1 /*
2 * Copyright (C) 2013 Ganbold Tsagaankhuu <ganbold@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/10.2/sys/arm/allwinner/if_emacreg.h 266337 2014-05-17 18:53:36Z ian $
27 */
28
29 #ifndef __IF_EMACREG_H__
30 #define __IF_EMACREG_H__
31
32 /*
33 * EMAC register definitions
34 */
35 #define EMAC_CTL 0x00
36 #define EMAC_CTL_RST (1 << 0)
37 #define EMAC_CTL_TX_EN (1 << 1)
38 #define EMAC_CTL_RX_EN (1 << 2)
39
40 #define EMAC_TX_MODE 0x04
41 #define EMAC_TX_FLOW 0x08
42 #define EMAC_TX_CTL0 0x0C
43 #define EMAC_TX_CTL1 0x10
44 #define EMAC_TX_INS 0x14
45 #define EMAC_TX_PL0 0x18
46 #define EMAC_TX_PL1 0x1C
47 #define EMAC_TX_STA 0x20
48 #define EMAC_TX_IO_DATA 0x24
49 #define EMAC_TX_IO_DATA1 0x28
50 #define EMAC_TX_TSVL0 0x2C
51 #define EMAC_TX_TSVH0 0x30
52 #define EMAC_TX_TSVL1 0x34
53 #define EMAC_TX_TSVH1 0x38
54
55 #define EMAC_RX_CTL 0x3C
56 #define EMAC_RX_HASH0 0x40
57 #define EMAC_RX_HASH1 0x44
58 #define EMAC_RX_STA 0x48
59 #define EMAC_RX_IO_DATA 0x4C
60 #define EMAC_RX_FBC 0x50
61
62 #define EMAC_INT_CTL 0x54
63 #define EMAC_INT_STA 0x58
64 #define EMAC_INT_STA_TX (0x01 | 0x02)
65 #define EMAC_INT_STA_RX 0x100
66 #define EMAC_INT_EN (0xf << 0) | (1 << 8)
67
68 #define EMAC_MAC_CTL0 0x5C
69 #define EMAC_MAC_CTL1 0x60
70 #define EMAC_MAC_IPGT 0x64
71 #define EMAC_MAC_IPGR 0x68
72 #define EMAC_MAC_CLRT 0x6C
73 #define EMAC_MAC_MAXF 0x70
74 #define EMAC_MAC_SUPP 0x74
75 #define EMAC_MAC_TEST 0x78
76 #define EMAC_MAC_MCFG 0x7C
77 #define EMAC_MAC_MCMD 0x80
78 #define EMAC_MAC_MADR 0x84
79 #define EMAC_MAC_MWTD 0x88
80 #define EMAC_MAC_MRDD 0x8C
81 #define EMAC_MAC_MIND 0x90
82 #define EMAC_MAC_SSRR 0x94
83 #define EMAC_MAC_A0 0x98
84 #define EMAC_MAC_A1 0x9C
85 #define EMAC_MAC_A2 0xA0
86
87 #define EMAC_SAFX_L0 0xA4
88 #define EMAC_SAFX_H0 0xA8
89 #define EMAC_SAFX_L1 0xAC
90 #define EMAC_SAFX_H1 0xB0
91 #define EMAC_SAFX_L2 0xB4
92 #define EMAC_SAFX_H2 0xB8
93 #define EMAC_SAFX_L3 0xBC
94 #define EMAC_SAFX_H3 0xC0
95
96 #define EMAC_PHY_DUPLEX (1 << 8)
97
98 /*
99 * Each received packet has 8 bytes header:
100 * Byte 0: Packet valid flag: 0x01 valid, 0x00 not valid
101 * Byte 1: 0x43 -> Ascii code 'C'
102 * Byte 2: 0x41 -> Ascii code 'A'
103 * Byte 3: 0x4d -> Ascii code 'M'
104 * Byte 4: High byte of received packet's status
105 * Byte 5: Low byte of received packet's status
106 * Byte 6: High byte of packet size
107 * Byte 7: Low byte of packet size
108 */
109 #define EMAC_PACKET_HEADER (0x0143414d)
110
111 /* Aborted frame enable */
112 #define EMAC_TX_AB_M (1 << 0)
113
114 /* 0: Enable CPU mode for TX, 1: DMA */
115 #define EMAC_TX_TM ~(1 << 1)
116
117 /* 0: DRQ asserted, 1: DRQ automatically */
118 #define EMAC_RX_DRQ_MODE (1 << 1)
119
120 /* 0: Enable CPU mode for RX, 1: DMA */
121 #define EMAC_RX_TM ~(1 << 2)
122
123 /* Pass all Frames */
124 #define EMAC_RX_PA (1 << 4)
125
126 /* Pass Control Frames */
127 #define EMAC_RX_PCF (1 << 5)
128
129 /* Pass Frames with CRC Error */
