Re: Denali NAND driver on SocKit

[Dinh Nguyen <dinguyen@opensource.altera.com>]

CC: Graham Moore

Graham should know more about this.

Dinh

On 11/30/2015 12:31 PM, Pavel Machek wrote:
> Hi!
> 
> I'm trying to get NAND to work on socdk board... but it looks like
> neccessary device tree bindings are not there. And when I do add them,
> they don't seem to work.
> 
> Does it work for you? Is there patch I should apply?
> 
> Thanks,
> 								Pavel
> 
> 
> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
> index bd2937f..ec61b29 100644
> --- a/arch/arm/boot/dts/socfpga.dtsi
> +++ b/arch/arm/boot/dts/socfpga.dtsi
> @@ -582,6 +582,46 @@
>  			status = "disabled";
>  		};
>  
> +		nand: nand@ff900000 {
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			compatible = "denali,denali-nand-dt";
> +			reg = <0xff900000 0x100000>, <0xffb80000 0x10000>;
> +			reg-names = "nand_data", "denali_reg";
> +			interrupts = <0 144 4>;
> +			dma-mask = <0xffffffff>;
> +			clocks = <&nand_clk>;
> +			have-hw-ecc-fixup;
> +			status = "disabled";
> +
> +			partition@nand-boot {
> +				/* 8MB for raw data. */
> +				label = "NAND Flash Boot Area 8MB";
> +				reg = <0x0 0x800000>;
> +			};
> +			partition@nand-rootfs {
> +				/* 128MB jffs2 root filesystem. */
> +				label = "NAND Flash jffs2 Root Filesystem 128MB";
> +				reg = <0x800000 0x8000000>;
> +			};
> +			partition@nand-128 {
> +				label = "NAND Flash 128 MB";
> +				reg = <0x8800000 0x8000000>;
> +			};
> +			partition@nand-64 {
> +				label = "NAND Flash 64 MB";
> +				reg = <0x10800000 0x4000000>;
> +			};
> +			partition@nand-32 {
> +				label = "NAND Flash 32 MB";
> +				reg = <0x14800000 0x2000000>;
> +			};
> +			partition@nand-16 {
> +				label = "NAND Flash 16 MB";
> +				reg = <0x16800000 0x1000000>;
> +			};
> +		};
> +
>  		gpio0: gpio@ff708000 {
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> index d4d0a28..b56c8f9 100644
> --- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> +++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
> @@ -89,3 +89,7 @@
>  &usb1 {
>  	status = "okay";
>  };
> +
> +&nand {
> +        status = "okay";
> +};
>