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ucc_geth: Fix deadlock
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / ucc_geth.c
blobacbdab3d66caa70081e30b87f41e5e82c7d88b33
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_platform.h>
32
33 #include <asm/uaccess.h>
34 #include <asm/irq.h>
35 #include <asm/io.h>
36 #include <asm/immap_qe.h>
37 #include <asm/qe.h>
38 #include <asm/ucc.h>
39 #include <asm/ucc_fast.h>
40 #include <asm/machdep.h>
41
42 #include "ucc_geth.h"
43 #include "fsl_pq_mdio.h"
44
45 #undef DEBUG
46
47 #define ugeth_printk(level, format, arg...) \
48 printk(level format "\n", ## arg)
49
50 #define ugeth_dbg(format, arg...) \
51 ugeth_printk(KERN_DEBUG , format , ## arg)
52 #define ugeth_err(format, arg...) \
53 ugeth_printk(KERN_ERR , format , ## arg)
54 #define ugeth_info(format, arg...) \
55 ugeth_printk(KERN_INFO , format , ## arg)
56 #define ugeth_warn(format, arg...) \
57 ugeth_printk(KERN_WARNING , format , ## arg)
58
59 #ifdef UGETH_VERBOSE_DEBUG
60 #define ugeth_vdbg ugeth_dbg
61 #else
62 #define ugeth_vdbg(fmt, args...) do { } while (0)
63 #endif /* UGETH_VERBOSE_DEBUG */
64 #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1
65
66
67 static DEFINE_SPINLOCK(ugeth_lock);
68
69 static struct {
70 u32 msg_enable;
71 } debug = { -1 };
72
73 module_param_named(debug, debug.msg_enable, int, 0);
74 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
75
76 static struct ucc_geth_info ugeth_primary_info = {
77 .uf_info = {
78 .bd_mem_part = MEM_PART_SYSTEM,
79 .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
80 .max_rx_buf_length = 1536,
81 /* adjusted at startup if max-speed 1000 */
82 .urfs = UCC_GETH_URFS_INIT,
83 .urfet = UCC_GETH_URFET_INIT,
84 .urfset = UCC_GETH_URFSET_INIT,
85 .utfs = UCC_GETH_UTFS_INIT,
86 .utfet = UCC_GETH_UTFET_INIT,
87 .utftt = UCC_GETH_UTFTT_INIT,
88 .ufpt = 256,
89 .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
90 .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
91 .tenc = UCC_FAST_TX_ENCODING_NRZ,
92 .renc = UCC_FAST_RX_ENCODING_NRZ,
93 .tcrc = UCC_FAST_16_BIT_CRC,
94 .synl = UCC_FAST_SYNC_LEN_NOT_USED,
95 },
96 .numQueuesTx = 1,
97 .numQueuesRx = 1,
98 .extendedFilteringChainPointer = ((uint32_t) NULL),
99 .typeorlen = 3072 /*1536 */ ,
100 .nonBackToBackIfgPart1 = 0x40,
101 .nonBackToBackIfgPart2 = 0x60,
102 .miminumInterFrameGapEnforcement = 0x50,
103 .backToBackInterFrameGap = 0x60,
104 .mblinterval = 128,
105 .nortsrbytetime = 5,
106 .fracsiz = 1,
107 .strictpriorityq = 0xff,
108 .altBebTruncation = 0xa,
109 .excessDefer = 1,
110 .maxRetransmission = 0xf,
111 .collisionWindow = 0x37,
112 .receiveFlowControl = 1,
113 .transmitFlowControl = 1,
114 .maxGroupAddrInHash = 4,
115 .maxIndAddrInHash = 4,
116 .prel = 7,
117 .maxFrameLength = 1518,
118 .minFrameLength = 64,
119 .maxD1Length = 1520,
120 .maxD2Length = 1520,
121 .vlantype = 0x8100,
122 .ecamptr = ((uint32_t) NULL),
123 .eventRegMask = UCCE_OTHER,
124 .pausePeriod = 0xf000,
125 .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
126 .bdRingLenTx = {
127 TX_BD_RING_LEN,
128 TX_BD_RING_LEN,
129 TX_BD_RING_LEN,
130 TX_BD_RING_LEN,
131 TX_BD_RING_LEN,
132 TX_BD_RING_LEN,
133 TX_BD_RING_LEN,
134 TX_BD_RING_LEN},
135
136 .bdRingLenRx = {
137 RX_BD_RING_LEN,
138 RX_BD_RING_LEN,
139 RX_BD_RING_LEN,
140 RX_BD_RING_LEN,
141 RX_BD_RING_LEN,
142 RX_BD_RING_LEN,
143 RX_BD_RING_LEN,
144 RX_BD_RING_LEN},
145
146 .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
147 .largestexternallookupkeysize =
148 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
149 .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
150 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
151 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
152 .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
153 .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
154 .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
155 .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
156 .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
157 .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
158 .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
159 .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
160 .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
161 };
162
163 static struct ucc_geth_info ugeth_info[8];
164
165 #ifdef DEBUG
166 static void mem_disp(u8 *addr, int size)
167 {
168 u8 *i;
169 int size16Aling = (size >> 4) << 4;
170 int size4Aling = (size >> 2) << 2;
171 int notAlign = 0;
172 if (size % 16)
173 notAlign = 1;
174
