[U-Boot] [PATCH 2/2] tegra: Enable NAND on TEC

[Thierry Reding]

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 at avionic-design.de>
---
 board/avionic-design/dts/tegra20-tec.dts | 11 +++++++++++
 include/configs/tec.h                    | 12 ++++++++++--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/board/avionic-design/dts/tegra20-tec.dts b/board/avionic-design/dts/tegra20-tec.dts
index 9faebd8..bb3851b 100644
--- a/board/avionic-design/dts/tegra20-tec.dts
+++ b/board/avionic-design/dts/tegra20-tec.dts
@@ -55,4 +55,15 @@
 	usb at c5004000 {
 		status = "disabled";
 	};
+
+	nand-controller at 70008000 {
+		nvidia,wp-gpios = <&gpio 23 0>; /* PC7 */
+		nvidia,width = <8>;
+		nvidia,timing = <26 100 20 80 20 10 12 10 70>;
+
+		nand at 0 {
+			reg = <0>;
+			compatible = "hynix,hy27uf4g2b", "nand-flash";
+		};
+	};
 };
diff --git a/include/configs/tec.h b/include/configs/tec.h
index 9b3f88d..54fcd41 100644
--- 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 not stored */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		(SZ_512M - SZ_128K) /* 128K sector size */
+
 /* USB host support */
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_TEGRA
-- 
1.7.11.3