From b9b53a60ae1148fa478c21f19fe89b8991ef0692 Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@nvidia.com>
Date: Thu, 23 Jan 2014 13:17:01 -0700
Subject: [PATCH] ARM: tegra: set env vars to indicate Cardhu A04 support

The U-Boot "cardhu" build supports only revision 4 of the Cardhu board
and later compatible revisions. Hence, set $board_name in the default
environment to "cardhu-a04" rather than just "cardhu".

The Linux kernel has separate DTs for Cardhu A02 and A04, although the
former isn't really supported any more. Consequently, the kernel DT file
that matches the U-Boot cardhu build is "tegra30-cardhu-a04.dtb" rather
than "tegra30-cardhu.dtb". Set the $fdtfile default environment variable
to reflect this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---
 include/configs/cardhu.h            | 4 ++++
 include/configs/tegra-common-post.h | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/configs/cardhu.h b/include/configs/cardhu.h
index 4abb03ea56..e80d1a6fa3 100644
--- a/include/configs/cardhu.h
+++ b/include/configs/cardhu.h
@@ -30,6 +30,10 @@
 #define V_PROMPT		"Tegra30 (Cardhu) # "
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA Cardhu"
 
+#define BOARD_EXTRA_ENV_SETTINGS \
+	"board_name=cardhu-a04\0" \
+	"fdtfile=tegra30-cardhu-a04.dtb\0"
+
 /* Board-specific serial config */
 #define CONFIG_SERIAL_MULTI
 #define CONFIG_TEGRA_ENABLE_UARTA
diff --git a/include/configs/tegra-common-post.h b/include/configs/tegra-common-post.h
index a3242fe612..020b9b17b1 100644
--- a/include/configs/tegra-common-post.h
+++ b/include/configs/tegra-common-post.h
@@ -129,10 +129,15 @@
 	"stderr=serial" STDOUT_LCD "\0" \
 	""
 
+#ifndef BOARD_EXTRA_ENV_SETTINGS
+#define BOARD_EXTRA_ENV_SETTINGS
+#endif
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	TEGRA_DEVICE_SETTINGS \
 	MEM_LAYOUT_ENV_SETTINGS \
-	BOOTCMDS_COMMON
+	BOOTCMDS_COMMON \
+	BOARD_EXTRA_ENV_SETTINGS
 
 #if defined(CONFIG_TEGRA20_SFLASH) || defined(CONFIG_TEGRA20_SLINK) || defined(CONFIG_TEGRA114_SPI)
 #define CONFIG_FDT_SPI
-- 
2.39.5