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Commit ae9955ae authored by Alexey Brodkin's avatar Alexey Brodkin Committed by Vineet Gupta
Browse files

ARC: vdk: Fix support of UIO 



MotherBoard section has its "ranges" set to 0xE000_0000-0xF000_0000.
But UIO node maps 4 different areas in different memory locations
and all outside MB's ranges.

That obviously breaks UIO mappings in runtime.

Cc: Ruud Derwig <rderwig@synopsys.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarAlexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 814a5850

arch/arc/boot/dts/vdk_axs10x_mb.dtsi

+13 −7
Original line number Diff line number Diff line
@@ -112,13 +112,19 @@ 
			interrupts = <7>;

			bus-width = <4>;

		};

	};



		/* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */

	/*

	 * Embedded Vision subsystem UIO mappings; only relevant for EV VDK

	 *

	 * This node is intentionally put outside of MB above becase

	 * it maps areas outside of MB's 0xEz-0xFz.

	 */

	uio_ev: uio@0xD0000000 {

		compatible = "generic-uio";

		reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>;

		reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem";

		interrupt-parent = <&mb_intc>;

		interrupts = <23>;

	};

};
 
};