xref: /openbmc/u-boot/drivers/qe/uec.h (revision beb4d65e)
1 /*
2  * Copyright (C) 2006-2010 Freescale Semiconductor, Inc.
3  *
4  * Dave Liu <daveliu@freescale.com>
5  * based on source code of Shlomi Gridish
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __UEC_H__
11 #define __UEC_H__
12 
13 #include "uccf.h"
14 #include <fsl_qe.h>
15 #include <phy.h>
16 
17 #define MAX_TX_THREADS				8
18 #define MAX_RX_THREADS				8
19 #define MAX_TX_QUEUES				8
20 #define MAX_RX_QUEUES				8
21 #define MAX_PREFETCHED_BDS			4
22 #define MAX_IPH_OFFSET_ENTRY			8
23 #define MAX_ENET_INIT_PARAM_ENTRIES_RX		9
24 #define MAX_ENET_INIT_PARAM_ENTRIES_TX		8
25 
26 /* UEC UPSMR (Protocol Specific Mode Register)
27  */
28 #define UPSMR_ECM	0x04000000 /* Enable CAM Miss               */
29 #define UPSMR_HSE	0x02000000 /* Hardware Statistics Enable    */
30 #define UPSMR_PRO	0x00400000 /* Promiscuous                   */
31 #define UPSMR_CAP	0x00200000 /* CAM polarity                  */
32 #define UPSMR_RSH	0x00100000 /* Receive Short Frames          */
33 #define UPSMR_RPM	0x00080000 /* Reduced Pin Mode interfaces   */
34 #define UPSMR_R10M	0x00040000 /* RGMII/RMII 10 Mode            */
35 #define UPSMR_RLPB	0x00020000 /* RMII Loopback Mode            */
36 #define UPSMR_TBIM	0x00010000 /* Ten-bit Interface Mode        */
37 #define UPSMR_RMM	0x00001000 /* RMII/RGMII Mode               */
38 #define UPSMR_CAM	0x00000400 /* CAM Address Matching          */
39 #define UPSMR_BRO	0x00000200 /* Broadcast Address             */
40 #define UPSMR_RES1	0x00002000 /* Reserved feild - must be 1    */
41 #define UPSMR_SGMM	0x00000020 /* SGMII mode    */
42 
43 #define UPSMR_INIT_VALUE	(UPSMR_HSE | UPSMR_RES1)
44 
45 /* UEC MACCFG1 (MAC Configuration 1 Register)
46  */
47 #define MACCFG1_FLOW_RX			0x00000020 /* Flow Control Rx */
48 #define MACCFG1_FLOW_TX			0x00000010 /* Flow Control Tx */
49 #define MACCFG1_ENABLE_SYNCHED_RX	0x00000008 /* Enable Rx Sync  */
50 #define MACCFG1_ENABLE_RX		0x00000004 /* Enable Rx       */
51 #define MACCFG1_ENABLE_SYNCHED_TX	0x00000002 /* Enable Tx Sync  */
52 #define MACCFG1_ENABLE_TX		0x00000001 /* Enable Tx       */
53 
54 #define MACCFG1_INIT_VALUE		(0)
55 
56 /* UEC MACCFG2 (MAC Configuration 2 Register)
57  */
58 #define MACCFG2_PREL				0x00007000
59 #define MACCFG2_PREL_SHIFT			(31 - 19)
60 #define MACCFG2_PREL_MASK			0x0000f000
61 #define MACCFG2_SRP				0x00000080
62 #define MACCFG2_STP				0x00000040
63 #define MACCFG2_RESERVED_1			0x00000020 /* must be set  */
64 #define MACCFG2_LC				0x00000010 /* Length Check */
65 #define MACCFG2_MPE				0x00000008
66 #define MACCFG2_FDX				0x00000001 /* Full Duplex  */
67 #define MACCFG2_FDX_MASK			0x00000001
68 #define MACCFG2_PAD_CRC				0x00000004
69 #define MACCFG2_CRC_EN				0x00000002
70 #define MACCFG2_PAD_AND_CRC_MODE_NONE		0x00000000
71 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY	0x00000002
72 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC	0x00000004
73 #define MACCFG2_INTERFACE_MODE_NIBBLE		0x00000100
74 #define MACCFG2_INTERFACE_MODE_BYTE		0x00000200
75 #define MACCFG2_INTERFACE_MODE_MASK		0x00000300
76 
77 #define MACCFG2_INIT_VALUE	(MACCFG2_PREL | MACCFG2_RESERVED_1 | \
78 				 MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX)
79 
80 /* UEC Event Register
81 */
82 #define UCCE_MPD				0x80000000
83 #define UCCE_SCAR				0x40000000
84 #define UCCE_GRA				0x20000000
85 #define UCCE_CBPR				0x10000000
86 #define UCCE_BSY				0x08000000
87 #define UCCE_RXC				0x04000000
88 #define UCCE_TXC				0x02000000
89 #define UCCE_TXE				0x01000000
90 #define UCCE_TXB7				0x00800000
91 #define UCCE_TXB6				0x00400000
92 #define UCCE_TXB5				0x00200000
