From: Mark Hambleton mahamble@broadcom.com
Describe the virtio device so we can mount disk images in the simulator.
[Reduced the size of the region based on feedback from review -- broonie]
Signed-off-by: Mark Hambleton mahamble@broadcom.com Signed-off-by: Mark Brown broonie@linaro.org Acked-by: Will Deacon will.deacon@arm.com --- arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi index b45e5f39f577..2f2ecd217363 100644 --- a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi +++ b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi @@ -183,6 +183,12 @@ clocks = <&v2m_oscclk1>, <&v2m_clk24mhz>; clock-names = "clcdclk", "apb_pclk"; }; + + virtio_block@0130000 { + compatible = "virtio,mmio"; + reg = <0x130000 0x200>; + interrupts = <42>; + }; };
v2m_fixed_3v3: fixedregulator@0 {
From: Mark Brown broonie@linaro.org
Will Deacon observed that kvmtool uses a size of 0x200 for virtio block memory region and that the virtio block spec only uses 31 bytes in the device specific region at 0x100 so reduce the region to a less wasteful 0x200.
Signed-off-by: Mark Brown broonie@linaro.org --- arch/arm64/boot/dts/foundation-v8.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/foundation-v8.dts b/arch/arm64/boot/dts/foundation-v8.dts index 519c4b2c0687..4a060906809d 100644 --- a/arch/arm64/boot/dts/foundation-v8.dts +++ b/arch/arm64/boot/dts/foundation-v8.dts @@ -224,7 +224,7 @@
virtio_block@0130000 { compatible = "virtio,mmio"; - reg = <0x130000 0x1000>; + reg = <0x130000 0x200>; interrupts = <42>; }; };
linaro-kernel@lists.linaro.org
-
Mark Brown