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Commit a0392222 authored by John Crispin's avatar John Crispin Committed by Ralf Baechle
Browse files

OF: MIPS: lantiq: implement OF support 



Activate USE_OF, add a sample DTS file and convert the core soc code to OF.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3803/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent cd93b489

arch/mips/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -229,6 +229,7 @@ config LANTIQ 
	select SWAP_IO_SPACE

	select BOOT_RAW

	select HAVE_CLK

	select USE_OF



config LASAT

	bool "LASAT Networks platforms"

arch/mips/lantiq/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -18,4 +18,13 @@ config SOC_XWAY 
	select HW_HAS_PCI

endchoice





choice

	prompt "Devicetree"



config DT_EASY50712

	bool "Easy50712"

	depends on SOC_XWAY

endchoice



endif

arch/mips/lantiq/Makefile

+3 −1
Original line number Diff line number Diff line
@@ -4,7 +4,9 @@ 
# under the terms of the GNU General Public License version 2 as published

# by the Free Software Foundation.



obj-y := irq.o setup.o clk.o prom.o

obj-y := irq.o clk.o prom.o



obj-y += dts/



obj-$(CONFIG_EARLY_PRINTK) += early_printk.o

arch/mips/lantiq/dts/Makefile

0 → 100644
+4 −0
Original line number Diff line number Diff line 
obj-$(CONFIG_DT_EASY50712) := easy50712.dtb.o



$(obj)/%.dtb: $(obj)/%.dts

	$(call if_changed,dtc)

arch/mips/lantiq/dts/danube.dtsi

0 → 100644
+105 −0
Original line number Diff line number Diff line 
/ {

	#address-cells = <1>;

	#size-cells = <1>;

	compatible = "lantiq,xway", "lantiq,danube";



	cpus {

		cpu@0 {

			compatible = "mips,mips24Kc";

		};

	};



	biu@1F800000 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "lantiq,biu", "simple-bus";

		reg = <0x1F800000 0x800000>;

		ranges = <0x0 0x1F800000 0x7FFFFF>;



		icu0: icu@80200 {

			#interrupt-cells = <1>;

			interrupt-controller;

			compatible = "lantiq,icu";

			reg = <0x80200 0x120>;

		};



		watchdog@803F0 {

			compatible = "lantiq,wdt";

			reg = <0x803F0 0x10>;

		};

	};



	sram@1F000000 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "lantiq,sram";

		reg = <0x1F000000 0x800000>;

		ranges = <0x0 0x1F000000 0x7FFFFF>;



		eiu0: eiu@101000 {

			#interrupt-cells = <1>;

			interrupt-controller;

			interrupt-parent;

			compatible = "lantiq,eiu-xway";

			reg = <0x101000 0x1000>;

		};



		pmu0: pmu@102000 {

			compatible = "lantiq,pmu-xway";

			reg = <0x102000 0x1000>;

		};



		cgu0: cgu@103000 {

			compatible = "lantiq,cgu-xway";

			reg = <0x103000 0x1000>;

			#clock-cells = <1>;

		};



		rcu0: rcu@203000 {

			compatible = "lantiq,rcu-xway";

			reg = <0x203000 0x1000>;

		};

	};



	fpi@10000000 {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "lantiq,fpi", "simple-bus";

		ranges = <0x0 0x10000000 0xEEFFFFF>;

		reg = <0x10000000 0xEF00000>;



		gptu@E100A00 {

			compatible = "lantiq,gptu-xway";

			reg = <0xE100A00 0x100>;

		};



		serial@E100C00 {

			compatible = "lantiq,asc";

			reg = <0xE100C00 0x400>;

			interrupt-parent = <&icu0>;

			interrupts = <112 113 114>;

		};



		dma0: dma@E104100 {

			compatible = "lantiq,dma-xway";

			reg = <0xE104100 0x800>;

		};



		ebu0: ebu@E105300 {

			compatible = "lantiq,ebu-xway";

			reg = <0xE105300 0x100>;

		};



		pci0: pci@E105400 {

			#address-cells = <3>;

			#size-cells = <2>;

			#interrupt-cells = <1>;

			compatible = "lantiq,pci-xway";

			bus-range = <0x0 0x0>;

			ranges = <0x2000000 0 0x8000000 0x8000000 0 0x2000000	/* pci memory */

				  0x1000000 0 0x00000000 0xAE00000 0 0x200000>;	/* io space */

			reg = <0x7000000 0x8000		/* config space */

				0xE105400 0x400>;	/* pci bridge */

		};

	};

};