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Commit 6bb2ae53 authored by Gerhard Pircher's avatar Gerhard Pircher Committed by Benjamin Herrenschmidt
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powerpc/amigaone: Limit ISA I/O range to 4k in the device tree 



The kernel reserves the I/O address space from 0x0 to 0xfff for legacy
ISA devices. Change the ranges property for the PCI2ISA bridge to match
the kernels behavior, even if the ranges property isn't used for now.

Signed-off-by: default avatarGerhard Pircher <gerhard_pircher@gmx.net>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 3984114f

arch/powerpc/boot/dts/amigaone.dts

+2 −2
Original line number Diff line number Diff line
@@ -70,8 +70,8 @@ 
			devsel-speed = <0x00000001>;

			min-grant = <0>;

			max-latency = <0>;

			/* First 64k for I/O at 0x0 on PCI mapped to 0x0 on ISA. */

			ranges = <0x00000001 0 0x01000000 0 0x00000000 0x00010000>;

			/* First 4k for I/O at 0x0 on PCI mapped to 0x0 on ISA. */

			ranges = <0x00000001 0 0x01000000 0 0x00000000 0x00001000>;

			interrupt-parent = <&i8259>;

			#interrupt-cells = <2>;

			#address-cells = <2>;