175 for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
176 printk("0x%08x: %08x %08x %08x %08x\r\n",
177 (u32) i,
178 *((u32 *) (i)),
179 *((u32 *) (i + 4)),
180 *((u32 *) (i + 8)), *((u32 *) (i + 12)));
181 if (notAlign == 1)
182 printk("0x%08x: ", (u32) i);
183 for (; (u32) i < (u32) addr + size4Aling; i += 4)
184 printk("%08x ", *((u32 *) (i)));
185 for (; (u32) i < (u32) addr + size; i++)
186 printk("%02x", *((u8 *) (i)));
187 if (notAlign == 1)
188 printk("\r\n");
189 }
190 #endif /* DEBUG */
191
192 static struct list_head *dequeue(struct list_head *lh)
193 {
194 unsigned long flags;
195
196 spin_lock_irqsave(&ugeth_lock, flags);
197 if (!list_empty(lh)) {
198 struct list_head *node = lh->next;
199 list_del(node);
200 spin_unlock_irqrestore(&ugeth_lock, flags);
201 return node;
202 } else {
203 spin_unlock_irqrestore(&ugeth_lock, flags);
204 return NULL;
205 }
206 }
207
208 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
209 u8 __iomem *bd)
210 {
211 struct sk_buff *skb = NULL;
212
213 skb = __skb_dequeue(&ugeth->rx_recycle);
214 if (!skb)
215 skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
216 UCC_GETH_RX_DATA_BUF_ALIGNMENT);
217 if (skb == NULL)
218 return NULL;
219
220 /* We need the data buffer to be aligned properly. We will reserve
221 * as many bytes as needed to align the data properly
222 */
223 skb_reserve(skb,
224 UCC_GETH_RX_DATA_BUF_ALIGNMENT -
225 (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
226 1)));
227
228 skb->dev = ugeth->ndev;
229
230 out_be32(&((struct qe_bd __iomem *)bd)->buf,
231 dma_map_single(ugeth->dev,
232 skb->data,
233 ugeth->ug_info->uf_info.max_rx_buf_length +
234 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
235 DMA_FROM_DEVICE));
236
237 out_be32((u32 __iomem *)bd,
238 (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
239
240 return skb;
241 }
242
243 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
244 {
245 u8 __iomem *bd;
246 u32 bd_status;
247 struct sk_buff *skb;
248 int i;
249
250 bd = ugeth->p_rx_bd_ring[rxQ];
251 i = 0;
252
253 do {
254 bd_status = in_be32((u32 __iomem *)bd);
255 skb = get_new_skb(ugeth, bd);
256
257 if (!skb) /* If can not allocate data buffer,
258 abort. Cleanup will be elsewhere */
259 return -ENOMEM;
260
261 ugeth->rx_skbuff[rxQ][i] = skb;
262
263 /* advance the BD pointer */
264 bd += sizeof(struct qe_bd);
265 i++;
266 } while (!(bd_status & R_W));
267
268 return 0;
269 }
270
271 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
272 u32 *p_start,
273 u8 num_entries,
274 u32 thread_size,
275 u32 thread_alignment,
276 unsigned int risc,
277 int skip_page_for_first_entry)
278 {
279 u32 init_enet_offset;
280 u8 i;
281 int snum;
282
283 for (i = 0; i < num_entries; i++) {
284 if ((snum = qe_get_snum()) < 0) {
285 if (netif_msg_ifup(ugeth))
286 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
287 return snum;
288 }
289 if ((i == 0) && skip_page_for_first_entry)
290 /* First entry of Rx does not have page */
291 init_enet_offset = 0;
292 else {
293 init_enet_offset =
294 qe_muram_alloc(thread_size, thread_alignment);
295 if (IS_ERR_VALUE(init_enet_offset)) {
296 if (netif_msg_ifup(ugeth))
297 ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
298 qe_put_snum((u8) snum);
299 return -ENOMEM;
300 }
301 }
302 *(p_start++) =
303 ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
304 | risc;
305 }
306
307 return 0;
308 }
309
310 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
311 u32 *p_start,
312 u8 num_entries,
313 unsigned int risc,
314 int skip_page_for_first_entry)
315 {
316 u32 init_enet_offset;
317 u8 i;
318 int snum;
319
320 for (i = 0; i < num_entries; i++) {
321 u32 val = *p_start;
322
323 /* Check that this entry was actually valid --
324 needed in case failed in allocations */
325 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
326 snum =
327 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
328 ENET_INIT_PARAM_SNUM_SHIFT;
329 qe_put_snum((u8) snum);
330 if (!((i == 0) && skip_page_for_first_entry)) {
331 /* First entry of Rx does not have page */
332 init_enet_offset =
333 (val & ENET_INIT_PARAM_PTR_MASK);
334 qe_muram_free(init_enet_offset);
335 }
336 *p_start++ = 0;
337 }
338 }
339
340 return 0;
341 }
342
343 #ifdef DEBUG
344 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
345 u32 __iomem *p_start,
346 u8 num_entries,
347 u32 thread_size,
348 unsigned int risc,
349 int skip_page_for_first_entry)
350 {
351 u32 init_enet_offset;
352 u8 i;
353 int snum;
354
355 for (i = 0; i < num_entries; i++) {
356 u32 val = in_be32(p_start);
357
