2 * Copyright (C) 2005, 2011 Freescale Semiconductor, Inc.
4 * Author: Shlomi Gridish <gridish@freescale.com>
6 * Description: UCC ethernet driver -- PHY handling
8 * Based on 8260_io/fcc_enet.c
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
19 #define MII_end ((u32)-2)
20 #define MII_read ((u32)-1)
22 #define MIIMIND_BUSY 0x00000001
23 #define MIIMIND_NOTVALID 0x00000004
25 #define UGETH_AN_TIMEOUT 2000
27 /* Cicada Extended Control Register 1 */
28 #define MII_CIS8201_EXT_CON1 0x17
29 #define MII_CIS8201_EXTCON1_INIT 0x0000
31 /* Cicada Interrupt Mask Register */
32 #define MII_CIS8201_IMASK 0x19
33 #define MII_CIS8201_IMASK_IEN 0x8000
34 #define MII_CIS8201_IMASK_SPEED 0x4000
35 #define MII_CIS8201_IMASK_LINK 0x2000
36 #define MII_CIS8201_IMASK_DUPLEX 0x1000
37 #define MII_CIS8201_IMASK_MASK 0xf000
39 /* Cicada Interrupt Status Register */
40 #define MII_CIS8201_ISTAT 0x1a
41 #define MII_CIS8201_ISTAT_STATUS 0x8000
42 #define MII_CIS8201_ISTAT_SPEED 0x4000
43 #define MII_CIS8201_ISTAT_LINK 0x2000
44 #define MII_CIS8201_ISTAT_DUPLEX 0x1000
46 /* Cicada Auxiliary Control/Status Register */
47 #define MII_CIS8201_AUX_CONSTAT 0x1c
48 #define MII_CIS8201_AUXCONSTAT_INIT 0x0004
49 #define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020
50 #define MII_CIS8201_AUXCONSTAT_SPEED 0x0018
51 #define MII_CIS8201_AUXCONSTAT_GBIT 0x0010
52 #define MII_CIS8201_AUXCONSTAT_100 0x0008
54 /* 88E1011 PHY Status Register */
55 #define MII_M1011_PHY_SPEC_STATUS 0x11
56 #define MII_M1011_PHY_SPEC_STATUS_1000 0x8000
57 #define MII_M1011_PHY_SPEC_STATUS_100 0x4000
58 #define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000
59 #define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000
60 #define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800
61 #define MII_M1011_PHY_SPEC_STATUS_LINK 0x0400
63 #define MII_M1011_IEVENT 0x13
64 #define MII_M1011_IEVENT_CLEAR 0x0000
66 #define MII_M1011_IMASK 0x12
67 #define MII_M1011_IMASK_INIT 0x6400
68 #define MII_M1011_IMASK_CLEAR 0x0000
70 /* 88E1111 PHY Register */
71 #define MII_M1111_PHY_EXT_CR 0x14
72 #define MII_M1111_RX_DELAY 0x80
73 #define MII_M1111_TX_DELAY 0x2
74 #define MII_M1111_PHY_EXT_SR 0x1b
75 #define MII_M1111_HWCFG_MODE_MASK 0xf
76 #define MII_M1111_HWCFG_MODE_RGMII 0xb
78 #define MII_DM9161_SCR 0x10
79 #define MII_DM9161_SCR_INIT 0x0610
80 #define MII_DM9161_SCR_RMII_INIT 0x0710
82 /* DM9161 Specified Configuration and Status Register */
83 #define MII_DM9161_SCSR 0x11
84 #define MII_DM9161_SCSR_100F 0x8000
85 #define MII_DM9161_SCSR_100H 0x4000
86 #define MII_DM9161_SCSR_10F 0x2000
87 #define MII_DM9161_SCSR_10H 0x1000
89 /* DM9161 Interrupt Register */
90 #define MII_DM9161_INTR 0x15
91 #define MII_DM9161_INTR_PEND 0x8000
92 #define MII_DM9161_INTR_DPLX_MASK 0x0800
93 #define MII_DM9161_INTR_SPD_MASK 0x0400
94 #define MII_DM9161_INTR_LINK_MASK 0x0200
95 #define MII_DM9161_INTR_MASK 0x0100
96 #define MII_DM9161_INTR_DPLX_CHANGE 0x0010
97 #define MII_DM9161_INTR_SPD_CHANGE 0x0008
98 #define MII_DM9161_INTR_LINK_CHANGE 0x0004
99 #define MII_DM9161_INTR_INIT 0x0000
100 #define MII_DM9161_INTR_STOP \
101 (MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \
102 | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK)
104 /* DM9161 10BT Configuration/Status */
105 #define MII_DM9161_10BTCSR 0x12
106 #define MII_DM9161_10BTCSR_INIT 0x7800
108 #define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
109 SUPPORTED_10baseT_Full | \
110 SUPPORTED_100baseT_Half | \
111 SUPPORTED_100baseT_Full | \
112 SUPPORTED_Autoneg | \
116 #define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \
117 SUPPORTED_1000baseT_Half | \
118 SUPPORTED_1000baseT_Full)
