Google Fiber Jack v2 (GFLT110)

Google Fiber Jack Optical Network Terminal (ONT)
 * Support page

Serial Port Info
© ©  ©  ®  ®  ® GND TX RX -  -  -
 * Location: unused 6 pin header in middle of CPU PCB.
 * Pintout: From RAM-side of PCB, pins read:
 * Special Magic:
 * Normally, Linux won't support a local getty / console.
 * So, in u-boot, use this to boot:

if test "kernel1" = "${ACTIVATED_KERNEL_NAME}"; then setenv image_address 0xf80000; setenv bootargs "${bootargs} root=rootfs1 debug=1"; else setenv bootargs "${bootargs} root=rootfs0 debug=1"; fi; sf read ${loadaddr} ${image_address} 0xE00000; bootm
 * Baud: 115200
 * Account: root:google
 * Account: prism:google