Patchwork [U-Boot,3/7] tegra: ventana: store environment in eMMC

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Submitter Stephen Warren
Date May 24, 2012, 9:38 p.m.
Message ID <1337895519-13502-3-git-send-email-swarren@wwwdotorg.org>
Download mbox | patch
Permalink /patch/161225/
State Accepted
Commit 294cd67c8d4a7049dc8d972a52527f605dbdaff7
Headers show

Comments

Stephen Warren - May 24, 2012, 9:38 p.m.
From: Stephen Warren <swarren@nvidia.com>

Store the environment in eMMC, at the end of the second boot sector.
This should not conflict with any other eMMC usage: U-Boot is stored
well below this location, and the kernel only uses the general area
of the eMMC once booted, not the boot sectors.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
 include/configs/ventana.h |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

Patch

diff --git a/include/configs/ventana.h b/include/configs/ventana.h
index 2c7355b..665076d 100644
--- a/include/configs/ventana.h
+++ b/include/configs/ventana.h
@@ -57,8 +57,10 @@ 
 #define CONFIG_CMD_EXT2
 #define CONFIG_CMD_FAT
 
-/* Environment not stored */
-#define CONFIG_ENV_IS_NOWHERE
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET ((2 * 1024 * 1024) - CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MMC_ENV_DEV 0
 
 /* USB Host support */
 #define CONFIG_USB_EHCI