93 #define UCCE_TXB4				0x00100000
94 #define UCCE_TXB3				0x00080000
95 #define UCCE_TXB2				0x00040000
96 #define UCCE_TXB1				0x00020000
97 #define UCCE_TXB0				0x00010000
98 #define UCCE_RXB7				0x00008000
99 #define UCCE_RXB6				0x00004000
100 #define UCCE_RXB5				0x00002000
101 #define UCCE_RXB4				0x00001000
102 #define UCCE_RXB3				0x00000800
103 #define UCCE_RXB2				0x00000400
104 #define UCCE_RXB1				0x00000200
105 #define UCCE_RXB0				0x00000100
106 #define UCCE_RXF7				0x00000080
107 #define UCCE_RXF6				0x00000040
108 #define UCCE_RXF5				0x00000020
109 #define UCCE_RXF4				0x00000010
110 #define UCCE_RXF3				0x00000008
111 #define UCCE_RXF2				0x00000004
112 #define UCCE_RXF1				0x00000002
113 #define UCCE_RXF0				0x00000001
114 
115 #define UCCE_TXB	(UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \
116 			 UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
117 #define UCCE_RXB	(UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \
118 			 UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
119 #define UCCE_RXF	(UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \
120 			 UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
121 #define UCCE_OTHER	(UCCE_SCAR | UCCE_GRA  | UCCE_CBPR | UCCE_BSY  | \
122 			 UCCE_RXC  | UCCE_TXC  | UCCE_TXE)
123 
124 /* UEC TEMODR Register
125 */
126 #define TEMODER_SCHEDULER_ENABLE		0x2000
127 #define TEMODER_IP_CHECKSUM_GENERATE		0x0400
128 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1	0x0200
129 #define TEMODER_RMON_STATISTICS			0x0100
130 #define TEMODER_NUM_OF_QUEUES_SHIFT		(15-15)
131 
132 #define TEMODER_INIT_VALUE			0xc000
133 
134 /* UEC REMODR Register
135 */
136 #define REMODER_RX_RMON_STATISTICS_ENABLE	0x00001000
137 #define REMODER_RX_EXTENDED_FEATURES		0x80000000
138 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT	(31-9 )
139 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT	(31-10)
140 #define REMODER_RX_QOS_MODE_SHIFT		(31-15)
141 #define REMODER_RMON_STATISTICS			0x00001000
142 #define REMODER_RX_EXTENDED_FILTERING		0x00000800
143 #define REMODER_NUM_OF_QUEUES_SHIFT		(31-23)
144 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH	0x00000008
145 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH	0x00000004
146 #define REMODER_IP_CHECKSUM_CHECK		0x00000002
147 #define REMODER_IP_ADDRESS_ALIGNMENT		0x00000001
148 
149 #define REMODER_INIT_VALUE			0
150 
151 /* BMRx - Bus Mode Register */
152 #define BMR_GLB					0x20
153 #define BMR_BO_BE				0x10
154 #define BMR_DTB_SECONDARY_BUS			0x02
155 #define BMR_BDB_SECONDARY_BUS			0x01
156 
157 #define BMR_SHIFT				24
158 #define BMR_INIT_VALUE				(BMR_GLB | BMR_BO_BE)
159 
160 /* UEC UCCS (Ethernet Status Register)
161  */
162 #define UCCS_BPR				0x02
163 #define UCCS_PAU				0x02
164 #define UCCS_MPD				0x01
165 
166 /* UEC MIIMCFG (MII Management Configuration Register)
167  */
168 #define MIIMCFG_RESET_MANAGEMENT		0x80000000
169 #define MIIMCFG_NO_PREAMBLE			0x00000010
170 #define MIIMCFG_CLOCK_DIVIDE_SHIFT		(31 - 31)
171 #define MIIMCFG_CLOCK_DIVIDE_MASK		0x0000000f
172 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4	0x00000001
173 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6	0x00000002
174 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8	0x00000003
175 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10	0x00000004
176 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14	0x00000005
177 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20	0x00000006
178 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28	0x00000007
179 
180 #define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE	\
181 	MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10
182 
