Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH 2/2] ARM: dts: dm814x: dra62x: Disable wait pin monitoring for NAND | Date | Tue, 1 Mar 2016 15:44:48 +0200 |
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The NAND Ready/Busy# line is connected to GPMC_WAIT0 pin and can't be used for wait state insertion for NAND I/O read/write. So disable read/write wait monitoring as per Reference Manual's suggestion [1].
[1] dm814x TRM: SPRUGZ8F: 11.2.4.12.2 NAND Device-Ready Pin
Signed-off-by: Roger Quadros <rogerq@ti.com> --- arch/arm/boot/dts/dm8148-evm.dts | 3 --- arch/arm/boot/dts/dra62x-j5eco-evm.dts | 3 --- 2 files changed, 6 deletions(-)
diff --git a/arch/arm/boot/dts/dm8148-evm.dts b/arch/arm/boot/dts/dm8148-evm.dts index be56c8f..cbc17b0 100644 --- a/arch/arm/boot/dts/dm8148-evm.dts +++ b/arch/arm/boot/dts/dm8148-evm.dts @@ -65,12 +65,9 @@ gpmc,access-ns = <64>; gpmc,rd-cycle-ns = <82>; gpmc,wr-cycle-ns = <82>; - gpmc,wait-on-read = "true"; - gpmc,wait-on-write = "true"; gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-delay-ns = <0>; gpmc,clk-activation-ns = <0>; - gpmc,wait-monitoring-ns = <0>; gpmc,wr-access-ns = <40>; gpmc,wr-data-mux-bus-ns = <0>; partition@0 { diff --git a/arch/arm/boot/dts/dra62x-j5eco-evm.dts b/arch/arm/boot/dts/dra62x-j5eco-evm.dts index b0c8144..f820573 100644 --- a/arch/arm/boot/dts/dra62x-j5eco-evm.dts +++ b/arch/arm/boot/dts/dra62x-j5eco-evm.dts @@ -65,12 +65,9 @@ gpmc,access-ns = <64>; gpmc,rd-cycle-ns = <82>; gpmc,wr-cycle-ns = <82>; - gpmc,wait-on-read = "true"; - gpmc,wait-on-write = "true"; gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-delay-ns = <0>; gpmc,clk-activation-ns = <0>; - gpmc,wait-monitoring-ns = <0>; gpmc,wr-access-ns = <40>; gpmc,wr-data-mux-bus-ns = <0>; partition@0 { -- 2.5.0
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