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- Technologic Systems TS-7680 SBC
- ===============================
- This document explains how to set up a basic Buildroot system for
- the Technologic Systems TS-7680 Single Board Computer.
- The TS-7680 SBC is based on the Freescale i.MX286 ARM ARM926EJ-S
- running at 454MHz. The TS-7680 features are 10/100 Ethernet ports,
- Wi-Fi, microSD card, eMMC, NOR Flash, USB host port, CAN ports,
- relays and ADC/DAC. More details on the board here:
- https://wiki.embeddedarm.com/wiki/TS-7680
- The TS-7680 uses a 3.14.28 Linux kernel provided by
- Technologic Systems.
- To build the default configuration you only have to run:
- $ make ts7680_defconfig
- $ make
- The output looks like:
- output/images
- ├── imx28-ts7680.dtb
- ├── rootfs.ext2
- ├── rootfs.ext4 -> rootfs.ext2
- ├── rootfs.tar
- ├── sdcard.img
- └── uImage
- The provided genimage configuration generates an image file containing
- two partitions. The first one is unused, but mandatory as the
- TS-7680 built-in bootloader loads the Linux uImage from the /boot
- directory in the second partition. The second partition contains the
- rootfs with the Linux uImage into the /boot directory.
- $ fdisk output/images/sdcard.img
- output/images/sdcard.img1 1 1 1 512B 0 Empty
- output/images/sdcard.img2 2 524289 524288 256M 83 Linux
- This image can be directly written to an SD card.
- $ sudo dd if=output/images/sdcard.img of=/dev/mmcblk0
- To boot with Buildroot, insert this SD card on the board, make sure
- the SD jumper is present and the U-Boot jumper is not.
- The bootloader comes pre-flashed on the board on an SPI flash. Since
- updating the bootloader is risky and not trivial, it is not included
- in the Buildroot defconfig. Refer to
- https://wiki.embeddedarm.com/wiki/TS-7680#U-Boot for details on
- which U-Boot config to use and how to flash it.
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