Kyösti Mälkki has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/30891 )
Change subject: console: Change BOOTBLOCK_CONSOLE default to `y`
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Patch Set 2:
BTW, usbdebug had been confirmed working again? I thought most people can't find the EHCI debug cable as that company maybe already gone, so you guys test with what kind of cable for console over USB cable?
For five years usbdebug has been the first choice of debug method coreboot developers have with laptops. Most of us use Beaglebone Black, which appears as compatible to NET20DC and works with linux kernel usbdebug too. Same with Raspberry PI Zero W. Any ARM SoCs with USB2.0 OTG port in device mode should do, some require kernel patching.
FTx232H USB-UART work with coreboot and grub, but not with OS kernels.
There is also 100% Net20DC compatible DIY version, if one requires MS kernel debugger compatibility.
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