[PATCH] {Makefile,config.mk,a/Kconfig}: introduce SUPPLIER

[Jens Rehsack]

> Am 13.02.2020 um 16:01 schrieb Tom Rini <trini at konsulko.com>:
> 
> On Thu, Feb 13, 2020 at 02:33:53PM +0100, Jens Rehsack wrote:
> 
>> From: Jens Rehsack <sno at NetBSD.org>
>> 
>> Introduce SUPPLIER analogous to VENDOR to allow (from customer perspective)
>> a VENDOR using it's SUPPLIER's common/ code.
>> 
>> This is reasonable, when a VENDOR (from customer perspective) builds
>> several machines sharing some features (e.g. some FPGA which has to be
>> initialized during u-boot) but wants to use common NXP or Samsung code
>> for the BSP instead of copying and create merge overhead.
>> 
>> Signed-off-by: Jens Rehsack <sno at NetBSD.org>
>> ---
>> Makefile     |  4 +++-
>> arch/Kconfig | 12 ++++++++++++
>> config.mk    |  6 +++++-
>> 3 files changed, 20 insertions(+), 2 deletions(-)
> 
> Can you provide a follow-up where this it clearer / easier to do
> something than today?  Thanks!

Given you buy - let's say some NXP SoC - LS20XX, LX21XX. The common
NXP code for the Management Complex is needed. I2C code either - this
covers board/freescale/common/...

Given you build machines from there with different SoCs under a
new label - let's call it SuperLink, so you have
* board/freescale/common
* board/superlink/common
* board/superlink/legacy-tune <-- based on some PowerPC
* board/superlink/easy-tune <-- based on LS2088
* board/superlink/heavy-tune <-- based on LX2160

All *-tune machines the customer buys from SuperLink have a
similar FPGA (there is a little bit more, but for the vision
it's probably better to stay small) and a similar external
PMIC/BMC.

But SuperLink still uses code from board/freescale/common (their
supplier) and it's not reasonable to copy those.

I rate all this not suitable for a commit message. How do
you suggest to proceed?

Best regards
--
Jens Rehsack - rehsack at gmail.com

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