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>

diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts
index e64eb93..c7596bf 100644 (file)
--- 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 a02e636..c294657 100644 (file)
--- 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 64ae3e8..5b37033 100644 (file)
--- 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";