Quoting Carl-Daniel Hailfinger <[EMAIL PROTECTED]>: > On 18.02.2008 03:25, Peter Stuge wrote: >> On Sun, Feb 17, 2008 at 09:15:55PM -0500, [EMAIL PROTECTED] wrote: >> >>>> It can't be probed easily, but perhaps reverse engineered with a >>>> bit of effort. >>>> >>> You mean just probing the GPIO pins with a meter to find out which >>> ones are asserted? >>> >> >> Right. >> >> >>> There has got to be something easier than that? >>> >> >> Sometimes it's the only option. :( >> > > You two are possibly misunderstanding each other. Joe wants to simply > dump the register contents (probably to make sure they match between > coreboot and proprietary BIOS). Peter suggests ways to find out where > each GPIO is connected to. Right? > Yup. The datasheet does give register definitions for the 64-byte I/O space. Specifically I need to know if GPIO 24, 25, 27, or 28 are asserted. > >>> Like dumping the I/O space?? But how?? >>> >> >> Even if you manage to find these registers it seems the documentation >> you've got still doesn't say anything about how to interpret the >> data. That's a problem without an easy solution. :\ >> > > OK, now that may be a problem, but since Joe already knows the iobase > for these registers, he is probably primarily interested in dumping them > for comparison. > Yes. > > Regards, > Carl-Daniel >
Thanks - Joe -- coreboot mailing list [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
