1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) Freescale Semicondutor, Inc. 2006-2009. All rights reserved.
4 *
5 * Author: Shlomi Gridish <gridish@freescale.com>
6 *
7 * Description:
8 * Internal header file for UCC Gigabit Ethernet unit routines.
9 *
10 * Changelog:
11 * Jun 28, 2006 Li Yang <LeoLi@freescale.com>
12 * - Rearrange code and style fixes
13 */
14#ifndef __UCC_GETH_H__
15#define __UCC_GETH_H__
16
17#include <linux/kernel.h>
18#include <linux/list.h>
19#include <linux/if_ether.h>
20
21#include <soc/fsl/qe/immap_qe.h>
22#include <soc/fsl/qe/qe.h>
23
24#include <soc/fsl/qe/ucc.h>
25#include <soc/fsl/qe/ucc_fast.h>
26
27#define DRV_DESC "QE UCC Gigabit Ethernet Controller"
28#define DRV_NAME "ucc_geth"
29
30#define NUM_TX_QUEUES                   8
31#define NUM_RX_QUEUES                   8
32#define NUM_BDS_IN_PREFETCHED_BDS       4
33#define TX_IP_OFFSET_ENTRY_MAX          8
34#define NUM_OF_PADDRS                   4
35#define ENET_INIT_PARAM_MAX_ENTRIES_RX  9
36#define ENET_INIT_PARAM_MAX_ENTRIES_TX  8
37
38struct ucc_geth {
39	struct ucc_fast uccf;
40	u8 res0[0x100 - sizeof(struct ucc_fast)];
41
42	u32 maccfg1;		/* mac configuration reg. 1 */
43	u32 maccfg2;		/* mac configuration reg. 2 */
44	u32 ipgifg;		/* interframe gap reg.  */
45	u32 hafdup;		/* half-duplex reg.  */
46	u8 res1[0x10];
47	u8 miimng[0x18];	/* MII management structure moved to _mii.h */
48	u32 ifctl;		/* interface control reg */
49	u32 ifstat;		/* interface statux reg */
50	u32 macstnaddr1;	/* mac station address part 1 reg */
51	u32 macstnaddr2;	/* mac station address part 2 reg */
52	u8 res2[0x8];
53	u32 uempr;		/* UCC Ethernet Mac parameter reg */
54	u32 utbipar;		/* UCC tbi address reg */
55	u16 uescr;		/* UCC Ethernet statistics control reg */
56	u8 res3[0x180 - 0x15A];
57	u32 tx64;		/* Total number of frames (including bad
58				   frames) transmitted that were exactly of the
59				   minimal length (64 for un tagged, 68 for
60				   tagged, or with length exactly equal to the
61				   parameter MINLength */
62	u32 tx127;		/* Total number of frames (including bad
63				   frames) transmitted that were between
64				   MINLength (Including FCS length==4) and 127
65				   octets */
66	u32 tx255;		/* Total number of frames (including bad
67				   frames) transmitted that were between 128
68				   (Including FCS length==4) and 255 octets */
69	u32 rx64;		/* Total number of frames received including
70				   bad frames that were exactly of the mninimal
71				   length (64 bytes) */
72	u32 rx127;		/* Total number of frames (including bad
73				   frames) received that were between MINLength
74				   (Including FCS length==4) and 127 octets */
75	u32 rx255;		/* Total number of frames (including bad
76				   frames) received that were between 128
77				   (Including FCS length==4) and 255 octets */
78	u32 txok;		/* Total number of octets residing in frames
79				   that where involved in successful
80				   transmission */
81	u16 txcf;		/* Total number of PAUSE control frames
82				   transmitted by this MAC */
83	u8 res4[0x2];
84	u32 tmca;		/* Total number of frames that were transmitted
85				   successfully with the group address bit set
86				   that are not broadcast frames */
87	u32 tbca;		/* Total number of frames transmitted
88				   successfully that had destination address
89				   field equal to the broadcast address */
90	u32 rxfok;		/* Total number of frames received OK */
91	u32 rxbok;		/* Total number of octets received OK */
92	u32 rbyt;		/* Total number of octets received including
93				   octets in bad frames. Must be implemented in
94				   HW because it includes octets in frames that
95				   never even reach the UCC */
96	u32 rmca;		/* Total number of frames that were received
97				   successfully with the group address bit set
98				   that are not broadcast frames */
99	u32 rbca;		/* Total number of frames received successfully
100				   that had destination address equal to the
101				   broadcast address */
102	u32 scar;		/* Statistics carry register */
103	u32 scam;		/* Statistics caryy mask register */
104	u8 res5[0x200 - 0x1c4];
105} __packed;
106
107/* UCC GETH TEMODR Register */
108#define TEMODER_TX_RMON_STATISTICS_ENABLE       0x0100	/* enable Tx statistics
109							 */
110#define TEMODER_SCHEDULER_ENABLE                0x2000	/* enable scheduler */
111#define TEMODER_IP_CHECKSUM_GENERATE            0x0400	/* generate IPv4
112							   checksums */
113#define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1  0x0200	/* enable performance
114							   optimization
115							   enhancement (mode1) */
116#define TEMODER_RMON_STATISTICS                 0x0100	/* enable tx statistics
117							 */
118#define TEMODER_NUM_OF_QUEUES_SHIFT             (15-15)	/* Number of queues <<
119							   shift */
120
121/* UCC GETH TEMODR Register */
122#define REMODER_RX_RMON_STATISTICS_ENABLE       0x00001000	/* enable Rx
123								   statistics */
124#define REMODER_RX_EXTENDED_FEATURES            0x80000000	/* enable
125								   extended
126								   features */
127#define REMODER_VLAN_OPERATION_TAGGED_SHIFT     (31-9 )	/* vlan operation
128							   tagged << shift */
129#define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31-10)	/* vlan operation non
130							   tagged << shift */
131#define REMODER_RX_QOS_MODE_SHIFT               (31-15)	/* rx QoS mode << shift
132							 */
133#define REMODER_RMON_STATISTICS                 0x00001000	/* enable rx
134								   statistics */
135#define REMODER_RX_EXTENDED_FILTERING           0x00000800	/* extended
136								   filtering
137								   vs.
