[PATCH 1/2] ARM: i.MX6: GuF Santaro: Use emmc boot1 for storing the environment

[PATCH 1/2] ARM: i.MX6: GuF Santaro: Use emmc boot1 for storing the environment

[Sascha Hauer]

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/dts/imx6q-guf-santaro.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/dts/imx6q-guf-santaro.dts b/arch/arm/dts/imx6q-guf-santaro.dts
index db93a48..7978d80 100644
--- a/arch/arm/dts/imx6q-guf-santaro.dts
+++ b/arch/arm/dts/imx6q-guf-santaro.dts
@@ -28,7 +28,7 @@
 
 		environment-emmc {
 			compatible = "barebox,environment";
-			device-path = &usdhc2, "partname:barebox-environment";
+			device-path = &usdhc4, "partname:boot1";
 		};
 	};
 
-- 
2.1.1


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[PATCH 2/2] Documentation: Add GuF Santaro documentation

[Sascha Hauer]

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 Documentation/boards/garz-fricke.rst | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/boards/garz-fricke.rst

diff --git a/Documentation/boards/garz-fricke.rst b/Documentation/boards/garz-fricke.rst
new file mode 100644
index 0000000..33d0dd3
--- /dev/null
+++ b/Documentation/boards/garz-fricke.rst
@@ -0,0 +1,33 @@
+Garz & Fricke based boards
+==========================
+
+Garz & Fricke have a variety of Freescale i.MX based boards. Most boards are
+shipped with the redboot bootloader, newer boards are shipped with a combination
+of a shim (U-Boot based) non interactive loader and a Linux based rescue system
+called 'Flash-N-Go'.
+
+Santaro (i.MX6)
+---------------
+
+This board comes with Flash-N-Go. It boots from the internal eMMC boot0 partition.
+To put barebox on this board boot the system up in the Flash-N-Go system by holding
+the user button pressed during startup. The barebox image can be transferred via
+network or any other medium the Santaro supports. You can backup the original bootloader
+with:
+
+.. code-block:: sh
+  cat /dev/mmcblk0boot0 > /mnt/mmcblk0boot0.backup
+  cat /dev/mmcblk0boot1 > /mnt/mmcblk0boot1.backup
+
+The original bootloader can be restored by copying the backup files back to the
+device.
+
+To install barebox on the board do:
+
+.. code-block:: sh
+  echo 0 > /sys/block/mmcblk0boot0/force_ro
+  cat barebox-guf-santaro.img > /dev/mmcblk0boot0
+
+The board will come up with barebox after restart. Should you end up with a nonworking
+barebox or otherwise brick your board this way write a mail to s.hauer@pengutronix.de.
+There's a way to put the board into SD/USB boot mode, but this requires opening the case.
-- 
2.1.1


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