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Vipin KUMAR5b1b1882010-06-29 10:53:34 +05301/*
2 * (C) Copyright 2010
3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#ifndef _DW_ETH_H
25#define _DW_ETH_H
26
27#define CONFIG_TX_DESCR_NUM 16
28#define CONFIG_RX_DESCR_NUM 16
29#define CONFIG_ETH_BUFSIZE 2048
30#define TX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_TX_DESCR_NUM)
31#define RX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_RX_DESCR_NUM)
32
33#define CONFIG_MACRESET_TIMEOUT (3 * CONFIG_SYS_HZ)
34#define CONFIG_MDIO_TIMEOUT (3 * CONFIG_SYS_HZ)
35#define CONFIG_PHYRESET_TIMEOUT (3 * CONFIG_SYS_HZ)
36#define CONFIG_AUTONEG_TIMEOUT (5 * CONFIG_SYS_HZ)
37
38struct eth_mac_regs {
39 u32 conf; /* 0x00 */
40 u32 framefilt; /* 0x04 */
41 u32 hashtablehigh; /* 0x08 */
42 u32 hashtablelow; /* 0x0c */
43 u32 miiaddr; /* 0x10 */
44 u32 miidata; /* 0x14 */
45 u32 flowcontrol; /* 0x18 */
46 u32 vlantag; /* 0x1c */
47 u32 version; /* 0x20 */
48 u8 reserved_1[20];
49 u32 intreg; /* 0x38 */
50 u32 intmask; /* 0x3c */
51 u32 macaddr0hi; /* 0x40 */
52 u32 macaddr0lo; /* 0x44 */
53};
54
55/* MAC configuration register definitions */
56#define FRAMEBURSTENABLE (1 << 21)
57#define MII_PORTSELECT (1 << 15)
58#define FES_100 (1 << 14)
59#define DISABLERXOWN (1 << 13)
60#define FULLDPLXMODE (1 << 11)
61#define RXENABLE (1 << 2)
62#define TXENABLE (1 << 3)
63
64/* MII address register definitions */
65#define MII_BUSY (1 << 0)
66#define MII_WRITE (1 << 1)
67#define MII_CLKRANGE_60_100M (0)
68#define MII_CLKRANGE_100_150M (0x4)
69#define MII_CLKRANGE_20_35M (0x8)
70#define MII_CLKRANGE_35_60M (0xC)
71#define MII_CLKRANGE_150_250M (0x10)
72#define MII_CLKRANGE_250_300M (0x14)
73
74#define MIIADDRSHIFT (11)
75#define MIIREGSHIFT (6)
76#define MII_REGMSK (0x1F << 6)
77#define MII_ADDRMSK (0x1F << 11)
78
79
80struct eth_dma_regs {
81 u32 busmode; /* 0x00 */
82 u32 txpolldemand; /* 0x04 */
83 u32 rxpolldemand; /* 0x08 */
84 u32 rxdesclistaddr; /* 0x0c */
85 u32 txdesclistaddr; /* 0x10 */
86 u32 status; /* 0x14 */
87 u32 opmode; /* 0x18 */
88 u32 intenable; /* 0x1c */
89 u8 reserved[40];
90 u32 currhosttxdesc; /* 0x48 */
91 u32 currhostrxdesc; /* 0x4c */
92 u32 currhosttxbuffaddr; /* 0x50 */
93 u32 currhostrxbuffaddr; /* 0x54 */
94};
95
96#define DW_DMA_BASE_OFFSET (0x1000)
97
98/* Bus mode register definitions */
99#define FIXEDBURST (1 << 16)
100#define PRIORXTX_41 (3 << 14)
101#define PRIORXTX_31 (2 << 14)
102#define PRIORXTX_21 (1 << 14)
103#define PRIORXTX_11 (0 << 14)
104#define BURST_1 (1 << 8)
105#define BURST_2 (2 << 8)
106#define BURST_4 (4 << 8)
107#define BURST_8 (8 << 8)
108#define BURST_16 (16 << 8)
109#define BURST_32 (32 << 8)
110#define RXHIGHPRIO (1 << 1)
111#define DMAMAC_SRST (1 << 0)
112
113/* Poll demand definitions */
114#define POLL_DATA (0xFFFFFFFF)
115
116/* Operation mode definitions */
117#define STOREFORWARD (1 << 21)
118#define FLUSHTXFIFO (1 << 20)
119#define TXSTART (1 << 13)
120#define TXSECONDFRAME (1 << 2)
121#define RXSTART (1 << 1)
122
123/* Descriptior related definitions */
124#define MAC_MAX_FRAME_SZ (2048)
125
126struct dmamacdescr {
127 u32 txrx_status;
128 u32 dmamac_cntl;
129 void *dmamac_addr;
130 struct dmamacdescr *dmamac_next;
131};
132
133/*
134 * txrx_status definitions
135 */
136
137/* tx status bits definitions */
138#if defined(CONFIG_DW_ALTDESCRIPTOR)
139
140#define DESC_TXSTS_OWNBYDMA (1 << 31)
141#define DESC_TXSTS_TXINT (1 << 30)
142#define DESC_TXSTS_TXLAST (1 << 29)
143#define DESC_TXSTS_TXFIRST (1 << 28)
