xref: /openbmc/u-boot/drivers/qe/uec.h (revision 15855700)
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 #include "qe.h"
27 #include "uccf.h"
28 
29 #define MAX_TX_THREADS				8
30 #define MAX_RX_THREADS				8
31 #define MAX_TX_QUEUES				8
32 #define MAX_RX_QUEUES				8
33 #define MAX_PREFETCHED_BDS			4
34 #define MAX_IPH_OFFSET_ENTRY			8
35 #define MAX_ENET_INIT_PARAM_ENTRIES_RX		9
36 #define MAX_ENET_INIT_PARAM_ENTRIES_TX		8
37 
38 /* UEC UPSMR (Protocol Specific Mode Register)
39  */
40 #define UPSMR_ECM	0x04000000 /* Enable CAM Miss               */
41 #define UPSMR_HSE	0x02000000 /* Hardware Statistics Enable    */
42 #define UPSMR_PRO	0x00400000 /* Promiscuous                   */
43 #define UPSMR_CAP	0x00200000 /* CAM polarity                  */
44 #define UPSMR_RSH	0x00100000 /* Receive Short Frames          */
45 #define UPSMR_RPM	0x00080000 /* Reduced Pin Mode interfaces   */
46 #define UPSMR_R10M	0x00040000 /* RGMII/RMII 10 Mode            */
47 #define UPSMR_RLPB	0x00020000 /* RMII Loopback Mode            */
48 #define UPSMR_TBIM	0x00010000 /* Ten-bit Interface Mode        */
49 #define UPSMR_RMM	0x00001000 /* RMII/RGMII Mode               */
50 #define UPSMR_CAM	0x00000400 /* CAM Address Matching          */
51 #define UPSMR_BRO	0x00000200 /* Broadcast Address             */
52 #define UPSMR_RES1	0x00002000 /* Reserved feild - must be 1    */
53 #define UPSMR_SGMM	0x00000020 /* SGMII mode    */
54 
55 #define UPSMR_INIT_VALUE	(UPSMR_HSE | UPSMR_RES1)
56 
57 /* UEC MACCFG1 (MAC Configuration 1 Register)
58  */
59 #define MACCFG1_FLOW_RX			0x00000020 /* Flow Control Rx */
60 #define MACCFG1_FLOW_TX			0x00000010 /* Flow Control Tx */
61 #define MACCFG1_ENABLE_SYNCHED_RX	0x00000008 /* Enable Rx Sync  */
62 #define MACCFG1_ENABLE_RX		0x00000004 /* Enable Rx       */
63 #define MACCFG1_ENABLE_SYNCHED_TX	0x00000002 /* Enable Tx Sync  */
64 #define MACCFG1_ENABLE_TX		0x00000001 /* Enable Tx       */
65 
66 #define MACCFG1_INIT_VALUE		(0)
67 
68 /* UEC MACCFG2 (MAC Configuration 2 Register)
69  */
70 #define MACCFG2_PREL				0x00007000
71 #define MACCFG2_PREL_SHIFT			(31 - 19)
72 #define MACCFG2_PREL_MASK			0x0000f000
73 #define MACCFG2_SRP				0x00000080
74 #define MACCFG2_STP				0x00000040
75 #define MACCFG2_RESERVED_1			0x00000020 /* must be set  */
76 #define MACCFG2_LC				0x00000010 /* Length Check */
77 #define MACCFG2_MPE				0x00000008
78 #define MACCFG2_FDX				0x00000001 /* Full Duplex  */
79 #define MACCFG2_FDX_MASK			0x00000001
80 #define MACCFG2_PAD_CRC				0x00000004
81 #define MACCFG2_CRC_EN				0x00000002
82 #define MACCFG2_PAD_AND_CRC_MODE_NONE		0x00000000
83 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY	0x00000002
84 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC	0x00000004
85 #define MACCFG2_INTERFACE_MODE_NIBBLE		0x00000100
86 #define MACCFG2_INTERFACE_MODE_BYTE		0x00000200
87 #define MACCFG2_INTERFACE_MODE_MASK		0x00000300
88 
89 #define MACCFG2_INIT_VALUE	(MACCFG2_PREL | MACCFG2_RESERVED_1 | \
90 				 MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX)
91 
92 /* UEC Event Register
93 */
94 #define UCCE_MPD				0x80000000
95 #define UCCE_SCAR				0x40000000
96 #define UCCE_GRA				0x20000000
97 #define UCCE_CBPR				0x10000000
98 #define UCCE_BSY				0x08000000
99 #define UCCE_RXC				0x04000000
100 #define UCCE_TXC				0x02000000
101 #define UCCE_TXE				0x01000000
102 #define UCCE_TXB7				0x00800000
103 #define UCCE_TXB6				0x00400000
104 #define UCCE_TXB5				0x00200000
105 #define UCCE_TXB4				0x00100000
106 #define UCCE_TXB3				0x00080000
107 #define UCCE_TXB2				0x00040000
108 #define UCCE_TXB1				0x00020000
109 #define UCCE_TXB0				0x00010000