183 /* UEC MIIMCOM (MII Management Command Register)
184  */
185 #define MIIMCOM_SCAN_CYCLE			0x00000002 /* Scan cycle */
186 #define MIIMCOM_READ_CYCLE			0x00000001 /* Read cycle */
187 
188 /* UEC MIIMADD (MII Management Address Register)
189  */
190 #define MIIMADD_PHY_ADDRESS_SHIFT		(31 - 23)
191 #define MIIMADD_PHY_REGISTER_SHIFT		(31 - 31)
192 
193 /* UEC MIIMCON (MII Management Control Register)
194  */
195 #define MIIMCON_PHY_CONTROL_SHIFT		(31 - 31)
196 #define MIIMCON_PHY_STATUS_SHIFT		(31 - 31)
197 
198 /* UEC MIIMIND (MII Management Indicator Register)
199  */
200 #define MIIMIND_NOT_VALID			0x00000004
201 #define MIIMIND_SCAN				0x00000002
202 #define MIIMIND_BUSY				0x00000001
203 
204 /* UEC UTBIPAR (Ten Bit Interface Physical Address Register)
205  */
206 #define UTBIPAR_PHY_ADDRESS_SHIFT		(31 - 31)
207 #define UTBIPAR_PHY_ADDRESS_MASK		0x0000001f
208 
209 /* UEC UESCR (Ethernet Statistics Control Register)
210  */
211 #define UESCR_AUTOZ				0x8000
212 #define UESCR_CLRCNT				0x4000
213 #define UESCR_MAXCOV_SHIFT			(15 -  7)
214 #define UESCR_SCOV_SHIFT			(15 - 15)
215 
216 /****** Tx data struct collection ******/
217 /* Tx thread data, each Tx thread has one this struct.
218 */
219 typedef struct uec_thread_data_tx {
220 	u8   res0[136];
221 } __attribute__ ((packed)) uec_thread_data_tx_t;
222 
223 /* Tx thread parameter, each Tx thread has one this struct.
224 */
225 typedef struct uec_thread_tx_pram {
226 	u8   res0[64];
227 } __attribute__ ((packed)) uec_thread_tx_pram_t;
228 
229 /* Send queue queue-descriptor, each Tx queue has one this QD
230 */
231 typedef struct uec_send_queue_qd {
232 	u32    bd_ring_base; /* pointer to BD ring base address */
233 	u8     res0[0x8];
234 	u32    last_bd_completed_address; /* last entry in BD ring */
235 	u8     res1[0x30];
236 } __attribute__ ((packed)) uec_send_queue_qd_t;
237 
238 /* Send queue memory region */
239 typedef struct uec_send_queue_mem_region {
240 	uec_send_queue_qd_t   sqqd[MAX_TX_QUEUES];
241 } __attribute__ ((packed)) uec_send_queue_mem_region_t;
242 
243 /* Scheduler struct
244 */
245 typedef struct uec_scheduler {
246 	u16  cpucount0;        /* CPU packet counter */
247 	u16  cpucount1;        /* CPU packet counter */
248 	u16  cecount0;         /* QE  packet counter */
249 	u16  cecount1;         /* QE  packet counter */
250 	u16  cpucount2;        /* CPU packet counter */
251 	u16  cpucount3;        /* CPU packet counter */
252 	u16  cecount2;         /* QE  packet counter */
253 	u16  cecount3;         /* QE  packet counter */
254 	u16  cpucount4;        /* CPU packet counter */
255 	u16  cpucount5;        /* CPU packet counter */
256 	u16  cecount4;         /* QE  packet counter */
257 	u16  cecount5;         /* QE  packet counter */
258 	u16  cpucount6;        /* CPU packet counter */
259 	u16  cpucount7;        /* CPU packet counter */
260 	u16  cecount6;         /* QE  packet counter */
261 	u16  cecount7;         /* QE  packet counter */
262 	u32  weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */
263 	u32  rtsrshadow;       /* temporary variable handled by QE */
264 	u32  time;             /* temporary variable handled by QE */
265 	u32  ttl;              /* temporary variable handled by QE */
266 	u32  mblinterval;      /* max burst length interval        */
267 	u16  nortsrbytetime;   /* normalized value of byte time in tsr units */
268 	u8   fracsiz;
269 	u8   res0[1];
270 	u8   strictpriorityq;  /* Strict Priority Mask register */
271 	u8   txasap;           /* Transmit ASAP register        */
272 	u8   extrabw;          /* Extra BandWidth register      */
273 	u8   oldwfqmask;       /* temporary variable handled by QE */
