Toradex Apalis iMX6

http://git.toradex.com/cgit/u-boot-toradex.git/tree/include/configs/apalis_imx6.h?h=2015.04-toradex-next#n225

#define MEM_LAYOUT_ENV_SETTINGS \
    "fdt_addr_r=0x12000000\0" \
    "fdt_high=0xffffffff\0" \
    "initrd_high=0xffffffff\0" \
    "kernel_addr_r=0x11000000\0" \
    "ramdisk_addr_r=0x12100000\0"

#define NFS_BOOTCMD \
        "nfsargs=ip=:::::eth0:on root=/dev/nfs rw\0" \
        "nfsboot=run setup; " \
                "setenv bootargs ${defargs} ${nfsargs} ${setupargs} " \
                "${vidargs}; echo Booting via DHCP/TFTP/NFS...; " \
                "run nfsdtbload; dhcp ${kernel_addr_r} " \
                "&& run fdt_fixup && bootm ${kernel_addr_r} ${dtbparam}\0" \
                "nfsdtbload=setenv dtbparam; tftp ${fdt_addr_r} ${fdt_file} " \
                "&& setenv dtbparam \" - ${fdt_addr_r}\" && true\0"

#define SD_BOOTCMD
        "sdargs=ip=off root=/dev/mmcblk1p2 rw,noatime rootfstype=ext3 " \
                "rootwait\0" \
        "sdboot=run setup; " \
                "setenv bootargs ${defargs} ${sdargs} ${setupargs} " \
                "${vidargs}; echo Booting from SD card in 8-bit slot...; " \
                "run sddtbload; load mmc 1:1 ${kernel_addr_r} " \
                "${boot_file} && run fdt_fixup && " \
                "bootm ${kernel_addr_r} ${dtbparam}\0" \
                "sddtbload=setenv dtbparam; load mmc 1:1 ${fdt_addr_r} " \
                "${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"

#define USB_BOOTCMD \
        "usbargs=ip=off root=/dev/sda2 rw,noatime rootfstype=ext3 " \
                "rootwait\0" \
        "usbboot=run setup; setenv bootargs ${defargs} ${setupargs} " \
                "${usbargs} ${vidargs}; echo Booting from USB stick...; " \
                "usb start && run usbdtbload; load usb 0:1 ${kernel_addr_r} " \
                "${boot_file} && run fdt_fixup && " \
                "bootm ${kernel_addr_r} ${dtbparam}\0" \
                "usbdtbload=setenv dtbparam; load usb 0:1 ${fdt_addr_r} " \
                "${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"

Make sure to use the default environment using env default -a. With that SD card, and the default environment, it should work just by using run sdboot.