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

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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 <Eugeniy.Paltsev at synopsys.com>
> ---
>   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 at 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 at 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 at 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 at 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 at 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 at 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 at 100a0 {




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