1 /*
2  * fec.h -- Fast Ethernet Controller definitions
3  *
4  * Some definitions copied from commproc.h for MPC8xx:
5  * MPC8xx Communication Processor Module.
6  * Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
7  *
8  * Add FEC Structure and definitions
9  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
10  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
11  *
12  * See file CREDITS for list of people who contributed to this
13  * project.
14  *
15  * This program is free software; you can redistribute it and/or
16  * modify it under the terms of the GNU General Public License as
17  * published by the Free Software Foundation; either version 2 of
18  * the License, or (at your option) any later version.
19  *
20  * This program is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with this program; if not, write to the Free Software
27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28  * MA 02111-1307 USA
29  */
30 
31 #ifndef	fec_h
32 #define	fec_h
33 
34 /* Buffer descriptors used FEC.
35 */
36 typedef struct cpm_buf_desc {
37 	ushort cbd_sc;		/* Status and Control */
38 	ushort cbd_datlen;	/* Data length in buffer */
39 	uint cbd_bufaddr;	/* Buffer address in host memory */
40 } cbd_t;
41 
42 #define BD_SC_EMPTY		((ushort)0x8000)	/* Recieve is empty */
43 #define BD_SC_READY		((ushort)0x8000)	/* Transmit is ready */
44 #define BD_SC_WRAP		((ushort)0x2000)	/* Last buffer descriptor */
45 #define BD_SC_INTRPT		((ushort)0x1000)	/* Interrupt on change */
46 #define BD_SC_LAST		((ushort)0x0800)	/* Last buffer in frame */
47 #define BD_SC_TC		((ushort)0x0400)	/* Transmit CRC */
48 #define BD_SC_CM		((ushort)0x0200)	/* Continous mode */
49 #define BD_SC_ID		((ushort)0x0100)	/* Rec'd too many idles */
50 #define BD_SC_P			((ushort)0x0100)	/* xmt preamble */
51 #define BD_SC_BR		((ushort)0x0020)	/* Break received */
52 #define BD_SC_FR		((ushort)0x0010)	/* Framing error */
53 #define BD_SC_PR		((ushort)0x0008)	/* Parity error */
54 #define BD_SC_OV		((ushort)0x0002)	/* Overrun */
55 #define BD_SC_CD		((ushort)0x0001)	/* Carrier Detect lost */
56 
57 /* Buffer descriptor control/status used by Ethernet receive.
58 */
59 #define BD_ENET_RX_EMPTY	((ushort)0x8000)
60 #define BD_ENET_RX_RO1		((ushort)0x4000)
61 #define BD_ENET_RX_WRAP		((ushort)0x2000)
62 #define BD_ENET_RX_INTR		((ushort)0x1000)
63 #define BD_ENET_RX_RO2		BD_ENET_RX_INTR
64 #define BD_ENET_RX_LAST		((ushort)0x0800)
65 #define BD_ENET_RX_FIRST	((ushort)0x0400)
66 #define BD_ENET_RX_MISS		((ushort)0x0100)
67 #define BD_ENET_RX_BC		((ushort)0x0080)
68 #define BD_ENET_RX_MC		((ushort)0x0040)
69 #define BD_ENET_RX_LG		((ushort)0x0020)
70 #define BD_ENET_RX_NO		((ushort)0x0010)
71 #define BD_ENET_RX_SH		((ushort)0x0008)
72 #define BD_ENET_RX_CR		((ushort)0x0004)
73 #define BD_ENET_RX_OV		((ushort)0x0002)
74 #define BD_ENET_RX_CL		((ushort)0x0001)
75 #define BD_ENET_RX_TR		BD_ENET_RX_CL
76 #define BD_ENET_RX_STATS	((ushort)0x013f)	/* All status bits */
77 
78 /* Buffer descriptor control/status used by Ethernet transmit.
