2017-06-26 11:47:38

by Eugeniy Paltsev

[permalink] [raw]
Subject: [PATCH] ARC: AXS: prepare dts files for enabling PAE40 on axs103

Enable 64bit adressing, where it needed, to make possible
enabling PAE40 on axs103.

This patch doesn't affect on any functionality.

Signed-off-by: Eugeniy Paltsev <[email protected]>
---
arch/arc/boot/dts/axc001.dtsi | 20 +++++++++-----------
arch/arc/boot/dts/axc003.dtsi | 21 ++++++++++-----------
arch/arc/boot/dts/axc003_idu.dtsi | 21 ++++++++++-----------
arch/arc/boot/dts/axs10x_mb.dtsi | 2 +-
4 files changed, 30 insertions(+), 34 deletions(-)

diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
index 53ce226..a380ffa 100644
--- a/arch/arc/boot/dts/axc001.dtsi
+++ b/arch/arc/boot/dts/axc001.dtsi
@@ -15,15 +15,15 @@

/ {
compatible = "snps,arc";
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;

cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;

- ranges = <0x00000000 0xf0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xf0000000 0x10000000>;

core_clk: core_clk {
#clock-cells = <0>;
@@ -91,23 +91,21 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
- reg = < 0xe0012000 0x200 >;
+ reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&core_intc>;
interrupts = < 7 >;
};

memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x00000000 0x80000000 0x20000000>;
device_type = "memory";
- reg = <0x80000000 0x1b000000>; /* (512 - 32) MiB */
+ /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x1b000000>; /* (512 - 32) MiB */
};

reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
/*
* We just move frame buffer area to the very end of
@@ -118,7 +116,7 @@
*/
frame_buffer: frame_buffer@9e000000 {
compatible = "shared-dma-pool";
- reg = <0x9e000000 0x2000000>;
+ reg = <0x0 0x9e000000 0x0 0x2000000>;
no-map;
};
};
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index 14df46f..cc9239e 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -14,15 +14,15 @@

/ {
compatible = "snps,arc";
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;

cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;

- ranges = <0x00000000 0xf0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xf0000000 0x10000000>;

core_clk: core_clk {
#clock-cells = <0>;
@@ -94,30 +94,29 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
- reg = < 0xe0012000 0x200 >;
+ reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&core_intc>;
interrupts = < 24 >;
};

memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
- reg = <0x80000000 0x20000000>; /* 512MiB */
+ /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
+ 0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
};

reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
/*
* Move frame buffer out of IOC aperture (0x8z-0xAz).
*/
frame_buffer: frame_buffer@be000000 {
compatible = "shared-dma-pool";
- reg = <0xbe000000 0x2000000>;
+ reg = <0x0 0xbe000000 0x0 0x2000000>;
no-map;
};
};
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 695f9fa..4ebb2170 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -14,15 +14,15 @@

/ {
compatible = "snps,arc";
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;

cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;

- ranges = <0x00000000 0xf0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xf0000000 0x10000000>;

core_clk: core_clk {
#clock-cells = <0>;
@@ -100,30 +100,29 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
- reg = < 0xe0012000 0x200 >;
+ reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&idu_intc>;
interrupts = <0>;
};

memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
- reg = <0x80000000 0x20000000>; /* 512MiB */
+ /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
+ 0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
};

reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
/*
* Move frame buffer out of IOC aperture (0x8z-0xAz).
*/
frame_buffer: frame_buffer@be000000 {
compatible = "shared-dma-pool";
- reg = <0xbe000000 0x2000000>;
+ reg = <0x0 0xbe000000 0x0 0x2000000>;
no-map;
};
};
diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index 41cfb29..0ff7e07 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -13,7 +13,7 @@
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0x00000000 0xe0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xe0000000 0x10000000>;
interrupt-parent = <&mb_intc>;

i2sclk: i2sclk@100a0 {
--
2.9.3


2017-07-07 19:57:53

by Vineet Gupta

[permalink] [raw]
Subject: Re: [PATCH] ARC: AXS: prepare dts files for enabling PAE40 on axs103

