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Wolfgang Denk645da512005-10-05 02:00:09 +02001/*
2 * Broadcom BCM5221 Ethernet PHY
3 *
4 * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de>
5 * Anders Larsen <alarsen@rea.de>
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
Wolfgang Denk53677ef2008-05-20 16:00:29 +020026#define BCM5221_BMCR 0 /* Basic Mode Control Register */
Wolfgang Denk645da512005-10-05 02:00:09 +020027#define BCM5221_BMSR 1 /* Basic Mode Status Register */
28#define BCM5221_PHYID1 2 /* PHY Identifier Register 1 */
29#define BCM5221_PHYID2 3 /* PHY Identifier Register 2 */
30#define BCM5221_ANAR 4 /* Auto-negotiation Advertisement Register */
31#define BCM5221_ANLPAR 5 /* Auto-negotiation Link Partner Ability Register */
32#define BCM5221_ANER 6 /* Auto-negotiation Expansion Register */
33#define BCM5221_ACSR 24 /* Auxiliary Control/Status Register */
34#define BCM5221_INTR 26 /* Interrupt Register */
35
36/* --Bit definitions: BCM5221_BMCR */
37#define BCM5221_RESET (1 << 15) /* 1= Software Reset; 0=Normal Operation */
38#define BCM5221_LOOPBACK (1 << 14) /* 1=loopback Enabled; 0=Normal Operation */
39#define BCM5221_SPEED_SELECT (1 << 13) /* 1=100Mbps; 0=10Mbps */
40#define BCM5221_AUTONEG (1 << 12)
41#define BCM5221_POWER_DOWN (1 << 11)
42#define BCM5221_ISOLATE (1 << 10)
43#define BCM5221_RESTART_AUTONEG (1 << 9)
44#define BCM5221_DUPLEX_MODE (1 << 8)
45#define BCM5221_COLLISION_TEST (1 << 7)
46
47/*--Bit definitions: BCM5221_BMSR */
48#define BCM5221_100BASE_T4 (1 << 15)
49#define BCM5221_100BASE_TX_FD (1 << 14)
50#define BCM5221_100BASE_TX_HD (1 << 13)
51#define BCM5221_10BASE_T_FD (1 << 12)
52#define BCM5221_10BASE_T_HD (1 << 11)
53#define BCM5221_MF_PREAMB_SUPPR (1 << 6)
54#define BCM5221_AUTONEG_COMP (1 << 5)
55#define BCM5221_REMOTE_FAULT (1 << 4)
56#define BCM5221_AUTONEG_ABILITY (1 << 3)
57#define BCM5221_LINK_STATUS (1 << 2)
58#define BCM5221_JABBER_DETECT (1 << 1)
59#define BCM5221_EXTEND_CAPAB (1 << 0)
60
61/*--definitions: BCM5221_PHYID1 */
62#define BCM5221_PHYID1_OUI 0x1018
63#define BCM5221_LSB_MASK 0x3F
64
65/*--Bit definitions: BCM5221_ANAR, BCM5221_ANLPAR */
66#define BCM5221_NP (1 << 15)
67#define BCM5221_ACK (1 << 14)
68#define BCM5221_RF (1 << 13)
69#define BCM5221_FCS (1 << 10)
70#define BCM5221_T4 (1 << 9)
71#define BCM5221_TX_FDX (1 << 8)
72#define BCM5221_TX_HDX (1 << 7)
73#define BCM5221_10_FDX (1 << 6)
74#define BCM5221_10_HDX (1 << 5)
75#define BCM5221_AN_IEEE_802_3 0x0001
76
77/*--Bit definitions: BCM5221_ANER */
78#define BCM5221_PDF (1 << 4)
79#define BCM5221_LP_NP_ABLE (1 << 3)
80#define BCM5221_NP_ABLE (1 << 2)
81#define BCM5221_PAGE_RX (1 << 1)
82#define BCM5221_LP_AN_ABLE (1 << 0)
83
84/*--Bit definitions: BCM5221_ACSR */
85#define BCM5221_100 (1 << 1)
86#define BCM5221_FDX (1 << 0)
87
88/*--Bit definitions: BCM5221_INTR */
89#define BCM5221_FDX_LED (1 << 15)
90#define BCM5221_INTR_ENABLE (1 << 14)
91#define BCM5221_FDX_MASK (1 << 11)
92#define BCM5221_SPD_MASK (1 << 10)
93#define BCM5221_LINK_MASK (1 << 9)
94#define BCM5221_INTR_MASK (1 << 8)
95#define BCM5221_FDX_CHG (1 << 3)
96#define BCM5221_SPD_CHG (1 << 2)
97#define BCM5221_LINK_CHG (1 << 1)
98#define BCM5221_INTR_STATUS (1 << 0)
99
100/****************** function prototypes **********************/
101unsigned int bcm5221_IsPhyConnected(AT91PS_EMAC p_mac);
102unsigned char bcm5221_GetLinkSpeed(AT91PS_EMAC p_mac);
103unsigned char bcm5221_AutoNegotiate(AT91PS_EMAC p_mac, int *status);
104unsigned char bcm5221_InitPhy(AT91PS_EMAC p_mac);