Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e2ae7efe authored by Mark Jackson's avatar Mark Jackson Committed by Tony Lindgren
Browse files

ARM: dts: Update Nanobone dts file to add external FRAM chip 



From v4.2+ the GPMC code has been changed to reset all the bootloader
GPMC settings when the kernel starts.

As such, this DTS file now needs the external FRAM defined.

Signed-off-by: default avatarMark Jackson <mpfj@newflow.co.uk>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 1a8eca7f

arch/arm/boot/dts/am335x-nano.dts

+30 −1
Original line number Diff line number Diff line
@@ -249,7 +249,8 @@ 


	#address-cells = <2>;

	#size-cells = <1>;

	ranges = <0 0 0x08000000 0x08000000>;	/* CS0: NOR 128M */

	ranges = <0 0 0x08000000 0x08000000>,	/* CS0: NOR 128M */

		 <1 0 0x1c000000 0x01000000>;	/* CS1: FRAM 16M */



	nor@0,0 {

		reg = <0 0x00000000 0x08000000>;
@@ -342,6 +343,34 @@ 
			reg = <0x04000000 0x04000000>; /* 64MB */

		};

	};



	fram@1,0 {

		reg = <1 0x00000000 0x01000000>;

		bank-width = <2>;



		gpmc,mux-add-data = <2>;



		gpmc,sync-clk-ps = <0>;

		gpmc,cs-on-ns = <0>;

		gpmc,cs-rd-off-ns = <160>;

		gpmc,cs-wr-off-ns = <160>;

		gpmc,adv-on-ns = <10>;

		gpmc,adv-rd-off-ns = <20>;

		gpmc,adv-wr-off-ns = <20>;

		gpmc,oe-on-ns = <30>;

		gpmc,oe-off-ns = <150>;

		gpmc,we-on-ns = <30>;

		gpmc,we-off-ns = <150>;

		gpmc,rd-cycle-ns = <160>;

		gpmc,wr-cycle-ns = <160>;

		gpmc,access-ns = <130>;

		gpmc,page-burst-access-ns = <10>;

		gpmc,cycle2cycle-samecsen;

		gpmc,cycle2cycle-diffcsen;

		gpmc,cycle2cycle-delay-ns = <10>;

		gpmc,wr-data-mux-bus-ns = <30>;

		gpmc,wr-access-ns = <0>;

	};

};



&mac {