138								   mpc82xx-like
139								   filtering */
140#define REMODER_NUM_OF_QUEUES_SHIFT             (31-23)	/* Number of queues <<
141							   shift */
142#define REMODER_DYNAMIC_MAX_FRAME_LENGTH        0x00000008	/* enable
143								   dynamic max
144								   frame length
145								 */
146#define REMODER_DYNAMIC_MIN_FRAME_LENGTH        0x00000004	/* enable
147								   dynamic min
148								   frame length
149								 */
150#define REMODER_IP_CHECKSUM_CHECK               0x00000002	/* check IPv4
151								   checksums */
152#define REMODER_IP_ADDRESS_ALIGNMENT            0x00000001	/* align ip
153								   address to
154								   4-byte
155								   boundary */
156
157/* UCC GETH Event Register */
158#define UCCE_TXB   (UCC_GETH_UCCE_TXB7 | UCC_GETH_UCCE_TXB6 | \
159		    UCC_GETH_UCCE_TXB5 | UCC_GETH_UCCE_TXB4 | \
160		    UCC_GETH_UCCE_TXB3 | UCC_GETH_UCCE_TXB2 | \
161		    UCC_GETH_UCCE_TXB1 | UCC_GETH_UCCE_TXB0)
162
163#define UCCE_RXB   (UCC_GETH_UCCE_RXB7 | UCC_GETH_UCCE_RXB6 | \
164		    UCC_GETH_UCCE_RXB5 | UCC_GETH_UCCE_RXB4 | \
165		    UCC_GETH_UCCE_RXB3 | UCC_GETH_UCCE_RXB2 | \
166		    UCC_GETH_UCCE_RXB1 | UCC_GETH_UCCE_RXB0)
167
168#define UCCE_RXF   (UCC_GETH_UCCE_RXF7 | UCC_GETH_UCCE_RXF6 | \
169		    UCC_GETH_UCCE_RXF5 | UCC_GETH_UCCE_RXF4 | \
170		    UCC_GETH_UCCE_RXF3 | UCC_GETH_UCCE_RXF2 | \
171		    UCC_GETH_UCCE_RXF1 | UCC_GETH_UCCE_RXF0)
172
173#define UCCE_OTHER (UCC_GETH_UCCE_SCAR | UCC_GETH_UCCE_GRA | \
174		    UCC_GETH_UCCE_CBPR | UCC_GETH_UCCE_BSY | \
175		    UCC_GETH_UCCE_RXC  | UCC_GETH_UCCE_TXC | UCC_GETH_UCCE_TXE)
176
177#define UCCE_RX_EVENTS  (UCCE_RXF | UCC_GETH_UCCE_BSY)
178#define UCCE_TX_EVENTS	(UCCE_TXB | UCC_GETH_UCCE_TXE)
179
180/* TBI defines */
181#define	ENET_TBI_MII_CR		0x00	/* Control */
182#define	ENET_TBI_MII_SR		0x01	/* Status */
183#define	ENET_TBI_MII_ANA	0x04	/* AN advertisement */
184#define	ENET_TBI_MII_ANLPBPA	0x05	/* AN link partner base page ability */
185#define	ENET_TBI_MII_ANEX	0x06	/* AN expansion */
186#define	ENET_TBI_MII_ANNPT	0x07	/* AN next page transmit */
187#define	ENET_TBI_MII_ANLPANP	0x08	/* AN link partner ability next page */
188#define	ENET_TBI_MII_EXST	0x0F	/* Extended status */
189#define	ENET_TBI_MII_JD		0x10	/* Jitter diagnostics */
190#define	ENET_TBI_MII_TBICON	0x11	/* TBI control */
191
192/* TBI MDIO register bit fields*/
193#define TBISR_LSTATUS          0x0004
194#define TBICON_CLK_SELECT       0x0020
195#define TBIANA_ASYMMETRIC_PAUSE 0x0100
196#define TBIANA_SYMMETRIC_PAUSE  0x0080
197#define TBIANA_HALF_DUPLEX      0x0040
198#define TBIANA_FULL_DUPLEX      0x0020
199#define TBICR_PHY_RESET         0x8000
200#define TBICR_ANEG_ENABLE       0x1000
201#define TBICR_RESTART_ANEG      0x0200
202#define TBICR_FULL_DUPLEX       0x0100
203#define TBICR_SPEED1_SET        0x0040
204
205#define TBIANA_SETTINGS ( \
206		TBIANA_ASYMMETRIC_PAUSE \
207		| TBIANA_SYMMETRIC_PAUSE \
208		| TBIANA_FULL_DUPLEX \
209		)
210#define TBICR_SETTINGS ( \
211		TBICR_PHY_RESET \
212		| TBICR_ANEG_ENABLE \
213		| TBICR_FULL_DUPLEX \
214		| TBICR_SPEED1_SET \
215		)
216
217/* UCC GETH MACCFG1 (MAC Configuration 1 Register) */
218#define MACCFG1_FLOW_RX                         0x00000020	/* Flow Control
219								   Rx */
220#define MACCFG1_FLOW_TX                         0x00000010	/* Flow Control
221								   Tx */
222#define MACCFG1_ENABLE_SYNCHED_RX               0x00000008	/* Rx Enable
223								   synchronized
224								   to Rx stream
225								 */
226#define MACCFG1_ENABLE_RX                       0x00000004	/* Enable Rx */
227#define MACCFG1_ENABLE_SYNCHED_TX               0x00000002	/* Tx Enable
228								   synchronized
229								   to Tx stream
230								 */
231#define MACCFG1_ENABLE_TX                       0x00000001	/* Enable Tx */
232
233/* UCC GETH MACCFG2 (MAC Configuration 2 Register) */
234#define MACCFG2_PREL_SHIFT                      (31 - 19)	/* Preamble
235								   Length <<
236								   shift */
237#define MACCFG2_PREL_MASK                       0x0000f000	/* Preamble
238								   Length mask */
239#define MACCFG2_SRP                             0x00000080	/* Soft Receive
240								   Preamble */
241#define MACCFG2_STP                             0x00000040	/* Soft
242								   Transmit
243								   Preamble */
244#define MACCFG2_RESERVED_1                      0x00000020	/* Reserved -
245								   must be set
246								   to 1 */
247#define MACCFG2_LC                              0x00000010	/* Length Check
248								 */
249#define MACCFG2_MPE                             0x00000008	/* Magic packet
250								   detect */
251#define MACCFG2_FDX                             0x00000001	/* Full Duplex */
252#define MACCFG2_FDX_MASK                        0x00000001	/* Full Duplex
253								   mask */
254#define MACCFG2_PAD_CRC                         0x00000004
255#define MACCFG2_CRC_EN                          0x00000002
256#define MACCFG2_PAD_AND_CRC_MODE_NONE           0x00000000	/* Neither
257								   Padding
258								   short frames
259								   nor CRC */
260#define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY       0x00000002	/* Append CRC
261								   only */
262#define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC    0x00000004
263#define MACCFG2_INTERFACE_MODE_NIBBLE           0x00000100	/* nibble mode
264								   (MII/RMII/RGMII
265								   10/100bps) */
266#define MACCFG2_INTERFACE_MODE_BYTE             0x00000200	/* byte mode
267								   (GMII/TBI/RTB/RGMII
268								   1000bps ) */
269#define MACCFG2_INTERFACE_MODE_MASK             0x00000300	/* mask
270								   covering all
271								   relevant
272								   bits */
273
274/* UCC GETH IPGIFG (Inter-frame Gap / Inter-Frame Gap Register) */
275#define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT (31 -  7)	/* Non
276								   back-to-back
277								   inter frame
278								   gap part 1.
279								   << shift */
280#define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT (31 - 15)	/* Non
281								   back-to-back
282								   inter frame
283								   gap part 2.
