/17/26 15:49, Tom Rini wrote:
> > On Tue, Mar 17, 2026 at 01:06:15PM +0100, Michal Simek wrote:
> > > 
> > > 
> > > On 3/17/26 02:24, Tom Rini wrote:
> > > > As exposed by "make randconfig", some symbols such as
> > > > XILINX_MICROBLAZE0_PVR can be set without TARGET_MICROBLAZE_GENERIC but
> > > > have a transitive dependency on it. The easiest path of resolution here
> > > > is that since there is only one valid microblaze "board", rework that
> > > > symbol to be non-optional.
> > > > 
> > > > Signed-off-by: Tom Rini <trini at konsulko.com>
> > > > ---
> > > > Cc: Michal Simek <michal.simek at amd.com>
> > > > ---
> > > >    arch/microblaze/Kconfig | 10 +++-------
> > > >    1 file changed, 3 insertions(+), 7 deletions(-)
> > > > 
> > > > diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
> > > > index 4261e5009fdc..16c55ddfd95c 100644
> > > > --- a/arch/microblaze/Kconfig
> > > > +++ b/arch/microblaze/Kconfig
> > > > @@ -7,12 +7,8 @@ config SYS_ARCH
> > > >    config STATIC_RELA
> > > >    	def_bool y
> > > > -choice
> > > > -	prompt "Target select"
> > > > -	optional
> > > > -
> > > >    config TARGET_MICROBLAZE_GENERIC
> > > > -	bool "Support microblaze-generic"
> > > > +	def_bool y
> > > >    	select BOARD_LATE_INIT
> > > >    	select DM
> > > >    	select DM_SERIAL
> > > > @@ -26,8 +22,8 @@ config TARGET_MICROBLAZE_GENERIC
> > > >    	select MTD
> > > >    	select SPI
> > > >    	imply CMD_DM
> > > > -
> > > > -endchoice
> > > > +	help
> > > > +	  Support microblaze-generic
> > > >    source "board/xilinx/Kconfig"
> > > >    source "board/xilinx/microblaze-generic/Kconfig"
> > > 
> > > Applied.
> > 
> > Please drop this for now, I need to do a v2 and I've found another
> > randconfig that gives me:
> > WARNING: unmet direct dependencies detected for XILINX_MICROBLAZE0_PVR
> >    Depends on [n]: MICROBLAZE [=y] && TARGET_MICROBLAZE_GENERIC [=n]
> >    Selected by [y]:
> >    - CPU_MICROBLAZE [=y] && CPU [=y] && MICROBLAZE [=y]
> > 
> 
> I expect this is from cpuinfo driver.

Yes, it is. But it's one of the problems randconfig exposes since it
does funny things when generating a valid .config, and seeing what blows
up. What I have in progress now is removing TARGET_MICROBLAZE_GENERIC
entirely and using MICROBLAZE in the few tests.

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <https://lists.denx.de/pipermail/u-boot/attachments/20260317/e4aaab11/attachment.sig>


More information about the U-Boot mailing list