110 #define UCCE_RXB7				0x00008000
111 #define UCCE_RXB6				0x00004000
112 #define UCCE_RXB5				0x00002000
113 #define UCCE_RXB4				0x00001000
114 #define UCCE_RXB3				0x00000800
115 #define UCCE_RXB2				0x00000400
116 #define UCCE_RXB1				0x00000200
117 #define UCCE_RXB0				0x00000100
118 #define UCCE_RXF7				0x00000080
119 #define UCCE_RXF6				0x00000040
120 #define UCCE_RXF5				0x00000020
121 #define UCCE_RXF4				0x00000010
122 #define UCCE_RXF3				0x00000008
123 #define UCCE_RXF2				0x00000004
124 #define UCCE_RXF1				0x00000002
125 #define UCCE_RXF0				0x00000001
126 
127 #define UCCE_TXB	(UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \
128 			 UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
129 #define UCCE_RXB	(UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \
130 			 UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
131 #define UCCE_RXF	(UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \
132 			 UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
133 #define UCCE_OTHER	(UCCE_SCAR | UCCE_GRA  | UCCE_CBPR | UCCE_BSY  | \
134 			 UCCE_RXC  | UCCE_TXC  | UCCE_TXE)
135 
136 /* UEC TEMODR Register
137 */
138 #define TEMODER_SCHEDULER_ENABLE		0x2000
139 #define TEMODER_IP_CHECKSUM_GENERATE		0x0400
140 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1	0x0200
141 #define TEMODER_RMON_STATISTICS			0x0100
142 #define TEMODER_NUM_OF_QUEUES_SHIFT		(15-15)
143 
144 #define TEMODER_INIT_VALUE			0xc000
145 
146 /* UEC REMODR Register
147 */
148 #define REMODER_RX_RMON_STATISTICS_ENABLE	0x00001000
149 #define REMODER_RX_EXTENDED_FEATURES		0x80000000
150 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT	(31-9 )
151 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT	(31-10)
152 #define REMODER_RX_QOS_MODE_SHIFT		(31-15)
153 #define REMODER_RMON_STATISTICS			0x00001000
154 #define REMODER_RX_EXTENDED_FILTERING		0x00000800
155 #define REMODER_NUM_OF_QUEUES_SHIFT		(31-23)
156 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH	0x00000008
157 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH	0x00000004
158 #define REMODER_IP_CHECKSUM_CHECK		0x00000002
159 #define REMODER_IP_ADDRESS_ALIGNMENT		0x00000001
160 
161 #define REMODER_INIT_VALUE			0
162 
163 /* BMRx - Bus Mode Register */
164 #define BMR_GLB					0x20
165 #define BMR_BO_BE				0x10
166 #define BMR_DTB_SECONDARY_BUS			0x02
167 #define BMR_BDB_SECONDARY_BUS			0x01
168 
169 #define BMR_SHIFT				24
170 #define BMR_INIT_VALUE				(BMR_GLB | BMR_BO_BE)
171 
172 /* UEC UCCS (Ethernet Status Register)
173  */
174 #define UCCS_BPR				0x02
175 #define UCCS_PAU				0x02
176 #define UCCS_MPD				0x01
177 
178 /* UEC MIIMCFG (MII Management Configuration Register)
179  */
180 #define MIIMCFG_RESET_MANAGEMENT		0x80000000
181 #define MIIMCFG_NO_PREAMBLE			0x00000010
182 #define MIIMCFG_CLOCK_DIVIDE_SHIFT		(31 - 31)
183 #define MIIMCFG_CLOCK_DIVIDE_MASK		0x0000000f
184 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4	0x00000001
185 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6	0x00000002
186 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8	0x00000003
187 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10	0x00000004
188 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14	0x00000005
189 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20	0x00000006
190 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28	0x00000007
191 
192 #define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE	\
193 	MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10
194 
195 /* UEC MIIMCOM (MII Management Command Register)
196  */
197 #define MIIMCOM_SCAN_CYCLE			0x00000002 /* Scan cycle */
