[PATCH] arm64: dts: juno: Correct PCI IO window

[PATCH] arm64: dts: juno: Correct PCI IO window

[Jeremy Linton]

The PCIe root complex on Juno translates the MMIO mapped
at 0x5f800000 to the PIO address range starting at 0
(which is common because PIO addresses are generally < 64k).
Correct the DT to reflect this.

Signed-off-by: Jeremy Linton <jeremy.linton-5wv7dgnIgG8@public.gmane.org>
---
 arch/arm64/boot/dts/arm/juno-base.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 334271a..7d3a2ac 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -393,7 +393,7 @@
 		#address-cells = <3>;
 		#size-cells = <2>;
 		dma-coherent;
-		ranges = <0x01000000 0x00 0x5f800000 0x00 0x5f800000 0x0 0x00800000>,
+		ranges = <0x01000000 0x00 0x00000000 0x00 0x5f800000 0x0 0x00800000>,
 			 <0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000>,
 			 <0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>;
 		#interrupt-cells = <1>;
-- 
2.5.5

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Re: [PATCH] arm64: dts: juno: Correct PCI IO window

[liviu.dudau]

On Tue, Nov 29, 2016 at 02:45:10PM -0600, Jeremy Linton wrote:
> The PCIe root complex on Juno translates the MMIO mapped
> at 0x5f800000 to the PIO address range starting at 0
> (which is common because PIO addresses are generally < 64k).
> Correct the DT to reflect this.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>

With the U-Boot patch that I have sent to the ML:
Tested-by: Liviu Dudau <Liviu.Dudau@arm.com>

also

Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>

Best regards,
Liviu


> ---
>  arch/arm64/boot/dts/arm/juno-base.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
> index 334271a..7d3a2ac 100644
> --- a/arch/arm64/boot/dts/arm/juno-base.dtsi
> +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
> @@ -393,7 +393,7 @@
>  		#address-cells = <3>;
>  		#size-cells = <2>;
>  		dma-coherent;
> -		ranges = <0x01000000 0x00 0x5f800000 0x00 0x5f800000 0x0 0x00800000>,
> +		ranges = <0x01000000 0x00 0x00000000 0x00 0x5f800000 0x0 0x00800000>,
>  			 <0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000>,
>  			 <0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>;
>  		#interrupt-cells = <1>;
> -- 
> 2.5.5
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯

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Re: [PATCH] arm64: dts: juno: Correct PCI IO window

[Lorenzo Pieralisi]

On Tue, Nov 29, 2016 at 02:45:10PM -0600, Jeremy Linton wrote:
> The PCIe root complex on Juno translates the MMIO mapped
> at 0x5f800000 to the PIO address range starting at 0
> (which is common because PIO addresses are generally < 64k).
> Correct the DT to reflect this.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton-5wv7dgnIgG8@public.gmane.org>
> ---
>  arch/arm64/boot/dts/arm/juno-base.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org>

> diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
> index 334271a..7d3a2ac 100644
> --- a/arch/arm64/boot/dts/arm/juno-base.dtsi
> +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
> @@ -393,7 +393,7 @@
>  		#address-cells = <3>;
>  		#size-cells = <2>;
>  		dma-coherent;
> -		ranges = <0x01000000 0x00 0x5f800000 0x00 0x5f800000 0x0 0x00800000>,
> +		ranges = <0x01000000 0x00 0x00000000 0x00 0x5f800000 0x0 0x00800000>,
>  			 <0x02000000 0x00 0x50000000 0x00 0x50000000 0x0 0x08000000>,
>  			 <0x42000000 0x40 0x00000000 0x40 0x00000000 0x1 0x00000000>;
>  		#interrupt-cells = <1>;
> -- 
> 2.5.5
> 
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Re: [PATCH] arm64: dts: juno: Correct PCI IO window

[Sudeep Holla]

Hi Jeremy,

On 29/11/16 20:45, Jeremy Linton wrote:
> The PCIe root complex on Juno translates the MMIO mapped
> at 0x5f800000 to the PIO address range starting at 0
> (which is common because PIO addresses are generally < 64k).
> Correct the DT to reflect this.
>

I have another DT fix that I have asked ARM-SoC guys to pick up directly
from the list. If that doesn't happen, I will send PR including both.

If that happens then we need to send this to them to be picked directly.
At this point I want to wait for couple of days to avoid confusion.

-- 
Regards,
Sudeep
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Re: [PATCH] arm64: dts: juno: Correct PCI IO window

[Arnd Bergmann]

On Wednesday, November 30, 2016 4:29:35 PM CET Sudeep Holla wrote:
> Hi Jeremy,
> 
> On 29/11/16 20:45, Jeremy Linton wrote:
> > The PCIe root complex on Juno translates the MMIO mapped
> > at 0x5f800000 to the PIO address range starting at 0
> > (which is common because PIO addresses are generally < 64k).
> > Correct the DT to reflect this.
> >
> 
> I have another DT fix that I have asked ARM-SoC guys to pick up directly
> from the list. If that doesn't happen, I will send PR including both.
> 
> If that happens then we need to send this to them to be picked directly.
> At this point I want to wait for couple of days to avoid confusion.

I ended up taking the other one for v4.10, but this one seems more
important so I applied it for v4.9.

Let me know if you disagree with the priorities, as I plan to send out
the last 4.9 fixes pull request to Linus tomorrow.

	Arnd

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Re: [PATCH] arm64: dts: juno: Correct PCI IO window

[Sudeep Holla]

On 30/11/16 22:51, Arnd Bergmann wrote:
> On Wednesday, November 30, 2016 4:29:35 PM CET Sudeep Holla wrote:
>> Hi Jeremy,
>>
>> On 29/11/16 20:45, Jeremy Linton wrote:
>>> The PCIe root complex on Juno translates the MMIO mapped
>>> at 0x5f800000 to the PIO address range starting at 0
>>> (which is common because PIO addresses are generally < 64k).
>>> Correct the DT to reflect this.
>>>
>>
>> I have another DT fix that I have asked ARM-SoC guys to pick up directly
>> from the list. If that doesn't happen, I will send PR including both.
>>
>> If that happens then we need to send this to them to be picked directly.
>> At this point I want to wait for couple of days to avoid confusion.
>
> I ended up taking the other one for v4.10, but this one seems more
> important so I applied it for v4.9.
>
> Let me know if you disagree with the priorities, as I plan to send out
> the last 4.9 fixes pull request to Linus tomorrow.
>

No that's fine.

-- 
Regards,
Sudeep
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