xref: /openbmc/u-boot/drivers/qe/uec.h (revision 1e52fea3)
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  * 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 #include <phy.h>
29 #include <asm/fsl_enet.h>
30 
31 #define MAX_TX_THREADS				8
32 #define MAX_RX_THREADS				8
33 #define MAX_TX_QUEUES				8
34 #define MAX_RX_QUEUES				8
35 #define MAX_PREFETCHED_BDS			4
36 #define MAX_IPH_OFFSET_ENTRY			8
37 #define MAX_ENET_INIT_PARAM_ENTRIES_RX		9
38 #define MAX_ENET_INIT_PARAM_ENTRIES_TX		8
39 
40 /* UEC UPSMR (Protocol Specific Mode Register)
41  */
42 #define UPSMR_ECM	0x04000000 /* Enable CAM Miss               */
43 #define UPSMR_HSE	0x02000000 /* Hardware Statistics Enable    */
44 #define UPSMR_PRO	0x00400000 /* Promiscuous                   */
45 #define UPSMR_CAP	0x00200000 /* CAM polarity                  */
46 #define UPSMR_RSH	0x00100000 /* Receive Short Frames          */
47 #define UPSMR_RPM	0x00080000 /* Reduced Pin Mode interfaces   */
48 #define UPSMR_R10M	0x00040000 /* RGMII/RMII 10 Mode            */
49 #define UPSMR_RLPB	0x00020000 /* RMII Loopback Mode            */
50 #define UPSMR_TBIM	0x00010000 /* Ten-bit Interface Mode        */
51 #define UPSMR_RMM	0x00001000 /* RMII/RGMII Mode               */
52 #define UPSMR_CAM	0x00000400 /* CAM Address Matching          */
53 #define UPSMR_BRO	0x00000200 /* Broadcast Address             */
54 #define UPSMR_RES1	0x00002000 /* Reserved feild - must be 1    */
55 #define UPSMR_SGMM	0x00000020 /* SGMII mode    */
56 
57 #define UPSMR_INIT_VALUE	(UPSMR_HSE | UPSMR_RES1)
58 
59 /* UEC MACCFG1 (MAC Configuration 1 Register)
60  */
61 #define MACCFG1_FLOW_RX			0x00000020 /* Flow Control Rx */
62 #define MACCFG1_FLOW_TX			0x00000010 /* Flow Control Tx */
63 #define MACCFG1_ENABLE_SYNCHED_RX	0x00000008 /* Enable Rx Sync  */
64 #define MACCFG1_ENABLE_RX		0x00000004 /* Enable Rx       */
65 #define MACCFG1_ENABLE_SYNCHED_TX	0x00000002 /* Enable Tx Sync  */
66 #define MACCFG1_ENABLE_TX		0x00000001 /* Enable Tx       */
67 
68 #define MACCFG1_INIT_VALUE		(0)
69 
70 /* UEC MACCFG2 (MAC Configuration 2 Register)
71  */
72 #define MACCFG2_PREL				0x00007000
73 #define MACCFG2_PREL_SHIFT			(31 - 19)
74 #define MACCFG2_PREL_MASK			0x0000f000
75 #define MACCFG2_SRP				0x00000080
76 #define MACCFG2_STP				0x00000040
77 #define MACCFG2_RESERVED_1			0x00000020 /* must be set  */
78 #define MACCFG2_LC				0x00000010 /* Length Check */
79 #define MACCFG2_MPE				0x00000008
80 #define MACCFG2_FDX				0x00000001 /* Full Duplex  */
81 #define MACCFG2_FDX_MASK			0x00000001
82 #define MACCFG2_PAD_CRC				0x00000004
83 #define MACCFG2_CRC_EN				0x00000002
84 #define MACCFG2_PAD_AND_CRC_MODE_NONE		0x00000000
85 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY	0x00000002
86 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC	0x00000004
87 #define MACCFG2_INTERFACE_MODE_NIBBLE		0x00000100
88 #define MACCFG2_INTERFACE_MODE_BYTE		0x00000200
89 #define MACCFG2_INTERFACE_MODE_MASK		0x00000300
90 
91 #define MACCFG2_INIT_VALUE	(MACCFG2_PREL | MACCFG2_RESERVED_1 | \
92 				 MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX)
93 
94 /* UEC Event Register
95 */
96 #define UCCE_MPD				0x80000000
97 #define UCCE_SCAR				0x40000000
98 #define UCCE_GRA				0x20000000
99 #define UCCE_CBPR				0x10000000
100 #define UCCE_BSY				0x08000000
101 #define UCCE_RXC				0x04000000
102 #define UCCE_TXC				0x02000000
103 #define UCCE_TXE				0x01000000
104 #define UCCE_TXB7				0x00800000
105 #define UCCE_TXB6				0x00400000
106 #define UCCE_TXB5				0x00200000
107 #define UCCE_TXB4				0x00100000
108 #define UCCE_TXB3				0x00080000
109 #define UCCE_TXB2				0x00040000