284								   << shift */
285#define IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT    (31 - 23)	/* Mimimum IFG
286								   Enforcement
287								   << shift */
288#define IPGIFG_BACK_TO_BACK_IFG_SHIFT           (31 - 31)	/* back-to-back
289								   inter frame
290								   gap << shift
291								 */
292#define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX   127	/* Non back-to-back
293							   inter frame gap part
294							   1. max val */
295#define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX   127	/* Non back-to-back
296							   inter frame gap part
297							   2. max val */
298#define IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX      255	/* Mimimum IFG
299							   Enforcement max val */
300#define IPGIFG_BACK_TO_BACK_IFG_MAX             127	/* back-to-back inter
301							   frame gap max val */
302#define IPGIFG_NBTB_CS_IPG_MASK                 0x7F000000
303#define IPGIFG_NBTB_IPG_MASK                    0x007F0000
304#define IPGIFG_MIN_IFG_MASK                     0x0000FF00
305#define IPGIFG_BTB_IPG_MASK                     0x0000007F
306
307/* UCC GETH HAFDUP (Half Duplex Register) */
308#define HALFDUP_ALT_BEB_TRUNCATION_SHIFT        (31 - 11)	/* Alternate
309								   Binary
310								   Exponential
311								   Backoff
312								   Truncation
313								   << shift */
314#define HALFDUP_ALT_BEB_TRUNCATION_MAX          0xf	/* Alternate Binary
315							   Exponential Backoff
316							   Truncation max val */
317#define HALFDUP_ALT_BEB                         0x00080000	/* Alternate
318								   Binary
319								   Exponential
320								   Backoff */
321#define HALFDUP_BACK_PRESSURE_NO_BACKOFF        0x00040000	/* Back
322								   pressure no
323								   backoff */
324#define HALFDUP_NO_BACKOFF                      0x00020000	/* No Backoff */
325#define HALFDUP_EXCESSIVE_DEFER                 0x00010000	/* Excessive
326								   Defer */
327#define HALFDUP_MAX_RETRANSMISSION_SHIFT        (31 - 19)	/* Maximum
328								   Retransmission
329								   << shift */
330#define HALFDUP_MAX_RETRANSMISSION_MAX          0xf	/* Maximum
331							   Retransmission max
332							   val */
333#define HALFDUP_COLLISION_WINDOW_SHIFT          (31 - 31)	/* Collision
334								   Window <<
335								   shift */
336#define HALFDUP_COLLISION_WINDOW_MAX            0x3f	/* Collision Window max
337							   val */
338#define HALFDUP_ALT_BEB_TR_MASK                 0x00F00000
339#define HALFDUP_RETRANS_MASK                    0x0000F000
340#define HALFDUP_COL_WINDOW_MASK                 0x0000003F
341
342/* UCC GETH UCCS (Ethernet Status Register) */
343#define UCCS_BPR                                0x02	/* Back pressure (in
344							   half duplex mode) */
345#define UCCS_PAU                                0x02	/* Pause state (in full
346							   duplex mode) */
347#define UCCS_MPD                                0x01	/* Magic Packet
348							   Detected */
349
350/* UCC GETH IFSTAT (Interface Status Register) */
351#define IFSTAT_EXCESS_DEFER                     0x00000200	/* Excessive
352								   transmission
353								   defer */
354
355/* UCC GETH MACSTNADDR1 (Station Address Part 1 Register) */
356#define MACSTNADDR1_OCTET_6_SHIFT               (31 -  7)	/* Station
357								   address 6th
358								   octet <<
359								   shift */
360#define MACSTNADDR1_OCTET_5_SHIFT               (31 - 15)	/* Station
361								   address 5th
362								   octet <<
363								   shift */
364#define MACSTNADDR1_OCTET_4_SHIFT               (31 - 23)	/* Station
365								   address 4th
366								   octet <<
367								   shift */
368#define MACSTNADDR1_OCTET_3_SHIFT               (31 - 31)	/* Station
369								   address 3rd
370								   octet <<
371								   shift */
372
373/* UCC GETH MACSTNADDR2 (Station Address Part 2 Register) */
374#define MACSTNADDR2_OCTET_2_SHIFT               (31 -  7)	/* Station
375								   address 2nd
376								   octet <<
377								   shift */
378#define MACSTNADDR2_OCTET_1_SHIFT               (31 - 15)	/* Station
379								   address 1st
380								   octet <<
381								   shift */
382
383/* UCC GETH UEMPR (Ethernet Mac Parameter Register) */
384#define UEMPR_PAUSE_TIME_VALUE_SHIFT            (31 - 15)	/* Pause time
385								   value <<
386								   shift */
387#define UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT   (31 - 31)	/* Extended
388								   pause time
389								   value <<
390								   shift */
391
392/* UCC GETH UTBIPAR (Ten Bit Interface Physical Address Register) */
393#define UTBIPAR_PHY_ADDRESS_SHIFT               (31 - 31)	/* Phy address
394								   << shift */
395#define UTBIPAR_PHY_ADDRESS_MASK                0x0000001f	/* Phy address
396								   mask */
397
398/* UCC GETH UESCR (Ethernet Statistics Control Register) */
399#define UESCR_AUTOZ                             0x8000	/* Automatically zero
400							   addressed
401							   statistical counter
402							   values */
403#define UESCR_CLRCNT                            0x4000	/* Clear all statistics
404							   counters */
405#define UESCR_MAXCOV_SHIFT                      (15 -  7)	/* Max
406								   Coalescing
407								   Value <<
408								   shift */
409#define UESCR_SCOV_SHIFT                        (15 - 15)	/* Status
410								   Coalescing
411								   Value <<
412								   shift */
413
414/* UCC GETH UDSR (Data Synchronization Register) */
415#define UDSR_MAGIC                              0x067E
416
417struct ucc_geth_thread_data_tx {
418	u8 res0[104];
419} __packed;
420
421struct ucc_geth_thread_data_rx {
422	u8 res0[40];
423} __packed;
424
425/* Send Queue Queue-Descriptor */
426struct ucc_geth_send_queue_qd {
427	u32 bd_ring_base;	/* pointer to BD ring base address */
428	u8 res0[0x8];
429	u32 last_bd_completed_address;/* initialize to last entry in BD ring */
430	u8 res1[0x30];
431} __packed;
432
433struct ucc_geth_send_queue_mem_region {
434	struct ucc_geth_send_queue_qd sqqd[NUM_TX_QUEUES];
435} __packed;
436
437struct ucc_geth_thread_tx_pram {
438	u8 res0[64];
439} __packed;
440
441struct ucc_geth_thread_rx_pram {
442	u8 res0[128];
443} __packed;
444
445#define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING        64
446#define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8      64
447#define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16     96
