Certain u-boot + uImage combination can enable the GPIO.
the u-boot generated from OpenEmbedded has the USB disabled from a cold reboot. A good u-boot is in my ~/kernel/uBoot/git. That u-boot.bin is generated by the method I mention on my other blog.
The ~/kernel/uBoot/git works fine with USB (cold), GPIO, and USER button.
The good uImage has not been found yet.
The original defconfig DOES work. The defconfig_reset_clock works as well. Just make sure your connection are alright.
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