110 #define UCCE_TXB1				0x00020000
111 #define UCCE_TXB0				0x00010000
112 #define UCCE_RXB7				0x00008000
113 #define UCCE_RXB6				0x00004000
114 #define UCCE_RXB5				0x00002000
115 #define UCCE_RXB4				0x00001000
116 #define UCCE_RXB3				0x00000800
117 #define UCCE_RXB2				0x00000400
118 #define UCCE_RXB1				0x00000200
119 #define UCCE_RXB0				0x00000100
120 #define UCCE_RXF7				0x00000080
121 #define UCCE_RXF6				0x00000040
122 #define UCCE_RXF5				0x00000020
123 #define UCCE_RXF4				0x00000010
124 #define UCCE_RXF3				0x00000008
125 #define UCCE_RXF2				0x00000004
126 #define UCCE_RXF1				0x00000002
127 #define UCCE_RXF0				0x00000001
128 
129 #define UCCE_TXB	(UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \
130 			 UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
131 #define UCCE_RXB	(UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \
132 			 UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
133 #define UCCE_RXF	(UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \
134 			 UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
135 #define UCCE_OTHER	(UCCE_SCAR | UCCE_GRA  | UCCE_CBPR | UCCE_BSY  | \
136 			 UCCE_RXC  | UCCE_TXC  | UCCE_TXE)
137 
138 /* UEC TEMODR Register
139 */
140 #define TEMODER_SCHEDULER_ENABLE		0x2000
141 #define TEMODER_IP_CHECKSUM_GENERATE		0x0400
142 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1	0x0200
143 #define TEMODER_RMON_STATISTICS			0x0100
144 #define TEMODER_NUM_OF_QUEUES_SHIFT		(15-15)
145 
146 #define TEMODER_INIT_VALUE			0xc000
147 
148 /* UEC REMODR Register
149 */
150 #define REMODER_RX_RMON_STATISTICS_ENABLE	0x00001000
151 #define REMODER_RX_EXTENDED_FEATURES		0x80000000
152 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT	(31-9 )
153 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT	(31-10)
154 #define REMODER_RX_QOS_MODE_SHIFT		(31-15)
155 #define REMODER_RMON_STATISTICS			0x00001000
156 #define REMODER_RX_EXTENDED_FILTERING		0x00000800
157 #define REMODER_NUM_OF_QUEUES_SHIFT		(31-23)
158 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH	0x00000008
159 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH	0x00000004
160 #define REMODER_IP_CHECKSUM_CHECK		0x00000002
161 #define REMODER_IP_ADDRESS_ALIGNMENT		0x00000001
162 
163 #define REMODER_INIT_VALUE			0
164 
165 /* BMRx - Bus Mode Register */
166 #define BMR_GLB					0x20
167 #define BMR_BO_BE				0x10
168 #define BMR_DTB_SECONDARY_BUS			0x02
169 #define BMR_BDB_SECONDARY_BUS			0x01
170 
171 #define BMR_SHIFT				24
172 #define BMR_INIT_VALUE				(BMR_GLB | BMR_BO_BE)
173 
174 /* UEC UCCS (Ethernet Status Register)
175  */
176 #define UCCS_BPR				0x02
177 #define UCCS_PAU				0x02
178 #define UCCS_MPD				0x01
179 
180 /* UEC MIIMCFG (MII Management Configuration Register)
181  */
182 #define MIIMCFG_RESET_MANAGEMENT		0x80000000
183 #define MIIMCFG_NO_PREAMBLE			0x00000010
184 #define MIIMCFG_CLOCK_DIVIDE_SHIFT		(31 - 31)
185 #define MIIMCFG_CLOCK_DIVIDE_MASK		0x0000000f
186 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4	0x00000001
187 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6	0x00000002
188 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8	0x00000003
189 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10	0x00000004
190 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14	0x00000005
191 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20	0x00000006
192 #define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28	0x00000007
193 
194 #define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE	\
195 	MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10
196 
197 /* UEC MIIMCOM (MII Management Command Register)
198  */