448
449struct ucc_geth_scheduler {
450	u16 cpucount0;		/* CPU packet counter */
451	u16 cpucount1;		/* CPU packet counter */
452	u16 cecount0;		/* QE packet counter */
453	u16 cecount1;		/* QE packet counter */
454	u16 cpucount2;		/* CPU packet counter */
455	u16 cpucount3;		/* CPU packet counter */
456	u16 cecount2;		/* QE packet counter */
457	u16 cecount3;		/* QE packet counter */
458	u16 cpucount4;		/* CPU packet counter */
459	u16 cpucount5;		/* CPU packet counter */
460	u16 cecount4;		/* QE packet counter */
461	u16 cecount5;		/* QE packet counter */
462	u16 cpucount6;		/* CPU packet counter */
463	u16 cpucount7;		/* CPU packet counter */
464	u16 cecount6;		/* QE packet counter */
465	u16 cecount7;		/* QE packet counter */
466	u32 weightstatus[NUM_TX_QUEUES];	/* accumulated weight factor */
467	u32 rtsrshadow;		/* temporary variable handled by QE */
468	u32 time;		/* temporary variable handled by QE */
469	u32 ttl;		/* temporary variable handled by QE */
470	u32 mblinterval;	/* max burst length interval */
471	u16 nortsrbytetime;	/* normalized value of byte time in tsr units */
472	u8 fracsiz;		/* radix 2 log value of denom. of
473				   NorTSRByteTime */
474	u8 res0[1];
475	u8 strictpriorityq;	/* Strict Priority Mask register */
476	u8 txasap;		/* Transmit ASAP register */
477	u8 extrabw;		/* Extra BandWidth register */
478	u8 oldwfqmask;		/* temporary variable handled by QE */
479	u8 weightfactor[NUM_TX_QUEUES];
480				      /**< weight factor for queues   */
481	u32 minw;		/* temporary variable handled by QE */
482	u8 res1[0x70 - 0x64];
483} __packed;
484
485struct ucc_geth_tx_firmware_statistics_pram {
486	u32 sicoltx;		/* single collision */
487	u32 mulcoltx;		/* multiple collision */
488	u32 latecoltxfr;	/* late collision */
489	u32 frabortduecol;	/* frames aborted due to transmit collision */
490	u32 frlostinmactxer;	/* frames lost due to internal MAC error
491				   transmission that are not counted on any
492				   other counter */
493	u32 carriersenseertx;	/* carrier sense error */
494	u32 frtxok;		/* frames transmitted OK */
495	u32 txfrexcessivedefer;	/* frames with defferal time greater than
496				   specified threshold */
497	u32 txpkts256;		/* total packets (including bad) between 256
498				   and 511 octets */
499	u32 txpkts512;		/* total packets (including bad) between 512
500				   and 1023 octets */
501	u32 txpkts1024;		/* total packets (including bad) between 1024
502				   and 1518 octets */
503	u32 txpktsjumbo;	/* total packets (including bad) between 1024
504				   and MAXLength octets */
505} __packed;
506
507struct ucc_geth_rx_firmware_statistics_pram {
508	u32 frrxfcser;		/* frames with crc error */
509	u32 fraligner;		/* frames with alignment error */
510	u32 inrangelenrxer;	/* in range length error */
511	u32 outrangelenrxer;	/* out of range length error */
512	u32 frtoolong;		/* frame too long */
513	u32 runt;		/* runt */
514	u32 verylongevent;	/* very long event */
515	u32 symbolerror;	/* symbol error */
516	u32 dropbsy;		/* drop because of BD not ready */
517	u8 res0[0x8];
518	u32 mismatchdrop;	/* drop because of MAC filtering (e.g. address
519				   or type mismatch) */
520	u32 underpkts;		/* total frames less than 64 octets */
521	u32 pkts256;		/* total frames (including bad) between 256 and
522				   511 octets */
523	u32 pkts512;		/* total frames (including bad) between 512 and
524				   1023 octets */
525	u32 pkts1024;		/* total frames (including bad) between 1024
526				   and 1518 octets */
527	u32 pktsjumbo;		/* total frames (including bad) between 1024
528				   and MAXLength octets */
529	u32 frlossinmacer;	/* frames lost because of internal MAC error
530				   that is not counted in any other counter */
531	u32 pausefr;		/* pause frames */
532	u8 res1[0x4];
533	u32 removevlan;		/* total frames that had their VLAN tag removed
534				 */
535	u32 replacevlan;	/* total frames that had their VLAN tag
536				   replaced */
537	u32 insertvlan;		/* total frames that had their VLAN tag
538				   inserted */
539} __packed;
540
541struct ucc_geth_rx_interrupt_coalescing_entry {
542	u32 interruptcoalescingmaxvalue;	/* interrupt coalescing max
543						   value */
544	u32 interruptcoalescingcounter;	/* interrupt coalescing counter,
545					   initialize to
546					   interruptcoalescingmaxvalue */
547} __packed;
548
549struct ucc_geth_rx_interrupt_coalescing_table {
550	struct ucc_geth_rx_interrupt_coalescing_entry coalescingentry[NUM_RX_QUEUES];
551				       /**< interrupt coalescing entry */
552} __packed;
553
554struct ucc_geth_rx_prefetched_bds {
555	struct qe_bd bd[NUM_BDS_IN_PREFETCHED_BDS];	/* prefetched bd */
556} __packed;
557
558struct ucc_geth_rx_bd_queues_entry {
559	u32 bdbaseptr;		/* BD base pointer */
560	u32 bdptr;		/* BD pointer */
561	u32 externalbdbaseptr;	/* external BD base pointer */
562	u32 externalbdptr;	/* external BD pointer */
563} __packed;
564
565struct ucc_geth_tx_global_pram {
566	u16 temoder;
567	u8 res0[0x38 - 0x02];
568	u32 sqptr;		/* a base pointer to send queue memory region */
569	u32 schedulerbasepointer;	/* a base pointer to scheduler memory
570					   region */
571	u32 txrmonbaseptr;	/* base pointer to Tx RMON statistics counter */
572	u32 tstate;		/* tx internal state. High byte contains
573				   function code */
574	u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
575	u32 vtagtable[0x8];	/* 8 4-byte VLAN tags */
576	u32 tqptr;		/* a base pointer to the Tx Queues Memory
577				   Region */
578	u8 res2[0x78 - 0x74];
579	u64 snums_en;
580	u32 l2l3baseptr;	/* top byte consists of a few other bit fields */
581
582	u16 mtu[8];
583	u8 res3[0xa8 - 0x94];
584	u32 wrrtablebase;	/* top byte is reserved */
585	u8 res4[0xc0 - 0xac];
586} __packed;
587
588/* structure representing Extended Filtering Global Parameters in PRAM */
589struct ucc_geth_exf_global_pram {
590	u32 l2pcdptr;		/* individual address filter, high */
591	u8 res0[0x10 - 0x04];
592} __packed;
593
594struct ucc_geth_rx_global_pram {
595	u32 remoder;		/* ethernet mode reg. */
596	u32 rqptr;		/* base pointer to the Rx Queues Memory Region*/
597	u32 res0[0x1];
598	u8 res1[0x20 - 0xC];
599	u16 typeorlen;		/* cutoff point less than which, type/len field
600				   is considered length */
601	u8 res2[0x1];
602	u8 rxgstpack;		/* acknowledgement on GRACEFUL STOP RX command*/
603	u32 rxrmonbaseptr;	/* base pointer to Rx RMON statistics counter */
