hw/net: add MII definitions

This adds comments on the Basic mode control and status registers bit
definitions. It also adds a couple of bits for 1000BASE-T and the
RealTek 8211E PHY for the FTGMAC100 model to use.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 53 insertions, 18 deletions

diff --git a/include/hw/net/mii.h b/include/hw/net/mii.h
index 9fdd7bbe75..6ce48a6d78 100644
--- a/include/hw/net/mii.h
+++ b/include/hw/net/mii.h
@@ -22,13 +22,20 @@
 #define MII_H
 
 /* PHY registers */
-#define MII_BMCR            0
-#define MII_BMSR            1
-#define MII_PHYID1          2
-#define MII_PHYID2          3
-#define MII_ANAR            4
-#define MII_ANLPAR          5
-#define MII_ANER            6
+#define MII_BMCR            0  /* Basic mode control register */
+#define MII_BMSR            1  /* Basic mode status register */
+#define MII_PHYID1          2  /* ID register 1 */
+#define MII_PHYID2          3  /* ID register 2 */
+#define MII_ANAR            4  /* Autonegotiation advertisement */
+#define MII_ANLPAR          5  /* Autonegotiation lnk partner abilities */
+#define MII_ANER            6  /* Autonegotiation expansion */
+#define MII_ANNP            7  /* Autonegotiation next page */
+#define MII_ANLPRNP         8  /* Autonegotiation link partner rx next page */
+#define MII_CTRL1000        9  /* 1000BASE-T control */
+#define MII_STAT1000        10 /* 1000BASE-T status */
+#define MII_MDDACR          13 /* MMD access control */
+#define MII_MDDAADR         14 /* MMD access address data */
+#define MII_EXTSTAT         15 /* Extended Status */
 #define MII_NSR             16
 #define MII_LBREMR          17
 #define MII_REC             18
@@ -38,19 +45,33 @@
 /* PHY registers fields */
 #define MII_BMCR_RESET      (1 << 15)
 #define MII_BMCR_LOOPBACK   (1 << 14)
-#define MII_BMCR_SPEED      (1 << 13)
-#define MII_BMCR_AUTOEN     (1 << 12)
-#define MII_BMCR_FD         (1 << 8)
+#define MII_BMCR_SPEED100   (1 << 13)  /* LSB of Speed (100) */
+#define MII_BMCR_SPEED      MII_BMCR_SPEED100
+#define MII_BMCR_AUTOEN     (1 << 12) /* Autonegotiation enable */
+#define MII_BMCR_PDOWN      (1 << 11) /* Enable low power state */
+#define MII_BMCR_ISOLATE    (1 << 10) /* Isolate data paths from MII */
+#define MII_BMCR_ANRESTART  (1 << 9)  /* Auto negotiation restart */
+#define MII_BMCR_FD         (1 << 8)  /* Set duplex mode */
+#define MII_BMCR_CTST       (1 << 7)  /* Collision test */
+#define MII_BMCR_SPEED1000  (1 << 6)  /* MSB of Speed (1000) */
 
-#define MII_BMSR_100TX_FD   (1 << 14)
-#define MII_BMSR_100TX_HD   (1 << 13)
-#define MII_BMSR_10T_FD     (1 << 12)
-#define MII_BMSR_10T_HD     (1 << 11)
-#define MII_BMSR_MFPS       (1 << 6)
-#define MII_BMSR_AN_COMP    (1 << 5)
-#define MII_BMSR_AUTONEG    (1 << 3)
-#define MII_BMSR_LINK_ST    (1 << 2)
+#define MII_BMSR_100TX_FD   (1 << 14) /* Can do 100mbps, full-duplex */
+#define MII_BMSR_100TX_HD   (1 << 13) /* Can do 100mbps, half-duplex */
+#define MII_BMSR_10T_FD     (1 << 12) /* Can do 10mbps, full-duplex */
+#define MII_BMSR_10T_HD     (1 << 11) /* Can do 10mbps, half-duplex */
+#define MII_BMSR_100T2_FD   (1 << 10) /* Can do 100mbps T2, full-duplex */
+#define MII_BMSR_100T2_HD   (1 << 9)  /* Can do 100mbps T2, half-duplex */
+#define MII_BMSR_EXTSTAT    (1 << 8)  /* Extended status in register 15 */
+#define MII_BMSR_MFPS       (1 << 6)  /* MII Frame Preamble Suppression */
+#define MII_BMSR_AN_COMP    (1 << 5)  /* Auto-negotiation complete */
+#define MII_BMSR_RFAULT     (1 << 4)  /* Remote fault */
+#define MII_BMSR_AUTONEG    (1 << 3)  /* Able to do auto-negotiation */
+#define MII_BMSR_LINK_ST    (1 << 2)  /* Link status */
+#define MII_BMSR_JABBER     (1 << 1)  /* Jabber detected */
+#define MII_BMSR_EXTCAP     (1 << 0)  /* Ext-reg capability */
 
+#define MII_ANAR_PAUSE_ASYM (1 << 11) /* Try for asymetric pause */
+#define MII_ANAR_PAUSE      (1 << 10) /* Try for pause */
 #define MII_ANAR_TXFD       (1 << 8)
 #define MII_ANAR_TX         (1 << 7)
 #define MII_ANAR_10FD       (1 << 6)
@@ -58,17 +79,31 @@
 #define MII_ANAR_CSMACD     (1 << 0)
 
 #define MII_ANLPAR_ACK      (1 << 14)
+#define MII_ANLPAR_PAUSEASY (1 << 11) /* can pause asymmetrically */
+#define MII_ANLPAR_PAUSE    (1 << 10) /* can pause */
 #define MII_ANLPAR_TXFD     (1 << 8)
 #define MII_ANLPAR_TX       (1 << 7)
 #define MII_ANLPAR_10FD     (1 << 6)
 #define MII_ANLPAR_10       (1 << 5)
 #define MII_ANLPAR_CSMACD   (1 << 0)
 
+#define MII_ANER_NWAY       (1 << 0) /* Can do N-way auto-nego */
+
+#define MII_CTRL1000_FULL   (1 << 9)  /* 1000BASE-T full duplex */
+#define MII_CTRL1000_HALF   (1 << 8)  /* 1000BASE-T half duplex */
+
+#define MII_STAT1000_FULL   (1 << 11) /* 1000BASE-T full duplex */
+#define MII_STAT1000_HALF   (1 << 10) /* 1000BASE-T half duplex */
+
 /* List of vendor identifiers */
 /* RealTek 8201 */
 #define RTL8201CP_PHYID1    0x0000
 #define RTL8201CP_PHYID2    0x8201
 
+/* RealTek 8211E */
+#define RTL8211E_PHYID1     0x001c
+#define RTL8211E_PHYID2     0xc915
+
 /* National Semiconductor DP83848 */
 #define DP83848_PHYID1      0x2000
 #define DP83848_PHYID2      0x5c90