79 */
80 #define BD_ENET_TX_READY	((ushort)0x8000)
81 #define BD_ENET_TX_PAD		((ushort)0x4000)
82 #define BD_ENET_TX_TO1		BD_ENET_TX_PAD
83 #define BD_ENET_TX_WRAP		((ushort)0x2000)
84 #define BD_ENET_TX_INTR		((ushort)0x1000)
85 #define BD_ENET_TX_TO2		BD_ENET_TX_INTR_
86 #define BD_ENET_TX_LAST		((ushort)0x0800)
87 #define BD_ENET_TX_TC		((ushort)0x0400)
88 #define BD_ENET_TX_DEF		((ushort)0x0200)
89 #define BD_ENET_TX_ABC		BD_ENET_TX_DEF
90 #define BD_ENET_TX_HB		((ushort)0x0100)
91 #define BD_ENET_TX_LC		((ushort)0x0080)
92 #define BD_ENET_TX_RL		((ushort)0x0040)
93 #define BD_ENET_TX_RCMASK	((ushort)0x003c)
94 #define BD_ENET_TX_UN		((ushort)0x0002)
95 #define BD_ENET_TX_CSL		((ushort)0x0001)
96 #define BD_ENET_TX_STATS	((ushort)0x03ff)	/* All status bits */
97 
98 /*********************************************************************
99 * Fast Ethernet Controller (FEC)
100 *********************************************************************/
101 /* FEC private information */
102 struct fec_info_s {
103 	int index;
104 	u32 iobase;
105 	u32 pinmux;
106 	u32 miibase;
107 	int phy_addr;
108 	int dup_spd;
109 	char *phy_name;
110 	int phyname_init;
111 	cbd_t *rxbd;		/* Rx BD */
112 	cbd_t *txbd;		/* Tx BD */
113 	uint rxIdx;
114 	uint txIdx;
115 	char *txbuf;
116 	int initialized;
117 	struct fec_info_s *next;
118 };
119 
120 #ifdef CONFIG_MCFFEC
121 /* Register read/write struct */
122 typedef struct fec {
123 #ifdef CONFIG_M5272
124 	u32 ecr;		/* 0x00 */
125 	u32 eir;		/* 0x04 */
126 	u32 eimr;		/* 0x08 */
127 	u32 ivsr;		/* 0x0C */
128 	u32 rdar;		/* 0x10 */
129 	u32 tdar;		/* 0x14 */
130 	u8 resv1[0x28];		/* 0x18 */
131 	u32 mmfr;		/* 0x40 */
132 	u32 mscr;		/* 0x44 */
133 	u8 resv2[0x44];		/* 0x48 */
134 	u32 frbr;		/* 0x8C */
135 	u32 frsr;		/* 0x90 */
136 	u8 resv3[0x10];		/* 0x94 */
137 	u32 tfwr;		/* 0xA4 */
138 	u32 res4;		/* 0xA8 */
139 	u32 tfsr;		/* 0xAC */
140 	u8 resv4[0x50];		/* 0xB0 */
141 	u32 opd;		/* 0x100 - dummy  */
142 	u32 rcr;		/* 0x104 */
143 	u32 mibc;		/* 0x108 */
144 	u8 resv5[0x38];		/* 0x10C */
145 	u32 tcr;		/* 0x144 */
146 	u8 resv6[0x270];	/* 0x148 */
147 	u32 iaur;		/* 0x3B8 - dummy */
148 	u32 ialr;		/* 0x3BC - dummy  */
149 	u32 palr;		/* 0x3C0 */
150 	u32 paur;		/* 0x3C4 */
151 	u32 gaur;		/* 0x3C8 */
152 	u32 galr;		/* 0x3CC */
153 	u32 erdsr;		/* 0x3D0 */
154 	u32 etdsr;		/* 0x3D4 */
155 	u32 emrbr;		/* 0x3D8 */
156 	u8 resv12[0x74];	/* 0x18C */
157 #else
158 	u8 resv0[0x4];
159 	u32 eir;
160 	u32 eimr;
161 	u8 resv1[0x4];
162 	u32 rdar;
163 	u32 tdar;
164 	u8 resv2[0xC];
165 	u32 ecr;
166 	u8 resv3[0x18];
167 	u32 mmfr;
168 	u32 mscr;
169 	u8 resv4[0x1C];
170 	u32 mibc;
171 	u8 resv5[0x1C];
172 	u32 rcr;
173 	u8 resv6[0x3C];
174 	u32 tcr;
175 	u8 resv7[0x1C];
176 	u32 palr;
177 	u32 paur;
178 	u32 opd;
179 	u8 resv8[0x28];
180 	u32 iaur;
181 	u32 ialr;
182 	u32 gaur;
183 	u32 galr;