144#define DESC_TXSTS_TXCRCDIS (1 << 27)
145
146#define DESC_TXSTS_TXPADDIS (1 << 26)
147#define DESC_TXSTS_TXCHECKINSCTRL (3 << 22)
148#define DESC_TXSTS_TXRINGEND (1 << 21)
149#define DESC_TXSTS_TXCHAIN (1 << 20)
150#define DESC_TXSTS_MSK (0x1FFFF << 0)
151
152#else
153
154#define DESC_TXSTS_OWNBYDMA (1 << 31)
155#define DESC_TXSTS_MSK (0x1FFFF << 0)
156
157#endif
158
159/* rx status bits definitions */
160#define DESC_RXSTS_OWNBYDMA (1 << 31)
161#define DESC_RXSTS_DAFILTERFAIL (1 << 30)
162#define DESC_RXSTS_FRMLENMSK (0x3FFF << 16)
163#define DESC_RXSTS_FRMLENSHFT (16)
164
165#define DESC_RXSTS_ERROR (1 << 15)
166#define DESC_RXSTS_RXTRUNCATED (1 << 14)
167#define DESC_RXSTS_SAFILTERFAIL (1 << 13)
168#define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12)
169#define DESC_RXSTS_RXDAMAGED (1 << 11)
170#define DESC_RXSTS_RXVLANTAG (1 << 10)
171#define DESC_RXSTS_RXFIRST (1 << 9)
172#define DESC_RXSTS_RXLAST (1 << 8)
173#define DESC_RXSTS_RXIPC_GIANT (1 << 7)
174#define DESC_RXSTS_RXCOLLISION (1 << 6)
175#define DESC_RXSTS_RXFRAMEETHER (1 << 5)
176#define DESC_RXSTS_RXWATCHDOG (1 << 4)
177#define DESC_RXSTS_RXMIIERROR (1 << 3)
178#define DESC_RXSTS_RXDRIBBLING (1 << 2)
179#define DESC_RXSTS_RXCRC (1 << 1)
180
181/*
182 * dmamac_cntl definitions
183 */
184
185/* tx control bits definitions */
186#if defined(CONFIG_DW_ALTDESCRIPTOR)
187
188#define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0)
189#define DESC_TXCTRL_SIZE1SHFT (0)
190#define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16)
191#define DESC_TXCTRL_SIZE2SHFT (16)
192
193#else
194
195#define DESC_TXCTRL_TXINT (1 << 31)
196#define DESC_TXCTRL_TXLAST (1 << 30)
197#define DESC_TXCTRL_TXFIRST (1 << 29)
198#define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27)
199#define DESC_TXCTRL_TXCRCDIS (1 << 26)
200#define DESC_TXCTRL_TXRINGEND (1 << 25)
201#define DESC_TXCTRL_TXCHAIN (1 << 24)
202
203#define DESC_TXCTRL_SIZE1MASK (0x7FF << 0)
204#define DESC_TXCTRL_SIZE1SHFT (0)
205#define DESC_TXCTRL_SIZE2MASK (0x7FF << 11)
206#define DESC_TXCTRL_SIZE2SHFT (11)
207
208#endif
209
210/* rx control bits definitions */
211#if defined(CONFIG_DW_ALTDESCRIPTOR)
212
213#define DESC_RXCTRL_RXINTDIS (1 << 31)
214#define DESC_RXCTRL_RXRINGEND (1 << 15)
215#define DESC_RXCTRL_RXCHAIN (1 << 14)
216
217#define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0)
218#define DESC_RXCTRL_SIZE1SHFT (0)
219#define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16)
220#define DESC_RXCTRL_SIZE2SHFT (16)
221
222#else
223
224#define DESC_RXCTRL_RXINTDIS (1 << 31)
225#define DESC_RXCTRL_RXRINGEND (1 << 25)
226#define DESC_RXCTRL_RXCHAIN (1 << 24)
227
228#define DESC_RXCTRL_SIZE1MASK (0x7FF << 0)
229#define DESC_RXCTRL_SIZE1SHFT (0)
230#define DESC_RXCTRL_SIZE2MASK (0x7FF << 11)
231#define DESC_RXCTRL_SIZE2SHFT (11)
232
233#endif
234
235struct dw_eth_dev {
236 u32 address;
237 u32 speed;
238 u32 duplex;
239 u32 tx_currdescnum;
240 u32 rx_currdescnum;
241 u32 padding;
242
243 struct dmamacdescr tx_mac_descrtable[CONFIG_TX_DESCR_NUM];
244 struct dmamacdescr rx_mac_descrtable[CONFIG_RX_DESCR_NUM];
245
246 char txbuffs[TX_TOTAL_BUFSIZE];
247 char rxbuffs[RX_TOTAL_BUFSIZE];
248
249 struct eth_mac_regs *mac_regs_p;
250 struct eth_dma_regs *dma_regs_p;
251
252 struct eth_device *dev;
253} __attribute__ ((aligned(8)));
254
255/* Speed specific definitions */
256#define SPEED_10M 1
257#define SPEED_100M 2
258#define SPEED_1000M 3
259
260/* Duplex mode specific definitions */
261#define HALF_DUPLEX 1
262#define FULL_DUPLEX 2
263
264#endif