On 06/26/2017 04:47 AM, Eugeniy Paltsev wrote:
> Enable 64bit adressing, where it needed, to make possible
> enabling PAE40 on axs103.
>
> This patch doesn't affect on any functionality.
>
> Signed-off-by: Eugeniy Paltsev <[email protected]>
> ---
> arch/arc/boot/dts/axc001.dtsi | 20 +++++++++-----------
> arch/arc/boot/dts/axc003.dtsi | 21 ++++++++++-----------
> arch/arc/boot/dts/axc003_idu.dtsi | 21 ++++++++++-----------
> arch/arc/boot/dts/axs10x_mb.dtsi | 2 +-
> 4 files changed, 30 insertions(+), 34 deletions(-)
>
> diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
> index 53ce226..a380ffa 100644
> --- a/arch/arc/boot/dts/axc001.dtsi
> +++ b/arch/arc/boot/dts/axc001.dtsi
> @@ -15,15 +15,15 @@
>
> / {
> compatible = "snps,arc";
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <2>;
> + #size-cells = <2>;
>
> cpu_card {
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
>
> - ranges = <0x00000000 0xf0000000 0x10000000>;
> + ranges = <0x00000000 0x0 0xf0000000 0x10000000>;

AXS101 can't support PAE etc - but I guess you still need to make the change here
because the DT bits for MB are shared ?

>
> core_clk: core_clk {
> #clock-cells = <0>;
> @@ -91,23 +91,21 @@
> mb_intc: dw-apb-ictl@0xe0012000 {
> #interrupt-cells = <1>;
> compatible = "snps,dw-apb-ictl";
> - reg = < 0xe0012000 0x200 >;
> + reg = < 0x0 0xe0012000 0x0 0x200 >;
> interrupt-controller;
> interrupt-parent = <&core_intc>;
> interrupts = < 7 >;
> };
>
> memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> - ranges = <0x00000000 0x80000000 0x20000000>;
> device_type = "memory";
> - reg = <0x80000000 0x1b000000>; /* (512 - 32) MiB */
> + /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
> + reg = <0x0 0x80000000 0x0 0x1b000000>; /* (512 - 32) MiB */
> };
>
> reserved-memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> ranges;
> /*
> * We just move frame buffer area to the very end of
> @@ -118,7 +116,7 @@
> */
> frame_buffer: frame_buffer@9e000000 {
> compatible = "shared-dma-pool";
> - reg = <0x9e000000 0x2000000>;
> + reg = <0x0 0x9e000000 0x0 0x2000000>;
> no-map;
> };
> };
> diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
> index 14df46f..cc9239e 100644
> --- a/arch/arc/boot/dts/axc003.dtsi
> +++ b/arch/arc/boot/dts/axc003.dtsi
> @@ -14,15 +14,15 @@
>
> / {
> compatible = "snps,arc";
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <2>;
> + #size-cells = <2>;
>
> cpu_card {
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
>
> - ranges = <0x00000000 0xf0000000 0x10000000>;
> + ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
>
> core_clk: core_clk {
> #clock-cells = <0>;
> @@ -94,30 +94,29 @@
> mb_intc: dw-apb-ictl@0xe0012000 {
> #interrupt-cells = <1>;
> compatible = "snps,dw-apb-ictl";
> - reg = < 0xe0012000 0x200 >;
> + reg = < 0x0 0xe0012000 0x0 0x200 >;
> interrupt-controller;
> interrupt-parent = <&core_intc>;
> interrupts = < 24 >;
> };
>
> memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> - ranges = <0x00000000 0x80000000 0x40000000>;
> device_type = "memory";
> - reg = <0x80000000 0x20000000>; /* 512MiB */
> + /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
> + reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
> + 0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
> };
>
> reserved-memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> ranges;
> /*
> * Move frame buffer out of IOC aperture (0x8z-0xAz).
> */
> frame_buffer: frame_buffer@be000000 {
> compatible = "shared-dma-pool";
> - reg = <0xbe000000 0x2000000>;
> + reg = <0x0 0xbe000000 0x0 0x2000000>;
> no-map;
> };
> };
> diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
> index 695f9fa..4ebb2170 100644
> --- a/arch/arc/boot/dts/axc003_idu.dtsi
> +++ b/arch/arc/boot/dts/axc003_idu.dtsi
> @@ -14,15 +14,15 @@
>
> / {
> compatible = "snps,arc";
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <2>;
> + #size-cells = <2>;
>
> cpu_card {
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
>
> - ranges = <0x00000000 0xf0000000 0x10000000>;
> + ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
>
> core_clk: core_clk {
> #clock-cells = <0>;
> @@ -100,30 +100,29 @@
> mb_intc: dw-apb-ictl@0xe0012000 {
> #interrupt-cells = <1>;
> compatible = "snps,dw-apb-ictl";
> - reg = < 0xe0012000 0x200 >;
> + reg = < 0x0 0xe0012000 0x0 0x200 >;
> interrupt-controller;
> interrupt-parent = <&idu_intc>;
> interrupts = <0>;
> };
>
> memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> - ranges = <0x00000000 0x80000000 0x40000000>;
> device_type = "memory";
> - reg = <0x80000000 0x20000000>; /* 512MiB */
> + /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
> + reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
> + 0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
> };
>
> reserved-memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> ranges;
> /*
> * Move frame buffer out of IOC aperture (0x8z-0xAz).
> */
> frame_buffer: frame_buffer@be000000 {
> compatible = "shared-dma-pool";
> - reg = <0xbe000000 0x2000000>;
> + reg = <0x0 0xbe000000 0x0 0x2000000>;
> no-map;
> };
> };
> diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
> index 41cfb29..0ff7e07 100644
> --- a/arch/arc/boot/dts/axs10x_mb.dtsi
> +++ b/arch/arc/boot/dts/axs10x_mb.dtsi
> @@ -13,7 +13,7 @@
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
> - ranges = <0x00000000 0xe0000000 0x10000000>;
> + ranges = <0x00000000 0x0 0xe0000000 0x10000000>;
> interrupt-parent = <&mb_intc>;
>
> i2sclk: i2sclk@100a0 {