130 #define EMAC_RX_PCRCE (1 << 6)
131
132 /* Pass Frames with Length Error */
133 #define EMAC_RX_PLE (1 << 7)
134
135 /* Pass Frames length out of range */
136 #define EMAC_RX_POR (1 << 8)
137
138 /* Accept unicast Packets */
139 #define EMAC_RX_UCAD (1 << 16)
140
141 /* Enable DA Filtering */
142 #define EMAC_RX_DAF (1 << 17)
143
144 /* Accept multicast Packets */
145 #define EMAC_RX_MCO (1 << 20)
146
147 /* Enable Hash filter */
148 #define EMAC_RX_MHF (1 << 21)
149
150 /* Accept Broadcast Packets */
151 #define EMAC_RX_BCO (1 << 22)
152
153 /* Enable SA Filtering */
154 #define EMAC_RX_SAF (1 << 24)
155
156 /* Inverse Filtering */
157 #define EMAC_RX_SAIF (1 << 25)
158
159 #define EMAC_RX_SETUP (EMAC_RX_POR | EMAC_RX_UCAD | \
160 EMAC_RX_DAF | EMAC_RX_MCO | EMAC_RX_BCO)
161
162 /* Enable Receive Flow Control */
163 #define EMAC_MAC_CTL0_RFC (1 << 2)
164
165 /* Enable Transmit Flow Control */
166 #define EMAC_MAC_CTL0_TFC (1 << 3)
167
168 /* Enable soft reset */
169 #define EMAC_MAC_CTL0_SOFT_RST (1 << 15)
170
171 #define EMAC_MAC_CTL0_SETUP (EMAC_MAC_CTL0_RFC | EMAC_MAC_CTL0_TFC)
172
173 /* Enable duplex */
174 #define EMAC_MAC_CTL1_DUP (1 << 0)
175
176 /* Enable MAC Frame Length Checking */
177 #define EMAC_MAC_CTL1_FLC (1 << 1)
178
179 /* Enable Huge Frame */
180 #define EMAC_MAC_CTL1_HF (1 << 2)
181
182 /* Enable MAC Delayed CRC */
183 #define EMAC_MAC_CTL1_DCRC (1 << 3)
184
185 /* Enable MAC CRC */
186 #define EMAC_MAC_CTL1_CRC (1 << 4)
187
188 /* Enable MAC PAD Short frames */
189 #define EMAC_MAC_CTL1_PC (1 << 5)
190
191 /* Enable MAC PAD Short frames and append CRC */
192 #define EMAC_MAC_CTL1_VC (1 << 6)
193
194 /* Enable MAC auto detect Short frames */
195 #define EMAC_MAC_CTL1_ADP (1 << 7)
196
197 #define EMAC_MAC_CTL1_PRE (1 << 8)
198 #define EMAC_MAC_CTL1_LPE (1 << 9)
199
200 /* Enable no back off */
201 #define EMAC_MAC_CTL1_NB (1 << 12)
202
203 #define EMAC_MAC_CTL1_BNB (1 << 13)
204 #define EMAC_MAC_CTL1_ED (1 << 14)
205
206 #define EMAC_MAC_CTL1_SETUP (EMAC_MAC_CTL1_FLC | EMAC_MAC_CTL1_CRC | \
207 EMAC_MAC_CTL1_PC)
208
209 /* half duplex */
210 #define EMAC_MAC_IPGT_HD 0x12
211
212 /* full duplex */
213 #define EMAC_MAC_IPGT_FD 0x15
214
215 #define EMAC_MAC_NBTB_IPG1 0xC
216 #define EMAC_MAC_NBTB_IPG2 0x12
217
218 #define EMAC_MAC_CW 0x37
219 #define EMAC_MAC_RM 0xF
220
221 #define EMAC_MAC_MFL 0x0600
222
223 /* Receive status */
224 #define EMAC_CRCERR (1 << 4)
225 #define EMAC_LENERR (3 << 5)
226
227 #define EMAC_RX_FLUSH_FIFO (1 << 3)
228 #define EMAC_PHY_RESET (1 << 15)
229 #define EMAC_PHY_PWRDOWN (1 << 11)
230
231 #define EMAC_PROC_MIN 16
232 #define EMAC_PROC_MAX 255
233 #define EMAC_PROC_DEFAULT 64
234
235 #define EMAC_LOCK(cs) mtx_lock(&(sc)->emac_mtx)
236 #define EMAC_UNLOCK(cs) mtx_unlock(&(sc)->emac_mtx)
237 #define EMAC_ASSERT_LOCKED(sc) mtx_assert(&(sc)->emac_mtx, MA_OWNED);
238
239 #endif /* __IF_EMACREG_H__ */
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