199 #define MIIMCOM_SCAN_CYCLE			0x00000002 /* Scan cycle */
200 #define MIIMCOM_READ_CYCLE			0x00000001 /* Read cycle */
201 
202 /* UEC MIIMADD (MII Management Address Register)
203  */
204 #define MIIMADD_PHY_ADDRESS_SHIFT		(31 - 23)
205 #define MIIMADD_PHY_REGISTER_SHIFT		(31 - 31)
206 
207 /* UEC MIIMCON (MII Management Control Register)
208  */
209 #define MIIMCON_PHY_CONTROL_SHIFT		(31 - 31)
210 #define MIIMCON_PHY_STATUS_SHIFT		(31 - 31)
211 
212 /* UEC MIIMIND (MII Management Indicator Register)
213  */
214 #define MIIMIND_NOT_VALID			0x00000004
215 #define MIIMIND_SCAN				0x00000002
216 #define MIIMIND_BUSY				0x00000001
217 
218 /* UEC UTBIPAR (Ten Bit Interface Physical Address Register)
219  */
220 #define UTBIPAR_PHY_ADDRESS_SHIFT		(31 - 31)
221 #define UTBIPAR_PHY_ADDRESS_MASK		0x0000001f
222 
223 /* UEC UESCR (Ethernet Statistics Control Register)
224  */
225 #define UESCR_AUTOZ				0x8000
226 #define UESCR_CLRCNT				0x4000
227 #define UESCR_MAXCOV_SHIFT			(15 -  7)
228 #define UESCR_SCOV_SHIFT			(15 - 15)
229 
230 /****** Tx data struct collection ******/
231 /* Tx thread data, each Tx thread has one this struct.
232 */
233 typedef struct uec_thread_data_tx {
234 	u8   res0[136];
235 } __attribute__ ((packed)) uec_thread_data_tx_t;
236 
237 /* Tx thread parameter, each Tx thread has one this struct.
238 */
239 typedef struct uec_thread_tx_pram {
240 	u8   res0[64];
241 } __attribute__ ((packed)) uec_thread_tx_pram_t;
242 
243 /* Send queue queue-descriptor, each Tx queue has one this QD
244 */
245 typedef struct uec_send_queue_qd {
246 	u32    bd_ring_base; /* pointer to BD ring base address */
247 	u8     res0[0x8];
248 	u32    last_bd_completed_address; /* last entry in BD ring */
249 	u8     res1[0x30];
250 } __attribute__ ((packed)) uec_send_queue_qd_t;
251 
252 /* Send queue memory region */
253 typedef struct uec_send_queue_mem_region {
254 	uec_send_queue_qd_t   sqqd[MAX_TX_QUEUES];
255 } __attribute__ ((packed)) uec_send_queue_mem_region_t;
256 
257 /* Scheduler struct
258 */
259 typedef struct uec_scheduler {
260 	u16  cpucount0;        /* CPU packet counter */
261 	u16  cpucount1;        /* CPU packet counter */
262 	u16  cecount0;         /* QE  packet counter */
263 	u16  cecount1;         /* QE  packet counter */
264 	u16  cpucount2;        /* CPU packet counter */
265 	u16  cpucount3;        /* CPU packet counter */
266 	u16  cecount2;         /* QE  packet counter */
267 	u16  cecount3;         /* QE  packet counter */
268 	u16  cpucount4;        /* CPU packet counter */
269 	u16  cpucount5;        /* CPU packet counter */
270 	u16  cecount4;         /* QE  packet counter */
271 	u16  cecount5;         /* QE  packet counter */
272 	u16  cpucount6;        /* CPU packet counter */
273 	u16  cpucount7;        /* CPU packet counter */
274 	u16  cecount6;         /* QE  packet counter */
275 	u16  cecount7;         /* QE  packet counter */
276 	u32  weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */
277 	u32  rtsrshadow;       /* temporary variable handled by QE */
278 	u32  time;             /* temporary variable handled by QE */
279 	u32  ttl;              /* temporary variable handled by QE */
280 	u32  mblinterval;      /* max burst length interval        */
281 	u16  nortsrbytetime;   /* normalized value of byte time in tsr units */
282 	u8   fracsiz;
283 	u8   res0[1];
284 	u8   strictpriorityq;  /* Strict Priority Mask register */
285 	u8   txasap;           /* Transmit ASAP register        */
286 	u8   extrabw;          /* Extra BandWidth register      */
287 	u8   oldwfqmask;       /* temporary variable handled by QE */
288 	u8   weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */
289 	u32  minw;             /* temporary variable handled by QE */
290 	u8   res1[0x70-0x64];
291 } __attribute__ ((packed)) uec_scheduler_t;
292 
293 /* Tx firmware counters
294 */
295 typedef struct uec_tx_firmware_statistics_pram {
296 	u32  sicoltx;            /* single collision */
297 	u32  mulcoltx;           /* multiple collision */
298 	u32  latecoltxfr;        /* late collision */
299 	u32  frabortduecol;      /* frames aborted due to tx collision */
300 	u32  frlostinmactxer;    /* frames lost due to internal MAC error tx */
301 	u32  carriersenseertx;   /* carrier sense error */
302 	u32  frtxok;             /* frames transmitted OK */
303 	u32  txfrexcessivedefer;
304 	u32  txpkts256;          /* total packets(including bad) 256~511 B */
305 	u32  txpkts512;          /* total packets(including bad) 512~1023B */
306 	u32  txpkts1024;         /* total packets(including bad) 1024~1518B */
307 	u32  txpktsjumbo;        /* total packets(including bad)  >1024 */
308 } __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t;
309 
310 /* Tx global parameter table
311 */
312 typedef struct uec_tx_global_pram {
313 	u16  temoder;
314 	u8   res0[0x38-0x02];
315 	u32  sqptr;
316 	u32  schedulerbasepointer;
317 	u32  txrmonbaseptr;
318 	u32  tstate;
319 	u8   iphoffset[MAX_IPH_OFFSET_ENTRY];
320 	u32  vtagtable[0x8];
321 	u32  tqptr;
322 	u8   res2[0x80-0x74];
323 } __attribute__ ((packed)) uec_tx_global_pram_t;
324 
325 
326 /****** Rx data struct collection ******/
327 /* Rx thread data, each Rx thread has one this struct.
328 */
329 typedef struct uec_thread_data_rx {
330 	u8   res0[40];
331 } __attribute__ ((packed)) uec_thread_data_rx_t;
332 
333 /* Rx thread parameter, each Rx thread has one this struct.
334 */
335 typedef struct uec_thread_rx_pram {
336 	u8   res0[128];
337 } __attribute__ ((packed)) uec_thread_rx_pram_t;
338 
339 /* Rx firmware counters
340 */
341 typedef struct uec_rx_firmware_statistics_pram {
342 	u32   frrxfcser;         /* frames with crc error */
343 	u32   fraligner;         /* frames with alignment error */
344 	u32   inrangelenrxer;    /* in range length error */
345 	u32   outrangelenrxer;   /* out of range length error */
346 	u32   frtoolong;         /* frame too long */
347 	u32   runt;              /* runt */
348 	u32   verylongevent;     /* very long event */
349 	u32   symbolerror;       /* symbol error */
350 	u32   dropbsy;           /* drop because of BD not ready */
351 	u8    res0[0x8];
352 	u32   mismatchdrop;      /* drop because of MAC filtering */
353 	u32   underpkts;         /* total frames less than 64 octets */
354 	u32   pkts256;           /* total frames(including bad)256~511 B */
355 	u32   pkts512;           /* total frames(including bad)512~1023 B */
356 	u32   pkts1024;          /* total frames(including bad)1024~1518 B */
357 	u32   pktsjumbo;         /* total frames(including bad) >1024 B */
358 	u32   frlossinmacer;
359 	u32   pausefr;           /* pause frames */
360 	u8    res1[0x4];
361 	u32   removevlan;
362 	u32   replacevlan;
363 	u32   insertvlan;
364 } __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t;
365 
366 /* Rx interrupt coalescing entry, each Rx queue has one this entry.
367 */
368 typedef struct uec_rx_interrupt_coalescing_entry {
369 	u32   maxvalue;
370 	u32   counter;
371 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t;
372 
373 typedef struct uec_rx_interrupt_coalescing_table {
374 	uec_rx_interrupt_coalescing_entry_t   entry[MAX_RX_QUEUES];
375 } __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t;
376 
377 /* RxBD queue entry, each Rx queue has one this entry.