274 	u8   weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */
275 	u32  minw;             /* temporary variable handled by QE */
276 	u8   res1[0x70-0x64];
277 } __attribute__ ((packed)) uec_scheduler_t;
278 
279 /* Tx firmware counters
280 */
281 typedef struct uec_tx_firmware_statistics_pram {
282 	u32  sicoltx;            /* single collision */
283 	u32  mulcoltx;           /* multiple collision */
284 	u32  latecoltxfr;        /* late collision */
285 	u32  frabortduecol;      /* frames aborted due to tx collision */
286 	u32  frlostinmactxer;    /* frames lost due to internal MAC error tx */
287 	u32  carriersenseertx;   /* carrier sense error */
288 	u32  frtxok;             /* frames transmitted OK */
289 	u32  txfrexcessivedefer;
290 	u32  txpkts256;          /* total packets(including bad) 256~511 B */
291 	u32  txpkts512;          /* total packets(including bad) 512~1023B */
292 	u32  txpkts1024;         /* total packets(including bad) 1024~1518B */
293 	u32  txpktsjumbo;        /* total packets(including bad)  >1024 */
294 } __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t;
295 
296 /* Tx global parameter table
297 */
298 typedef struct uec_tx_global_pram {
299 	u16  temoder;
300 	u8   res0[0x38-0x02];
301 	u32  sqptr;
302 	u32  schedulerbasepointer;
303 	u32  txrmonbaseptr;
304 	u32  tstate;
305 	u8   iphoffset[MAX_IPH_OFFSET_ENTRY];
306 	u32  vtagtable[0x8];
307 	u32  tqptr;
308 	u8   res2[0x80-0x74];
309 } __attribute__ ((packed)) uec_tx_global_pram_t;
310 
311 
312 /****** Rx data struct collection ******/
313 /* Rx thread data, each Rx thread has one this struct.
314 */
315 typedef struct uec_thread_data_rx {
316 	u8   res0[40];
317 } __attribute__ ((packed)) uec_thread_data_rx_t;
318 
319 /* Rx thread parameter, each Rx thread has one this struct.
320 */
321 typedef struct uec_thread_rx_pram {
322 	u8   res0[128];
323 } __attribute__ ((packed)) uec_thread_rx_pram_t;
324 
325 /* Rx firmware counters
326 */
327 typedef struct uec_rx_firmware_statistics_pram {
328 	u32   frrxfcser;         /* frames with crc error */
329 	u32   fraligner;         /* frames with alignment error */
330 	u32   inrangelenrxer;    /* in range length error */
331 	u32   outrangelenrxer;   /* out of range length error */
332 	u32   frtoolong;         /* frame too long */
333 	u32   runt;              /* runt */
334 	u32   verylongevent;     /* very long event */
335 	u32   symbolerror;       /* symbol error */
336 	u32   dropbsy;           /* drop because of BD not ready */
337 	u8    res0[0x8];
338 	u32   mismatchdrop;      /* drop because of MAC filtering */
339 	u32   underpkts;         /* total frames less than 64 octets */
340 	u32   pkts256;           /* total frames(including bad)256~511 B */
341 	u32   pkts512;           /* total frames(including bad)512~1023 B */
342 	u32   pkts1024;          /* total frames(including bad)1024~1518 B */
343 	u32   pktsjumbo;         /* total frames(including bad) >1024 B */
344 	u32   frlossinmacer;
345 	u32   pausefr;           /* pause frames */
346 	u8    res1[0x4];
347 	u32   removevlan;
348 	u32   replacevlan;
349 	u32   insertvlan;
350 } __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t;
351 
352 /* Rx interrupt coalescing entry, each Rx queue has one this entry.
353 */
354 typedef struct uec_rx_interrupt_coalescing_entry {
355 	u32   maxvalue;
356 	u32   counter;
357 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t;
358 
359 typedef struct uec_rx_interrupt_coalescing_table {
360 	uec_rx_interrupt_coalescing_entry_t   entry[MAX_RX_QUEUES];
361 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t;
362 
363 /* RxBD queue entry, each Rx queue has one this entry.
