xref: /openbmc/u-boot/drivers/qe/uec.h (revision 236aad87)
1 /*
2  * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
3  *
4  * Dave Liu <daveliu@freescale.com>
5  * based on source code of Shlomi Gridish
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #ifndef __UEC_H__
24 #define __UEC_H__
25 
26 #define MAX_TX_THREADS				8
27 #define MAX_RX_THREADS				8
28 #define MAX_TX_QUEUES				8
29 #define MAX_RX_QUEUES				8
30 #define MAX_PREFETCHED_BDS			4
31 #define MAX_IPH_OFFSET_ENTRY			8
32 #define MAX_ENET_INIT_PARAM_ENTRIES_RX		9
33 #define MAX_ENET_INIT_PARAM_ENTRIES_TX		8
34 
35 /* UEC UPSMR (Protocol Specific Mode Register)
36  */
37 #define UPSMR_ECM	0x04000000 /* Enable CAM Miss               */
38 #define UPSMR_HSE	0x02000000 /* Hardware Statistics Enable    */
39 #define UPSMR_PRO	0x00400000 /* Promiscuous                   */
40 #define UPSMR_CAP	0x00200000 /* CAM polarity                  */
41 #define UPSMR_RSH	0x00100000 /* Receive Short Frames          */
42 #define UPSMR_RPM	0x00080000 /* Reduced Pin Mode interfaces   */
43 #define UPSMR_R10M	0x00040000 /* RGMII/RMII 10 Mode            */
44 #define UPSMR_RLPB	0x00020000 /* RMII Loopback Mode            */
45 #define UPSMR_TBIM	0x00010000 /* Ten-bit Interface Mode        */
46 #define UPSMR_RMM	0x00001000 /* RMII/RGMII Mode               */
47 #define UPSMR_CAM	0x00000400 /* CAM Address Matching          */
48 #define UPSMR_BRO	0x00000200 /* Broadcast Address             */
49 #define UPSMR_RES1	0x00002000 /* Reserved feild - must be 1    */
50 #define UPSMR_SGMM	0x00000020 /* SGMII mode    */
51 
52 #define UPSMR_INIT_VALUE	(UPSMR_HSE | UPSMR_RES1)
53 
54 /* UEC MACCFG1 (MAC Configuration 1 Register)
55  */
56 #define MACCFG1_FLOW_RX			0x00000020 /* Flow Control Rx */
57 #define MACCFG1_FLOW_TX			0x00000010 /* Flow Control Tx */
58 #define MACCFG1_ENABLE_SYNCHED_RX	0x00000008 /* Enable Rx Sync  */
59 #define MACCFG1_ENABLE_RX		0x00000004 /* Enable Rx       */
60 #define MACCFG1_ENABLE_SYNCHED_TX	0x00000002 /* Enable Tx Sync  */
61 #define MACCFG1_ENABLE_TX		0x00000001 /* Enable Tx       */
62 
63 #define MACCFG1_INIT_VALUE		(0)
64 
65 /* UEC MACCFG2 (MAC Configuration 2 Register)
66  */
67 #define MACCFG2_PREL				0x00007000
68 #define MACCFG2_PREL_SHIFT			(31 - 19)
69 #define MACCFG2_PREL_MASK			0x0000f000
70 #define MACCFG2_SRP				0x00000080
71 #define MACCFG2_STP				0x00000040
72 #define MACCFG2_RESERVED_1			0x00000020 /* must be set  */
73 #define MACCFG2_LC				0x00000010 /* Length Check */
74 #define MACCFG2_MPE				0x00000008
75 #define MACCFG2_FDX				0x00000001 /* Full Duplex  */
76 #define MACCFG2_FDX_MASK			0x00000001
77 #define MACCFG2_PAD_CRC				0x00000004
78 #define MACCFG2_CRC_EN				0x00000002
79 #define MACCFG2_PAD_AND_CRC_MODE_NONE		0x00000000
80 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY	0x00000002
81 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC	0x00000004
82 #define MACCFG2_INTERFACE_MODE_NIBBLE		0x00000100
83 #define MACCFG2_INTERFACE_MODE_BYTE		0x00000200
84 #define MACCFG2_INTERFACE_MODE_MASK		0x00000300
85 
86 #define MACCFG2_INIT_VALUE	(MACCFG2_PREL | MACCFG2_RESERVED_1 | \
87 				 MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX)
88 
89 /* UEC Event Register
90 */
91 #define UCCE_MPD				0x80000000
92 #define UCCE_SCAR				0x40000000
93 #define UCCE_GRA				0x20000000
94 #define UCCE_CBPR				0x10000000
95 #define UCCE_BSY				0x08000000
96 #define UCCE_RXC				0x04000000
97 #define UCCE_TXC				0x02000000
98 #define UCCE_TXE				0x01000000
99 #define UCCE_TXB7				0x00800000
100 #define UCCE_TXB6				0x00400000
101 #define UCCE_TXB5				0x00200000
102 #define UCCE_TXB4				0x00100000
103 #define UCCE_TXB3				0x00080000
