[U-Boot] [U-Boot, 36/36] rockchip: add common board file for rockchip platform

[Tom Rini <trini@konsulko.com>]

On Sun, Apr 08, 2018 at 09:45:22AM +0800, Kever Yang wrote:
> Philipp,
> 
> 
> On 04/02/2018 05:28 AM, Philipp Tomsich wrote:
> >
> >
> > On Tue, 27 Mar 2018, Kever Yang wrote:
> >
> >> We use common board/spl/tpl file for all rockchip SoCs,
> >> - all the SoC spec setting should move into SoC file like rk3288.c;
> >> - tpl is option and only purpose to init DRAM, clock, uart(option);
> >> - spl do secure relate one time init, boot device select, boot into
> >>  U-Boot or trust or OS in falcon mode;
> >> - board do boot mode detect, enable regulator, usb init and so on.
> >
> > There's too much going on in a single commit/single series.
> > This needs to be split up into multiple, independent steps (e.g. one
> > for the timer changes, another one for the UART changes)...
> 
> I understand review the patches piece by piece is much more comfortable,
> and this patch including "too much" things. And I never expect this
> patch set
> can be merge quickly, but we have to do this ASAP before more SoC coming.
> I have do a lot of test and re-work in my local branch and at last make
> it landed in
> rockchip vendor U-Boot, with testing in most of SoCs(not including
> rk3066/rk3188).
> Well, I do try to split it into pieces, but I found that actually not
> help very much
> except waste much more time:
> - The target is(very clear) to make rockchip soc board file in a good
> shape with common files,
>     instead of copy-paste for each soc(more than 10 of them now)
> - then we need to identify what's common and what should go to soc and
> board;
> - remove using common rockchip timer and use arm generic timer instead
> for armv7
>     SoCs(rk3066 and rk3188 need still using rockchip timer)
> - most soc need to do uart init, boot order select, and some
> arch_cpu_init().
> - don't break the boards already working, so I still leave some code
> which not so common
>     in board file, but I would like to remove or move them into right
> place if I got a board
>     to verify;
> 
> @Simon, @Tom,
> This patch set is to remove some common files and add some other common
> files for
> all Rockchip SoCs, I have to make sure the whole patch set can running
> good for all SoCs,
> but it's really hard to make every patch to build and work perfect for
> all SoCs, is there
> any mandatory rules for this?

So you mean possibly breaking some existing platforms?  I don't like the
idea of doing that...

-- 
Tom
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