[coreboot] [PATCH] current state of C7 CAR for v3
corey.osgood at gmail.com
Fri Oct 10 18:00:12 CEST 2008
On Fri, Oct 10, 2008 at 11:40 AM, ron minnich <rminnich at gmail.com> wrote:
> On Fri, Oct 10, 2008 at 12:25 AM, Corey Osgood <corey.osgood at gmail.com>
> > Sorry for the mailbox flooding, I'm slowly learning to step back and look
> > things before jumping to conclusions. Geode and i586 also have
> > defined, this didn't, that's why the jump was going to nowhere. Do those
> > defines belong in this file, somewhere else, or in Kconfig? Are the i586
> > values the same as they should be for c7?
> ROM_CODE_SEG is probably the same for all x86 but we did not want to
> assume anything.
> > I'm now getting hung up because XIP_ROM_[SIZE,BASE] isn't defined. Do we
> > still need XIP and those defines? Are the value limitations the same as
> > were in v2?
> XIP, hmm. Those are now called CONFIG_XIP_*. Although what meaning
> they have in v3 is questionable to me. I have never used it.
> Note the error in this snippet from arch/x86/i586/stage0.S
> #if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
> /* enable write base caching so we can do execute in place
> * on the flash rom.
> movl $0x202, %ecx
> xorl %edx, %edx
> movl $(XIP_ROM_BASE | MTRR_TYPE_WRBACK), %eax
> WRONG NAME!
> movl $0x203, %ecx
> movl $0x0000000f, %edx
> movl $(~(XIP_ROM_SIZE - 1) | 0x800), %eax
> #endif /* XIP_ROM_SIZE && XIP_ROM_BASE */
> I would LOVE to have the CN7 on V3 for this show:
> we always show off coreboot there. Most important is k8, but via would
> be nice too.
Once CAR's running, the rest of initram should be a breeze (and I can
actually do it up right, too!). The hardest part after that will be the dts
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