4 * @author Intel Corporation
7 * @brief MII Header file
13 * IXP400 SW Release version 2.0
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55 /* MII definitions - these have been verified against the LXT971 and
58 #define IX_ETH_MII_MAX_REG_NUM 0x20 /* max number of registers */
60 #define IX_ETH_MII_CTRL_REG 0x0 /* Control Register */
61 #define IX_ETH_MII_STAT_REG 0x1 /* Status Register */
62 #define IX_ETH_MII_PHY_ID1_REG 0x2 /* PHY identifier 1 Register */
63 #define IX_ETH_MII_PHY_ID2_REG 0x3 /* PHY identifier 2 Register */
64 #define IX_ETH_MII_AN_ADS_REG 0x4 /* Auto-Negotiation */
65 /* Advertisement Register */
66 #define IX_ETH_MII_AN_PRTN_REG 0x5 /* Auto-Negotiation */
67 /* partner ability Register */
68 #define IX_ETH_MII_AN_EXP_REG 0x6 /* Auto-Negotiation */
69 /* Expansion Register */
70 #define IX_ETH_MII_AN_NEXT_REG 0x7 /* Auto-Negotiation */
71 /* next-page transmit Register */
73 #define IX_ETH_MII_STAT2_REG 0x11 /* Status Register 2*/
76 /* MII control register bit */
78 #define IX_ETH_MII_CR_COLL_TEST 0x0080 /* collision test */
79 #define IX_ETH_MII_CR_FDX 0x0100 /* FDX =1, half duplex =0 */
80 #define IX_ETH_MII_CR_RESTART 0x0200 /* restart auto negotiation */
81 #define IX_ETH_MII_CR_ISOLATE 0x0400 /* isolate PHY from MII */
82 #define IX_ETH_MII_CR_POWER_DOWN 0x0800 /* power down */
83 #define IX_ETH_MII_CR_AUTO_EN 0x1000 /* auto-negotiation enable */
84 #define IX_ETH_MII_CR_100 0x2000 /* 0 = 10mb, 1 = 100mb */
85 #define IX_ETH_MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
86 #define IX_ETH_MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
87 #define IX_ETH_MII_CR_NORM_EN 0x0000 /* just enable the PHY */
88 #define IX_ETH_MII_CR_DEF_0_MASK 0xca7f /* they must return zero */
89 #define IX_ETH_MII_CR_RES_MASK 0x007f /* reserved bits, return zero */
91 /* MII Status register bit definitions */
93 #define IX_ETH_MII_SR_LINK_STATUS 0x0004 /* link Status -- 1 = link */
94 #define IX_ETH_MII_SR_AUTO_SEL 0x0008 /* auto speed select capable */
95 #define IX_ETH_MII_SR_REMOTE_FAULT 0x0010 /* Remote fault detect */
96 #define IX_ETH_MII_SR_AUTO_NEG 0x0020 /* auto negotiation complete */
97 #define IX_ETH_MII_SR_10T_HALF_DPX 0x0800 /* 10BaseT HD capable */
98 #define IX_ETH_MII_SR_10T_FULL_DPX 0x1000 /* 10BaseT FD capable */
99 #define IX_ETH_MII_SR_TX_HALF_DPX 0x2000 /* TX HD capable */
100 #define IX_ETH_MII_SR_TX_FULL_DPX 0x4000 /* TX FD capable */
101 #define IX_ETH_MII_SR_T4 0x8000 /* T4 capable */
102 #define IX_ETH_MII_SR_ABIL_MASK 0xff80 /* abilities mask */
103 #define IX_ETH_MII_SR_EXT_CAP 0x0001 /* extended capabilities */
106 /* LXT971/2 Status 2 register bit definitions */
107 #define IX_ETH_MII_SR2_100 0x4000
108 #define IX_ETH_MII_SR2_TX 0x2000
109 #define IX_ETH_MII_SR2_RX 0x1000
110 #define IX_ETH_MII_SR2_COL 0x0800
111 #define IX_ETH_MII_SR2_LINK 0x0400
112 #define IX_ETH_MII_SR2_FD 0x0200