378 */
379 typedef struct uec_rx_bd_queues_entry {
380 	u32   bdbaseptr;         /* BD base pointer          */
381 	u32   bdptr;             /* BD pointer               */
382 	u32   externalbdbaseptr; /* external BD base pointer */
383 	u32   externalbdptr;     /* external BD pointer      */
384 } __attribute__ ((packed)) uec_rx_bd_queues_entry_t;
385 
386 /* Rx global paramter table
387 */
388 typedef struct uec_rx_global_pram {
389 	u32  remoder;             /* ethernet mode reg. */
390 	u32  rqptr;               /* base pointer to the Rx Queues */
391 	u32  res0[0x1];
392 	u8   res1[0x20-0xC];
393 	u16  typeorlen;
394 	u8   res2[0x1];
395 	u8   rxgstpack;           /* ack on GRACEFUL STOP RX command */
396 	u32  rxrmonbaseptr;       /* Rx RMON statistics base */
397 	u8   res3[0x30-0x28];
398 	u32  intcoalescingptr;    /* Interrupt coalescing table pointer */
399 	u8   res4[0x36-0x34];
400 	u8   rstate;
401 	u8   res5[0x46-0x37];
402 	u16  mrblr;               /* max receive buffer length reg. */
403 	u32  rbdqptr;             /* RxBD parameter table description */
404 	u16  mflr;                /* max frame length reg. */
405 	u16  minflr;              /* min frame length reg. */
406 	u16  maxd1;               /* max dma1 length reg. */
407 	u16  maxd2;               /* max dma2 length reg. */
408 	u32  ecamptr;             /* external CAM address */
409 	u32  l2qt;                /* VLAN priority mapping table. */
410 	u32  l3qt[0x8];           /* IP   priority mapping table. */
411 	u16  vlantype;            /* vlan type */
412 	u16  vlantci;             /* default vlan tci */
413 	u8   addressfiltering[64];/* address filtering data structure */
414 	u32  exfGlobalParam;      /* extended filtering global parameters */
415 	u8   res6[0x100-0xC4];    /* Initialize to zero */
416 } __attribute__ ((packed)) uec_rx_global_pram_t;
417 
418 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
419 
420 
421 /****** UEC common ******/
422 /* UCC statistics - hardware counters
423 */
424 typedef struct uec_hardware_statistics {
425 	u32 tx64;
426 	u32 tx127;
427 	u32 tx255;
428 	u32 rx64;
429 	u32 rx127;
430 	u32 rx255;
431 	u32 txok;
432 	u16 txcf;
433 	u32 tmca;
434 	u32 tbca;
435 	u32 rxfok;
436 	u32 rxbok;
437 	u32 rbyt;
438 	u32 rmca;
439 	u32 rbca;
440 } __attribute__ ((packed)) uec_hardware_statistics_t;
441 
442 /* InitEnet command parameter
443 */
444 typedef struct uec_init_cmd_pram {
445 	u8   resinit0;
446 	u8   resinit1;
447 	u8   resinit2;
448 	u8   resinit3;
449 	u16  resinit4;
450 	u8   res1[0x1];
451 	u8   largestexternallookupkeysize;
452 	u32  rgftgfrxglobal;
453 	u32  rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */
454 	u8   res2[0x38 - 0x30];
455 	u32  txglobal;				   /* tx global  */
456 	u32  txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */
457 	u8   res3[0x1];
458 } __attribute__ ((packed)) uec_init_cmd_pram_t;
459 
460 #define ENET_INIT_PARAM_RGF_SHIFT		(32 - 4)
461 #define ENET_INIT_PARAM_TGF_SHIFT		(32 - 8)
462 
463 #define ENET_INIT_PARAM_RISC_MASK		0x0000003f
464 #define ENET_INIT_PARAM_PTR_MASK		0x00ffffc0
465 #define ENET_INIT_PARAM_SNUM_MASK		0xff000000
466 #define ENET_INIT_PARAM_SNUM_SHIFT		24