604	u8 res3[0x30 - 0x28];
605	u32 intcoalescingptr;	/* Interrupt coalescing table pointer */
606	u8 res4[0x36 - 0x34];
607	u8 rstate;		/* rx internal state. High byte contains
608				   function code */
609	u8 res5[0x46 - 0x37];
610	u16 mrblr;		/* max receive buffer length reg. */
611	u32 rbdqptr;		/* base pointer to RxBD parameter table
612				   description */
613	u16 mflr;		/* max frame length reg. */
614	u16 minflr;		/* min frame length reg. */
615	u16 maxd1;		/* max dma1 length reg. */
616	u16 maxd2;		/* max dma2 length reg. */
617	u32 ecamptr;		/* external CAM address */
618	u32 l2qt;		/* VLAN priority mapping table. */
619	u32 l3qt[0x8];		/* IP priority mapping table. */
620	u16 vlantype;		/* vlan type */
621	u16 vlantci;		/* default vlan tci */
622	u8 addressfiltering[64];	/* address filtering data structure */
623	u32 exfGlobalParam;	/* base address for extended filtering global
624				   parameters */
625	u8 res6[0x100 - 0xC4];	/* Initialize to zero */
626} __packed;
627
628#define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
629
630/* structure representing InitEnet command */
631struct ucc_geth_init_pram {
632	u8 resinit1;
633	u8 resinit2;
634	u8 resinit3;
635	u8 resinit4;
636	u16 resinit5;
637	u8 res1[0x1];
638	u8 largestexternallookupkeysize;
639	u32 rgftgfrxglobal;
640	u32 rxthread[ENET_INIT_PARAM_MAX_ENTRIES_RX];	/* rx threads */
641	u8 res2[0x38 - 0x30];
642	u32 txglobal;		/* tx global */
643	u32 txthread[ENET_INIT_PARAM_MAX_ENTRIES_TX];	/* tx threads */
644	u8 res3[0x1];
645} __packed;
646
647#define ENET_INIT_PARAM_RGF_SHIFT               (32 - 4)
648#define ENET_INIT_PARAM_TGF_SHIFT               (32 - 8)
649
650#define ENET_INIT_PARAM_RISC_MASK               0x0000003f
651#define ENET_INIT_PARAM_PTR_MASK                0x00ffffc0
652#define ENET_INIT_PARAM_SNUM_MASK               0xff000000
653#define ENET_INIT_PARAM_SNUM_SHIFT              24
654
655#define ENET_INIT_PARAM_MAGIC_RES_INIT1         0x06
656#define ENET_INIT_PARAM_MAGIC_RES_INIT2         0x30
657#define ENET_INIT_PARAM_MAGIC_RES_INIT3         0xff
658#define ENET_INIT_PARAM_MAGIC_RES_INIT4         0x00
659#define ENET_INIT_PARAM_MAGIC_RES_INIT5         0x0400
660
661/* structure representing 82xx Address Filtering Enet Address in PRAM */
662struct ucc_geth_82xx_enet_address {
663	u8 res1[0x2];
664	u16 h;			/* address (MSB) */
665	u16 m;			/* address */
666	u16 l;			/* address (LSB) */
667} __packed;
668
669/* structure representing 82xx Address Filtering PRAM */
670struct ucc_geth_82xx_address_filtering_pram {
671	u32 iaddr_h;		/* individual address filter, high */
672	u32 iaddr_l;		/* individual address filter, low */
673	u32 gaddr_h;		/* group address filter, high */
674	u32 gaddr_l;		/* group address filter, low */
675	struct ucc_geth_82xx_enet_address __iomem taddr;
676	struct ucc_geth_82xx_enet_address __iomem paddr[NUM_OF_PADDRS];
677	u8 res0[0x40 - 0x38];
678} __packed;
679
680/* GETH Tx firmware statistics structure, used when calling
681   UCC_GETH_GetStatistics. */
682struct ucc_geth_tx_firmware_statistics {
683	u32 sicoltx;		/* single collision */
684	u32 mulcoltx;		/* multiple collision */
685	u32 latecoltxfr;	/* late collision */
686	u32 frabortduecol;	/* frames aborted due to transmit collision */
687	u32 frlostinmactxer;	/* frames lost due to internal MAC error
688				   transmission that are not counted on any
689				   other counter */
690	u32 carriersenseertx;	/* carrier sense error */
691	u32 frtxok;		/* frames transmitted OK */
692	u32 txfrexcessivedefer;	/* frames with defferal time greater than
693				   specified threshold */
694	u32 txpkts256;		/* total packets (including bad) between 256
695				   and 511 octets */
696	u32 txpkts512;		/* total packets (including bad) between 512
697				   and 1023 octets */
698	u32 txpkts1024;		/* total packets (including bad) between 1024
699				   and 1518 octets */
700	u32 txpktsjumbo;	/* total packets (including bad) between 1024
701				   and MAXLength octets */
702} __packed;
703
704/* GETH Rx firmware statistics structure, used when calling
705   UCC_GETH_GetStatistics. */
706struct ucc_geth_rx_firmware_statistics {
707	u32 frrxfcser;		/* frames with crc error */
708	u32 fraligner;		/* frames with alignment error */
709	u32 inrangelenrxer;	/* in range length error */
710	u32 outrangelenrxer;	/* out of range length error */
711	u32 frtoolong;		/* frame too long */
712	u32 runt;		/* runt */
713	u32 verylongevent;	/* very long event */
714	u32 symbolerror;	/* symbol error */
715	u32 dropbsy;		/* drop because of BD not ready */
716	u8 res0[0x8];
717	u32 mismatchdrop;	/* drop because of MAC filtering (e.g. address
718				   or type mismatch) */
719	u32 underpkts;		/* total frames less than 64 octets */
720	u32 pkts256;		/* total frames (including bad) between 256 and
721				   511 octets */
722	u32 pkts512;		/* total frames (including bad) between 512 and
723				   1023 octets */
724	u32 pkts1024;		/* total frames (including bad) between 1024
725				   and 1518 octets */
726	u32 pktsjumbo;		/* total frames (including bad) between 1024
727				   and MAXLength octets */
728	u32 frlossinmacer;	/* frames lost because of internal MAC error
729				   that is not counted in any other counter */
730	u32 pausefr;		/* pause frames */
731	u8 res1[0x4];
732	u32 removevlan;		/* total frames that had their VLAN tag removed
733				 */
734	u32 replacevlan;	/* total frames that had their VLAN tag
735				   replaced */
736	u32 insertvlan;		/* total frames that had their VLAN tag
737				   inserted */
738} __packed;
739
740/* GETH hardware statistics structure, used when calling
741   UCC_GETH_GetStatistics. */
742struct ucc_geth_hardware_statistics {
743	u32 tx64;		/* Total number of frames (including bad
744				   frames) transmitted that were exactly of the
745				   minimal length (64 for un tagged, 68 for
746				   tagged, or with length exactly equal to the
747				   parameter MINLength */
748	u32 tx127;		/* Total number of frames (including bad
749				   frames) transmitted that were between
750				   MINLength (Including FCS length==4) and 127
751				   octets */
752	u32 tx255;		/* Total number of frames (including bad
753				   frames) transmitted that were between 128
754				   (Including FCS length==4) and 255 octets */
755	u32 rx64;		/* Total number of frames received including
