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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: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Alexey Brodkin 2017-03-23 20:34:45 +03:00 committed by Vineet Gupta
parent 814a585038
commit ae9955aeb8
1 changed files with 13 additions and 7 deletions
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20
arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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@ -112,13 +112,19 @@
interrupts = <7>;
bus-width = <4>;
};
};
/* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */
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";
interrupts = <23>;
};
/*
* 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>;
};
};