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| author | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2016-08-11 22:52:03 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-09-18 21:04:38 -0600 |
| commit | 2945eb73dd988cbd9775395128935256deb9a96e (patch) | |
| tree | 8c24b28cc1c81ae14fdf8cd3ff8c5c4ca914bb37 /board | |
| parent | 9a6535e05f17acf03e891266a650cb6029124743 (diff) | |
| download | u-boot-imx-2945eb73dd988cbd9775395128935256deb9a96e.zip u-boot-imx-2945eb73dd988cbd9775395128935256deb9a96e.tar.gz u-boot-imx-2945eb73dd988cbd9775395128935256deb9a96e.tar.bz2 | |
sandbox: document support of block device emulation
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Acked-by: Simon Glass <sjg@chromium.org>
Changed 'Sandbox' to 'sandbox' in subject:
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'board')
| -rw-r--r-- | board/sandbox/README.sandbox | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/sandbox/README.sandbox b/board/sandbox/README.sandbox index ed820d3..02d8ab3 100644 --- a/board/sandbox/README.sandbox +++ b/board/sandbox/README.sandbox @@ -320,6 +320,25 @@ CONFIG_SPI_IDLE_VAL The idle value on the SPI bus +Block Device Emulation +---------------------- + +U-Boot can use raw disk images for block device emulation. To e.g. list +the contents of the root directory on the second partion of the image +"disk.raw", you can use the following commands: + +=>host bind 0 ./disk.raw +=>ls host 0:2 + +A disk image can be created using the following commands: + +$> truncate -s 1200M ./disk.raw +$> echo -e "label: gpt\n,64M,U\n,,L" | /usr/sbin/sfdisk ./disk.raw +$> lodev=`sudo losetup -P -f --show ./disk.raw` +$> sudo mkfs.vfat -n EFI -v ${lodev}p1 +$> sudo mkfs.ext4 -L ROOT -v ${lodev}p2 + + Writing Sandbox Drivers ----------------------- |