467 
468 #define ENET_INIT_PARAM_MAGIC_RES_INIT0		0x06
469 #define ENET_INIT_PARAM_MAGIC_RES_INIT1		0x30
470 #define ENET_INIT_PARAM_MAGIC_RES_INIT2		0xff
471 #define ENET_INIT_PARAM_MAGIC_RES_INIT3		0x00
472 #define ENET_INIT_PARAM_MAGIC_RES_INIT4		0x0400
473 
474 /* structure representing 82xx Address Filtering Enet Address in PRAM
475 */
476 typedef struct uec_82xx_enet_address {
477 	u8   res1[0x2];
478 	u16  h;       /* address (MSB) */
479 	u16  m;       /* address       */
480 	u16  l;       /* address (LSB) */
481 } __attribute__ ((packed)) uec_82xx_enet_address_t;
482 
483 /* structure representing 82xx Address Filtering PRAM
484 */
485 typedef struct uec_82xx_address_filtering_pram {
486 	u32  iaddr_h;        /* individual address filter, high */
487 	u32  iaddr_l;        /* individual address filter, low  */
488 	u32  gaddr_h;        /* group address filter, high      */
489 	u32  gaddr_l;        /* group address filter, low       */
490 	uec_82xx_enet_address_t    taddr;
491 	uec_82xx_enet_address_t    paddr[4];
492 	u8                         res0[0x40-0x38];
493 } __attribute__ ((packed)) uec_82xx_address_filtering_pram_t;
494 
495 /* Buffer Descriptor
496 */
497 typedef struct buffer_descriptor {
498 	u16 status;
499 	u16 len;
500 	u32 data;
501 } __attribute__ ((packed)) qe_bd_t, *p_bd_t;
502 
503 #define	SIZEOFBD		sizeof(qe_bd_t)
504 
505 /* Common BD flags
506 */
507 #define BD_WRAP			0x2000
508 #define BD_INT			0x1000
509 #define BD_LAST			0x0800
510 #define BD_CLEAN		0x3000
511 
512 /* TxBD status flags
513 */
514 #define TxBD_READY		0x8000
515 #define TxBD_PADCRC		0x4000
516 #define TxBD_WRAP		BD_WRAP
517 #define TxBD_INT		BD_INT
518 #define TxBD_LAST		BD_LAST
519 #define TxBD_TXCRC		0x0400
520 #define TxBD_DEF		0x0200
521 #define TxBD_PP			0x0100
522 #define TxBD_LC			0x0080
523 #define TxBD_RL			0x0040
524 #define TxBD_RC			0x003C
525 #define TxBD_UNDERRUN		0x0002
526 #define TxBD_TRUNC		0x0001
527 
528 #define TxBD_ERROR		(TxBD_UNDERRUN | TxBD_TRUNC)
529 
530 /* RxBD status flags
531 */
532 #define RxBD_EMPTY		0x8000
533 #define RxBD_OWNER		0x4000
534 #define RxBD_WRAP		BD_WRAP
535 #define RxBD_INT		BD_INT
536 #define RxBD_LAST		BD_LAST
537 #define RxBD_FIRST		0x0400
538 #define RxBD_CMR		0x0200
539 #define RxBD_MISS		0x0100
540 #define RxBD_BCAST		0x0080
541 #define RxBD_MCAST		0x0040
542 #define RxBD_LG			0x0020
543 #define RxBD_NO			0x0010
544 #define RxBD_SHORT		0x0008
545 #define RxBD_CRCERR		0x0004
546 #define RxBD_OVERRUN		0x0002
547 #define RxBD_IPCH		0x0001
548 
549 #define RxBD_ERROR		(RxBD_LG | RxBD_NO | RxBD_SHORT | \
550 				 RxBD_CRCERR | RxBD_OVERRUN)
551 
552 /* BD access macros
553 */
554 #define BD_STATUS(_bd)			(((p_bd_t)(_bd))->status)
555 #define BD_STATUS_SET(_bd, _val)	(((p_bd_t)(_bd))->status = _val)
556 #define BD_LENGTH(_bd)			(((p_bd_t)(_bd))->len)
557 #define BD_LENGTH_SET(_bd, _val)	(((p_bd_t)(_bd))->len = _val)
558 #define BD_DATA_CLEAR(_bd)		(((p_bd_t)(_bd))->data = 0)
559 #define BD_IS_DATA(_bd)			(((p_bd_t)(_bd))->data)
560 #define BD_DATA(_bd)			((u8 *)(((p_bd_t)(_bd))->data))
561 #define BD_DATA_SET(_bd, _data)		(((p_bd_t)(_bd))->data = (u32)(_data))
