From 0bc069b2e46ec673daf1c17ee86099fef7252660 Mon Sep 17 00:00:00 2001
From: Thierry Reding <thierry.reding@avionic-design.de>
Date: Mon, 30 Jul 2012 20:21:56 +0000
Subject: [PATCH] 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>
---
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 9faebd8bc6..bb3851b57d 100644
--- 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 9b3f88dff8..9d14d15f69 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 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
--
2.39.5