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Blackfin arch: cleanup bf54x ifdef mess in gpio code
[linux-2.6/mini2440.git] / drivers / net / ucc_geth.c
blobe87986867ba5b3042be2434f5620ca662242c1b8
1 /*
2 * Copyright (C) 2006-2007 Freescale Semicondutor, Inc. All rights reserved.
3 *
4 * Author: Shlomi Gridish <gridish@freescale.com>
5 * Li Yang <leoli@freescale.com>
6 *
7 * Description:
8 * QE UCC Gigabit Ethernet Driver
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 */
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/errno.h>
18 #include <linux/slab.h>
19 #include <linux/stddef.h>
20 #include <linux/interrupt.h>
21 #include <linux/netdevice.h>
22 #include <linux/etherdevice.h>
23 #include <linux/skbuff.h>
24 #include <linux/spinlock.h>
25 #include <linux/mm.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/fsl_devices.h>
28 #include <linux/mii.h>
29 #include <linux/phy.h>
30 #include <linux/workqueue.h>
31 #include <linux/of_platform.h>
32
33 #include <asm/uaccess.h>
34 #include <asm/irq.h>
35 #include <asm/io.h>
36 #include <asm/immap_qe.h>
37 #include <asm/qe.h>
38 #include <asm/ucc.h>
39 #include <asm/ucc_fast.h>
40
41 #include "ucc_geth.h"
42 #include "ucc_geth_mii.h"
43
44 #undef DEBUG
45
46 #define ugeth_printk(level, format, arg...) \
47 printk(level format "\n", ## arg)
48
49 #define ugeth_dbg(format, arg...) \
50 ugeth_printk(KERN_DEBUG , format , ## arg)
51 #define ugeth_err(format, arg...) \
52 ugeth_printk(KERN_ERR , format , ## arg)
53 #define ugeth_info(format, arg...) \
54 ugeth_printk(KERN_INFO , format , ## arg)
55 #define ugeth_warn(format, arg...) \
56 ugeth_printk(KERN_WARNING , format , ## arg)
57
58 #ifdef UGETH_VERBOSE_DEBUG
59 #define ugeth_vdbg ugeth_dbg
60 #else
61 #define ugeth_vdbg(fmt, args...) do { } while (0)
62 #endif /* UGETH_VERBOSE_DEBUG */
63 #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1
64
65
66 static DEFINE_SPINLOCK(ugeth_lock);
67
68 static struct {
69 u32 msg_enable;
70 } debug = { -1 };
71
72 module_param_named(debug, debug.msg_enable, int, 0);
73 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
74
75 static struct ucc_geth_info ugeth_primary_info = {
76 .uf_info = {
77 .bd_mem_part = MEM_PART_SYSTEM,
78 .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
79 .max_rx_buf_length = 1536,
80 /* adjusted at startup if max-speed 1000 */
81 .urfs = UCC_GETH_URFS_INIT,
82 .urfet = UCC_GETH_URFET_INIT,
83 .urfset = UCC_GETH_URFSET_INIT,
84 .utfs = UCC_GETH_UTFS_INIT,
85 .utfet = UCC_GETH_UTFET_INIT,
86 .utftt = UCC_GETH_UTFTT_INIT,
87 .ufpt = 256,
88 .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
89 .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
90 .tenc = UCC_FAST_TX_ENCODING_NRZ,
91 .renc = UCC_FAST_RX_ENCODING_NRZ,
92 .tcrc = UCC_FAST_16_BIT_CRC,
93 .synl = UCC_FAST_SYNC_LEN_NOT_USED,
94 },
95 .numQueuesTx = 1,
96 .numQueuesRx = 1,
97 .extendedFilteringChainPointer = ((uint32_t) NULL),
98 .typeorlen = 3072 /*1536 */ ,
99 .nonBackToBackIfgPart1 = 0x40,
100 .nonBackToBackIfgPart2 = 0x60,
101 .miminumInterFrameGapEnforcement = 0x50,
102 .backToBackInterFrameGap = 0x60,
103 .mblinterval = 128,
104 .nortsrbytetime = 5,
105 .fracsiz = 1,
106 .strictpriorityq = 0xff,
107 .altBebTruncation = 0xa,
108 .excessDefer = 1,
109 .maxRetransmission = 0xf,
110 .collisionWindow = 0x37,
111 .receiveFlowControl = 1,
112 .transmitFlowControl = 1,
113 .maxGroupAddrInHash = 4,
114 .maxIndAddrInHash = 4,
115 .prel = 7,
116 .maxFrameLength = 1518,
117 .minFrameLength = 64,
118 .maxD1Length = 1520,
119 .maxD2Length = 1520,
120 .vlantype = 0x8100,
121 .ecamptr = ((uint32_t) NULL),
122 .eventRegMask = UCCE_OTHER,
123 .pausePeriod = 0xf000,
124 .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
125 .bdRingLenTx = {
126 TX_BD_RING_LEN,
127 TX_BD_RING_LEN,
128 TX_BD_RING_LEN,
129 TX_BD_RING_LEN,
130 TX_BD_RING_LEN,
131 TX_BD_RING_LEN,
132 TX_BD_RING_LEN,
133 TX_BD_RING_LEN},
134
135 .bdRingLenRx = {
136 RX_BD_RING_LEN,
137 RX_BD_RING_LEN,
138 RX_BD_RING_LEN,
139 RX_BD_RING_LEN,
140 RX_BD_RING_LEN,
141 RX_BD_RING_LEN,
142 RX_BD_RING_LEN,
143 RX_BD_RING_LEN},
144
145 .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
146 .largestexternallookupkeysize =
147 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
148 .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
149 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
150 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
151 .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
152 .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
153 .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
154 .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
155 .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
156 .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
157 .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
158 .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
159 .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
160 };
161
162 static struct ucc_geth_info ugeth_info[8];
163
164 #ifdef DEBUG
165 static void mem_disp(u8 *addr, int size)
166 {
167 u8 *i;
168 int size16Aling = (size >> 4) << 4;
169 int size4Aling = (size >> 2) << 2;
170 int notAlign = 0;
171 if (size % 16)
172 notAlign = 1;
173
174 for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
175 printk("0x%08x: %08x %08x %08x %08x\r\n",
176 (u32) i,
177 *((u32 *) (i)),
178 *((u32 *) (i + 4)),
179 *((u32 *) (i + 8)), *((u32 *) (i + 12)));
180 if (notAlign == 1)
181 printk("0x%08x: ", (u32) i);
182 for (; (u32) i < (u32) addr + size4Aling; i += 4)
183 printk("%08x ", *((u32 *) (i)));
184 for (; (u32) i < (u32) addr + size; i++)
185 printk("%02x", *((u8 *) (i)));
186 if (notAlign == 1)
187 printk("\r\n");
188 }
189 #endif /* DEBUG */
190
191 static struct list_head *dequeue(struct list_head *lh)
192 {
193 unsigned long flags;
194
195 spin_lock_irqsave(&ugeth_lock, flags);
196 if (!list_empty(lh)) {
197 struct list_head *node = lh->next;
198 list_del(node);
199 spin_unlock_irqrestore(&ugeth_lock, flags);
200 return node;
201 } else {
202 spin_unlock_irqrestore(&ugeth_lock, flags);
203 return NULL;
204 }
205 }
206
207 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
208 u8 __iomem *bd)
209 {
210 struct sk_buff *skb = NULL;
211
212 skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
213 UCC_GETH_RX_DATA_BUF_ALIGNMENT);
214
215 if (skb == NULL)
216 return NULL;
217
218 /* We need the data buffer to be aligned properly. We will reserve
219 * as many bytes as needed to align the data properly
220 */
221 skb_reserve(skb,
222 UCC_GETH_RX_DATA_BUF_ALIGNMENT -
223 (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
224 1)));
225
226 skb->dev = ugeth->dev;
227
228 out_be32(&((struct qe_bd __iomem *)bd)->buf,
229 dma_map_single(&ugeth->dev->dev,
230 skb->data,
231 ugeth->ug_info->uf_info.max_rx_buf_length +
232 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
233 DMA_FROM_DEVICE));
234
235 out_be32((u32 __iomem *)bd,
236 (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
237
238 return skb;
239 }
240
241 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
242 {
243 u8 __iomem *bd;
244 u32 bd_status;
245 struct sk_buff *skb;
246 int i;
247
248 bd = ugeth->p_rx_bd_ring[rxQ];
249 i = 0;
250
251 do {
252 bd_status = in_be32((u32 __iomem *)bd);
253 skb = get_new_skb(ugeth, bd);
254
255 if (!skb) /* If can not allocate data buffer,
256 abort. Cleanup will be elsewhere */
257 return -ENOMEM;
258
259 ugeth->rx_skbuff[rxQ][i] = skb;
260
261 /* advance the BD pointer */
262 bd += sizeof(struct qe_bd);
263 i++;
264 } while (!(bd_status & R_W));
265
266 return 0;
267 }
268
269 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
270 u32 *p_start,
271 u8 num_entries,
272 u32 thread_size,
273 u32 thread_alignment,
274 enum qe_risc_allocation risc,
275 int skip_page_for_first_entry)
276 {
277 u32 init_enet_offset;
278 u8 i;
279 int snum;
280
281 for (i = 0; i < num_entries; i++) {
282 if ((snum = qe_get_snum()) < 0) {
283 if (netif_msg_ifup(ugeth))
284 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
285 return snum;
286 }
287 if ((i == 0) && skip_page_for_first_entry)
288 /* First entry of Rx does not have page */
289 init_enet_offset = 0;
290 else {
291 init_enet_offset =
292 qe_muram_alloc(thread_size, thread_alignment);
293 if (IS_ERR_VALUE(init_enet_offset)) {
294 if (netif_msg_ifup(ugeth))
295 ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
296 qe_put_snum((u8) snum);
297 return -ENOMEM;
298 }
299 }
300 *(p_start++) =
301 ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
302 | risc;
303 }
304
305 return 0;
306 }
307
308 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
309 u32 *p_start,
310 u8 num_entries,
311 enum qe_risc_allocation risc,
312 int skip_page_for_first_entry)
313 {
314 u32 init_enet_offset;
315 u8 i;
316 int snum;
317
318 for (i = 0; i < num_entries; i++) {
319 u32 val = *p_start;
320
321 /* Check that this entry was actually valid --
322 needed in case failed in allocations */
323 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
324 snum =
325 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
326 ENET_INIT_PARAM_SNUM_SHIFT;
327 qe_put_snum((u8) snum);
328 if (!((i == 0) && skip_page_for_first_entry)) {
329 /* First entry of Rx does not have page */
330 init_enet_offset =
331 (val & ENET_INIT_PARAM_PTR_MASK);
332 qe_muram_free(init_enet_offset);
333 }
334 *p_start++ = 0;
335 }
336 }
337
338 return 0;
339 }
340
341 #ifdef DEBUG
342 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
343 u32 __iomem *p_start,
344 u8 num_entries,
345 u32 thread_size,
346 enum qe_risc_allocation risc,
347 int skip_page_for_first_entry)
348 {
349 u32 init_enet_offset;
350 u8 i;
351 int snum;
352
353 for (i = 0; i < num_entries; i++) {
354 u32 val = in_be32(p_start);
355
356 /* Check that this entry was actually valid --
357 needed in case failed in allocations */
358 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
359 snum =
360 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
361 ENET_INIT_PARAM_SNUM_SHIFT;
362 qe_put_snum((u8) snum);
363 if (!((i == 0) && skip_page_for_first_entry)) {
364 /* First entry of Rx does not have page */
365 init_enet_offset =
366 (in_be32(p_start) &
367 ENET_INIT_PARAM_PTR_MASK);
368 ugeth_info("Init enet entry %d:", i);
369 ugeth_info("Base address: 0x%08x",
370 (u32)
371 qe_muram_addr(init_enet_offset));
372 mem_disp(qe_muram_addr(init_enet_offset),
373 thread_size);
374 }
375 p_start++;
376 }
377 }
378
379 return 0;
380 }
381 #endif
382
383 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
384 {
385 kfree(enet_addr_cont);
386 }
387
388 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
389 {
390 out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
391 out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
392 out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
393 }
394
395 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
396 {
397 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
398
399 if (!(paddr_num < NUM_OF_PADDRS)) {
400 ugeth_warn("%s: Illagel paddr_num.", __func__);
401 return -EINVAL;
402 }
403
404 p_82xx_addr_filt =
405 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
406 addressfiltering;
407
408 /* Writing address ff.ff.ff.ff.ff.ff disables address
409 recognition for this register */
410 out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
411 out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
412 out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
413
414 return 0;
415 }
416
417 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
418 u8 *p_enet_addr)
419 {
420 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
421 u32 cecr_subblock;
422
423 p_82xx_addr_filt =
424 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
425 addressfiltering;
426
427 cecr_subblock =
428 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
429
430 /* Ethernet frames are defined in Little Endian mode,
431 therefor to insert */
432 /* the address to the hash (Big Endian mode), we reverse the bytes.*/
433
434 set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
435
436 qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
437 QE_CR_PROTOCOL_ETHERNET, 0);
438 }
439
440 #ifdef CONFIG_UGETH_MAGIC_PACKET
441 static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
442 {
443 struct ucc_fast_private *uccf;
444 struct ucc_geth __iomem *ug_regs;
445
446 uccf = ugeth->uccf;
447 ug_regs = ugeth->ug_regs;
448
449 /* Enable interrupts for magic packet detection */
450 setbits32(uccf->p_uccm, UCC_GETH_UCCE_MPD);
451
452 /* Enable magic packet detection */
453 setbits32(&ug_regs->maccfg2, MACCFG2_MPE);
454 }
455
456 static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
457 {
458 struct ucc_fast_private *uccf;
459 struct ucc_geth __iomem *ug_regs;
460
461 uccf = ugeth->uccf;
462 ug_regs = ugeth->ug_regs;
463
464 /* Disable interrupts for magic packet detection */
465 clrbits32(uccf->p_uccm, UCC_GETH_UCCE_MPD);
466
467 /* Disable magic packet detection */
468 clrbits32(&ug_regs->maccfg2, MACCFG2_MPE);
469 }
470 #endif /* MAGIC_PACKET */
471
472 static inline int compare_addr(u8 **addr1, u8 **addr2)
473 {
474 return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
475 }
476
477 #ifdef DEBUG
478 static void get_statistics(struct ucc_geth_private *ugeth,
479 struct ucc_geth_tx_firmware_statistics *
480 tx_firmware_statistics,
481 struct ucc_geth_rx_firmware_statistics *
482 rx_firmware_statistics,
483 struct ucc_geth_hardware_statistics *hardware_statistics)
484 {
485 struct ucc_fast __iomem *uf_regs;
486 struct ucc_geth __iomem *ug_regs;
487 struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
488 struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
489
490 ug_regs = ugeth->ug_regs;
491 uf_regs = (struct ucc_fast __iomem *) ug_regs;
492 p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
493 p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
494
495 /* Tx firmware only if user handed pointer and driver actually
496 gathers Tx firmware statistics */
497 if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
498 tx_firmware_statistics->sicoltx =
499 in_be32(&p_tx_fw_statistics_pram->sicoltx);
500 tx_firmware_statistics->mulcoltx =
501 in_be32(&p_tx_fw_statistics_pram->mulcoltx);
502 tx_firmware_statistics->latecoltxfr =
503 in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
504 tx_firmware_statistics->frabortduecol =
505 in_be32(&p_tx_fw_statistics_pram->frabortduecol);
506 tx_firmware_statistics->frlostinmactxer =
507 in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
508 tx_firmware_statistics->carriersenseertx =
509 in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
510 tx_firmware_statistics->frtxok =
511 in_be32(&p_tx_fw_statistics_pram->frtxok);
512 tx_firmware_statistics->txfrexcessivedefer =
513 in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
514 tx_firmware_statistics->txpkts256 =
515 in_be32(&p_tx_fw_statistics_pram->txpkts256);
516 tx_firmware_statistics->txpkts512 =
517 in_be32(&p_tx_fw_statistics_pram->txpkts512);
518 tx_firmware_statistics->txpkts1024 =
519 in_be32(&p_tx_fw_statistics_pram->txpkts1024);
520 tx_firmware_statistics->txpktsjumbo =
521 in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
522 }
523
524 /* Rx firmware only if user handed pointer and driver actually
525 * gathers Rx firmware statistics */
526 if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
527 int i;
528 rx_firmware_statistics->frrxfcser =
529 in_be32(&p_rx_fw_statistics_pram->frrxfcser);
530 rx_firmware_statistics->fraligner =
531 in_be32(&p_rx_fw_statistics_pram->fraligner);
532 rx_firmware_statistics->inrangelenrxer =
533 in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
534 rx_firmware_statistics->outrangelenrxer =
535 in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
536 rx_firmware_statistics->frtoolong =
537 in_be32(&p_rx_fw_statistics_pram->frtoolong);
538 rx_firmware_statistics->runt =
539 in_be32(&p_rx_fw_statistics_pram->runt);
540 rx_firmware_statistics->verylongevent =
541 in_be32(&p_rx_fw_statistics_pram->verylongevent);
542 rx_firmware_statistics->symbolerror =
543 in_be32(&p_rx_fw_statistics_pram->symbolerror);
544 rx_firmware_statistics->dropbsy =
545 in_be32(&p_rx_fw_statistics_pram->dropbsy);
546 for (i = 0; i < 0x8; i++)
547 rx_firmware_statistics->res0[i] =
548 p_rx_fw_statistics_pram->res0[i];
549 rx_firmware_statistics->mismatchdrop =
550 in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
551 rx_firmware_statistics->underpkts =
552 in_be32(&p_rx_fw_statistics_pram->underpkts);
553 rx_firmware_statistics->pkts256 =
554 in_be32(&p_rx_fw_statistics_pram->pkts256);
555 rx_firmware_statistics->pkts512 =
556 in_be32(&p_rx_fw_statistics_pram->pkts512);
557 rx_firmware_statistics->pkts1024 =
558 in_be32(&p_rx_fw_statistics_pram->pkts1024);
559 rx_firmware_statistics->pktsjumbo =
560 in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
561 rx_firmware_statistics->frlossinmacer =
562 in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
563 rx_firmware_statistics->pausefr =
564 in_be32(&p_rx_fw_statistics_pram->pausefr);
565 for (i = 0; i < 0x4; i++)
566 rx_firmware_statistics->res1[i] =
567 p_rx_fw_statistics_pram->res1[i];
568 rx_firmware_statistics->removevlan =
569 in_be32(&p_rx_fw_statistics_pram->removevlan);
570 rx_firmware_statistics->replacevlan =
571 in_be32(&p_rx_fw_statistics_pram->replacevlan);
572 rx_firmware_statistics->insertvlan =
573 in_be32(&p_rx_fw_statistics_pram->insertvlan);
574 }
575
576 /* Hardware only if user handed pointer and driver actually
577 gathers hardware statistics */
578 if (hardware_statistics &&
579 (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) {
