HOW TO - install linux on emmc without etcher or USB adapter
TOP TIP: For those of us stupid enough to corrupt the emmc just enough so it loads a kernel but wont load the rootfs!!
(e.g. install a 4.18 kernel Blush )

The 2 pin jumper next to the emmc module (unlabelled - and between emmc & SPI chip) seems to control whether the emmc is used for booting.

With a good SDcard in to boot and the "corrupt" emmc obviously a standard boot loads the kernel from the emmc and then failed to load the rootfs.

However, by jumpering the 2 pins, powering on, and removing the jumper AFTER the green power LED came on AND BEFORE the white sytem LED came on I got a complete boot from the SDcard and also a kernel initialisation of the emmc card so I could see it as a device  (and repeat my step 6 above).

PS - this obviously worked for me but comes with no warranty other than if you break it you own both parts!
  • ROCKPro64 v2.1 2GB, 16Gb eMMC for rootfs, SX8200Pro 512GB NVMe for /home, HDMI video & sound, Bluetooth keyboard & mouse. Arch (6.2 kernel, Openbox desktop) for general purpose daily PC.
  • PinePhone Pro Explorer Edition, daily driver, rk2aw & U-boot on SPI, Arch/SXMO & Arch/phosh on eMMC
  • PinePhone BraveHeart now v1.2b 3/32Gb, Tow-boot with Arch/SXMO on eMMC

Messages In This Thread
RE: HOW TO - install linux on emmc without etcher or USB adapter - by dukla2000 - 07-31-2018, 04:29 AM

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