104 #define UCCE_TXB2				0x00040000
105 #define UCCE_TXB1				0x00020000
106 #define UCCE_TXB0				0x00010000
107 #define UCCE_RXB7				0x00008000
108 #define UCCE_RXB6				0x00004000
109 #define UCCE_RXB5				0x00002000
110 #define UCCE_RXB4				0x00001000
111 #define UCCE_RXB3				0x00000800
112 #define UCCE_RXB2				0x00000400
113 #define UCCE_RXB1				0x00000200
114 #define UCCE_RXB0				0x00000100
115 #define UCCE_RXF7				0x00000080
116 #define UCCE_RXF6				0x00000040
117 #define UCCE_RXF5				0x00000020
118 #define UCCE_RXF4				0x00000010
119 #define UCCE_RXF3				0x00000008
120 #define UCCE_RXF2				0x00000004
121 #define UCCE_RXF1				0x00000002
122 #define UCCE_RXF0				0x00000001
123 
124 #define UCCE_TXB	(UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \
125 			 UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
126 #define UCCE_RXB	(UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \
127 			 UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
128 #define UCCE_RXF	(UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \
129 			 UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
130 #define UCCE_OTHER	(UCCE_SCAR | UCCE_GRA  | UCCE_CBPR | UCCE_BSY  | \
131 			 UCCE_RXC  | UCCE_TXC  | UCCE_TXE)
132 
133 /* UEC TEMODR Register
134 */
135 #define TEMODER_SCHEDULER_ENABLE		0x2000
136 #define TEMODER_IP_CHECKSUM_GENERATE		0x0400
137 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1	0x0200
138 #define TEMODER_RMON_STATISTICS			0x0100
139 #define TEMODER_NUM_OF_QUEUES_SHIFT		(15-15)
140 
141 #define TEMODER_INIT_VALUE			0xc000
142 
143 /* UEC REMODR Register
144 */
145 #define REMODER_RX_RMON_STATISTICS_ENABLE	0x00001000
146 #define REMODER_RX_EXTENDED_FEATURES		0x80000000
147 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT	(31-9 )
148 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT	(31-10)
149 #define REMODER_RX_QOS_MODE_SHIFT		(31-15)
150 #define REMODER_RMON_STATISTICS			0x00001000
151 #define REMODER_RX_EXTENDED_FILTERING		0x00000800
152 #define REMODER_NUM_OF_QUEUES_SHIFT		(31-23)
153 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH	0x00000008
154 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH	0x00000004
155 #define REMODER_IP_CHECKSUM_CHECK		0x00000002
156 #define REMODER_IP_ADDRESS_ALIGNMENT		0x00000001
157 
158 #define REMODER_INIT_VALUE			0
159 
160 /* BMRx - Bus Mode Register */
161 #define BMR_GLB					0x20
162 #define BMR_BO_BE				0x10
163 #define BMR_DTB_SECONDARY_BUS			0x02
164 #define BMR_BDB_SECONDARY_BUS			0x01
165 
166 #define BMR_SHIFT				24
167 #define BMR_INIT_VALUE				(BMR_GLB | BMR_BO_BE)
168 
169 /* UEC UCCS (Ethernet Status Register)
170  */
171 #define UCCS_BPR				0x02
172 #define UCCS_PAU				0x02
173 #define UCCS_MPD				0x01
174 
175 /* UEC MIIMCFG (MII Management Configuration Register)
176  */
177 #define MIIMCFG_RESET_MANAGEMENT		0x80000000
178 #define MIIMCFG_NO_PREAMBLE			0x00000010
179 #define MIIMCFG_CLOCK_DIVIDE_SHIFT		(31 - 31)
180 #define MIIMCFG_CLOCK_DIVIDE_MASK		0x0000000f
181 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4	0x00000001
182 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6	0x00000002
183 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8	0x00000003
184 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10	0x00000004
185 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14	0x00000005
186 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20	0x00000006
187 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28	0x00000007
188 
189 #define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE	\
190 	MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10
191 