562 #define BD_ADVANCE(_bd,_status,_base)	\
563 	(((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd))
564 
565 /* Rx Prefetched BDs
566 */
567 typedef struct uec_rx_prefetched_bds {
568     qe_bd_t   bd[MAX_PREFETCHED_BDS]; /* prefetched bd */
569 } __attribute__ ((packed)) uec_rx_prefetched_bds_t;
570 
571 /* Alignments
572  */
573 #define UEC_RX_GLOBAL_PRAM_ALIGNMENT				64
574 #define UEC_TX_GLOBAL_PRAM_ALIGNMENT				64
575 #define UEC_THREAD_RX_PRAM_ALIGNMENT				128
576 #define UEC_THREAD_TX_PRAM_ALIGNMENT				64
577 #define UEC_THREAD_DATA_ALIGNMENT				256
578 #define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT		32
579 #define UEC_SCHEDULER_ALIGNMENT					4
580 #define UEC_TX_STATISTICS_ALIGNMENT				4
581 #define UEC_RX_STATISTICS_ALIGNMENT				4
582 #define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT			4
583 #define UEC_RX_BD_QUEUES_ALIGNMENT				8
584 #define UEC_RX_PREFETCHED_BDS_ALIGNMENT				128
585 #define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT	4
586 #define UEC_RX_BD_RING_ALIGNMENT				32
587 #define UEC_TX_BD_RING_ALIGNMENT				32
588 #define UEC_MRBLR_ALIGNMENT					128
589 #define UEC_RX_BD_RING_SIZE_ALIGNMENT				4
590 #define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT			32
591 #define UEC_RX_DATA_BUF_ALIGNMENT				64
592 
593 #define UEC_VLAN_PRIORITY_MAX					8
594 #define UEC_IP_PRIORITY_MAX					64
595 #define UEC_TX_VTAG_TABLE_ENTRY_MAX				8
596 #define UEC_RX_BD_RING_SIZE_MIN					8
597 #define UEC_TX_BD_RING_SIZE_MIN					2
598 
599 /* Ethernet speed
600 */
601 typedef enum enet_speed {
602 	ENET_SPEED_10BT,   /* 10 Base T */
603 	ENET_SPEED_100BT,  /* 100 Base T */
604 	ENET_SPEED_1000BT  /* 1000 Base T */
605 } enet_speed_e;
606 
607 /* Ethernet Address Type.
608 */
609 typedef enum enet_addr_type {
610 	ENET_ADDR_TYPE_INDIVIDUAL,
611 	ENET_ADDR_TYPE_GROUP,
612 	ENET_ADDR_TYPE_BROADCAST
613 } enet_addr_type_e;
614 
615 /* TBI / MII Set Register
616 */
617 typedef enum enet_tbi_mii_reg {
618 	ENET_TBI_MII_CR        = 0x00,
619 	ENET_TBI_MII_SR        = 0x01,
620 	ENET_TBI_MII_ANA       = 0x04,
621 	ENET_TBI_MII_ANLPBPA   = 0x05,
622 	ENET_TBI_MII_ANEX      = 0x06,
623 	ENET_TBI_MII_ANNPT     = 0x07,
624 	ENET_TBI_MII_ANLPANP   = 0x08,
625 	ENET_TBI_MII_EXST      = 0x0F,
626 	ENET_TBI_MII_JD        = 0x10,
627 	ENET_TBI_MII_TBICON    = 0x11
628 } enet_tbi_mii_reg_e;
629 
630 /* TBI MDIO register bit fields*/
631 #define TBICON_CLK_SELECT	0x0020
632 #define TBIANA_ASYMMETRIC_PAUSE	0x0100
633 #define TBIANA_SYMMETRIC_PAUSE	0x0080
634 #define TBIANA_HALF_DUPLEX	0x0040
635 #define TBIANA_FULL_DUPLEX	0x0020
636 #define TBICR_PHY_RESET		0x8000
637 #define TBICR_ANEG_ENABLE	0x1000
638 #define TBICR_RESTART_ANEG	0x0200
639 #define TBICR_FULL_DUPLEX	0x0100
640 #define TBICR_SPEED1_SET	0x0040
641 
642 #define TBIANA_SETTINGS ( \
643 		TBIANA_ASYMMETRIC_PAUSE \
644 		| TBIANA_SYMMETRIC_PAUSE \
645 		| TBIANA_FULL_DUPLEX \
646 		)
647 
648 #define TBICR_SETTINGS ( \
649 		TBICR_PHY_RESET \
650 		| TBICR_ANEG_ENABLE \
651 		| TBICR_FULL_DUPLEX \
652 		| TBICR_SPEED1_SET \
653 		)
654 
655 /* UEC number of threads
656 */
657 typedef enum uec_num_of_threads {
658 	UEC_NUM_OF_THREADS_1  = 0x1,  /* 1 */
