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";
> +};
>
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