192 /* UEC MIIMCOM (MII Management Command Register)
193  */
194 #define MIIMCOM_SCAN_CYCLE			0x00000002 /* Scan cycle */
195 #define MIIMCOM_READ_CYCLE			0x00000001 /* Read cycle */
196 
197 /* UEC MIIMADD (MII Management Address Register)
198  */
199 #define MIIMADD_PHY_ADDRESS_SHIFT		(31 - 23)
200 #define MIIMADD_PHY_REGISTER_SHIFT		(31 - 31)
201 
202 /* UEC MIIMCON (MII Management Control Register)
203  */
204 #define MIIMCON_PHY_CONTROL_SHIFT		(31 - 31)
205 #define MIIMCON_PHY_STATUS_SHIFT		(31 - 31)
206 
207 /* UEC MIIMIND (MII Management Indicator Register)
208  */
209 #define MIIMIND_NOT_VALID			0x00000004
210 #define MIIMIND_SCAN				0x00000002
211 #define MIIMIND_BUSY				0x00000001
212 
213 /* UEC UTBIPAR (Ten Bit Interface Physical Address Register)
214  */
215 #define UTBIPAR_PHY_ADDRESS_SHIFT		(31 - 31)
216 #define UTBIPAR_PHY_ADDRESS_MASK		0x0000001f
217 
218 /* UEC UESCR (Ethernet Statistics Control Register)
219  */
220 #define UESCR_AUTOZ				0x8000
221 #define UESCR_CLRCNT				0x4000
222 #define UESCR_MAXCOV_SHIFT			(15 -  7)
223 #define UESCR_SCOV_SHIFT			(15 - 15)
224 
225 /****** Tx data struct collection ******/
226 /* Tx thread data, each Tx thread has one this struct.
227 */
228 typedef struct uec_thread_data_tx {
229 	u8   res0[136];
230 } __attribute__ ((packed)) uec_thread_data_tx_t;
231 
232 /* Tx thread parameter, each Tx thread has one this struct.
233 */
234 typedef struct uec_thread_tx_pram {
235 	u8   res0[64];
236 } __attribute__ ((packed)) uec_thread_tx_pram_t;
237 
238 /* Send queue queue-descriptor, each Tx queue has one this QD
239 */
240 typedef struct uec_send_queue_qd {
241 	u32    bd_ring_base; /* pointer to BD ring base address */
242 	u8     res0[0x8];
243 	u32    last_bd_completed_address; /* last entry in BD ring */
244 	u8     res1[0x30];
245 } __attribute__ ((packed)) uec_send_queue_qd_t;
246 
247 /* Send queue memory region */
248 typedef struct uec_send_queue_mem_region {
249 	uec_send_queue_qd_t   sqqd[MAX_TX_QUEUES];
250 } __attribute__ ((packed)) uec_send_queue_mem_region_t;
251 
252 /* Scheduler struct
253 */
254 typedef struct uec_scheduler {
255 	u16  cpucount0;        /* CPU packet counter */
256 	u16  cpucount1;        /* CPU packet counter */
257 	u16  cecount0;         /* QE  packet counter */
258 	u16  cecount1;         /* QE  packet counter */
259 	u16  cpucount2;        /* CPU packet counter */
260 	u16  cpucount3;        /* CPU packet counter */
261 	u16  cecount2;         /* QE  packet counter */
262 	u16  cecount3;         /* QE  packet counter */
263 	u16  cpucount4;        /* CPU packet counter */
264 	u16  cpucount5;        /* CPU packet counter */
265 	u16  cecount4;         /* QE  packet counter */
266 	u16  cecount5;         /* QE  packet counter */
267 	u16  cpucount6;        /* CPU packet counter */
268 	u16  cpucount7;        /* CPU packet counter */
269 	u16  cecount6;         /* QE  packet counter */
270 	u16  cecount7;         /* QE  packet counter */
271 	u32  weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */
272 	u32  rtsrshadow;       /* temporary variable handled by QE */
273 	u32  time;             /* temporary variable handled by QE */
274 	u32  ttl;              /* temporary variable handled by QE */
275 	u32  mblinterval;      /* max burst length interval        */
276 	u16  nortsrbytetime;   /* normalized value of byte time in tsr units */
277 	u8   fracsiz;
278 	u8   res0[1];
279 	u8   strictpriorityq;  /* Strict Priority Mask register */
280 	u8   txasap;           /* Transmit ASAP register        */
281 	u8   extrabw;          /* Extra BandWidth register      */
282 	u8   oldwfqmask;       /* temporary variable handled by QE */
