[PATCH 1/2] Add support for kernel and device tree images stored in a partition

Maxime Ripard maxime.ripard at free-electrons.com
Mon Jul 2 10:14:53 EDT 2012


It is a quite common setup to have a partition with all you need to boot
from the bootloader, ie the kernel image, the device tree blob, etc.

This patch introduces a new "file" location for these two images, which
uses in turn the *_part and the new *_part_type variable specifying the
fs type used by mount.

Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
Cc: Brian Lilly <brian at crystalfontz.com>
---
 defaultenv/bin/boot |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/defaultenv/bin/boot b/defaultenv/bin/boot
index 61b893a..26360ed 100644
--- a/defaultenv/bin/boot
+++ b/defaultenv/bin/boot
@@ -114,6 +114,12 @@ elif [ x$kernel_loc = xnand ]; then
 	kdev="/dev/nand0.kernel.bb"
 elif [ x$kernel_loc = xdisk ]; then
 	kdev="/dev/$kernel_part"
+elif [ x$kernel_loc = xfile ]; then
+	if [ ! -d $kernel_part ]; then
+		mkdir $kernel_part
+		mount /dev/$kernel_part $kernel_part_type $kernel_part
+	fi
+	kdev="$kernel_part/$kernelimage"
 else
 	echo "error: set kernel_loc to one of 'tftp', 'nfs', 'nand', 'nor' or 'disk'"
 	exit 1
@@ -128,6 +134,12 @@ elif [ x$oftree_loc = xnand ]; then
 	odev="/dev/nand0.oftree.bb"
 elif [ x$oftree_loc = xdisk ]; then
 	odev="/dev/$oftree_part"
+elif [ x$oftree_loc = xfile ]; then
+	if [ ! -d $oftree_part ]; then
+		mkdir $oftree_loc
+		mount /dev/$oftree_part $oftree_part_type $oftree_part
+	fi
+	odev="$oftree_part/$oftreeimage"
 fi
 
 [ x$odev = x ] || bootm_opt="$bootm_opt -o $odev"
-- 
1.7.9.5




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