580 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
581 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
582 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
583 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
584 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
585 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
586 hardware_statistics->txok = in_be32(&ug_regs->txok);
587 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
588 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
589 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
590 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
591 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
592 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
593 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
594 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
595 }
596 }
597
598 static void dump_bds(struct ucc_geth_private *ugeth)
599 {
600 int i;
601 int length;
602
603 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
604 if (ugeth->p_tx_bd_ring[i]) {
605 length =
606 (ugeth->ug_info->bdRingLenTx[i] *
607 sizeof(struct qe_bd));
608 ugeth_info("TX BDs[%d]", i);
609 mem_disp(ugeth->p_tx_bd_ring[i], length);
610 }
611 }
612 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
613 if (ugeth->p_rx_bd_ring[i]) {
614 length =
615 (ugeth->ug_info->bdRingLenRx[i] *
616 sizeof(struct qe_bd));
617 ugeth_info("RX BDs[%d]", i);
618 mem_disp(ugeth->p_rx_bd_ring[i], length);
619 }
620 }
621 }
622
623 static void dump_regs(struct ucc_geth_private *ugeth)
624 {
625 int i;
626
627 ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
628 ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
629
630 ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x",
631 (u32) & ugeth->ug_regs->maccfg1,
632 in_be32(&ugeth->ug_regs->maccfg1));
633 ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x",
634 (u32) & ugeth->ug_regs->maccfg2,
635 in_be32(&ugeth->ug_regs->maccfg2));
636 ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x",
637 (u32) & ugeth->ug_regs->ipgifg,
638 in_be32(&ugeth->ug_regs->ipgifg));
639 ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x",
640 (u32) & ugeth->ug_regs->hafdup,
641 in_be32(&ugeth->ug_regs->hafdup));
642 ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x",
643 (u32) & ugeth->ug_regs->ifctl,
644 in_be32(&ugeth->ug_regs->ifctl));
645 ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x",
646 (u32) & ugeth->ug_regs->ifstat,
647 in_be32(&ugeth->ug_regs->ifstat));
648 ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
649 (u32) & ugeth->ug_regs->macstnaddr1,
650 in_be32(&ugeth->ug_regs->macstnaddr1));
651 ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
652 (u32) & ugeth->ug_regs->macstnaddr2,
653 in_be32(&ugeth->ug_regs->macstnaddr2));
654 ugeth_info("uempr : addr - 0x%08x, val - 0x%08x",
655 (u32) & ugeth->ug_regs->uempr,
656 in_be32(&ugeth->ug_regs->uempr));
657 ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x",
658 (u32) & ugeth->ug_regs->utbipar,
659 in_be32(&ugeth->ug_regs->utbipar));
660 ugeth_info("uescr : addr - 0x%08x, val - 0x%04x",
661 (u32) & ugeth->ug_regs->uescr,
662 in_be16(&ugeth->ug_regs->uescr));
663 ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x",
664 (u32) & ugeth->ug_regs->tx64,
665 in_be32(&ugeth->ug_regs->tx64));
666 ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x",
667 (u32) & ugeth->ug_regs->tx127,
668 in_be32(&ugeth->ug_regs->tx127));
669 ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x",
670 (u32) & ugeth->ug_regs->tx255,
671 in_be32(&ugeth->ug_regs->tx255));
672 ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x",
673 (u32) & ugeth->ug_regs->rx64,
674 in_be32(&ugeth->ug_regs->rx64));
675 ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x",
676 (u32) & ugeth->ug_regs->rx127,
677 in_be32(&ugeth->ug_regs->rx127));
678 ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x",
679 (u32) & ugeth->ug_regs->rx255,
680 in_be32(&ugeth->ug_regs->rx255));
681 ugeth_info("txok : addr - 0x%08x, val - 0x%08x",
682 (u32) & ugeth->ug_regs->txok,
683 in_be32(&ugeth->ug_regs->txok));
684 ugeth_info("txcf : addr - 0x%08x, val - 0x%04x",
685 (u32) & ugeth->ug_regs->txcf,
686 in_be16(&ugeth->ug_regs->txcf));
687 ugeth_info("tmca : addr - 0x%08x, val - 0x%08x",
688 (u32) & ugeth->ug_regs->tmca,
689 in_be32(&ugeth->ug_regs->tmca));
690 ugeth_info("tbca : addr - 0x%08x, val - 0x%08x",
691 (u32) & ugeth->ug_regs->tbca,
692 in_be32(&ugeth->ug_regs->tbca));
693 ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x",
694 (u32) & ugeth->ug_regs->rxfok,
695 in_be32(&ugeth->ug_regs->rxfok));
696 ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x",
697 (u32) & ugeth->ug_regs->rxbok,
698 in_be32(&ugeth->ug_regs->rxbok));
699 ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x",
700 (u32) & ugeth->ug_regs->rbyt,
701 in_be32(&ugeth->ug_regs->rbyt));
702 ugeth_info("rmca : addr - 0x%08x, val - 0x%08x",
703 (u32) & ugeth->ug_regs->rmca,
704 in_be32(&ugeth->ug_regs->rmca));
705 ugeth_info("rbca : addr - 0x%08x, val - 0x%08x",
706 (u32) & ugeth->ug_regs->rbca,
707 in_be32(&ugeth->ug_regs->rbca));
708 ugeth_info("scar : addr - 0x%08x, val - 0x%08x",
709 (u32) & ugeth->ug_regs->scar,
710 in_be32(&ugeth->ug_regs->scar));
711 ugeth_info("scam : addr - 0x%08x, val - 0x%08x",
712 (u32) & ugeth->ug_regs->scam,
713 in_be32(&ugeth->ug_regs->scam));
714
715 if (ugeth->p_thread_data_tx) {
716 int numThreadsTxNumerical;
717 switch (ugeth->ug_info->numThreadsTx) {
718 case UCC_GETH_NUM_OF_THREADS_1:
719 numThreadsTxNumerical = 1;
720 break;
721 case UCC_GETH_NUM_OF_THREADS_2:
722 numThreadsTxNumerical = 2;
723 break;
724 case UCC_GETH_NUM_OF_THREADS_4:
725 numThreadsTxNumerical = 4;
726 break;
727 case UCC_GETH_NUM_OF_THREADS_6:
728 numThreadsTxNumerical = 6;
729 break;
730 case UCC_GETH_NUM_OF_THREADS_8:
731 numThreadsTxNumerical = 8;
732 break;
733 default:
734 numThreadsTxNumerical = 0;
735 break;
736 }
737
738 ugeth_info("Thread data TXs:");
739 ugeth_info("Base address: 0x%08x",
740 (u32) ugeth->p_thread_data_tx);
741 for (i = 0; i < numThreadsTxNumerical; i++) {
742 ugeth_info("Thread data TX[%d]:", i);
743 ugeth_info("Base address: 0x%08x",
744 (u32) & ugeth->p_thread_data_tx[i]);
745 mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
746 sizeof(struct ucc_geth_thread_data_tx));
747 }
748 }
749 if (ugeth->p_thread_data_rx) {
750 int numThreadsRxNumerical;
751 switch (ugeth->ug_info->numThreadsRx) {
752 case UCC_GETH_NUM_OF_THREADS_1:
753 numThreadsRxNumerical = 1;
754 break;
755 case UCC_GETH_NUM_OF_THREADS_2:
756 numThreadsRxNumerical = 2;
757 break;
758 case UCC_GETH_NUM_OF_THREADS_4:
759 numThreadsRxNumerical = 4;
760 break;
761 case UCC_GETH_NUM_OF_THREADS_6:
762 numThreadsRxNumerical = 6;
763 break;
764 case UCC_GETH_NUM_OF_THREADS_8:
765 numThreadsRxNumerical = 8;
766 break;
767 default:
768 numThreadsRxNumerical = 0;
769 break;
770 }
771
772 ugeth_info("Thread data RX:");
773 ugeth_info("Base address: 0x%08x",
774 (u32) ugeth->p_thread_data_rx);
775 for (i = 0; i < numThreadsRxNumerical; i++) {
776 ugeth_info("Thread data RX[%d]:", i);
777 ugeth_info("Base address: 0x%08x",
778 (u32) & ugeth->p_thread_data_rx[i]);
779 mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
780 sizeof(struct ucc_geth_thread_data_rx));
781 }
782 }
783 if (ugeth->p_exf_glbl_param) {
784 ugeth_info("EXF global param:");
785 ugeth_info("Base address: 0x%08x",
786 (u32) ugeth->p_exf_glbl_param);
787 mem_disp((u8 *) ugeth->p_exf_glbl_param,
788 sizeof(*ugeth->p_exf_glbl_param));
789 }
790 if (ugeth->p_tx_glbl_pram) {
791 ugeth_info("TX global param:");
792 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
793 ugeth_info("temoder : addr - 0x%08x, val - 0x%04x",
794 (u32) & ugeth->p_tx_glbl_pram->temoder,
795 in_be16(&ugeth->p_tx_glbl_pram->temoder));
796 ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x",
797 (u32) & ugeth->p_tx_glbl_pram->sqptr,
798 in_be32(&ugeth->p_tx_glbl_pram->sqptr));
799 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
800 (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
801 in_be32(&ugeth->p_tx_glbl_pram->
802 schedulerbasepointer));
803 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
804 (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
805 in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
806 ugeth_info("tstate : addr - 0x%08x, val - 0x%08x",
807 (u32) & ugeth->p_tx_glbl_pram->tstate,
808 in_be32(&ugeth->p_tx_glbl_pram->tstate));
809 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
810 (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
811 ugeth->p_tx_glbl_pram->iphoffset[0]);
812 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
813 (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
814 ugeth->p_tx_glbl_pram->iphoffset[1]);
815 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
816 (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
817 ugeth->p_tx_glbl_pram->iphoffset[2]);
818 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
819 (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
820 ugeth->p_tx_glbl_pram->iphoffset[3]);
821 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
822 (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
823 ugeth->p_tx_glbl_pram->iphoffset[4]);
824 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
825 (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
826 ugeth->p_tx_glbl_pram->iphoffset[5]);
827 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
828 (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
829 ugeth->p_tx_glbl_pram->iphoffset[6]);
830 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
831 (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
832 ugeth->p_tx_glbl_pram->iphoffset[7]);
833 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
834 (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
835 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
836 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
837 (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
838 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
839 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
840 (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
841 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
842 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
843 (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
844 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
845 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
846 (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
847 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
848 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
849 (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
850 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
851 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
852 (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
853 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
854 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
855 (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
856 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
857 ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x",
858 (u32) & ugeth->p_tx_glbl_pram->tqptr,
859 in_be32(&ugeth->p_tx_glbl_pram->tqptr));
860 }
861 if (ugeth->p_rx_glbl_pram) {
862 ugeth_info("RX global param:");
863 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
864 ugeth_info("remoder : addr - 0x%08x, val - 0x%08x",
865 (u32) & ugeth->p_rx_glbl_pram->remoder,
866 in_be32(&ugeth->p_rx_glbl_pram->remoder));
867 ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x",
868 (u32) & ugeth->p_rx_glbl_pram->rqptr,
869 in_be32(&ugeth->p_rx_glbl_pram->rqptr));
870 ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x",
871 (u32) & ugeth->p_rx_glbl_pram->typeorlen,
872 in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
873 ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x",
874 (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
875 ugeth->p_rx_glbl_pram->rxgstpack);
876 ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x",
877 (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
878 in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
879 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
880 (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
881 in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
882 ugeth_info("rstate : addr - 0x%08x, val - 0x%02x",
883 (u32) & ugeth->p_rx_glbl_pram->rstate,
884 ugeth->p_rx_glbl_pram->rstate);
885 ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x",
886 (u32) & ugeth->p_rx_glbl_pram->mrblr,
887 in_be16(&ugeth->p_rx_glbl_pram->mrblr));
888 ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x",
889 (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
890 in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
891 ugeth_info("mflr : addr - 0x%08x, val - 0x%04x",
892 (u32) & ugeth->p_rx_glbl_pram->mflr,
893 in_be16(&ugeth->p_rx_glbl_pram->mflr));
894 ugeth_info("minflr : addr - 0x%08x, val - 0x%04x",
895 (u32) & ugeth->p_rx_glbl_pram->minflr,
896 in_be16(&ugeth->p_rx_glbl_pram->minflr));
897 ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x",
898 (u32) & ugeth->p_rx_glbl_pram->maxd1,
899 in_be16(&ugeth->p_rx_glbl_pram->maxd1));
900 ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x",
901 (u32) & ugeth->p_rx_glbl_pram->maxd2,
902 in_be16(&ugeth->p_rx_glbl_pram->maxd2));
903 ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x",
904 (u32) & ugeth->p_rx_glbl_pram->ecamptr,
905 in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
906 ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x",
907 (u32) & ugeth->p_rx_glbl_pram->l2qt,
908 in_be32(&ugeth->p_rx_glbl_pram->l2qt));
909 ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x",
910 (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
911 in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
912 ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x",
913 (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
914 in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
915 ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x",
916 (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
917 in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
918 ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x",
919 (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
920 in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
921 ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x",
922 (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
923 in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
924 ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x",
925 (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
926 in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
927 ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x",
928 (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
929 in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
930 ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x",
931 (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
932 in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
933 ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x",
934 (u32) & ugeth->p_rx_glbl_pram->vlantype,
935 in_be16(&ugeth->p_rx_glbl_pram->vlantype));
936 ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x",
937 (u32) & ugeth->p_rx_glbl_pram->vlantci,
938 in_be16(&ugeth->p_rx_glbl_pram->vlantci));
939 for (i = 0; i < 64; i++)
940 ugeth_info
941 ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
942 i,
943 (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
944 ugeth->p_rx_glbl_pram->addressfiltering[i]);
945 ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x",
946 (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
947 in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
948 }
949 if (ugeth->p_send_q_mem_reg) {
950 ugeth_info("Send Q memory registers:");
951 ugeth_info("Base address: 0x%08x",
952 (u32) ugeth->p_send_q_mem_reg);
953 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
954 ugeth_info("SQQD[%d]:", i);
955 ugeth_info("Base address: 0x%08x",
956 (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
957 mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
958 sizeof(struct ucc_geth_send_queue_qd));
959 }
960 }
961 if (ugeth->p_scheduler) {
962 ugeth_info("Scheduler:");
963 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
964 mem_disp((u8 *) ugeth->p_scheduler,
965 sizeof(*ugeth->p_scheduler));
966 }
967 if (ugeth->p_tx_fw_statistics_pram) {
968 ugeth_info("TX FW statistics pram:");
969 ugeth_info("Base address: 0x%08x",
970 (u32) ugeth->p_tx_fw_statistics_pram);
971 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
972 sizeof(*ugeth->p_tx_fw_statistics_pram));
973 }
974 if (ugeth->p_rx_fw_statistics_pram) {
975 ugeth_info("RX FW statistics pram:");
976 ugeth_info("Base address: 0x%08x",
977 (u32) ugeth->p_rx_fw_statistics_pram);
978 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
979 sizeof(*ugeth->p_rx_fw_statistics_pram));
980 }
981 if (ugeth->p_rx_irq_coalescing_tbl) {
982 ugeth_info("RX IRQ coalescing tables:");
983 ugeth_info("Base address: 0x%08x",
984 (u32) ugeth->p_rx_irq_coalescing_tbl);
985 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
986 ugeth_info("RX IRQ coalescing table entry[%d]:", i);
987 ugeth_info("Base address: 0x%08x",
988 (u32) & ugeth->p_rx_irq_coalescing_tbl->
989 coalescingentry[i]);
990 ugeth_info
991 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
992 (u32) & ugeth->p_rx_irq_coalescing_tbl->
993 coalescingentry[i].interruptcoalescingmaxvalue,
994 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
995 coalescingentry[i].
