Add some general support info for gigabit phys

Fix some comments
Remove some dead code
From NetBSD

1 files changed, 45 insertions, 6 deletions

diff --git a/sys/dev/mii/mii.h b/sys/dev/mii/mii.h
index ead15f2bc5d..f8abe567722 100644
--- a/sys/dev/mii/mii.h
+++ b/sys/dev/mii/mii.h
@@ -1,5 +1,5 @@
-/*	$OpenBSD: mii.h,v 1.2 2000/08/26 20:04:17 nate Exp $	*/
-/*	$NetBSD: mii.h,v 1.2 1999/09/29 22:49:33 thorpej Exp $	*/
+/*	$OpenBSD: mii.h,v 1.3 2001/06/08 02:16:41 nate Exp $	*/
+/*	$NetBSD: mii.h,v 1.6 2001/04/30 19:49:08 thorpej Exp $	*/
  
 /*
  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
@@ -54,13 +54,20 @@
 #define	MII_BMCR	0x00 	/* Basic mode control register (rw) */
 #define	BMCR_RESET	0x8000	/* reset */
 #define	BMCR_LOOP	0x4000	/* loopback */
-#define	BMCR_S100	0x2000	/* speed (10/100) select */
+#define	BMCR_SPEED0	0x2000	/* speed selection (LSB) */
 #define	BMCR_AUTOEN	0x1000	/* autonegotiation enable */
 #define	BMCR_PDOWN	0x0800	/* power down */
 #define	BMCR_ISO	0x0400	/* isolate */
 #define	BMCR_STARTNEG	0x0200	/* restart autonegotiation */
 #define	BMCR_FDX	0x0100	/* Set duplex mode */
 #define	BMCR_CTEST	0x0080	/* collision test */
+#define	BMCR_SPEED1	0x0040	/* speed selection (MSB) */
+
+#define	BMCR_S10	0x0000		/* 10 Mb/s */
+#define	BMCR_S100	BMCR_SPEED0	/* 100 Mb/s */
+#define	BMCR_S1000	BMCR_SPEED1	/* 1000 Mb/s */
+
+#define	BMCR_SPEED(x)   ((x) & (BMCR_SPEED0|BMCR_SPEED1))
 
 #define	MII_BMSR	0x01	/* Basic mode status register (ro) */
 #define	BMSR_100T4	0x8000	/* 100 base T4 capable */
@@ -69,15 +76,25 @@
 #define	BMSR_10TFDX	0x1000	/* 10 base T full duplex capable */
 #define	BMSR_10THDX	0x0800	/* 10 base T half duplex capable */
 #define	BMSR_MFPS	0x0040	/* MII Frame Preamble Suppression */
+#define	BMSR_100T2FDX	0x0400	/* 100 base T2 full duplex capable */
+#define	BMSR_100T2HDX	0x0200	/* 100 base T2 half duplex capable */
+#define	BMSR_EXTSTAT	0x0100	/* Extended status in register 15 */
+#define	BMSR_MFPS	0x0040	/* MII Frame Preamble Suppression */
 #define	BMSR_ACOMP	0x0020	/* Autonegotiation complete */
 #define	BMSR_RFAULT	0x0010	/* Link partner fault */
 #define	BMSR_ANEG	0x0008	/* Autonegotiation capable */
 #define	BMSR_LINK	0x0004	/* Link status */
 #define	BMSR_JABBER	0x0002	/* Jabber detected */
-#define	BMSR_EXT	0x0001	/* Extended capability */
+#define	BMSR_EXTCAP	0x0001	/* Extended capability */
 
-#define	BMSR_MEDIAMASK	(BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX|BMSR_10TFDX| \
-			 BMSR_10THDX|BMSR_ANEG)
+ /*
+  * Note that the EXTSTAT bit indicates that there is extended status
+  * info available in register 15, but 802.3 section 22.2.4.3 also
+  * states that that all 1000 Mb/s capable PHYs will set this bit to 1.
+  */
+  
+#define	BMSR_MEDIAMASK	(BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX| \
+			 BMSR_10TFDX|BMSR_10THDX|BMSR_100T2FDX|BMSR_100T2HDX)
 
 /*
  * Convert BMSR media capabilities to ANAR bits for autonegotiation.
@@ -97,6 +114,7 @@
 #define	MII_REV(id2)		((id2) & IDR2_REV)
 
 #define	MII_ANAR	0x04	/* Autonegotiation advertisement (rw) */
+		/* section 28.2.4.1 and 37.2.6.1 */
 #define ANAR_NP		0x8000	/* Next page (ro) */
 #define	ANAR_ACK	0x4000	/* link partner abilities acknowledged (ro) */
 #define ANAR_RF		0x2000	/* remote fault (ro) */
@@ -109,6 +127,7 @@
 #define	ANAR_CSMA	0x0001	/* protocol selector CSMA/CD */
 
 #define	MII_ANLPAR	0x05	/* Autonegotiation lnk partner abilities (rw) */
+		/* section 28.2.4.1 and 37.2.6.1 */
 #define ANLPAR_NP	0x8000	/* Next page (ro) */
 #define	ANLPAR_ACK	0x4000	/* link partner accepted ACK (ro) */
 #define ANLPAR_RF	0x2000	/* remote fault (ro) */
@@ -121,10 +140,30 @@
 #define	ANLPAR_CSMA	0x0001	/* protocol selector CSMA/CD */
 
 #define	MII_ANER	0x06	/* Autonegotiation expansion (ro) */
+		/* section 28.2.4.1 and 37.2.6.1 */
 #define ANER_MLF	0x0010	/* multiple link detection fault */
 #define ANER_LPNP	0x0008	/* link parter next page-able */
 #define ANER_NP		0x0004	/* next page-able */
 #define ANER_PAGE_RX	0x0002	/* Page received */
 #define ANER_LPAN	0x0001	/* link parter autoneg-able */
 
+#define	MII_ANNP	0x07	/* Autonegotiation next page */
+		/* section 28.2.4.1 and 37.2.6.1 */
+
+#define	MII_ANLPRNP	0x08	/* Autonegotiation link partner rx next page */
+		/* section 32.5.1 and 37.2.6.1 */
+
+#define	MII_100T2CR	0x09	/* 100base-T2 control register */
+
+#define	MII_100T2SR	0x0a	/* 100base-T2 status register */
+
+#define	MII_EXTSR	0x0f	/* Extended status register */
+#define	EXTSR_1000XFDX	0x8000	/* 1000X full-duplex capable */
+#define	EXTSR_1000XHDX	0x4000	/* 1000X half-duplex capable */
+#define	EXTSR_1000TFDX	0x2000	/* 1000T full-duplex capable */
+#define	EXTSR_1000THDX	0x1000	/* 1000T half-duplex capable */
+
+#define	EXTSR_MEDIAMASK	(EXTSR_1000XFDX|EXTSR_1000XHDX| \
+			 EXTSR_1000TFDX|EXTSR_1000THDX)
+
 #endif /* _DEV_MII_MII_H_ */