2017-07-07 22:28:36

by Alexey Brodkin

[permalink] [raw]
Subject: Re: [PATCH] ARC: AXS: prepare dts files for enabling PAE40 on axs103

Hi Vineet,

On Fri, 2017-07-07 at 12:57 -0700, Vineet Gupta wrote:
> On 06/26/2017 04:47 AM, Eugeniy Paltsev wrote:
> >
> > Enable 64bit adressing, where it needed, to make possible
> > enabling PAE40 on axs103.
> >
> > This patch doesn't affect on any functionality.
> >
> > Signed-off-by: Eugeniy Paltsev <[email protected]>
> > ---
> >   arch/arc/boot/dts/axc001.dtsi     | 20 +++++++++-----------
> >   arch/arc/boot/dts/axc003.dtsi     | 21 ++++++++++-----------
> >   arch/arc/boot/dts/axc003_idu.dtsi | 21 ++++++++++-----------
> >   arch/arc/boot/dts/axs10x_mb.dtsi  |  2 +-
> >   4 files changed, 30 insertions(+), 34 deletions(-)
> >
> > diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
> > index 53ce226..a380ffa 100644
> > --- a/arch/arc/boot/dts/axc001.dtsi
> > +++ b/arch/arc/boot/dts/axc001.dtsi
> > @@ -15,15 +15,15 @@
> >   
> >   / {
> >    compatible = "snps,arc";
> > - #address-cells = <1>;
> > - #size-cells = <1>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> >   
> >    cpu_card {
> >    compatible = "simple-bus";
> >    #address-cells = <1>;
> >    #size-cells = <1>;
> >   
> > - ranges = <0x00000000 0xf0000000 0x10000000>;
> > + ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
>
> AXS101 can't support PAE etc - but I guess you still need to make the change here 
> because the DT bits for MB are shared ?

Correct that's the case. So it looks misleading but as long as we want to share MB's .dtsi
for both axs101 and axs103 we need to keep that change.

-Alexey