996 interruptcoalescingmaxvalue));
997 ugeth_info
998 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
999 (u32) & ugeth->p_rx_irq_coalescing_tbl->
1000 coalescingentry[i].interruptcoalescingcounter,
1001 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1002 coalescingentry[i].
1003 interruptcoalescingcounter));
1004 }
1005 }
1006 if (ugeth->p_rx_bd_qs_tbl) {
1007 ugeth_info("RX BD QS tables:");
1008 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1009 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1010 ugeth_info("RX BD QS table[%d]:", i);
1011 ugeth_info("Base address: 0x%08x",
1012 (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1013 ugeth_info
1014 ("bdbaseptr : addr - 0x%08x, val - 0x%08x",
1015 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1016 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1017 ugeth_info
1018 ("bdptr : addr - 0x%08x, val - 0x%08x",
1019 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1020 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1021 ugeth_info
1022 ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1023 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1024 in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1025 externalbdbaseptr));
1026 ugeth_info
1027 ("externalbdptr : addr - 0x%08x, val - 0x%08x",
1028 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1029 in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1030 ugeth_info("ucode RX Prefetched BDs:");
1031 ugeth_info("Base address: 0x%08x",
1032 (u32)
1033 qe_muram_addr(in_be32
1034 (&ugeth->p_rx_bd_qs_tbl[i].
1035 bdbaseptr)));
1036 mem_disp((u8 *)
1037 qe_muram_addr(in_be32
1038 (&ugeth->p_rx_bd_qs_tbl[i].
1039 bdbaseptr)),
1040 sizeof(struct ucc_geth_rx_prefetched_bds));
1041 }
1042 }
1043 if (ugeth->p_init_enet_param_shadow) {
1044 int size;
1045 ugeth_info("Init enet param shadow:");
1046 ugeth_info("Base address: 0x%08x",
1047 (u32) ugeth->p_init_enet_param_shadow);
1048 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1049 sizeof(*ugeth->p_init_enet_param_shadow));
1050
1051 size = sizeof(struct ucc_geth_thread_rx_pram);
1052 if (ugeth->ug_info->rxExtendedFiltering) {
1053 size +=
1054 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1055 if (ugeth->ug_info->largestexternallookupkeysize ==
1056 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1057 size +=
1058 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1059 if (ugeth->ug_info->largestexternallookupkeysize ==
1060 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1061 size +=
1062 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1063 }
1064
1065 dump_init_enet_entries(ugeth,
1066 &(ugeth->p_init_enet_param_shadow->
1067 txthread[0]),
1068 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1069 sizeof(struct ucc_geth_thread_tx_pram),
1070 ugeth->ug_info->riscTx, 0);
1071 dump_init_enet_entries(ugeth,
1072 &(ugeth->p_init_enet_param_shadow->
1073 rxthread[0]),
1074 ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1075 ugeth->ug_info->riscRx, 1);
1076 }
1077 }
1078 #endif /* DEBUG */
1079
1080 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1081 u32 __iomem *maccfg1_register,
1082 u32 __iomem *maccfg2_register)
1083 {
1084 out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1085 out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1086 out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1087 }
1088
1089 static int init_half_duplex_params(int alt_beb,
1090 int back_pressure_no_backoff,
1091 int no_backoff,
1092 int excess_defer,
1093 u8 alt_beb_truncation,
1094 u8 max_retransmissions,
1095 u8 collision_window,
1096 u32 __iomem *hafdup_register)
1097 {
1098 u32 value = 0;
1099
1100 if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1101 (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1102 (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1103 return -EINVAL;
1104
1105 value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1106
1107 if (alt_beb)
1108 value |= HALFDUP_ALT_BEB;
1109 if (back_pressure_no_backoff)
1110 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1111 if (no_backoff)
1112 value |= HALFDUP_NO_BACKOFF;
1113 if (excess_defer)
1114 value |= HALFDUP_EXCESSIVE_DEFER;
1115
1116 value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1117
1118 value |= collision_window;
1119
1120 out_be32(hafdup_register, value);
1121 return 0;
1122 }
1123
1124 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1125 u8 non_btb_ipg,
1126 u8 min_ifg,
1127 u8 btb_ipg,
1128 u32 __iomem *ipgifg_register)
1129 {
1130 u32 value = 0;
1131
1132 /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1133 IPG part 2 */
1134 if (non_btb_cs_ipg > non_btb_ipg)
1135 return -EINVAL;
1136
1137 if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1138 (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1139 /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1140 (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1141 return -EINVAL;
1142
1143 value |=
1144 ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1145 IPGIFG_NBTB_CS_IPG_MASK);
1146 value |=
1147 ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1148 IPGIFG_NBTB_IPG_MASK);
1149 value |=
1150 ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1151 IPGIFG_MIN_IFG_MASK);
1152 value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1153
1154 out_be32(ipgifg_register, value);
1155 return 0;
1156 }
1157
1158 int init_flow_control_params(u32 automatic_flow_control_mode,
1159 int rx_flow_control_enable,
1160 int tx_flow_control_enable,
1161 u16 pause_period,
1162 u16 extension_field,
1163 u32 __iomem *upsmr_register,
1164 u32 __iomem *uempr_register,
1165 u32 __iomem *maccfg1_register)
1166 {
1167 u32 value = 0;
1168
1169 /* Set UEMPR register */
1170 value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1171 value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1172 out_be32(uempr_register, value);
1173
1174 /* Set UPSMR register */
1175 setbits32(upsmr_register, automatic_flow_control_mode);
1176
1177 value = in_be32(maccfg1_register);
1178 if (rx_flow_control_enable)
1179 value |= MACCFG1_FLOW_RX;
1180 if (tx_flow_control_enable)
1181 value |= MACCFG1_FLOW_TX;
1182 out_be32(maccfg1_register, value);
1183
1184 return 0;
1185 }
1186
1187 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1188 int auto_zero_hardware_statistics,
1189 u32 __iomem *upsmr_register,
1190 u16 __iomem *uescr_register)
1191 {
1192 u16 uescr_value = 0;
1193
1194 /* Enable hardware statistics gathering if requested */
1195 if (enable_hardware_statistics)
1196 setbits32(upsmr_register, UCC_GETH_UPSMR_HSE);
1197
1198 /* Clear hardware statistics counters */
1199 uescr_value = in_be16(uescr_register);
1200 uescr_value |= UESCR_CLRCNT;
1201 /* Automatically zero hardware statistics counters on read,
1202 if requested */
1203 if (auto_zero_hardware_statistics)
1204 uescr_value |= UESCR_AUTOZ;
1205 out_be16(uescr_register, uescr_value);
1206
1207 return 0;
1208 }
1209
1210 static int init_firmware_statistics_gathering_mode(int
1211 enable_tx_firmware_statistics,
1212 int enable_rx_firmware_statistics,
1213 u32 __iomem *tx_rmon_base_ptr,
1214 u32 tx_firmware_statistics_structure_address,
1215 u32 __iomem *rx_rmon_base_ptr,
1216 u32 rx_firmware_statistics_structure_address,
1217 u16 __iomem *temoder_register,
1218 u32 __iomem *remoder_register)
1219 {
1220 /* Note: this function does not check if */
1221 /* the parameters it receives are NULL */
1222
1223 if (enable_tx_firmware_statistics) {
1224 out_be32(tx_rmon_base_ptr,
1225 tx_firmware_statistics_structure_address);
1226 setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE);
1227 }
1228
1229 if (enable_rx_firmware_statistics) {
1230 out_be32(rx_rmon_base_ptr,
1231 rx_firmware_statistics_structure_address);
1232 setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE);
1233 }
1234
1235 return 0;
1236 }
1237
1238 static int init_mac_station_addr_regs(u8 address_byte_0,
1239 u8 address_byte_1,
1240 u8 address_byte_2,
1241 u8 address_byte_3,
1242 u8 address_byte_4,
1243 u8 address_byte_5,
1244 u32 __iomem *macstnaddr1_register,
1245 u32 __iomem *macstnaddr2_register)
1246 {
1247 u32 value = 0;
1248
1249 /* Example: for a station address of 0x12345678ABCD, */
1250 /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1251
1252 /* MACSTNADDR1 Register: */
1253
1254 /* 0 7 8 15 */
1255 /* station address byte 5 station address byte 4 */
1256 /* 16 23 24 31 */
1257 /* station address byte 3 station address byte 2 */
1258 value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1259 value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1260 value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1261 value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1262
1263 out_be32(macstnaddr1_register, value);
1264
1265 /* MACSTNADDR2 Register: */
1266
1267 /* 0 7 8 15 */
1268 /* station address byte 1 station address byte 0 */
1269 /* 16 23 24 31 */
1270 /* reserved reserved */
1271 value = 0;
1272 value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1273 value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1274
1275 out_be32(macstnaddr2_register, value);
1276
1277 return 0;
1278 }
1279
1280 static int init_check_frame_length_mode(int length_check,
1281 u32 __iomem *maccfg2_register)
1282 {
1283 u32 value = 0;
1284
1285 value = in_be32(maccfg2_register);
1286
1287 if (length_check)
1288 value |= MACCFG2_LC;
1289 else
1290 value &= ~MACCFG2_LC;
1291
1292 out_be32(maccfg2_register, value);
1293 return 0;
1294 }
1295
1296 static int init_preamble_length(u8 preamble_length,
1297 u32 __iomem *maccfg2_register)
1298 {
1299 if ((preamble_length < 3) || (preamble_length > 7))
1300 return -EINVAL;
1301
1302 clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK,
1303 preamble_length << MACCFG2_PREL_SHIFT);
1304
1305 return 0;
1306 }
1307
1308 static int init_rx_parameters(int reject_broadcast,
1309 int receive_short_frames,
1310 int promiscuous, u32 __iomem *upsmr_register)
1311 {
1312 u32 value = 0;
1313
1314 value = in_be32(upsmr_register);
1315
1316 if (reject_broadcast)
1317 value |= UCC_GETH_UPSMR_BRO;
1318 else
1319 value &= ~UCC_GETH_UPSMR_BRO;
1320
1321 if (receive_short_frames)
1322 value |= UCC_GETH_UPSMR_RSH;
1323 else
1324 value &= ~UCC_GETH_UPSMR_RSH;
1325
1326 if (promiscuous)
1327 value |= UCC_GETH_UPSMR_PRO;
1328 else
1329 value &= ~UCC_GETH_UPSMR_PRO;
1330
1331 out_be32(upsmr_register, value);
1332
1333 return 0;
1334 }
1335
1336 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1337 u16 __iomem *mrblr_register)
1338 {
1339 /* max_rx_buf_len value must be a multiple of 128 */
1340 if ((max_rx_buf_len == 0)
1341 || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1342 return -EINVAL;
1343
1344 out_be16(mrblr_register, max_rx_buf_len);
1345 return 0;
1346 }
1347
1348 static int init_min_frame_len(u16 min_frame_length,
1349 u16 __iomem *minflr_register,
1350 u16 __iomem *mrblr_register)
1351 {
1352 u16 mrblr_value = 0;
1353
1354 mrblr_value = in_be16(mrblr_register);
1355 if (min_frame_length >= (mrblr_value - 4))
1356 return -EINVAL;
1357
1358 out_be16(minflr_register, min_frame_length);
1359 return 0;
1360 }
1361
1362 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1363 {
1364 struct ucc_geth_info *ug_info;
1365 struct ucc_geth __iomem *ug_regs;
1366 struct ucc_fast __iomem *uf_regs;
1367 int ret_val;
1368 u32 upsmr, maccfg2, tbiBaseAddress;
1369 u16 value;
1370
1371 ugeth_vdbg("%s: IN", __func__);
1372
1373 ug_info = ugeth->ug_info;
1374 ug_regs = ugeth->ug_regs;
1375 uf_regs = ugeth->uccf->uf_regs;
1376
1377 /* Set MACCFG2 */
1378 maccfg2 = in_be32(&ug_regs->maccfg2);
1379 maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1380 if ((ugeth->max_speed == SPEED_10) ||
1381 (ugeth->max_speed == SPEED_100))
1382 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1383 else if (ugeth->max_speed == SPEED_1000)
1384 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1385 maccfg2 |= ug_info->padAndCrc;
1386 out_be32(&ug_regs->maccfg2, maccfg2);
1387
1388 /* Set UPSMR */
1389 upsmr = in_be32(&uf_regs->upsmr);
1390 upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
1391 UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
1392 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1393 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1394 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1395 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1396 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1397 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1398 upsmr |= UCC_GETH_UPSMR_RPM;
1399 switch (ugeth->max_speed) {
1400 case SPEED_10:
1401 upsmr |= UCC_GETH_UPSMR_R10M;
1402 /* FALLTHROUGH */
1403 case SPEED_100:
1404 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1405 upsmr |= UCC_GETH_UPSMR_RMM;
1406 }
1407 }
1408 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1409 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1410 upsmr |= UCC_GETH_UPSMR_TBIM;
1411 }
1412 out_be32(&uf_regs->upsmr, upsmr);
1413
1414 /* Disable autonegotiation in tbi mode, because by default it
1415 comes up in autonegotiation mode. */
1416 /* Note that this depends on proper setting in utbipar register. */
1417 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1418 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1419 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1420 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1421 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1422 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1423 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
1424 value &= ~0x1000; /* Turn off autonegotiation */
1425 ugeth->phydev->bus->write(ugeth->phydev->bus,
1426 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1427 }
1428
1429 init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1430
1431 ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1432 if (ret_val != 0) {
1433 if (netif_msg_probe(ugeth))
1434 ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1435 __func__);
1436 return ret_val;
1437 }
1438
1439 return 0;
1440 }
1441
1442 /* Called every time the controller might need to be made
1443 * aware of new link state. The PHY code conveys this
1444 * information through variables in the ugeth structure, and this
1445 * function converts those variables into the appropriate
1446 * register values, and can bring down the device if needed.
