On Thu, Aug 20, 2009 at 02:06:07PM +0200, Stefan Reinauer wrote: > Harrison, Jon (SELEX GALILEO, UK) schrieb: >> I'm now trying to decide whether I fancy my chances of adding CBFS >> support to FILO or USB keyboard to SeaBIOS more !!! >> > USB keyboard support for SeaBIOS will require that you emulate a > standard PS/2 keyboard (io 0x60/0x62) interface in system management > mode (SMM), passing the commands on to a USB stack (There is one in > libpayload which should probably be used. It's the stack that is used in > FILO for USB keyboard support, too). Right now there is only a SMM > handler for i945/i82801gx, and it has no USB keyboard legacy emulation, > but it can show you quite well what needs to be done to implement an SMM > handler for a coreboot platform.
I believe it is possible to add USB keyboard support to SeaBIOS without requiring SMM mode. I believe a regular usb keyboard driver will work fine. > > CBFS support in FILO (or libpayload, for that matter) is definitely the > quicker approach. Very true. -Kevin -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
