[PATCH 2/2] ARM: dts: OMAP3: Add NAND memory for Overo products

Florian Vaussard florian.vaussard at epfl.ch
Tue Jan 29 04:54:08 EST 2013


Add device-tree support for the on-board NAND memory,
with corresponding partitions.

Signed-off-by: Florian Vaussard <florian.vaussard at epfl.ch>
---
 arch/arm/boot/dts/omap3-overo.dtsi |   49 ++++++++++++++++++++++++++++++++++++
 1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/omap3-overo.dtsi b/arch/arm/boot/dts/omap3-overo.dtsi
index 81341fa..0efd6f3 100644
--- a/arch/arm/boot/dts/omap3-overo.dtsi
+++ b/arch/arm/boot/dts/omap3-overo.dtsi
@@ -33,6 +33,55 @@
 	};
 };
 
+&gpmc {
+	ranges = <0 0 0x30000000 0x00000004>;       /* CS0: NAND */
+
+	nand at 0 {
+		reg = <0 0 0>; /* CS0, offset 0 */
+
+		nand-bus-width = <16>;
+		ti,nand-ecc-opt = "sw";
+
+		gpmc,sync-clk = <0>;
+		gpmc,cs-on = <0>;
+		gpmc,cs-rd-off = <36>;
+		gpmc,cs-wr-off = <36>;
+		gpmc,adv-on = <6>;
+		gpmc,adv-rd-off = <24>;
+		gpmc,adv-wr-off = <36>;
+		gpmc,we-off = <30>;
+		gpmc,oe-off = <48>;
+		gpmc,access = <54>;
+		gpmc,rd-cycle = <72>;
+		gpmc,wr-cycle = <72>;
+		gpmc,wr-access = <30>;
+		gpmc,wr-data-mux-bus = <0>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		xloader at 0 {
+			reg = <0x00000000 0x00080000>;
+		};
+
+		uboot at 80000 {
+			reg = <0x00080000 0x001c0000>;
+		};
+
+		ubootenv at 240000 {
+			reg = <0x00240000 0x00040000>;
+		};
+
+		linux at 280000 {
+			reg = <0x00280000 0x00400000>;
+		};
+
+		rootfs at 680000 {
+			reg = <0x00680000 0x1f980000>; /* 500 MB */
+		};
+	};
+};
+
 &i2c1 {
 	clock-frequency = <2600000>;
 
-- 
1.7.5.4



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