198 #define MIIMCOM_READ_CYCLE			0x00000001 /* Read cycle */
199 
200 /* UEC MIIMADD (MII Management Address Register)
201  */
202 #define MIIMADD_PHY_ADDRESS_SHIFT		(31 - 23)
203 #define MIIMADD_PHY_REGISTER_SHIFT		(31 - 31)
204 
205 /* UEC MIIMCON (MII Management Control Register)
206  */
207 #define MIIMCON_PHY_CONTROL_SHIFT		(31 - 31)
208 #define MIIMCON_PHY_STATUS_SHIFT		(31 - 31)
209 
210 /* UEC MIIMIND (MII Management Indicator Register)
211  */
212 #define MIIMIND_NOT_VALID			0x00000004
213 #define MIIMIND_SCAN				0x00000002
214 #define MIIMIND_BUSY				0x00000001
215 
216 /* UEC UTBIPAR (Ten Bit Interface Physical Address Register)
217  */
218 #define UTBIPAR_PHY_ADDRESS_SHIFT		(31 - 31)
219 #define UTBIPAR_PHY_ADDRESS_MASK		0x0000001f
220 
221 /* UEC UESCR (Ethernet Statistics Control Register)
222  */
223 #define UESCR_AUTOZ				0x8000
224 #define UESCR_CLRCNT				0x4000
225 #define UESCR_MAXCOV_SHIFT			(15 -  7)
226 #define UESCR_SCOV_SHIFT			(15 - 15)
227 
228 /****** Tx data struct collection ******/
229 /* Tx thread data, each Tx thread has one this struct.
230 */
231 typedef struct uec_thread_data_tx {
232 	u8   res0[136];
233 } __attribute__ ((packed)) uec_thread_data_tx_t;
234 
235 /* Tx thread parameter, each Tx thread has one this struct.
236 */
237 typedef struct uec_thread_tx_pram {
238 	u8   res0[64];
239 } __attribute__ ((packed)) uec_thread_tx_pram_t;
240 
241 /* Send queue queue-descriptor, each Tx queue has one this QD
242 */
243 typedef struct uec_send_queue_qd {
244 	u32    bd_ring_base; /* pointer to BD ring base address */
245 	u8     res0[0x8];
246 	u32    last_bd_completed_address; /* last entry in BD ring */
247 	u8     res1[0x30];
248 } __attribute__ ((packed)) uec_send_queue_qd_t;
249 
250 /* Send queue memory region */
251 typedef struct uec_send_queue_mem_region {
252 	uec_send_queue_qd_t   sqqd[MAX_TX_QUEUES];
253 } __attribute__ ((packed)) uec_send_queue_mem_region_t;
254 
255 /* Scheduler struct
256 */
257 typedef struct uec_scheduler {
258 	u16  cpucount0;        /* CPU packet counter */
259 	u16  cpucount1;        /* CPU packet counter */
260 	u16  cecount0;         /* QE  packet counter */
261 	u16  cecount1;         /* QE  packet counter */
262 	u16  cpucount2;        /* CPU packet counter */
263 	u16  cpucount3;        /* CPU packet counter */
264 	u16  cecount2;         /* QE  packet counter */
265 	u16  cecount3;         /* QE  packet counter */
266 	u16  cpucount4;        /* CPU packet counter */
267 	u16  cpucount5;        /* CPU packet counter */
268 	u16  cecount4;         /* QE  packet counter */
269 	u16  cecount5;         /* QE  packet counter */
270 	u16  cpucount6;        /* CPU packet counter */
271 	u16  cpucount7;        /* CPU packet counter */
272 	u16  cecount6;         /* QE  packet counter */
273 	u16  cecount7;         /* QE  packet counter */
274 	u32  weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */
275 	u32  rtsrshadow;       /* temporary variable handled by QE */
276 	u32  time;             /* temporary variable handled by QE */
277 	u32  ttl;              /* temporary variable handled by QE */
278 	u32  mblinterval;      /* max burst length interval        */
279 	u16  nortsrbytetime;   /* normalized value of byte time in tsr units */
280 	u8   fracsiz;
281 	u8   res0[1];
282 	u8   strictpriorityq;  /* Strict Priority Mask register */
283 	u8   txasap;           /* Transmit ASAP register        */
284 	u8   extrabw;          /* Extra BandWidth register      */
285 	u8   oldwfqmask;       /* temporary variable handled by QE */
286 	u8   weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */
287 	u32  minw;             /* temporary variable handled by QE */
288 	u8   res1[0x70-0x64];
289 } __attribute__ ((packed)) uec_scheduler_t;
290 
291 /* Tx firmware counters
292 */
293 typedef struct uec_tx_firmware_statistics_pram {
294 	u32  sicoltx;            /* single collision */
295 	u32  mulcoltx;           /* multiple collision */
296 	u32  latecoltxfr;        /* late collision */
297 	u32  frabortduecol;      /* frames aborted due to tx collision */
298 	u32  frlostinmactxer;    /* frames lost due to internal MAC error tx */
299 	u32  carriersenseertx;   /* carrier sense error */
300 	u32  frtxok;             /* frames transmitted OK */
301 	u32  txfrexcessivedefer;
302 	u32  txpkts256;          /* total packets(including bad) 256~511 B */
303 	u32  txpkts512;          /* total packets(including bad) 512~1023B */
304 	u32  txpkts1024;         /* total packets(including bad) 1024~1518B */
305 	u32  txpktsjumbo;        /* total packets(including bad)  >1024 */
306 } __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t;
307 
308 /* Tx global parameter table
309 */
310 typedef struct uec_tx_global_pram {
311 	u16  temoder;
312 	u8   res0[0x38-0x02];
313 	u32  sqptr;
314 	u32  schedulerbasepointer;
315 	u32  txrmonbaseptr;
316 	u32  tstate;
317 	u8   iphoffset[MAX_IPH_OFFSET_ENTRY];
318 	u32  vtagtable[0x8];
319 	u32  tqptr;
320 	u8   res2[0x80-0x74];
321 } __attribute__ ((packed)) uec_tx_global_pram_t;
322 
323 
324 /****** Rx data struct collection ******/
325 /* Rx thread data, each Rx thread has one this struct.
326 */
327 typedef struct uec_thread_data_rx {
328 	u8   res0[40];
329 } __attribute__ ((packed)) uec_thread_data_rx_t;
330 
331 /* Rx thread parameter, each Rx thread has one this struct.
332 */
333 typedef struct uec_thread_rx_pram {
334 	u8   res0[128];
335 } __attribute__ ((packed)) uec_thread_rx_pram_t;
336 
337 /* Rx firmware counters
338 */
339 typedef struct uec_rx_firmware_statistics_pram {
340 	u32   frrxfcser;         /* frames with crc error */
341 	u32   fraligner;         /* frames with alignment error */
342 	u32   inrangelenrxer;    /* in range length error */
343 	u32   outrangelenrxer;   /* out of range length error */
344 	u32   frtoolong;         /* frame too long */
345 	u32   runt;              /* runt */
346 	u32   verylongevent;     /* very long event */
347 	u32   symbolerror;       /* symbol error */
348 	u32   dropbsy;           /* drop because of BD not ready */
349 	u8    res0[0x8];
350 	u32   mismatchdrop;      /* drop because of MAC filtering */
351 	u32   underpkts;         /* total frames less than 64 octets */
352 	u32   pkts256;           /* total frames(including bad)256~511 B */
353 	u32   pkts512;           /* total frames(including bad)512~1023 B */
354 	u32   pkts1024;          /* total frames(including bad)1024~1518 B */
355 	u32   pktsjumbo;         /* total frames(including bad) >1024 B */
356 	u32   frlossinmacer;
357 	u32   pausefr;           /* pause frames */
358 	u8    res1[0x4];
359 	u32   removevlan;
360 	u32   replacevlan;
361 	u32   insertvlan;
362 } __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t;
363 
364 /* Rx interrupt coalescing entry, each Rx queue has one this entry.
365 */
366 typedef struct uec_rx_interrupt_coalescing_entry {
367 	u32   maxvalue;
368 	u32   counter;
369 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t;
370 
371 typedef struct uec_rx_interrupt_coalescing_table {
372 	uec_rx_interrupt_coalescing_entry_t   entry[MAX_RX_QUEUES];
373 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t;
374 
375 /* RxBD queue entry, each Rx queue has one this entry.