358 /* Check that this entry was actually valid --
359 needed in case failed in allocations */
360 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
361 snum =
362 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
363 ENET_INIT_PARAM_SNUM_SHIFT;
364 qe_put_snum((u8) snum);
365 if (!((i == 0) && skip_page_for_first_entry)) {
366 /* First entry of Rx does not have page */
367 init_enet_offset =
368 (in_be32(p_start) &
369 ENET_INIT_PARAM_PTR_MASK);
370 ugeth_info("Init enet entry %d:", i);
371 ugeth_info("Base address: 0x%08x",
372 (u32)
373 qe_muram_addr(init_enet_offset));
374 mem_disp(qe_muram_addr(init_enet_offset),
375 thread_size);
376 }
377 p_start++;
378 }
379 }
380
381 return 0;
382 }
383 #endif
384
385 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
386 {
387 kfree(enet_addr_cont);
388 }
389
390 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
391 {
392 out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
393 out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
394 out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
395 }
396
397 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
398 {
399 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
400
401 if (!(paddr_num < NUM_OF_PADDRS)) {
402 ugeth_warn("%s: Illagel paddr_num.", __func__);
403 return -EINVAL;
404 }
405
406 p_82xx_addr_filt =
407 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
408 addressfiltering;
409
410 /* Writing address ff.ff.ff.ff.ff.ff disables address
411 recognition for this register */
412 out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
413 out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
414 out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
415
416 return 0;
417 }
418
419 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
420 u8 *p_enet_addr)
421 {
422 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
423 u32 cecr_subblock;
424
425 p_82xx_addr_filt =
426 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
427 addressfiltering;
428
429 cecr_subblock =
430 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
431
432 /* Ethernet frames are defined in Little Endian mode,
433 therefore to insert */
434 /* the address to the hash (Big Endian mode), we reverse the bytes.*/
435
436 set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
437
438 qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
439 QE_CR_PROTOCOL_ETHERNET, 0);
440 }
441
442 static inline int compare_addr(u8 **addr1, u8 **addr2)
443 {
444 return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
445 }
446
447 #ifdef DEBUG
448 static void get_statistics(struct ucc_geth_private *ugeth,
449 struct ucc_geth_tx_firmware_statistics *
450 tx_firmware_statistics,
451 struct ucc_geth_rx_firmware_statistics *
452 rx_firmware_statistics,
453 struct ucc_geth_hardware_statistics *hardware_statistics)
454 {
455 struct ucc_fast __iomem *uf_regs;
456 struct ucc_geth __iomem *ug_regs;
457 struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
458 struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
459
460 ug_regs = ugeth->ug_regs;
461 uf_regs = (struct ucc_fast __iomem *) ug_regs;
462 p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
463 p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
464
465 /* Tx firmware only if user handed pointer and driver actually
466 gathers Tx firmware statistics */
467 if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
468 tx_firmware_statistics->sicoltx =
469 in_be32(&p_tx_fw_statistics_pram->sicoltx);
470 tx_firmware_statistics->mulcoltx =
471 in_be32(&p_tx_fw_statistics_pram->mulcoltx);
472 tx_firmware_statistics->latecoltxfr =
473 in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
474 tx_firmware_statistics->frabortduecol =
475 in_be32(&p_tx_fw_statistics_pram->frabortduecol);
476 tx_firmware_statistics->frlostinmactxer =
477 in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
478 tx_firmware_statistics->carriersenseertx =
479 in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
480 tx_firmware_statistics->frtxok =
481 in_be32(&p_tx_fw_statistics_pram->frtxok);
482 tx_firmware_statistics->txfrexcessivedefer =
483 in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
484 tx_firmware_statistics->txpkts256 =
485 in_be32(&p_tx_fw_statistics_pram->txpkts256);
486 tx_firmware_statistics->txpkts512 =
487 in_be32(&p_tx_fw_statistics_pram->txpkts512);
488 tx_firmware_statistics->txpkts1024 =
489 in_be32(&p_tx_fw_statistics_pram->txpkts1024);
490 tx_firmware_statistics->txpktsjumbo =
491 in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