184 	u8 resv9[0x1C];
185 	u32 tfwr;
186 	u8 resv10[0x4];
187 	u32 frbr;
188 	u32 frsr;
189 	u8 resv11[0x2C];
190 	u32 erdsr;
191 	u32 etdsr;
192 	u32 emrbr;
193 	u8 resv12[0x74];
194 #endif
195 
196 	u32 rmon_t_drop;
197 	u32 rmon_t_packets;
198 	u32 rmon_t_bc_pkt;
199 	u32 rmon_t_mc_pkt;
200 	u32 rmon_t_crc_align;
201 	u32 rmon_t_undersize;
202 	u32 rmon_t_oversize;
203 	u32 rmon_t_frag;
204 	u32 rmon_t_jab;
205 	u32 rmon_t_col;
206 	u32 rmon_t_p64;
207 	u32 rmon_t_p65to127;
208 	u32 rmon_t_p128to255;
209 	u32 rmon_t_p256to511;
210 	u32 rmon_t_p512to1023;
211 	u32 rmon_t_p1024to2047;
212 	u32 rmon_t_p_gte2048;
213 	u32 rmon_t_octets;
214 
215 	u32 ieee_t_drop;
216 	u32 ieee_t_frame_ok;
217 	u32 ieee_t_1col;
218 	u32 ieee_t_mcol;
219 	u32 ieee_t_def;
220 	u32 ieee_t_lcol;
221 	u32 ieee_t_excol;
222 	u32 ieee_t_macerr;
223 	u32 ieee_t_cserr;
224 	u32 ieee_t_sqe;
225 	u32 ieee_t_fdxfc;
226 	u32 ieee_t_octets_ok;
227 	u8 resv13[0x8];
228 
229 	u32 rmon_r_drop;
230 	u32 rmon_r_packets;
231 	u32 rmon_r_bc_pkt;
232 	u32 rmon_r_mc_pkt;
233 	u32 rmon_r_crc_align;
234 	u32 rmon_r_undersize;
235 	u32 rmon_r_oversize;
236 	u32 rmon_r_frag;
237 	u32 rmon_r_jab;
238 	u32 rmon_r_resvd_0;
239 	u32 rmon_r_p64;
240 	u32 rmon_r_p65to127;
241 	u32 rmon_r_p128to255;
242 	u32 rmon_r_p256to511;
243 	u32 rmon_r_p512to1023;
244 	u32 rmon_r_p1024to2047;
245 	u32 rmon_r_p_gte2048;
246 	u32 rmon_r_octets;
247 
248 	u32 ieee_r_drop;
249 	u32 ieee_r_frame_ok;
250 	u32 ieee_r_crc;
251 	u32 ieee_r_align;
252 	u32 ieee_r_macerr;
253 	u32 ieee_r_fdxfc;
254 	u32 ieee_r_octets_ok;
255 } fec_t;
256 #endif				/* CONFIG_MCFFEC */
257 
258 /*********************************************************************
259 * Fast Ethernet Controller (FEC)
260 *********************************************************************/
261 /* Bit definitions and macros for FEC_EIR */
262 #define FEC_EIR_CLEAR_ALL		(0xFFF80000)
263 #define FEC_EIR_HBERR			(0x80000000)
264 #define FEC_EIR_BABR			(0x40000000)
265 #define FEC_EIR_BABT			(0x20000000)
266 #define FEC_EIR_GRA			(0x10000000)
267 #define FEC_EIR_TXF			(0x08000000)
268 #define FEC_EIR_TXB			(0x04000000)
269 #define FEC_EIR_RXF			(0x02000000)
270 #define FEC_EIR_RXB			(0x01000000)
271 #define FEC_EIR_MII			(0x00800000)
272 #define FEC_EIR_EBERR			(0x00400000)
273 #define FEC_EIR_LC			(0x00200000)
274 #define FEC_EIR_RL			(0x00100000)
275 #define FEC_EIR_UN			(0x00080000)
276 
277 /* Bit definitions and macros for FEC_RDAR */
278 #define FEC_RDAR_R_DES_ACTIVE		(0x01000000)
279 
280 /* Bit definitions and macros for FEC_TDAR */
281 #define FEC_TDAR_X_DES_ACTIVE		(0x01000000)
282 
283 /* Bit definitions and macros for FEC_ECR */
284 #define FEC_ECR_ETHER_EN		(0x00000002)
285 #define FEC_ECR_RESET			(0x00000001)
286 
287 /* Bit definitions and macros for FEC_MMFR */
288 #define FEC_MMFR_DATA(x)		(((x)&0xFFFF))
