Hi Joe, Have you tried making this change? Do you have any patches? Just currious, but are you trying to set a debug port? I just started looking at the microsoft dbg2 acpi field.
https://msdn.microsoft.com/en-us/library/windows/hardware/dn639131(v=vs.85).aspx Marc On Sun, Jul 31, 2016 at 2:19 PM Nico Huber <[email protected]> wrote: > Hi, > > On 31.07.2016 17:07, Zheng Bao wrote: > > Hi, All, > > > > I want to add support MMIO UART support on OS. > > > > I checked the file pnp_uart.asl. > > > > For IO UART, a device with EisaId("PNP0501") is added into DSDT, the > windows can detect the COM port in device manager. > > > > I am wondering if MMIO UART also have that convinient feature. > in theory (I've just checked the code, never tried) the Linux driver > supports MMIO UARTs too if you give it the same entry (PNP0501) with > a memory resource instead of the io ports. > > Maybe this works in other OS' too? > > Nico > > > > > Or I need to build a driver for each OS? > > > > Thanks. > > > > > > Joe > > > -- > coreboot mailing list: [email protected] > https://www.coreboot.org/mailman/listinfo/coreboot > -- http://marcjonesconsulting.com
-- coreboot mailing list: [email protected] https://www.coreboot.org/mailman/listinfo/coreboot
