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Merge branch 'stable/xen.pm.bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/linux.git] / drivers / net / ucc_geth.c
1 /*
2 * Copyright (C) 2006-2009 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/mii.h>
28 #include <linux/phy.h>
29 #include <linux/workqueue.h>
30 #include <linux/of_mdio.h>
31 #include <linux/of_net.h>
32 #include <linux/of_platform.h>
33
34 #include <asm/uaccess.h>
35 #include <asm/irq.h>
36 #include <asm/io.h>
37 #include <asm/immap_qe.h>
38 #include <asm/qe.h>
39 #include <asm/ucc.h>
40 #include <asm/ucc_fast.h>
41 #include <asm/machdep.h>
42
43 #include "ucc_geth.h"
44 #include "fsl_pq_mdio.h"
45
46 #undef DEBUG
47
48 #define ugeth_printk(level, format, arg...) \
49 printk(level format "\n", ## arg)
50
51 #define ugeth_dbg(format, arg...) \
52 ugeth_printk(KERN_DEBUG , format , ## arg)
53 #define ugeth_err(format, arg...) \
54 ugeth_printk(KERN_ERR , format , ## arg)
55 #define ugeth_info(format, arg...) \
56 ugeth_printk(KERN_INFO , format , ## arg)
57 #define ugeth_warn(format, arg...) \
58 ugeth_printk(KERN_WARNING , format , ## arg)
59
60 #ifdef UGETH_VERBOSE_DEBUG
61 #define ugeth_vdbg ugeth_dbg
62 #else
63 #define ugeth_vdbg(fmt, args...) do { } while (0)
64 #endif /* UGETH_VERBOSE_DEBUG */
65 #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1
66
67
68 static DEFINE_SPINLOCK(ugeth_lock);
69
70 static struct {
71 u32 msg_enable;
72 } debug = { -1 };
73
74 module_param_named(debug, debug.msg_enable, int, 0);
75 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
76
77 static struct ucc_geth_info ugeth_primary_info = {
78 .uf_info = {
79 .bd_mem_part = MEM_PART_SYSTEM,
80 .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
81 .max_rx_buf_length = 1536,
82 /* adjusted at startup if max-speed 1000 */
83 .urfs = UCC_GETH_URFS_INIT,
84 .urfet = UCC_GETH_URFET_INIT,
85 .urfset = UCC_GETH_URFSET_INIT,
86 .utfs = UCC_GETH_UTFS_INIT,
87 .utfet = UCC_GETH_UTFET_INIT,
88 .utftt = UCC_GETH_UTFTT_INIT,
89 .ufpt = 256,
90 .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
91 .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
92 .tenc = UCC_FAST_TX_ENCODING_NRZ,
93 .renc = UCC_FAST_RX_ENCODING_NRZ,
94 .tcrc = UCC_FAST_16_BIT_CRC,
95 .synl = UCC_FAST_SYNC_LEN_NOT_USED,
96 },
97 .numQueuesTx = 1,
98 .numQueuesRx = 1,
99 .extendedFilteringChainPointer = ((uint32_t) NULL),
100 .typeorlen = 3072 /*1536 */ ,
101 .nonBackToBackIfgPart1 = 0x40,
102 .nonBackToBackIfgPart2 = 0x60,
103 .miminumInterFrameGapEnforcement = 0x50,
104 .backToBackInterFrameGap = 0x60,
105 .mblinterval = 128,
106 .nortsrbytetime = 5,
107 .fracsiz = 1,
108 .strictpriorityq = 0xff,
109 .altBebTruncation = 0xa,
110 .excessDefer = 1,
111 .maxRetransmission = 0xf,
112 .collisionWindow = 0x37,
113 .receiveFlowControl = 1,
114 .transmitFlowControl = 1,
115 .maxGroupAddrInHash = 4,
116 .maxIndAddrInHash = 4,
117 .prel = 7,
118 .maxFrameLength = 1518,
119 .minFrameLength = 64,
120 .maxD1Length = 1520,
121 .maxD2Length = 1520,
122 .vlantype = 0x8100,
123 .ecamptr = ((uint32_t) NULL),
124 .eventRegMask = UCCE_OTHER,
125 .pausePeriod = 0xf000,
126 .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
127 .bdRingLenTx = {
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 TX_BD_RING_LEN,
135 TX_BD_RING_LEN},
136
137 .bdRingLenRx = {
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 RX_BD_RING_LEN,
145 RX_BD_RING_LEN},
146
147 .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
148 .largestexternallookupkeysize =
149 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
150 .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
151 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
152 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
153 .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
154 .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
155 .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
156 .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
157 .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
158 .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
159 .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
160 .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
161 .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
162 };
163
164 static struct ucc_geth_info ugeth_info[8];
165
166 #ifdef DEBUG
167 static void mem_disp(u8 *addr, int size)
168 {
169 u8 *i;
170 int size16Aling = (size >> 4) << 4;
171 int size4Aling = (size >> 2) << 2;
172 int notAlign = 0;
173 if (size % 16)
174 notAlign = 1;
175
176 for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
177 printk("0x%08x: %08x %08x %08x %08x\r\n",
178 (u32) i,
179 *((u32 *) (i)),
180 *((u32 *) (i + 4)),
181 *((u32 *) (i + 8)), *((u32 *) (i + 12)));
182 if (notAlign == 1)
183 printk("0x%08x: ", (u32) i);
184 for (; (u32) i < (u32) addr + size4Aling; i += 4)
185 printk("%08x ", *((u32 *) (i)));
186 for (; (u32) i < (u32) addr + size; i++)
187 printk("%02x", *((u8 *) (i)));
188 if (notAlign == 1)
189 printk("\r\n");
190 }
191 #endif /* DEBUG */
192
193 static struct list_head *dequeue(struct list_head *lh)
194 {
195 unsigned long flags;
196
197 spin_lock_irqsave(&ugeth_lock, flags);
198 if (!list_empty(lh)) {
199 struct list_head *node = lh->next;
200 list_del(node);
201 spin_unlock_irqrestore(&ugeth_lock, flags);
202 return node;
203 } else {
204 spin_unlock_irqrestore(&ugeth_lock, flags);
205 return NULL;
206 }
207 }
208
209 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
210 u8 __iomem *bd)
211 {
212 struct sk_buff *skb = NULL;
213
214 skb = __skb_dequeue(&ugeth->rx_recycle);
215 if (!skb)
216 skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
217 UCC_GETH_RX_DATA_BUF_ALIGNMENT);
218 if (skb == NULL)
219 return NULL;
220
221 /* We need the data buffer to be aligned properly. We will reserve
222 * as many bytes as needed to align the data properly
223 */
224 skb_reserve(skb,
225 UCC_GETH_RX_DATA_BUF_ALIGNMENT -
226 (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
227 1)));
228
229 skb->dev = ugeth->ndev;
230
231 out_be32(&((struct qe_bd __iomem *)bd)->buf,
232 dma_map_single(ugeth->dev,
233 skb->data,
234 ugeth->ug_info->uf_info.max_rx_buf_length +
235 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
236 DMA_FROM_DEVICE));
237
238 out_be32((u32 __iomem *)bd,
239 (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
240
241 return skb;
242 }
243
244 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
245 {
246 u8 __iomem *bd;
247 u32 bd_status;
248 struct sk_buff *skb;
249 int i;
250
251 bd = ugeth->p_rx_bd_ring[rxQ];
252 i = 0;
253
254 do {
255 bd_status = in_be32((u32 __iomem *)bd);
256 skb = get_new_skb(ugeth, bd);
257
258 if (!skb) /* If can not allocate data buffer,
259 abort. Cleanup will be elsewhere */
260 return -ENOMEM;
261
262 ugeth->rx_skbuff[rxQ][i] = skb;
263
264 /* advance the BD pointer */
265 bd += sizeof(struct qe_bd);
266 i++;
267 } while (!(bd_status & R_W));
268
269 return 0;
270 }
271
272 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
273 u32 *p_start,
274 u8 num_entries,
275 u32 thread_size,
276 u32 thread_alignment,
277 unsigned int risc,
278 int skip_page_for_first_entry)
279 {
280 u32 init_enet_offset;
281 u8 i;
282 int snum;
283
284 for (i = 0; i < num_entries; i++) {
285 if ((snum = qe_get_snum()) < 0) {
286 if (netif_msg_ifup(ugeth))
287 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
288 return snum;
289 }
290 if ((i == 0) && skip_page_for_first_entry)
291 /* First entry of Rx does not have page */
292 init_enet_offset = 0;
293 else {
294 init_enet_offset =
295 qe_muram_alloc(thread_size, thread_alignment);
296 if (IS_ERR_VALUE(init_enet_offset)) {
297 if (netif_msg_ifup(ugeth))
298 ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
299 qe_put_snum((u8) snum);
300 return -ENOMEM;
301 }
302 }
303 *(p_start++) =
304 ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
305 | risc;
306 }
307
308 return 0;
309 }
310
311 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
312 u32 *p_start,
313 u8 num_entries,
314 unsigned int risc,
315 int skip_page_for_first_entry)
316 {
317 u32 init_enet_offset;
318 u8 i;
319 int snum;
320
321 for (i = 0; i < num_entries; i++) {
322 u32 val = *p_start;
323
324 /* Check that this entry was actually valid --
325 needed in case failed in allocations */
326 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
327 snum =
328 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
329 ENET_INIT_PARAM_SNUM_SHIFT;
330 qe_put_snum((u8) snum);
331 if (!((i == 0) && skip_page_for_first_entry)) {
332 /* First entry of Rx does not have page */
333 init_enet_offset =
334 (val & ENET_INIT_PARAM_PTR_MASK);
335 qe_muram_free(init_enet_offset);
336 }
337 *p_start++ = 0;
338 }
339 }
340
341 return 0;
342 }
343
344 #ifdef DEBUG
345 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
346 u32 __iomem *p_start,
347 u8 num_entries,
348 u32 thread_size,
349 unsigned int risc,
350 int skip_page_for_first_entry)
351 {
352 u32 init_enet_offset;
353 u8 i;
354 int snum;
355
356 for (i = 0; i < num_entries; i++) {
357 u32 val = in_be32(p_start);
358
359 /* Check that this entry was actually valid --
360 needed in case failed in allocations */
361 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
362 snum =
363 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
364 ENET_INIT_PARAM_SNUM_SHIFT;
365 qe_put_snum((u8) snum);
366 if (!((i == 0) && skip_page_for_first_entry)) {
367 /* First entry of Rx does not have page */
368 init_enet_offset =
369 (in_be32(p_start) &
370 ENET_INIT_PARAM_PTR_MASK);
371 ugeth_info("Init enet entry %d:", i);
372 ugeth_info("Base address: 0x%08x",
373 (u32)
374 qe_muram_addr(init_enet_offset));
375 mem_disp(qe_muram_addr(init_enet_offset),
376 thread_size);
377 }
378 p_start++;
379 }
380 }
381
382 return 0;
383 }
384 #endif
385
386 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
387 {
388 kfree(enet_addr_cont);
389 }
390
391 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
392 {
393 out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
394 out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
395 out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
396 }
397
398 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
399 {
400 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
401
402 if (!(paddr_num < NUM_OF_PADDRS)) {
403 ugeth_warn("%s: Illagel paddr_num.", __func__);
404 return -EINVAL;
405 }
406
407 p_82xx_addr_filt =
408 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
409 addressfiltering;
410
411 /* Writing address ff.ff.ff.ff.ff.ff disables address
412 recognition for this register */
413 out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
414 out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
415 out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
416
417 return 0;
418 }
419
420 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
421 u8 *p_enet_addr)
422 {
423 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
424 u32 cecr_subblock;
425
426 p_82xx_addr_filt =
427 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
428 addressfiltering;
429
430 cecr_subblock =
431 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
432
433 /* Ethernet frames are defined in Little Endian mode,
434 therefore to insert */
435 /* the address to the hash (Big Endian mode), we reverse the bytes.*/
436
437 set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
438
439 qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
440 QE_CR_PROTOCOL_ETHERNET, 0);
441 }
442
443 static inline int compare_addr(u8 **addr1, u8 **addr2)
444 {
445 return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
446 }
447
448 #ifdef DEBUG
449 static void get_statistics(struct ucc_geth_private *ugeth,
450 struct ucc_geth_tx_firmware_statistics *
451 tx_firmware_statistics,
452 struct ucc_geth_rx_firmware_statistics *
453 rx_firmware_statistics,
454 struct ucc_geth_hardware_statistics *hardware_statistics)
455 {
456 struct ucc_fast __iomem *uf_regs;
457 struct ucc_geth __iomem *ug_regs;
458 struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
459 struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
460
461 ug_regs = ugeth->ug_regs;
462 uf_regs = (struct ucc_fast __iomem *) ug_regs;
463 p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
464 p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
465
466 /* Tx firmware only if user handed pointer and driver actually
467 gathers Tx firmware statistics */
468 if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
469 tx_firmware_statistics->sicoltx =
470 in_be32(&p_tx_fw_statistics_pram->sicoltx);
471 tx_firmware_statistics->mulcoltx =
472 in_be32(&p_tx_fw_statistics_pram->mulcoltx);
473 tx_firmware_statistics->latecoltxfr =
474 in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
475 tx_firmware_statistics->frabortduecol =
476 in_be32(&p_tx_fw_statistics_pram->frabortduecol);
477 tx_firmware_statistics->frlostinmactxer =
478 in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
479 tx_firmware_statistics->carriersenseertx =
480 in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
481 tx_firmware_statistics->frtxok =
482 in_be32(&p_tx_fw_statistics_pram->frtxok);
483 tx_firmware_statistics->txfrexcessivedefer =
484 in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
485 tx_firmware_statistics->txpkts256 =
486 in_be32(&p_tx_fw_statistics_pram->txpkts256);
487 tx_firmware_statistics->txpkts512 =
488 in_be32(&p_tx_fw_statistics_pram->txpkts512);
489 tx_firmware_statistics->txpkts1024 =
490 in_be32(&p_tx_fw_statistics_pram->txpkts1024);
491 tx_firmware_statistics->txpktsjumbo =
492 in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
493 }
494
495 /* Rx firmware only if user handed pointer and driver actually
496 * gathers Rx firmware statistics */
497 if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
498 int i;
499 rx_firmware_statistics->frrxfcser =
500 in_be32(&p_rx_fw_statistics_pram->frrxfcser);
501 rx_firmware_statistics->fraligner =
502 in_be32(&p_rx_fw_statistics_pram->fraligner);
503 rx_firmware_statistics->inrangelenrxer =
504 in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
505 rx_firmware_statistics->outrangelenrxer =
506 in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
507 rx_firmware_statistics->frtoolong =
508 in_be32(&p_rx_fw_statistics_pram->frtoolong);
509 rx_firmware_statistics->runt =
510 in_be32(&p_rx_fw_statistics_pram->runt);
511 rx_firmware_statistics->verylongevent =
512 in_be32(&p_rx_fw_statistics_pram->verylongevent);
513 rx_firmware_statistics->symbolerror =
514 in_be32(&p_rx_fw_statistics_pram->symbolerror);
515 rx_firmware_statistics->dropbsy =
516 in_be32(&p_rx_fw_statistics_pram->dropbsy);
517 for (i = 0; i < 0x8; i++)
518 rx_firmware_statistics->res0[i] =
519 p_rx_fw_statistics_pram->res0[i];
520 rx_firmware_statistics->mismatchdrop =
521 in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
522 rx_firmware_statistics->underpkts =
523 in_be32(&p_rx_fw_statistics_pram->underpkts);
524 rx_firmware_statistics->pkts256 =
525 in_be32(&p_rx_fw_statistics_pram->pkts256);
526 rx_firmware_statistics->pkts512 =
527 in_be32(&p_rx_fw_statistics_pram->pkts512);
528 rx_firmware_statistics->pkts1024 =
529 in_be32(&p_rx_fw_statistics_pram->pkts1024);
530 rx_firmware_statistics->pktsjumbo =
531 in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
532 rx_firmware_statistics->frlossinmacer =
533 in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
534 rx_firmware_statistics->pausefr =
535 in_be32(&p_rx_fw_statistics_pram->pausefr);
536 for (i = 0; i < 0x4; i++)
537 rx_firmware_statistics->res1[i] =
538 p_rx_fw_statistics_pram->res1[i];
539 rx_firmware_statistics->removevlan =
540 in_be32(&p_rx_fw_statistics_pram->removevlan);
541 rx_firmware_statistics->replacevlan =
542 in_be32(&p_rx_fw_statistics_pram->replacevlan);
543 rx_firmware_statistics->insertvlan =
544 in_be32(&p_rx_fw_statistics_pram->insertvlan);
545 }
546
547 /* Hardware only if user handed pointer and driver actually
548 gathers hardware statistics */
549 if (hardware_statistics &&
550 (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) {
551 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
552 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
553 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
554 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
555 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
556 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
557 hardware_statistics->txok = in_be32(&ug_regs->txok);
558 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
559 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
560 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
561 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
562 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
563 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
564 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
565 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
566 }
567 }
568
569 static void dump_bds(struct ucc_geth_private *ugeth)