283 	u8   weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */
284 	u32  minw;             /* temporary variable handled by QE */
285 	u8   res1[0x70-0x64];
286 } __attribute__ ((packed)) uec_scheduler_t;
287 
288 /* Tx firmware counters
289 */
290 typedef struct uec_tx_firmware_statistics_pram {
291 	u32  sicoltx;            /* single collision */
292 	u32  mulcoltx;           /* multiple collision */
293 	u32  latecoltxfr;        /* late collision */
294 	u32  frabortduecol;      /* frames aborted due to tx collision */
295 	u32  frlostinmactxer;    /* frames lost due to internal MAC error tx */
296 	u32  carriersenseertx;   /* carrier sense error */
297 	u32  frtxok;             /* frames transmitted OK */
298 	u32  txfrexcessivedefer;
299 	u32  txpkts256;          /* total packets(including bad) 256~511 B */
300 	u32  txpkts512;          /* total packets(including bad) 512~1023B */
301 	u32  txpkts1024;         /* total packets(including bad) 1024~1518B */
302 	u32  txpktsjumbo;        /* total packets(including bad)  >1024 */
303 } __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t;
304 
305 /* Tx global parameter table
306 */
307 typedef struct uec_tx_global_pram {
308 	u16  temoder;
309 	u8   res0[0x38-0x02];
310 	u32  sqptr;
311 	u32  schedulerbasepointer;
312 	u32  txrmonbaseptr;
313 	u32  tstate;
314 	u8   iphoffset[MAX_IPH_OFFSET_ENTRY];
315 	u32  vtagtable[0x8];
316 	u32  tqptr;
317 	u8   res2[0x80-0x74];
318 } __attribute__ ((packed)) uec_tx_global_pram_t;
319 
320 
321 /****** Rx data struct collection ******/
322 /* Rx thread data, each Rx thread has one this struct.
323 */
324 typedef struct uec_thread_data_rx {
325 	u8   res0[40];
326 } __attribute__ ((packed)) uec_thread_data_rx_t;
327 
328 /* Rx thread parameter, each Rx thread has one this struct.
329 */
330 typedef struct uec_thread_rx_pram {
331 	u8   res0[128];
332 } __attribute__ ((packed)) uec_thread_rx_pram_t;
333 
334 /* Rx firmware counters
335 */
336 typedef struct uec_rx_firmware_statistics_pram {
337 	u32   frrxfcser;         /* frames with crc error */
338 	u32   fraligner;         /* frames with alignment error */
339 	u32   inrangelenrxer;    /* in range length error */
340 	u32   outrangelenrxer;   /* out of range length error */
341 	u32   frtoolong;         /* frame too long */
342 	u32   runt;              /* runt */
343 	u32   verylongevent;     /* very long event */
344 	u32   symbolerror;       /* symbol error */
345 	u32   dropbsy;           /* drop because of BD not ready */
346 	u8    res0[0x8];
347 	u32   mismatchdrop;      /* drop because of MAC filtering */
348 	u32   underpkts;         /* total frames less than 64 octets */
349 	u32   pkts256;           /* total frames(including bad)256~511 B */
350 	u32   pkts512;           /* total frames(including bad)512~1023 B */
351 	u32   pkts1024;          /* total frames(including bad)1024~1518 B */
352 	u32   pktsjumbo;         /* total frames(including bad) >1024 B */
353 	u32   frlossinmacer;
354 	u32   pausefr;           /* pause frames */
355 	u8    res1[0x4];
356 	u32   removevlan;
357 	u32   replacevlan;
358 	u32   insertvlan;
359 } __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t;
360 
361 /* Rx interrupt coalescing entry, each Rx queue has one this entry.
362 */
363 typedef struct uec_rx_interrupt_coalescing_entry {
364 	u32   maxvalue;
365 	u32   counter;
366 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t;
367 
368 typedef struct uec_rx_interrupt_coalescing_table {
369 	uec_rx_interrupt_coalescing_entry_t   entry[MAX_RX_QUEUES];
370 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t;
371 
372 /* RxBD queue entry, each Rx queue has one this entry.
