Jeremy, The DME1737 is compatible to the SCH311X -> http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf ...juerg On 4/8/07, Jeremy Jackson <jerj at coplanar.net> wrote: > Hi, > > Given the NDA nature it's tricky trying to support the watchdog and > serial port for LinuxBIOS. I think I can fly blind using parts of > publicly available datasheets, but it would save me time if I knew the > Logical Device #'s of the various superio modules, ie index 7 values > needed to address parport, serial 1/2, fdc, etc. config registers. > > Any chance someone can hint at what these might be, or a publicly > available datasheet that's closest: > > http://www.smsc.com/main/datasheet.html > > Ok so they all have serial port as Logical Device 4, so I've summarized > what the watchdog uses below. > > ISA bus types - Config index/data registers at 0x3F0 or 0x370 > > watchdog uses configuration space of logical device > > FDC37b727 Logical Device 8 - Aux I/O 0xF1 - 0xF4 watchdog * > FDC37b78x Logical Device 8 - Aux I/O 0xF1 - 0xF4 watchdog * > FDC37c665GT very different - no logical devices > FDC37c669 very different - no logical devices > FDC37c672 Logical Device 8 - Aux I/O 0xF1 - 0xF4 watchdog * no > WDT_TIME_OUT register > FDC37c78 FDC only > FDC37c93x Logical Device 8 - Aux I/O 0xF2 - 0xF4 watchdog * > FDC37M707 Logical Device 8 - Aux I/O 0xF1 - 0xF4 watchdog * > FDC37m817 Logical Device 8 - Aux I/O 0xF1 - 0xF4 watchdog * > FDC37n769 very different - no logical devices > > * can be configured to allow access to some watchdog registers while in > run mode > > LPC bus types - index/address registers 0x2e/0x2f or 0x4e/0x4f > > watchdog uses offset from decoded address set by logical device Primary > Base Address > > LPC47b272 Logical Device A - Runtime reg offset 0x52 - 0x55 watchdog > LPC47m10x no WDT > LPC47m112 no WDT > LPC47m172 no WDT > LPC47S45x Logical Device A - Runtime reg offset 0x52 - 0x55 watchdog > > I'm leaning towards DME1737 being the same as these LPC parts. > > -- > Jeremy Jackson > jerj at coplanar.net Email/Jabber/Google Talk/MSN > (519)489-4903 > Coplanar Networks > http://www.coplanar.net > >