364 */
365 typedef struct uec_rx_bd_queues_entry {
366 	u32   bdbaseptr;         /* BD base pointer          */
367 	u32   bdptr;             /* BD pointer               */
368 	u32   externalbdbaseptr; /* external BD base pointer */
369 	u32   externalbdptr;     /* external BD pointer      */
370 } __attribute__ ((packed)) uec_rx_bd_queues_entry_t;
371 
372 /* Rx global paramter table
373 */
374 typedef struct uec_rx_global_pram {
375 	u32  remoder;             /* ethernet mode reg. */
376 	u32  rqptr;               /* base pointer to the Rx Queues */
377 	u32  res0[0x1];
378 	u8   res1[0x20-0xC];
379 	u16  typeorlen;
380 	u8   res2[0x1];
381 	u8   rxgstpack;           /* ack on GRACEFUL STOP RX command */
382 	u32  rxrmonbaseptr;       /* Rx RMON statistics base */
383 	u8   res3[0x30-0x28];
384 	u32  intcoalescingptr;    /* Interrupt coalescing table pointer */
385 	u8   res4[0x36-0x34];
386 	u8   rstate;
387 	u8   res5[0x46-0x37];
388 	u16  mrblr;               /* max receive buffer length reg. */
389 	u32  rbdqptr;             /* RxBD parameter table description */
390 	u16  mflr;                /* max frame length reg. */
391 	u16  minflr;              /* min frame length reg. */
392 	u16  maxd1;               /* max dma1 length reg. */
393 	u16  maxd2;               /* max dma2 length reg. */
394 	u32  ecamptr;             /* external CAM address */
395 	u32  l2qt;                /* VLAN priority mapping table. */
396 	u32  l3qt[0x8];           /* IP   priority mapping table. */
397 	u16  vlantype;            /* vlan type */
398 	u16  vlantci;             /* default vlan tci */
399 	u8   addressfiltering[64];/* address filtering data structure */
400 	u32  exfGlobalParam;      /* extended filtering global parameters */
401 	u8   res6[0x100-0xC4];    /* Initialize to zero */
402 } __attribute__ ((packed)) uec_rx_global_pram_t;
403 
404 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
405 
406 
407 /****** UEC common ******/
408 /* UCC statistics - hardware counters
409 */
410 typedef struct uec_hardware_statistics {
411 	u32 tx64;
412 	u32 tx127;
413 	u32 tx255;
414 	u32 rx64;
415 	u32 rx127;
416 	u32 rx255;
417 	u32 txok;
418 	u16 txcf;
419 	u32 tmca;
420 	u32 tbca;
421 	u32 rxfok;
422 	u32 rxbok;
423 	u32 rbyt;
424 	u32 rmca;
425 	u32 rbca;
426 } __attribute__ ((packed)) uec_hardware_statistics_t;
427 
428 /* InitEnet command parameter
429 */
430 typedef struct uec_init_cmd_pram {
431 	u8   resinit0;
432 	u8   resinit1;
433 	u8   resinit2;
434 	u8   resinit3;
435 	u16  resinit4;
436 	u8   res1[0x1];
437 	u8   largestexternallookupkeysize;
438 	u32  rgftgfrxglobal;
439 	u32  rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */
440 	u8   res2[0x38 - 0x30];
441 	u32  txglobal;				   /* tx global  */
442 	u32  txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */
443 	u8   res3[0x1];
444 } __attribute__ ((packed)) uec_init_cmd_pram_t;
445 
446 #define ENET_INIT_PARAM_RGF_SHIFT		(32 - 4)
447 #define ENET_INIT_PARAM_TGF_SHIFT		(32 - 8)
448 
449 #define ENET_INIT_PARAM_RISC_MASK		0x0000003f
450 #define ENET_INIT_PARAM_PTR_MASK		0x00ffffc0
451 #define ENET_INIT_PARAM_SNUM_MASK		0xff000000
452 #define ENET_INIT_PARAM_SNUM_SHIFT		24