756				   bad frames that were exactly of the mninimal
757				   length (64 bytes) */
758	u32 rx127;		/* Total number of frames (including bad
759				   frames) received that were between MINLength
760				   (Including FCS length==4) and 127 octets */
761	u32 rx255;		/* Total number of frames (including bad
762				   frames) received that were between 128
763				   (Including FCS length==4) and 255 octets */
764	u32 txok;		/* Total number of octets residing in frames
765				   that where involved in successful
766				   transmission */
767	u16 txcf;		/* Total number of PAUSE control frames
768				   transmitted by this MAC */
769	u32 tmca;		/* Total number of frames that were transmitted
770				   successfully with the group address bit set
771				   that are not broadcast frames */
772	u32 tbca;		/* Total number of frames transmitted
773				   successfully that had destination address
774				   field equal to the broadcast address */
775	u32 rxfok;		/* Total number of frames received OK */
776	u32 rxbok;		/* Total number of octets received OK */
777	u32 rbyt;		/* Total number of octets received including
778				   octets in bad frames. Must be implemented in
779				   HW because it includes octets in frames that
780				   never even reach the UCC */
781	u32 rmca;		/* Total number of frames that were received
782				   successfully with the group address bit set
783				   that are not broadcast frames */
784	u32 rbca;		/* Total number of frames received successfully
785				   that had destination address equal to the
786				   broadcast address */
787} __packed;
788
789/* UCC GETH Tx errors returned via TxConf callback */
790#define TX_ERRORS_DEF      0x0200
791#define TX_ERRORS_EXDEF    0x0100
792#define TX_ERRORS_LC       0x0080
793#define TX_ERRORS_RL       0x0040
794#define TX_ERRORS_RC_MASK  0x003C
795#define TX_ERRORS_RC_SHIFT 2
796#define TX_ERRORS_UN       0x0002
797#define TX_ERRORS_CSL      0x0001
798
799/* UCC GETH Rx errors returned via RxStore callback */
800#define RX_ERRORS_CMR      0x0200
801#define RX_ERRORS_M        0x0100
802#define RX_ERRORS_BC       0x0080
803#define RX_ERRORS_MC       0x0040
804
805/* Transmit BD. These are in addition to values defined in uccf. */
806#define T_VID      0x003c0000	/* insert VLAN id index mask. */
807#define T_DEF      (((u32) TX_ERRORS_DEF     ) << 16)
808#define T_EXDEF    (((u32) TX_ERRORS_EXDEF   ) << 16)
809#define T_LC       (((u32) TX_ERRORS_LC      ) << 16)
810#define T_RL       (((u32) TX_ERRORS_RL      ) << 16)
811#define T_RC_MASK  (((u32) TX_ERRORS_RC_MASK ) << 16)
812#define T_UN       (((u32) TX_ERRORS_UN      ) << 16)
813#define T_CSL      (((u32) TX_ERRORS_CSL     ) << 16)
814#define T_ERRORS_REPORT  (T_DEF | T_EXDEF | T_LC | T_RL | T_RC_MASK \
815		| T_UN | T_CSL)	/* transmit errors to report */
816
817/* Receive BD. These are in addition to values defined in uccf. */
818#define R_LG    0x00200000	/* Frame length violation.  */
819#define R_NO    0x00100000	/* Non-octet aligned frame.  */
820#define R_SH    0x00080000	/* Short frame.  */
821#define R_CR    0x00040000	/* CRC error.  */
822#define R_OV    0x00020000	/* Overrun.  */
823#define R_IPCH  0x00010000	/* IP checksum check failed. */
824#define R_CMR   (((u32) RX_ERRORS_CMR  ) << 16)
825#define R_M     (((u32) RX_ERRORS_M    ) << 16)
826#define R_BC    (((u32) RX_ERRORS_BC   ) << 16)
827#define R_MC    (((u32) RX_ERRORS_MC   ) << 16)
828#define R_ERRORS_REPORT (R_CMR | R_M | R_BC | R_MC)	/* receive errors to
829							   report */
830#define R_ERRORS_FATAL  (R_LG  | R_NO | R_SH | R_CR | \
831		R_OV | R_IPCH)	/* receive errors to discard */
832
833/* Alignments */
834#define UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT	256
835#define UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT       128
836#define UCC_GETH_THREAD_RX_PRAM_ALIGNMENT       128
837#define UCC_GETH_THREAD_TX_PRAM_ALIGNMENT       64
838#define UCC_GETH_THREAD_DATA_ALIGNMENT          256	/* spec gives values
839							   based on num of
840							   threads, but always
841							   using the maximum is
842							   easier */
843#define UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT	32
844#define UCC_GETH_SCHEDULER_ALIGNMENT		8	/* This is a guess */
845#define UCC_GETH_TX_STATISTICS_ALIGNMENT	4	/* This is a guess */
846#define UCC_GETH_RX_STATISTICS_ALIGNMENT	4	/* This is a guess */
847#define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT	64
848#define UCC_GETH_RX_BD_QUEUES_ALIGNMENT		8	/* This is a guess */
849#define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT	128	/* This is a guess */
850#define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 8	/* This
851									   is a
852									   guess
853									 */
854#define UCC_GETH_RX_BD_RING_ALIGNMENT		32
855#define UCC_GETH_TX_BD_RING_ALIGNMENT		32
856#define UCC_GETH_MRBLR_ALIGNMENT		128
857#define UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT	4
858#define UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT	32
859#define UCC_GETH_RX_DATA_BUF_ALIGNMENT		64
860
861#define UCC_GETH_TAD_EF                         0x80
862#define UCC_GETH_TAD_V                          0x40
863#define UCC_GETH_TAD_REJ                        0x20
864#define UCC_GETH_TAD_VTAG_OP_RIGHT_SHIFT        2
865#define UCC_GETH_TAD_VTAG_OP_SHIFT              6
866#define UCC_GETH_TAD_V_NON_VTAG_OP              0x20
867#define UCC_GETH_TAD_RQOS_SHIFT                 0
868#define UCC_GETH_TAD_V_PRIORITY_SHIFT           5
869#define UCC_GETH_TAD_CFI                        0x10
870
871#define UCC_GETH_VLAN_PRIORITY_MAX              8
872#define UCC_GETH_IP_PRIORITY_MAX                64
873#define UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX        8
874#define UCC_GETH_RX_BD_RING_SIZE_MIN            8
875#define UCC_GETH_TX_BD_RING_SIZE_MIN            2
876#define UCC_GETH_BD_RING_SIZE_MAX		0xffff
877
878#define UCC_GETH_SIZE_OF_BD                     QE_SIZEOF_BD
879
880/* Driver definitions */
881#define TX_BD_RING_LEN                          0x10
882#define RX_BD_RING_LEN                          0x20
883
884#define TX_RING_MOD_MASK(size)                  (size-1)
885#define RX_RING_MOD_MASK(size)                  (size-1)
886
887#define ENET_GROUP_ADDR                         0x01	/* Group address mask
888							   for ethernet
889							   addresses */
890
891#define TX_TIMEOUT                              (1*HZ)
