On Mon, Jul 9, 2012 at 12:42 AM, Michal Simek <mon...@monstr.eu> wrote:
> On 07/04/2012 10:25 PM, Stephan Linz wrote: > >> Some architectures, for example Microblaze, doesn't need a >> splitted device tree because every Microblaze hw design is >> different. The individuell Microblaze device tree will be >> auto generated by FPGA design tools and could be used directly >> with dtc. >> >> The auto generated dts for Microblaze can not processed by CPP. >> Unfortunately that is the default procedure in U-Boot to merge >> a splitted device tree (substitution of ARCH_CPU_DTS). >> >> Microblaze will never use the ARCH_CPU_DTS substitution and we >> introduce the new board specific substitution variable BOARD_DTS >> that points into vendor/board/dts subdir with the file name >> of CONFIG_DEFAULT_DEVICE_TREE. The common dts file in vendor/dts >> subdir (defined by CONFIG_DEFAULT_DEVICE_TREE) contain a single >> include line that can processed by CPP: >> >> /include/ BOARD_DTS >> >> Signed-off-by: Stephan Linz<l...@li-pro.net> >> --- >> dts/Makefile | 3 ++- >> 1 files changed, 2 insertions(+), 1 deletions(-) >> >> diff --git a/dts/Makefile b/dts/Makefile >> index 914e479..b1f47a1 100644 >> --- a/dts/Makefile >> +++ b/dts/Makefile >> @@ -36,7 +36,8 @@ $(error Your architecture does not have device tree >> support enabled. \ >> Please define CONFIG_ARCH_DEVICE_TREE)) >> >> # We preprocess the device tree file provide a useful define >> -DTS_CPPFLAGS := -DARCH_CPU_DTS=\"$(SRCTREE)/**arch/$(ARCH)/dts/$(CONFIG_ >> **ARCH_DEVICE_TREE).dtsi\" >> +DTS_CPPFLAGS := -DARCH_CPU_DTS=\"$(SRCTREE)/**arch/$(ARCH)/dts/$(CONFIG_ >> **ARCH_DEVICE_TREE).dtsi\" \ >> + -DBOARD_DTS=\"$(SRCTREE)/**board/$(VENDOR)/$(BOARD)/dts/$ >> **(DEVICE_TREE).dts\" >> >> all: $(obj).depend $(LIB) >> >> > Ok. Have tested this. > Simon can you give your ACK for this patch? > Weill I think for now it is reasonable. Acked-by: Simon Glass <s...@chromium.org> > > Tested-by: Michal Simek <mon...@monstr.eu> > > I think I can add this one to my microblaze custodian tree. > > Thanks, > Michal > > > > -- > Michal Simek, Ing. (M.Eng) > w: www.monstr.eu p: +42-0-721842854 > Maintainer of Linux kernel 2.6 Microblaze Linux - > http://www.monstr.eu/fdt/ > Microblaze U-BOOT custodian >
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