492 }
493
494 /* Rx firmware only if user handed pointer and driver actually
495 * gathers Rx firmware statistics */
496 if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
497 int i;
498 rx_firmware_statistics->frrxfcser =
499 in_be32(&p_rx_fw_statistics_pram->frrxfcser);
500 rx_firmware_statistics->fraligner =
501 in_be32(&p_rx_fw_statistics_pram->fraligner);
502 rx_firmware_statistics->inrangelenrxer =
503 in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
504 rx_firmware_statistics->outrangelenrxer =
505 in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
506 rx_firmware_statistics->frtoolong =
507 in_be32(&p_rx_fw_statistics_pram->frtoolong);
508 rx_firmware_statistics->runt =
509 in_be32(&p_rx_fw_statistics_pram->runt);
510 rx_firmware_statistics->verylongevent =
511 in_be32(&p_rx_fw_statistics_pram->verylongevent);
512 rx_firmware_statistics->symbolerror =
513 in_be32(&p_rx_fw_statistics_pram->symbolerror);
514 rx_firmware_statistics->dropbsy =
515 in_be32(&p_rx_fw_statistics_pram->dropbsy);
516 for (i = 0; i < 0x8; i++)
517 rx_firmware_statistics->res0[i] =
518 p_rx_fw_statistics_pram->res0[i];
519 rx_firmware_statistics->mismatchdrop =
520 in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
521 rx_firmware_statistics->underpkts =
522 in_be32(&p_rx_fw_statistics_pram->underpkts);
523 rx_firmware_statistics->pkts256 =
524 in_be32(&p_rx_fw_statistics_pram->pkts256);
525 rx_firmware_statistics->pkts512 =
526 in_be32(&p_rx_fw_statistics_pram->pkts512);
527 rx_firmware_statistics->pkts1024 =
528 in_be32(&p_rx_fw_statistics_pram->pkts1024);
529 rx_firmware_statistics->pktsjumbo =
530 in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
531 rx_firmware_statistics->frlossinmacer =
532 in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
533 rx_firmware_statistics->pausefr =
534 in_be32(&p_rx_fw_statistics_pram->pausefr);
535 for (i = 0; i < 0x4; i++)
536 rx_firmware_statistics->res1[i] =
537 p_rx_fw_statistics_pram->res1[i];
538 rx_firmware_statistics->removevlan =
539 in_be32(&p_rx_fw_statistics_pram->removevlan);
540 rx_firmware_statistics->replacevlan =
541 in_be32(&p_rx_fw_statistics_pram->replacevlan);
542 rx_firmware_statistics->insertvlan =
543 in_be32(&p_rx_fw_statistics_pram->insertvlan);
544 }
545
546 /* Hardware only if user handed pointer and driver actually
547 gathers hardware statistics */
548 if (hardware_statistics &&
549 (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) {
550 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
551 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
552 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
553 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
554 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
555 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
556 hardware_statistics->txok = in_be32(&ug_regs->txok);
557 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
558 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
559 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
560 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
561 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
562 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
563 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
564 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
565 }
566 }
567
568 static void dump_bds(struct ucc_geth_private *ugeth)
569 {
570 int i;
571 int length;
572
573 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
574 if (ugeth->p_tx_bd_ring[i]) {
575 length =
576 (ugeth->ug_info->bdRingLenTx[i] *
577 sizeof(struct qe_bd));
578 ugeth_info("TX BDs[%d]", i);
579 mem_disp(ugeth->p_tx_bd_ring[i], length);
580 }
581 }
582 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
583 if (ugeth->p_rx_bd_ring[i]) {
584 length =
585 (ugeth->ug_info->bdRingLenRx[i] *
586 sizeof(struct qe_bd));
587 ugeth_info("RX BDs[%d]", i);
588 mem_disp(ugeth->p_rx_bd_ring[i], length);
589 }
590 }
591 }
592
593 static void dump_regs(struct ucc_geth_private *ugeth)
594 {
595 int i;
596
597 ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num + 1);
598 ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
599
600 ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x",
601 (u32) & ugeth->ug_regs->maccfg1,
602 in_be32(&ugeth->ug_regs->maccfg1));
603 ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x",
604 (u32) & ugeth->ug_regs->maccfg2,
605 in_be32(&ugeth->ug_regs->maccfg2));
606 ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x",
607 (u32) & ugeth->ug_regs->ipgifg,
