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sandbox: Build a device tree file for sandbox

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Add support for building a device tree for sandbox's CONFIG_OF_HOSTFILE
option to make it easier to use device tree with sandbox.

This adjusts the Makefile to build a u-boot.dtb file which can be passed
to sandbox U-Boot with:

   ./u-boot -d u-boot.dtb

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-02-26 15:59:14 -07:00 • committed by Tom Rini
parent 1ace402239
commit 714a5621c2
5 changed files with 35 additions and 0 deletions
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1
Makefile
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@ -708,6 +708,7 @@ ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin
ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb
ifneq ($(CONFIG_SPL_TARGET),) ifneq ($(CONFIG_SPL_TARGET),)
ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
endif endif

2
arch/sandbox/config.mk
View file

@ -11,3 +11,5 @@ __HAVE_ARCH_GENERIC_BOARD := y
cmd_u-boot__ = $(CC) -o $@ -T u-boot.lds \ cmd_u-boot__ = $(CC) -o $@ -T u-boot.lds \
-Wl,--start-group $(u-boot-main) -Wl,--end-group \ -Wl,--start-group $(u-boot-main) -Wl,--end-group \
$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map
CONFIG_ARCH_DEVICE_TREE := sandbox

11
arch/sandbox/dts/Makefile Normal file
View file

@ -0,0 +1,11 @@
dtb-$(CONFIG_SANDBOX) += sandbox.dtb
targets += $(dtb-y)
DTC_FLAGS += -R 4 -p 0x1000
PHONY += dtbs
dtbs: $(addprefix $(obj)/, $(dtb-y))
@:
clean-files := *.dtb

20
arch/sandbox/dts/sandbox.dts Normal file
View file

@ -0,0 +1,20 @@
/dts-v1/;
/ {
triangle {
compatible = "demo-shape";
colour = "cyan";
sides = <3>;
character = <83>;
};
square {
compatible = "demo-shape";
colour = "blue";
sides = <4>;
};
hexagon {
compatible = "demo-simple";
colour = "white";
sides = <6>;
};
};

1
include/configs/sandbox.h
View file

@ -32,6 +32,7 @@
#define CONFIG_FIT_SIGNATURE #define CONFIG_FIT_SIGNATURE
#define CONFIG_RSA #define CONFIG_RSA
#define CONFIG_CMD_FDT #define CONFIG_CMD_FDT
#define CONFIG_DEFAULT_DEVICE_TREE sandbox
#define CONFIG_FS_FAT #define CONFIG_FS_FAT
#define CONFIG_FS_EXT4 #define CONFIG_FS_EXT4