[U-Boot] TI8148 EVM

[Tom Rini]

On Thu, Oct 22, 2015 at 07:33:07AM -0400, Brian Hutchinson wrote:
> On Oct 22, 2015 7:21 AM, "Tom Rini" <trini at konsulko.com> wrote:
> >
> > On Thu, Oct 22, 2015 at 12:12:32PM +0100, Lad, Prabhakar wrote:
> >
> > > Hi Tom,
> > >
> > > I was trying the latest master branch for ti8148 evm to boot from SD
> > > card, following are the steps which I followed:
> > >
> > > 1:  make ARCH=arm CROSS_COMPILE=arm-cortex_a8-linux-gnueabi- clean
> distclean
> > > 2: make ARCH=arm CROSS_COMPILE=arm-cortex_a8-linux-gnueabi-
> ti814x_evm_config
> > > 3: make ARCH=arm CROSS_COMPILE=arm-cortex_a8-linux-gnueabi-
> > >
> > > Copy the MLO and u-boot.bin to SD card boot partition which is
> > > bootable, I see no prints coming from the 1st stage bootlaoder, cant
> > > debug it as I don’t have access to JTAG.
> > >
> > > Any pointers is this code tested ?
> >
> > First, you need to use u-boot.img not u-boot.bin.  Second, which PG do
> > you have on the board?  We only have support for PG1.0 today and not
> > PG2.0 as Matt did the initial bring-up and only has a PG1.0 board.  The
> > code should be easily ported from the old PSP tree to support PG2.0
> > however.
> 
> What about DM816x support?  Mainline u-boot have anything for it?  We
> finally have Linux 4.2.3 running on our board with .dts support.  Now I'm
> starting the task of getting a mainline u-boot to work so we can get rid of
> the legacy dtb being part of kernel.

Well, the ti816x support we have today should be a good starting point
at least for the "DM" variant of the chip.  I forget which one of the
boards I have technically but I _think_ the differences are high level
enough that for U-Boot it's OK.

-- 
Tom
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