608 in_be32(&ugeth->ug_regs->ipgifg));
609 ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x",
610 (u32) & ugeth->ug_regs->hafdup,
611 in_be32(&ugeth->ug_regs->hafdup));
612 ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x",
613 (u32) & ugeth->ug_regs->ifctl,
614 in_be32(&ugeth->ug_regs->ifctl));
615 ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x",
616 (u32) & ugeth->ug_regs->ifstat,
617 in_be32(&ugeth->ug_regs->ifstat));
618 ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
619 (u32) & ugeth->ug_regs->macstnaddr1,
620 in_be32(&ugeth->ug_regs->macstnaddr1));
621 ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
622 (u32) & ugeth->ug_regs->macstnaddr2,
623 in_be32(&ugeth->ug_regs->macstnaddr2));
624 ugeth_info("uempr : addr - 0x%08x, val - 0x%08x",
625 (u32) & ugeth->ug_regs->uempr,
626 in_be32(&ugeth->ug_regs->uempr));
627 ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x",
628 (u32) & ugeth->ug_regs->utbipar,
629 in_be32(&ugeth->ug_regs->utbipar));
630 ugeth_info("uescr : addr - 0x%08x, val - 0x%04x",
631 (u32) & ugeth->ug_regs->uescr,
632 in_be16(&ugeth->ug_regs->uescr));
633 ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x",
634 (u32) & ugeth->ug_regs->tx64,
635 in_be32(&ugeth->ug_regs->tx64));
636 ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x",
637 (u32) & ugeth->ug_regs->tx127,
638 in_be32(&ugeth->ug_regs->tx127));
639 ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x",
640 (u32) & ugeth->ug_regs->tx255,
641 in_be32(&ugeth->ug_regs->tx255));
642 ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x",
643 (u32) & ugeth->ug_regs->rx64,
644 in_be32(&ugeth->ug_regs->rx64));
645 ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x",
646 (u32) & ugeth->ug_regs->rx127,
647 in_be32(&ugeth->ug_regs->rx127));
648 ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x",
649 (u32) & ugeth->ug_regs->rx255,
650 in_be32(&ugeth->ug_regs->rx255));
651 ugeth_info("txok : addr - 0x%08x, val - 0x%08x",
652 (u32) & ugeth->ug_regs->txok,
653 in_be32(&ugeth->ug_regs->txok));
654 ugeth_info("txcf : addr - 0x%08x, val - 0x%04x",
655 (u32) & ugeth->ug_regs->txcf,
656 in_be16(&ugeth->ug_regs->txcf));
657 ugeth_info("tmca : addr - 0x%08x, val - 0x%08x",
658 (u32) & ugeth->ug_regs->tmca,
659 in_be32(&ugeth->ug_regs->tmca));
660 ugeth_info("tbca : addr - 0x%08x, val - 0x%08x",
661 (u32) & ugeth->ug_regs->tbca,
662 in_be32(&ugeth->ug_regs->tbca));
663 ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x",
664 (u32) & ugeth->ug_regs->rxfok,
665 in_be32(&ugeth->ug_regs->rxfok));
666 ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x",
667 (u32) & ugeth->ug_regs->rxbok,
668 in_be32(&ugeth->ug_regs->rxbok));
669 ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x",
670 (u32) & ugeth->ug_regs->rbyt,
671 in_be32(&ugeth->ug_regs->rbyt));
672 ugeth_info("rmca : addr - 0x%08x, val - 0x%08x",
673 (u32) & ugeth->ug_regs->rmca,
674 in_be32(&ugeth->ug_regs->rmca));
675 ugeth_info("rbca : addr - 0x%08x, val - 0x%08x",
676 (u32) & ugeth->ug_regs->rbca,
677 in_be32(&ugeth->ug_regs->rbca));
678 ugeth_info("scar : addr - 0x%08x, val - 0x%08x",
679 (u32) & ugeth->ug_regs->scar,
680 in_be32(&ugeth->ug_regs->scar));
681 ugeth_info("scam : addr - 0x%08x, val - 0x%08x",
682 (u32) & ugeth->ug_regs->scam,
683 in_be32(&ugeth->ug_regs->scam));
684
685 if (ugeth->p_thread_data_tx) {
686 int numThreadsTxNumerical;
687 switch (ugeth->ug_info->numThreadsTx) {
688 case UCC_GETH_NUM_OF_THREADS_1:
689 numThreadsTxNumerical = 1;
690 break;
691 case UCC_GETH_NUM_OF_THREADS_2:
692 numThreadsTxNumerical = 2;
693 break;
694 case UCC_GETH_NUM_OF_THREADS_4:
695 numThreadsTxNumerical = 4;
696 break;
697 case UCC_GETH_NUM_OF_THREADS_6:
698 numThreadsTxNumerical = 6;
699 break;
700 case UCC_GETH_NUM_OF_THREADS_8:
701 numThreadsTxNumerical = 8;
702 break;
703 default:
704 numThreadsTxNumerical = 0;
705 break;
706 }
707
708 ugeth_info("Thread data TXs:");
709 ugeth_info("Base address: 0x%08x",
710 (u32) ugeth->p_thread_data_tx);
711 for (i = 0; i < numThreadsTxNumerical; i++) {
712 ugeth_info("Thread data TX[%d]:", i);
713 ugeth_info("Base address: 0x%08x",
714 (u32) & ugeth->p_thread_data_tx[i]);
715 mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
716 sizeof(struct ucc_geth_thread_data_tx));
717 }
718 }
719 if (ugeth->p_thread_data_rx) {
720 int numThreadsRxNumerical;
721 switch (ugeth->ug_info->numThreadsRx) {
722 case UCC_GETH_NUM_OF_THREADS_1:
723 numThreadsRxNumerical = 1;
724 break;
725 case UCC_GETH_NUM_OF_THREADS_2:
726 numThreadsRxNumerical = 2;
727 break;
728 case UCC_GETH_NUM_OF_THREADS_4:
