dm: sunxi: Add a new config for an FDT-based pcDuino3

For now we won't want to mess with the existing configurations. Create a
new one which will enable device tree and driver model. Note that this
brings the device tree binary into u-boot-sunxi-with-spl.bin.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

Makefile

@@ -946,7 +946,8 @@ u-boot-nand.gph: u-boot.bin FORCE
 ifneq ($(CONFIG_SUNXI),)
 OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \
 				   --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
-u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE
+u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin \
+			u-boot$(if $(CONFIG_OF_CONTROL),-dtb,).img FORCE
 	$(call if_changed,pad_cat)
 endif
 

arch/arm/dts/Makefile

+dtb-$(CONFIG_MACH_SUN7I) +=  sun7i-a20-pcduino3.dtb
 dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
 dtb-$(CONFIG_S5PC110) += s5pc1xx-goni.dtb
 dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \

board/sunxi/MAINTAINERS

@@ -22,6 +22,7 @@ F:	configs/A20-OLinuXino_MICRO_defconfig
 F:	configs/Bananapi_defconfig
 F:	configs/i12-tvbox_defconfig
 F:	configs/Linksprite_pcDuino3_defconfig
+F:	configs/Linksprite_pcDuino3_fdt_defconfig
 F:	configs/qt840a_defconfig
 
 CUBIEBOARD2 BOARD

configs/Linksprite_pcDuino3_fdt_defconfig

+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPH(2),USB_EHCI"
+CONFIG_FDTFILE="sun7i-a20-pcduino3.dtb"
+CONFIG_DM=y
+CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-pcduino3"
+CONFIG_OF_CONTROL=y
+CONFIG_OF_SEPARATE=y
++S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
++S:CONFIG_MACH_SUN7I=y
++S:CONFIG_TARGET_PCDUINO3=y

include/configs/sunxi-common.h

@@ -27,6 +27,10 @@
 
 #define CONFIG_SYS_TEXT_BASE		0x4a000000
 
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_DM)
+# define CONFIG_CMD_DM
+#endif
+
 /*
  * Display CPU information
  */