659 	UEC_NUM_OF_THREADS_2  = 0x2,  /* 2 */
660 	UEC_NUM_OF_THREADS_4  = 0x0,  /* 4 */
661 	UEC_NUM_OF_THREADS_6  = 0x3,  /* 6 */
662 	UEC_NUM_OF_THREADS_8  = 0x4   /* 8 */
663 } uec_num_of_threads_e;
664 
665 /* UEC initialization info struct
666 */
667 #define STD_UEC_INFO(num) \
668 {			\
669 	.uf_info		= {	\
670 		.ucc_num	= CONFIG_SYS_UEC##num##_UCC_NUM,\
671 		.rx_clock	= CONFIG_SYS_UEC##num##_RX_CLK,	\
672 		.tx_clock	= CONFIG_SYS_UEC##num##_TX_CLK,	\
673 		.eth_type	= CONFIG_SYS_UEC##num##_ETH_TYPE,\
674 	},	\
675 	.num_threads_tx		= UEC_NUM_OF_THREADS_1,	\
676 	.num_threads_rx		= UEC_NUM_OF_THREADS_1,	\
677 	.risc_tx		= QE_RISC_ALLOCATION_RISC1_AND_RISC2, \
678 	.risc_rx		= QE_RISC_ALLOCATION_RISC1_AND_RISC2, \
679 	.tx_bd_ring_len		= 16,	\
680 	.rx_bd_ring_len		= 16,	\
681 	.phy_address		= CONFIG_SYS_UEC##num##_PHY_ADDR, \
682 	.enet_interface_type	= CONFIG_SYS_UEC##num##_INTERFACE_TYPE, \
683 	.speed			= CONFIG_SYS_UEC##num##_INTERFACE_SPEED, \
684 }
685 
686 typedef struct uec_info {
687 	ucc_fast_info_t			uf_info;
688 	uec_num_of_threads_e		num_threads_tx;
689 	uec_num_of_threads_e		num_threads_rx;
690 	unsigned int			risc_tx;
691 	unsigned int			risc_rx;
692 	u16				rx_bd_ring_len;
693 	u16				tx_bd_ring_len;
694 	u8				phy_address;
695 	phy_interface_t			enet_interface_type;
696 	int				speed;
697 } uec_info_t;
698 
699 /* UEC driver initialized info
700 */
701 #define MAX_RXBUF_LEN			1536
702 #define MAX_FRAME_LEN			1518
703 #define MIN_FRAME_LEN			64
704 #define MAX_DMA1_LEN			1520
705 #define MAX_DMA2_LEN			1520
706 
707 /* UEC driver private struct
708 */
709 typedef struct uec_private {
710 	uec_info_t			*uec_info;
711 	ucc_fast_private_t		*uccf;
712 	struct eth_device		*dev;
713 	uec_t				*uec_regs;
714 	uec_mii_t			*uec_mii_regs;
715 	/* enet init command parameter */
716 	uec_init_cmd_pram_t		*p_init_enet_param;
717 	u32				init_enet_param_offset;
718 	/* Rx and Tx paramter */
719 	uec_rx_global_pram_t		*p_rx_glbl_pram;
720 	u32				rx_glbl_pram_offset;
721 	uec_tx_global_pram_t		*p_tx_glbl_pram;
722 	u32				tx_glbl_pram_offset;
723 	uec_send_queue_mem_region_t	*p_send_q_mem_reg;
724 	u32				send_q_mem_reg_offset;
725 	uec_thread_data_tx_t		*p_thread_data_tx;
726 	u32				thread_dat_tx_offset;
727 	uec_thread_data_rx_t		*p_thread_data_rx;
728 	u32				thread_dat_rx_offset;
729 	uec_rx_bd_queues_entry_t	*p_rx_bd_qs_tbl;
730 	u32				rx_bd_qs_tbl_offset;
731 	/* BDs specific */
732 	u8				*p_tx_bd_ring;
733 	u32				tx_bd_ring_offset;
734 	u8				*p_rx_bd_ring;
735 	u32				rx_bd_ring_offset;
736 	u8				*p_rx_buf;
737 	u32				rx_buf_offset;
738 	volatile qe_bd_t		*txBd;
739 	volatile qe_bd_t		*rxBd;
740 	/* Status */
741 	int				mac_tx_enabled;
742 	int				mac_rx_enabled;
743 	int				grace_stopped_tx;
744 	int				grace_stopped_rx;
745 	int				the_first_run;
746 	/* PHY specific */
747 	struct uec_mii_info		*mii_info;
748 	int				oldspeed;
749 	int				oldduplex;
750 	int				oldlink;
751 } uec_private_t;
752 
753 int uec_initialize(bd_t *bis, uec_info_t *uec_info);
754 int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num);
755 int uec_standard_init(bd_t *bis);
756 #endif /* __UEC_H__ */
757