570 {
571 int i;
572 int length;
573
574 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
575 if (ugeth->p_tx_bd_ring[i]) {
576 length =
577 (ugeth->ug_info->bdRingLenTx[i] *
578 sizeof(struct qe_bd));
579 ugeth_info("TX BDs[%d]", i);
580 mem_disp(ugeth->p_tx_bd_ring[i], length);
581 }
582 }
583 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
584 if (ugeth->p_rx_bd_ring[i]) {
585 length =
586 (ugeth->ug_info->bdRingLenRx[i] *
587 sizeof(struct qe_bd));
588 ugeth_info("RX BDs[%d]", i);
589 mem_disp(ugeth->p_rx_bd_ring[i], length);
590 }
591 }
592 }
593
594 static void dump_regs(struct ucc_geth_private *ugeth)
595 {
596 int i;
597
598 ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num + 1);
599 ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
600
601 ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x",
602 (u32) & ugeth->ug_regs->maccfg1,
603 in_be32(&ugeth->ug_regs->maccfg1));
604 ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x",
605 (u32) & ugeth->ug_regs->maccfg2,
606 in_be32(&ugeth->ug_regs->maccfg2));
607 ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x",
608 (u32) & ugeth->ug_regs->ipgifg,
609 in_be32(&ugeth->ug_regs->ipgifg));
610 ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x",
611 (u32) & ugeth->ug_regs->hafdup,
612 in_be32(&ugeth->ug_regs->hafdup));
613 ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x",
614 (u32) & ugeth->ug_regs->ifctl,
615 in_be32(&ugeth->ug_regs->ifctl));
616 ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x",
617 (u32) & ugeth->ug_regs->ifstat,
618 in_be32(&ugeth->ug_regs->ifstat));
619 ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
620 (u32) & ugeth->ug_regs->macstnaddr1,
621 in_be32(&ugeth->ug_regs->macstnaddr1));
622 ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
623 (u32) & ugeth->ug_regs->macstnaddr2,
624 in_be32(&ugeth->ug_regs->macstnaddr2));
625 ugeth_info("uempr : addr - 0x%08x, val - 0x%08x",
626 (u32) & ugeth->ug_regs->uempr,
627 in_be32(&ugeth->ug_regs->uempr));
628 ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x",
629 (u32) & ugeth->ug_regs->utbipar,
630 in_be32(&ugeth->ug_regs->utbipar));
631 ugeth_info("uescr : addr - 0x%08x, val - 0x%04x",
632 (u32) & ugeth->ug_regs->uescr,
633 in_be16(&ugeth->ug_regs->uescr));
634 ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x",
635 (u32) & ugeth->ug_regs->tx64,
636 in_be32(&ugeth->ug_regs->tx64));
637 ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x",
638 (u32) & ugeth->ug_regs->tx127,
639 in_be32(&ugeth->ug_regs->tx127));
640 ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x",
641 (u32) & ugeth->ug_regs->tx255,
642 in_be32(&ugeth->ug_regs->tx255));
643 ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x",
644 (u32) & ugeth->ug_regs->rx64,
645 in_be32(&ugeth->ug_regs->rx64));
646 ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x",
647 (u32) & ugeth->ug_regs->rx127,
648 in_be32(&ugeth->ug_regs->rx127));
649 ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x",
650 (u32) & ugeth->ug_regs->rx255,
651 in_be32(&ugeth->ug_regs->rx255));
652 ugeth_info("txok : addr - 0x%08x, val - 0x%08x",
653 (u32) & ugeth->ug_regs->txok,
654 in_be32(&ugeth->ug_regs->txok));
655 ugeth_info("txcf : addr - 0x%08x, val - 0x%04x",
656 (u32) & ugeth->ug_regs->txcf,
657 in_be16(&ugeth->ug_regs->txcf));
658 ugeth_info("tmca : addr - 0x%08x, val - 0x%08x",
659 (u32) & ugeth->ug_regs->tmca,
660 in_be32(&ugeth->ug_regs->tmca));
661 ugeth_info("tbca : addr - 0x%08x, val - 0x%08x",
662 (u32) & ugeth->ug_regs->tbca,
663 in_be32(&ugeth->ug_regs->tbca));
664 ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x",
665 (u32) & ugeth->ug_regs->rxfok,
666 in_be32(&ugeth->ug_regs->rxfok));
667 ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x",
668 (u32) & ugeth->ug_regs->rxbok,
669 in_be32(&ugeth->ug_regs->rxbok));
670 ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x",
671 (u32) & ugeth->ug_regs->rbyt,
672 in_be32(&ugeth->ug_regs->rbyt));
673 ugeth_info("rmca : addr - 0x%08x, val - 0x%08x",
674 (u32) & ugeth->ug_regs->rmca,
675 in_be32(&ugeth->ug_regs->rmca));
676 ugeth_info("rbca : addr - 0x%08x, val - 0x%08x",
677 (u32) & ugeth->ug_regs->rbca,
678 in_be32(&ugeth->ug_regs->rbca));
679 ugeth_info("scar : addr - 0x%08x, val - 0x%08x",
680 (u32) & ugeth->ug_regs->scar,
681 in_be32(&ugeth->ug_regs->scar));
682 ugeth_info("scam : addr - 0x%08x, val - 0x%08x",
683 (u32) & ugeth->ug_regs->scam,
684 in_be32(&ugeth->ug_regs->scam));
685
686 if (ugeth->p_thread_data_tx) {
687 int numThreadsTxNumerical;
688 switch (ugeth->ug_info->numThreadsTx) {
689 case UCC_GETH_NUM_OF_THREADS_1:
690 numThreadsTxNumerical = 1;
691 break;
692 case UCC_GETH_NUM_OF_THREADS_2:
693 numThreadsTxNumerical = 2;
694 break;
695 case UCC_GETH_NUM_OF_THREADS_4:
696 numThreadsTxNumerical = 4;
697 break;
698 case UCC_GETH_NUM_OF_THREADS_6:
699 numThreadsTxNumerical = 6;
700 break;
701 case UCC_GETH_NUM_OF_THREADS_8:
702 numThreadsTxNumerical = 8;
703 break;
704 default:
705 numThreadsTxNumerical = 0;
706 break;
707 }
708
709 ugeth_info("Thread data TXs:");
710 ugeth_info("Base address: 0x%08x",
711 (u32) ugeth->p_thread_data_tx);
712 for (i = 0; i < numThreadsTxNumerical; i++) {
713 ugeth_info("Thread data TX[%d]:", i);
714 ugeth_info("Base address: 0x%08x",
715 (u32) & ugeth->p_thread_data_tx[i]);
716 mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
717 sizeof(struct ucc_geth_thread_data_tx));
718 }
719 }
720 if (ugeth->p_thread_data_rx) {
721 int numThreadsRxNumerical;
722 switch (ugeth->ug_info->numThreadsRx) {
723 case UCC_GETH_NUM_OF_THREADS_1:
724 numThreadsRxNumerical = 1;
725 break;
726 case UCC_GETH_NUM_OF_THREADS_2:
727 numThreadsRxNumerical = 2;
728 break;
729 case UCC_GETH_NUM_OF_THREADS_4:
730 numThreadsRxNumerical = 4;
731 break;
732 case UCC_GETH_NUM_OF_THREADS_6:
733 numThreadsRxNumerical = 6;
734 break;
735 case UCC_GETH_NUM_OF_THREADS_8:
736 numThreadsRxNumerical = 8;
737 break;
738 default:
739 numThreadsRxNumerical = 0;
740 break;
741 }
742
743 ugeth_info("Thread data RX:");
744 ugeth_info("Base address: 0x%08x",
745 (u32) ugeth->p_thread_data_rx);
746 for (i = 0; i < numThreadsRxNumerical; i++) {
747 ugeth_info("Thread data RX[%d]:", i);
748 ugeth_info("Base address: 0x%08x",
749 (u32) & ugeth->p_thread_data_rx[i]);
750 mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
751 sizeof(struct ucc_geth_thread_data_rx));
752 }
753 }
754 if (ugeth->p_exf_glbl_param) {
755 ugeth_info("EXF global param:");
756 ugeth_info("Base address: 0x%08x",
757 (u32) ugeth->p_exf_glbl_param);
758 mem_disp((u8 *) ugeth->p_exf_glbl_param,
759 sizeof(*ugeth->p_exf_glbl_param));
760 }
761 if (ugeth->p_tx_glbl_pram) {
762 ugeth_info("TX global param:");
763 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
764 ugeth_info("temoder : addr - 0x%08x, val - 0x%04x",
765 (u32) & ugeth->p_tx_glbl_pram->temoder,
766 in_be16(&ugeth->p_tx_glbl_pram->temoder));
767 ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x",
768 (u32) & ugeth->p_tx_glbl_pram->sqptr,
769 in_be32(&ugeth->p_tx_glbl_pram->sqptr));
770 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
771 (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
772 in_be32(&ugeth->p_tx_glbl_pram->
773 schedulerbasepointer));
774 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
775 (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
776 in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
777 ugeth_info("tstate : addr - 0x%08x, val - 0x%08x",
778 (u32) & ugeth->p_tx_glbl_pram->tstate,
779 in_be32(&ugeth->p_tx_glbl_pram->tstate));
780 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
781 (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
782 ugeth->p_tx_glbl_pram->iphoffset[0]);
783 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
784 (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
785 ugeth->p_tx_glbl_pram->iphoffset[1]);
786 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
787 (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
788 ugeth->p_tx_glbl_pram->iphoffset[2]);
789 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
790 (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
791 ugeth->p_tx_glbl_pram->iphoffset[3]);
792 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
793 (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
794 ugeth->p_tx_glbl_pram->iphoffset[4]);
795 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
796 (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
797 ugeth->p_tx_glbl_pram->iphoffset[5]);
798 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
799 (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
800 ugeth->p_tx_glbl_pram->iphoffset[6]);
801 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
802 (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
803 ugeth->p_tx_glbl_pram->iphoffset[7]);
804 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
805 (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
806 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
807 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
808 (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
809 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
810 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
811 (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
812 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
813 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
814 (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
815 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
816 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
817 (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
818 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
819 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
820 (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
821 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
822 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
823 (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
824 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
825 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
826 (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
827 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
828 ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x",
829 (u32) & ugeth->p_tx_glbl_pram->tqptr,
830 in_be32(&ugeth->p_tx_glbl_pram->tqptr));
831 }
832 if (ugeth->p_rx_glbl_pram) {
833 ugeth_info("RX global param:");
834 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
835 ugeth_info("remoder : addr - 0x%08x, val - 0x%08x",
836 (u32) & ugeth->p_rx_glbl_pram->remoder,
837 in_be32(&ugeth->p_rx_glbl_pram->remoder));
838 ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x",
839 (u32) & ugeth->p_rx_glbl_pram->rqptr,
840 in_be32(&ugeth->p_rx_glbl_pram->rqptr));
841 ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x",
842 (u32) & ugeth->p_rx_glbl_pram->typeorlen,
843 in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
844 ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x",
845 (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
846 ugeth->p_rx_glbl_pram->rxgstpack);
847 ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x",
848 (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
849 in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
850 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
851 (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
852 in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
853 ugeth_info("rstate : addr - 0x%08x, val - 0x%02x",
854 (u32) & ugeth->p_rx_glbl_pram->rstate,
855 ugeth->p_rx_glbl_pram->rstate);
856 ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x",
857 (u32) & ugeth->p_rx_glbl_pram->mrblr,
858 in_be16(&ugeth->p_rx_glbl_pram->mrblr));
859 ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x",
860 (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
861 in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
862 ugeth_info("mflr : addr - 0x%08x, val - 0x%04x",
863 (u32) & ugeth->p_rx_glbl_pram->mflr,
864 in_be16(&ugeth->p_rx_glbl_pram->mflr));
865 ugeth_info("minflr : addr - 0x%08x, val - 0x%04x",
866 (u32) & ugeth->p_rx_glbl_pram->minflr,
867 in_be16(&ugeth->p_rx_glbl_pram->minflr));
868 ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x",
869 (u32) & ugeth->p_rx_glbl_pram->maxd1,
870 in_be16(&ugeth->p_rx_glbl_pram->maxd1));
871 ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x",
872 (u32) & ugeth->p_rx_glbl_pram->maxd2,
873 in_be16(&ugeth->p_rx_glbl_pram->maxd2));
874 ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x",
875 (u32) & ugeth->p_rx_glbl_pram->ecamptr,
876 in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
877 ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x",
878 (u32) & ugeth->p_rx_glbl_pram->l2qt,
879 in_be32(&ugeth->p_rx_glbl_pram->l2qt));
880 ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x",
881 (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
882 in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
883 ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x",
884 (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
885 in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
886 ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x",
887 (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
888 in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
889 ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x",
890 (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
891 in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
892 ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x",
893 (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
894 in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
895 ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x",
896 (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
897 in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
898 ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x",
899 (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
900 in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
901 ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x",
902 (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
903 in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
904 ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x",
905 (u32) & ugeth->p_rx_glbl_pram->vlantype,
906 in_be16(&ugeth->p_rx_glbl_pram->vlantype));
907 ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x",
908 (u32) & ugeth->p_rx_glbl_pram->vlantci,
909 in_be16(&ugeth->p_rx_glbl_pram->vlantci));
910 for (i = 0; i < 64; i++)
911 ugeth_info
912 ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
913 i,
914 (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
915 ugeth->p_rx_glbl_pram->addressfiltering[i]);
916 ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x",
917 (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
918 in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
919 }
920 if (ugeth->p_send_q_mem_reg) {
921 ugeth_info("Send Q memory registers:");
922 ugeth_info("Base address: 0x%08x",
923 (u32) ugeth->p_send_q_mem_reg);
924 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
925 ugeth_info("SQQD[%d]:", i);
926 ugeth_info("Base address: 0x%08x",
927 (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
928 mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
929 sizeof(struct ucc_geth_send_queue_qd));
930 }
931 }
932 if (ugeth->p_scheduler) {
933 ugeth_info("Scheduler:");
934 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
935 mem_disp((u8 *) ugeth->p_scheduler,
936 sizeof(*ugeth->p_scheduler));
937 }
938 if (ugeth->p_tx_fw_statistics_pram) {
939 ugeth_info("TX FW statistics pram:");
940 ugeth_info("Base address: 0x%08x",
941 (u32) ugeth->p_tx_fw_statistics_pram);
942 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
943 sizeof(*ugeth->p_tx_fw_statistics_pram));
944 }
945 if (ugeth->p_rx_fw_statistics_pram) {
946 ugeth_info("RX FW statistics pram:");
947 ugeth_info("Base address: 0x%08x",
948 (u32) ugeth->p_rx_fw_statistics_pram);
949 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
950 sizeof(*ugeth->p_rx_fw_statistics_pram));
951 }
952 if (ugeth->p_rx_irq_coalescing_tbl) {
953 ugeth_info("RX IRQ coalescing tables:");
954 ugeth_info("Base address: 0x%08x",
955 (u32) ugeth->p_rx_irq_coalescing_tbl);
956 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
957 ugeth_info("RX IRQ coalescing table entry[%d]:", i);
958 ugeth_info("Base address: 0x%08x",
959 (u32) & ugeth->p_rx_irq_coalescing_tbl->
960 coalescingentry[i]);
961 ugeth_info
962 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
963 (u32) & ugeth->p_rx_irq_coalescing_tbl->
964 coalescingentry[i].interruptcoalescingmaxvalue,
965 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
966 coalescingentry[i].
967 interruptcoalescingmaxvalue));
968 ugeth_info
969 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
970 (u32) & ugeth->p_rx_irq_coalescing_tbl->
971 coalescingentry[i].interruptcoalescingcounter,
972 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
973 coalescingentry[i].