729 numThreadsRxNumerical = 4;
730 break;
731 case UCC_GETH_NUM_OF_THREADS_6:
732 numThreadsRxNumerical = 6;
733 break;
734 case UCC_GETH_NUM_OF_THREADS_8:
735 numThreadsRxNumerical = 8;
736 break;
737 default:
738 numThreadsRxNumerical = 0;
739 break;
740 }
741
742 ugeth_info("Thread data RX:");
743 ugeth_info("Base address: 0x%08x",
744 (u32) ugeth->p_thread_data_rx);
745 for (i = 0; i < numThreadsRxNumerical; i++) {
746 ugeth_info("Thread data RX[%d]:", i);
747 ugeth_info("Base address: 0x%08x",
748 (u32) & ugeth->p_thread_data_rx[i]);
749 mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
750 sizeof(struct ucc_geth_thread_data_rx));
751 }
752 }
753 if (ugeth->p_exf_glbl_param) {
754 ugeth_info("EXF global param:");
755 ugeth_info("Base address: 0x%08x",
756 (u32) ugeth->p_exf_glbl_param);
757 mem_disp((u8 *) ugeth->p_exf_glbl_param,
758 sizeof(*ugeth->p_exf_glbl_param));
759 }
760 if (ugeth->p_tx_glbl_pram) {
761 ugeth_info("TX global param:");
762 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
763 ugeth_info("temoder : addr - 0x%08x, val - 0x%04x",
764 (u32) & ugeth->p_tx_glbl_pram->temoder,
765 in_be16(&ugeth->p_tx_glbl_pram->temoder));
766 ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x",
767 (u32) & ugeth->p_tx_glbl_pram->sqptr,
768 in_be32(&ugeth->p_tx_glbl_pram->sqptr));
769 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
770 (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
771 in_be32(&ugeth->p_tx_glbl_pram->
772 schedulerbasepointer));
773 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
774 (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
775 in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
776 ugeth_info("tstate : addr - 0x%08x, val - 0x%08x",
777 (u32) & ugeth->p_tx_glbl_pram->tstate,
778 in_be32(&ugeth->p_tx_glbl_pram->tstate));
779 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
780 (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
781 ugeth->p_tx_glbl_pram->iphoffset[0]);
782 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
783 (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
784 ugeth->p_tx_glbl_pram->iphoffset[1]);
785 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
786 (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
787 ugeth->p_tx_glbl_pram->iphoffset[2]);
788 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
789 (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
790 ugeth->p_tx_glbl_pram->iphoffset[3]);
791 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
792 (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
793 ugeth->p_tx_glbl_pram->iphoffset[4]);
794 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
795 (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
796 ugeth->p_tx_glbl_pram->iphoffset[5]);
797 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
798 (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
799 ugeth->p_tx_glbl_pram->iphoffset[6]);
800 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
801 (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
802 ugeth->p_tx_glbl_pram->iphoffset[7]);
803 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
804 (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
805 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
806 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
807 (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
808 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
809 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
810 (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
811 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
812 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
813 (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
814 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
815 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
816 (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
817 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
818 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
819 (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
820 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
821 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
822 (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
823 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
824 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
825 (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
826 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
827 ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x",
828 (u32) & ugeth->p_tx_glbl_pram->tqptr,
829 in_be32(&ugeth->p_tx_glbl_pram->tqptr));
830 }
831 if (ugeth->p_rx_glbl_pram) {
832 ugeth_info("RX global param:");
833 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
834 ugeth_info("remoder : addr - 0x%08x, val - 0x%08x",
835 (u32) & ugeth->p_rx_glbl_pram->remoder,
836 in_be32(&ugeth->p_rx_glbl_pram->remoder));
837 ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x",
838 (u32) & ugeth->p_rx_glbl_pram->rqptr,
839 in_be32(&ugeth->p_rx_glbl_pram->rqptr));
840 ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x",
841 (u32) & ugeth->p_rx_glbl_pram->typeorlen,
842 in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
843 ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x",
844 (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
845 ugeth->p_rx_glbl_pram->rxgstpack);
846 ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x",
847 (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
848 in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
849 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
850 (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
851 in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
852 ugeth_info("rstate : addr - 0x%08x, val - 0x%02x",
853 (u32) & ugeth->p_rx_glbl_pram->rstate,
854 ugeth->p_rx_glbl_pram->rstate);
855 ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x",
856 (u32) & ugeth->p_rx_glbl_pram->mrblr,
857 in_be16(&ugeth->p_rx_glbl_pram->mrblr));
858 ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x",
859 (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
860 in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
861 ugeth_info("mflr : addr - 0x%08x, val - 0x%04x",
862 (u32) & ugeth->p_rx_glbl_pram->mflr,
863 in_be16(&ugeth->p_rx_glbl_pram->mflr));
864 ugeth_info("minflr : addr - 0x%08x, val - 0x%04x",
865 (u32) & ugeth->p_rx_glbl_pram->minflr,
866 in_be16(&ugeth->p_rx_glbl_pram->minflr));
867 ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x",
868 (u32) & ugeth->p_rx_glbl_pram->maxd1,
869 in_be16(&ugeth->p_rx_glbl_pram->maxd1));
870 ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x",
871 (u32) & ugeth->p_rx_glbl_pram->maxd2,
872 in_be16(&ugeth->p_rx_glbl_pram->maxd2));
873 ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x",
874 (u32) & ugeth->p_rx_glbl_pram->ecamptr,
875 in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
876 ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x",
877 (u32) & ugeth->p_rx_glbl_pram->l2qt,
878 in_be32(&ugeth->p_rx_glbl_pram->l2qt));
879 ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x",
880 (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
881 in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
882 ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x",
883 (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
884 in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
885 ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x",
886 (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
887 in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
888 ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x",
889 (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
890 in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
891 ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x",
892 (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
893 in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
894 ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x",
895 (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
896 in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
897 ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x",
898 (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
899 in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
900 ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x",
901 (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
902 in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
903 ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x",
904 (u32) & ugeth->p_rx_glbl_pram->vlantype,
905 in_be16(&ugeth->p_rx_glbl_pram->vlantype));
906 ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x",
907 (u32) & ugeth->p_rx_glbl_pram->vlantci,
908 in_be16(&ugeth->p_rx_glbl_pram->vlantci));
909 for (i = 0; i < 64; i++)
910 ugeth_info
911 ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
912 i,
913 (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
914 ugeth->p_rx_glbl_pram->addressfiltering[i]);
915 ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x",
