Add basic code to build and pass board device tree blob to Barebox initialization code. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> --- arch/arm/boards/at91sam9x5ek/lowlevel.c | 7 ++++++- arch/arm/configs/at91sam9x5ek_defconfig | 2 ++ arch/arm/dts/Makefile | 2 ++ arch/arm/dts/at91sam9x5ek.dts | 9 +++++++++ arch/arm/mach-at91/Kconfig | 1 + 5 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/at91sam9x5ek.dts diff --git a/arch/arm/boards/at91sam9x5ek/lowlevel.c b/arch/arm/boards/at91sam9x5ek/lowlevel.c index 9b5c926..acf80d7 100644 --- a/arch/arm/boards/at91sam9x5ek/lowlevel.c +++ b/arch/arm/boards/at91sam9x5ek/lowlevel.c @@ -6,11 +6,16 @@ #include <io.h> #include <debug_ll.h> +extern char __dtb_at91sam9x5ek_start[]; ENTRY_FUNCTION(start_at91sam9x5ek, r0, r1, r2) { + void *fdt; + arm_cpu_lowlevel_init(); arm_setup_stack(AT91SAM9X5_SRAM_BASE + AT91SAM9X5_SRAM_SIZE - 16); - barebox_arm_entry(AT91_CHIPSELECT_1, at91sam9x5_get_ddram_size(), NULL); + fdt = __dtb_at91sam9x5ek_start - get_runtime_offset(); + + barebox_arm_entry(AT91_CHIPSELECT_1, at91sam9x5_get_ddram_size(), fdt); } diff --git a/arch/arm/configs/at91sam9x5ek_defconfig b/arch/arm/configs/at91sam9x5ek_defconfig index d6f18b2..0691145 100644 --- a/arch/arm/configs/at91sam9x5ek_defconfig +++ b/arch/arm/configs/at91sam9x5ek_defconfig @@ -51,6 +51,7 @@ CONFIG_CMD_OFTREE=y CONFIG_NET=y CONFIG_NET_NFS=y CONFIG_NET_NETCONSOLE=y +CONFIG_OF_BAREBOX_DRIVERS=y CONFIG_DRIVER_NET_MACB=y CONFIG_NET_USB=y CONFIG_NET_USB_ASIX=y @@ -74,6 +75,7 @@ CONFIG_USB_STORAGE=y CONFIG_MCI=y CONFIG_MCI_STARTUP=y CONFIG_MCI_ATMEL=y +CONFIG_MFD_SYSCON=y CONFIG_LED=y CONFIG_LED_GPIO=y CONFIG_LED_TRIGGERS=y diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 70359d8..c9a0946 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -89,5 +89,7 @@ pbl-dtb-$(CONFIG_MACH_ZII_VF610_DEV) += \ vf610-zii-spu3-rev-a.dtb.o \ vf610-zii-scu4-aib-rev-c.dtb.o +pbl-dtb-$(CONFIG_MACH_AT91SAM9X5EK) += at91sam9x5ek.dtb.o + clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts *.dtb.lzo diff --git a/arch/arm/dts/at91sam9x5ek.dts b/arch/arm/dts/at91sam9x5ek.dts new file mode 100644 index 0000000..db1bd67 --- /dev/null +++ b/arch/arm/dts/at91sam9x5ek.dts @@ -0,0 +1,9 @@ +/dts-v1/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pinctrl/at91.h> + +#include <arm/at91sam9x5.dtsi> +#include <arm/at91sam9x5_lcd.dtsi> +#include <arm/at91sam9x5dm.dtsi> +#include <arm/at91sam9x5ek.dtsi> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 67238f8..2870bf3 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -180,6 +180,7 @@ config ARCH_AT91SAM9G45 config ARCH_AT91SAM9X5 bool "AT91SAM9X5" select SOC_AT91SAM9X5 + select OFDEVICE config ARCH_AT91SAM9N12 bool "AT91SAM9N12" -- 2.9.3 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox