xref: /openbmc/u-boot/drivers/qe/uec.h (revision 6d0f6bcf)
1 /*
2  * Copyright (C) 2006 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 
51 #define UPSMR_INIT_VALUE	(UPSMR_HSE | UPSMR_RES1)
52 
53 /* UEC MACCFG1 (MAC Configuration 1 Register)
54  */
55 #define MACCFG1_FLOW_RX			0x00000020 /* Flow Control Rx */
56 #define MACCFG1_FLOW_TX			0x00000010 /* Flow Control Tx */
57 #define MACCFG1_ENABLE_SYNCHED_RX	0x00000008 /* Enable Rx Sync  */
58 #define MACCFG1_ENABLE_RX		0x00000004 /* Enable Rx       */
59 #define MACCFG1_ENABLE_SYNCHED_TX	0x00000002 /* Enable Tx Sync  */
60 #define MACCFG1_ENABLE_TX		0x00000001 /* Enable Tx       */
61 
62 #define MACCFG1_INIT_VALUE		(0)
63 
64 /* UEC MACCFG2 (MAC Configuration 2 Register)
65  */
66 #define MACCFG2_PREL				0x00007000
67 #define MACCFG2_PREL_SHIFT			(31 - 19)
68 #define MACCFG2_PREL_MASK			0x0000f000
69 #define MACCFG2_SRP				0x00000080
70 #define MACCFG2_STP				0x00000040
71 #define MACCFG2_RESERVED_1			0x00000020 /* must be set  */
72 #define MACCFG2_LC				0x00000010 /* Length Check */
73 #define MACCFG2_MPE				0x00000008
74 #define MACCFG2_FDX				0x00000001 /* Full Duplex  */
75 #define MACCFG2_FDX_MASK			0x00000001
76 #define MACCFG2_PAD_CRC				0x00000004
77 #define MACCFG2_CRC_EN				0x00000002
78 #define MACCFG2_PAD_AND_CRC_MODE_NONE		0x00000000
79 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY	0x00000002
80 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC	0x00000004
81 #define MACCFG2_INTERFACE_MODE_NIBBLE		0x00000100
82 #define MACCFG2_INTERFACE_MODE_BYTE		0x00000200
83 #define MACCFG2_INTERFACE_MODE_MASK		0x00000300
84 
85 #define MACCFG2_INIT_VALUE	(MACCFG2_PREL | MACCFG2_RESERVED_1 | \
86 				 MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX)
87 
88 /* UEC Event Register
89 */
90 #define UCCE_MPD				0x80000000
91 #define UCCE_SCAR				0x40000000
92 #define UCCE_GRA				0x20000000
93 #define UCCE_CBPR				0x10000000
94 #define UCCE_BSY				0x08000000
95 #define UCCE_RXC				0x04000000
96 #define UCCE_TXC				0x02000000
97 #define UCCE_TXE				0x01000000
98 #define UCCE_TXB7				0x00800000
99 #define UCCE_TXB6				0x00400000
100 #define UCCE_TXB5				0x00200000
101 #define UCCE_TXB4				0x00100000
102 #define UCCE_TXB3				0x00080000
103 #define UCCE_TXB2				0x00040000
104 #define UCCE_TXB1				0x00020000
105 #define UCCE_TXB0				0x00010000
106 #define UCCE_RXB7				0x00008000
107 #define UCCE_RXB6				0x00004000
108 #define UCCE_RXB5				0x00002000
109 #define UCCE_RXB4				0x00001000
110 #define UCCE_RXB3				0x00000800
111 #define UCCE_RXB2				0x00000400
112 #define UCCE_RXB1				0x00000200
113 #define UCCE_RXB0				0x00000100
114 #define UCCE_RXF7				0x00000080
115 #define UCCE_RXF6				0x00000040
116 #define UCCE_RXF5				0x00000020
117 #define UCCE_RXF4				0x00000010
118 #define UCCE_RXF3				0x00000008
119 #define UCCE_RXF2				0x00000004
120 #define UCCE_RXF1				0x00000002
121 #define UCCE_RXF0				0x00000001
122 
123 #define UCCE_TXB	(UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \
124 			 UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
125 #define UCCE_RXB	(UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \
126 			 UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
127 #define UCCE_RXF	(UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \
128 			 UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
129 #define UCCE_OTHER	(UCCE_SCAR | UCCE_GRA  | UCCE_CBPR | UCCE_BSY  | \
130 			 UCCE_RXC  | UCCE_TXC  | UCCE_TXE)
131 
132 /* UEC TEMODR Register
133 */
134 #define TEMODER_SCHEDULER_ENABLE		0x2000
135 #define TEMODER_IP_CHECKSUM_GENERATE		0x0400
136 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1	0x0200
137 #define TEMODER_RMON_STATISTICS			0x0100
138 #define TEMODER_NUM_OF_QUEUES_SHIFT		(15-15)
139 
140 #define TEMODER_INIT_VALUE			0xc000
141 
142 /* UEC REMODR Register
143 */
144 #define REMODER_RX_RMON_STATISTICS_ENABLE	0x00001000
145 #define REMODER_RX_EXTENDED_FEATURES		0x80000000
146 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT	(31-9 )
147 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT	(31-10)
148 #define REMODER_RX_QOS_MODE_SHIFT		(31-15)
149 #define REMODER_RMON_STATISTICS			0x00001000
150 #define REMODER_RX_EXTENDED_FILTERING		0x00000800
151 #define REMODER_NUM_OF_QUEUES_SHIFT		(31-23)
152 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH	0x00000008
153 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH	0x00000004
154 #define REMODER_IP_CHECKSUM_CHECK		0x00000002
155 #define REMODER_IP_ADDRESS_ALIGNMENT		0x00000001
156 
157 #define REMODER_INIT_VALUE			0
158 
159 /* BMRx - Bus Mode Register */
160 #define BMR_GLB					0x20
161 #define BMR_BO_BE				0x10
162 #define BMR_DTB_SECONDARY_BUS			0x02
163 #define BMR_BDB_SECONDARY_BUS			0x01
164 
165 #define BMR_SHIFT				24
166 #define BMR_INIT_VALUE				(BMR_GLB | BMR_BO_BE)
167 
168 /* UEC UCCS (Ethernet Status Register)
169  */
170 #define UCCS_BPR				0x02
171 #define UCCS_PAU				0x02
172 #define UCCS_MPD				0x01
173 
174 /* UEC MIIMCFG (MII Management Configuration Register)
175  */
176 #define MIIMCFG_RESET_MANAGEMENT		0x80000000
177 #define MIIMCFG_NO_PREAMBLE			0x00000010
178 #define MIIMCFG_CLOCK_DIVIDE_SHIFT		(31 - 31)
179 #define MIIMCFG_CLOCK_DIVIDE_MASK		0x0000000f
180 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4	0x00000001
181 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6	0x00000002
182 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8	0x00000003
183 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10	0x00000004
184 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14	0x00000005
185 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20	0x00000006
186 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28	0x00000007
187 
188 #define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE	\
189 	MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10
190 
191 /* UEC MIIMCOM (MII Management Command Register)
192  */
193 #define MIIMCOM_SCAN_CYCLE			0x00000002 /* Scan cycle */
194 #define MIIMCOM_READ_CYCLE			0x00000001 /* Read cycle */
195 
196 /* UEC MIIMADD (MII Management Address Register)
197  */
198 #define MIIMADD_PHY_ADDRESS_SHIFT		(31 - 23)
199 #define MIIMADD_PHY_REGISTER_SHIFT		(31 - 31)
200 
201 /* UEC MIIMCON (MII Management Control Register)
202  */
203 #define MIIMCON_PHY_CONTROL_SHIFT		(31 - 31)
204 #define MIIMCON_PHY_STATUS_SHIFT		(31 - 31)
205 
206 /* UEC MIIMIND (MII Management Indicator Register)
207  */
208 #define MIIMIND_NOT_VALID			0x00000004
209 #define MIIMIND_SCAN				0x00000002
210 #define MIIMIND_BUSY				0x00000001
211 
212 /* UEC UTBIPAR (Ten Bit Interface Physical Address Register)
213  */
214 #define UTBIPAR_PHY_ADDRESS_SHIFT		(31 - 31)
215 #define UTBIPAR_PHY_ADDRESS_MASK		0x0000001f
216 
217 /* UEC UESCR (Ethernet Statistics Control Register)
218  */
219 #define UESCR_AUTOZ				0x8000
220 #define UESCR_CLRCNT				0x4000
221 #define UESCR_MAXCOV_SHIFT			(15 -  7)
222 #define UESCR_SCOV_SHIFT			(15 - 15)
223 
224 /****** Tx data struct collection ******/
225 /* Tx thread data, each Tx thread has one this struct.
226 */
227 typedef struct uec_thread_data_tx {
228 	u8   res0[136];
229 } __attribute__ ((packed)) uec_thread_data_tx_t;
230 
231 /* Tx thread parameter, each Tx thread has one this struct.
232 */
233 typedef struct uec_thread_tx_pram {
234 	u8   res0[64];
235 } __attribute__ ((packed)) uec_thread_tx_pram_t;
236 
237 /* Send queue queue-descriptor, each Tx queue has one this QD
238 */
239 typedef struct uec_send_queue_qd {
240 	u32    bd_ring_base; /* pointer to BD ring base address */
241 	u8     res0[0x8];
242 	u32    last_bd_completed_address; /* last entry in BD ring */
243 	u8     res1[0x30];
244 } __attribute__ ((packed)) uec_send_queue_qd_t;
245 
246 /* Send queue memory region */
247 typedef struct uec_send_queue_mem_region {
248 	uec_send_queue_qd_t   sqqd[MAX_TX_QUEUES];
249 } __attribute__ ((packed)) uec_send_queue_mem_region_t;
250 
251 /* Scheduler struct
252 */
253 typedef struct uec_scheduler {
254 	u16  cpucount0;        /* CPU packet counter */
255 	u16  cpucount1;        /* CPU packet counter */
256 	u16  cecount0;         /* QE  packet counter */
257 	u16  cecount1;         /* QE  packet counter */
258 	u16  cpucount2;        /* CPU packet counter */
259 	u16  cpucount3;        /* CPU packet counter */
260 	u16  cecount2;         /* QE  packet counter */
261 	u16  cecount3;         /* QE  packet counter */
262 	u16  cpucount4;        /* CPU packet counter */
263 	u16  cpucount5;        /* CPU packet counter */
264 	u16  cecount4;         /* QE  packet counter */
265 	u16  cecount5;         /* QE  packet counter */
266 	u16  cpucount6;        /* CPU packet counter */
267 	u16  cpucount7;        /* CPU packet counter */
268 	u16  cecount6;         /* QE  packet counter */
269 	u16  cecount7;         /* QE  packet counter */
270 	u32  weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */
271 	u32  rtsrshadow;       /* temporary variable handled by QE */
272 	u32  time;             /* temporary variable handled by QE */
273 	u32  ttl;              /* temporary variable handled by QE */
274 	u32  mblinterval;      /* max burst length interval        */
275 	u16  nortsrbytetime;   /* normalized value of byte time in tsr units */
276 	u8   fracsiz;
277 	u8   res0[1];
278 	u8   strictpriorityq;  /* Strict Priority Mask register */
279 	u8   txasap;           /* Transmit ASAP register        */
280 	u8   extrabw;          /* Extra BandWidth register      */
281 	u8   oldwfqmask;       /* temporary variable handled by QE */
282 	u8   weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */
283 	u32  minw;             /* temporary variable handled by QE */
284 	u8   res1[0x70-0x64];
285 } __attribute__ ((packed)) uec_scheduler_t;
286 
287 /* Tx firmware counters
288 */
289 typedef struct uec_tx_firmware_statistics_pram {
290 	u32  sicoltx;            /* single collision */
291 	u32  mulcoltx;           /* multiple collision */
292 	u32  latecoltxfr;        /* late collision */
293 	u32  frabortduecol;      /* frames aborted due to tx collision */
294 	u32  frlostinmactxer;    /* frames lost due to internal MAC error tx */
295 	u32  carriersenseertx;   /* carrier sense error */
296 	u32  frtxok;             /* frames transmitted OK */
297 	u32  txfrexcessivedefer;
298 	u32  txpkts256;          /* total packets(including bad) 256~511 B */
299 	u32  txpkts512;          /* total packets(including bad) 512~1023B */
300 	u32  txpkts1024;         /* total packets(including bad) 1024~1518B */
301 	u32  txpktsjumbo;        /* total packets(including bad)  >1024 */
302 } __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t;
303 
304 /* Tx global parameter table
305 */
306 typedef struct uec_tx_global_pram {
307 	u16  temoder;
308 	u8   res0[0x38-0x02];
309 	u32  sqptr;
310 	u32  schedulerbasepointer;
311 	u32  txrmonbaseptr;
312 	u32  tstate;
313 	u8   iphoffset[MAX_IPH_OFFSET_ENTRY];
314 	u32  vtagtable[0x8];
315 	u32  tqptr;
316 	u8   res2[0x80-0x74];
317 } __attribute__ ((packed)) uec_tx_global_pram_t;
318 
319 
320 /****** Rx data struct collection ******/
321 /* Rx thread data, each Rx thread has one this struct.
322 */
323 typedef struct uec_thread_data_rx {
324 	u8   res0[40];
325 } __attribute__ ((packed)) uec_thread_data_rx_t;
326 
327 /* Rx thread parameter, each Rx thread has one this struct.
328 */
329 typedef struct uec_thread_rx_pram {
330 	u8   res0[128];
331 } __attribute__ ((packed)) uec_thread_rx_pram_t;
332 
333 /* Rx firmware counters
334 */
335 typedef struct uec_rx_firmware_statistics_pram {
336 	u32   frrxfcser;         /* frames with crc error */
337 	u32   fraligner;         /* frames with alignment error */
338 	u32   inrangelenrxer;    /* in range length error */
339 	u32   outrangelenrxer;   /* out of range length error */
340 	u32   frtoolong;         /* frame too long */
341 	u32   runt;              /* runt */
342 	u32   verylongevent;     /* very long event */
343 	u32   symbolerror;       /* symbol error */
344 	u32   dropbsy;           /* drop because of BD not ready */
345 	u8    res0[0x8];
346 	u32   mismatchdrop;      /* drop because of MAC filtering */
347 	u32   underpkts;         /* total frames less than 64 octets */
348 	u32   pkts256;           /* total frames(including bad)256~511 B */
349 	u32   pkts512;           /* total frames(including bad)512~1023 B */
350 	u32   pkts1024;          /* total frames(including bad)1024~1518 B */
351 	u32   pktsjumbo;         /* total frames(including bad) >1024 B */
352 	u32   frlossinmacer;
353 	u32   pausefr;           /* pause frames */
354 	u8    res1[0x4];
355 	u32   removevlan;
356 	u32   replacevlan;
357 	u32   insertvlan;
358 } __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t;
359 
360 /* Rx interrupt coalescing entry, each Rx queue has one this entry.
361 */
362 typedef struct uec_rx_interrupt_coalescing_entry {
363 	u32   maxvalue;
364 	u32   counter;
365 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t;
366 
367 typedef struct uec_rx_interrupt_coalescing_table {
368 	uec_rx_interrupt_coalescing_entry_t   entry[MAX_RX_QUEUES];
369 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t;
370 
371 /* RxBD queue entry, each Rx queue has one this entry.
372 */
373 typedef struct uec_rx_bd_queues_entry {
374 	u32   bdbaseptr;         /* BD base pointer          */
375 	u32   bdptr;             /* BD pointer               */
376 	u32   externalbdbaseptr; /* external BD base pointer */
377 	u32   externalbdptr;     /* external BD pointer      */
378 } __attribute__ ((packed)) uec_rx_bd_queues_entry_t;
379 
380 /* Rx global paramter table
381 */
382 typedef struct uec_rx_global_pram {
383 	u32  remoder;             /* ethernet mode reg. */
384 	u32  rqptr;               /* base pointer to the Rx Queues */
385 	u32  res0[0x1];
386 	u8   res1[0x20-0xC];
387 	u16  typeorlen;
388 	u8   res2[0x1];
389 	u8   rxgstpack;           /* ack on GRACEFUL STOP RX command */
390 	u32  rxrmonbaseptr;       /* Rx RMON statistics base */
391 	u8   res3[0x30-0x28];
392 	u32  intcoalescingptr;    /* Interrupt coalescing table pointer */
393 	u8   res4[0x36-0x34];
394 	u8   rstate;
395 	u8   res5[0x46-0x37];
396 	u16  mrblr;               /* max receive buffer length reg. */
397 	u32  rbdqptr;             /* RxBD parameter table description */
398 	u16  mflr;                /* max frame length reg. */
399 	u16  minflr;              /* min frame length reg. */
400 	u16  maxd1;               /* max dma1 length reg. */
401 	u16  maxd2;               /* max dma2 length reg. */
402 	u32  ecamptr;             /* external CAM address */
403 	u32  l2qt;                /* VLAN priority mapping table. */
404 	u32  l3qt[0x8];           /* IP   priority mapping table. */
405 	u16  vlantype;            /* vlan type */
406 	u16  vlantci;             /* default vlan tci */
407 	u8   addressfiltering[64];/* address filtering data structure */
408 	u32  exfGlobalParam;      /* extended filtering global parameters */
409 	u8   res6[0x100-0xC4];    /* Initialize to zero */
410 } __attribute__ ((packed)) uec_rx_global_pram_t;
411 
412 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
413 
414 
415 /****** UEC common ******/
416 /* UCC statistics - hardware counters
417 */
418 typedef struct uec_hardware_statistics {
419 	u32 tx64;
420 	u32 tx127;
421 	u32 tx255;
422 	u32 rx64;
423 	u32 rx127;
424 	u32 rx255;
425 	u32 txok;
426 	u16 txcf;
427 	u32 tmca;
428 	u32 tbca;
429 	u32 rxfok;
430 	u32 rxbok;
431 	u32 rbyt;
432 	u32 rmca;
433 	u32 rbca;
434 } __attribute__ ((packed)) uec_hardware_statistics_t;
435 
436 /* InitEnet command parameter
437 */
438 typedef struct uec_init_cmd_pram {
439 	u8   resinit0;
440 	u8   resinit1;
441 	u8   resinit2;
442 	u8   resinit3;
443 	u16  resinit4;
444 	u8   res1[0x1];
445 	u8   largestexternallookupkeysize;
446 	u32  rgftgfrxglobal;
447 	u32  rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */
448 	u8   res2[0x38 - 0x30];
449 	u32  txglobal;				   /* tx global  */
450 	u32  txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */
451 	u8   res3[0x1];
452 } __attribute__ ((packed)) uec_init_cmd_pram_t;
453 
454 #define ENET_INIT_PARAM_RGF_SHIFT		(32 - 4)
455 #define ENET_INIT_PARAM_TGF_SHIFT		(32 - 8)
456 
457 #define ENET_INIT_PARAM_RISC_MASK		0x0000003f
458 #define ENET_INIT_PARAM_PTR_MASK		0x00ffffc0
459 #define ENET_INIT_PARAM_SNUM_MASK		0xff000000
460 #define ENET_INIT_PARAM_SNUM_SHIFT		24
461 
462 #define ENET_INIT_PARAM_MAGIC_RES_INIT0		0x06
463 #define ENET_INIT_PARAM_MAGIC_RES_INIT1		0x30
464 #define ENET_INIT_PARAM_MAGIC_RES_INIT2		0xff
465 #define ENET_INIT_PARAM_MAGIC_RES_INIT3		0x00
466 #define ENET_INIT_PARAM_MAGIC_RES_INIT4		0x0400
467 
468 /* structure representing 82xx Address Filtering Enet Address in PRAM
469 */
470 typedef struct uec_82xx_enet_address {
471 	u8   res1[0x2];
472 	u16  h;       /* address (MSB) */
473 	u16  m;       /* address       */
474 	u16  l;       /* address (LSB) */
475 } __attribute__ ((packed)) uec_82xx_enet_address_t;
476 
477 /* structure representing 82xx Address Filtering PRAM
478 */
479 typedef struct uec_82xx_address_filtering_pram {
480 	u32  iaddr_h;        /* individual address filter, high */
481 	u32  iaddr_l;        /* individual address filter, low  */
482 	u32  gaddr_h;        /* group address filter, high      */
483 	u32  gaddr_l;        /* group address filter, low       */
484 	uec_82xx_enet_address_t    taddr;
485 	uec_82xx_enet_address_t    paddr[4];
486 	u8                         res0[0x40-0x38];
487 } __attribute__ ((packed)) uec_82xx_address_filtering_pram_t;
488 
489 /* Buffer Descriptor
490 */
491 typedef struct buffer_descriptor {
492 	u16 status;
493 	u16 len;
494 	u32 data;
495 } __attribute__ ((packed)) qe_bd_t, *p_bd_t;
496 
497 #define	SIZEOFBD		sizeof(qe_bd_t)
498 
499 /* Common BD flags
500 */
501 #define BD_WRAP			0x2000
502 #define BD_INT			0x1000
503 #define BD_LAST			0x0800
504 #define BD_CLEAN		0x3000
505 
506 /* TxBD status flags
507 */
508 #define TxBD_READY		0x8000
509 #define TxBD_PADCRC		0x4000
510 #define TxBD_WRAP		BD_WRAP
511 #define TxBD_INT		BD_INT
512 #define TxBD_LAST		BD_LAST
513 #define TxBD_TXCRC		0x0400
514 #define TxBD_DEF		0x0200
515 #define TxBD_PP			0x0100
516 #define TxBD_LC			0x0080
517 #define TxBD_RL			0x0040
518 #define TxBD_RC			0x003C
519 #define TxBD_UNDERRUN		0x0002
520 #define TxBD_TRUNC		0x0001
521 
522 #define TxBD_ERROR		(TxBD_UNDERRUN | TxBD_TRUNC)
523 
524 /* RxBD status flags
525 */
526 #define RxBD_EMPTY		0x8000
527 #define RxBD_OWNER		0x4000
528 #define RxBD_WRAP		BD_WRAP
529 #define RxBD_INT		BD_INT
530 #define RxBD_LAST		BD_LAST
531 #define RxBD_FIRST		0x0400
532 #define RxBD_CMR		0x0200
533 #define RxBD_MISS		0x0100
534 #define RxBD_BCAST		0x0080
535 #define RxBD_MCAST		0x0040
536 #define RxBD_LG			0x0020
537 #define RxBD_NO			0x0010
538 #define RxBD_SHORT		0x0008
539 #define RxBD_CRCERR		0x0004
540 #define RxBD_OVERRUN		0x0002
541 #define RxBD_IPCH		0x0001
542 
543 #define RxBD_ERROR		(RxBD_LG | RxBD_NO | RxBD_SHORT | \
544 				 RxBD_CRCERR | RxBD_OVERRUN)
545 
546 /* BD access macros
547 */
548 #define BD_STATUS(_bd)			(((p_bd_t)(_bd))->status)
549 #define BD_STATUS_SET(_bd, _val)	(((p_bd_t)(_bd))->status = _val)
550 #define BD_LENGTH(_bd)			(((p_bd_t)(_bd))->len)
551 #define BD_LENGTH_SET(_bd, _val)	(((p_bd_t)(_bd))->len = _val)
552 #define BD_DATA_CLEAR(_bd)		(((p_bd_t)(_bd))->data = 0)
553 #define BD_IS_DATA(_bd)			(((p_bd_t)(_bd))->data)
554 #define BD_DATA(_bd)			((u8 *)(((p_bd_t)(_bd))->data))
555 #define BD_DATA_SET(_bd, _data)		(((p_bd_t)(_bd))->data = (u32)(_data))
556 #define BD_ADVANCE(_bd,_status,_base)	\
557 	(((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd))
558 
559 /* Rx Prefetched BDs
560 */
561 typedef struct uec_rx_prefetched_bds {
562     qe_bd_t   bd[MAX_PREFETCHED_BDS]; /* prefetched bd */
563 } __attribute__ ((packed)) uec_rx_prefetched_bds_t;
564 
565 /* Alignments
566  */
567 #define UEC_RX_GLOBAL_PRAM_ALIGNMENT				64
568 #define UEC_TX_GLOBAL_PRAM_ALIGNMENT				64
569 #define UEC_THREAD_RX_PRAM_ALIGNMENT				128
570 #define UEC_THREAD_TX_PRAM_ALIGNMENT				64
571 #define UEC_THREAD_DATA_ALIGNMENT				256
572 #define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT		32
573 #define UEC_SCHEDULER_ALIGNMENT					4
574 #define UEC_TX_STATISTICS_ALIGNMENT				4
575 #define UEC_RX_STATISTICS_ALIGNMENT				4
576 #define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT			4
577 #define UEC_RX_BD_QUEUES_ALIGNMENT				8
578 #define UEC_RX_PREFETCHED_BDS_ALIGNMENT				128
579 #define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT	4
580 #define UEC_RX_BD_RING_ALIGNMENT				32
581 #define UEC_TX_BD_RING_ALIGNMENT				32
582 #define UEC_MRBLR_ALIGNMENT					128
583 #define UEC_RX_BD_RING_SIZE_ALIGNMENT				4
584 #define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT			32
585 #define UEC_RX_DATA_BUF_ALIGNMENT				64
586 
587 #define UEC_VLAN_PRIORITY_MAX					8
588 #define UEC_IP_PRIORITY_MAX					64
589 #define UEC_TX_VTAG_TABLE_ENTRY_MAX				8
590 #define UEC_RX_BD_RING_SIZE_MIN					8
591 #define UEC_TX_BD_RING_SIZE_MIN					2
592 
593 /* Ethernet speed
594 */
595 typedef enum enet_speed {
596 	ENET_SPEED_10BT,   /* 10 Base T */
597 	ENET_SPEED_100BT,  /* 100 Base T */
598 	ENET_SPEED_1000BT  /* 1000 Base T */
599 } enet_speed_e;
600 
601 /* Ethernet Address Type.
602 */
603 typedef enum enet_addr_type {
604 	ENET_ADDR_TYPE_INDIVIDUAL,
605 	ENET_ADDR_TYPE_GROUP,
606 	ENET_ADDR_TYPE_BROADCAST
607 } enet_addr_type_e;
608 
609 /* TBI / MII Set Register
610 */
611 typedef enum enet_tbi_mii_reg {
612 	ENET_TBI_MII_CR        = 0x00,
613 	ENET_TBI_MII_SR        = 0x01,
614 	ENET_TBI_MII_ANA       = 0x04,
615 	ENET_TBI_MII_ANLPBPA   = 0x05,
616 	ENET_TBI_MII_ANEX      = 0x06,
617 	ENET_TBI_MII_ANNPT     = 0x07,
618 	ENET_TBI_MII_ANLPANP   = 0x08,