974 interruptcoalescingcounter));
975 }
976 }
977 if (ugeth->p_rx_bd_qs_tbl) {
978 ugeth_info("RX BD QS tables:");
979 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
980 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
981 ugeth_info("RX BD QS table[%d]:", i);
982 ugeth_info("Base address: 0x%08x",
983 (u32) & ugeth->p_rx_bd_qs_tbl[i]);
984 ugeth_info
985 ("bdbaseptr : addr - 0x%08x, val - 0x%08x",
986 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
987 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
988 ugeth_info
989 ("bdptr : addr - 0x%08x, val - 0x%08x",
990 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
991 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
992 ugeth_info
993 ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
994 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
995 in_be32(&ugeth->p_rx_bd_qs_tbl[i].
996 externalbdbaseptr));
997 ugeth_info
998 ("externalbdptr : addr - 0x%08x, val - 0x%08x",
999 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1000 in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1001 ugeth_info("ucode RX Prefetched BDs:");
1002 ugeth_info("Base address: 0x%08x",
1003 (u32)
1004 qe_muram_addr(in_be32
1005 (&ugeth->p_rx_bd_qs_tbl[i].
1006 bdbaseptr)));
1007 mem_disp((u8 *)
1008 qe_muram_addr(in_be32
1009 (&ugeth->p_rx_bd_qs_tbl[i].
1010 bdbaseptr)),
1011 sizeof(struct ucc_geth_rx_prefetched_bds));
1012 }
1013 }
1014 if (ugeth->p_init_enet_param_shadow) {
1015 int size;
1016 ugeth_info("Init enet param shadow:");
1017 ugeth_info("Base address: 0x%08x",
1018 (u32) ugeth->p_init_enet_param_shadow);
1019 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1020 sizeof(*ugeth->p_init_enet_param_shadow));
1021
1022 size = sizeof(struct ucc_geth_thread_rx_pram);
1023 if (ugeth->ug_info->rxExtendedFiltering) {
1024 size +=
1025 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1026 if (ugeth->ug_info->largestexternallookupkeysize ==
1027 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1028 size +=
1029 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1030 if (ugeth->ug_info->largestexternallookupkeysize ==
1031 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1032 size +=
1033 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1034 }
1035
1036 dump_init_enet_entries(ugeth,
1037 &(ugeth->p_init_enet_param_shadow->
1038 txthread[0]),
1039 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1040 sizeof(struct ucc_geth_thread_tx_pram),
1041 ugeth->ug_info->riscTx, 0);
1042 dump_init_enet_entries(ugeth,
1043 &(ugeth->p_init_enet_param_shadow->
1044 rxthread[0]),
1045 ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1046 ugeth->ug_info->riscRx, 1);
1047 }
1048 }
1049 #endif /* DEBUG */
1050
1051 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1052 u32 __iomem *maccfg1_register,
1053 u32 __iomem *maccfg2_register)
1054 {
1055 out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1056 out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1057 out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1058 }
1059
1060 static int init_half_duplex_params(int alt_beb,
1061 int back_pressure_no_backoff,
1062 int no_backoff,
1063 int excess_defer,
1064 u8 alt_beb_truncation,
1065 u8 max_retransmissions,
1066 u8 collision_window,
1067 u32 __iomem *hafdup_register)
1068 {
1069 u32 value = 0;
1070
1071 if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1072 (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1073 (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1074 return -EINVAL;
1075
1076 value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1077
1078 if (alt_beb)
1079 value |= HALFDUP_ALT_BEB;
1080 if (back_pressure_no_backoff)
1081 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1082 if (no_backoff)
1083 value |= HALFDUP_NO_BACKOFF;
1084 if (excess_defer)
1085 value |= HALFDUP_EXCESSIVE_DEFER;
1086
1087 value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1088
1089 value |= collision_window;
1090
1091 out_be32(hafdup_register, value);
1092 return 0;
1093 }
1094
1095 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1096 u8 non_btb_ipg,
1097 u8 min_ifg,
1098 u8 btb_ipg,
1099 u32 __iomem *ipgifg_register)
1100 {
1101 u32 value = 0;
1102
1103 /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1104 IPG part 2 */
1105 if (non_btb_cs_ipg > non_btb_ipg)
1106 return -EINVAL;
1107
1108 if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1109 (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1110 /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1111 (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1112 return -EINVAL;
1113
1114 value |=
1115 ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1116 IPGIFG_NBTB_CS_IPG_MASK);
1117 value |=
1118 ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1119 IPGIFG_NBTB_IPG_MASK);
1120 value |=
1121 ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1122 IPGIFG_MIN_IFG_MASK);
1123 value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1124
1125 out_be32(ipgifg_register, value);
1126 return 0;
1127 }
1128
1129 int init_flow_control_params(u32 automatic_flow_control_mode,
1130 int rx_flow_control_enable,
1131 int tx_flow_control_enable,
1132 u16 pause_period,
1133 u16 extension_field,
1134 u32 __iomem *upsmr_register,
1135 u32 __iomem *uempr_register,
1136 u32 __iomem *maccfg1_register)
1137 {
1138 u32 value = 0;
1139
1140 /* Set UEMPR register */
1141 value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1142 value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1143 out_be32(uempr_register, value);
1144
1145 /* Set UPSMR register */
1146 setbits32(upsmr_register, automatic_flow_control_mode);
1147
1148 value = in_be32(maccfg1_register);
1149 if (rx_flow_control_enable)
1150 value |= MACCFG1_FLOW_RX;
1151 if (tx_flow_control_enable)
1152 value |= MACCFG1_FLOW_TX;
1153 out_be32(maccfg1_register, value);
1154
1155 return 0;
1156 }
1157
1158 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1159 int auto_zero_hardware_statistics,
1160 u32 __iomem *upsmr_register,
1161 u16 __iomem *uescr_register)
1162 {
1163 u16 uescr_value = 0;
1164
1165 /* Enable hardware statistics gathering if requested */
1166 if (enable_hardware_statistics)
1167 setbits32(upsmr_register, UCC_GETH_UPSMR_HSE);
1168
1169 /* Clear hardware statistics counters */
1170 uescr_value = in_be16(uescr_register);
1171 uescr_value |= UESCR_CLRCNT;
1172 /* Automatically zero hardware statistics counters on read,
1173 if requested */
1174 if (auto_zero_hardware_statistics)
1175 uescr_value |= UESCR_AUTOZ;
1176 out_be16(uescr_register, uescr_value);
1177
1178 return 0;
1179 }
1180
1181 static int init_firmware_statistics_gathering_mode(int
1182 enable_tx_firmware_statistics,
1183 int enable_rx_firmware_statistics,
1184 u32 __iomem *tx_rmon_base_ptr,
1185 u32 tx_firmware_statistics_structure_address,
1186 u32 __iomem *rx_rmon_base_ptr,
1187 u32 rx_firmware_statistics_structure_address,
1188 u16 __iomem *temoder_register,
1189 u32 __iomem *remoder_register)
1190 {
1191 /* Note: this function does not check if */
1192 /* the parameters it receives are NULL */
1193
1194 if (enable_tx_firmware_statistics) {
1195 out_be32(tx_rmon_base_ptr,
1196 tx_firmware_statistics_structure_address);
1197 setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE);
1198 }
1199
1200 if (enable_rx_firmware_statistics) {
1201 out_be32(rx_rmon_base_ptr,
1202 rx_firmware_statistics_structure_address);
1203 setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE);
1204 }
1205
1206 return 0;
1207 }
1208
1209 static int init_mac_station_addr_regs(u8 address_byte_0,
1210 u8 address_byte_1,
1211 u8 address_byte_2,
1212 u8 address_byte_3,
1213 u8 address_byte_4,
1214 u8 address_byte_5,
1215 u32 __iomem *macstnaddr1_register,
1216 u32 __iomem *macstnaddr2_register)
1217 {
1218 u32 value = 0;
1219
1220 /* Example: for a station address of 0x12345678ABCD, */
1221 /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1222
1223 /* MACSTNADDR1 Register: */
1224
1225 /* 0 7 8 15 */
1226 /* station address byte 5 station address byte 4 */
1227 /* 16 23 24 31 */
1228 /* station address byte 3 station address byte 2 */
1229 value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1230 value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1231 value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1232 value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1233
1234 out_be32(macstnaddr1_register, value);
1235
1236 /* MACSTNADDR2 Register: */
1237
1238 /* 0 7 8 15 */
1239 /* station address byte 1 station address byte 0 */
1240 /* 16 23 24 31 */
1241 /* reserved reserved */
1242 value = 0;
1243 value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1244 value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1245
1246 out_be32(macstnaddr2_register, value);
1247
1248 return 0;
1249 }
1250
1251 static int init_check_frame_length_mode(int length_check,
1252 u32 __iomem *maccfg2_register)
1253 {
1254 u32 value = 0;
1255
1256 value = in_be32(maccfg2_register);
1257
1258 if (length_check)
1259 value |= MACCFG2_LC;
1260 else
1261 value &= ~MACCFG2_LC;
1262
1263 out_be32(maccfg2_register, value);
1264 return 0;
1265 }
1266
1267 static int init_preamble_length(u8 preamble_length,
1268 u32 __iomem *maccfg2_register)
1269 {
1270 if ((preamble_length < 3) || (preamble_length > 7))
1271 return -EINVAL;
1272
1273 clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK,
1274 preamble_length << MACCFG2_PREL_SHIFT);
1275
1276 return 0;
1277 }
1278
1279 static int init_rx_parameters(int reject_broadcast,
1280 int receive_short_frames,
1281 int promiscuous, u32 __iomem *upsmr_register)
1282 {
1283 u32 value = 0;
1284
1285 value = in_be32(upsmr_register);
1286
1287 if (reject_broadcast)
1288 value |= UCC_GETH_UPSMR_BRO;
1289 else
1290 value &= ~UCC_GETH_UPSMR_BRO;
1291
1292 if (receive_short_frames)
1293 value |= UCC_GETH_UPSMR_RSH;
1294 else
1295 value &= ~UCC_GETH_UPSMR_RSH;
1296
1297 if (promiscuous)
1298 value |= UCC_GETH_UPSMR_PRO;
1299 else
1300 value &= ~UCC_GETH_UPSMR_PRO;
1301
1302 out_be32(upsmr_register, value);
1303
1304 return 0;
1305 }
1306
1307 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1308 u16 __iomem *mrblr_register)
1309 {
1310 /* max_rx_buf_len value must be a multiple of 128 */
1311 if ((max_rx_buf_len == 0) ||
1312 (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1313 return -EINVAL;
1314
1315 out_be16(mrblr_register, max_rx_buf_len);
1316 return 0;
1317 }
1318
1319 static int init_min_frame_len(u16 min_frame_length,
1320 u16 __iomem *minflr_register,
1321 u16 __iomem *mrblr_register)
1322 {
1323 u16 mrblr_value = 0;
1324
1325 mrblr_value = in_be16(mrblr_register);
1326 if (min_frame_length >= (mrblr_value - 4))
1327 return -EINVAL;
1328
1329 out_be16(minflr_register, min_frame_length);
1330 return 0;
1331 }
1332
1333 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1334 {
1335 struct ucc_geth_info *ug_info;
1336 struct ucc_geth __iomem *ug_regs;
1337 struct ucc_fast __iomem *uf_regs;
1338 int ret_val;
1339 u32 upsmr, maccfg2;
1340 u16 value;
1341
1342 ugeth_vdbg("%s: IN", __func__);
1343
1344 ug_info = ugeth->ug_info;
1345 ug_regs = ugeth->ug_regs;
1346 uf_regs = ugeth->uccf->uf_regs;
1347
1348 /* Set MACCFG2 */
1349 maccfg2 = in_be32(&ug_regs->maccfg2);
1350 maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1351 if ((ugeth->max_speed == SPEED_10) ||
1352 (ugeth->max_speed == SPEED_100))
1353 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1354 else if (ugeth->max_speed == SPEED_1000)
1355 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1356 maccfg2 |= ug_info->padAndCrc;
1357 out_be32(&ug_regs->maccfg2, maccfg2);
1358
1359 /* Set UPSMR */
1360 upsmr = in_be32(&uf_regs->upsmr);
1361 upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
1362 UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
1363 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1364 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1365 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1366 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1367 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1368 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1369 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII)
1370 upsmr |= UCC_GETH_UPSMR_RPM;
1371 switch (ugeth->max_speed) {
1372 case SPEED_10:
1373 upsmr |= UCC_GETH_UPSMR_R10M;
1374 /* FALLTHROUGH */
1375 case SPEED_100:
1376 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1377 upsmr |= UCC_GETH_UPSMR_RMM;
1378 }
1379 }
1380 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1381 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1382 upsmr |= UCC_GETH_UPSMR_TBIM;
1383 }
1384 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_SGMII))
1385 upsmr |= UCC_GETH_UPSMR_SGMM;
1386
1387 out_be32(&uf_regs->upsmr, upsmr);
1388
1389 /* Disable autonegotiation in tbi mode, because by default it
1390 comes up in autonegotiation mode. */
1391 /* Note that this depends on proper setting in utbipar register. */
1392 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1393 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1394 struct ucc_geth_info *ug_info = ugeth->ug_info;
1395 struct phy_device *tbiphy;
1396
1397 if (!ug_info->tbi_node)
1398 ugeth_warn("TBI mode requires that the device "
1399 "tree specify a tbi-handle\n");
1400
1401 tbiphy = of_phy_find_device(ug_info->tbi_node);
1402 if (!tbiphy)
1403 ugeth_warn("Could not get TBI device\n");
1404
1405 value = phy_read(tbiphy, ENET_TBI_MII_CR);
1406 value &= ~0x1000; /* Turn off autonegotiation */
1407 phy_write(tbiphy, ENET_TBI_MII_CR, value);
1408 }
1409
1410 init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1411
1412 ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1413 if (ret_val != 0) {
1414 if (netif_msg_probe(ugeth))
1415 ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1416 __func__);
1417 return ret_val;
1418 }
1419
1420 return 0;
1421 }
1422
1423 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1424 {
1425 struct ucc_fast_private *uccf;
1426 u32 cecr_subblock;
1427 u32 temp;
1428 int i = 10;
1429
1430 uccf = ugeth->uccf;
1431
1432 /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1433 clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA);
1434 out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */
1435
1436 /* Issue host command */
1437 cecr_subblock =
1438 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1439 qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1440 QE_CR_PROTOCOL_ETHERNET, 0);
1441
1442 /* Wait for command to complete */
1443 do {
1444 msleep(10);
1445 temp = in_be32(uccf->p_ucce);
1446 } while (!(temp & UCC_GETH_UCCE_GRA) && --i);
1447
1448 uccf->stopped_tx = 1;
1449
1450 return 0;
1451 }
1452
1453 static int ugeth_graceful_stop_rx(struct ucc_geth_private *ugeth)
1454 {
1455 struct ucc_fast_private *uccf;
1456 u32 cecr_subblock;
1457 u8 temp;
1458 int i = 10;
1459
1460 uccf = ugeth->uccf;
1461
1462 /* Clear acknowledge bit */
1463 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1464 temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1465 out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1466
1467 /* Keep issuing command and checking acknowledge bit until
1468 it is asserted, according to spec */
1469 do {
1470 /* Issue host command */
1471 cecr_subblock =
1472 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1473 ucc_num);
1474 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1475 QE_CR_PROTOCOL_ETHERNET, 0);
1476 msleep(10);
1477 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1478 } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1479
1480 uccf->stopped_rx = 1;
1481
1482 return 0;
1483 }
1484
1485 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1486 {
1487 struct ucc_fast_private *uccf;
1488 u32 cecr_subblock;
1489
1490 uccf = ugeth->uccf;
1491
1492 cecr_subblock =
1493 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1494 qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1495 uccf->stopped_tx = 0;
1496
1497 return 0;
1498 }
1499
1500 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1501 {
1502 struct ucc_fast_private *uccf;
1503 u32 cecr_subblock;
1504
1505 uccf = ugeth->uccf;
1506
1507 cecr_subblock =
1508 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1509 qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1510 0);
1511 uccf->stopped_rx = 0;
1512
1513 return 0;
1514 }
1515
1516 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1517 {
1518 struct ucc_fast_private *uccf;
1519 int enabled_tx, enabled_rx;
1520
1521 uccf = ugeth->uccf;
1522
1523 /* check if the UCC number is in range. */
1524 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1525 if (netif_msg_probe(ugeth))
1526 ugeth_err("%s: ucc_num out of range.", __func__);
1527 return -EINVAL;
1528 }
1529
1530 enabled_tx = uccf->enabled_tx;
1531 enabled_rx = uccf->enabled_rx;
1532
1533 /* Get Tx and Rx going again, in case this channel was actively
1534 disabled. */
1535 if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1536 ugeth_restart_tx(ugeth);
1537 if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1538 ugeth_restart_rx(ugeth);
1539
1540 ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
1541
1542 return 0;
1543
1544 }
1545
1546 static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1547 {
1548 struct ucc_fast_private *uccf;
1549
1550 uccf = ugeth->uccf;
1551
1552 /* check if the UCC number is in range. */
1553 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1554 if (netif_msg_probe(ugeth))
1555 ugeth_err("%s: ucc_num out of range.", __func__);
1556 return -EINVAL;
1557 }
1558
1559 /* Stop any transmissions */
1560 if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1561 ugeth_graceful_stop_tx(ugeth);
1562
1563 /* Stop any receptions */
1564 if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1565 ugeth_graceful_stop_rx(ugeth);
1566
1567 ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1568
1569 return 0;
1570 }
1571
1572 static void ugeth_quiesce(struct ucc_geth_private *ugeth)
1573 {
1574 /* Prevent any further xmits, plus detach the device. */
1575 netif_device_detach(ugeth->ndev);
1576
1577 /* Wait for any current xmits to finish. */
1578 netif_tx_disable(ugeth->ndev);
1579
1580 /* Disable the interrupt to avoid NAPI rescheduling. */
1581 disable_irq(ugeth->ug_info->uf_info.irq);
1582
1583 /* Stop NAPI, and possibly wait for its completion. */
1584 napi_disable(&ugeth->napi);
1585 }
1586
1587 static void ugeth_activate(struct ucc_geth_private *ugeth)
1588 {
1589 napi_enable(&ugeth->napi);
1590 enable_irq(ugeth->ug_info->uf_info.irq);
1591 netif_device_attach(ugeth->ndev);
1592 }
1593
1594 /* Called every time the controller might need to be made
1595 * aware of new link state. The PHY code conveys this
1596 * information through variables in the ugeth structure, and this
1597 * function converts those variables into the appropriate
1598 * register values, and can bring down the device if needed.
1599 */
1600
1601 static void adjust_link(struct net_device *dev)
1602 {
1603 struct ucc_geth_private *ugeth = netdev_priv(dev);
1604 struct ucc_geth __iomem *ug_regs;
1605 struct ucc_fast __iomem *uf_regs;
1606 struct phy_device *phydev = ugeth->phydev;
1607 int new_state = 0;
1608
1609 ug_regs = ugeth->ug_regs;
1610 uf_regs = ugeth->uccf->uf_regs;
1611
1612 if (phydev->link) {
1613 u32 tempval = in_be32(&ug_regs->maccfg2);
1614 u32 upsmr = in_be32(&uf_regs->upsmr);
1615 /* Now we make sure that we can be in full duplex mode.
1616 * If not, we operate in half-duplex mode. */
1617 if (phydev->duplex != ugeth->oldduplex) {
1618 new_state = 1;
1619 if (!(phydev->duplex))
1620 tempval &= ~(MACCFG2_FDX);
1621 else
1622 tempval |= MACCFG2_FDX;
1623 ugeth->oldduplex = phydev->duplex;
1624 }
1625
1626 if (phydev->speed != ugeth->oldspeed) {
1627 new_state = 1;
1628 switch (phydev->speed) {
1629 case SPEED_1000:
1630 tempval = ((tempval &
1631 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1632 MACCFG2_INTERFACE_MODE_BYTE);
1633 break;
1634 case SPEED_100:
1635 case SPEED_10:
1636 tempval = ((tempval &
1637 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1638 MACCFG2_INTERFACE_MODE_NIBBLE);
1639 /* if reduced mode, re-set UPSMR.R10M */
1640 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1641 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1642 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1643 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1644 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1645 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1646 if (phydev->speed == SPEED_10)
1647 upsmr |= UCC_GETH_UPSMR_R10M;
1648 else
1649 upsmr &= ~UCC_GETH_UPSMR_R10M;
1650 }
1651 break;
1652 default:
1653 if (netif_msg_link(ugeth))
1654 ugeth_warn(
1655 "%s: Ack! Speed (%d) is not 10/100/1000!",
1656 dev->name, phydev->speed);
1657 break;
1658 }
1659 ugeth->oldspeed = phydev->speed;
1660 }
1661
1662 if (!ugeth->oldlink) {
1663 new_state = 1;
1664 ugeth->oldlink = 1;
1665 }
1666
1667 if (new_state) {
1668 /*
1669 * To change the MAC configuration we need to disable
1670 * the controller. To do so, we have to either grab
1671 * ugeth->lock, which is a bad idea since 'graceful
1672 * stop' commands might take quite a while, or we can
1673 * quiesce driver's activity.
1674 */
1675 ugeth_quiesce(ugeth);
1676 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
1677
1678 out_be32(&ug_regs->maccfg2, tempval);
1679 out_be32(&uf_regs->upsmr, upsmr);
1680
1681 ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
1682 ugeth_activate(ugeth);
1683 }
1684 } else if (ugeth->oldlink) {
1685 new_state = 1;
1686 ugeth->oldlink = 0;
1687 ugeth->oldspeed = 0;
1688 ugeth->oldduplex = -1;
1689 }
1690
1691 if (new_state && netif_msg_link(ugeth))
1692 phy_print_status(phydev);
1693 }
1694
1695 /* Initialize TBI PHY interface for communicating with the
1696 * SERDES lynx PHY on the chip. We communicate with this PHY
1697 * through the MDIO bus on each controller, treating it as a
1698 * "normal" PHY at the address found in the UTBIPA register. We assume
1699 * that the UTBIPA register is valid. Either the MDIO bus code will set
1700 * it to a value that doesn't conflict with other PHYs on the bus, or the
1701 * value doesn't matter, as there are no other PHYs on the bus.
1702 */
1703 static void uec_configure_serdes(struct net_device *dev)
1704 {
1705 struct ucc_geth_private *ugeth = netdev_priv(dev);
1706 struct ucc_geth_info *ug_info = ugeth->ug_info;
1707 struct phy_device *tbiphy;
1708
1709 if (!ug_info->tbi_node) {
1710 dev_warn(&dev->dev, "SGMII mode requires that the device "
1711 "tree specify a tbi-handle\n");
1712 return;
1713 }
1714
1715 tbiphy = of_phy_find_device(ug_info->tbi_node);
1716 if (!tbiphy) {
1717 dev_err(&dev->dev, "error: Could not get TBI device\n");
1718 return;
1719 }
1720
1721 /*
1722 * If the link is already up, we must already be ok, and don't need to
1723 * configure and reset the TBI<->SerDes link. Maybe U-Boot configured
1724 * everything for us? Resetting it takes the link down and requires
1725 * several seconds for it to come back.
1726 */
1727 if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS)
1728 return;
1729
1730 /* Single clk mode, mii mode off(for serdes communication) */
1731 phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS);
1732
1733 phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
1734
1735 phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS);
1736 }
1737
1738 /* Configure the PHY for dev.
1739 * returns 0 if success. -1 if failure
1740 */
1741 static int init_phy(struct net_device *dev)
1742 {
1743 struct ucc_geth_private *priv = netdev_priv(dev);
1744 struct ucc_geth_info *ug_info = priv->ug_info;
1745 struct phy_device *phydev;
1746
1747 priv->oldlink = 0;
1748 priv->oldspeed = 0;
1749 priv->oldduplex = -1;
1750
1751 phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0,
1752 priv->phy_interface);
1753 if (!phydev)
1754 phydev = of_phy_connect_fixed_link(dev, &adjust_link,
1755 priv->phy_interface);
1756 if (!phydev) {
1757 dev_err(&dev->dev, "Could not attach to PHY\n");
1758 return -ENODEV;
1759 }
1760
1761 if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII)
1762 uec_configure_serdes(dev);
1763
1764 phydev->supported &= (ADVERTISED_10baseT_Half |
1765 ADVERTISED_10baseT_Full |
1766 ADVERTISED_100baseT_Half |
1767 ADVERTISED_100baseT_Full);
1768
1769 if (priv->max_speed == SPEED_1000)
1770 phydev->supported |= ADVERTISED_1000baseT_Full;
1771
1772 phydev->advertising = phydev->supported;
1773
1774 priv->phydev = phydev;
1775
1776 return 0;
1777 }
1778
1779 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1780 {
1781 #ifdef DEBUG
1782 ucc_fast_dump_regs(ugeth->uccf);
1783 dump_regs(ugeth);
1784 dump_bds(ugeth);
1785 #endif
1786 }
1787
1788 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1789 ugeth,
1790 enum enet_addr_type
1791 enet_addr_type)
1792 {
1793 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1794 struct ucc_fast_private *uccf;
1795 enum comm_dir comm_dir;
1796 struct list_head *p_lh;
1797 u16 i, num;
1798 u32 __iomem *addr_h;
1799 u32 __iomem *addr_l;
1800 u8 *p_counter;
1801
1802 uccf = ugeth->uccf;
1803
1804 p_82xx_addr_filt =
1805 (struct ucc_geth_82xx_address_filtering_pram __iomem *)
1806 ugeth->p_rx_glbl_pram->addressfiltering;
1807
1808 if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
1809 addr_h = &(p_82xx_addr_filt->gaddr_h);
1810 addr_l = &(p_82xx_addr_filt->gaddr_l);
1811 p_lh = &ugeth->group_hash_q;
1812 p_counter = &(ugeth->numGroupAddrInHash);
1813 } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
1814 addr_h = &(p_82xx_addr_filt->iaddr_h);
1815 addr_l = &(p_82xx_addr_filt->iaddr_l);
1816 p_lh = &ugeth->ind_hash_q;
1817 p_counter = &(ugeth->numIndAddrInHash);
1818 } else
1819 return -EINVAL;
1820
1821 comm_dir = 0;
1822 if (uccf->enabled_tx)
1823 comm_dir |= COMM_DIR_TX;
1824 if (uccf->enabled_rx)
1825 comm_dir |= COMM_DIR_RX;
1826 if (comm_dir)
1827 ugeth_disable(ugeth, comm_dir);
1828
1829 /* Clear the hash table. */
1830 out_be32(addr_h, 0x00000000);
1831 out_be32(addr_l, 0x00000000);
1832
1833 if (!p_lh)
1834 return 0;
1835
1836 num = *p_counter;
1837
1838 /* Delete all remaining CQ elements */
1839 for (i = 0; i < num; i++)
1840 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
1841
1842 *p_counter = 0;
1843
1844 if (comm_dir)
1845 ugeth_enable(ugeth, comm_dir);
1846
1847 return 0;
1848 }
1849
1850 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
1851 u8 paddr_num)
1852 {
1853 ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
1854 return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
1855 }
1856
1857 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
1858 {
1859 u16 i, j;
1860 u8 __iomem *bd;
1861
1862 if (!ugeth)
1863 return;
1864
1865 if (ugeth->uccf) {
1866 ucc_fast_free(ugeth->uccf);
1867 ugeth->uccf = NULL;
1868 }
1869
1870 if (ugeth->p_thread_data_tx) {
1871 qe_muram_free(ugeth->thread_dat_tx_offset);
1872 ugeth->p_thread_data_tx = NULL;
1873 }
1874 if (ugeth->p_thread_data_rx) {
1875 qe_muram_free(ugeth->thread_dat_rx_offset);
1876 ugeth->p_thread_data_rx = NULL;
1877 }
1878 if (ugeth->p_exf_glbl_param) {
1879 qe_muram_free(ugeth->exf_glbl_param_offset);
1880 ugeth->p_exf_glbl_param = NULL;
1881 }
1882 if (ugeth->p_rx_glbl_pram) {
1883 qe_muram_free(ugeth->rx_glbl_pram_offset);
1884 ugeth->p_rx_glbl_pram = NULL;
1885 }
1886 if (ugeth->p_tx_glbl_pram) {
1887 qe_muram_free(ugeth->tx_glbl_pram_offset);
1888 ugeth->p_tx_glbl_pram = NULL;
1889 }
1890 if (ugeth->p_send_q_mem_reg) {
1891 qe_muram_free(ugeth->send_q_mem_reg_offset);
1892 ugeth->p_send_q_mem_reg = NULL;
1893 }
1894 if (ugeth->p_scheduler) {
1895 qe_muram_free(ugeth->scheduler_offset);
1896 ugeth->p_scheduler = NULL;
1897 }
1898 if (ugeth->p_tx_fw_statistics_pram) {
1899 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
1900 ugeth->p_tx_fw_statistics_pram = NULL;
1901 }
1902 if (ugeth->p_rx_fw_statistics_pram) {
1903 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
1904 ugeth->p_rx_fw_statistics_pram = NULL;
1905 }
1906 if (ugeth->p_rx_irq_coalescing_tbl) {
1907 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
1908 ugeth->p_rx_irq_coalescing_tbl = NULL;
1909 }
1910 if (ugeth->p_rx_bd_qs_tbl) {
1911 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
1912 ugeth->p_rx_bd_qs_tbl = NULL;
1913 }
1914 if (ugeth->p_init_enet_param_shadow) {
1915 return_init_enet_entries(ugeth,
1916 &(ugeth->p_init_enet_param_shadow->
1917 rxthread[0]),
1918 ENET_INIT_PARAM_MAX_ENTRIES_RX,
1919 ugeth->ug_info->riscRx, 1);
1920 return_init_enet_entries(ugeth,
1921 &(ugeth->p_init_enet_param_shadow->
1922 txthread[0]),
1923 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1924 ugeth->ug_info->riscTx, 0);
1925 kfree(ugeth->p_init_enet_param_shadow);
1926 ugeth->p_init_enet_param_shadow = NULL;
1927 }
1928 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1929 bd = ugeth->p_tx_bd_ring[i];
1930 if (!bd)
1931 continue;
1932 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
1933 if (ugeth->tx_skbuff[i][j]) {
1934 dma_unmap_single(ugeth->dev,
1935 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1936 (in_be32((u32 __iomem *)bd) &
1937 BD_LENGTH_MASK),
1938 DMA_TO_DEVICE);
1939 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
1940 ugeth->tx_skbuff[i][j] = NULL;
1941 }
1942 }
1943
1944 kfree(ugeth->tx_skbuff[i]);
1945
1946 if (ugeth->p_tx_bd_ring[i]) {
1947 if (ugeth->ug_info->uf_info.bd_mem_part ==
1948 MEM_PART_SYSTEM)
1949 kfree((void *)ugeth->tx_bd_ring_offset[i]);
1950 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1951 MEM_PART_MURAM)
1952 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
1953 ugeth->p_tx_bd_ring[i] = NULL;
1954 }
1955 }
1956 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1957 if (ugeth->p_rx_bd_ring[i]) {
1958 /* Return existing data buffers in ring */
1959 bd = ugeth->p_rx_bd_ring[i];
1960 for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
1961 if (ugeth->rx_skbuff[i][j]) {
1962 dma_unmap_single(ugeth->dev,
1963 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1964 ugeth->ug_info->
1965 uf_info.max_rx_buf_length +
1966 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
1967 DMA_FROM_DEVICE);
1968 dev_kfree_skb_any(
1969 ugeth->rx_skbuff[i][j]);
1970 ugeth->rx_skbuff[i][j] = NULL;
1971 }
1972 bd += sizeof(struct qe_bd);
1973 }
1974
1975 kfree(ugeth->rx_skbuff[i]);
1976
1977 if (ugeth->ug_info->uf_info.bd_mem_part ==
1978 MEM_PART_SYSTEM)
1979 kfree((void *)ugeth->rx_bd_ring_offset[i]);
1980 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1981 MEM_PART_MURAM)
1982 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
1983 ugeth->p_rx_bd_ring[i] = NULL;
1984 }
1985 }
1986 while (!list_empty(&ugeth->group_hash_q))
1987 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1988 (dequeue(&ugeth->group_hash_q)));
1989 while (!list_empty(&ugeth->ind_hash_q))
1990 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1991 (dequeue(&ugeth->ind_hash_q)));
1992 if (ugeth->ug_regs) {
1993 iounmap(ugeth->ug_regs);
1994 ugeth->ug_regs = NULL;
1995 }
1996
1997 skb_queue_purge(&ugeth->rx_recycle);
1998 }
1999
2000 static void ucc_geth_set_multi(struct net_device *dev)
2001 {
2002 struct ucc_geth_private *ugeth;
2003 struct netdev_hw_addr *ha;
2004 struct ucc_fast __iomem *uf_regs;
2005 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2006
2007 ugeth = netdev_priv(dev);
2008
2009 uf_regs = ugeth->uccf->uf_regs;
2010
2011 if (dev->flags & IFF_PROMISC) {
2012 setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
2013 } else {
2014 clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
2015
2016 p_82xx_addr_filt =
2017 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2018 p_rx_glbl_pram->addressfiltering;
2019
2020 if (dev->flags & IFF_ALLMULTI) {
2021 /* Catch all multicast addresses, so set the
2022 * filter to all 1's.
2023 */
2024 out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2025 out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2026 } else {
2027 /* Clear filter and add the addresses in the list.
2028 */
2029 out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2030 out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2031
2032 netdev_for_each_mc_addr(ha, dev) {
2033 /* Only support group multicast for now.
2034 */
2035 if (!is_multicast_ether_addr(ha->addr))
2036 continue;
2037
2038 /* Ask CPM to run CRC and set bit in
2039 * filter mask.
2040 */
2041 hw_add_addr_in_hash(ugeth, ha->addr);
2042 }
2043 }
2044 }
2045 }
2046
2047 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2048 {
2049 struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2050 struct phy_device *phydev = ugeth->phydev;
2051
2052 ugeth_vdbg("%s: IN", __func__);
2053
2054 /*
2055 * Tell the kernel the link is down.
2056 * Must be done before disabling the controller
2057 * or deadlock may happen.
2058 */
2059 phy_stop(phydev);
2060
2061 /* Disable the controller */
2062 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2063
2064 /* Mask all interrupts */
2065 out_be32(ugeth->uccf->p_uccm, 0x00000000);
2066
2067 /* Clear all interrupts */
2068 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2069
2070 /* Disable Rx and Tx */
2071 clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2072
2073 ucc_geth_memclean(ugeth);
2074 }
2075
2076 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2077 {
2078 struct ucc_geth_info *ug_info;
2079 struct ucc_fast_info *uf_info;
2080 int i;
2081
2082 ug_info = ugeth->ug_info;
2083 uf_info = &ug_info->uf_info;
2084
2085 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2086 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2087 if (netif_msg_probe(ugeth))
2088 ugeth_err("%s: Bad memory partition value.",
2089 __func__);
2090 return -EINVAL;
2091 }
2092
2093 /* Rx BD lengths */
2094 for (i = 0; i < ug_info->numQueuesRx; i++) {
2095 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2096 (ug_info->bdRingLenRx[i] %
2097 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2098 if (netif_msg_probe(ugeth))
2099 ugeth_err
2100 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2101 __func__);
2102 return -EINVAL;
2103 }
2104 }
2105
2106 /* Tx BD lengths */
2107 for (i = 0; i < ug_info->numQueuesTx; i++) {
2108 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2109 if (netif_msg_probe(ugeth))
2110 ugeth_err
2111 ("%s: Tx BD ring length must be no smaller than 2.",
2112 __func__);
2113 return -EINVAL;
2114 }
2115 }
2116
2117 /* mrblr */
2118 if ((uf_info->max_rx_buf_length == 0) ||
2119 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2120 if (netif_msg_probe(ugeth))
2121 ugeth_err
2122 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2123 __func__);
2124 return -EINVAL;
2125 }
2126
2127 /* num Tx queues */
2128 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2129 if (netif_msg_probe(ugeth))
2130 ugeth_err("%s: number of tx queues too large.", __func__);
2131 return -EINVAL;
2132 }
2133
2134 /* num Rx queues */
2135 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2136 if (netif_msg_probe(ugeth))
2137 ugeth_err("%s: number of rx queues too large.", __func__);
2138 return -EINVAL;
2139 }
2140
2141 /* l2qt */
2142 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2143 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2144 if (netif_msg_probe(ugeth))
2145 ugeth_err
2146 ("%s: VLAN priority table entry must not be"
2147 " larger than number of Rx queues.",
2148 __func__);
2149 return -EINVAL;
2150 }
2151 }
2152
2153 /* l3qt */
2154 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2155 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2156 if (netif_msg_probe(ugeth))
2157 ugeth_err
2158 ("%s: IP priority table entry must not be"
2159 " larger than number of Rx queues.",
2160 __func__);
2161 return -EINVAL;
2162 }
2163 }
2164
2165 if (ug_info->cam && !ug_info->ecamptr) {
2166 if (netif_msg_probe(ugeth))
2167 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2168 __func__);
2169 return -EINVAL;
2170 }
2171
2172 if ((ug_info->numStationAddresses !=
2173 UCC_GETH_NUM_OF_STATION_ADDRESSES_1) &&
2174 ug_info->rxExtendedFiltering) {
2175 if (netif_msg_probe(ugeth))
2176 ugeth_err("%s: Number of station addresses greater than 1 "
2177 "not allowed in extended parsing mode.",
2178 __func__);
2179 return -EINVAL;
2180 }
2181
2182 /* Generate uccm_mask for receive */
2183 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2184 for (i = 0; i < ug_info->numQueuesRx; i++)
2185 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
2186
2187 for (i = 0; i < ug_info->numQueuesTx; i++)
2188 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
2189 /* Initialize the general fast UCC block. */
2190 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2191 if (netif_msg_probe(ugeth))
2192 ugeth_err("%s: Failed to init uccf.", __func__);
2193 return -ENOMEM;
2194 }
2195
2196 /* read the number of risc engines, update the riscTx and riscRx
2197 * if there are 4 riscs in QE
2198 */
2199 if (qe_get_num_of_risc() == 4) {
2200 ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS;
2201 ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS;
2202 }
2203
2204 ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2205 if (!ugeth->ug_regs) {
2206 if (netif_msg_probe(ugeth))
2207 ugeth_err("%s: Failed to ioremap regs.", __func__);
2208 return -ENOMEM;
2209 }
2210
2211 skb_queue_head_init(&ugeth->rx_recycle);
2212
2213 return 0;
2214 }
2215
2216 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2217 {
2218 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2219 struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2220 struct ucc_fast_private *uccf;
2221 struct ucc_geth_info *ug_info;
2222 struct ucc_fast_info *uf_info;
2223 struct ucc_fast __iomem *uf_regs;
2224 struct ucc_geth __iomem *ug_regs;
2225 int ret_val = -EINVAL;
2226 u32 remoder = UCC_GETH_REMODER_INIT;
2227 u32 init_enet_pram_offset, cecr_subblock, command;
2228 u32 ifstat, i, j, size, l2qt, l3qt, length;
2229 u16 temoder = UCC_GETH_TEMODER_INIT;
2230 u16 test;
2231 u8 function_code = 0;
2232 u8 __iomem *bd;
2233 u8 __iomem *endOfRing;
2234 u8 numThreadsRxNumerical, numThreadsTxNumerical;
2235
2236 ugeth_vdbg("%s: IN", __func__);
2237 uccf = ugeth->uccf;
2238 ug_info = ugeth->ug_info;
2239 uf_info = &ug_info->uf_info;
2240 uf_regs = uccf->uf_regs;
2241 ug_regs = ugeth->ug_regs;
2242
2243 switch (ug_info->numThreadsRx) {
2244 case UCC_GETH_NUM_OF_THREADS_1:
2245 numThreadsRxNumerical = 1;
2246 break;
2247 case UCC_GETH_NUM_OF_THREADS_2:
2248 numThreadsRxNumerical = 2;
2249 break;
2250 case UCC_GETH_NUM_OF_THREADS_4:
2251 numThreadsRxNumerical = 4;
2252 break;
2253 case UCC_GETH_NUM_OF_THREADS_6:
2254 numThreadsRxNumerical = 6;
2255 break;
2256 case UCC_GETH_NUM_OF_THREADS_8:
2257 numThreadsRxNumerical = 8;
2258 break;
2259 default:
2260 if (netif_msg_ifup(ugeth))
2261 ugeth_err("%s: Bad number of Rx threads value.",
2262 __func__);
2263 return -EINVAL;
2264 break;
2265 }
2266
2267 switch (ug_info->numThreadsTx) {
2268 case UCC_GETH_NUM_OF_THREADS_1:
2269 numThreadsTxNumerical = 1;
2270 break;
2271 case UCC_GETH_NUM_OF_THREADS_2:
2272 numThreadsTxNumerical = 2;
2273 break;
2274 case UCC_GETH_NUM_OF_THREADS_4:
2275 numThreadsTxNumerical = 4;
2276 break;
2277 case UCC_GETH_NUM_OF_THREADS_6:
2278 numThreadsTxNumerical = 6;
2279 break;
2280 case UCC_GETH_NUM_OF_THREADS_8:
2281 numThreadsTxNumerical = 8;
2282 break;
2283 default:
2284 if (netif_msg_ifup(ugeth))
2285 ugeth_err("%s: Bad number of Tx threads value.",
2286 __func__);
2287 return -EINVAL;
2288 break;
2289 }
2290
2291 /* Calculate rx_extended_features */
2292 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2293 ug_info->ipAddressAlignment ||
2294 (ug_info->numStationAddresses !=
2295 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2296
2297 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2298 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) ||
2299 (ug_info->vlanOperationNonTagged !=
2300 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2301
2302 init_default_reg_vals(&uf_regs->upsmr,
2303 &ug_regs->maccfg1, &ug_regs->maccfg2);
2304
2305 /* Set UPSMR */
2306 /* For more details see the hardware spec. */
2307 init_rx_parameters(ug_info->bro,
2308 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2309
2310 /* We're going to ignore other registers for now, */
2311 /* except as needed to get up and running */
2312
2313 /* Set MACCFG1 */
2314 /* For more details see the hardware spec. */
2315 init_flow_control_params(ug_info->aufc,
2316 ug_info->receiveFlowControl,
2317 ug_info->transmitFlowControl,
2318 ug_info->pausePeriod,
2319 ug_info->extensionField,
2320 &uf_regs->upsmr,
2321 &ug_regs->uempr, &ug_regs->maccfg1);
2322
2323 setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2324
2325 /* Set IPGIFG */
2326 /* For more details see the hardware spec. */
2327 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2328 ug_info->nonBackToBackIfgPart2,
2329 ug_info->
2330 miminumInterFrameGapEnforcement,
2331 ug_info->backToBackInterFrameGap,
2332 &ug_regs->ipgifg);
2333 if (ret_val != 0) {
2334 if (netif_msg_ifup(ugeth))
2335 ugeth_err("%s: IPGIFG initialization parameter too large.",
2336 __func__);
2337 return ret_val;
2338 }
2339
2340 /* Set HAFDUP */
2341 /* For more details see the hardware spec. */
2342 ret_val = init_half_duplex_params(ug_info->altBeb,
2343 ug_info->backPressureNoBackoff,
2344 ug_info->noBackoff,
2345 ug_info->excessDefer,
2346 ug_info->altBebTruncation,
2347 ug_info->maxRetransmission,
2348 ug_info->collisionWindow,
2349 &ug_regs->hafdup);
2350 if (ret_val != 0) {
2351 if (netif_msg_ifup(ugeth))
2352 ugeth_err("%s: Half Duplex initialization parameter too large.",
2353 __func__);
2354 return ret_val;
2355 }
2356
2357 /* Set IFSTAT */
2358 /* For more details see the hardware spec. */
2359 /* Read only - resets upon read */
2360 ifstat = in_be32(&ug_regs->ifstat);
2361
2362 /* Clear UEMPR */
2363 /* For more details see the hardware spec. */
2364 out_be32(&ug_regs->uempr, 0);
2365
2366 /* Set UESCR */
2367 /* For more details see the hardware spec. */
2368 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2369 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2370 0, &uf_regs->upsmr, &ug_regs->uescr);
2371
2372 /* Allocate Tx bds */
2373 for (j = 0; j < ug_info->numQueuesTx; j++) {
2374 /* Allocate in multiple of
2375 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2376 according to spec */
2377 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2378 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2379 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2380 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2381 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2382 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2383 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2384 u32 align = 4;
2385 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2386 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2387 ugeth->tx_bd_ring_offset[j] =
2388 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2389
2390 if (ugeth->tx_bd_ring_offset[j] != 0)
2391 ugeth->p_tx_bd_ring[j] =
2392 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2393 align) & ~(align - 1));
2394 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2395 ugeth->tx_bd_ring_offset[j] =
2396 qe_muram_alloc(length,
2397 UCC_GETH_TX_BD_RING_ALIGNMENT);
2398 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2399 ugeth->p_tx_bd_ring[j] =
2400 (u8 __iomem *) qe_muram_addr(ugeth->
2401 tx_bd_ring_offset[j]);
2402 }
2403 if (!ugeth->p_tx_bd_ring[j]) {
2404 if (netif_msg_ifup(ugeth))
2405 ugeth_err
2406 ("%s: Can not allocate memory for Tx bd rings.",
2407 __func__);
2408 return -ENOMEM;
2409 }
2410 /* Zero unused end of bd ring, according to spec */
2411 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2412 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2413 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2414 }
2415
2416 /* Allocate Rx bds */
2417 for (j = 0; j < ug_info->numQueuesRx; j++) {
2418 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2419 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2420 u32 align = 4;
2421 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2422 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2423 ugeth->rx_bd_ring_offset[j] =
2424 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2425 if (ugeth->rx_bd_ring_offset[j] != 0)
2426 ugeth->p_rx_bd_ring[j] =
2427 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2428 align) & ~(align - 1));
2429 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2430 ugeth->rx_bd_ring_offset[j] =
2431 qe_muram_alloc(length,
2432 UCC_GETH_RX_BD_RING_ALIGNMENT);
2433 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2434 ugeth->p_rx_bd_ring[j] =
2435 (u8 __iomem *) qe_muram_addr(ugeth->
2436 rx_bd_ring_offset[j]);
2437 }
2438 if (!ugeth->p_rx_bd_ring[j]) {
2439 if (netif_msg_ifup(ugeth))
2440 ugeth_err
2441 ("%s: Can not allocate memory for Rx bd rings.",
2442 __func__);
2443 return -ENOMEM;
2444 }
2445 }
2446
2447 /* Init Tx bds */
2448 for (j = 0; j < ug_info->numQueuesTx; j++) {
2449 /* Setup the skbuff rings */
2450 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2451 ugeth->ug_info->bdRingLenTx[j],
2452 GFP_KERNEL);
2453
2454 if (ugeth->tx_skbuff[j] == NULL) {
2455 if (netif_msg_ifup(ugeth))
2456 ugeth_err("%s: Could not allocate tx_skbuff",
2457 __func__);
2458 return -ENOMEM;
2459 }
2460
2461 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2462 ugeth->tx_skbuff[j][i] = NULL;
2463
2464 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2465 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2466 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2467 /* clear bd buffer */
2468 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2469 /* set bd status and length */
2470 out_be32((u32 __iomem *)bd, 0);
2471 bd += sizeof(struct qe_bd);
2472 }
2473 bd -= sizeof(struct qe_bd);
2474 /* set bd status and length */
2475 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2476 }
2477
2478 /* Init Rx bds */
2479 for (j = 0; j < ug_info->numQueuesRx; j++) {
2480 /* Setup the skbuff rings */
2481 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2482 ugeth->ug_info->bdRingLenRx[j],
2483 GFP_KERNEL);
2484
2485 if (ugeth->rx_skbuff[j] == NULL) {
2486 if (netif_msg_ifup(ugeth))
2487 ugeth_err("%s: Could not allocate rx_skbuff",
2488 __func__);
2489 return -ENOMEM;
2490 }
2491
2492 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2493 ugeth->rx_skbuff[j][i] = NULL;
2494
2495 ugeth->skb_currx[j] = 0;
2496 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2497 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2498 /* set bd status and length */
2499 out_be32((u32 __iomem *)bd, R_I);
2500 /* clear bd buffer */
2501 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2502 bd += sizeof(struct qe_bd);
2503 }
2504 bd -= sizeof(struct qe_bd);
2505 /* set bd status and length */
2506 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2507 }
2508
2509 /*
2510 * Global PRAM
2511 */
2512 /* Tx global PRAM */
2513 /* Allocate global tx parameter RAM page */
2514 ugeth->tx_glbl_pram_offset =
2515 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2516 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2517 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2518 if (netif_msg_ifup(ugeth))
2519 ugeth_err
2520 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2521 __func__);
2522 return -ENOMEM;
2523 }
2524 ugeth->p_tx_glbl_pram =
2525 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2526 tx_glbl_pram_offset);
2527 /* Zero out p_tx_glbl_pram */
2528 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2529
2530 /* Fill global PRAM */
2531
2532 /* TQPTR */
2533 /* Size varies with number of Tx threads */
2534 ugeth->thread_dat_tx_offset =
2535 qe_muram_alloc(numThreadsTxNumerical *
2536 sizeof(struct ucc_geth_thread_data_tx) +
2537 32 * (numThreadsTxNumerical == 1),
2538 UCC_GETH_THREAD_DATA_ALIGNMENT);
2539 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2540 if (netif_msg_ifup(ugeth))
2541 ugeth_err
2542 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2543 __func__);
2544 return -ENOMEM;
2545 }
2546
2547 ugeth->p_thread_data_tx =
2548 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2549 thread_dat_tx_offset);
2550 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2551
2552 /* vtagtable */
2553 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2554 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2555 ug_info->vtagtable[i]);
2556
2557 /* iphoffset */
2558 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2559 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2560 ug_info->iphoffset[i]);
2561
2562 /* SQPTR */
2563 /* Size varies with number of Tx queues */
2564 ugeth->send_q_mem_reg_offset =
2565 qe_muram_alloc(ug_info->numQueuesTx *
2566 sizeof(struct ucc_geth_send_queue_qd),
2567 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2568 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2569 if (netif_msg_ifup(ugeth))
2570 ugeth_err
2571 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2572 __func__);
2573 return -ENOMEM;
2574 }
2575
2576 ugeth->p_send_q_mem_reg =
2577 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2578 send_q_mem_reg_offset);
2579 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2580
2581 /* Setup the table */
2582 /* Assume BD rings are already established */
2583 for (i = 0; i < ug_info->numQueuesTx; i++) {
2584 endOfRing =
2585 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2586 1) * sizeof(struct qe_bd);
2587 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2588 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2589 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2590 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2591 last_bd_completed_address,
2592 (u32) virt_to_phys(endOfRing));
2593 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2594 MEM_PART_MURAM) {
2595 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2596 (u32) immrbar_virt_to_phys(ugeth->
2597 p_tx_bd_ring[i]));
2598 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2599 last_bd_completed_address,
2600 (u32) immrbar_virt_to_phys(endOfRing));
2601 }
2602 }
2603
2604 /* schedulerbasepointer */
2605
2606 if (ug_info->numQueuesTx > 1) {
2607 /* scheduler exists only if more than 1 tx queue */
2608 ugeth->scheduler_offset =
2609 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2610 UCC_GETH_SCHEDULER_ALIGNMENT);
2611 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2612 if (netif_msg_ifup(ugeth))
2613 ugeth_err
2614 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2615 __func__);
2616 return -ENOMEM;
2617 }
2618
2619 ugeth->p_scheduler =
2620 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2621 scheduler_offset);
2622 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2623 ugeth->scheduler_offset);
2624 /* Zero out p_scheduler */
2625 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2626
2627 /* Set values in scheduler */
2628 out_be32(&ugeth->p_scheduler->mblinterval,
2629 ug_info->mblinterval);
2630 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2631 ug_info->nortsrbytetime);
2632 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2633 out_8(&ugeth->p_scheduler->strictpriorityq,
2634 ug_info->strictpriorityq);
2635 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2636 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2637 for (i = 0; i < NUM_TX_QUEUES; i++)
2638 out_8(&ugeth->p_scheduler->weightfactor[i],
2639 ug_info->weightfactor[i]);
2640
2641 /* Set pointers to cpucount registers in scheduler */
2642 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2643 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2644 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2645 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2646 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2647 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2648 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2649 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2650 }
2651
2652 /* schedulerbasepointer */
2653 /* TxRMON_PTR (statistics) */
2654 if (ug_info->
2655 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2656 ugeth->tx_fw_statistics_pram_offset =
2657 qe_muram_alloc(sizeof
2658 (struct ucc_geth_tx_firmware_statistics_pram),
2659 UCC_GETH_TX_STATISTICS_ALIGNMENT);
2660 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2661 if (netif_msg_ifup(ugeth))
2662 ugeth_err
2663 ("%s: Can not allocate DPRAM memory for"
2664 " p_tx_fw_statistics_pram.",
2665 __func__);
2666 return -ENOMEM;
2667 }
2668 ugeth->p_tx_fw_statistics_pram =
2669 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2670 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2671 /* Zero out p_tx_fw_statistics_pram */
2672 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2673 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2674 }
2675
2676 /* temoder */
2677 /* Already has speed set */
2678
2679 if (ug_info->numQueuesTx > 1)
2680 temoder |= TEMODER_SCHEDULER_ENABLE;
2681 if (ug_info->ipCheckSumGenerate)
2682 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2683 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2684 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2685
2686 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2687
2688 /* Function code register value to be used later */
2689 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2690 /* Required for QE */
2691
2692 /* function code register */
2693 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2694
2695 /* Rx global PRAM */
2696 /* Allocate global rx parameter RAM page */
2697 ugeth->rx_glbl_pram_offset =
2698 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2699 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2700 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2701 if (netif_msg_ifup(ugeth))
2702 ugeth_err
2703 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2704 __func__);
2705 return -ENOMEM;
2706 }
2707 ugeth->p_rx_glbl_pram =
2708 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2709 rx_glbl_pram_offset);
2710 /* Zero out p_rx_glbl_pram */
2711 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2712
2713 /* Fill global PRAM */
2714
2715 /* RQPTR */
2716 /* Size varies with number of Rx threads */
2717 ugeth->thread_dat_rx_offset =
2718 qe_muram_alloc(numThreadsRxNumerical *
2719 sizeof(struct ucc_geth_thread_data_rx),
2720 UCC_GETH_THREAD_DATA_ALIGNMENT);
2721 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2722 if (netif_msg_ifup(ugeth))
2723 ugeth_err
2724 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2725 __func__);
2726 return -ENOMEM;
2727 }
2728
2729 ugeth->p_thread_data_rx =
2730 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2731 thread_dat_rx_offset);
2732 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2733
2734 /* typeorlen */
2735 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2736
2737 /* rxrmonbaseptr (statistics) */
2738 if (ug_info->
2739 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2740 ugeth->rx_fw_statistics_pram_offset =
2741 qe_muram_alloc(sizeof
2742 (struct ucc_geth_rx_firmware_statistics_pram),
2743 UCC_GETH_RX_STATISTICS_ALIGNMENT);
2744 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2745 if (netif_msg_ifup(ugeth))
2746 ugeth_err
2747 ("%s: Can not allocate DPRAM memory for"
2748 " p_rx_fw_statistics_pram.", __func__);
2749 return -ENOMEM;
2750 }
2751 ugeth->p_rx_fw_statistics_pram =
2752 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2753 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2754 /* Zero out p_rx_fw_statistics_pram */
2755 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2756 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2757 }
2758
2759 /* intCoalescingPtr */
2760
2761 /* Size varies with number of Rx queues */
2762 ugeth->rx_irq_coalescing_tbl_offset =
2763 qe_muram_alloc(ug_info->numQueuesRx *
2764 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2765 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2766 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2767 if (netif_msg_ifup(ugeth))
2768 ugeth_err
2769 ("%s: Can not allocate DPRAM memory for"
2770 " p_rx_irq_coalescing_tbl.", __func__);
2771 return -ENOMEM;
2772 }
2773
2774 ugeth->p_rx_irq_coalescing_tbl =
2775 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2776 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2777 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2778 ugeth->rx_irq_coalescing_tbl_offset);
2779
2780 /* Fill interrupt coalescing table */
2781 for (i = 0; i < ug_info->numQueuesRx; i++) {
2782 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2783 interruptcoalescingmaxvalue,
2784 ug_info->interruptcoalescingmaxvalue[i]);
2785 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2786 interruptcoalescingcounter,
2787 ug_info->interruptcoalescingmaxvalue[i]);
2788 }
2789
2790 /* MRBLR */
2791 init_max_rx_buff_len(uf_info->max_rx_buf_length,
2792 &ugeth->p_rx_glbl_pram->mrblr);
2793 /* MFLR */
2794 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2795 /* MINFLR */
2796 init_min_frame_len(ug_info->minFrameLength,
2797 &ugeth->p_rx_glbl_pram->minflr,
2798 &ugeth->p_rx_glbl_pram->mrblr);
2799 /* MAXD1 */
2800 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2801 /* MAXD2 */
2802 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2803
2804 /* l2qt */
2805 l2qt = 0;
2806 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2807 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2808 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2809
2810 /* l3qt */
2811 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2812 l3qt = 0;
2813 for (i = 0; i < 8; i++)
2814 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
2815 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
2816 }
2817
2818 /* vlantype */
2819 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2820
2821 /* vlantci */
2822 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2823
2824 /* ecamptr */
2825 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2826
2827 /* RBDQPTR */
2828 /* Size varies with number of Rx queues */
2829 ugeth->rx_bd_qs_tbl_offset =
2830 qe_muram_alloc(ug_info->numQueuesRx *
2831 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2832 sizeof(struct ucc_geth_rx_prefetched_bds)),
2833 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
2834 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
2835 if (netif_msg_ifup(ugeth))
2836 ugeth_err
2837 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
2838 __func__);
2839 return -ENOMEM;
2840 }
2841
2842 ugeth->p_rx_bd_qs_tbl =
2843 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
2844 rx_bd_qs_tbl_offset);
2845 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2846 /* Zero out p_rx_bd_qs_tbl */
2847 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
2848 0,
2849 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2850 sizeof(struct ucc_geth_rx_prefetched_bds)));
2851
2852 /* Setup the table */
2853 /* Assume BD rings are already established */
2854 for (i = 0; i < ug_info->numQueuesRx; i++) {
2855 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2856 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2857 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2858 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2859 MEM_PART_MURAM) {
2860 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2861 (u32) immrbar_virt_to_phys(ugeth->
2862 p_rx_bd_ring[i]));
2863 }
2864 /* rest of fields handled by QE */
2865 }
2866
2867 /* remoder */
2868 /* Already has speed set */
2869
2870 if (ugeth->rx_extended_features)
2871 remoder |= REMODER_RX_EXTENDED_FEATURES;
2872 if (ug_info->rxExtendedFiltering)
2873 remoder |= REMODER_RX_EXTENDED_FILTERING;
2874 if (ug_info->dynamicMaxFrameLength)
2875 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2876 if (ug_info->dynamicMinFrameLength)
2877 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2878 remoder |=
2879 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2880 remoder |=
2881 ug_info->
2882 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2883 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2884 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2885 if (ug_info->ipCheckSumCheck)
2886 remoder |= REMODER_IP_CHECKSUM_CHECK;
2887 if (ug_info->ipAddressAlignment)
2888 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2889 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2890
2891 /* Note that this function must be called */
2892 /* ONLY AFTER p_tx_fw_statistics_pram */
2893 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2894 init_firmware_statistics_gathering_mode((ug_info->
2895 statisticsMode &
2896 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2897 (ug_info->statisticsMode &
2898 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2899 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2900 ugeth->tx_fw_statistics_pram_offset,
2901 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2902 ugeth->rx_fw_statistics_pram_offset,
2903 &ugeth->p_tx_glbl_pram->temoder,
2904 &ugeth->p_rx_glbl_pram->remoder);
2905
2906 /* function code register */
2907 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
2908
2909 /* initialize extended filtering */
2910 if (ug_info->rxExtendedFiltering) {
2911 if (!ug_info->extendedFilteringChainPointer) {
2912 if (netif_msg_ifup(ugeth))
2913 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
2914 __func__);
2915 return -EINVAL;
2916 }
2917
2918 /* Allocate memory for extended filtering Mode Global
2919 Parameters */
2920 ugeth->exf_glbl_param_offset =
2921 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
2922 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
2923 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
2924 if (netif_msg_ifup(ugeth))
2925 ugeth_err
2926 ("%s: Can not allocate DPRAM memory for"
2927 " p_exf_glbl_param.", __func__);
2928 return -ENOMEM;
2929 }
2930
2931 ugeth->p_exf_glbl_param =
2932 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
2933 exf_glbl_param_offset);
2934 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2935 ugeth->exf_glbl_param_offset);
2936 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2937 (u32) ug_info->extendedFilteringChainPointer);
2938
2939 } else { /* initialize 82xx style address filtering */
2940
2941 /* Init individual address recognition registers to disabled */
2942
2943 for (j = 0; j < NUM_OF_PADDRS; j++)
2944 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2945
2946 p_82xx_addr_filt =
2947 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2948 p_rx_glbl_pram->addressfiltering;
2949
2950 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2951 ENET_ADDR_TYPE_GROUP);
2952 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2953 ENET_ADDR_TYPE_INDIVIDUAL);
2954 }
2955
2956 /*
2957 * Initialize UCC at QE level
2958 */
2959
2960 command = QE_INIT_TX_RX;
2961
2962 /* Allocate shadow InitEnet command parameter structure.
2963 * This is needed because after the InitEnet command is executed,
2964 * the structure in DPRAM is released, because DPRAM is a premium
2965 * resource.
2966 * This shadow structure keeps a copy of what was done so that the
2967 * allocated resources can be released when the channel is freed.
2968 */
2969 if (!(ugeth->p_init_enet_param_shadow =
2970 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
2971 if (netif_msg_ifup(ugeth))
2972 ugeth_err
2973 ("%s: Can not allocate memory for"
2974 " p_UccInitEnetParamShadows.", __func__);
2975 return -ENOMEM;
2976 }
2977 /* Zero out *p_init_enet_param_shadow */
2978 memset((char *)ugeth->p_init_enet_param_shadow,
2979 0, sizeof(struct ucc_geth_init_pram));
2980
2981 /* Fill shadow InitEnet command parameter structure */
2982
2983 ugeth->p_init_enet_param_shadow->resinit1 =
2984 ENET_INIT_PARAM_MAGIC_RES_INIT1;
2985 ugeth->p_init_enet_param_shadow->resinit2 =
2986 ENET_INIT_PARAM_MAGIC_RES_INIT2;
2987 ugeth->p_init_enet_param_shadow->resinit3 =
2988 ENET_INIT_PARAM_MAGIC_RES_INIT3;
2989 ugeth->p_init_enet_param_shadow->resinit4 =
2990 ENET_INIT_PARAM_MAGIC_RES_INIT4;
2991 ugeth->p_init_enet_param_shadow->resinit5 =
2992 ENET_INIT_PARAM_MAGIC_RES_INIT5;
2993 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2994 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2995 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2996 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2997
2998 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2999 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3000 if ((ug_info->largestexternallookupkeysize !=
3001 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) &&
3002 (ug_info->largestexternallookupkeysize !=
3003 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) &&
3004 (ug_info->largestexternallookupkeysize !=
3005 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3006 if (netif_msg_ifup(ugeth))
3007 ugeth_err("%s: Invalid largest External Lookup Key Size.",
3008 __func__);
3009 return -EINVAL;
3010 }
3011 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3012 ug_info->largestexternallookupkeysize;
3013 size = sizeof(struct ucc_geth_thread_rx_pram);
3014 if (ug_info->rxExtendedFiltering) {
3015 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3016 if (ug_info->largestexternallookupkeysize ==
3017 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3018 size +=
3019 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3020 if (ug_info->largestexternallookupkeysize ==
3021 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3022 size +=
3023 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3024 }
3025
3026 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3027 p_init_enet_param_shadow->rxthread[0]),
3028 (u8) (numThreadsRxNumerical + 1)
3029 /* Rx needs one extra for terminator */
3030 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3031 ug_info->riscRx, 1)) != 0) {
3032 if (netif_msg_ifup(ugeth))
3033 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3034 __func__);
3035 return ret_val;
3036 }
3037
3038 ugeth->p_init_enet_param_shadow->txglobal =
3039 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3040 if ((ret_val =
3041 fill_init_enet_entries(ugeth,
3042 &(ugeth->p_init_enet_param_shadow->
3043 txthread[0]), numThreadsTxNumerical,
3044 sizeof(struct ucc_geth_thread_tx_pram),
3045 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3046 ug_info->riscTx, 0)) != 0) {
3047 if (netif_msg_ifup(ugeth))
3048 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3049 __func__);
3050 return ret_val;
3051 }
3052
3053 /* Load Rx bds with buffers */
3054 for (i = 0; i < ug_info->numQueuesRx; i++) {
3055 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3056 if (netif_msg_ifup(ugeth))
3057 ugeth_err("%s: Can not fill Rx bds with buffers.",
3058 __func__);
3059 return ret_val;
3060 }
3061 }
3062
3063 /* Allocate InitEnet command parameter structure */
3064 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3065 if (IS_ERR_VALUE(init_enet_pram_offset)) {
3066 if (netif_msg_ifup(ugeth))
3067 ugeth_err
3068 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3069 __func__);
3070 return -ENOMEM;
3071 }
3072 p_init_enet_pram =
3073 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3074
3075 /* Copy shadow InitEnet command parameter structure into PRAM */
3076 out_8(&p_init_enet_pram->resinit1,
3077 ugeth->p_init_enet_param_shadow->resinit1);
3078 out_8(&p_init_enet_pram->resinit2,
3079 ugeth->p_init_enet_param_shadow->resinit2);
3080 out_8(&p_init_enet_pram->resinit3,
3081 ugeth->p_init_enet_param_shadow->resinit3);
3082 out_8(&p_init_enet_pram->resinit4,
3083 ugeth->p_init_enet_param_shadow->resinit4);
3084 out_be16(&p_init_enet_pram->resinit5,
3085 ugeth->p_init_enet_param_shadow->resinit5);
3086 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3087 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3088 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3089 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3090 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3091 out_be32(&p_init_enet_pram->rxthread[i],
3092 ugeth->p_init_enet_param_shadow->rxthread[i]);
3093 out_be32(&p_init_enet_pram->txglobal,
3094 ugeth->p_init_enet_param_shadow->txglobal);
3095 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3096 out_be32(&p_init_enet_pram->txthread[i],
3097 ugeth->p_init_enet_param_shadow->txthread[i]);
3098
3099 /* Issue QE command */
3100 cecr_subblock =
3101 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3102 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3103 init_enet_pram_offset);
3104
3105 /* Free InitEnet command parameter */
3106 qe_muram_free(init_enet_pram_offset);
3107
3108 return 0;
3109 }
3110
3111 /* This is called by the kernel when a frame is ready for transmission. */
3112 /* It is pointed to by the dev->hard_start_xmit function pointer */
3113 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3114 {
3115 struct ucc_geth_private *ugeth = netdev_priv(dev);
3116 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3117 struct ucc_fast_private *uccf;
3118 #endif
3119 u8 __iomem *bd; /* BD pointer */
3120 u32 bd_status;
3121 u8 txQ = 0;
3122 unsigned long flags;
3123
3124 ugeth_vdbg("%s: IN", __func__);
3125
3126 spin_lock_irqsave(&ugeth->lock, flags);
3127
3128 dev->stats.tx_bytes += skb->len;
3129
3130 /* Start from the next BD that should be filled */
3131 bd = ugeth->txBd[txQ];
3132 bd_status = in_be32((u32 __iomem *)bd);
3133 /* Save the skb pointer so we can free it later */
3134 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3135
3136 /* Update the current skb pointer (wrapping if this was the last) */
3137 ugeth->skb_curtx[txQ] =
3138 (ugeth->skb_curtx[txQ] +
3139 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3140
3141 /* set up the buffer descriptor */
3142 out_be32(&((struct qe_bd __iomem *)bd)->buf,
3143 dma_map_single(ugeth->dev, skb->data,
3144 skb->len, DMA_TO_DEVICE));
3145
3146 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3147
3148 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3149
3150 /* set bd status and length */
3151 out_be32((u32 __iomem *)bd, bd_status);
3152
3153 /* Move to next BD in the ring */
3154 if (!(bd_status & T_W))
3155 bd += sizeof(struct qe_bd);
3156 else
3157 bd = ugeth->p_tx_bd_ring[txQ];
3158
3159 /* If the next BD still needs to be cleaned up, then the bds
3160 are full. We need to tell the kernel to stop sending us stuff. */
3161 if (bd == ugeth->confBd[txQ]) {
3162 if (!netif_queue_stopped(dev))
3163 netif_stop_queue(dev);
3164 }
3165
3166 ugeth->txBd[txQ] = bd;
3167
3168 if (ugeth->p_scheduler) {
3169 ugeth->cpucount[txQ]++;
3170 /* Indicate to QE that there are more Tx bds ready for
3171 transmission */
3172 /* This is done by writing a running counter of the bd
3173 count to the scheduler PRAM. */
3174 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3175 }
3176
3177 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3178 uccf = ugeth->uccf;
3179 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3180 #endif
3181 spin_unlock_irqrestore(&ugeth->lock, flags);
3182
3183 return NETDEV_TX_OK;
3184 }
3185
3186 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3187 {
3188 struct sk_buff *skb;
3189 u8 __iomem *bd;
3190 u16 length, howmany = 0;
3191 u32 bd_status;
3192 u8 *bdBuffer;
3193 struct net_device *dev;
3194
3195 ugeth_vdbg("%s: IN", __func__);
3196
3197 dev = ugeth->ndev;
3198
3199 /* collect received buffers */
3200 bd = ugeth->rxBd[rxQ];
3201
3202 bd_status = in_be32((u32 __iomem *)bd);
3203
3204 /* while there are received buffers and BD is full (~R_E) */
3205 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3206 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3207 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3208 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3209
3210 /* determine whether buffer is first, last, first and last
3211 (single buffer frame) or middle (not first and not last) */
3212 if (!skb ||
3213 (!(bd_status & (R_F | R_L))) ||
3214 (bd_status & R_ERRORS_FATAL)) {
3215 if (netif_msg_rx_err(ugeth))
3216 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3217 __func__, __LINE__, (u32) skb);
3218 if (skb) {
3219 skb->data = skb->head + NET_SKB_PAD;
3220 skb->len = 0;
3221 skb_reset_tail_pointer(skb);
3222 __skb_queue_head(&ugeth->rx_recycle, skb);
3223 }
3224
3225 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3226 dev->stats.rx_dropped++;
3227 } else {
3228 dev->stats.rx_packets++;
3229 howmany++;
3230
3231 /* Prep the skb for the packet */
3232 skb_put(skb, length);
3233
3234 /* Tell the skb what kind of packet this is */
3235 skb->protocol = eth_type_trans(skb, ugeth->ndev);
3236
3237 dev->stats.rx_bytes += length;
3238 /* Send the packet up the stack */
3239 netif_receive_skb(skb);
3240 }
3241
3242 skb = get_new_skb(ugeth, bd);
3243 if (!skb) {
3244 if (netif_msg_rx_err(ugeth))
3245 ugeth_warn("%s: No Rx Data Buffer", __func__);
3246 dev->stats.rx_dropped++;
3247 break;
3248 }
3249
3250 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3251
3252 /* update to point at the next skb */
3253 ugeth->skb_currx[rxQ] =
3254 (ugeth->skb_currx[rxQ] +
3255 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3256
3257 if (bd_status & R_W)
3258 bd = ugeth->p_rx_bd_ring[rxQ];
3259 else
3260 bd += sizeof(struct qe_bd);
3261
3262 bd_status = in_be32((u32 __iomem *)bd);
3263 }
3264
3265 ugeth->rxBd[rxQ] = bd;
3266 return howmany;
3267 }
3268
3269 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3270 {
3271 /* Start from the next BD that should be filled */
3272 struct ucc_geth_private *ugeth = netdev_priv(dev);
3273 u8 __iomem *bd; /* BD pointer */
3274 u32 bd_status;
3275
3276 bd = ugeth->confBd[txQ];
3277 bd_status = in_be32((u32 __iomem *)bd);
3278
3279 /* Normal processing. */
3280 while ((bd_status & T_R) == 0) {
3281 struct sk_buff *skb;
3282
3283 /* BD contains already transmitted buffer. */
3284 /* Handle the transmitted buffer and release */
3285 /* the BD to be used with the current frame */
3286
3287 skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]];
3288 if (!skb)
3289 break;
3290
3291 dev->stats.tx_packets++;
3292
3293 if (skb_queue_len(&ugeth->rx_recycle) < RX_BD_RING_LEN &&
3294 skb_recycle_check(skb,
3295 ugeth->ug_info->uf_info.max_rx_buf_length +
3296 UCC_GETH_RX_DATA_BUF_ALIGNMENT))
3297 __skb_queue_head(&ugeth->rx_recycle, skb);
3298 else
3299 dev_kfree_skb(skb);
3300
3301 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3302 ugeth->skb_dirtytx[txQ] =
3303 (ugeth->skb_dirtytx[txQ] +
3304 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3305
3306 /* We freed a buffer, so now we can restart transmission */
3307 if (netif_queue_stopped(dev))
3308 netif_wake_queue(dev);
3309
3310 /* Advance the confirmation BD pointer */
3311 if (!(bd_status & T_W))
3312 bd += sizeof(struct qe_bd);
3313 else
3314 bd = ugeth->p_tx_bd_ring[txQ];
3315 bd_status = in_be32((u32 __iomem *)bd);
3316 }
3317 ugeth->confBd[txQ] = bd;
3318 return 0;
3319 }
3320
3321 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3322 {
3323 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3324 struct ucc_geth_info *ug_info;
3325 int howmany, i;
3326
3327 ug_info = ugeth->ug_info;
3328
3329 /* Tx event processing */
3330 spin_lock(&ugeth->lock);
3331 for (i = 0; i < ug_info->numQueuesTx; i++)
3332 ucc_geth_tx(ugeth->ndev, i);
3333 spin_unlock(&ugeth->lock);
3334
3335 howmany = 0;
3336 for (i = 0; i < ug_info->numQueuesRx; i++)
3337 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3338
3339 if (howmany < budget) {
3340 napi_complete(napi);
3341 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3342 }
3343
3344 return howmany;
3345 }
3346
3347 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3348 {
3349 struct net_device *dev = info;
3350 struct ucc_geth_private *ugeth = netdev_priv(dev);
3351 struct ucc_fast_private *uccf;
3352 struct ucc_geth_info *ug_info;
3353 register u32 ucce;
3354 register u32 uccm;
3355
3356 ugeth_vdbg("%s: IN", __func__);
3357
3358 uccf = ugeth->uccf;
3359 ug_info = ugeth->ug_info;
3360
3361 /* read and clear events */
3362 ucce = (u32) in_be32(uccf->p_ucce);
3363 uccm = (u32) in_be32(uccf->p_uccm);
3364 ucce &= uccm;
3365 out_be32(uccf->p_ucce, ucce);
3366
3367 /* check for receive events that require processing */
3368 if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) {
3369 if (napi_schedule_prep(&ugeth->napi)) {
3370 uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3371 out_be32(uccf->p_uccm, uccm);
3372 __napi_schedule(&ugeth->napi);
3373 }
3374 }
3375
3376 /* Errors and other events */
3377 if (ucce & UCCE_OTHER) {
3378 if (ucce & UCC_GETH_UCCE_BSY)
3379 dev->stats.rx_errors++;
3380 if (ucce & UCC_GETH_UCCE_TXE)
3381 dev->stats.tx_errors++;
3382 }
3383
3384 return IRQ_HANDLED;
3385 }
3386
3387 #ifdef CONFIG_NET_POLL_CONTROLLER
3388 /*
3389 * Polling 'interrupt' - used by things like netconsole to send skbs
3390 * without having to re-enable interrupts. It's not called while
3391 * the interrupt routine is executing.
3392 */
3393 static void ucc_netpoll(struct net_device *dev)
3394 {
3395 struct ucc_geth_private *ugeth = netdev_priv(dev);
3396 int irq = ugeth->ug_info->uf_info.irq;
3397
3398 disable_irq(irq);
3399 ucc_geth_irq_handler(irq, dev);
3400 enable_irq(irq);
3401 }
3402 #endif /* CONFIG_NET_POLL_CONTROLLER */
3403
3404 static int ucc_geth_set_mac_addr(struct net_device *dev, void *p)
3405 {
3406 struct ucc_geth_private *ugeth = netdev_priv(dev);
3407 struct sockaddr *addr = p;
3408
3409 if (!is_valid_ether_addr(addr->sa_data))
3410 return -EADDRNOTAVAIL;
3411
3412 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3413
3414 /*
3415 * If device is not running, we will set mac addr register
3416 * when opening the device.
3417 */
3418 if (!netif_running(dev))
3419 return 0;
3420
3421 spin_lock_irq(&ugeth->lock);
3422 init_mac_station_addr_regs(dev->dev_addr[0],
3423 dev->dev_addr[1],
3424 dev->dev_addr[2],
3425 dev->dev_addr[3],
3426 dev->dev_addr[4],
3427 dev->dev_addr[5],
3428 &ugeth->ug_regs->macstnaddr1,
3429 &ugeth->ug_regs->macstnaddr2);
3430 spin_unlock_irq(&ugeth->lock);
3431
3432 return 0;
3433 }
3434
3435 static int ucc_geth_init_mac(struct ucc_geth_private *ugeth)
3436 {
3437 struct net_device *dev = ugeth->ndev;
3438 int err;
3439
3440 err = ucc_struct_init(ugeth);
3441 if (err) {
3442 if (netif_msg_ifup(ugeth))
3443 ugeth_err("%s: Cannot configure internal struct, "
3444 "aborting.", dev->name);
3445 goto err;
3446 }
3447
3448 err = ucc_geth_startup(ugeth);
3449 if (err) {
3450 if (netif_msg_ifup(ugeth))
3451 ugeth_err("%s: Cannot configure net device, aborting.",
3452 dev->name);
3453 goto err;
3454 }
3455
3456 err = adjust_enet_interface(ugeth);
3457 if (err) {
3458 if (netif_msg_ifup(ugeth))
3459 ugeth_err("%s: Cannot configure net device, aborting.",
3460 dev->name);
3461 goto err;
3462 }
3463
3464 /* Set MACSTNADDR1, MACSTNADDR2 */
3465 /* For more details see the hardware spec. */
3466 init_mac_station_addr_regs(dev->dev_addr[0],
3467 dev->dev_addr[1],
3468 dev->dev_addr[2],
3469 dev->dev_addr[3],
3470 dev->dev_addr[4],
3471 dev->dev_addr[5],
3472 &ugeth->ug_regs->macstnaddr1,
3473 &ugeth->ug_regs->macstnaddr2);
3474
3475 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3476 if (err) {
3477 if (netif_msg_ifup(ugeth))
3478 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3479 goto err;
3480 }
3481
3482 return 0;
3483 err:
3484 ucc_geth_stop(ugeth);
3485 return err;
3486 }
3487
3488 /* Called when something needs to use the ethernet device */
3489 /* Returns 0 for success. */
3490 static int ucc_geth_open(struct net_device *dev)
3491 {
3492 struct ucc_geth_private *ugeth = netdev_priv(dev);
3493 int err;
3494
3495 ugeth_vdbg("%s: IN", __func__);
3496
3497 /* Test station address */
3498 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3499 if (netif_msg_ifup(ugeth))
3500 ugeth_err("%s: Multicast address used for station "
3501 "address - is this what you wanted?",
3502 __func__);
3503 return -EINVAL;
3504 }
3505
3506 err = init_phy(dev);
3507 if (err) {
3508 if (netif_msg_ifup(ugeth))
3509 ugeth_err("%s: Cannot initialize PHY, aborting.",
3510 dev->name);
3511 return err;
3512 }
3513
3514 err = ucc_geth_init_mac(ugeth);
3515 if (err) {
3516 if (netif_msg_ifup(ugeth))
3517 ugeth_err("%s: Cannot initialize MAC, aborting.",
3518 dev->name);
3519 goto err;
3520 }
3521
3522 err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3523 0, "UCC Geth", dev);
3524 if (err) {
3525 if (netif_msg_ifup(ugeth))
3526 ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3527 dev->name);
3528 goto err;
3529 }
3530
3531 phy_start(ugeth->phydev);
3532 napi_enable(&ugeth->napi);
3533 netif_start_queue(dev);
3534
3535 device_set_wakeup_capable(&dev->dev,
3536 qe_alive_during_sleep() || ugeth->phydev->irq);
3537 device_set_wakeup_enable(&dev->dev, ugeth->wol_en);
3538
3539 return err;
3540
3541 err:
3542 ucc_geth_stop(ugeth);
3543 return err;
3544 }
3545
3546 /* Stops the kernel queue, and halts the controller */
3547 static int ucc_geth_close(struct net_device *dev)
3548 {
3549 struct ucc_geth_private *ugeth = netdev_priv(dev);
3550
3551 ugeth_vdbg("%s: IN", __func__);
3552
3553 napi_disable(&ugeth->napi);
3554
3555 cancel_work_sync(&ugeth->timeout_work);
3556 ucc_geth_stop(ugeth);
3557 phy_disconnect(ugeth->phydev);
3558 ugeth->phydev = NULL;
3559
3560 free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev);
3561
3562 netif_stop_queue(dev);
3563
3564 return 0;
3565 }
3566
3567 /* Reopen device. This will reset the MAC and PHY. */
3568 static void ucc_geth_timeout_work(struct work_struct *work)
3569 {
3570 struct ucc_geth_private *ugeth;
3571 struct net_device *dev;
3572
3573 ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3574 dev = ugeth->ndev;
3575
3576 ugeth_vdbg("%s: IN", __func__);
3577
3578 dev->stats.tx_errors++;
3579
3580 ugeth_dump_regs(ugeth);
3581
3582 if (dev->flags & IFF_UP) {
3583 /*
3584 * Must reset MAC *and* PHY. This is done by reopening
3585 * the device.
3586 */
3587 netif_tx_stop_all_queues(dev);
3588 ucc_geth_stop(ugeth);
3589 ucc_geth_init_mac(ugeth);
3590 /* Must start PHY here */
3591 phy_start(ugeth->phydev);
3592 netif_tx_start_all_queues(dev);
3593 }
3594
3595 netif_tx_schedule_all(dev);
3596 }
3597
3598 /*
3599 * ucc_geth_timeout gets called when a packet has not been
3600 * transmitted after a set amount of time.
3601 */
3602 static void ucc_geth_timeout(struct net_device *dev)
3603 {
3604 struct ucc_geth_private *ugeth = netdev_priv(dev);
3605
3606 schedule_work(&ugeth->timeout_work);
3607 }
3608
3609
3610 #ifdef CONFIG_PM
3611
3612 static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state)
3613 {
3614 struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3615 struct ucc_geth_private *ugeth = netdev_priv(ndev);
3616
3617 if (!netif_running(ndev))
3618 return 0;
3619
3620 netif_device_detach(ndev);
3621 napi_disable(&ugeth->napi);
3622
3623 /*
3624 * Disable the controller, otherwise we'll wakeup on any network
3625 * activity.
3626 */
3627 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
3628
3629 if (ugeth->wol_en & WAKE_MAGIC) {
3630 setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3631 setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3632 ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3633 } else if (!(ugeth->wol_en & WAKE_PHY)) {
3634 phy_stop(ugeth->phydev);
3635 }
3636
3637 return 0;
3638 }
3639
3640 static int ucc_geth_resume(struct platform_device *ofdev)
3641 {
3642 struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3643 struct ucc_geth_private *ugeth = netdev_priv(ndev);
3644 int err;
3645
3646 if (!netif_running(ndev))
3647 return 0;
3648
3649 if (qe_alive_during_sleep()) {
3650 if (ugeth->wol_en & WAKE_MAGIC) {
3651 ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3652 clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3653 clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3654 }
3655 ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3656 } else {
3657 /*
3658 * Full reinitialization is required if QE shuts down
3659 * during sleep.
3660 */
3661 ucc_geth_memclean(ugeth);
3662
3663 err = ucc_geth_init_mac(ugeth);
3664 if (err) {
3665 ugeth_err("%s: Cannot initialize MAC, aborting.",
3666 ndev->name);
3667 return err;
3668 }
3669 }
3670
3671 ugeth->oldlink = 0;
3672 ugeth->oldspeed = 0;
3673 ugeth->oldduplex = -1;
3674
3675 phy_stop(ugeth->phydev);
3676 phy_start(ugeth->phydev);
3677
3678 napi_enable(&ugeth->napi);
3679 netif_device_attach(ndev);
3680
3681 return 0;
3682 }
3683
3684 #else
3685 #define ucc_geth_suspend NULL
3686 #define ucc_geth_resume NULL
3687 #endif
3688
3689 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3690 {
3691 if (strcasecmp(phy_connection_type, "mii") == 0)
3692 return PHY_INTERFACE_MODE_MII;
3693 if (strcasecmp(phy_connection_type, "gmii") == 0)
3694 return PHY_INTERFACE_MODE_GMII;
3695 if (strcasecmp(phy_connection_type, "tbi") == 0)
3696 return PHY_INTERFACE_MODE_TBI;
3697 if (strcasecmp(phy_connection_type, "rmii") == 0)
3698 return PHY_INTERFACE_MODE_RMII;
3699 if (strcasecmp(phy_connection_type, "rgmii") == 0)
3700 return PHY_INTERFACE_MODE_RGMII;
3701 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3702 return PHY_INTERFACE_MODE_RGMII_ID;
3703 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3704 return PHY_INTERFACE_MODE_RGMII_TXID;
3705 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3706 return PHY_INTERFACE_MODE_RGMII_RXID;
3707 if (strcasecmp(phy_connection_type, "rtbi") == 0)
3708 return PHY_INTERFACE_MODE_RTBI;
3709 if (strcasecmp(phy_connection_type, "sgmii") == 0)
3710 return PHY_INTERFACE_MODE_SGMII;
3711
3712 return PHY_INTERFACE_MODE_MII;
3713 }
3714
3715 static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3716 {
3717 struct ucc_geth_private *ugeth = netdev_priv(dev);
3718
3719 if (!netif_running(dev))
3720 return -EINVAL;
3721
3722 if (!ugeth->phydev)
3723 return -ENODEV;
3724
3725 return phy_mii_ioctl(ugeth->phydev, rq, cmd);
3726 }
3727
3728 static const struct net_device_ops ucc_geth_netdev_ops = {
3729 .ndo_open = ucc_geth_open,
3730 .ndo_stop = ucc_geth_close,
3731 .ndo_start_xmit = ucc_geth_start_xmit,
3732 .ndo_validate_addr = eth_validate_addr,
3733 .ndo_set_mac_address = ucc_geth_set_mac_addr,
3734 .ndo_change_mtu = eth_change_mtu,
3735 .ndo_set_multicast_list = ucc_geth_set_multi,
3736 .ndo_tx_timeout = ucc_geth_timeout,
3737 .ndo_do_ioctl = ucc_geth_ioctl,
3738 #ifdef CONFIG_NET_POLL_CONTROLLER
3739 .ndo_poll_controller = ucc_netpoll,
3740 #endif
3741 };
3742
3743 static int ucc_geth_probe(struct platform_device* ofdev)
3744 {
3745 struct device *device = &ofdev->dev;
3746 struct device_node *np = ofdev->dev.of_node;
3747 struct net_device *dev = NULL;
3748 struct ucc_geth_private *ugeth = NULL;
3749 struct ucc_geth_info *ug_info;
3750 struct resource res;
3751 int err, ucc_num, max_speed = 0;
3752 const unsigned int *prop;
3753 const char *sprop;
3754 const void *mac_addr;
3755 phy_interface_t phy_interface;
3756 static const int enet_to_speed[] = {
3757 SPEED_10, SPEED_10, SPEED_10,
3758 SPEED_100, SPEED_100, SPEED_100,
3759 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3760 };
3761 static const phy_interface_t enet_to_phy_interface[] = {
3762 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3763 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3764 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3765 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3766 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3767 PHY_INTERFACE_MODE_SGMII,
3768 };
3769
3770 ugeth_vdbg("%s: IN", __func__);
3771
3772 prop = of_get_property(np, "cell-index", NULL);
3773 if (!prop) {
3774 prop = of_get_property(np, "device-id", NULL);
3775 if (!prop)
3776 return -ENODEV;
3777 }
3778
3779 ucc_num = *prop - 1;
3780 if ((ucc_num < 0) || (ucc_num > 7))
3781 return -ENODEV;
3782
3783 ug_info = &ugeth_info[ucc_num];
3784 if (ug_info == NULL) {
3785 if (netif_msg_probe(&debug))
3786 ugeth_err("%s: [%d] Missing additional data!",
3787 __func__, ucc_num);
3788 return -ENODEV;
3789 }
3790
3791 ug_info->uf_info.ucc_num = ucc_num;
3792
3793 sprop = of_get_property(np, "rx-clock-name", NULL);
3794 if (sprop) {
3795 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3796 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3797 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3798 printk(KERN_ERR
3799 "ucc_geth: invalid rx-clock-name property\n");
3800 return -EINVAL;
3801 }
3802 } else {
3803 prop = of_get_property(np, "rx-clock", NULL);
3804 if (!prop) {
3805 /* If both rx-clock-name and rx-clock are missing,
3806 we want to tell people to use rx-clock-name. */
3807 printk(KERN_ERR
3808 "ucc_geth: missing rx-clock-name property\n");
3809 return -EINVAL;
3810 }
3811 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3812 printk(KERN_ERR
3813 "ucc_geth: invalid rx-clock propperty\n");
3814 return -EINVAL;
3815 }
3816 ug_info->uf_info.rx_clock = *prop;
3817 }
3818
3819 sprop = of_get_property(np, "tx-clock-name", NULL);
3820 if (sprop) {
3821 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3822 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3823 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3824 printk(KERN_ERR
3825 "ucc_geth: invalid tx-clock-name property\n");
3826 return -EINVAL;
3827 }
3828 } else {
3829 prop = of_get_property(np, "tx-clock", NULL);
3830 if (!prop) {
3831 printk(KERN_ERR
3832 "ucc_geth: missing tx-clock-name property\n");
3833 return -EINVAL;
3834 }
3835 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3836 printk(KERN_ERR
3837 "ucc_geth: invalid tx-clock property\n");
3838 return -EINVAL;
3839 }
3840 ug_info->uf_info.tx_clock = *prop;
3841 }
3842
3843 err = of_address_to_resource(np, 0, &res);
3844 if (err)
3845 return -EINVAL;
3846
3847 ug_info->uf_info.regs = res.start;
3848 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3849
3850 ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0);
3851
3852 /* Find the TBI PHY node. If it's not there, we don't support SGMII */
3853 ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0);
3854
3855 /* get the phy interface type, or default to MII */
3856 prop = of_get_property(np, "phy-connection-type", NULL);
3857 if (!prop) {
3858 /* handle interface property present in old trees */
3859 prop = of_get_property(ug_info->phy_node, "interface", NULL);
3860 if (prop != NULL) {
3861 phy_interface = enet_to_phy_interface[*prop];
3862 max_speed = enet_to_speed[*prop];
3863 } else
3864 phy_interface = PHY_INTERFACE_MODE_MII;
3865 } else {
3866 phy_interface = to_phy_interface((const char *)prop);
3867 }
3868
3869 /* get speed, or derive from PHY interface */
3870 if (max_speed == 0)
3871 switch (phy_interface) {
3872 case PHY_INTERFACE_MODE_GMII:
3873 case PHY_INTERFACE_MODE_RGMII:
3874 case PHY_INTERFACE_MODE_RGMII_ID:
3875 case PHY_INTERFACE_MODE_RGMII_RXID:
3876 case PHY_INTERFACE_MODE_RGMII_TXID:
3877 case PHY_INTERFACE_MODE_TBI:
3878 case PHY_INTERFACE_MODE_RTBI:
3879 case PHY_INTERFACE_MODE_SGMII:
3880 max_speed = SPEED_1000;
3881 break;
3882 default:
3883 max_speed = SPEED_100;
3884 break;
3885 }
3886
3887 if (max_speed == SPEED_1000) {
3888 /* configure muram FIFOs for gigabit operation */
3889 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3890 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3891 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3892 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3893 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3894 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3895 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3896
3897 /* If QE's snum number is 46 which means we need to support
3898 * 4 UECs at 1000Base-T simultaneously, we need to allocate
3899 * more Threads to Rx.
3900 */
3901 if (qe_get_num_of_snums() == 46)
3902 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6;
3903 else
3904 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3905 }
3906
3907 if (netif_msg_probe(&debug))
3908 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d)\n",
3909 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3910 ug_info->uf_info.irq);
3911
3912 /* Create an ethernet device instance */
3913 dev = alloc_etherdev(sizeof(*ugeth));
3914
3915 if (dev == NULL)
3916 return -ENOMEM;
3917
3918 ugeth = netdev_priv(dev);
3919 spin_lock_init(&ugeth->lock);
3920
3921 /* Create CQs for hash tables */
3922 INIT_LIST_HEAD(&ugeth->group_hash_q);
3923 INIT_LIST_HEAD(&ugeth->ind_hash_q);
3924
3925 dev_set_drvdata(device, dev);
3926
3927 /* Set the dev->base_addr to the gfar reg region */
3928 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3929
3930 SET_NETDEV_DEV(dev, device);
3931
3932 /* Fill in the dev structure */
3933 uec_set_ethtool_ops(dev);
3934 dev->netdev_ops = &ucc_geth_netdev_ops;
3935 dev->watchdog_timeo = TX_TIMEOUT;
3936 INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
3937 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64);
3938 dev->mtu = 1500;
3939
3940 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3941 ugeth->phy_interface = phy_interface;
3942 ugeth->max_speed = max_speed;
3943
3944 err = register_netdev(dev);
3945 if (err) {
3946 if (netif_msg_probe(ugeth))
3947 ugeth_err("%s: Cannot register net device, aborting.",
3948 dev->name);
3949 free_netdev(dev);
3950 return err;
3951 }
3952
3953 mac_addr = of_get_mac_address(np);
3954 if (mac_addr)
3955 memcpy(dev->dev_addr, mac_addr, 6);
3956
3957 ugeth->ug_info = ug_info;
3958 ugeth->dev = device;
3959 ugeth->ndev = dev;
3960 ugeth->node = np;
3961
3962 return 0;
3963 }
3964
3965 static int ucc_geth_remove(struct platform_device* ofdev)
3966 {
3967 struct device *device = &ofdev->dev;
3968 struct net_device *dev = dev_get_drvdata(device);
3969 struct ucc_geth_private *ugeth = netdev_priv(dev);
3970
3971 unregister_netdev(dev);
3972 free_netdev(dev);
3973 ucc_geth_memclean(ugeth);
3974 dev_set_drvdata(device, NULL);
3975
3976 return 0;
3977 }
3978
3979 static struct of_device_id ucc_geth_match[] = {
3980 {
3981 .type = "network",
3982 .compatible = "ucc_geth",
3983 },
3984 {},
3985 };
3986
3987 MODULE_DEVICE_TABLE(of, ucc_geth_match);
3988
3989 static struct platform_driver ucc_geth_driver = {
3990 .driver = {
3991 .name = DRV_NAME,
3992 .owner = THIS_MODULE,
3993 .of_match_table = ucc_geth_match,
3994 },
3995 .probe = ucc_geth_probe,
3996 .remove = ucc_geth_remove,
3997 .suspend = ucc_geth_suspend,
3998 .resume = ucc_geth_resume,
3999 };
4000
4001 static int __init ucc_geth_init(void)
4002 {
4003 int i, ret;
4004
4005 if (netif_msg_drv(&debug))
4006 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4007 for (i = 0; i < 8; i++)
4008 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4009 sizeof(ugeth_primary_info));
4010
4011 ret = platform_driver_register(&ucc_geth_driver);
4012
4013 return ret;
4014 }
4015
4016 static void __exit ucc_geth_exit(void)
4017 {
4018 platform_driver_unregister(&ucc_geth_driver);
4019 }
4020
4021 module_init(ucc_geth_init);
4022 module_exit(ucc_geth_exit);
4023
4024 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4025 MODULE_DESCRIPTION(DRV_DESC);
4026 MODULE_VERSION(DRV_VERSION);
4027 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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