[PATCH 4/4] ARM: davinci: da850-evm: add SPI flash support

Manjunathappa, Prakash prakash.pm at ti.com
Wed Feb 27 20:29:13 EST 2013


On Wed, Feb 27, 2013 at 13:55:09, Nori, Sekhar wrote:
> On 2/25/2013 4:14 PM, Manjunathappa, Prakash wrote:
> > Enable m25p80 SPI flash support on da850-EVM. Also
> > add partition information of SPI flash.
> > 
> > Signed-off-by: Manjunathappa, Prakash <prakash.pm at ti.com>
> > ---
> >  arch/arm/boot/dts/da850-evm.dts |   40 +++++++++++++++++++++++++++++++++++++++
> >  1 files changed, 40 insertions(+), 0 deletions(-)
> > 
> > diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> > index 78c8e54..1a28d43 100644
> > --- a/arch/arm/boot/dts/da850-evm.dts
> > +++ b/arch/arm/boot/dts/da850-evm.dts
> > @@ -46,6 +46,46 @@
> >  			pinctrl-names = "default";
> >  			pinctrl-0 = <&mmc0_pins>;
> >  		};
> > +		spi1: spi at 1f0e000 {
> > +			status = "okay";
> > +			pinctrl-names = "default";
> > +			pinctrl-0 = <&spi1_pins>;
> > +			flash: m25p80 at 0 {
> > +				#address-cells = <1>;
> > +				#size-cells = <1>;
> > +				compatible = "m25p80";
> 
> Are you sure there is a m25p80 part on these boards? On my board using
> this patch I get:
> 
> m25p80 spi32766.0: found m25p64, expected m25p80
> 

On my board also I see this warning. Also there is mistake in filesystem
partition information specified in this patch, will correct it in next
version of patch.

Thanks,
Prakash

> I can access the flash just fine though.
> 
> Thanks,
> Sekhar
> 



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