120 #define MII_READ_COMMAND 0x00000001
122 #define MII_INTERRUPT_DISABLED 0x0
123 #define MII_INTERRUPT_ENABLED 0x1
126 #define SPEED_100 100
127 #define SPEED_1000 1000
129 /* Duplex, half or full. */
130 #define DUPLEX_HALF 0x00
131 #define DUPLEX_FULL 0x01
133 /* Indicates what features are supported by the interface. */
134 #define SUPPORTED_10baseT_Half (1 << 0)
135 #define SUPPORTED_10baseT_Full (1 << 1)
136 #define SUPPORTED_100baseT_Half (1 << 2)
137 #define SUPPORTED_100baseT_Full (1 << 3)
138 #define SUPPORTED_1000baseT_Half (1 << 4)
139 #define SUPPORTED_1000baseT_Full (1 << 5)
140 #define SUPPORTED_Autoneg (1 << 6)
141 #define SUPPORTED_TP (1 << 7)
142 #define SUPPORTED_AUI (1 << 8)
143 #define SUPPORTED_MII (1 << 9)
144 #define SUPPORTED_FIBRE (1 << 10)
145 #define SUPPORTED_BNC (1 << 11)
146 #define SUPPORTED_10000baseT_Full (1 << 12)
148 #define ADVERTISED_10baseT_Half (1 << 0)
149 #define ADVERTISED_10baseT_Full (1 << 1)
150 #define ADVERTISED_100baseT_Half (1 << 2)
151 #define ADVERTISED_100baseT_Full (1 << 3)
152 #define ADVERTISED_1000baseT_Half (1 << 4)
153 #define ADVERTISED_1000baseT_Full (1 << 5)
154 #define ADVERTISED_Autoneg (1 << 6)
155 #define ADVERTISED_TP (1 << 7)
156 #define ADVERTISED_AUI (1 << 8)
157 #define ADVERTISED_MII (1 << 9)
158 #define ADVERTISED_FIBRE (1 << 10)
159 #define ADVERTISED_BNC (1 << 11)
160 #define ADVERTISED_10000baseT_Full (1 << 12)
162 /* Taken from mii_if_info and sungem_phy.h */
163 struct uec_mii_info {
164 /* Information about the PHY type */
165 /* And management functions */
166 struct phy_info *phyinfo;
168 struct eth_device *dev;
170 /* forced speed & duplex (no autoneg)
171 * partner speed & duplex & pause (autoneg)
177 /* The most recently read link state */
180 /* Enabled Interrupts */
187 /* private data pointer */
188 /* For use by PHYs to maintain extra state */
191 /* Provided by ethernet driver */
192 int (*mdio_read) (struct eth_device * dev, int mii_id, int reg);
193 void (*mdio_write) (struct eth_device * dev, int mii_id, int reg,
197 /* struct phy_info: a structure which defines attributes for a PHY
199 * id will contain a number which represents the PHY. During
200 * startup, the driver will poll the PHY to find out what its
201 * UID--as defined by registers 2 and 3--is. The 32-bit result
202 * gotten from the PHY will be ANDed with phy_id_mask to
203 * discard any bits which may change based on revision numbers
204 * unimportant to functionality
206 * There are 6 commands which take a ugeth_mii_info structure.
207 * Each PHY must declare config_aneg, and read_status.
212 unsigned int phy_id_mask;
215 /* Called to initialize the PHY */
216 int (*init) (struct uec_mii_info * mii_info);
218 /* Called to suspend the PHY for power */
219 int (*suspend) (struct uec_mii_info * mii_info);
221 /* Reconfigures autonegotiation (or disables it) */
222 int (*config_aneg) (struct uec_mii_info * mii_info);
224 /* Determines the negotiated speed and duplex */
225 int (*read_status) (struct uec_mii_info * mii_info);
227 /* Clears any pending interrupts */
228 int (*ack_interrupt) (struct uec_mii_info * mii_info);
230 /* Enables or disables interrupts */
231 int (*config_intr) (struct uec_mii_info * mii_info);
233 /* Clears up any memory if needed */
234 void (*close) (struct uec_mii_info * mii_info);
237 struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info);
238 void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum,
240 int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum);
241 void mii_clear_phy_interrupt (struct uec_mii_info *mii_info);
242 void mii_configure_phy_interrupt (struct uec_mii_info *mii_info,
244 #endif /* __UEC_PHY_H__ */