113 #define IX_ETH_MII_SR2_AUTO 0x0100
114 #define IX_ETH_MII_SR2_AUTO_CMPLT 0x0080
115 #define IX_ETH_MII_SR2_POLARITY 0x0020
116 #define IX_ETH_MII_SR2_PAUSE 0x0010
117 #define IX_ETH_MII_SR2_ERROR 0x0008
119 /* MII Link Code word bit definitions */
121 #define IX_ETH_MII_BP_FAULT 0x2000 /* remote fault */
122 #define IX_ETH_MII_BP_ACK 0x4000 /* acknowledge */
123 #define IX_ETH_MII_BP_NP 0x8000 /* nexp page is supported */
125 /* MII Next Page bit definitions */
127 #define IX_ETH_MII_NP_TOGGLE 0x0800 /* toggle bit */
128 #define IX_ETH_MII_NP_ACK2 0x1000 /* acknowledge two */
129 #define IX_ETH_MII_NP_MSG 0x2000 /* message page */
130 #define IX_ETH_MII_NP_ACK1 0x4000 /* acknowledge one */
131 #define IX_ETH_MII_NP_NP 0x8000 /* nexp page will follow */
133 /* MII Expansion Register bit definitions */
135 #define IX_ETH_MII_EXP_FAULT 0x0010 /* parallel detection fault */
136 #define IX_ETH_MII_EXP_PRTN_NP 0x0008 /* link partner next-page able */
137 #define IX_ETH_MII_EXP_LOC_NP 0x0004 /* local PHY next-page able */
138 #define IX_ETH_MII_EXP_PR 0x0002 /* full page received */
139 #define IX_ETH_MII_EXP_PRT_AN 0x0001 /* link partner auto neg able */
141 /* technology ability field bit definitions */
143 #define IX_ETH_MII_TECH_10BASE_T 0x0020 /* 10Base-T */
144 #define IX_ETH_MII_TECH_10BASE_FD 0x0040 /* 10Base-T Full Duplex */
145 #define IX_ETH_MII_TECH_100BASE_TX 0x0080 /* 100Base-TX */
146 #define IX_ETH_MII_TECH_100BASE_TX_FD 0x0100 /* 100Base-TX Full Duplex */
148 #define IX_ETH_MII_TECH_100BASE_T4 0x0200 /* 100Base-T4 */
149 #define IX_ETH_MII_ADS_TECH_MASK 0x1fe0 /* technology abilities mask */
150 #define IX_ETH_MII_TECH_MASK IX_ETH_MII_ADS_TECH_MASK
151 #define IX_ETH_MII_ADS_SEL_MASK 0x001f /* selector field mask */
153 #define IX_ETH_MII_AN_FAIL 0x10 /* auto-negotiation fail */
154 #define IX_ETH_MII_STAT_FAIL 0x20 /* errors in the status register */
155 #define IX_ETH_MII_PHY_NO_ABLE 0x40 /* the PHY lacks some abilities */
157 /* Definitions for MII access routines*/
159 #define IX_ETH_MII_GO BIT(31)
160 #define IX_ETH_MII_WRITE BIT(26)
161 #define IX_ETH_MII_TIMEOUT_10TH_SECS (5)
162 #define IX_ETH_MII_10TH_SEC_IN_MILLIS (100)
163 #define IX_ETH_MII_READ_FAIL BIT(31)
165 /* When we reset the PHY we delay for 2 seconds to allow the reset to
167 #define IX_ETH_MII_RESET_DELAY_MS (2000)
168 #define IX_ETH_MII_RESET_POLL_MS (50)
170 #define IX_ETH_MII_REG_SHL 16
171 #define IX_ETH_MII_ADDR_SHL 21
174 #define IX_ETH_MII_LXT971_PHY_ID 0x001378E0
175 #define IX_ETH_MII_LXT972_PHY_ID 0x001378E2
176 #define IX_ETH_MII_LXT973_PHY_ID 0x00137A10
177 #define IX_ETH_MII_LXT973A3_PHY_ID 0x00137A11
178 #define IX_ETH_MII_KS8995_PHY_ID 0x00221450
179 #define IX_ETH_MII_LXT9785_PHY_ID 0x001378FF
182 #define IX_ETH_MII_INVALID_PHY_ID 0x00000000
183 #define IX_ETH_MII_UNKNOWN_PHY_ID 0xffffffff
185 #endif /*IxEthAccMii_p_H*/