289 #define FEC_MMFR_ST(x)			(((x)&0x03)<<30)
290 #define FEC_MMFR_ST_01			(0x40000000)
291 #define FEC_MMFR_OP_RD			(0x20000000)
292 #define FEC_MMFR_OP_WR			(0x10000000)
293 #define FEC_MMFR_PA(x)			(((x)&0x1F)<<23)
294 #define FEC_MMFR_RA(x)			(((x)&0x1F)<<18)
295 #define FEC_MMFR_TA(x)			(((x)&0x03)<<16)
296 #define FEC_MMFR_TA_10			(0x00020000)
297 
298 /* Bit definitions and macros for FEC_MSCR */
299 #define FEC_MSCR_DIS_PREAMBLE		(0x00000080)
300 #define FEC_MSCR_MII_SPEED(x)		(((x)&0x3F)<<1)
301 
302 /* Bit definitions and macros for FEC_MIBC */
303 #define FEC_MIBC_MIB_DISABLE		(0x80000000)
304 #define FEC_MIBC_MIB_IDLE		(0x40000000)
305 
306 /* Bit definitions and macros for FEC_RCR */
307 #define FEC_RCR_MAX_FL(x)		(((x)&0x7FF)<<16)
308 #define FEC_RCR_FCE			(0x00000020)
309 #define FEC_RCR_BC_REJ			(0x00000010)
310 #define FEC_RCR_PROM			(0x00000008)
311 #define FEC_RCR_MII_MODE		(0x00000004)
312 #define FEC_RCR_DRT			(0x00000002)
313 #define FEC_RCR_LOOP			(0x00000001)
314 
315 /* Bit definitions and macros for FEC_TCR */
316 #define FEC_TCR_RFC_PAUSE		(0x00000010)
317 #define FEC_TCR_TFC_PAUSE		(0x00000008)
318 #define FEC_TCR_FDEN			(0x00000004)
319 #define FEC_TCR_HBC			(0x00000002)
320 #define FEC_TCR_GTS			(0x00000001)
321 
322 /* Bit definitions and macros for FEC_PAUR */
323 #define FEC_PAUR_PADDR2(x)		(((x)&0xFFFF)<<16)
324 #define FEC_PAUR_TYPE(x)		((x)&0xFFFF)
325 
326 /* Bit definitions and macros for FEC_OPD */
327 #define FEC_OPD_PAUSE_DUR(x)		(((x)&0x0000FFFF)<<0)
328 #define FEC_OPD_OPCODE(x)		(((x)&0x0000FFFF)<<16)
329 
330 /* Bit definitions and macros for FEC_TFWR */
331 #define FEC_TFWR_X_WMRK(x)		((x)&0x03)
332 #define FEC_TFWR_X_WMRK_64		(0x01)
333 #define FEC_TFWR_X_WMRK_128		(0x02)
334 #define FEC_TFWR_X_WMRK_192		(0x03)
335 
336 /* Bit definitions and macros for FEC_FRBR */
337 #define FEC_FRBR_R_BOUND(x)		(((x)&0xFF)<<2)
338 
339 /* Bit definitions and macros for FEC_FRSR */
340 #define FEC_FRSR_R_FSTART(x)		(((x)&0xFF)<<2)
341 
342 /* Bit definitions and macros for FEC_ERDSR */
343 #define FEC_ERDSR_R_DES_START(x)	(((x)&0x3FFFFFFF)<<2)
344 
345 /* Bit definitions and macros for FEC_ETDSR */
346 #define FEC_ETDSR_X_DES_START(x)	(((x)&0x3FFFFFFF)<<2)
347 
348 /* Bit definitions and macros for FEC_EMRBR */
349 #define FEC_EMRBR_R_BUF_SIZE(x)		(((x)&0x7F)<<4)
350 
351 #define	FEC_RESET_DELAY			100
352 #define FEC_RX_TOUT			100
353 
354 int fecpin_setclear(struct eth_device *dev, int setclear);
355 
356 #ifdef CONFIG_SYS_DISCOVER_PHY
357 void __mii_init(void);
358 uint mii_send(uint mii_cmd);
359 int mii_discover_phy(struct eth_device *dev);
360 int mcffec_miiphy_read(char *devname, unsigned char addr,
361 		       unsigned char reg, unsigned short *value);
362 int mcffec_miiphy_write(char *devname, unsigned char addr,
363 			unsigned char reg, unsigned short value);
364 #endif
365 
366 #endif				/* fec_h */
367