diff options
| author | Mark Jackson <mpfj-list@newflow.co.uk> | 2016-12-15 10:52:13 +0000 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2017-01-05 09:08:11 -0800 |
| commit | e2ae7efefb32324bb95fb4485269bff99ca603ed (patch) | |
| tree | 1871489b38e2e551b0318e14dd8e86dd157c99b6 /arch/arm/boot/dts/am335x-nano.dts | |
| parent | 1a8eca7fa8cad9e4da8a772b7da93584bbda910e (diff) | |
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>
Diffstat (limited to 'arch/arm/boot/dts/am335x-nano.dts')
| -rw-r--r-- | arch/arm/boot/dts/am335x-nano.dts | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts index 483d585c8908..807494bc722b 100644 --- a/arch/arm/boot/dts/am335x-nano.dts +++ b/arch/arm/boot/dts/am335x-nano.dts @@ -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 { |