373 */
374 typedef struct uec_rx_bd_queues_entry {
375 	u32   bdbaseptr;         /* BD base pointer          */
376 	u32   bdptr;             /* BD pointer               */
377 	u32   externalbdbaseptr; /* external BD base pointer */
378 	u32   externalbdptr;     /* external BD pointer      */
379 } __attribute__ ((packed)) uec_rx_bd_queues_entry_t;
380 
381 /* Rx global paramter table
382 */
383 typedef struct uec_rx_global_pram {
384 	u32  remoder;             /* ethernet mode reg. */
385 	u32  rqptr;               /* base pointer to the Rx Queues */
386 	u32  res0[0x1];
387 	u8   res1[0x20-0xC];
388 	u16  typeorlen;
389 	u8   res2[0x1];
390 	u8   rxgstpack;           /* ack on GRACEFUL STOP RX command */
391 	u32  rxrmonbaseptr;       /* Rx RMON statistics base */
392 	u8   res3[0x30-0x28];
393 	u32  intcoalescingptr;    /* Interrupt coalescing table pointer */
394 	u8   res4[0x36-0x34];
395 	u8   rstate;
396 	u8   res5[0x46-0x37];
397 	u16  mrblr;               /* max receive buffer length reg. */
398 	u32  rbdqptr;             /* RxBD parameter table description */
399 	u16  mflr;                /* max frame length reg. */
400 	u16  minflr;              /* min frame length reg. */
401 	u16  maxd1;               /* max dma1 length reg. */
402 	u16  maxd2;               /* max dma2 length reg. */
403 	u32  ecamptr;             /* external CAM address */
404 	u32  l2qt;                /* VLAN priority mapping table. */
405 	u32  l3qt[0x8];           /* IP   priority mapping table. */
406 	u16  vlantype;            /* vlan type */
407 	u16  vlantci;             /* default vlan tci */
408 	u8   addressfiltering[64];/* address filtering data structure */
409 	u32  exfGlobalParam;      /* extended filtering global parameters */
410 	u8   res6[0x100-0xC4];    /* Initialize to zero */
411 } __attribute__ ((packed)) uec_rx_global_pram_t;
412 
413 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
414 
415 
416 /****** UEC common ******/
417 /* UCC statistics - hardware counters
418 */
419 typedef struct uec_hardware_statistics {
420 	u32 tx64;
421 	u32 tx127;
422 	u32 tx255;
423 	u32 rx64;
424 	u32 rx127;
425 	u32 rx255;
426 	u32 txok;
427 	u16 txcf;
428 	u32 tmca;
429 	u32 tbca;
430 	u32 rxfok;
431 	u32 rxbok;
432 	u32 rbyt;
433 	u32 rmca;
434 	u32 rbca;
435 } __attribute__ ((packed)) uec_hardware_statistics_t;
436 
437 /* InitEnet command parameter
438 */
439 typedef struct uec_init_cmd_pram {
440 	u8   resinit0;
441 	u8   resinit1;
442 	u8   resinit2;
443 	u8   resinit3;
444 	u16  resinit4;
445 	u8   res1[0x1];
446 	u8   largestexternallookupkeysize;
447 	u32  rgftgfrxglobal;
448 	u32  rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */
449 	u8   res2[0x38 - 0x30];
450 	u32  txglobal;				   /* tx global  */
451 	u32  txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */
452 	u8   res3[0x1];
453 } __attribute__ ((packed)) uec_init_cmd_pram_t;
454 
455 #define ENET_INIT_PARAM_RGF_SHIFT		(32 - 4)
456 #define ENET_INIT_PARAM_TGF_SHIFT		(32 - 8)
457 
458 #define ENET_INIT_PARAM_RISC_MASK		0x0000003f
459 #define ENET_INIT_PARAM_PTR_MASK		0x00ffffc0
460 #define ENET_INIT_PARAM_SNUM_MASK		0xff000000
461 #define ENET_INIT_PARAM_SNUM_SHIFT		24
462 
463 #define ENET_INIT_PARAM_MAGIC_RES_INIT0		0x06
464 #define ENET_INIT_PARAM_MAGIC_RES_INIT1		0x30
465 #define ENET_INIT_PARAM_MAGIC_RES_INIT2		0xff
466 #define ENET_INIT_PARAM_MAGIC_RES_INIT3		0x00
467 #define ENET_INIT_PARAM_MAGIC_RES_INIT4		0x0400
468 
469 /* structure representing 82xx Address Filtering Enet Address in PRAM
470 */
471 typedef struct uec_82xx_enet_address {
472 	u8   res1[0x2];
473 	u16  h;       /* address (MSB) */
474 	u16  m;       /* address       */
475 	u16  l;       /* address (LSB) */
476 } __attribute__ ((packed)) uec_82xx_enet_address_t;
477 
478 /* structure representing 82xx Address Filtering PRAM
479 */
480 typedef struct uec_82xx_address_filtering_pram {
481 	u32  iaddr_h;        /* individual address filter, high */
482 	u32  iaddr_l;        /* individual address filter, low  */