376 */
377 typedef struct uec_rx_bd_queues_entry {
378 	u32   bdbaseptr;         /* BD base pointer          */
379 	u32   bdptr;             /* BD pointer               */
380 	u32   externalbdbaseptr; /* external BD base pointer */
381 	u32   externalbdptr;     /* external BD pointer      */
382 } __attribute__ ((packed)) uec_rx_bd_queues_entry_t;
383 
384 /* Rx global paramter table
385 */
386 typedef struct uec_rx_global_pram {
387 	u32  remoder;             /* ethernet mode reg. */
388 	u32  rqptr;               /* base pointer to the Rx Queues */
389 	u32  res0[0x1];
390 	u8   res1[0x20-0xC];
391 	u16  typeorlen;
392 	u8   res2[0x1];
393 	u8   rxgstpack;           /* ack on GRACEFUL STOP RX command */
394 	u32  rxrmonbaseptr;       /* Rx RMON statistics base */
395 	u8   res3[0x30-0x28];
396 	u32  intcoalescingptr;    /* Interrupt coalescing table pointer */
397 	u8   res4[0x36-0x34];
398 	u8   rstate;
399 	u8   res5[0x46-0x37];
400 	u16  mrblr;               /* max receive buffer length reg. */
401 	u32  rbdqptr;             /* RxBD parameter table description */
402 	u16  mflr;                /* max frame length reg. */
403 	u16  minflr;              /* min frame length reg. */
404 	u16  maxd1;               /* max dma1 length reg. */
405 	u16  maxd2;               /* max dma2 length reg. */
406 	u32  ecamptr;             /* external CAM address */
407 	u32  l2qt;                /* VLAN priority mapping table. */
408 	u32  l3qt[0x8];           /* IP   priority mapping table. */
409 	u16  vlantype;            /* vlan type */
410 	u16  vlantci;             /* default vlan tci */
411 	u8   addressfiltering[64];/* address filtering data structure */
412 	u32  exfGlobalParam;      /* extended filtering global parameters */
413 	u8   res6[0x100-0xC4];    /* Initialize to zero */
414 } __attribute__ ((packed)) uec_rx_global_pram_t;
415 
416 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
417 
418 
419 /****** UEC common ******/
420 /* UCC statistics - hardware counters
421 */
422 typedef struct uec_hardware_statistics {
423 	u32 tx64;
424 	u32 tx127;
425 	u32 tx255;
426 	u32 rx64;
427 	u32 rx127;
428 	u32 rx255;
429 	u32 txok;
430 	u16 txcf;
431 	u32 tmca;
432 	u32 tbca;
433 	u32 rxfok;
434 	u32 rxbok;
435 	u32 rbyt;
436 	u32 rmca;
437 	u32 rbca;
438 } __attribute__ ((packed)) uec_hardware_statistics_t;
439 
440 /* InitEnet command parameter
441 */
442 typedef struct uec_init_cmd_pram {
443 	u8   resinit0;
444 	u8   resinit1;
445 	u8   resinit2;
446 	u8   resinit3;
447 	u16  resinit4;
448 	u8   res1[0x1];
449 	u8   largestexternallookupkeysize;
450 	u32  rgftgfrxglobal;
451 	u32  rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */
452 	u8   res2[0x38 - 0x30];
453 	u32  txglobal;				   /* tx global  */
454 	u32  txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */
455 	u8   res3[0x1];
456 } __attribute__ ((packed)) uec_init_cmd_pram_t;
457 
458 #define ENET_INIT_PARAM_RGF_SHIFT		(32 - 4)
459 #define ENET_INIT_PARAM_TGF_SHIFT		(32 - 8)
460 
461 #define ENET_INIT_PARAM_RISC_MASK		0x0000003f
462 #define ENET_INIT_PARAM_PTR_MASK		0x00ffffc0