619 	ENET_TBI_MII_EXST      = 0x0F,
620 	ENET_TBI_MII_JD        = 0x10,
621 	ENET_TBI_MII_TBICON    = 0x11
622 } enet_tbi_mii_reg_e;
623 
624 /* UEC number of threads
625 */
626 typedef enum uec_num_of_threads {
627 	UEC_NUM_OF_THREADS_1  = 0x1,  /* 1 */
628 	UEC_NUM_OF_THREADS_2  = 0x2,  /* 2 */
629 	UEC_NUM_OF_THREADS_4  = 0x0,  /* 4 */
630 	UEC_NUM_OF_THREADS_6  = 0x3,  /* 6 */
631 	UEC_NUM_OF_THREADS_8  = 0x4   /* 8 */
632 } uec_num_of_threads_e;
633 
634 /* UEC ethernet interface type
635 */
636 typedef enum enet_interface {
637 	ENET_10_MII,
638 	ENET_10_RMII,
639 	ENET_10_RGMII,
640 	ENET_100_MII,
641 	ENET_100_RMII,
642 	ENET_100_RGMII,
643 	ENET_1000_GMII,
644 	ENET_1000_RGMII,
645 	ENET_1000_RGMII_ID,
646 	ENET_1000_RGMII_RXID,
647 	ENET_1000_TBI,
648 	ENET_1000_RTBI
649 } enet_interface_e;
650 
651 /* UEC initialization info struct
652 */
653 typedef struct uec_info {
654 	ucc_fast_info_t			uf_info;
655 	uec_num_of_threads_e		num_threads_tx;
656 	uec_num_of_threads_e		num_threads_rx;
657 	qe_risc_allocation_e		riscTx;
658 	qe_risc_allocation_e		riscRx;
659 	u16				rx_bd_ring_len;
660 	u16				tx_bd_ring_len;
661 	u8				phy_address;
662 	enet_interface_e		enet_interface;
663 } uec_info_t;
664 
665 /* UEC driver initialized info
666 */
667 #define MAX_RXBUF_LEN			1536
668 #define MAX_FRAME_LEN			1518
669 #define MIN_FRAME_LEN			64
670 #define MAX_DMA1_LEN			1520
671 #define MAX_DMA2_LEN			1520
672 
673 /* UEC driver private struct
674 */
675 typedef struct uec_private {
676 	uec_info_t			*uec_info;
677 	ucc_fast_private_t		*uccf;
678 	struct eth_device		*dev;
679 	uec_t				*uec_regs;
680 	uec_mii_t			*uec_mii_regs;
681 	/* enet init command parameter */
682 	uec_init_cmd_pram_t		*p_init_enet_param;
683 	u32				init_enet_param_offset;
684 	/* Rx and Tx paramter */
685 	uec_rx_global_pram_t		*p_rx_glbl_pram;
686 	u32				rx_glbl_pram_offset;
687 	uec_tx_global_pram_t		*p_tx_glbl_pram;
688 	u32				tx_glbl_pram_offset;
689 	uec_send_queue_mem_region_t	*p_send_q_mem_reg;
690 	u32				send_q_mem_reg_offset;
691 	uec_thread_data_tx_t		*p_thread_data_tx;
692 	u32				thread_dat_tx_offset;
693 	uec_thread_data_rx_t		*p_thread_data_rx;
694 	u32				thread_dat_rx_offset;
695 	uec_rx_bd_queues_entry_t	*p_rx_bd_qs_tbl;
696 	u32				rx_bd_qs_tbl_offset;
697 	/* BDs specific */
698 	u8				*p_tx_bd_ring;
699 	u32				tx_bd_ring_offset;
700 	u8				*p_rx_bd_ring;
701 	u32				rx_bd_ring_offset;
702 	u8				*p_rx_buf;
703 	u32				rx_buf_offset;
704 	volatile qe_bd_t		*txBd;
705 	volatile qe_bd_t		*rxBd;
706 	/* Status */
707 	int				mac_tx_enabled;
708 	int				mac_rx_enabled;
709 	int				grace_stopped_tx;
710 	int				grace_stopped_rx;
711 	int				the_first_run;
712 	/* PHY specific */
713 	struct uec_mii_info		*mii_info;
714 	int				oldspeed;
715 	int				oldduplex;
716 	int				oldlink;
717 } uec_private_t;
718 
719 #endif /* __UEC_H__ */
720