atmel/nand: add DT support

Use a local copy of board informatin and fill with DT data.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>

4 files changed, 99 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index a100db03ec90..4b0dc99b9319 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -172,5 +172,21 @@
                                 status = "disabled";
                         };
                 };
+
+                nand0: nand@40000000 {
+                        compatible = "atmel,at91rm9200-nand";
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        reg = <0x40000000 0x10000000
+                               0xffffe800 0x200
+                              >;
+                        atmel,nand-addr-offset = <21>;
+                        atmel,nand-cmd-offset = <22>;
+                        gpios = <&pioC 13 0
+                                 &pioC 14 0
+                                 0
+                                >;
+                        status = "disabled";
+                };
         };
 };
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index f779667159b1..d79021b831c4 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -180,5 +180,21 @@
                                 status = "disabled";
                         };
                 };
+
+                nand0: nand@40000000 {
+                        compatible = "atmel,at91rm9200-nand";
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+                        reg = <0x40000000 0x10000000
+                               0xffffe200 0x200
+                              >;
+                        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/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
index 15e25f903cad..fd4531135431 100644
--- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
+++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
@@ -14,7 +14,7 @@
         compatible = "atmel,at91sam9m10g45ek", "atmel,at91sam9g45", "atmel,at91sam9";
 
         chosen {
-                bootargs = "mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2";
+                bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
         };
 
         memory@70000000 {
@@ -36,6 +36,29 @@
                                 status = "okay";
                         };
                 };
+
+                nand0: nand@40000000 {
+                        nand-bus-width = <8>;
+                        nand-ecc-mode = "soft";
+                        nand-on-flash-bbt;
+                        status = "okay";
+
+                        boot@0 {
+                                label = "bootstrap/uboot/kernel";
+                                reg = <0x0 0x400000>;
+                        };
+
+                        rootfs@400000 {
+                                label = "rootfs";
+                                reg = <0x400000 0x3C00000>;
+                        };
+
+                        data@4000000 {
+                                label = "data";
+                                reg = <0x4000000 0xC000000>;
+                        };
+
+                };
         };
 
         leds {
diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts
index d74545a2a77c..71d83ef316df 100644
--- a/arch/arm/boot/dts/usb_a9g20.dts
+++ b/arch/arm/boot/dts/usb_a9g20.dts
@@ -13,7 +13,7 @@
         compatible = "calao,usb-a9g20", "atmel,at91sam9g20", "atmel,at91sam9";
 
         chosen {
-                bootargs = "mem=64M console=ttyS0,115200 mtdparts=atmel_nand:128k(at91bootstrap),256k(barebox)ro,128k(bareboxenv),128k(bareboxenv2),4M(kernel),120M(rootfs),-(data) root=/dev/mtdblock5 rw rootfstype=ubifs";
+                bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
         };
 
         memory@20000000 {
@@ -31,6 +31,48 @@
                                 status = "okay";
                         };
                 };
+
+                nand0: nand@40000000 {
+                        nand-bus-width = <8>;
+                        nand-ecc-mode = "soft";
+                        nand-on-flash-bbt;
+                        status = "okay";
+
+                        at91bootstrap@0 {
+                                label = "at91bootstrap";
+                                reg = <0x0 0x20000>;
+                        };
+
+                        barebox@20000 {
+                                label = "barebox";
+                                reg = <0x20000 0x40000>;
+                        };
+
+                        bareboxenv@60000 {
+                                label = "bareboxenv";
+                                reg = <0x60000 0x20000>;
+                        };
+
+                        bareboxenv2@80000 {
+                                label = "bareboxenv2";
+                                reg = <0x80000 0x20000>;
+                        };
+
+                        kernel@a0000 {
+                                label = "kernel";
+                                reg = <0xa0000 0x400000>;
+                        };
+
+                        rootfs@4a0000 {
+                                label = "rootfs";
+                                reg = <0x4a0000 0x7800000>;
+                        };
+
+                        data@7ca0000 {
+                                label = "data";
+                                reg = <0x7ca0000 0x8360000>;
+                        };
+                };
         };
 
         leds {