Ian Zagorskih <ianzag@megasignal.com> wrote:

> Also MMCR registers hold usefull info too. I have several Elan SC520 based
> boards so if you'r gonna try it i can run tests.

Try this one:

Index: gatea20.c
===================================================================
RCS file: /cvsroot/src/sys/arch/i386/stand/lib/gatea20.c,v
retrieving revision 1.5
diff -U2 -r1.5 gatea20.c
--- gatea20.c   12 Aug 2002 14:27:34 -0000      1.5
+++ gatea20.c   20 Jun 2005 19:10:41 -0000
@@ -40,9 +40,11 @@
        if (
 #ifdef SUPPORT_PS2
-           biosmca_ps2model == 0xf82 ||
+           (biosmca_ps2model == 0xf82) ||
 #endif
-           /* XXX How to check for AMD Elan SC520? */
-           0) {
-               outb(0x92, 0x2);
+           (inb(K_STATUS) == 0xff && inb(K_STATUS) == 0xff)) {
+               int data;
+
+               data = inb(0x92);
+               outb(0x92, data | 0x2);
        } else {
                while (inb(K_STATUS) & K_IBUF_FUL);

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu@netbsd.org