463 #define ENET_INIT_PARAM_SNUM_MASK		0xff000000
464 #define ENET_INIT_PARAM_SNUM_SHIFT		24
465 
466 #define ENET_INIT_PARAM_MAGIC_RES_INIT0		0x06
467 #define ENET_INIT_PARAM_MAGIC_RES_INIT1		0x30
468 #define ENET_INIT_PARAM_MAGIC_RES_INIT2		0xff
469 #define ENET_INIT_PARAM_MAGIC_RES_INIT3		0x00
470 #define ENET_INIT_PARAM_MAGIC_RES_INIT4		0x0400
471 
472 /* structure representing 82xx Address Filtering Enet Address in PRAM
473 */
474 typedef struct uec_82xx_enet_address {
475 	u8   res1[0x2];
476 	u16  h;       /* address (MSB) */
477 	u16  m;       /* address       */
478 	u16  l;       /* address (LSB) */
479 } __attribute__ ((packed)) uec_82xx_enet_address_t;
480 
481 /* structure representing 82xx Address Filtering PRAM
482 */
483 typedef struct uec_82xx_address_filtering_pram {
484 	u32  iaddr_h;        /* individual address filter, high */
485 	u32  iaddr_l;        /* individual address filter, low  */
486 	u32  gaddr_h;        /* group address filter, high      */
487 	u32  gaddr_l;        /* group address filter, low       */
488 	uec_82xx_enet_address_t    taddr;
489 	uec_82xx_enet_address_t    paddr[4];
490 	u8                         res0[0x40-0x38];
491 } __attribute__ ((packed)) uec_82xx_address_filtering_pram_t;
492 
493 /* Buffer Descriptor
494 */
495 typedef struct buffer_descriptor {
496 	u16 status;
497 	u16 len;
498 	u32 data;
499 } __attribute__ ((packed)) qe_bd_t, *p_bd_t;
500 
501 #define	SIZEOFBD		sizeof(qe_bd_t)
502 
503 /* Common BD flags
504 */
505 #define BD_WRAP			0x2000
506 #define BD_INT			0x1000
507 #define BD_LAST			0x0800
508 #define BD_CLEAN		0x3000
509 
510 /* TxBD status flags
511 */
512 #define TxBD_READY		0x8000
513 #define TxBD_PADCRC		0x4000
514 #define TxBD_WRAP		BD_WRAP
515 #define TxBD_INT		BD_INT
516 #define TxBD_LAST		BD_LAST
517 #define TxBD_TXCRC		0x0400
518 #define TxBD_DEF		0x0200
519 #define TxBD_PP			0x0100
520 #define TxBD_LC			0x0080
521 #define TxBD_RL			0x0040
522 #define TxBD_RC			0x003C
523 #define TxBD_UNDERRUN		0x0002
524 #define TxBD_TRUNC		0x0001
525 
526 #define TxBD_ERROR		(TxBD_UNDERRUN | TxBD_TRUNC)
527 
528 /* RxBD status flags
529 */
530 #define RxBD_EMPTY		0x8000
531 #define RxBD_OWNER		0x4000
532 #define RxBD_WRAP		BD_WRAP
533 #define RxBD_INT		BD_INT
534 #define RxBD_LAST		BD_LAST
535 #define RxBD_FIRST		0x0400
536 #define RxBD_CMR		0x0200
537 #define RxBD_MISS		0x0100
538 #define RxBD_BCAST		0x0080
539 #define RxBD_MCAST		0x0040
540 #define RxBD_LG			0x0020
541 #define RxBD_NO			0x0010
542 #define RxBD_SHORT		0x0008
543 #define RxBD_CRCERR		0x0004
544 #define RxBD_OVERRUN		0x0002
545 #define RxBD_IPCH		0x0001
546 
547 #define RxBD_ERROR		(RxBD_LG | RxBD_NO | RxBD_SHORT | \
548 				 RxBD_CRCERR | RxBD_OVERRUN)
549 
550 /* BD access macros
551 */
552 #define BD_STATUS(_bd)			(((p_bd_t)(_bd))->status)
553 #define BD_STATUS_SET(_bd, _val)	(((p_bd_t)(_bd))->status = _val)
554 #define BD_LENGTH(_bd)			(((p_bd_t)(_bd))->len)
555 #define BD_LENGTH_SET(_bd, _val)	(((p_bd_t)(_bd))->len = _val)
556 #define BD_DATA_CLEAR(_bd)		(((p_bd_t)(_bd))->data = 0)