1447 */
1448
1449 static void adjust_link(struct net_device *dev)
1450 {
1451 struct ucc_geth_private *ugeth = netdev_priv(dev);
1452 struct ucc_geth __iomem *ug_regs;
1453 struct ucc_fast __iomem *uf_regs;
1454 struct phy_device *phydev = ugeth->phydev;
1455 unsigned long flags;
1456 int new_state = 0;
1457
1458 ug_regs = ugeth->ug_regs;
1459 uf_regs = ugeth->uccf->uf_regs;
1460
1461 spin_lock_irqsave(&ugeth->lock, flags);
1462
1463 if (phydev->link) {
1464 u32 tempval = in_be32(&ug_regs->maccfg2);
1465 u32 upsmr = in_be32(&uf_regs->upsmr);
1466 /* Now we make sure that we can be in full duplex mode.
1467 * If not, we operate in half-duplex mode. */
1468 if (phydev->duplex != ugeth->oldduplex) {
1469 new_state = 1;
1470 if (!(phydev->duplex))
1471 tempval &= ~(MACCFG2_FDX);
1472 else
1473 tempval |= MACCFG2_FDX;
1474 ugeth->oldduplex = phydev->duplex;
1475 }
1476
1477 if (phydev->speed != ugeth->oldspeed) {
1478 new_state = 1;
1479 switch (phydev->speed) {
1480 case SPEED_1000:
1481 tempval = ((tempval &
1482 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1483 MACCFG2_INTERFACE_MODE_BYTE);
1484 break;
1485 case SPEED_100:
1486 case SPEED_10:
1487 tempval = ((tempval &
1488 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1489 MACCFG2_INTERFACE_MODE_NIBBLE);
1490 /* if reduced mode, re-set UPSMR.R10M */
1491 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1492 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1493 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1494 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1495 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1496 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1497 if (phydev->speed == SPEED_10)
1498 upsmr |= UCC_GETH_UPSMR_R10M;
1499 else
1500 upsmr &= ~UCC_GETH_UPSMR_R10M;
1501 }
1502 break;
1503 default:
1504 if (netif_msg_link(ugeth))
1505 ugeth_warn(
1506 "%s: Ack! Speed (%d) is not 10/100/1000!",
1507 dev->name, phydev->speed);
1508 break;
1509 }
1510 ugeth->oldspeed = phydev->speed;
1511 }
1512
1513 out_be32(&ug_regs->maccfg2, tempval);
1514 out_be32(&uf_regs->upsmr, upsmr);
1515
1516 if (!ugeth->oldlink) {
1517 new_state = 1;
1518 ugeth->oldlink = 1;
1519 }
1520 } else if (ugeth->oldlink) {
1521 new_state = 1;
1522 ugeth->oldlink = 0;
1523 ugeth->oldspeed = 0;
1524 ugeth->oldduplex = -1;
1525 }
1526
1527 if (new_state && netif_msg_link(ugeth))
1528 phy_print_status(phydev);
1529
1530 spin_unlock_irqrestore(&ugeth->lock, flags);
1531 }
1532
1533 /* Configure the PHY for dev.
1534 * returns 0 if success. -1 if failure
1535 */
1536 static int init_phy(struct net_device *dev)
1537 {
1538 struct ucc_geth_private *priv = netdev_priv(dev);
1539 struct device_node *np = priv->node;
1540 struct device_node *phy, *mdio;
1541 const phandle *ph;
1542 char bus_name[MII_BUS_ID_SIZE];
1543 const unsigned int *id;
1544 struct phy_device *phydev;
1545 char phy_id[BUS_ID_SIZE];
1546
1547 priv->oldlink = 0;
1548 priv->oldspeed = 0;
1549 priv->oldduplex = -1;
1550
1551 ph = of_get_property(np, "phy-handle", NULL);
1552 phy = of_find_node_by_phandle(*ph);
1553 mdio = of_get_parent(phy);
1554
1555 id = of_get_property(phy, "reg", NULL);
1556
1557 of_node_put(phy);
1558 of_node_put(mdio);
1559
1560 uec_mdio_bus_name(bus_name, mdio);
1561 snprintf(phy_id, sizeof(phy_id), "%s:%02x",
1562 bus_name, *id);
1563
1564 phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1565
1566 if (IS_ERR(phydev)) {
1567 printk("%s: Could not attach to PHY\n", dev->name);
1568 return PTR_ERR(phydev);
1569 }
1570
1571 phydev->supported &= (ADVERTISED_10baseT_Half |
1572 ADVERTISED_10baseT_Full |
1573 ADVERTISED_100baseT_Half |
1574 ADVERTISED_100baseT_Full);
1575
1576 if (priv->max_speed == SPEED_1000)
1577 phydev->supported |= ADVERTISED_1000baseT_Full;
1578
1579 phydev->advertising = phydev->supported;
1580
1581 priv->phydev = phydev;
1582
1583 return 0;
1584 }
1585
1586
1587
1588 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1589 {
1590 struct ucc_fast_private *uccf;
1591 u32 cecr_subblock;
1592 u32 temp;
1593 int i = 10;
1594
1595 uccf = ugeth->uccf;
1596
1597 /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1598 clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA);
1599 out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */
1600
1601 /* Issue host command */
1602 cecr_subblock =
1603 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1604 qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1605 QE_CR_PROTOCOL_ETHERNET, 0);
1606
1607 /* Wait for command to complete */
1608 do {
1609 msleep(10);
1610 temp = in_be32(uccf->p_ucce);
1611 } while (!(temp & UCC_GETH_UCCE_GRA) && --i);
1612
1613 uccf->stopped_tx = 1;
1614
1615 return 0;
1616 }
1617
1618 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1619 {
1620 struct ucc_fast_private *uccf;
1621 u32 cecr_subblock;
1622 u8 temp;
1623 int i = 10;
1624
1625 uccf = ugeth->uccf;
1626
1627 /* Clear acknowledge bit */
1628 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1629 temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1630 out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1631
1632 /* Keep issuing command and checking acknowledge bit until
1633 it is asserted, according to spec */
1634 do {
1635 /* Issue host command */
1636 cecr_subblock =
1637 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1638 ucc_num);
1639 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1640 QE_CR_PROTOCOL_ETHERNET, 0);
1641 msleep(10);
1642 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1643 } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1644
1645 uccf->stopped_rx = 1;
1646
1647 return 0;
1648 }
1649
1650 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1651 {
1652 struct ucc_fast_private *uccf;
1653 u32 cecr_subblock;
1654
1655 uccf = ugeth->uccf;
1656
1657 cecr_subblock =
1658 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1659 qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1660 uccf->stopped_tx = 0;
1661
1662 return 0;
1663 }
1664
1665 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1666 {
1667 struct ucc_fast_private *uccf;
1668 u32 cecr_subblock;
1669
1670 uccf = ugeth->uccf;
1671
1672 cecr_subblock =
1673 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1674 qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1675 0);
1676 uccf->stopped_rx = 0;
1677
1678 return 0;
1679 }
1680
1681 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1682 {
1683 struct ucc_fast_private *uccf;
1684 int enabled_tx, enabled_rx;
1685
1686 uccf = ugeth->uccf;
1687
1688 /* check if the UCC number is in range. */
1689 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1690 if (netif_msg_probe(ugeth))
1691 ugeth_err("%s: ucc_num out of range.", __func__);
1692 return -EINVAL;
1693 }
1694
1695 enabled_tx = uccf->enabled_tx;
1696 enabled_rx = uccf->enabled_rx;
1697
1698 /* Get Tx and Rx going again, in case this channel was actively
1699 disabled. */
1700 if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1701 ugeth_restart_tx(ugeth);
1702 if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1703 ugeth_restart_rx(ugeth);
1704
1705 ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
1706
1707 return 0;
1708
1709 }
1710
1711 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1712 {
1713 struct ucc_fast_private *uccf;
1714
1715 uccf = ugeth->uccf;
1716
1717 /* check if the UCC number is in range. */
1718 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1719 if (netif_msg_probe(ugeth))
1720 ugeth_err("%s: ucc_num out of range.", __func__);
1721 return -EINVAL;
1722 }
1723
1724 /* Stop any transmissions */
1725 if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1726 ugeth_graceful_stop_tx(ugeth);
1727
1728 /* Stop any receptions */
1729 if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1730 ugeth_graceful_stop_rx(ugeth);
1731
1732 ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1733
1734 return 0;
1735 }
1736
1737 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1738 {
1739 #ifdef DEBUG
1740 ucc_fast_dump_regs(ugeth->uccf);
1741 dump_regs(ugeth);
1742 dump_bds(ugeth);
1743 #endif
1744 }
1745
1746 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1747 ugeth,
1748 enum enet_addr_type
1749 enet_addr_type)
1750 {
1751 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1752 struct ucc_fast_private *uccf;
1753 enum comm_dir comm_dir;
1754 struct list_head *p_lh;
1755 u16 i, num;
1756 u32 __iomem *addr_h;
1757 u32 __iomem *addr_l;
1758 u8 *p_counter;
1759
1760 uccf = ugeth->uccf;
1761
1762 p_82xx_addr_filt =
1763 (struct ucc_geth_82xx_address_filtering_pram __iomem *)
1764 ugeth->p_rx_glbl_pram->addressfiltering;
1765
1766 if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
1767 addr_h = &(p_82xx_addr_filt->gaddr_h);
1768 addr_l = &(p_82xx_addr_filt->gaddr_l);
1769 p_lh = &ugeth->group_hash_q;
1770 p_counter = &(ugeth->numGroupAddrInHash);
1771 } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
1772 addr_h = &(p_82xx_addr_filt->iaddr_h);
1773 addr_l = &(p_82xx_addr_filt->iaddr_l);
1774 p_lh = &ugeth->ind_hash_q;
1775 p_counter = &(ugeth->numIndAddrInHash);
1776 } else
1777 return -EINVAL;
1778
1779 comm_dir = 0;
1780 if (uccf->enabled_tx)
1781 comm_dir |= COMM_DIR_TX;
1782 if (uccf->enabled_rx)
1783 comm_dir |= COMM_DIR_RX;
1784 if (comm_dir)
1785 ugeth_disable(ugeth, comm_dir);
1786
1787 /* Clear the hash table. */
1788 out_be32(addr_h, 0x00000000);
1789 out_be32(addr_l, 0x00000000);
1790
1791 if (!p_lh)
1792 return 0;
1793
1794 num = *p_counter;
1795
1796 /* Delete all remaining CQ elements */
1797 for (i = 0; i < num; i++)
1798 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
1799
1800 *p_counter = 0;
1801
1802 if (comm_dir)
1803 ugeth_enable(ugeth, comm_dir);
1804
1805 return 0;
1806 }
1807
1808 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
1809 u8 paddr_num)
1810 {
1811 ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
1812 return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
1813 }
1814
1815 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
1816 {
1817 u16 i, j;
1818 u8 __iomem *bd;
1819
1820 if (!ugeth)
1821 return;
1822
1823 if (ugeth->uccf) {
1824 ucc_fast_free(ugeth->uccf);
1825 ugeth->uccf = NULL;
1826 }
1827
1828 if (ugeth->p_thread_data_tx) {
1829 qe_muram_free(ugeth->thread_dat_tx_offset);
1830 ugeth->p_thread_data_tx = NULL;
1831 }
1832 if (ugeth->p_thread_data_rx) {
1833 qe_muram_free(ugeth->thread_dat_rx_offset);
1834 ugeth->p_thread_data_rx = NULL;
1835 }
1836 if (ugeth->p_exf_glbl_param) {
1837 qe_muram_free(ugeth->exf_glbl_param_offset);
1838 ugeth->p_exf_glbl_param = NULL;
1839 }
1840 if (ugeth->p_rx_glbl_pram) {
1841 qe_muram_free(ugeth->rx_glbl_pram_offset);
1842 ugeth->p_rx_glbl_pram = NULL;
1843 }
1844 if (ugeth->p_tx_glbl_pram) {
1845 qe_muram_free(ugeth->tx_glbl_pram_offset);
1846 ugeth->p_tx_glbl_pram = NULL;
1847 }
1848 if (ugeth->p_send_q_mem_reg) {
1849 qe_muram_free(ugeth->send_q_mem_reg_offset);
1850 ugeth->p_send_q_mem_reg = NULL;
1851 }
1852 if (ugeth->p_scheduler) {
1853 qe_muram_free(ugeth->scheduler_offset);
1854 ugeth->p_scheduler = NULL;
1855 }
1856 if (ugeth->p_tx_fw_statistics_pram) {
1857 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
1858 ugeth->p_tx_fw_statistics_pram = NULL;
1859 }
1860 if (ugeth->p_rx_fw_statistics_pram) {
1861 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
1862 ugeth->p_rx_fw_statistics_pram = NULL;
1863 }
1864 if (ugeth->p_rx_irq_coalescing_tbl) {
1865 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
1866 ugeth->p_rx_irq_coalescing_tbl = NULL;
1867 }
1868 if (ugeth->p_rx_bd_qs_tbl) {
1869 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
1870 ugeth->p_rx_bd_qs_tbl = NULL;
1871 }
1872 if (ugeth->p_init_enet_param_shadow) {
1873 return_init_enet_entries(ugeth,
1874 &(ugeth->p_init_enet_param_shadow->
1875 rxthread[0]),
1876 ENET_INIT_PARAM_MAX_ENTRIES_RX,
1877 ugeth->ug_info->riscRx, 1);
1878 return_init_enet_entries(ugeth,
1879 &(ugeth->p_init_enet_param_shadow->
1880 txthread[0]),
1881 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1882 ugeth->ug_info->riscTx, 0);
1883 kfree(ugeth->p_init_enet_param_shadow);
1884 ugeth->p_init_enet_param_shadow = NULL;
1885 }
1886 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1887 bd = ugeth->p_tx_bd_ring[i];
1888 if (!bd)
1889 continue;
1890 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
1891 if (ugeth->tx_skbuff[i][j]) {
1892 dma_unmap_single(&ugeth->dev->dev,
1893 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1894 (in_be32((u32 __iomem *)bd) &
1895 BD_LENGTH_MASK),
1896 DMA_TO_DEVICE);
1897 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
1898 ugeth->tx_skbuff[i][j] = NULL;
1899 }
1900 }
1901
1902 kfree(ugeth->tx_skbuff[i]);
1903
1904 if (ugeth->p_tx_bd_ring[i]) {
1905 if (ugeth->ug_info->uf_info.bd_mem_part ==
1906 MEM_PART_SYSTEM)
1907 kfree((void *)ugeth->tx_bd_ring_offset[i]);
1908 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1909 MEM_PART_MURAM)
1910 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
1911 ugeth->p_tx_bd_ring[i] = NULL;
1912 }
1913 }
1914 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1915 if (ugeth->p_rx_bd_ring[i]) {
1916 /* Return existing data buffers in ring */
1917 bd = ugeth->p_rx_bd_ring[i];
1918 for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
1919 if (ugeth->rx_skbuff[i][j]) {
1920 dma_unmap_single(&ugeth->dev->dev,
1921 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1922 ugeth->ug_info->
1923 uf_info.max_rx_buf_length +
1924 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
1925 DMA_FROM_DEVICE);
1926 dev_kfree_skb_any(
1927 ugeth->rx_skbuff[i][j]);
1928 ugeth->rx_skbuff[i][j] = NULL;
1929 }
1930 bd += sizeof(struct qe_bd);
1931 }
1932
1933 kfree(ugeth->rx_skbuff[i]);
1934
1935 if (ugeth->ug_info->uf_info.bd_mem_part ==
1936 MEM_PART_SYSTEM)
1937 kfree((void *)ugeth->rx_bd_ring_offset[i]);
1938 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1939 MEM_PART_MURAM)
1940 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
1941 ugeth->p_rx_bd_ring[i] = NULL;
1942 }
1943 }
1944 while (!list_empty(&ugeth->group_hash_q))
1945 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1946 (dequeue(&ugeth->group_hash_q)));
1947 while (!list_empty(&ugeth->ind_hash_q))
1948 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1949 (dequeue(&ugeth->ind_hash_q)));
1950 if (ugeth->ug_regs) {
1951 iounmap(ugeth->ug_regs);
1952 ugeth->ug_regs = NULL;
1953 }
1954 }
1955
1956 static void ucc_geth_set_multi(struct net_device *dev)
1957 {
1958 struct ucc_geth_private *ugeth;
1959 struct dev_mc_list *dmi;
1960 struct ucc_fast __iomem *uf_regs;
1961 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1962 int i;
1963
1964 ugeth = netdev_priv(dev);
1965
1966 uf_regs = ugeth->uccf->uf_regs;
1967
1968 if (dev->flags & IFF_PROMISC) {
1969 setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
1970 } else {
1971 clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
1972
1973 p_82xx_addr_filt =
1974 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
1975 p_rx_glbl_pram->addressfiltering;
1976
1977 if (dev->flags & IFF_ALLMULTI) {
1978 /* Catch all multicast addresses, so set the
1979 * filter to all 1's.
1980 */
1981 out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
1982 out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
1983 } else {
1984 /* Clear filter and add the addresses in the list.
1985 */
1986 out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
1987 out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
1988
1989 dmi = dev->mc_list;
1990
1991 for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
1992
1993 /* Only support group multicast for now.
1994 */
1995 if (!(dmi->dmi_addr[0] & 1))
1996 continue;
1997
1998 /* Ask CPM to run CRC and set bit in
1999 * filter mask.
2000 */
2001 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2002 }
2003 }
2004 }
2005 }
2006
2007 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2008 {
2009 struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2010 struct phy_device *phydev = ugeth->phydev;
2011
2012 ugeth_vdbg("%s: IN", __func__);
2013
2014 /* Disable the controller */
2015 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2016
2017 /* Tell the kernel the link is down */
2018 phy_stop(phydev);
2019
2020 /* Mask all interrupts */
2021 out_be32(ugeth->uccf->p_uccm, 0x00000000);
2022
2023 /* Clear all interrupts */
2024 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2025
2026 /* Disable Rx and Tx */
2027 clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2028
2029 ucc_geth_memclean(ugeth);
2030 }
2031
2032 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2033 {
2034 struct ucc_geth_info *ug_info;
2035 struct ucc_fast_info *uf_info;
2036 int i;
2037
2038 ug_info = ugeth->ug_info;
2039 uf_info = &ug_info->uf_info;
2040
2041 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2042 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2043 if (netif_msg_probe(ugeth))
2044 ugeth_err("%s: Bad memory partition value.",
2045 __func__);
2046 return -EINVAL;
2047 }
2048
2049 /* Rx BD lengths */
2050 for (i = 0; i < ug_info->numQueuesRx; i++) {
2051 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2052 (ug_info->bdRingLenRx[i] %
2053 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2054 if (netif_msg_probe(ugeth))
2055 ugeth_err
2056 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2057 __func__);
2058 return -EINVAL;
2059 }
2060 }
2061
2062 /* Tx BD lengths */
2063 for (i = 0; i < ug_info->numQueuesTx; i++) {
2064 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2065 if (netif_msg_probe(ugeth))
2066 ugeth_err
2067 ("%s: Tx BD ring length must be no smaller than 2.",
2068 __func__);
2069 return -EINVAL;
2070 }
2071 }
2072
2073 /* mrblr */
2074 if ((uf_info->max_rx_buf_length == 0) ||
2075 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2076 if (netif_msg_probe(ugeth))
2077 ugeth_err
2078 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2079 __func__);
2080 return -EINVAL;
2081 }
2082
2083 /* num Tx queues */
2084 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2085 if (netif_msg_probe(ugeth))
2086 ugeth_err("%s: number of tx queues too large.", __func__);
2087 return -EINVAL;
2088 }
2089
2090 /* num Rx queues */
2091 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2092 if (netif_msg_probe(ugeth))
2093 ugeth_err("%s: number of rx queues too large.", __func__);
2094 return -EINVAL;
2095 }
2096
2097 /* l2qt */
2098 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2099 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2100 if (netif_msg_probe(ugeth))
2101 ugeth_err
2102 ("%s: VLAN priority table entry must not be"
2103 " larger than number of Rx queues.",
2104 __func__);
2105 return -EINVAL;
2106 }
2107 }
2108
2109 /* l3qt */
2110 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2111 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2112 if (netif_msg_probe(ugeth))
2113 ugeth_err
2114 ("%s: IP priority table entry must not be"
2115 " larger than number of Rx queues.",
2116 __func__);
2117 return -EINVAL;
2118 }
2119 }
2120
2121 if (ug_info->cam && !ug_info->ecamptr) {
2122 if (netif_msg_probe(ugeth))
2123 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2124 __func__);
2125 return -EINVAL;
2126 }
2127
2128 if ((ug_info->numStationAddresses !=
2129 UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2130 && ug_info->rxExtendedFiltering) {
2131 if (netif_msg_probe(ugeth))
2132 ugeth_err("%s: Number of station addresses greater than 1 "
2133 "not allowed in extended parsing mode.",
2134 __func__);
2135 return -EINVAL;
2136 }
2137
2138 /* Generate uccm_mask for receive */
2139 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2140 for (i = 0; i < ug_info->numQueuesRx; i++)
2141 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
2142
2143 for (i = 0; i < ug_info->numQueuesTx; i++)
2144 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
2145 /* Initialize the general fast UCC block. */
2146 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2147 if (netif_msg_probe(ugeth))
2148 ugeth_err("%s: Failed to init uccf.", __func__);
2149 return -ENOMEM;
2150 }
2151
2152 ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2153 if (!ugeth->ug_regs) {
2154 if (netif_msg_probe(ugeth))
2155 ugeth_err("%s: Failed to ioremap regs.", __func__);
2156 return -ENOMEM;
2157 }
2158
2159 return 0;
2160 }
2161
2162 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2163 {
2164 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2165 struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2166 struct ucc_fast_private *uccf;
2167 struct ucc_geth_info *ug_info;
2168 struct ucc_fast_info *uf_info;
2169 struct ucc_fast __iomem *uf_regs;
2170 struct ucc_geth __iomem *ug_regs;
2171 int ret_val = -EINVAL;
2172 u32 remoder = UCC_GETH_REMODER_INIT;
2173 u32 init_enet_pram_offset, cecr_subblock, command;
2174 u32 ifstat, i, j, size, l2qt, l3qt, length;
2175 u16 temoder = UCC_GETH_TEMODER_INIT;
2176 u16 test;
2177 u8 function_code = 0;
2178 u8 __iomem *bd;
2179 u8 __iomem *endOfRing;
2180 u8 numThreadsRxNumerical, numThreadsTxNumerical;
2181
2182 ugeth_vdbg("%s: IN", __func__);
2183 uccf = ugeth->uccf;
2184 ug_info = ugeth->ug_info;
2185 uf_info = &ug_info->uf_info;
2186 uf_regs = uccf->uf_regs;
2187 ug_regs = ugeth->ug_regs;
2188
2189 switch (ug_info->numThreadsRx) {
2190 case UCC_GETH_NUM_OF_THREADS_1:
2191 numThreadsRxNumerical = 1;
2192 break;
2193 case UCC_GETH_NUM_OF_THREADS_2:
2194 numThreadsRxNumerical = 2;
2195 break;
2196 case UCC_GETH_NUM_OF_THREADS_4:
2197 numThreadsRxNumerical = 4;
2198 break;
2199 case UCC_GETH_NUM_OF_THREADS_6:
2200 numThreadsRxNumerical = 6;
2201 break;
2202 case UCC_GETH_NUM_OF_THREADS_8:
2203 numThreadsRxNumerical = 8;
2204 break;
2205 default:
2206 if (netif_msg_ifup(ugeth))
2207 ugeth_err("%s: Bad number of Rx threads value.",
2208 __func__);
2209 return -EINVAL;
2210 break;
2211 }
2212
2213 switch (ug_info->numThreadsTx) {
2214 case UCC_GETH_NUM_OF_THREADS_1:
2215 numThreadsTxNumerical = 1;
2216 break;
2217 case UCC_GETH_NUM_OF_THREADS_2:
2218 numThreadsTxNumerical = 2;
2219 break;
2220 case UCC_GETH_NUM_OF_THREADS_4:
2221 numThreadsTxNumerical = 4;
2222 break;
2223 case UCC_GETH_NUM_OF_THREADS_6:
2224 numThreadsTxNumerical = 6;
2225 break;
2226 case UCC_GETH_NUM_OF_THREADS_8:
2227 numThreadsTxNumerical = 8;
2228 break;
2229 default:
2230 if (netif_msg_ifup(ugeth))
2231 ugeth_err("%s: Bad number of Tx threads value.",
2232 __func__);
2233 return -EINVAL;
2234 break;
2235 }
2236
2237 /* Calculate rx_extended_features */
2238 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2239 ug_info->ipAddressAlignment ||
2240 (ug_info->numStationAddresses !=
2241 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2242
2243 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2244 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2245 || (ug_info->vlanOperationNonTagged !=
2246 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2247
2248 init_default_reg_vals(&uf_regs->upsmr,
2249 &ug_regs->maccfg1, &ug_regs->maccfg2);
2250
2251 /* Set UPSMR */
2252 /* For more details see the hardware spec. */
2253 init_rx_parameters(ug_info->bro,
2254 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2255
2256 /* We're going to ignore other registers for now, */
2257 /* except as needed to get up and running */
2258
2259 /* Set MACCFG1 */
2260 /* For more details see the hardware spec. */
2261 init_flow_control_params(ug_info->aufc,
2262 ug_info->receiveFlowControl,
2263 ug_info->transmitFlowControl,
2264 ug_info->pausePeriod,
2265 ug_info->extensionField,
2266 &uf_regs->upsmr,
2267 &ug_regs->uempr, &ug_regs->maccfg1);
2268
2269 setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2270
2271 /* Set IPGIFG */
2272 /* For more details see the hardware spec. */
2273 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2274 ug_info->nonBackToBackIfgPart2,
2275 ug_info->
2276 miminumInterFrameGapEnforcement,
2277 ug_info->backToBackInterFrameGap,
2278 &ug_regs->ipgifg);
2279 if (ret_val != 0) {
2280 if (netif_msg_ifup(ugeth))
2281 ugeth_err("%s: IPGIFG initialization parameter too large.",
2282 __func__);
2283 return ret_val;
2284 }
2285
2286 /* Set HAFDUP */
2287 /* For more details see the hardware spec. */
2288 ret_val = init_half_duplex_params(ug_info->altBeb,
2289 ug_info->backPressureNoBackoff,
2290 ug_info->noBackoff,
2291 ug_info->excessDefer,
2292 ug_info->altBebTruncation,
2293 ug_info->maxRetransmission,
2294 ug_info->collisionWindow,
2295 &ug_regs->hafdup);
2296 if (ret_val != 0) {
2297 if (netif_msg_ifup(ugeth))
2298 ugeth_err("%s: Half Duplex initialization parameter too large.",
2299 __func__);
2300 return ret_val;
2301 }
2302
2303 /* Set IFSTAT */
2304 /* For more details see the hardware spec. */
2305 /* Read only - resets upon read */
2306 ifstat = in_be32(&ug_regs->ifstat);
2307
2308 /* Clear UEMPR */
2309 /* For more details see the hardware spec. */
2310 out_be32(&ug_regs->uempr, 0);
2311
2312 /* Set UESCR */
2313 /* For more details see the hardware spec. */
2314 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2315 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2316 0, &uf_regs->upsmr, &ug_regs->uescr);
2317
2318 /* Allocate Tx bds */
2319 for (j = 0; j < ug_info->numQueuesTx; j++) {
2320 /* Allocate in multiple of
2321 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2322 according to spec */
2323 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2324 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2325 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2326 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2327 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2328 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2329 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2330 u32 align = 4;
2331 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2332 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2333 ugeth->tx_bd_ring_offset[j] =
2334 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2335
2336 if (ugeth->tx_bd_ring_offset[j] != 0)
2337 ugeth->p_tx_bd_ring[j] =
2338 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2339 align) & ~(align - 1));
2340 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2341 ugeth->tx_bd_ring_offset[j] =
2342 qe_muram_alloc(length,
2343 UCC_GETH_TX_BD_RING_ALIGNMENT);
2344 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2345 ugeth->p_tx_bd_ring[j] =
2346 (u8 __iomem *) qe_muram_addr(ugeth->
2347 tx_bd_ring_offset[j]);
2348 }
2349 if (!ugeth->p_tx_bd_ring[j]) {
2350 if (netif_msg_ifup(ugeth))
2351 ugeth_err
2352 ("%s: Can not allocate memory for Tx bd rings.",
2353 __func__);
2354 return -ENOMEM;
2355 }
2356 /* Zero unused end of bd ring, according to spec */
2357 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2358 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2359 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2360 }
2361
2362 /* Allocate Rx bds */
2363 for (j = 0; j < ug_info->numQueuesRx; j++) {
2364 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2365 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2366 u32 align = 4;
2367 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2368 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2369 ugeth->rx_bd_ring_offset[j] =
2370 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2371 if (ugeth->rx_bd_ring_offset[j] != 0)
2372 ugeth->p_rx_bd_ring[j] =
2373 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2374 align) & ~(align - 1));
2375 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2376 ugeth->rx_bd_ring_offset[j] =
2377 qe_muram_alloc(length,
2378 UCC_GETH_RX_BD_RING_ALIGNMENT);
2379 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2380 ugeth->p_rx_bd_ring[j] =
2381 (u8 __iomem *) qe_muram_addr(ugeth->
2382 rx_bd_ring_offset[j]);
2383 }
2384 if (!ugeth->p_rx_bd_ring[j]) {
2385 if (netif_msg_ifup(ugeth))
2386 ugeth_err
2387 ("%s: Can not allocate memory for Rx bd rings.",
2388 __func__);
2389 return -ENOMEM;
2390 }
2391 }
2392
2393 /* Init Tx bds */
2394 for (j = 0; j < ug_info->numQueuesTx; j++) {
2395 /* Setup the skbuff rings */
2396 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2397 ugeth->ug_info->bdRingLenTx[j],
2398 GFP_KERNEL);
2399
2400 if (ugeth->tx_skbuff[j] == NULL) {
2401 if (netif_msg_ifup(ugeth))
2402 ugeth_err("%s: Could not allocate tx_skbuff",
2403 __func__);
2404 return -ENOMEM;
2405 }
2406
2407 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2408 ugeth->tx_skbuff[j][i] = NULL;
2409
2410 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2411 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2412 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2413 /* clear bd buffer */
2414 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2415 /* set bd status and length */
2416 out_be32((u32 __iomem *)bd, 0);
2417 bd += sizeof(struct qe_bd);
2418 }
2419 bd -= sizeof(struct qe_bd);
2420 /* set bd status and length */
2421 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2422 }
2423
2424 /* Init Rx bds */
2425 for (j = 0; j < ug_info->numQueuesRx; j++) {
2426 /* Setup the skbuff rings */
2427 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2428 ugeth->ug_info->bdRingLenRx[j],
2429 GFP_KERNEL);
2430
2431 if (ugeth->rx_skbuff[j] == NULL) {
2432 if (netif_msg_ifup(ugeth))
2433 ugeth_err("%s: Could not allocate rx_skbuff",
2434 __func__);
2435 return -ENOMEM;
2436 }
2437
2438 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2439 ugeth->rx_skbuff[j][i] = NULL;
2440
2441 ugeth->skb_currx[j] = 0;
2442 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2443 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2444 /* set bd status and length */
2445 out_be32((u32 __iomem *)bd, R_I);
2446 /* clear bd buffer */
2447 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2448 bd += sizeof(struct qe_bd);
2449 }
2450 bd -= sizeof(struct qe_bd);
2451 /* set bd status and length */
2452 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2453 }
2454
2455 /*
2456 * Global PRAM
2457 */
2458 /* Tx global PRAM */
2459 /* Allocate global tx parameter RAM page */
2460 ugeth->tx_glbl_pram_offset =
2461 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2462 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2463 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2464 if (netif_msg_ifup(ugeth))
2465 ugeth_err
2466 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2467 __func__);
2468 return -ENOMEM;
2469 }
2470 ugeth->p_tx_glbl_pram =
2471 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2472 tx_glbl_pram_offset);
2473 /* Zero out p_tx_glbl_pram */
2474 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2475
2476 /* Fill global PRAM */
2477
2478 /* TQPTR */
2479 /* Size varies with number of Tx threads */
2480 ugeth->thread_dat_tx_offset =
2481 qe_muram_alloc(numThreadsTxNumerical *
2482 sizeof(struct ucc_geth_thread_data_tx) +
2483 32 * (numThreadsTxNumerical == 1),
2484 UCC_GETH_THREAD_DATA_ALIGNMENT);
2485 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2486 if (netif_msg_ifup(ugeth))
2487 ugeth_err
2488 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2489 __func__);
2490 return -ENOMEM;
2491 }
2492
2493 ugeth->p_thread_data_tx =
2494 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2495 thread_dat_tx_offset);
2496 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2497
2498 /* vtagtable */
2499 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2500 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2501 ug_info->vtagtable[i]);
2502
2503 /* iphoffset */
2504 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2505 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2506 ug_info->iphoffset[i]);
2507
2508 /* SQPTR */
2509 /* Size varies with number of Tx queues */
2510 ugeth->send_q_mem_reg_offset =
2511 qe_muram_alloc(ug_info->numQueuesTx *
2512 sizeof(struct ucc_geth_send_queue_qd),
2513 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2514 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2515 if (netif_msg_ifup(ugeth))
2516 ugeth_err
2517 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2518 __func__);
2519 return -ENOMEM;
2520 }
2521
2522 ugeth->p_send_q_mem_reg =
2523 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2524 send_q_mem_reg_offset);
2525 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2526
2527 /* Setup the table */
2528 /* Assume BD rings are already established */
2529 for (i = 0; i < ug_info->numQueuesTx; i++) {
2530 endOfRing =
2531 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2532 1) * sizeof(struct qe_bd);
2533 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2534 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2535 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2536 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2537 last_bd_completed_address,
2538 (u32) virt_to_phys(endOfRing));
2539 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2540 MEM_PART_MURAM) {
2541 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2542 (u32) immrbar_virt_to_phys(ugeth->
2543 p_tx_bd_ring[i]));
2544 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2545 last_bd_completed_address,
2546 (u32) immrbar_virt_to_phys(endOfRing));
2547 }
2548 }
2549
2550 /* schedulerbasepointer */
2551
2552 if (ug_info->numQueuesTx > 1) {
2553 /* scheduler exists only if more than 1 tx queue */
2554 ugeth->scheduler_offset =
2555 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2556 UCC_GETH_SCHEDULER_ALIGNMENT);
2557 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2558 if (netif_msg_ifup(ugeth))
2559 ugeth_err
2560 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2561 __func__);
2562 return -ENOMEM;
2563 }
2564
2565 ugeth->p_scheduler =
2566 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2567 scheduler_offset);
2568 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2569 ugeth->scheduler_offset);
2570 /* Zero out p_scheduler */
2571 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2572
2573 /* Set values in scheduler */
2574 out_be32(&ugeth->p_scheduler->mblinterval,
2575 ug_info->mblinterval);
2576 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2577 ug_info->nortsrbytetime);
2578 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2579 out_8(&ugeth->p_scheduler->strictpriorityq,
2580 ug_info->strictpriorityq);
2581 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2582 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2583 for (i = 0; i < NUM_TX_QUEUES; i++)
2584 out_8(&ugeth->p_scheduler->weightfactor[i],
2585 ug_info->weightfactor[i]);
2586
2587 /* Set pointers to cpucount registers in scheduler */
2588 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2589 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2590 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2591 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2592 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2593 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2594 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2595 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2596 }
2597
2598 /* schedulerbasepointer */
2599 /* TxRMON_PTR (statistics) */
2600 if (ug_info->
2601 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2602 ugeth->tx_fw_statistics_pram_offset =
2603 qe_muram_alloc(sizeof
2604 (struct ucc_geth_tx_firmware_statistics_pram),
2605 UCC_GETH_TX_STATISTICS_ALIGNMENT);
2606 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2607 if (netif_msg_ifup(ugeth))
2608 ugeth_err
2609 ("%s: Can not allocate DPRAM memory for"
2610 " p_tx_fw_statistics_pram.",
2611 __func__);
2612 return -ENOMEM;
2613 }
2614 ugeth->p_tx_fw_statistics_pram =
2615 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2616 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2617 /* Zero out p_tx_fw_statistics_pram */
2618 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2619 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2620 }
2621
2622 /* temoder */
2623 /* Already has speed set */
2624
2625 if (ug_info->numQueuesTx > 1)
2626 temoder |= TEMODER_SCHEDULER_ENABLE;
2627 if (ug_info->ipCheckSumGenerate)
2628 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2629 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2630 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2631
2632 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2633
2634 /* Function code register value to be used later */
2635 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2636 /* Required for QE */
2637
2638 /* function code register */
2639 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2640
2641 /* Rx global PRAM */
2642 /* Allocate global rx parameter RAM page */
2643 ugeth->rx_glbl_pram_offset =
2644 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2645 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2646 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2647 if (netif_msg_ifup(ugeth))
2648 ugeth_err
2649 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2650 __func__);
2651 return -ENOMEM;
2652 }
2653 ugeth->p_rx_glbl_pram =
2654 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2655 rx_glbl_pram_offset);
2656 /* Zero out p_rx_glbl_pram */
2657 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2658
2659 /* Fill global PRAM */
2660
2661 /* RQPTR */
2662 /* Size varies with number of Rx threads */
2663 ugeth->thread_dat_rx_offset =
2664 qe_muram_alloc(numThreadsRxNumerical *
2665 sizeof(struct ucc_geth_thread_data_rx),
2666 UCC_GETH_THREAD_DATA_ALIGNMENT);
2667 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2668 if (netif_msg_ifup(ugeth))
2669 ugeth_err
2670 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2671 __func__);
2672 return -ENOMEM;
2673 }
2674
2675 ugeth->p_thread_data_rx =
2676 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2677 thread_dat_rx_offset);
2678 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2679
2680 /* typeorlen */
2681 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2682
2683 /* rxrmonbaseptr (statistics) */
2684 if (ug_info->
2685 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2686 ugeth->rx_fw_statistics_pram_offset =
2687 qe_muram_alloc(sizeof
2688 (struct ucc_geth_rx_firmware_statistics_pram),
2689 UCC_GETH_RX_STATISTICS_ALIGNMENT);
2690 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2691 if (netif_msg_ifup(ugeth))
2692 ugeth_err
2693 ("%s: Can not allocate DPRAM memory for"
2694 " p_rx_fw_statistics_pram.", __func__);
2695 return -ENOMEM;
2696 }
2697 ugeth->p_rx_fw_statistics_pram =
2698 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2699 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2700 /* Zero out p_rx_fw_statistics_pram */
2701 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2702 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2703 }
2704
2705 /* intCoalescingPtr */
2706
2707 /* Size varies with number of Rx queues */
2708 ugeth->rx_irq_coalescing_tbl_offset =
2709 qe_muram_alloc(ug_info->numQueuesRx *
2710 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2711 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2712 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2713 if (netif_msg_ifup(ugeth))
2714 ugeth_err
2715 ("%s: Can not allocate DPRAM memory for"
2716 " p_rx_irq_coalescing_tbl.", __func__);
2717 return -ENOMEM;
2718 }
2719
2720 ugeth->p_rx_irq_coalescing_tbl =
2721 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2722 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2723 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2724 ugeth->rx_irq_coalescing_tbl_offset);
2725
2726 /* Fill interrupt coalescing table */
2727 for (i = 0; i < ug_info->numQueuesRx; i++) {
2728 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2729 interruptcoalescingmaxvalue,
2730 ug_info->interruptcoalescingmaxvalue[i]);
2731 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2732 interruptcoalescingcounter,
2733 ug_info->interruptcoalescingmaxvalue[i]);
2734 }
2735
2736 /* MRBLR */
2737 init_max_rx_buff_len(uf_info->max_rx_buf_length,
2738 &ugeth->p_rx_glbl_pram->mrblr);
2739 /* MFLR */
2740 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2741 /* MINFLR */
2742 init_min_frame_len(ug_info->minFrameLength,
2743 &ugeth->p_rx_glbl_pram->minflr,
2744 &ugeth->p_rx_glbl_pram->mrblr);
2745 /* MAXD1 */
2746 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2747 /* MAXD2 */
2748 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2749
2750 /* l2qt */
2751 l2qt = 0;
2752 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2753 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2754 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2755
2756 /* l3qt */
2757 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2758 l3qt = 0;
2759 for (i = 0; i < 8; i++)
2760 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
2761 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
2762 }
2763
2764 /* vlantype */
2765 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2766
2767 /* vlantci */
2768 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2769
2770 /* ecamptr */
2771 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2772
2773 /* RBDQPTR */
2774 /* Size varies with number of Rx queues */
2775 ugeth->rx_bd_qs_tbl_offset =
2776 qe_muram_alloc(ug_info->numQueuesRx *
2777 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2778 sizeof(struct ucc_geth_rx_prefetched_bds)),
2779 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
2780 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
2781 if (netif_msg_ifup(ugeth))
2782 ugeth_err
2783 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
2784 __func__);
2785 return -ENOMEM;
2786 }
2787
2788 ugeth->p_rx_bd_qs_tbl =
2789 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
2790 rx_bd_qs_tbl_offset);
2791 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2792 /* Zero out p_rx_bd_qs_tbl */
2793 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
2794 0,
2795 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2796 sizeof(struct ucc_geth_rx_prefetched_bds)));
2797
2798 /* Setup the table */
2799 /* Assume BD rings are already established */
2800 for (i = 0; i < ug_info->numQueuesRx; i++) {
2801 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2802 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2803 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2804 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2805 MEM_PART_MURAM) {
2806 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2807 (u32) immrbar_virt_to_phys(ugeth->
2808 p_rx_bd_ring[i]));
2809 }
2810 /* rest of fields handled by QE */
2811 }
2812
2813 /* remoder */
2814 /* Already has speed set */
2815
2816 if (ugeth->rx_extended_features)
2817 remoder |= REMODER_RX_EXTENDED_FEATURES;
2818 if (ug_info->rxExtendedFiltering)
2819 remoder |= REMODER_RX_EXTENDED_FILTERING;
2820 if (ug_info->dynamicMaxFrameLength)
2821 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2822 if (ug_info->dynamicMinFrameLength)
2823 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2824 remoder |=
2825 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2826 remoder |=
2827 ug_info->
2828 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2829 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2830 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2831 if (ug_info->ipCheckSumCheck)
2832 remoder |= REMODER_IP_CHECKSUM_CHECK;
2833 if (ug_info->ipAddressAlignment)
2834 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2835 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2836
2837 /* Note that this function must be called */
2838 /* ONLY AFTER p_tx_fw_statistics_pram */
2839 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2840 init_firmware_statistics_gathering_mode((ug_info->
2841 statisticsMode &
2842 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2843 (ug_info->statisticsMode &
2844 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2845 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2846 ugeth->tx_fw_statistics_pram_offset,
2847 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2848 ugeth->rx_fw_statistics_pram_offset,
2849 &ugeth->p_tx_glbl_pram->temoder,
2850 &ugeth->p_rx_glbl_pram->remoder);
2851
2852 /* function code register */
2853 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
2854
2855 /* initialize extended filtering */
2856 if (ug_info->rxExtendedFiltering) {
2857 if (!ug_info->extendedFilteringChainPointer) {
2858 if (netif_msg_ifup(ugeth))
2859 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
2860 __func__);
2861 return -EINVAL;
2862 }
2863
2864 /* Allocate memory for extended filtering Mode Global
2865 Parameters */
2866 ugeth->exf_glbl_param_offset =
2867 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
2868 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
2869 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
2870 if (netif_msg_ifup(ugeth))
2871 ugeth_err
2872 ("%s: Can not allocate DPRAM memory for"
2873 " p_exf_glbl_param.", __func__);
2874 return -ENOMEM;
2875 }
2876
2877 ugeth->p_exf_glbl_param =
2878 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
2879 exf_glbl_param_offset);
2880 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2881 ugeth->exf_glbl_param_offset);
2882 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2883 (u32) ug_info->extendedFilteringChainPointer);
2884
2885 } else { /* initialize 82xx style address filtering */
2886
2887 /* Init individual address recognition registers to disabled */
2888
2889 for (j = 0; j < NUM_OF_PADDRS; j++)
2890 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2891
2892 p_82xx_addr_filt =
2893 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2894 p_rx_glbl_pram->addressfiltering;
2895
2896 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2897 ENET_ADDR_TYPE_GROUP);
2898 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2899 ENET_ADDR_TYPE_INDIVIDUAL);
2900 }
2901
2902 /*
2903 * Initialize UCC at QE level
2904 */
2905
2906 command = QE_INIT_TX_RX;
2907
2908 /* Allocate shadow InitEnet command parameter structure.
2909 * This is needed because after the InitEnet command is executed,
2910 * the structure in DPRAM is released, because DPRAM is a premium
2911 * resource.
2912 * This shadow structure keeps a copy of what was done so that the
2913 * allocated resources can be released when the channel is freed.
2914 */
2915 if (!(ugeth->p_init_enet_param_shadow =
2916 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
2917 if (netif_msg_ifup(ugeth))
2918 ugeth_err
2919 ("%s: Can not allocate memory for"
2920 " p_UccInitEnetParamShadows.", __func__);
2921 return -ENOMEM;
2922 }
2923 /* Zero out *p_init_enet_param_shadow */
2924 memset((char *)ugeth->p_init_enet_param_shadow,
2925 0, sizeof(struct ucc_geth_init_pram));
2926
2927 /* Fill shadow InitEnet command parameter structure */
2928
2929 ugeth->p_init_enet_param_shadow->resinit1 =
2930 ENET_INIT_PARAM_MAGIC_RES_INIT1;
2931 ugeth->p_init_enet_param_shadow->resinit2 =
2932 ENET_INIT_PARAM_MAGIC_RES_INIT2;
2933 ugeth->p_init_enet_param_shadow->resinit3 =
2934 ENET_INIT_PARAM_MAGIC_RES_INIT3;
2935 ugeth->p_init_enet_param_shadow->resinit4 =
2936 ENET_INIT_PARAM_MAGIC_RES_INIT4;
2937 ugeth->p_init_enet_param_shadow->resinit5 =
2938 ENET_INIT_PARAM_MAGIC_RES_INIT5;
2939 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2940 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2941 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2942 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2943
2944 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2945 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
2946 if ((ug_info->largestexternallookupkeysize !=
2947 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
2948 && (ug_info->largestexternallookupkeysize !=
2949 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
2950 && (ug_info->largestexternallookupkeysize !=
2951 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
2952 if (netif_msg_ifup(ugeth))
2953 ugeth_err("%s: Invalid largest External Lookup Key Size.",
2954 __func__);
2955 return -EINVAL;
2956 }
2957 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
2958 ug_info->largestexternallookupkeysize;
2959 size = sizeof(struct ucc_geth_thread_rx_pram);
2960 if (ug_info->rxExtendedFiltering) {
2961 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
2962 if (ug_info->largestexternallookupkeysize ==
2963 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
2964 size +=
2965 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
2966 if (ug_info->largestexternallookupkeysize ==
2967 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
2968 size +=
2969 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
2970 }
2971
2972 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
2973 p_init_enet_param_shadow->rxthread[0]),
2974 (u8) (numThreadsRxNumerical + 1)
2975 /* Rx needs one extra for terminator */
2976 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
2977 ug_info->riscRx, 1)) != 0) {
2978 if (netif_msg_ifup(ugeth))
2979 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
2980 __func__);
2981 return ret_val;
2982 }
2983
2984 ugeth->p_init_enet_param_shadow->txglobal =
2985 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
2986 if ((ret_val =
2987 fill_init_enet_entries(ugeth,
2988 &(ugeth->p_init_enet_param_shadow->
2989 txthread[0]), numThreadsTxNumerical,
2990 sizeof(struct ucc_geth_thread_tx_pram),
2991 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
2992 ug_info->riscTx, 0)) != 0) {
2993 if (netif_msg_ifup(ugeth))
2994 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
2995 __func__);
2996 return ret_val;
2997 }
2998
2999 /* Load Rx bds with buffers */
3000 for (i = 0; i < ug_info->numQueuesRx; i++) {
3001 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3002 if (netif_msg_ifup(ugeth))
3003 ugeth_err("%s: Can not fill Rx bds with buffers.",
3004 __func__);
3005 return ret_val;
3006 }
3007 }
3008
3009 /* Allocate InitEnet command parameter structure */
3010 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3011 if (IS_ERR_VALUE(init_enet_pram_offset)) {
3012 if (netif_msg_ifup(ugeth))
3013 ugeth_err
3014 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3015 __func__);
3016 return -ENOMEM;
3017 }
3018 p_init_enet_pram =
3019 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3020
3021 /* Copy shadow InitEnet command parameter structure into PRAM */
3022 out_8(&p_init_enet_pram->resinit1,
3023 ugeth->p_init_enet_param_shadow->resinit1);
3024 out_8(&p_init_enet_pram->resinit2,
3025 ugeth->p_init_enet_param_shadow->resinit2);
3026 out_8(&p_init_enet_pram->resinit3,
3027 ugeth->p_init_enet_param_shadow->resinit3);
3028 out_8(&p_init_enet_pram->resinit4,
3029 ugeth->p_init_enet_param_shadow->resinit4);
3030 out_be16(&p_init_enet_pram->resinit5,
3031 ugeth->p_init_enet_param_shadow->resinit5);
3032 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3033 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3034 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3035 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3036 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3037 out_be32(&p_init_enet_pram->rxthread[i],
3038 ugeth->p_init_enet_param_shadow->rxthread[i]);
3039 out_be32(&p_init_enet_pram->txglobal,
3040 ugeth->p_init_enet_param_shadow->txglobal);
3041 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3042 out_be32(&p_init_enet_pram->txthread[i],
3043 ugeth->p_init_enet_param_shadow->txthread[i]);
3044
3045 /* Issue QE command */
3046 cecr_subblock =
3047 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3048 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3049 init_enet_pram_offset);
3050
3051 /* Free InitEnet command parameter */
3052 qe_muram_free(init_enet_pram_offset);
3053
3054 return 0;
3055 }
3056
3057 /* This is called by the kernel when a frame is ready for transmission. */
3058 /* It is pointed to by the dev->hard_start_xmit function pointer */
3059 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3060 {
3061 struct ucc_geth_private *ugeth = netdev_priv(dev);
3062 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3063 struct ucc_fast_private *uccf;
3064 #endif
3065 u8 __iomem *bd; /* BD pointer */
3066 u32 bd_status;
3067 u8 txQ = 0;
3068
3069 ugeth_vdbg("%s: IN", __func__);
3070
3071 spin_lock_irq(&ugeth->lock);
3072
3073 dev->stats.tx_bytes += skb->len;
3074
3075 /* Start from the next BD that should be filled */
3076 bd = ugeth->txBd[txQ];
3077 bd_status = in_be32((u32 __iomem *)bd);
3078 /* Save the skb pointer so we can free it later */
3079 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3080
3081 /* Update the current skb pointer (wrapping if this was the last) */
3082 ugeth->skb_curtx[txQ] =
3083 (ugeth->skb_curtx[txQ] +
3084 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3085
3086 /* set up the buffer descriptor */
3087 out_be32(&((struct qe_bd __iomem *)bd)->buf,
3088 dma_map_single(&ugeth->dev->dev, skb->data,
3089 skb->len, DMA_TO_DEVICE));
3090
3091 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3092
3093 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3094
3095 /* set bd status and length */
3096 out_be32((u32 __iomem *)bd, bd_status);
3097
3098 dev->trans_start = jiffies;
3099
3100 /* Move to next BD in the ring */
3101 if (!(bd_status & T_W))
3102 bd += sizeof(struct qe_bd);
3103 else
3104 bd = ugeth->p_tx_bd_ring[txQ];
3105
3106 /* If the next BD still needs to be cleaned up, then the bds
3107 are full. We need to tell the kernel to stop sending us stuff. */
3108 if (bd == ugeth->confBd[txQ]) {
3109 if (!netif_queue_stopped(dev))
3110 netif_stop_queue(dev);
3111 }
3112
3113 ugeth->txBd[txQ] = bd;
3114
3115 if (ugeth->p_scheduler) {
3116 ugeth->cpucount[txQ]++;
3117 /* Indicate to QE that there are more Tx bds ready for
3118 transmission */
3119 /* This is done by writing a running counter of the bd
3120 count to the scheduler PRAM. */
3121 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3122 }
3123
3124 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3125 uccf = ugeth->uccf;
3126 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3127 #endif
3128 spin_unlock_irq(&ugeth->lock);
3129
3130 return 0;
3131 }
3132
3133 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3134 {
3135 struct sk_buff *skb;
3136 u8 __iomem *bd;
3137 u16 length, howmany = 0;
3138 u32 bd_status;
3139 u8 *bdBuffer;
3140 struct net_device *dev;
3141
3142 ugeth_vdbg("%s: IN", __func__);
3143
3144 dev = ugeth->dev;
3145
3146 /* collect received buffers */
3147 bd = ugeth->rxBd[rxQ];
3148
3149 bd_status = in_be32((u32 __iomem *)bd);
3150
3151 /* while there are received buffers and BD is full (~R_E) */
3152 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3153 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3154 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3155 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3156
3157 /* determine whether buffer is first, last, first and last
3158 (single buffer frame) or middle (not first and not last) */
3159 if (!skb ||
3160 (!(bd_status & (R_F | R_L))) ||
3161 (bd_status & R_ERRORS_FATAL)) {
3162 if (netif_msg_rx_err(ugeth))
3163 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3164 __func__, __LINE__, (u32) skb);
3165 if (skb)
3166 dev_kfree_skb_any(skb);
3167
3168 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3169 dev->stats.rx_dropped++;
3170 } else {
3171 dev->stats.rx_packets++;
3172 howmany++;
3173
3174 /* Prep the skb for the packet */
3175 skb_put(skb, length);
3176
3177 /* Tell the skb what kind of packet this is */
3178 skb->protocol = eth_type_trans(skb, ugeth->dev);
3179
3180 dev->stats.rx_bytes += length;
3181 /* Send the packet up the stack */
3182 netif_receive_skb(skb);
3183 }
3184
3185 skb = get_new_skb(ugeth, bd);
3186 if (!skb) {
3187 if (netif_msg_rx_err(ugeth))
3188 ugeth_warn("%s: No Rx Data Buffer", __func__);
3189 dev->stats.rx_dropped++;
3190 break;
3191 }
3192
3193 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3194
3195 /* update to point at the next skb */
3196 ugeth->skb_currx[rxQ] =
3197 (ugeth->skb_currx[rxQ] +
3198 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3199
3200 if (bd_status & R_W)
3201 bd = ugeth->p_rx_bd_ring[rxQ];
3202 else
3203 bd += sizeof(struct qe_bd);
3204
3205 bd_status = in_be32((u32 __iomem *)bd);
3206 }
3207
3208 ugeth->rxBd[rxQ] = bd;
3209 return howmany;
3210 }
3211
3212 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3213 {
3214 /* Start from the next BD that should be filled */
3215 struct ucc_geth_private *ugeth = netdev_priv(dev);
3216 u8 __iomem *bd; /* BD pointer */
3217 u32 bd_status;
3218
3219 bd = ugeth->confBd[txQ];
3220 bd_status = in_be32((u32 __iomem *)bd);
3221
3222 /* Normal processing. */
3223 while ((bd_status & T_R) == 0) {
3224 /* BD contains already transmitted buffer. */
3225 /* Handle the transmitted buffer and release */
3226 /* the BD to be used with the current frame */
3227
3228 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3229 break;
3230
3231 dev->stats.tx_packets++;
3232
3233 /* Free the sk buffer associated with this TxBD */
3234 dev_kfree_skb_irq(ugeth->
3235 tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3236 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3237 ugeth->skb_dirtytx[txQ] =
3238 (ugeth->skb_dirtytx[txQ] +
3239 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3240
3241 /* We freed a buffer, so now we can restart transmission */
3242 if (netif_queue_stopped(dev))
3243 netif_wake_queue(dev);
3244
3245 /* Advance the confirmation BD pointer */
3246 if (!(bd_status & T_W))
3247 bd += sizeof(struct qe_bd);
3248 else
3249 bd = ugeth->p_tx_bd_ring[txQ];
3250 bd_status = in_be32((u32 __iomem *)bd);
3251 }
3252 ugeth->confBd[txQ] = bd;
3253 return 0;
3254 }
3255
3256 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3257 {
3258 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3259 struct ucc_geth_info *ug_info;
3260 int howmany, i;
3261
3262 ug_info = ugeth->ug_info;
3263
3264 howmany = 0;
3265 for (i = 0; i < ug_info->numQueuesRx; i++)
3266 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3267
3268 if (howmany < budget) {
3269 netif_rx_complete(napi);
3270 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS);
3271 }
3272
3273 return howmany;
3274 }
3275
3276 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3277 {
3278 struct net_device *dev = info;
3279 struct ucc_geth_private *ugeth = netdev_priv(dev);
3280 struct ucc_fast_private *uccf;
3281 struct ucc_geth_info *ug_info;
3282 register u32 ucce;
3283 register u32 uccm;
3284 register u32 tx_mask;
3285 u8 i;
3286
3287 ugeth_vdbg("%s: IN", __func__);
3288
3289 uccf = ugeth->uccf;
3290 ug_info = ugeth->ug_info;
3291
3292 /* read and clear events */
3293 ucce = (u32) in_be32(uccf->p_ucce);
3294 uccm = (u32) in_be32(uccf->p_uccm);
3295 ucce &= uccm;
3296 out_be32(uccf->p_ucce, ucce);
3297
3298 /* check for receive events that require processing */
3299 if (ucce & UCCE_RX_EVENTS) {
3300 if (netif_rx_schedule_prep(&ugeth->napi)) {
3301 uccm &= ~UCCE_RX_EVENTS;
3302 out_be32(uccf->p_uccm, uccm);
3303 __netif_rx_schedule(&ugeth->napi);
3304 }
3305 }
3306
3307 /* Tx event processing */
3308 if (ucce & UCCE_TX_EVENTS) {
3309 spin_lock(&ugeth->lock);
3310 tx_mask = UCC_GETH_UCCE_TXB0;
3311 for (i = 0; i < ug_info->numQueuesTx; i++) {
3312 if (ucce & tx_mask)
3313 ucc_geth_tx(dev, i);
3314 ucce &= ~tx_mask;
3315 tx_mask <<= 1;
3316 }
3317 spin_unlock(&ugeth->lock);
3318 }
3319
3320 /* Errors and other events */
3321 if (ucce & UCCE_OTHER) {
3322 if (ucce & UCC_GETH_UCCE_BSY)
3323 dev->stats.rx_errors++;
3324 if (ucce & UCC_GETH_UCCE_TXE)
3325 dev->stats.tx_errors++;
3326 }
3327
3328 return IRQ_HANDLED;
3329 }
3330
3331 #ifdef CONFIG_NET_POLL_CONTROLLER
3332 /*
3333 * Polling 'interrupt' - used by things like netconsole to send skbs
3334 * without having to re-enable interrupts. It's not called while
3335 * the interrupt routine is executing.
3336 */
3337 static void ucc_netpoll(struct net_device *dev)
3338 {
3339 struct ucc_geth_private *ugeth = netdev_priv(dev);
3340 int irq = ugeth->ug_info->uf_info.irq;
3341
3342 disable_irq(irq);
3343 ucc_geth_irq_handler(irq, dev);
3344 enable_irq(irq);
3345 }
3346 #endif /* CONFIG_NET_POLL_CONTROLLER */
3347
3348 /* Called when something needs to use the ethernet device */
3349 /* Returns 0 for success. */
3350 static int ucc_geth_open(struct net_device *dev)
3351 {
3352 struct ucc_geth_private *ugeth = netdev_priv(dev);
3353 int err;
3354
3355 ugeth_vdbg("%s: IN", __func__);
3356
3357 /* Test station address */
3358 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3359 if (netif_msg_ifup(ugeth))
3360 ugeth_err("%s: Multicast address used for station address"
3361 " - is this what you wanted?", __func__);
3362 return -EINVAL;
3363 }
3364
3365 err = ucc_struct_init(ugeth);
3366 if (err) {
3367 if (netif_msg_ifup(ugeth))
3368 ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3369 goto out_err_stop;
3370 }
3371
3372 napi_enable(&ugeth->napi);
3373
3374 err = ucc_geth_startup(ugeth);
3375 if (err) {
3376 if (netif_msg_ifup(ugeth))
3377 ugeth_err("%s: Cannot configure net device, aborting.",
3378 dev->name);
3379 goto out_err;
3380 }
3381
3382 err = adjust_enet_interface(ugeth);
3383 if (err) {
3384 if (netif_msg_ifup(ugeth))
3385 ugeth_err("%s: Cannot configure net device, aborting.",
3386 dev->name);
3387 goto out_err;
3388 }
3389
3390 /* Set MACSTNADDR1, MACSTNADDR2 */
3391 /* For more details see the hardware spec. */
3392 init_mac_station_addr_regs(dev->dev_addr[0],
3393 dev->dev_addr[1],
3394 dev->dev_addr[2],
3395 dev->dev_addr[3],
3396 dev->dev_addr[4],
3397 dev->dev_addr[5],
3398 &ugeth->ug_regs->macstnaddr1,
3399 &ugeth->ug_regs->macstnaddr2);
3400
3401 err = init_phy(dev);
3402 if (err) {
3403 if (netif_msg_ifup(ugeth))
3404 ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3405 goto out_err;
3406 }
3407
3408 phy_start(ugeth->phydev);
3409
3410 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3411 if (err) {
3412 if (netif_msg_ifup(ugeth))
3413 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3414 goto out_err;
3415 }
3416
3417 err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3418 0, "UCC Geth", dev);
3419 if (err) {
3420 if (netif_msg_ifup(ugeth))
3421 ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3422 dev->name);
3423 goto out_err;
3424 }
3425
3426 netif_start_queue(dev);
3427
3428 return err;
3429
3430 out_err:
3431 napi_disable(&ugeth->napi);
3432 out_err_stop:
3433 ucc_geth_stop(ugeth);
3434 return err;
3435 }
3436
3437 /* Stops the kernel queue, and halts the controller */
3438 static int ucc_geth_close(struct net_device *dev)
3439 {
3440 struct ucc_geth_private *ugeth = netdev_priv(dev);
3441
3442 ugeth_vdbg("%s: IN", __func__);
3443
3444 napi_disable(&ugeth->napi);
3445
3446 ucc_geth_stop(ugeth);
3447
3448 free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
3449
3450 phy_disconnect(ugeth->phydev);
3451 ugeth->phydev = NULL;
3452
3453 netif_stop_queue(dev);
3454
3455 return 0;
3456 }
3457
3458 /* Reopen device. This will reset the MAC and PHY. */
3459 static void ucc_geth_timeout_work(struct work_struct *work)
3460 {
3461 struct ucc_geth_private *ugeth;
3462 struct net_device *dev;
3463
3464 ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3465 dev = ugeth->dev;
3466
3467 ugeth_vdbg("%s: IN", __func__);
3468
3469 dev->stats.tx_errors++;
3470
3471 ugeth_dump_regs(ugeth);
3472
3473 if (dev->flags & IFF_UP) {
3474 /*
3475 * Must reset MAC *and* PHY. This is done by reopening
3476 * the device.
3477 */
3478 ucc_geth_close(dev);
3479 ucc_geth_open(dev);
3480 }
3481
3482 netif_tx_schedule_all(dev);
3483 }
3484
3485 /*
3486 * ucc_geth_timeout gets called when a packet has not been
3487 * transmitted after a set amount of time.
3488 */
3489 static void ucc_geth_timeout(struct net_device *dev)
3490 {
3491 struct ucc_geth_private *ugeth = netdev_priv(dev);
3492
3493 netif_carrier_off(dev);
3494 schedule_work(&ugeth->timeout_work);
3495 }
3496
3497 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3498 {
3499 if (strcasecmp(phy_connection_type, "mii") == 0)
3500 return PHY_INTERFACE_MODE_MII;
3501 if (strcasecmp(phy_connection_type, "gmii") == 0)
3502 return PHY_INTERFACE_MODE_GMII;
3503 if (strcasecmp(phy_connection_type, "tbi") == 0)
3504 return PHY_INTERFACE_MODE_TBI;
3505 if (strcasecmp(phy_connection_type, "rmii") == 0)
3506 return PHY_INTERFACE_MODE_RMII;
3507 if (strcasecmp(phy_connection_type, "rgmii") == 0)
3508 return PHY_INTERFACE_MODE_RGMII;
3509 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3510 return PHY_INTERFACE_MODE_RGMII_ID;
3511 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3512 return PHY_INTERFACE_MODE_RGMII_TXID;
3513 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3514 return PHY_INTERFACE_MODE_RGMII_RXID;
3515 if (strcasecmp(phy_connection_type, "rtbi") == 0)
3516 return PHY_INTERFACE_MODE_RTBI;
3517
3518 return PHY_INTERFACE_MODE_MII;
3519 }
3520
3521 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3522 {
3523 struct device *device = &ofdev->dev;
3524 struct device_node *np = ofdev->node;
3525 struct device_node *mdio;
3526 struct net_device *dev = NULL;
3527 struct ucc_geth_private *ugeth = NULL;
3528 struct ucc_geth_info *ug_info;
3529 struct resource res;
3530 struct device_node *phy;
3531 int err, ucc_num, max_speed = 0;
3532 const phandle *ph;
3533 const u32 *fixed_link;
3534 const unsigned int *prop;
3535 const char *sprop;
3536 const void *mac_addr;
3537 phy_interface_t phy_interface;
3538 static const int enet_to_speed[] = {
3539 SPEED_10, SPEED_10, SPEED_10,
3540 SPEED_100, SPEED_100, SPEED_100,
3541 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3542 };
3543 static const phy_interface_t enet_to_phy_interface[] = {
3544 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3545 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3546 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3547 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3548 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3549 };
3550
3551 ugeth_vdbg("%s: IN", __func__);
3552
3553 prop = of_get_property(np, "cell-index", NULL);
3554 if (!prop) {
3555 prop = of_get_property(np, "device-id", NULL);
3556 if (!prop)
3557 return -ENODEV;
3558 }
3559
3560 ucc_num = *prop - 1;
3561 if ((ucc_num < 0) || (ucc_num > 7))
3562 return -ENODEV;
3563
3564 ug_info = &ugeth_info[ucc_num];
3565 if (ug_info == NULL) {
3566 if (netif_msg_probe(&debug))
3567 ugeth_err("%s: [%d] Missing additional data!",
3568 __func__, ucc_num);
3569 return -ENODEV;
3570 }
3571
3572 ug_info->uf_info.ucc_num = ucc_num;
3573
3574 sprop = of_get_property(np, "rx-clock-name", NULL);
3575 if (sprop) {
3576 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3577 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3578 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3579 printk(KERN_ERR
3580 "ucc_geth: invalid rx-clock-name property\n");
3581 return -EINVAL;
3582 }
3583 } else {
3584 prop = of_get_property(np, "rx-clock", NULL);
3585 if (!prop) {
3586 /* If both rx-clock-name and rx-clock are missing,
3587 we want to tell people to use rx-clock-name. */
3588 printk(KERN_ERR
3589 "ucc_geth: missing rx-clock-name property\n");
3590 return -EINVAL;
3591 }
3592 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3593 printk(KERN_ERR
3594 "ucc_geth: invalid rx-clock propperty\n");
3595 return -EINVAL;
3596 }
3597 ug_info->uf_info.rx_clock = *prop;
3598 }
3599
3600 sprop = of_get_property(np, "tx-clock-name", NULL);
3601 if (sprop) {
3602 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3603 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3604 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3605 printk(KERN_ERR
3606 "ucc_geth: invalid tx-clock-name property\n");
3607 return -EINVAL;
3608 }
3609 } else {
3610 prop = of_get_property(np, "tx-clock", NULL);
3611 if (!prop) {
3612 printk(KERN_ERR
3613 "ucc_geth: mising tx-clock-name property\n");
3614 return -EINVAL;
3615 }
3616 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3617 printk(KERN_ERR
3618 "ucc_geth: invalid tx-clock property\n");
3619 return -EINVAL;
3620 }
3621 ug_info->uf_info.tx_clock = *prop;
3622 }
3623
3624 err = of_address_to_resource(np, 0, &res);
3625 if (err)
3626 return -EINVAL;
3627
3628 ug_info->uf_info.regs = res.start;
3629 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3630 fixed_link = of_get_property(np, "fixed-link", NULL);
3631 if (fixed_link) {
3632 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3633 ug_info->phy_address = fixed_link[0];
3634 phy = NULL;
3635 } else {
3636 ph = of_get_property(np, "phy-handle", NULL);
3637 phy = of_find_node_by_phandle(*ph);
3638
3639 if (phy == NULL)
3640 return -ENODEV;
3641
3642 /* set the PHY address */
3643 prop = of_get_property(phy, "reg", NULL);
3644 if (prop == NULL)
3645 return -1;
3646 ug_info->phy_address = *prop;
3647
3648 /* Set the bus id */
3649 mdio = of_get_parent(phy);
3650
3651 if (mdio == NULL)
3652 return -1;
3653
3654 err = of_address_to_resource(mdio, 0, &res);
3655 of_node_put(mdio);
3656
3657 if (err)
3658 return -1;
3659
3660 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3661 }
3662
3663 /* get the phy interface type, or default to MII */
3664 prop = of_get_property(np, "phy-connection-type", NULL);
3665 if (!prop) {
3666 /* handle interface property present in old trees */
3667 prop = of_get_property(phy, "interface", NULL);
3668 if (prop != NULL) {
3669 phy_interface = enet_to_phy_interface[*prop];
3670 max_speed = enet_to_speed[*prop];
3671 } else
3672 phy_interface = PHY_INTERFACE_MODE_MII;
3673 } else {
3674 phy_interface = to_phy_interface((const char *)prop);
3675 }
3676
3677 /* get speed, or derive from PHY interface */
3678 if (max_speed == 0)
3679 switch (phy_interface) {
3680 case PHY_INTERFACE_MODE_GMII:
3681 case PHY_INTERFACE_MODE_RGMII:
3682 case PHY_INTERFACE_MODE_RGMII_ID:
3683 case PHY_INTERFACE_MODE_RGMII_RXID:
3684 case PHY_INTERFACE_MODE_RGMII_TXID:
3685 case PHY_INTERFACE_MODE_TBI:
3686 case PHY_INTERFACE_MODE_RTBI:
3687 max_speed = SPEED_1000;
3688 break;
3689 default:
3690 max_speed = SPEED_100;
3691 break;
3692 }
3693
3694 if (max_speed == SPEED_1000) {
3695 /* configure muram FIFOs for gigabit operation */
3696 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3697 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3698 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3699 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3700 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3701 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3702 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3703 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3704 }
3705
3706 if (netif_msg_probe(&debug))
3707 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3708 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3709 ug_info->uf_info.irq);
3710
3711 /* Create an ethernet device instance */
3712 dev = alloc_etherdev(sizeof(*ugeth));
3713
3714 if (dev == NULL)
3715 return -ENOMEM;
3716
3717 ugeth = netdev_priv(dev);
3718 spin_lock_init(&ugeth->lock);
3719
3720 /* Create CQs for hash tables */
3721 INIT_LIST_HEAD(&ugeth->group_hash_q);
3722 INIT_LIST_HEAD(&ugeth->ind_hash_q);
3723
3724 dev_set_drvdata(device, dev);
3725
3726 /* Set the dev->base_addr to the gfar reg region */
3727 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3728
3729 SET_NETDEV_DEV(dev, device);
3730
3731 /* Fill in the dev structure */
3732 uec_set_ethtool_ops(dev);
3733 dev->open = ucc_geth_open;
3734 dev->hard_start_xmit = ucc_geth_start_xmit;
3735 dev->tx_timeout = ucc_geth_timeout;
3736 dev->watchdog_timeo = TX_TIMEOUT;
3737 INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
3738 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
3739 #ifdef CONFIG_NET_POLL_CONTROLLER
3740 dev->poll_controller = ucc_netpoll;
3741 #endif
3742 dev->stop = ucc_geth_close;
3743 // dev->change_mtu = ucc_geth_change_mtu;
3744 dev->mtu = 1500;
3745 dev->set_multicast_list = ucc_geth_set_multi;
3746
3747 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3748 ugeth->phy_interface = phy_interface;
3749 ugeth->max_speed = max_speed;
3750
3751 err = register_netdev(dev);
3752 if (err) {
3753 if (netif_msg_probe(ugeth))
3754 ugeth_err("%s: Cannot register net device, aborting.",
3755 dev->name);
3756 free_netdev(dev);
3757 return err;
3758 }
3759
3760 mac_addr = of_get_mac_address(np);
3761 if (mac_addr)
3762 memcpy(dev->dev_addr, mac_addr, 6);
3763
3764 ugeth->ug_info = ug_info;
3765 ugeth->dev = dev;
3766 ugeth->node = np;
3767
3768 return 0;
3769 }
3770
3771 static int ucc_geth_remove(struct of_device* ofdev)
3772 {
3773 struct device *device = &ofdev->dev;
3774 struct net_device *dev = dev_get_drvdata(device);
3775 struct ucc_geth_private *ugeth = netdev_priv(dev);
3776
3777 unregister_netdev(dev);
3778 free_netdev(dev);
3779 ucc_geth_memclean(ugeth);
3780 dev_set_drvdata(device, NULL);
3781
3782 return 0;
3783 }
3784
3785 static struct of_device_id ucc_geth_match[] = {
3786 {
3787 .type = "network",
3788 .compatible = "ucc_geth",
3789 },
3790 {},
3791 };
3792
3793 MODULE_DEVICE_TABLE(of, ucc_geth_match);
3794
3795 static struct of_platform_driver ucc_geth_driver = {
3796 .name = DRV_NAME,
3797 .match_table = ucc_geth_match,
3798 .probe = ucc_geth_probe,
3799 .remove = ucc_geth_remove,
3800 };
3801
3802 static int __init ucc_geth_init(void)
3803 {
3804 int i, ret;
3805
3806 ret = uec_mdio_init();
3807
3808 if (ret)
3809 return ret;
3810
3811 if (netif_msg_drv(&debug))
3812 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
3813 for (i = 0; i < 8; i++)
3814 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
3815 sizeof(ugeth_primary_info));
3816
3817 ret = of_register_platform_driver(&ucc_geth_driver);
3818
3819 if (ret)
3820 uec_mdio_exit();
3821
3822 return ret;
3823 }
3824
3825 static void __exit ucc_geth_exit(void)
3826 {
3827 of_unregister_platform_driver(&ucc_geth_driver);
3828 uec_mdio_exit();
3829 }
3830
3831 module_init(ucc_geth_init);
3832 module_exit(ucc_geth_exit);
3833
3834 MODULE_AUTHOR("Freescale Semiconductor, Inc");
3835 MODULE_DESCRIPTION(DRV_DESC);
3836 MODULE_VERSION(DRV_VERSION);
3837 MODULE_LICENSE("GPL");
Support for the Chinese Samsung S3C2440 based development boards