483 	u32  gaddr_h;        /* group address filter, high      */
484 	u32  gaddr_l;        /* group address filter, low       */
485 	uec_82xx_enet_address_t    taddr;
486 	uec_82xx_enet_address_t    paddr[4];
487 	u8                         res0[0x40-0x38];
488 } __attribute__ ((packed)) uec_82xx_address_filtering_pram_t;
489 
490 /* Buffer Descriptor
491 */
492 typedef struct buffer_descriptor {
493 	u16 status;
494 	u16 len;
495 	u32 data;
496 } __attribute__ ((packed)) qe_bd_t, *p_bd_t;
497 
498 #define	SIZEOFBD		sizeof(qe_bd_t)
499 
500 /* Common BD flags
501 */
502 #define BD_WRAP			0x2000
503 #define BD_INT			0x1000
504 #define BD_LAST			0x0800
505 #define BD_CLEAN		0x3000
506 
507 /* TxBD status flags
508 */
509 #define TxBD_READY		0x8000
510 #define TxBD_PADCRC		0x4000
511 #define TxBD_WRAP		BD_WRAP
512 #define TxBD_INT		BD_INT
513 #define TxBD_LAST		BD_LAST
514 #define TxBD_TXCRC		0x0400
515 #define TxBD_DEF		0x0200
516 #define TxBD_PP			0x0100
517 #define TxBD_LC			0x0080
518 #define TxBD_RL			0x0040
519 #define TxBD_RC			0x003C
520 #define TxBD_UNDERRUN		0x0002
521 #define TxBD_TRUNC		0x0001
522 
523 #define TxBD_ERROR		(TxBD_UNDERRUN | TxBD_TRUNC)
524 
525 /* RxBD status flags
526 */
527 #define RxBD_EMPTY		0x8000
528 #define RxBD_OWNER		0x4000
529 #define RxBD_WRAP		BD_WRAP
530 #define RxBD_INT		BD_INT
531 #define RxBD_LAST		BD_LAST
532 #define RxBD_FIRST		0x0400
533 #define RxBD_CMR		0x0200
534 #define RxBD_MISS		0x0100
535 #define RxBD_BCAST		0x0080
536 #define RxBD_MCAST		0x0040
537 #define RxBD_LG			0x0020
538 #define RxBD_NO			0x0010
539 #define RxBD_SHORT		0x0008
540 #define RxBD_CRCERR		0x0004
541 #define RxBD_OVERRUN		0x0002
542 #define RxBD_IPCH		0x0001
543 
544 #define RxBD_ERROR		(RxBD_LG | RxBD_NO | RxBD_SHORT | \
545 				 RxBD_CRCERR | RxBD_OVERRUN)
546 
547 /* BD access macros
548 */
549 #define BD_STATUS(_bd)			(((p_bd_t)(_bd))->status)
550 #define BD_STATUS_SET(_bd, _val)	(((p_bd_t)(_bd))->status = _val)
551 #define BD_LENGTH(_bd)			(((p_bd_t)(_bd))->len)
552 #define BD_LENGTH_SET(_bd, _val)	(((p_bd_t)(_bd))->len = _val)
553 #define BD_DATA_CLEAR(_bd)		(((p_bd_t)(_bd))->data = 0)
554 #define BD_IS_DATA(_bd)			(((p_bd_t)(_bd))->data)
555 #define BD_DATA(_bd)			((u8 *)(((p_bd_t)(_bd))->data))
556 #define BD_DATA_SET(_bd, _data)		(((p_bd_t)(_bd))->data = (u32)(_data))
557 #define BD_ADVANCE(_bd,_status,_base)	\
558 	(((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd))
559 
560 /* Rx Prefetched BDs
561 */
562 typedef struct uec_rx_prefetched_bds {
563     qe_bd_t   bd[MAX_PREFETCHED_BDS]; /* prefetched bd */
564 } __attribute__ ((packed)) uec_rx_prefetched_bds_t;
565 
566 /* Alignments
567  */
568 #define UEC_RX_GLOBAL_PRAM_ALIGNMENT				64
569 #define UEC_TX_GLOBAL_PRAM_ALIGNMENT				64
570 #define UEC_THREAD_RX_PRAM_ALIGNMENT				128
571 #define UEC_THREAD_TX_PRAM_ALIGNMENT				64
572 #define UEC_THREAD_DATA_ALIGNMENT				256
573 #define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT		32
574 #define UEC_SCHEDULER_ALIGNMENT					4
575 #define UEC_TX_STATISTICS_ALIGNMENT				4
576 #define UEC_RX_STATISTICS_ALIGNMENT				4
577 #define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT			4
578 #define UEC_RX_BD_QUEUES_ALIGNMENT				8
579 #define UEC_RX_PREFETCHED_BDS_ALIGNMENT				128
580 #define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT	4
581 #define UEC_RX_BD_RING_ALIGNMENT				32
582 #define UEC_TX_BD_RING_ALIGNMENT				32
583 #define UEC_MRBLR_ALIGNMENT					128
584 #define UEC_RX_BD_RING_SIZE_ALIGNMENT				4
585 #define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT			32
586 #define UEC_RX_DATA_BUF_ALIGNMENT				64
587 
588 #define UEC_VLAN_PRIORITY_MAX					8
589 #define UEC_IP_PRIORITY_MAX					64
590 #define UEC_TX_VTAG_TABLE_ENTRY_MAX				8
591 #define UEC_RX_BD_RING_SIZE_MIN					8
592 #define UEC_TX_BD_RING_SIZE_MIN					2
593 
594 /* Ethernet speed
595 */
596 typedef enum enet_speed {
597 	ENET_SPEED_10BT,   /* 10 Base T */
598 	ENET_SPEED_100BT,  /* 100 Base T */
599 	ENET_SPEED_1000BT  /* 1000 Base T */
600 } enet_speed_e;
601 
602 /* Ethernet Address Type.