557 #define BD_IS_DATA(_bd)			(((p_bd_t)(_bd))->data)
558 #define BD_DATA(_bd)			((u8 *)(((p_bd_t)(_bd))->data))
559 #define BD_DATA_SET(_bd, _data)		(((p_bd_t)(_bd))->data = (u32)(_data))
560 #define BD_ADVANCE(_bd,_status,_base)	\
561 	(((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd))
562 
563 /* Rx Prefetched BDs
564 */
565 typedef struct uec_rx_prefetched_bds {
566     qe_bd_t   bd[MAX_PREFETCHED_BDS]; /* prefetched bd */
567 } __attribute__ ((packed)) uec_rx_prefetched_bds_t;
568 
569 /* Alignments
570  */
571 #define UEC_RX_GLOBAL_PRAM_ALIGNMENT				64
572 #define UEC_TX_GLOBAL_PRAM_ALIGNMENT				64
573 #define UEC_THREAD_RX_PRAM_ALIGNMENT				128
574 #define UEC_THREAD_TX_PRAM_ALIGNMENT				64
575 #define UEC_THREAD_DATA_ALIGNMENT				256
576 #define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT		32
577 #define UEC_SCHEDULER_ALIGNMENT					4
578 #define UEC_TX_STATISTICS_ALIGNMENT				4
579 #define UEC_RX_STATISTICS_ALIGNMENT				4
580 #define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT			4
581 #define UEC_RX_BD_QUEUES_ALIGNMENT				8
582 #define UEC_RX_PREFETCHED_BDS_ALIGNMENT				128
583 #define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT	4
584 #define UEC_RX_BD_RING_ALIGNMENT				32
585 #define UEC_TX_BD_RING_ALIGNMENT				32
586 #define UEC_MRBLR_ALIGNMENT					128
587 #define UEC_RX_BD_RING_SIZE_ALIGNMENT				4
588 #define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT			32
589 #define UEC_RX_DATA_BUF_ALIGNMENT				64
590 
591 #define UEC_VLAN_PRIORITY_MAX					8
592 #define UEC_IP_PRIORITY_MAX					64
593 #define UEC_TX_VTAG_TABLE_ENTRY_MAX				8
594 #define UEC_RX_BD_RING_SIZE_MIN					8
595 #define UEC_TX_BD_RING_SIZE_MIN					2
596 
597 /* Ethernet speed
598 */
599 typedef enum enet_speed {
600 	ENET_SPEED_10BT,   /* 10 Base T */
601 	ENET_SPEED_100BT,  /* 100 Base T */
602 	ENET_SPEED_1000BT  /* 1000 Base T */
603 } enet_speed_e;
604 
605 /* Ethernet Address Type.
606 */
607 typedef enum enet_addr_type {
608 	ENET_ADDR_TYPE_INDIVIDUAL,
609 	ENET_ADDR_TYPE_GROUP,
610 	ENET_ADDR_TYPE_BROADCAST
611 } enet_addr_type_e;
612 
613 /* TBI / MII Set Register
614 */
615 typedef enum enet_tbi_mii_reg {
616 	ENET_TBI_MII_CR        = 0x00,
617 	ENET_TBI_MII_SR        = 0x01,
618 	ENET_TBI_MII_ANA       = 0x04,
619 	ENET_TBI_MII_ANLPBPA   = 0x05,
620 	ENET_TBI_MII_ANEX      = 0x06,
621 	ENET_TBI_MII_ANNPT     = 0x07,
622 	ENET_TBI_MII_ANLPANP   = 0x08,
623 	ENET_TBI_MII_EXST      = 0x0F,
624 	ENET_TBI_MII_JD        = 0x10,
625 	ENET_TBI_MII_TBICON    = 0x11
626 } enet_tbi_mii_reg_e;
627 
628 /* TBI MDIO register bit fields*/
629 #define TBICON_CLK_SELECT	0x0020
630 #define TBIANA_ASYMMETRIC_PAUSE	0x0100
631 #define TBIANA_SYMMETRIC_PAUSE	0x0080
632 #define TBIANA_HALF_DUPLEX	0x0040
633 #define TBIANA_FULL_DUPLEX	0x0020
634 #define TBICR_PHY_RESET		0x8000
635 #define TBICR_ANEG_ENABLE	0x1000
636 #define TBICR_RESTART_ANEG	0x0200
637 #define TBICR_FULL_DUPLEX	0x0100
638 #define TBICR_SPEED1_SET	0x0040
639 
640 #define TBIANA_SETTINGS ( \
641 		TBIANA_ASYMMETRIC_PAUSE \
642 		| TBIANA_SYMMETRIC_PAUSE \