892#define PHY_INIT_TIMEOUT                        100000
893#define PHY_CHANGE_TIME                         2
894
895/* Fast Ethernet (10/100 Mbps) */
896#define UCC_GETH_URFS_INIT                      512	/* Rx virtual FIFO size
897							 */
898#define UCC_GETH_URFET_INIT                     256	/* 1/2 urfs */
899#define UCC_GETH_URFSET_INIT                    384	/* 3/4 urfs */
900#define UCC_GETH_UTFS_INIT                      512	/* Tx virtual FIFO size
901							 */
902#define UCC_GETH_UTFET_INIT                     256	/* 1/2 utfs */
903#define UCC_GETH_UTFTT_INIT                     256	/* 1/2 utfs
904							   due to errata */
905/* Gigabit Ethernet (1000 Mbps) */
906#define UCC_GETH_URFS_GIGA_INIT                 4096/*2048*/	/* Rx virtual
907								   FIFO size */
908#define UCC_GETH_URFET_GIGA_INIT                2048/*1024*/	/* 1/2 urfs */
909#define UCC_GETH_URFSET_GIGA_INIT               3072/*1536*/	/* 3/4 urfs */
910#define UCC_GETH_UTFS_GIGA_INIT                 4096/*2048*/	/* Tx virtual
911								   FIFO size */
912#define UCC_GETH_UTFET_GIGA_INIT                2048/*1024*/	/* 1/2 utfs */
913#define UCC_GETH_UTFTT_GIGA_INIT                4096/*0x40*/	/* Tx virtual
914								   FIFO size */
915
916#define UCC_GETH_REMODER_INIT                   0	/* bits that must be
917							   set */
918#define UCC_GETH_TEMODER_INIT                   0xC000	/* bits that must */
919
920/* Initial value for UPSMR */
921#define UCC_GETH_UPSMR_INIT                     UCC_GETH_UPSMR_RES1
922
923#define UCC_GETH_MACCFG1_INIT                   0
924#define UCC_GETH_MACCFG2_INIT                   (MACCFG2_RESERVED_1)
925
926/* Ethernet Address Type. */
927enum enet_addr_type {
928	ENET_ADDR_TYPE_INDIVIDUAL,
929	ENET_ADDR_TYPE_GROUP,
930	ENET_ADDR_TYPE_BROADCAST
931};
932
933/* UCC GETH 82xx Ethernet Address Recognition Location */
934enum ucc_geth_enet_address_recognition_location {
935	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_STATION_ADDRESS,/* station
936								      address */
937	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_FIRST,	/* additional
938								   station
939								   address
940								   paddr1 */
941	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR2,	/* additional
942								   station
943								   address
944								   paddr2 */
945	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR3,	/* additional
946								   station
947								   address
948								   paddr3 */
949	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_LAST,	/* additional
950								   station
951								   address
952								   paddr4 */
953	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH,	/* group hash */
954	UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH /* individual
955								      hash */
956};
957
958/* UCC GETH vlan operation tagged */
959enum ucc_geth_vlan_operation_tagged {
960	UCC_GETH_VLAN_OPERATION_TAGGED_NOP = 0x0,	/* Tagged - nop */
961	UCC_GETH_VLAN_OPERATION_TAGGED_REPLACE_VID_PORTION_OF_Q_TAG
962		= 0x1,	/* Tagged - replace vid portion of q tag */
963	UCC_GETH_VLAN_OPERATION_TAGGED_IF_VID0_REPLACE_VID_WITH_DEFAULT_VALUE
964		= 0x2,	/* Tagged - if vid0 replace vid with default value  */
965	UCC_GETH_VLAN_OPERATION_TAGGED_EXTRACT_Q_TAG_FROM_FRAME
966		= 0x3	/* Tagged - extract q tag from frame */
967};
968
969/* UCC GETH vlan operation non-tagged */
970enum ucc_geth_vlan_operation_non_tagged {
971	UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP = 0x0,	/* Non tagged - nop */
972	UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT = 0x1	/* Non tagged -
973								   q tag insert
974								 */
975};
976
977/* UCC GETH Rx Quality of Service Mode */
978enum ucc_geth_qos_mode {
979	UCC_GETH_QOS_MODE_DEFAULT = 0x0,	/* default queue */
980	UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L2_CRITERIA = 0x1,	/* queue
981								   determined
982								   by L2
983								   criteria */
984	UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L3_CRITERIA = 0x2	/* queue
985								   determined
986								   by L3
987								   criteria */
988};
989
990/* UCC GETH Statistics Gathering Mode - These are bit flags, 'or' them together
991   for combined functionality */
992enum ucc_geth_statistics_gathering_mode {
993	UCC_GETH_STATISTICS_GATHERING_MODE_NONE = 0x00000000,	/* No
994								   statistics
995								   gathering */
996	UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE = 0x00000001,/* Enable
997								    hardware
998								    statistics
999								    gathering
1000								  */
1001	UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX = 0x00000004,/*Enable
1002								      firmware
1003								      tx
1004								      statistics
1005								      gathering
1006								     */
1007	UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX = 0x00000008/* Enable
1008								      firmware
1009								      rx
1010								      statistics
1011								      gathering
1012								    */
1013};
1014
1015/* UCC GETH Pad and CRC Mode - Note, Padding without CRC is not possible */
1016enum ucc_geth_maccfg2_pad_and_crc_mode {
1017	UCC_GETH_PAD_AND_CRC_MODE_NONE
1018		= MACCFG2_PAD_AND_CRC_MODE_NONE,	/* Neither Padding
1019							   short frames
1020							   nor CRC */
1021	UCC_GETH_PAD_AND_CRC_MODE_CRC_ONLY
1022		= MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY,	/* Append
1023							   CRC only */
1024	UCC_GETH_PAD_AND_CRC_MODE_PAD_AND_CRC =
1025	    MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC
1026};
1027
1028/* UCC GETH upsmr Flow Control Mode */
1029enum ucc_geth_flow_control_mode {
1030	UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE = 0x00000000,	/* No automatic
1031								   flow control
1032								 */
1033	UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_PAUSE_WHEN_EMERGENCY
1034		= 0x00004000	/* Send pause frame when RxFIFO reaches its
1035				   emergency threshold */
1036};
1037
1038/* UCC GETH number of threads */
1039enum ucc_geth_num_of_threads {
1040	UCC_GETH_NUM_OF_THREADS_1 = 0x1,	/* 1 */
1041	UCC_GETH_NUM_OF_THREADS_2 = 0x2,	/* 2 */
1042	UCC_GETH_NUM_OF_THREADS_4 = 0x0,	/* 4 */
1043	UCC_GETH_NUM_OF_THREADS_6 = 0x3,	/* 6 */
1044	UCC_GETH_NUM_OF_THREADS_8 = 0x4	/* 8 */
1045};
1046
1047/* UCC GETH number of station addresses */
1048enum ucc_geth_num_of_station_addresses {
1049	UCC_GETH_NUM_OF_STATION_ADDRESSES_1,	/* 1 */
