Linux on ARMWhen I cover system-on-modules (SoM), companies will usually provide some BSP (Board Support Packages) for older kernels, and did not submit their changes to mailine kernel, so I was interested in a news from Emtrion entitled “DIMM-AM335x: Linux mainline support ready“, which actually means they’ve done the work to support a recent Linux kernel (3.14) and provides instructions and code (device tree files), but did not submit patches to the linux-arm-kernel mailing list to get their changes added to kernel.org.

Let’s look at the hardware specs first:

  • SoC – Texas Instruments Sitara AM335x ARM Cortex A8 processor @ 720Mhz to 1GHz (AM3354 or AM3359)
  • System Memory – onboard 512 MB SDRAM/optional 256 MB
  • Storage – 512 MB NAND Flash (managed) + 2 SD card interfaces
  • Display – LCDs I/F with resolution up to SVGA, with 4-wire touch interface
  • Audio – Analog Audio with SSI I/F
  • USB – USB 2.0 Host and Device
  • Connectivity – 100BaseTX Ethernet
  • Other I/Os:

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Linux on ARM