* [PATCH 1/2] arm64: dts: Add a virtio disk to the RTSM motherboard
@ 2013-12-03 19:58 Mark Brown
2013-12-03 19:58 ` [PATCH 2/2] arm64: dts: Reduce size of virtio block device for foundation model Mark Brown
0 siblings, 1 reply; 3+ messages in thread
From: Mark Brown @ 2013-12-03 19:58 UTC (permalink / raw)
To: linux-arm-kernel
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 at 0130000 {
+ compatible = "virtio,mmio";
+ reg = <0x130000 0x200>;
+ interrupts = <42>;
+ };
};
v2m_fixed_3v3: fixedregulator at 0 {
--
1.8.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] arm64: dts: Reduce size of virtio block device for foundation model
2013-12-03 19:58 [PATCH 1/2] arm64: dts: Add a virtio disk to the RTSM motherboard Mark Brown
@ 2013-12-03 19:58 ` Mark Brown
0 siblings, 0 replies; 3+ messages in thread
From: Mark Brown @ 2013-12-03 19:58 UTC (permalink / raw)
To: linux-arm-kernel
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 at 0130000 {
compatible = "virtio,mmio";
- reg = <0x130000 0x1000>;
+ reg = <0x130000 0x200>;
interrupts = <42>;
};
};
--
1.8.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 1/2] arm64: dts: Add a virtio disk to the RTSM motherboard
@ 2013-12-20 12:52 Mark Brown
0 siblings, 0 replies; 3+ messages in thread
From: Mark Brown @ 2013-12-20 12:52 UTC (permalink / raw)
To: linux-arm-kernel
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 at 0130000 {
+ compatible = "virtio,mmio";
+ reg = <0x130000 0x200>;
+ interrupts = <42>;
+ };
};
v2m_fixed_3v3: fixedregulator at 0 {
--
1.8.5.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
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