453 
454 #define ENET_INIT_PARAM_MAGIC_RES_INIT0		0x06
455 #define ENET_INIT_PARAM_MAGIC_RES_INIT1		0x30
456 #define ENET_INIT_PARAM_MAGIC_RES_INIT2		0xff
457 #define ENET_INIT_PARAM_MAGIC_RES_INIT3		0x00
458 #define ENET_INIT_PARAM_MAGIC_RES_INIT4		0x0400
459 
460 /* structure representing 82xx Address Filtering Enet Address in PRAM
461 */
462 typedef struct uec_82xx_enet_address {
463 	u8   res1[0x2];
464 	u16  h;       /* address (MSB) */
465 	u16  m;       /* address       */
466 	u16  l;       /* address (LSB) */
467 } __attribute__ ((packed)) uec_82xx_enet_address_t;
468 
469 /* structure representing 82xx Address Filtering PRAM
470 */
471 typedef struct uec_82xx_address_filtering_pram {
472 	u32  iaddr_h;        /* individual address filter, high */
473 	u32  iaddr_l;        /* individual address filter, low  */
474 	u32  gaddr_h;        /* group address filter, high      */
475 	u32  gaddr_l;        /* group address filter, low       */
476 	uec_82xx_enet_address_t    taddr;
477 	uec_82xx_enet_address_t    paddr[4];
478 	u8                         res0[0x40-0x38];
479 } __attribute__ ((packed)) uec_82xx_address_filtering_pram_t;
480 
481 /* Buffer Descriptor
482 */
483 typedef struct buffer_descriptor {
484 	u16 status;
485 	u16 len;
486 	u32 data;
487 } __attribute__ ((packed)) qe_bd_t, *p_bd_t;
488 
489 #define	SIZEOFBD		sizeof(qe_bd_t)
490 
491 /* Common BD flags
492 */
493 #define BD_WRAP			0x2000
494 #define BD_INT			0x1000
495 #define BD_LAST			0x0800
496 #define BD_CLEAN		0x3000
497 
498 /* TxBD status flags
499 */
500 #define TxBD_READY		0x8000
501 #define TxBD_PADCRC		0x4000
502 #define TxBD_WRAP		BD_WRAP
503 #define TxBD_INT		BD_INT
504 #define TxBD_LAST		BD_LAST
505 #define TxBD_TXCRC		0x0400
506 #define TxBD_DEF		0x0200
507 #define TxBD_PP			0x0100
508 #define TxBD_LC			0x0080
509 #define TxBD_RL			0x0040
510 #define TxBD_RC			0x003C
511 #define TxBD_UNDERRUN		0x0002
512 #define TxBD_TRUNC		0x0001
513 
514 #define TxBD_ERROR		(TxBD_UNDERRUN | TxBD_TRUNC)
515 
516 /* RxBD status flags
517 */
518 #define RxBD_EMPTY		0x8000
519 #define RxBD_OWNER		0x4000
520 #define RxBD_WRAP		BD_WRAP
521 #define RxBD_INT		BD_INT
522 #define RxBD_LAST		BD_LAST
523 #define RxBD_FIRST		0x0400
524 #define RxBD_CMR		0x0200
525 #define RxBD_MISS		0x0100
526 #define RxBD_BCAST		0x0080
527 #define RxBD_MCAST		0x0040
528 #define RxBD_LG			0x0020
529 #define RxBD_NO			0x0010
530 #define RxBD_SHORT		0x0008
531 #define RxBD_CRCERR		0x0004
532 #define RxBD_OVERRUN		0x0002
533 #define RxBD_IPCH		0x0001
534 
535 #define RxBD_ERROR		(RxBD_LG | RxBD_NO | RxBD_SHORT | \
536 				 RxBD_CRCERR | RxBD_OVERRUN)
537 
538 /* BD access macros
539 */
540 #define BD_STATUS(_bd)			(((p_bd_t)(_bd))->status)
541 #define BD_STATUS_SET(_bd, _val)	(((p_bd_t)(_bd))->status = _val)
542 #define BD_LENGTH(_bd)			(((p_bd_t)(_bd))->len)
543 #define BD_LENGTH_SET(_bd, _val)	(((p_bd_t)(_bd))->len = _val)
544 #define BD_DATA_CLEAR(_bd)		(((p_bd_t)(_bd))->data = 0)
545 #define BD_IS_DATA(_bd)			(((p_bd_t)(_bd))->data)
546 #define BD_DATA(_bd)			((u8 *)(((p_bd_t)(_bd))->data))
547 #define BD_DATA_SET(_bd, _data)		(((p_bd_t)(_bd))->data = (u32)(_data))
