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the address of a channel on a SCC, it returns 0 on failure. [1] - Hardcode channel 1 for the keyboard on Z8530, the information present in the Open Firmware device tree doesn't allow to determine this via uart_cpu_channel(). This makes the keyboard (if one backs out rev. 1.5 of sys/dev/puc/puc_sbus.c and has both keyboard and mouse plugged in to avoid the hang that revision works around) and consequently syscons(4) on Ultra 2 work. There's a problem with the keyboard LEDs similar to the one on Ultra 60 (LEDs don't get lit under X) though, instead of lighting just a specific single one all get lit and can't be turned off again. [1] - Add comments about what uart_cpu_channel() and uart_cpu_getdev_keyboard() do and their constraints. - Improve the comments about what uart_cpu_getdev_[console,dbgport]() do, they don't return an address (as in bus) but an Open Firmware package handle. Reviewed by: marcel (modulo the comments) [1]
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