Add support for the Am79C978. (AMD PCHome/PCI Ethernet adapter)

See: http://www.amd.com/products/npd/overview/homenetworking/intro.html

PR: kern/12275
Submitted by: Robert Watson <robert@cyrus.watson.org>

3 files changed, 22 insertions, 2 deletions

diff --git a/sys/i386/isa/ic/Am7990.h b/sys/i386/isa/ic/Am7990.h
index fe146ee..82efff9 100644
--- a/sys/i386/isa/ic/Am7990.h
+++ b/sys/i386/isa/ic/Am7990.h
@@ -24,6 +24,11 @@
 #define CSR88	88
 #define CSR89	89
 
+#define BCR49	49
+#define BCR32	32
+#define BCR33	33
+#define BCR34	34
+
 
 /* Control and Status Register Masks */
 
diff --git a/sys/i386/isa/if_lnc.c b/sys/i386/isa/if_lnc.c
index 5fc82330..d035311 100644
--- a/sys/i386/isa/if_lnc.c
+++ b/sys/i386/isa/if_lnc.c
@@ -30,7 +30,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: if_lnc.c,v 1.60 1999/05/09 23:24:47 peter Exp $
+ * $Id: if_lnc.c,v 1.61 1999/07/06 19:22:50 des Exp $
  */
 
 /*
@@ -151,6 +151,7 @@ static char const * const ic_ident[] = {
 	"PCnet-PCI II",
 	"PCnet-FAST",
 	"PCnet-FAST+",
+	"PCnet-Home",
 };
 
 static void lnc_setladrf __P((struct lnc_softc *sc));
@@ -1192,6 +1193,8 @@ pcnet_probe(struct lnc_softc *sc)
 				return (PCnet_FAST);
 			case Am79C972:
 				return (PCnet_FASTplus);
+			case Am79C978:
+				return (PCnet_Home);
 			default:
 				break;
 			}
@@ -1491,6 +1494,15 @@ lnc_init(struct lnc_softc *sc)
 
 	/* Give the LANCE the physical address of the initialisation block */
 
+	if (sc->nic.ic == PCnet_Home) {
+		u_short	media;
+		/* Set PHY_SEL to HomeRun */
+		media = read_bcr(sc, BCR49);
+		media &= ~3;
+		media |= 1;
+		write_bcr(sc, BCR49, media);
+	}
+
 	write_csr(sc, CSR1, kvtop(sc->init_block));
 	write_csr(sc, CSR2, (kvtop(sc->init_block) >> 16) & 0xff);
 
diff --git a/sys/i386/isa/if_lnc.h b/sys/i386/isa/if_lnc.h
index b2fc532..aeff426 100644
--- a/sys/i386/isa/if_lnc.h
+++ b/sys/i386/isa/if_lnc.h
@@ -30,7 +30,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: if_lnc.h,v 1.10 1999/01/31 00:56:32 paul Exp $
+ * $Id: if_lnc.h,v 1.11 1999/07/06 19:22:51 des Exp $
  */
 
 #include <i386/isa/ic/Am7990.h>
@@ -107,6 +107,8 @@
 #define PCnet_PCI_II    8        /* Am79C970A */
 #define PCnet_FAST      9        /* Am79C971 */
 #define PCnet_FASTplus  10       /* Am79C972 */
+#define PCnet_Home	11	 /* Am79C978 */
+
 
 /* CSR88-89: Chip ID masks */
 #define AMD_MASK  0x003
@@ -119,6 +121,7 @@
 #define Am79C970A 0x2621
 #define Am79C971  0x2623
 #define Am79C972  0x2624
+#define Am79C978  0x2626
 
 /* Board types */
 #define UNKNOWN         0