[PATCH 04/17] ARM: am335x phytec phyCORE: Switch to devicetree probe support

[Sascha Hauer]

On Wed, Nov 27, 2013 at 04:20:11AM +0100, Alexander Aring wrote:
> Hi Sascha,
> 
> nice patchstack.
> 
> On Tue, Nov 26, 2013 at 05:45:54PM +0100, Sascha Hauer wrote:
> > This switches the am335x Phytec phyCORE to devicetree probe support.
> > For now we use a linked in dtb.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> >  arch/arm/boards/pcm051/Makefile       |   2 +-
> >  arch/arm/boards/pcm051/board.c        | 149 ++--------------------------------
> >  arch/arm/boards/pcm051/mux.c          |  65 ---------------
> >  arch/arm/boards/pcm051/mux.h          |   4 -
> >  arch/arm/configs/pcm051_defconfig     |  26 ++++--
> >  arch/arm/configs/pcm051_mlo_defconfig |   8 +-
> >  6 files changed, 32 insertions(+), 222 deletions(-)
> >  delete mode 100644 arch/arm/boards/pcm051/mux.c
> >  delete mode 100644 arch/arm/boards/pcm051/mux.h
> > 
> > diff --git a/arch/arm/boards/pcm051/Makefile b/arch/arm/boards/pcm051/Makefile
> > index 69d48e1..092c31d 100644
> > --- a/arch/arm/boards/pcm051/Makefile
> > +++ b/arch/arm/boards/pcm051/Makefile
> > @@ -1,2 +1,2 @@
> >  lwl-y += lowlevel.o
> > -obj-y += board.o mux.o
> > +obj-y += board.o
> > diff --git a/arch/arm/boards/pcm051/board.c b/arch/arm/boards/pcm051/board.c
> ...
> > -CONFIG_ARCH_AM33XX=y
> >  CONFIG_BAREBOX_UPDATE_AM33XX_SPI_NOR_MLO=y
> >  CONFIG_MACH_PCM051=y
> > -CONFIG_OMAP_UART1=y
> > -CONFIG_AEABI=y
> > +CONFIG_THUMB2_BAREBOX=y
> >  CONFIG_ARM_BOARD_APPEND_ATAG=y
> >  CONFIG_CMD_ARM_MMUINFO=y
> >  CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
> >  CONFIG_ARM_UNWIND=y
> > +CONFIG_PBL_IMAGE=y
> > +CONFIG_PBL_RELOCATABLE=y
> >  CONFIG_MMU=y
> > -CONFIG_TEXT_BASE=0x8f000000
> > -CONFIG_MALLOC_SIZE=0x2000000
> > +CONFIG_TEXT_BASE=0x0
> > +CONFIG_MALLOC_SIZE=0x0
> Why is this zero now? Are these things defined in the dts file?

It's a relocatable binary which gets relocated during runtime. The
address doesn't matter anymore, but setting it to zero helps translating
the addresses from the objdump to the running binary.

Sascha

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