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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-02-21 21:38:18 +0800
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-03-15 23:29:19 +0800
commit86a89f4ff665d385741a7831c612fc0b9aa22480 (patch)
treea69357560740d3157dd76f79fb6a5891d8cf02ff /arch
parentd6a016616ba834b7da7653effb98d413acde7aa2 (diff)
ARM: at91: sam9x5 add nand support
Enable the nand in the cpu module with the partition. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/at91sam9g25ek.dts2
-rw-r--r--arch/arm/boot/dts/at91sam9x5.dtsi15
-rw-r--r--arch/arm/boot/dts/at91sam9x5cm.dtsi34
3 files changed, 50 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts
index e64eb932083..c7596bf2638 100644
--- a/arch/arm/boot/dts/at91sam9g25ek.dts
+++ b/arch/arm/boot/dts/at91sam9g25ek.dts
@@ -15,7 +15,7 @@
compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
chosen {
- bootargs = "128M console=ttyS0,115200 mtdparts=atmel_nand:8M(bootstrap/uboot/kernel)ro,-(rootfs) root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
+ bootargs = "128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
};
ahb {
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index a02e636d8a5..c294657a1f7 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -172,5 +172,20 @@
status = "disabled";
};
};
+
+ nand0: nand@40000000 {
+ compatible = "atmel,at91rm9200-nand";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x40000000 0x10000000
+ >;
+ atmel,nand-addr-offset = <21>;
+ atmel,nand-cmd-offset = <22>;
+ gpios = <&pioC 8 0
+ &pioC 14 0
+ 0
+ >;
+ status = "disabled";
+ };
};
};
diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi
index 64ae3e89025..5b37033bed5 100644
--- a/arch/arm/boot/dts/at91sam9x5cm.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi
@@ -12,6 +12,40 @@
reg = <0x20000000 0x8000000>;
};
+ ahb {
+ nand0: nand@40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt;
+ status = "okay";
+
+ at91bootstrap@0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x40000>;
+ };
+
+ uboot@40000 {
+ label = "u-boot";
+ reg = <0x40000 0x80000>;
+ };
+
+ ubootenv@c0000 {
+ label = "U-Boot Env";
+ reg = <0xc0000 0x140000>;
+ };
+
+ kernel@200000 {
+ label = "kernel";
+ reg = <0x200000 0x600000>;
+ };
+
+ rootfs@800000 {
+ label = "rootfs";
+ reg = <0x800000 0x1f800000>;
+ };
+ };
+ };
+
leds {
compatible = "gpio-leds";