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This speeds up the generation of the sdcard and reduces the amount of
space used for it.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reported-by: "John Passaniti" <jpassaniti@ashly.com>
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The mxs SoC family requires use of a bootstream in bootloader but at
this moment only SDCard format is supported. The image for use is
'u-boot.mxsboot-sdcard' and this is also the file extension of the
generated file beside of regular u-boot binary.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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u-boot-imx has padding by default and machines using it need to skip
it when generating the sdcard.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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The generation of SDCard has been completely refactored to work out of
box; now to use it you have to set, e.g:
SDCARD_ROOTFS = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ext3"
SDCARD_SIZE = "128"
IMAGE_TYPES += "ext3 sdcard"
Now the sdcard has following layout:
0 - 1M - reserved to bootloader and other data
1M - BOOT_SPACE - kernel
BOOT_SPACE - SDCARD_SIZE - rootfs
All current supported machines on BSP will work out of box and
generate a 2GB SDCard with an ext3 rootfs on it.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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The IMAGE_BOOTLOADER variable allows to specific the bootloader to be
used. Currently it supports 'u-boot' and 'barebox' as option. Images
using the bbsdcard_image.bbclass need to change the image definition
to adapt to this.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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this class allows the generation of a ready to use SDCard image
using barebox bootloader.
example on how to use it (with angstrom distro) :
1- add these 3 lines to your local.conf :
ROOTFS = "${DEPLOY_DIR_IMAGE}/console-image-imx53qsb.ext3"
INHERIT += "bbsdcard_image"
BBSDIMG_SIZE = "512"
2- build the image
bitbake console-image
3- copy it to the sdcard (update device for you sdcard, take care to not erase your hard drive ;-)
sudo dd if=build/tmp-angstrom_2010_x-eglibc/deploy/images/imx53qsb/console-image-imx53qsb.bbsdimg of=/dev/mmcblk0
Signed-off-by: Eric Bénard <eric@eukrea.com>
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This creates an image suitable for writting onto a SD card and use on
i.MX53 boards allowing for easy image testing.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
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