board: add support for the i.MX6 Wandboard platform
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>
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Minimal board support for the Wandboard
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Wandboard's homepage is here: http://www.wandboard.org/
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This config is only tested with the dual core wandboard.
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Installing:
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You need a micro SD card and a slot/adapter for your development machine.
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Partition the SD card leaving at least 1 MB in front of the first partition.
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Partition layout (example):
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Disk /dev/sdi: 3965 MB, 3965190144 bytes
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255 heads, 63 sectors/track, 482 cylinders
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Units = cylinders of 16065 * 512 = 8225280 bytes
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Sector size (logical/physical): 512 bytes / 512 bytes
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I/O size (minimum/optimal): 512 bytes / 512 bytes
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Disk identifier: 0x77b47445
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Device Boot Start End Blocks Id System
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/dev/sdi1 2 482 3863632+ 83 Linux
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Copy u-boot and its environment to the SD card:
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sudo dd if=output/images/u-boot.imx bs=512 seek=2 of=/dev/sd<x>
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sudo dd if=output/images/uboot-env.bin bs=512 seek=768 of=/dev/sd<x>
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Copy the root filesystem:
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sudo dd if=output/images/rootfs.ext2 of=/dev/sd<x>1
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Alternative commands to copy root filesystem:
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sudo mkfs.ext4 /dev/sd<x>1
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sudo mount /dev/sd<x>1 /mnt
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sudo tar xf output/images/rootfs.tar -C /mnt
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sudo umount /mnt
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baudrate=115200
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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
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bootdelay=3
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bootscript=echo Running bootscript from mmc ...; source
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console=ttymxc0
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ethact=FEC
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ethaddr=00:1f:7b:b2:05:ee
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ethprime=FEC
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loadaddr=0x12000000
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loadbootscript=ext2load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};
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loaduimage=ext2load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}
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mmcargs=setenv bootargs console=${console},${baudrate} root=${mmcroot}
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mmcboot=echo Booting from mmc ...; run mmcargs; bootm;
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mmcdev=0
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mmcpart=1
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mmcroot=/dev/mmcblk0p1 rootwait rw
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netargs=setenv bootargs console=${console},${baudrate} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp
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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;
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script=boot/boot.scr
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uimage=boot/uImage
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BR2_arm=y
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BR2_cortex_a9=y
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BR2_KERNEL_HEADERS_3_0=y
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BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
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BR2_TARGET_ROOTFS_EXT2=y
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BR2_TARGET_ROOTFS_EXT2_4=y
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BR2_TARGET_UBOOT=y
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BR2_TARGET_UBOOT_BOARDNAME="wandboard_dl"
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BR2_TARGET_UBOOT_CUSTOM_GIT=y
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BR2_TARGET_UBOOT_CUSTOM_GIT_REPO_URL="git://git.denx.de/u-boot-imx.git"
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BR2_TARGET_UBOOT_CUSTOM_GIT_VERSION="326ea986ac150acdc7656d57fca647db80b50158"
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BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
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BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.imx"
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BR2_TARGET_UBOOT_ENVIMAGE=y
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BR2_TARGET_UBOOT_ENVIMAGE_SOURCE="board/wandboard/uboot-env.txt"
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BR2_TARGET_UBOOT_ENVIMAGE_SIZE="0x2000"
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BR2_LINUX_KERNEL=y
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BR2_LINUX_KERNEL_CUSTOM_GIT=y
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BR2_LINUX_KERNEL_CUSTOM_GIT_REPO_URL="git://repo.or.cz/wandboard.git"
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BR2_LINUX_KERNEL_CUSTOM_GIT_VERSION="86429847b5152f040f190015faedcac49b243328"
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BR2_LINUX_KERNEL_DEFCONFIG="wandboard"
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BR2_LINUX_KERNEL_INSTALL_TARGET=y
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