548 #define BD_ADVANCE(_bd,_status,_base)	\
549 	(((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd))
550 
551 /* Rx Prefetched BDs
552 */
553 typedef struct uec_rx_prefetched_bds {
554     qe_bd_t   bd[MAX_PREFETCHED_BDS]; /* prefetched bd */
555 } __attribute__ ((packed)) uec_rx_prefetched_bds_t;
556 
557 /* Alignments
558  */
559 #define UEC_RX_GLOBAL_PRAM_ALIGNMENT				64
560 #define UEC_TX_GLOBAL_PRAM_ALIGNMENT				64
561 #define UEC_THREAD_RX_PRAM_ALIGNMENT				128
562 #define UEC_THREAD_TX_PRAM_ALIGNMENT				64
563 #define UEC_THREAD_DATA_ALIGNMENT				256
564 #define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT		32
565 #define UEC_SCHEDULER_ALIGNMENT					4
566 #define UEC_TX_STATISTICS_ALIGNMENT				4
567 #define UEC_RX_STATISTICS_ALIGNMENT				4
568 #define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT			4
569 #define UEC_RX_BD_QUEUES_ALIGNMENT				8
570 #define UEC_RX_PREFETCHED_BDS_ALIGNMENT				128
571 #define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT	4
572 #define UEC_RX_BD_RING_ALIGNMENT				32
573 #define UEC_TX_BD_RING_ALIGNMENT				32
574 #define UEC_MRBLR_ALIGNMENT					128
575 #define UEC_RX_BD_RING_SIZE_ALIGNMENT				4
576 #define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT			32
577 #define UEC_RX_DATA_BUF_ALIGNMENT				64
578 
579 #define UEC_VLAN_PRIORITY_MAX					8
580 #define UEC_IP_PRIORITY_MAX					64
581 #define UEC_TX_VTAG_TABLE_ENTRY_MAX				8
582 #define UEC_RX_BD_RING_SIZE_MIN					8
583 #define UEC_TX_BD_RING_SIZE_MIN					2
584 
585 /* Ethernet speed
586 */
587 typedef enum enet_speed {
588 	ENET_SPEED_10BT,   /* 10 Base T */
589 	ENET_SPEED_100BT,  /* 100 Base T */
590 	ENET_SPEED_1000BT  /* 1000 Base T */
591 } enet_speed_e;
592 
593 /* Ethernet Address Type.
594 */
595 typedef enum enet_addr_type {
596 	ENET_ADDR_TYPE_INDIVIDUAL,
597 	ENET_ADDR_TYPE_GROUP,
598 	ENET_ADDR_TYPE_BROADCAST
599 } enet_addr_type_e;
600 
601 /* TBI / MII Set Register
602 */
603 typedef enum enet_tbi_mii_reg {
604 	ENET_TBI_MII_CR        = 0x00,
605 	ENET_TBI_MII_SR        = 0x01,
606 	ENET_TBI_MII_ANA       = 0x04,
607 	ENET_TBI_MII_ANLPBPA   = 0x05,
608 	ENET_TBI_MII_ANEX      = 0x06,
609 	ENET_TBI_MII_ANNPT     = 0x07,
610 	ENET_TBI_MII_ANLPANP   = 0x08,
611 	ENET_TBI_MII_EXST      = 0x0F,
612 	ENET_TBI_MII_JD        = 0x10,
613 	ENET_TBI_MII_TBICON    = 0x11
614 } enet_tbi_mii_reg_e;
615 
616 /* TBI MDIO register bit fields*/
617 #define TBICON_CLK_SELECT	0x0020
618 #define TBIANA_ASYMMETRIC_PAUSE	0x0100
619 #define TBIANA_SYMMETRIC_PAUSE	0x0080
620 #define TBIANA_HALF_DUPLEX	0x0040
621 #define TBIANA_FULL_DUPLEX	0x0020
622 #define TBICR_PHY_RESET		0x8000
623 #define TBICR_ANEG_ENABLE	0x1000
624 #define TBICR_RESTART_ANEG	0x0200
625 #define TBICR_FULL_DUPLEX	0x0100
626 #define TBICR_SPEED1_SET	0x0040
627 
628 #define TBIANA_SETTINGS ( \
629 		TBIANA_ASYMMETRIC_PAUSE \
630 		| TBIANA_SYMMETRIC_PAUSE \
631 		| TBIANA_FULL_DUPLEX \
632 		)
633 
634 #define TBICR_SETTINGS ( \
635 		TBICR_PHY_RESET \
636 		| TBICR_ANEG_ENABLE \
637 		| TBICR_FULL_DUPLEX \
638 		| TBICR_SPEED1_SET \
639 		)
640 
641 /* UEC number of threads
642 */
643 typedef enum uec_num_of_threads {
644 	UEC_NUM_OF_THREADS_1  = 0x1,  /* 1 */
