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board: add support for the i.MX6 Wandboard platform

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Wandboard is a low cost iMX6 system consiting of an EDM standard
processor module and a small base board.

http://www.wandboard.org

Signed-off-by: Stephan Hoffmann <sho@relinux.de>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Stephan Hoffmann 2013-08-18 19:48:06 +02:00 committed by Thomas Petazzoni
parent 96a1cf3838
commit fd4a399e4d
3 changed files with 79 additions and 0 deletions
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37
board/wandboard/readme.txt Normal file
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Minimal board support for the Wandboard
Wandboard's homepage is here: http://www.wandboard.org/
This config is only tested with the dual core wandboard.
Installing:
You need a micro SD card and a slot/adapter for your development machine.
Partition the SD card leaving at least 1 MB in front of the first partition.
Partition layout (example):
Disk /dev/sdi: 3965 MB, 3965190144 bytes
255 heads, 63 sectors/track, 482 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x77b47445
Device Boot Start End Blocks Id System
/dev/sdi1 2 482 3863632+ 83 Linux
Copy u-boot and its environment to the SD card:
sudo dd if=output/images/u-boot.imx bs=512 seek=2 of=/dev/sd<x>
sudo dd if=output/images/uboot-env.bin bs=512 seek=768 of=/dev/sd<x>
Copy the root filesystem:
sudo dd if=output/images/rootfs.ext2 of=/dev/sd<x>1
Alternative commands to copy root filesystem:
sudo mkfs.ext4 /dev/sd<x>1
sudo mount /dev/sd<x>1 /mnt
sudo tar xf output/images/rootfs.tar -C /mnt
sudo umount /mnt

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board/wandboard/uboot-env.txt Normal file
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baudrate=115200
bootcmd=mmc dev ${mmcdev}; if mmc rescan; then if run loadbootscript; then run bootscript; else if run loaduimage; then run mmcboot; else run netboot; fi; fi; else run netboot; fi
bootdelay=3
bootscript=echo Running bootscript from mmc ...; source
console=ttymxc0
ethact=FEC
ethaddr=00:1f:7b:b2:05:ee
ethprime=FEC
loadaddr=0x12000000
loadbootscript=ext2load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};
loaduimage=ext2load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}
mmcargs=setenv bootargs console=${console},${baudrate} root=${mmcroot}
mmcboot=echo Booting from mmc ...; run mmcargs; bootm;
mmcdev=0
mmcpart=1
mmcroot=/dev/mmcblk0p1 rootwait rw
netargs=setenv bootargs console=${console},${baudrate} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp
netboot=echo Booting from net ...; run netargs; if test ${ip_dyn} = yes; then setenv get_cmd dhcp; else setenv get_cmd tftp; fi; ${get_cmd} ${uimage}; if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if ${get_cmd} ${fdt_addr} ${fdt_file}; then bootm ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootm; else echo WARN: Cannot load the DT; fi; fi; else bootm; fi;
script=boot/boot.scr
uimage=boot/uImage

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configs/wandboard_defconfig Normal file
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BR2_arm=y
BR2_cortex_a9=y
BR2_KERNEL_HEADERS_3_0=y
BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
BR2_TARGET_UBOOT=y
BR2_TARGET_UBOOT_BOARDNAME="wandboard_dl"
BR2_TARGET_UBOOT_CUSTOM_GIT=y
BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL="git://git.denx.de/u-boot-imx.git"
BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION="326ea986ac150acdc7656d57fca647db80b50158"
BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.imx"
BR2_TARGET_UBOOT_ENVIMAGE=y
BR2_TARGET_UBOOT_ENVIMAGE_SOURCE="board/wandboard/uboot-env.txt"
BR2_TARGET_UBOOT_ENVIMAGE_SIZE="0x2000"
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_GIT=y
BR2_LINUX_KERNEL_CUSTOM_GIT_REPO_URL="git://repo.or.cz/wandboard.git"
BR2_LINUX_KERNEL_CUSTOM_GIT_VERSION="86429847b5152f040f190015faedcac49b243328"
BR2_LINUX_KERNEL_DEFCONFIG="wandboard"
BR2_LINUX_KERNEL_INSTALL_TARGET=y