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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: Mark Jackson <mpfj@newflow.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
zero-colors
Mark Jackson 2016-12-15 10:52:13 +00:00 committed by Tony Lindgren
parent 1a8eca7fa8
commit e2ae7efefb
1 changed files with 30 additions and 1 deletions
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31
arch/arm/boot/dts/am335x-nano.dts
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@ -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 {