On Wed, Aug 29, 2007 at 05:02:11PM +0200, Carl-Daniel Hailfinger wrote: > On 29.08.2007 16:47, Uwe Hermann wrote: > > On Tue, Aug 28, 2007 at 08:17:45PM +0200, Carl-Daniel Hailfinger wrote: > >> Think of all the MCP55 boards. RAM works. North- and southbridge are > >> supported. The "little things" are what keep us from supporting them > >> completely. A generic MCP55 port which loads the payload (additional > >> board init etc.) over serial can be the ideal starting point. > > > > Why? I don't really see a use for this. If someone is able to run such > > a payload, build LinuxBIOS, test patches etc. it's not much additional > > work to just add proper support for the board in the first place. > > No need for such a "test-payload", I think. > > The "you can always reflash the old BIOS" feeling gives confidence to > porters who might not have a replacement chip handy.
Ah, that thing. I think I misread the whole thread. Anyway, this would require a working flashrom-like implementation as payload (which in itself is a very cool thing and Someone Should Do It(tm)). > > Can you elaborate? Where is the MAC address stored? On which boards? > > I doubt that all boards out there do this. What happens if you download > > a BIOS image from $VENDOR website? Does the flasher contain special code > > to deal with the MAC address? > > The MAC address is stored in flash for almost all CK804/MCP55 boards. > All of these boards flashed with LB probably have the same MAC address. > See src/southbridge/nvidia/ck804/romstrap.inc and > src/southbridge/nvidia/mcp55/romstrap.inc for details. On some of these > boards, the MAC address is stored in a separate EEPROM, but you can't > count on that. Hm, good candidate for the wiki FAQ and for the flashrom README then. Can you create a patch for this? Thanks, Uwe. -- http://www.hermann-uwe.de | http://www.holsham-traders.de http://www.crazy-hacks.org | http://www.unmaintained-free-software.org
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