603 */
604 typedef enum enet_addr_type {
605 	ENET_ADDR_TYPE_INDIVIDUAL,
606 	ENET_ADDR_TYPE_GROUP,
607 	ENET_ADDR_TYPE_BROADCAST
608 } enet_addr_type_e;
609 
610 /* TBI / MII Set Register
611 */
612 typedef enum enet_tbi_mii_reg {
613 	ENET_TBI_MII_CR        = 0x00,
614 	ENET_TBI_MII_SR        = 0x01,
615 	ENET_TBI_MII_ANA       = 0x04,
616 	ENET_TBI_MII_ANLPBPA   = 0x05,
617 	ENET_TBI_MII_ANEX      = 0x06,
618 	ENET_TBI_MII_ANNPT     = 0x07,
619 	ENET_TBI_MII_ANLPANP   = 0x08,
620 	ENET_TBI_MII_EXST      = 0x0F,
621 	ENET_TBI_MII_JD        = 0x10,
622 	ENET_TBI_MII_TBICON    = 0x11
623 } enet_tbi_mii_reg_e;
624 
625 /* TBI MDIO register bit fields*/
626 #define TBICON_CLK_SELECT	0x0020
627 #define TBIANA_ASYMMETRIC_PAUSE	0x0100
628 #define TBIANA_SYMMETRIC_PAUSE	0x0080
629 #define TBIANA_HALF_DUPLEX	0x0040
630 #define TBIANA_FULL_DUPLEX	0x0020
631 #define TBICR_PHY_RESET		0x8000
632 #define TBICR_ANEG_ENABLE	0x1000
633 #define TBICR_RESTART_ANEG	0x0200
634 #define TBICR_FULL_DUPLEX	0x0100
635 #define TBICR_SPEED1_SET	0x0040
636 
637 #define TBIANA_SETTINGS ( \
638 		TBIANA_ASYMMETRIC_PAUSE \
639 		| TBIANA_SYMMETRIC_PAUSE \
640 		| TBIANA_FULL_DUPLEX \
641 		)
642 
643 #define TBICR_SETTINGS ( \
644 		TBICR_PHY_RESET \
645 		| TBICR_ANEG_ENABLE \
646 		| TBICR_FULL_DUPLEX \
647 		| TBICR_SPEED1_SET \
648 		)
649 
650 /* UEC number of threads
651 */
652 typedef enum uec_num_of_threads {
653 	UEC_NUM_OF_THREADS_1  = 0x1,  /* 1 */
654 	UEC_NUM_OF_THREADS_2  = 0x2,  /* 2 */
655 	UEC_NUM_OF_THREADS_4  = 0x0,  /* 4 */
656 	UEC_NUM_OF_THREADS_6  = 0x3,  /* 6 */
657 	UEC_NUM_OF_THREADS_8  = 0x4   /* 8 */
658 } uec_num_of_threads_e;
659 
660 /* UEC ethernet interface type
661 */
662 typedef enum enet_interface {
663 	ENET_10_MII,
664 	ENET_10_RMII,
665 	ENET_10_RGMII,
666 	ENET_100_MII,
667 	ENET_100_RMII,
668 	ENET_100_RGMII,
669 	ENET_1000_GMII,
670 	ENET_1000_RGMII,
671 	ENET_1000_RGMII_ID,
672 	ENET_1000_RGMII_RXID,
673 	ENET_1000_TBI,
674 	ENET_1000_RTBI,
675 	ENET_1000_SGMII
676 } enet_interface_e;
677 
678 /* UEC initialization info struct
679 */
680 #define STD_UEC_INFO(num) \
681 {			\
682 	.uf_info		= {	\
683 		.ucc_num	= CONFIG_SYS_UEC##num##_UCC_NUM,\
684 		.rx_clock	= CONFIG_SYS_UEC##num##_RX_CLK,	\
685 		.tx_clock	= CONFIG_SYS_UEC##num##_TX_CLK,	\
686 		.eth_type	= CONFIG_SYS_UEC##num##_ETH_TYPE,\
687 	},	\
688 	.num_threads_tx		= UEC_NUM_OF_THREADS_1,	\
689 	.num_threads_rx		= UEC_NUM_OF_THREADS_1,	\