645 	UEC_NUM_OF_THREADS_2  = 0x2,  /* 2 */
646 	UEC_NUM_OF_THREADS_4  = 0x0,  /* 4 */
647 	UEC_NUM_OF_THREADS_6  = 0x3,  /* 6 */
648 	UEC_NUM_OF_THREADS_8  = 0x4   /* 8 */
649 } uec_num_of_threads_e;
650 
651 /* UEC initialization info struct
652 */
653 #define STD_UEC_INFO(num) \
654 {			\
655 	.uf_info		= {	\
656 		.ucc_num	= CONFIG_SYS_UEC##num##_UCC_NUM,\
657 		.rx_clock	= CONFIG_SYS_UEC##num##_RX_CLK,	\
658 		.tx_clock	= CONFIG_SYS_UEC##num##_TX_CLK,	\
659 		.eth_type	= CONFIG_SYS_UEC##num##_ETH_TYPE,\
660 	},	\
661 	.num_threads_tx		= UEC_NUM_OF_THREADS_1,	\
662 	.num_threads_rx		= UEC_NUM_OF_THREADS_1,	\
663 	.risc_tx		= QE_RISC_ALLOCATION_RISC1_AND_RISC2, \
664 	.risc_rx		= QE_RISC_ALLOCATION_RISC1_AND_RISC2, \
665 	.tx_bd_ring_len		= 16,	\
666 	.rx_bd_ring_len		= 16,	\
667 	.phy_address		= CONFIG_SYS_UEC##num##_PHY_ADDR, \
668 	.enet_interface_type	= CONFIG_SYS_UEC##num##_INTERFACE_TYPE, \
669 	.speed			= CONFIG_SYS_UEC##num##_INTERFACE_SPEED, \
670 }
671 
672 typedef struct uec_info {
673 	ucc_fast_info_t			uf_info;
674 	uec_num_of_threads_e		num_threads_tx;
675 	uec_num_of_threads_e		num_threads_rx;
676 	unsigned int			risc_tx;
677 	unsigned int			risc_rx;
678 	u16				rx_bd_ring_len;
679 	u16				tx_bd_ring_len;
680 	u8				phy_address;
681 	phy_interface_t			enet_interface_type;
682 	int				speed;
683 } uec_info_t;
684 
685 /* UEC driver initialized info
686 */
687 #define MAX_RXBUF_LEN			1536
688 #define MAX_FRAME_LEN			1518
689 #define MIN_FRAME_LEN			64
690 #define MAX_DMA1_LEN			1520
691 #define MAX_DMA2_LEN			1520
692 
693 /* UEC driver private struct
694 */
695 typedef struct uec_private {
696 	uec_info_t			*uec_info;
697 	ucc_fast_private_t		*uccf;
698 	struct eth_device		*dev;
699 	uec_t				*uec_regs;
700 	uec_mii_t			*uec_mii_regs;
701 	/* enet init command parameter */
702 	uec_init_cmd_pram_t		*p_init_enet_param;
703 	u32				init_enet_param_offset;
704 	/* Rx and Tx paramter */
705 	uec_rx_global_pram_t		*p_rx_glbl_pram;
706 	u32				rx_glbl_pram_offset;
707 	uec_tx_global_pram_t		*p_tx_glbl_pram;
708 	u32				tx_glbl_pram_offset;
709 	uec_send_queue_mem_region_t	*p_send_q_mem_reg;
710 	u32				send_q_mem_reg_offset;
711 	uec_thread_data_tx_t		*p_thread_data_tx;
712 	u32				thread_dat_tx_offset;
713 	uec_thread_data_rx_t		*p_thread_data_rx;
714 	u32				thread_dat_rx_offset;
715 	uec_rx_bd_queues_entry_t	*p_rx_bd_qs_tbl;
716 	u32				rx_bd_qs_tbl_offset;
717 	/* BDs specific */
718 	u8				*p_tx_bd_ring;
719 	u32				tx_bd_ring_offset;
720 	u8				*p_rx_bd_ring;
721 	u32				rx_bd_ring_offset;
722 	u8				*p_rx_buf;
723 	u32				rx_buf_offset;
724 	volatile qe_bd_t		*txBd;
725 	volatile qe_bd_t		*rxBd;
726 	/* Status */
727 	int				mac_tx_enabled;
728 	int				mac_rx_enabled;
729 	int				grace_stopped_tx;
730 	int				grace_stopped_rx;
731 	int				the_first_run;
732 	/* PHY specific */
733 	struct uec_mii_info		*mii_info;
734 	int				oldspeed;
735 	int				oldduplex;
736 	int				oldlink;
737 } uec_private_t;
738 
739 int uec_initialize(bd_t *bis, uec_info_t *uec_info);
740 int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num);
741 int uec_standard_init(bd_t *bis);
742 #endif /* __UEC_H__ */
743