tegra: Enable NAND on TEC

This commit enables NAND support on the Tamonten Evaluation Carrier and
adds the corresponding device tree nodes. Furthermore, the U-Boot
environment can now be stored in NAND.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>

diff --git a/board/avionic-design/dts/tegra20-tec.dts b/board/avionic-design/dts/tegra20-tec.dts
index 9faebd8bc66682bf8efeceb9966489016d0191d5..bb3851b57d10dabe5dd61053299bc93f32618f81 100644 (file)
--- a/board/avionic-design/dts/tegra20-tec.dts
+++ b/board/avionic-design/dts/tegra20-tec.dts
@@ -55,4 +55,15 @@
        usb@c5004000 {
                status = "disabled";
        };
+
+       nand-controller@70008000 {
+               nvidia,wp-gpios = <&gpio 23 0>; /* PC7 */
+               nvidia,width = <8>;
+               nvidia,timing = <26 100 20 80 20 10 12 10 70>;
+
+               nand@0 {
+                       reg = <0>;
+                       compatible = "hynix,hy27uf4g2b", "nand-flash";
+               };
+       };
 };

diff --git a/include/configs/tec.h b/include/configs/tec.h
index 9b3f88dff86511372a15e5aaccb683d264805f85..9d14d15f69328443e1fde22db7a9b596f5e8ee37 100644 (file)
--- a/include/configs/tec.h
+++ b/include/configs/tec.h
@@ -45,14 +45,22 @@
 
 #define CONFIG_BOARD_EARLY_INIT_F
 
-#define CONFIG_ENV_IS_NOWHERE
-
 /* SD/MMC */
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC
 #define CONFIG_TEGRA_MMC
 #define CONFIG_CMD_MMC
 
+/* NAND support */
+#define CONFIG_CMD_NAND
+#define CONFIG_TEGRA_NAND
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define CONFIG_SYS_NAND_BASE           TEGRA20_NAND_BASE
+
+/* Environment in NAND, aligned to start of last sector */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET              (SZ_512M - SZ_128K) /* 128K sectors */
+
 /* USB host support */
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_TEGRA