[src/trunk]: src/sys/dev/cardbus Add support for the Xircom X3201-3 in 21143 ...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/054eae22f253
branches:  trunk
changeset: 481300:054eae22f253
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Tue Jan 25 21:50:30 2000 +0000

description:
Add support for the Xircom X3201-3 in 21143 emulation mode.  This chip
appears on some Xircom and Intel RealPort(tm) cards.

>From Rafal Boni, with some slight modifications from me.

diffstat:

 sys/dev/cardbus/if_tlp_cardbus.c |  96 ++++++++++++++++++++++++++++-----------
 1 files changed, 68 insertions(+), 28 deletions(-)

diffs (170 lines):

diff -r cfea700c5015 -r 054eae22f253 sys/dev/cardbus/if_tlp_cardbus.c
--- a/sys/dev/cardbus/if_tlp_cardbus.c  Tue Jan 25 21:41:18 2000 +0000
+++ b/sys/dev/cardbus/if_tlp_cardbus.c  Tue Jan 25 21:50:30 2000 +0000
@@ -1,7 +1,7 @@
-/*     $NetBSD: if_tlp_cardbus.c,v 1.9 2000/01/25 19:29:19 thorpej Exp $       */
+/*     $NetBSD: if_tlp_cardbus.c,v 1.10 2000/01/25 21:50:30 thorpej Exp $      */
 
 /*-
- * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
@@ -44,7 +44,6 @@
  * TODO:
  *
  *     - power management
- *     - add support for the Xircom clone
  */
 
 #include "opt_inet.h"
@@ -138,10 +137,15 @@
        { PCI_VENDOR_DEC,               PCI_PRODUCT_DEC_21142,
          TULIP_CHIP_21142,             0xe0 },
 
+       { PCI_VENDOR_XIRCOM,            PCI_PRODUCT_XIRCOM_X3201_3_21143,
+         TULIP_CHIP_X3201_3,           0xe0 },
+
        { 0,                            0,
          TULIP_CHIP_INVALID,           0 },
 };
 
+void   tlp_cardbus_x3201_reset __P((struct tulip_softc *));
+
 const struct tulip_cardbus_product *tlp_cardbus_lookup
     __P((const struct cardbus_attach_args *));
 
@@ -210,6 +214,13 @@
        sc->sc_regshift = 3;
 
        /*
+        * Some chips have a 128 byte SROM (6 address bits), and some
+        * have a 512 byte SROM (8 address bits).  Default to 6; we'll
+        * adjust below.
+        */
+       sc->sc_srom_addrbits = 6;
+
+       /*
         * Get revision info, and set some chip-specific variables.
         */
        sc->sc_rev = PCI_REVISION(ca->ca_class);
@@ -217,6 +228,12 @@
        case TULIP_CHIP_21142:
                if (sc->sc_rev >= 0x20)
                        sc->sc_chip = TULIP_CHIP_21143;
+               if (sc->sc_rev >= 0x41) {
+                       /*
+                        * 21143 rev. 4.1 has a larger SROM.
+                        */
+                       sc->sc_srom_addrbits = 8;
+               }
                break;
 
        default:
@@ -234,6 +251,7 @@
        switch (sc->sc_chip) {
        case TULIP_CHIP_21142:
        case TULIP_CHIP_21143:
+       case TULIP_CHIP_X3201_3:
                /*
                 * Clear the "sleep mode" bit in the CFDA register.
                 */
@@ -315,28 +333,34 @@
        }
 
        /*
-        * Read the contents of the Ethernet Address ROM/SROM.  Some
-        * chips have a 128 byte SROM (6 address bits), and some
-        * have a 512 byte SROM (8 address bits).
+        * Read the contents of the Ethernet Address ROM/SROM.
         */
-       sc->sc_srom_addrbits = 6;
- try_again:
        memset(sc->sc_srom, 0, sizeof(sc->sc_srom));
-       tlp_read_srom(sc, 0, TULIP_ROM_SIZE(sc->sc_srom_addrbits) >> 1,
-           sc->sc_srom);
+       switch (sc->sc_chip) {
+       case TULIP_CHIP_X3201_3:
+               /*
+                * No SROM on this chip.
+                */
+               break;
+
+       default:
+               tlp_read_srom(sc, 0, TULIP_ROM_SIZE(sc->sc_srom_addrbits) >> 1,
+                   sc->sc_srom);
 #if 0
-       {
-               int i;
+               {
+                       int i;
 
-               printf("SROM CONTENTS:");
-               for (i = 0; i < TULIP_ROM_SIZE(sc->sc_srom_addrbits); i++) {
-                       if ((i % 8) == 0)
-                               printf("\n\t");
-                       printf("0x%02x ", sc->sc_srom[i]);
+                       printf("SROM CONTENTS:");
+                       for (i = 0; i <
+                           TULIP_ROM_SIZE(sc->sc_srom_addrbits); i++) {
+                               if ((i % 8) == 0)
+                                       printf("\n\t");
+                               printf("0x%02x ", sc->sc_srom[i]);
+                       }
+                       printf("\n");
                }
-               printf("\n");
+#endif
        }
-#endif
 
        /*
         * Deal with chip/board quirks.  This includes setting up
@@ -368,17 +392,19 @@
                        goto cant_cope;
                break;
 
+       case TULIP_CHIP_X3201_3:
+               /*
+                * The X3201 doens't have an SROM.  Lift the MAC address
+                * from the CIS.  Also, we have a special media switch:
+                * MII-on-SIO, plus some special GPIO setup.
+                */
+               memcpy(enaddr, ca->ca_cis.funce.network.netid, sizeof(enaddr));
+               sc->sc_reset = tlp_cardbus_x3201_reset;
+               sc->sc_mediasw = &tlp_sio_mii_mediasw;
+               break;
+
        default:
  cant_cope:
-               /*
-                * Try reading it again, with larger SROM
-                * size, if we haven't already.
-                */
-               if (sc->sc_srom_addrbits != 8) {
-                       sc->sc_srom_addrbits = 8;
-                       goto try_again;
-               }
-
                printf("%s: sorry, unable to handle your board\n",
                    sc->sc_dev.dv_xname);
                return;
@@ -402,3 +428,17 @@
         */
        tlp_attach(sc, enaddr);
 }
+
+void
+tlp_cardbus_x3201_reset(sc)
+       struct tulip_softc *sc;
+{
+       u_int32_t reg;
+
+       reg = TULIP_READ(sc, CSR_SIAGEN);
+
+       /* make GP[2,0] outputs */
+       TULIP_WRITE(sc, CSR_SIAGEN, (reg & ~SIAGEN_MD) | SIAGEN_CWE |
+           0x00050000);
+       TULIP_WRITE(sc, CSR_SIAGEN, (reg & ~SIAGEN_CWE) | SIAGEN_MD);
+}