Commit 151b88e8 authored by Paul Mackerras's avatar Paul Mackerras Committed by Michael Ellerman
Browse files

powerpc: Add Microwatt device tree 



Microwatt currently runs with MSR[HV] = 0, hence the usable-privilege
properties don't have bit 2 (for HV support) set, and we need the
/chosen/ibm,architecture-vec-5 property.

Signed-off-by: default avatarPaul Mackerras <paulus@ozlabs.org>
Reviewed-by: default avatarSegher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/YMwWkPcXlGDSQ9Q3@thinks.paulus.ozlabs.org
parent 53d143fe

arch/powerpc/boot/dts/microwatt.dts

0 → 100644
+98 −0
Original line number Diff line number Diff line 
/dts-v1/;



/ {

	#size-cells = <0x02>;

	#address-cells = <0x02>;

	model-name = "microwatt";

	compatible = "microwatt-soc";



	reserved-memory {

		#size-cells = <0x02>;

		#address-cells = <0x02>;

		ranges;

	};



	memory@0 {

		device_type = "memory";

		reg = <0x00000000 0x00000000 0x00000000 0x10000000>;

	};



	cpus {

		#size-cells = <0x00>;

		#address-cells = <0x01>;



		ibm,powerpc-cpu-features {

			display-name = "Microwatt";

			isa = <3000>;

			device_type = "cpu-features";

			compatible = "ibm,powerpc-cpu-features";



			mmu-radix {

				isa = <3000>;

				usable-privilege = <2>;

			};



			little-endian {

				isa = <2050>;

				usable-privilege = <3>;

				hwcap-bit-nr = <1>;

			};



			cache-inhibited-large-page {

				isa = <2040>;

				usable-privilege = <2>;

			};



			fixed-point-v3 {

				isa = <3000>;

				usable-privilege = <3>;

			};



			no-execute {

				isa = <2010>;

				usable-privilege = <2>;

			};



			floating-point {

				hwcap-bit-nr = <27>;

				isa = <0>;

				usable-privilege = <3>;

			};

		};



		PowerPC,Microwatt@0 {

			i-cache-sets = <2>;

			ibm,dec-bits = <64>;

			reservation-granule-size = <64>;

			clock-frequency = <100000000>;

			timebase-frequency = <100000000>;

			i-tlb-sets = <1>;

			ibm,ppc-interrupt-server#s = <0>;

			i-cache-block-size = <64>;

			d-cache-block-size = <64>;

			d-cache-sets = <2>;

			i-tlb-size = <64>;

			cpu-version = <0x990000>;

			status = "okay";

			i-cache-size = <0x1000>;

			ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>;

			tlb-size = <0>;

			tlb-sets = <0>;

			device_type = "cpu";

			d-tlb-size = <128>;

			d-tlb-sets = <2>;

			reg = <0>;

			general-purpose;

			64-bit;

			d-cache-size = <0x1000>;

			ibm,chip-id = <0>;

		};

	};



	chosen {

		bootargs = "";

		ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00

					  00 00 00 00 00 00 00 00 40 00 40];

	};



};