643 		| TBIANA_FULL_DUPLEX \
644 		)
645 
646 #define TBICR_SETTINGS ( \
647 		TBICR_PHY_RESET \
648 		| TBICR_ANEG_ENABLE \
649 		| TBICR_FULL_DUPLEX \
650 		| TBICR_SPEED1_SET \
651 		)
652 
653 /* UEC number of threads
654 */
655 typedef enum uec_num_of_threads {
656 	UEC_NUM_OF_THREADS_1  = 0x1,  /* 1 */
657 	UEC_NUM_OF_THREADS_2  = 0x2,  /* 2 */
658 	UEC_NUM_OF_THREADS_4  = 0x0,  /* 4 */
659 	UEC_NUM_OF_THREADS_6  = 0x3,  /* 6 */
660 	UEC_NUM_OF_THREADS_8  = 0x4   /* 8 */
661 } uec_num_of_threads_e;
662 
663 /* UEC ethernet interface type
664 */
665 typedef enum enet_interface_type {
666 	MII,
667 	RMII,
668 	RGMII,
669 	GMII,
670 	RGMII_ID,
671 	RGMII_RXID,
672 	RGMII_TXID,
673 	TBI,
674 	RTBI,
675 	SGMII
676 } enet_interface_type_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_type	= CONFIG_SYS_UEC##num##_INTERFACE_TYPE, \
696 	.speed			= CONFIG_SYS_UEC##num##_INTERFACE_SPEED, \
697 }
698 
699 typedef struct uec_info {
700 	ucc_fast_info_t			uf_info;
701 	uec_num_of_threads_e		num_threads_tx;
702 	uec_num_of_threads_e		num_threads_rx;
703 	unsigned int			risc_tx;
704 	unsigned int			risc_rx;
705 	u16				rx_bd_ring_len;
706 	u16				tx_bd_ring_len;
707 	u8				phy_address;
708 	enet_interface_type_e		enet_interface_type;
709 	int				speed;
710 } uec_info_t;
711 
712 /* UEC driver initialized info
713 */
714 #define MAX_RXBUF_LEN			1536
715 #define MAX_FRAME_LEN			1518
716 #define MIN_FRAME_LEN			64
717 #define MAX_DMA1_LEN			1520
718 #define MAX_DMA2_LEN			1520
719 
720 /* UEC driver private struct
721 */
722 typedef struct uec_private {
723 	uec_info_t			*uec_info;
724 	ucc_fast_private_t		*uccf;
725 	struct eth_device		*dev;
726 	uec_t				*uec_regs;
727 	uec_mii_t			*uec_mii_regs;
728 	/* enet init command parameter */
729 	uec_init_cmd_pram_t		*p_init_enet_param;
730 	u32				init_enet_param_offset;
731 	/* Rx and Tx paramter */
732 	uec_rx_global_pram_t		*p_rx_glbl_pram;
733 	u32				rx_glbl_pram_offset;
734 	uec_tx_global_pram_t		*p_tx_glbl_pram;
735 	u32				tx_glbl_pram_offset;
736 	uec_send_queue_mem_region_t	*p_send_q_mem_reg;
737 	u32				send_q_mem_reg_offset;
738 	uec_thread_data_tx_t		*p_thread_data_tx;
739 	u32				thread_dat_tx_offset;
740 	uec_thread_data_rx_t		*p_thread_data_rx;
741 	u32				thread_dat_rx_offset;
742 	uec_rx_bd_queues_entry_t	*p_rx_bd_qs_tbl;
743 	u32				rx_bd_qs_tbl_offset;
744 	/* BDs specific */
745 	u8				*p_tx_bd_ring;
746 	u32				tx_bd_ring_offset;
747 	u8				*p_rx_bd_ring;
748 	u32				rx_bd_ring_offset;
749 	u8				*p_rx_buf;
750 	u32				rx_buf_offset;
751 	volatile qe_bd_t		*txBd;
752 	volatile qe_bd_t		*rxBd;
753 	/* Status */
754 	int				mac_tx_enabled;
755 	int				mac_rx_enabled;
756 	int				grace_stopped_tx;
757 	int				grace_stopped_rx;
758 	int				the_first_run;
759 	/* PHY specific */
760 	struct uec_mii_info		*mii_info;
761 	int				oldspeed;
762 	int				oldduplex;
763 	int				oldlink;
764 } uec_private_t;
765 
766 int uec_initialize(bd_t *bis, uec_info_t *uec_info);
767 int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num);
768 int uec_standard_init(bd_t *bis);
769 #endif /* __UEC_H__ */
770