[PATCH 0/5] Add support for EDB93xx boards
s.hauer at pengutronix.de
Mon Jan 11 06:25:57 EST 2010
On Mon, Jan 11, 2010 at 11:37:00AM +0100, Matthias Kaehlcke wrote:
> Hi Sascha,
> El Mon, Jan 11, 2010 at 10:49:02AM +0100 Sascha Hauer ha dit:
> > Thanks for the nice work. The patches look mostly fine. I wonder that
> > U-Boot ep93xx support has never made it to the mainline. Some comments
> > about the patches inline.
> in late december i sent a (new) set of patches to the U-Boot mailing
> list. i still havn't received feedback, i suppose due to christmas,
> new year, ... my aim is to mainline ep93xx support, i am confident
> this will be accomplished soon.
> > On Sun, Jan 10, 2010 at 12:28:38AM +0100, Matthias Kaehlcke wrote:
> > > Add support for the following Cirrus Logic EDB93xx boards:
> > >
> > > EDB9301
> > > EDB9302
> > > EDB9302A
> > > EDB9307
> > > EDB9307A
> > > EDB93012
> > > EDB9315
> > > EDB9315A
> > >
> > > This patchset has been tested on boards based on the EDB9301 and EDB9307A designs
> > >
> > > Matthias Kaehlcke (5):
> > > ARM: Add support for EP93xx SoCs
> > > Add EP93xx ethernet driver
> > > Add support for EP9xx GPIOs
> > > Add PrimeCell PL010 serial driver
> > > Add support for EDB93xx boards
> > >
> > > Documentation/boards.dox | 8 +
> > > MAINTAINERS | 11 +
> > > arch/arm/Kconfig | 6 +
> > > arch/arm/Makefile | 9 +
> > > arch/arm/configs/edb93xx_defconfig | 237 ++++++++
> > > arch/arm/mach-ep93xx/Kconfig | 446 +++++++++++++++
> > > arch/arm/mach-ep93xx/Makefile | 3 +
> > > arch/arm/mach-ep93xx/clocksource.c | 96 ++++
> > > arch/arm/mach-ep93xx/gpio.c | 136 +++++
> > > arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h | 600 ++++++++++++++++++++
> > > arch/arm/mach-ep93xx/include/mach/gpio.h | 29 +
> > > arch/arm/mach-ep93xx/led.c | 62 ++
> > > arch/arm/mach-ep93xx/led.h | 26 +
> > > arch/arm/mach-ep93xx/lowlevel_init.S | 64 +++
> > Aren't the LED functions and thus the lowlevel_init board specific?
> > I can imagine many custom boards do not have LEDs connected to these
> > gpio pins.
> custom board could do this, but probably shouldn't. the EP93xx
> explicitly 'reserves' specific GPIOs for a red and a green LED. these
> LEDs are used by the boot algorithm to give feed back before the
> bootloader is started.
Ah, I didn't know this. A good move from Cirrus that the software
developer can rely on some debug LEDs.
> please tell me if this convinces you to leave the LED functions and
> lowlevel_init in the SoC part or if you prefer moving them to the
> board directory.
I'm fine with the LEDs being available for all ep93xx then.
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