1050	UCC_GETH_NUM_OF_STATION_ADDRESSES_5	/* 5 */
1051};
1052
1053/* UCC GETH 82xx Ethernet Address Container */
1054struct enet_addr_container {
1055	u8 address[ETH_ALEN];	/* ethernet address */
1056	enum ucc_geth_enet_address_recognition_location location;	/* location in
1057								   82xx address
1058								   recognition
1059								   hardware */
1060	struct list_head node;
1061};
1062
1063#define ENET_ADDR_CONT_ENTRY(ptr) list_entry(ptr, struct enet_addr_container, node)
1064
1065/* UCC GETH Termination Action Descriptor (TAD) structure. */
1066struct ucc_geth_tad_params {
1067	int rx_non_dynamic_extended_features_mode;
1068	int reject_frame;
1069	enum ucc_geth_vlan_operation_tagged vtag_op;
1070	enum ucc_geth_vlan_operation_non_tagged vnontag_op;
1071	enum ucc_geth_qos_mode rqos;
1072	u8 vpri;
1073	u16 vid;
1074};
1075
1076/* GETH protocol initialization structure */
1077struct ucc_geth_info {
1078	struct ucc_fast_info uf_info;
1079	int ipCheckSumCheck;
1080	int ipCheckSumGenerate;
1081	int rxExtendedFiltering;
1082	u32 extendedFilteringChainPointer;
1083	u16 typeorlen;
1084	int dynamicMaxFrameLength;
1085	int dynamicMinFrameLength;
1086	u8 nonBackToBackIfgPart1;
1087	u8 nonBackToBackIfgPart2;
1088	u8 miminumInterFrameGapEnforcement;
1089	u8 backToBackInterFrameGap;
1090	int ipAddressAlignment;
1091	int lengthCheckRx;
1092	u32 mblinterval;
1093	u16 nortsrbytetime;
1094	u8 fracsiz;
1095	u8 strictpriorityq;
1096	u8 txasap;
1097	u8 extrabw;
1098	int miiPreambleSupress;
1099	u8 altBebTruncation;
1100	int altBeb;
1101	int backPressureNoBackoff;
1102	int noBackoff;
1103	int excessDefer;
1104	u8 maxRetransmission;
1105	u8 collisionWindow;
1106	int pro;
1107	int cap;
1108	int rsh;
1109	int rlpb;
1110	int cam;
1111	int bro;
1112	int ecm;
1113	int receiveFlowControl;
1114	int transmitFlowControl;
1115	u8 maxGroupAddrInHash;
1116	u8 maxIndAddrInHash;
1117	u8 prel;
1118	u16 maxFrameLength;
1119	u16 minFrameLength;
1120	u16 maxD1Length;
1121	u16 maxD2Length;
1122	u16 vlantype;
1123	u16 vlantci;
1124	u32 ecamptr;
1125	u32 eventRegMask;
1126	u16 pausePeriod;
1127	u16 extensionField;
1128	struct device_node *phy_node;
1129	struct device_node *tbi_node;
1130	u8 weightfactor[NUM_TX_QUEUES];
1131	u8 interruptcoalescingmaxvalue[NUM_RX_QUEUES];
1132	u8 l2qt[UCC_GETH_VLAN_PRIORITY_MAX];
1133	u8 l3qt[UCC_GETH_IP_PRIORITY_MAX];
1134	u32 vtagtable[UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX];
1135	u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
1136	u16 bdRingLenTx[NUM_TX_QUEUES];
1137	u16 bdRingLenRx[NUM_RX_QUEUES];
1138	enum ucc_geth_num_of_station_addresses numStationAddresses;
1139	enum qe_fltr_largest_external_tbl_lookup_key_size
1140	    largestexternallookupkeysize;
1141	enum ucc_geth_statistics_gathering_mode statisticsMode;
1142	enum ucc_geth_vlan_operation_tagged vlanOperationTagged;
1143	enum ucc_geth_vlan_operation_non_tagged vlanOperationNonTagged;
1144	enum ucc_geth_qos_mode rxQoSMode;
1145	enum ucc_geth_flow_control_mode aufc;
1146	enum ucc_geth_maccfg2_pad_and_crc_mode padAndCrc;
1147	enum ucc_geth_num_of_threads numThreadsTx;
1148	enum ucc_geth_num_of_threads numThreadsRx;
1149	unsigned int riscTx;
1150	unsigned int riscRx;
1151};
1152
1153/* structure representing UCC GETH */
1154struct ucc_geth_private {
1155	struct ucc_geth_info *ug_info;
1156	struct ucc_fast_private *uccf;
1157	struct device *dev;
1158	struct net_device *ndev;
1159	struct napi_struct napi;
1160	struct work_struct timeout_work;
1161	struct ucc_geth __iomem *ug_regs;
1162	struct ucc_geth_init_pram *p_init_enet_param_shadow;
1163	struct ucc_geth_exf_global_pram __iomem *p_exf_glbl_param;
1164	u32 exf_glbl_param_offset;
1165	struct ucc_geth_rx_global_pram __iomem *p_rx_glbl_pram;
1166	struct ucc_geth_tx_global_pram __iomem *p_tx_glbl_pram;
1167	struct ucc_geth_send_queue_mem_region __iomem *p_send_q_mem_reg;
1168	u32 send_q_mem_reg_offset;
1169	struct ucc_geth_thread_data_tx __iomem *p_thread_data_tx;
1170	u32 thread_dat_tx_offset;
1171	struct ucc_geth_thread_data_rx __iomem *p_thread_data_rx;
1172	u32 thread_dat_rx_offset;
1173	struct ucc_geth_scheduler __iomem *p_scheduler;
1174	u32 scheduler_offset;
1175	struct ucc_geth_tx_firmware_statistics_pram __iomem *p_tx_fw_statistics_pram;
1176	u32 tx_fw_statistics_pram_offset;
1177	struct ucc_geth_rx_firmware_statistics_pram __iomem *p_rx_fw_statistics_pram;
1178	u32 rx_fw_statistics_pram_offset;
1179	struct ucc_geth_rx_interrupt_coalescing_table __iomem *p_rx_irq_coalescing_tbl;
1180	u32 rx_irq_coalescing_tbl_offset;
1181	struct ucc_geth_rx_bd_queues_entry __iomem *p_rx_bd_qs_tbl;
1182	u32 rx_bd_qs_tbl_offset;
1183	u8 __iomem *p_tx_bd_ring[NUM_TX_QUEUES];
1184	u8 __iomem *p_rx_bd_ring[NUM_RX_QUEUES];
1185	u8 __iomem *confBd[NUM_TX_QUEUES];
1186	u8 __iomem *txBd[NUM_TX_QUEUES];
1187	u8 __iomem *rxBd[NUM_RX_QUEUES];
1188	int badFrame[NUM_RX_QUEUES];
1189	u16 cpucount[NUM_TX_QUEUES];
1190	u16 __iomem *p_cpucount[NUM_TX_QUEUES];
1191	int indAddrRegUsed[NUM_OF_PADDRS];
1192	u8 paddr[NUM_OF_PADDRS][ETH_ALEN];	/* ethernet address */
1193	u8 numGroupAddrInHash;
1194	u8 numIndAddrInHash;
1195	u8 numIndAddrInReg;
1196	int rx_extended_features;
1197	int rx_non_dynamic_extended_features;
1198	struct list_head conf_skbs;
1199	struct list_head group_hash_q;
1200	struct list_head ind_hash_q;
1201	u32 saved_uccm;
1202	spinlock_t lock;
1203	/* pointers to arrays of skbuffs for tx and rx */
1204	struct sk_buff **tx_skbuff[NUM_TX_QUEUES];
1205	struct sk_buff **rx_skbuff[NUM_RX_QUEUES];
1206	/* indices pointing to the next free sbk in skb arrays */
1207	u16 skb_curtx[NUM_TX_QUEUES];
1208	u16 skb_currx[NUM_RX_QUEUES];
1209	/* index of the first skb which hasn't been transmitted yet. */
1210	u16 skb_dirtytx[NUM_TX_QUEUES];
1211
1212	struct ugeth_mii_info *mii_info;
1213	struct phy_device *phydev;
1214	phy_interface_t phy_interface;
1215	int max_speed;
1216	uint32_t msg_enable;
1217	int oldspeed;
1218	int oldduplex;
1219	int oldlink;
1220	int wol_en;
1221
1222	struct device_node *node;
1223};
1224
1225void uec_set_ethtool_ops(struct net_device *netdev);
1226int init_flow_control_params(u32 automatic_flow_control_mode,
1227		int rx_flow_control_enable, int tx_flow_control_enable,
1228		u16 pause_period, u16 extension_field,
1229		u32 __iomem *upsmr_register, u32 __iomem *uempr_register,
1230		u32 __iomem *maccfg1_register);
1231
1232
1233#endif				/* __UCC_GETH_H__ */
1234