Add support for Cogent csb637
Patch by Anders Larsen, 29 Apr 2005
diff --git a/include/bcm5221.h b/include/bcm5221.h
new file mode 100644
index 0000000..6fb94aa
--- /dev/null
+++ b/include/bcm5221.h
@@ -0,0 +1,104 @@
+/*
+ * Broadcom BCM5221 Ethernet PHY
+ *
+ * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de>
+ * Anders Larsen <alarsen@rea.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define BCM5221_BMCR 0 /* Basic Mode Control Register */
+#define BCM5221_BMSR 1 /* Basic Mode Status Register */
+#define BCM5221_PHYID1 2 /* PHY Identifier Register 1 */
+#define BCM5221_PHYID2 3 /* PHY Identifier Register 2 */
+#define BCM5221_ANAR 4 /* Auto-negotiation Advertisement Register */
+#define BCM5221_ANLPAR 5 /* Auto-negotiation Link Partner Ability Register */
+#define BCM5221_ANER 6 /* Auto-negotiation Expansion Register */
+#define BCM5221_ACSR 24 /* Auxiliary Control/Status Register */
+#define BCM5221_INTR 26 /* Interrupt Register */
+
+/* --Bit definitions: BCM5221_BMCR */
+#define BCM5221_RESET (1 << 15) /* 1= Software Reset; 0=Normal Operation */
+#define BCM5221_LOOPBACK (1 << 14) /* 1=loopback Enabled; 0=Normal Operation */
+#define BCM5221_SPEED_SELECT (1 << 13) /* 1=100Mbps; 0=10Mbps */
+#define BCM5221_AUTONEG (1 << 12)
+#define BCM5221_POWER_DOWN (1 << 11)
+#define BCM5221_ISOLATE (1 << 10)
+#define BCM5221_RESTART_AUTONEG (1 << 9)
+#define BCM5221_DUPLEX_MODE (1 << 8)
+#define BCM5221_COLLISION_TEST (1 << 7)
+
+/*--Bit definitions: BCM5221_BMSR */
+#define BCM5221_100BASE_T4 (1 << 15)
+#define BCM5221_100BASE_TX_FD (1 << 14)
+#define BCM5221_100BASE_TX_HD (1 << 13)
+#define BCM5221_10BASE_T_FD (1 << 12)
+#define BCM5221_10BASE_T_HD (1 << 11)
+#define BCM5221_MF_PREAMB_SUPPR (1 << 6)
+#define BCM5221_AUTONEG_COMP (1 << 5)
+#define BCM5221_REMOTE_FAULT (1 << 4)
+#define BCM5221_AUTONEG_ABILITY (1 << 3)
+#define BCM5221_LINK_STATUS (1 << 2)
+#define BCM5221_JABBER_DETECT (1 << 1)
+#define BCM5221_EXTEND_CAPAB (1 << 0)
+
+/*--definitions: BCM5221_PHYID1 */
+#define BCM5221_PHYID1_OUI 0x1018
+#define BCM5221_LSB_MASK 0x3F
+
+/*--Bit definitions: BCM5221_ANAR, BCM5221_ANLPAR */
+#define BCM5221_NP (1 << 15)
+#define BCM5221_ACK (1 << 14)
+#define BCM5221_RF (1 << 13)
+#define BCM5221_FCS (1 << 10)
+#define BCM5221_T4 (1 << 9)
+#define BCM5221_TX_FDX (1 << 8)
+#define BCM5221_TX_HDX (1 << 7)
+#define BCM5221_10_FDX (1 << 6)
+#define BCM5221_10_HDX (1 << 5)
+#define BCM5221_AN_IEEE_802_3 0x0001
+
+/*--Bit definitions: BCM5221_ANER */
+#define BCM5221_PDF (1 << 4)
+#define BCM5221_LP_NP_ABLE (1 << 3)
+#define BCM5221_NP_ABLE (1 << 2)
+#define BCM5221_PAGE_RX (1 << 1)
+#define BCM5221_LP_AN_ABLE (1 << 0)
+
+/*--Bit definitions: BCM5221_ACSR */
+#define BCM5221_100 (1 << 1)
+#define BCM5221_FDX (1 << 0)
+
+/*--Bit definitions: BCM5221_INTR */
+#define BCM5221_FDX_LED (1 << 15)
+#define BCM5221_INTR_ENABLE (1 << 14)
+#define BCM5221_FDX_MASK (1 << 11)
+#define BCM5221_SPD_MASK (1 << 10)
+#define BCM5221_LINK_MASK (1 << 9)
+#define BCM5221_INTR_MASK (1 << 8)
+#define BCM5221_FDX_CHG (1 << 3)
+#define BCM5221_SPD_CHG (1 << 2)
+#define BCM5221_LINK_CHG (1 << 1)
+#define BCM5221_INTR_STATUS (1 << 0)
+
+/****************** function prototypes **********************/
+unsigned int bcm5221_IsPhyConnected(AT91PS_EMAC p_mac);
+unsigned char bcm5221_GetLinkSpeed(AT91PS_EMAC p_mac);
+unsigned char bcm5221_AutoNegotiate(AT91PS_EMAC p_mac, int *status);
+unsigned char bcm5221_InitPhy(AT91PS_EMAC p_mac);