690 	.risc_tx		= QE_RISC_ALLOCATION_RISC1_AND_RISC2, \
691 	.risc_rx		= QE_RISC_ALLOCATION_RISC1_AND_RISC2, \
692 	.tx_bd_ring_len		= 16,	\
693 	.rx_bd_ring_len		= 16,	\
694 	.phy_address		= CONFIG_SYS_UEC##num##_PHY_ADDR, \
695 	.enet_interface		= CONFIG_SYS_UEC##num##_INTERFACE_MODE, \
696 }
697 
698 typedef struct uec_info {
699 	ucc_fast_info_t			uf_info;
700 	uec_num_of_threads_e		num_threads_tx;
701 	uec_num_of_threads_e		num_threads_rx;
702 	unsigned int			risc_tx;
703 	unsigned int			risc_rx;
704 	u16				rx_bd_ring_len;
705 	u16				tx_bd_ring_len;
706 	u8				phy_address;
707 	enet_interface_e		enet_interface;
708 } uec_info_t;
709 
710 /* UEC driver initialized info
711 */
712 #define MAX_RXBUF_LEN			1536
713 #define MAX_FRAME_LEN			1518
714 #define MIN_FRAME_LEN			64
715 #define MAX_DMA1_LEN			1520
716 #define MAX_DMA2_LEN			1520
717 
718 /* UEC driver private struct
719 */
720 typedef struct uec_private {
721 	uec_info_t			*uec_info;
722 	ucc_fast_private_t		*uccf;
723 	struct eth_device		*dev;
724 	uec_t				*uec_regs;
725 	uec_mii_t			*uec_mii_regs;
726 	/* enet init command parameter */
727 	uec_init_cmd_pram_t		*p_init_enet_param;
728 	u32				init_enet_param_offset;
729 	/* Rx and Tx paramter */
730 	uec_rx_global_pram_t		*p_rx_glbl_pram;
731 	u32				rx_glbl_pram_offset;
732 	uec_tx_global_pram_t		*p_tx_glbl_pram;
733 	u32				tx_glbl_pram_offset;
734 	uec_send_queue_mem_region_t	*p_send_q_mem_reg;
735 	u32				send_q_mem_reg_offset;
736 	uec_thread_data_tx_t		*p_thread_data_tx;
737 	u32				thread_dat_tx_offset;
738 	uec_thread_data_rx_t		*p_thread_data_rx;
739 	u32				thread_dat_rx_offset;
740 	uec_rx_bd_queues_entry_t	*p_rx_bd_qs_tbl;
741 	u32				rx_bd_qs_tbl_offset;
742 	/* BDs specific */
743 	u8				*p_tx_bd_ring;
744 	u32				tx_bd_ring_offset;
745 	u8				*p_rx_bd_ring;
746 	u32				rx_bd_ring_offset;
747 	u8				*p_rx_buf;
748 	u32				rx_buf_offset;
749 	volatile qe_bd_t		*txBd;
750 	volatile qe_bd_t		*rxBd;
751 	/* Status */
752 	int				mac_tx_enabled;
753 	int				mac_rx_enabled;
754 	int				grace_stopped_tx;
755 	int				grace_stopped_rx;
756 	int				the_first_run;
757 	/* PHY specific */
758 	struct uec_mii_info		*mii_info;
759 	int				oldspeed;
760 	int				oldduplex;
761 	int				oldlink;
762 } uec_private_t;
763 
764 int uec_initialize(bd_t *bis, uec_info_t *uec_info);
765 int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num);
766 int uec_standard_init(bd_t *bis);
767 #endif /* __UEC_H__ */
768