916 (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
917 in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
918 }
919 if (ugeth->p_send_q_mem_reg) {
920 ugeth_info("Send Q memory registers:");
921 ugeth_info("Base address: 0x%08x",
922 (u32) ugeth->p_send_q_mem_reg);
923 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
924 ugeth_info("SQQD[%d]:", i);
925 ugeth_info("Base address: 0x%08x",
926 (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
927 mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
928 sizeof(struct ucc_geth_send_queue_qd));
929 }
930 }
931 if (ugeth->p_scheduler) {
932 ugeth_info("Scheduler:");
933 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
934 mem_disp((u8 *) ugeth->p_scheduler,
935 sizeof(*ugeth->p_scheduler));
936 }
937 if (ugeth->p_tx_fw_statistics_pram) {
938 ugeth_info("TX FW statistics pram:");
939 ugeth_info("Base address: 0x%08x",
940 (u32) ugeth->p_tx_fw_statistics_pram);
941 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
942 sizeof(*ugeth->p_tx_fw_statistics_pram));
943 }
944 if (ugeth->p_rx_fw_statistics_pram) {
945 ugeth_info("RX FW statistics pram:");
946 ugeth_info("Base address: 0x%08x",
947 (u32) ugeth->p_rx_fw_statistics_pram);
948 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
949 sizeof(*ugeth->p_rx_fw_statistics_pram));
950 }
951 if (ugeth->p_rx_irq_coalescing_tbl) {
952 ugeth_info("RX IRQ coalescing tables:");
953 ugeth_info("Base address: 0x%08x",
954 (u32) ugeth->p_rx_irq_coalescing_tbl);
955 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
956 ugeth_info("RX IRQ coalescing table entry[%d]:", i);
957 ugeth_info("Base address: 0x%08x",
958 (u32) & ugeth->p_rx_irq_coalescing_tbl->
959 coalescingentry[i]);
960 ugeth_info
961 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
962 (u32) & ugeth->p_rx_irq_coalescing_tbl->
963 coalescingentry[i].interruptcoalescingmaxvalue,
964 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
965 coalescingentry[i].
966 interruptcoalescingmaxvalue));
967 ugeth_info
968 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
969 (u32) & ugeth->p_rx_irq_coalescing_tbl->
970 coalescingentry[i].interruptcoalescingcounter,
971 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
972 coalescingentry[i].
973 interruptcoalescingcounter));
974 }
975 }
976 if (ugeth->p_rx_bd_qs_tbl) {
977 ugeth_info("RX BD QS tables:");
978 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
979 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
980 ugeth_info("RX BD QS table[%d]:", i);
981 ugeth_info("Base address: 0x%08x",
982 (u32) & ugeth->p_rx_bd_qs_tbl[i]);
983 ugeth_info
984 ("bdbaseptr : addr - 0x%08x, val - 0x%08x",
985 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
986 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
987 ugeth_info
988 ("bdptr : addr - 0x%08x, val - 0x%08x",
989 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
990 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
991 ugeth_info
992 ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
993 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
994 in_be32(&ugeth->p_rx_bd_qs_tbl[i].
995 externalbdbaseptr));
996 ugeth_info
997 ("externalbdptr : addr - 0x%08x, val - 0x%08x",
998 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
999 in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1000 ugeth_info("ucode RX Prefetched BDs:");
1001 ugeth_info("Base address: 0x%08x",
1002 (u32)
1003 qe_muram_addr(in_be32
1004 (&ugeth->p_rx_bd_qs_tbl[i].
1005 bdbaseptr)));
1006 mem_disp((u8 *)
1007 qe_muram_addr(in_be32
1008 (&ugeth->p_rx_bd_qs_tbl[i].
1009 bdbaseptr)),
1010 sizeof(struct ucc_geth_rx_prefetched_bds));
1011 }
1012 }
1013 if (ugeth->p_init_enet_param_shadow) {
1014 int size;
1015 ugeth_info("Init enet param shadow:");
1016 ugeth_info("Base address: 0x%08x",
1017 (u32) ugeth->p_init_enet_param_shadow);
1018 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1019 sizeof(*ugeth->p_init_enet_param_shadow));
1020
1021 size = sizeof(struct ucc_geth_thread_rx_pram);
1022 if (ugeth->ug_info->rxExtendedFiltering) {
1023 size +=
1024 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1025 if (ugeth->ug_info->largestexternallookupkeysize ==
1026 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1027 size +=
1028 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1029 if (ugeth->ug_info->largestexternallookupkeysize ==
1030 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1031 size +=
1032 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1033 }
1034
1035 dump_init_enet_entries(ugeth,
1036 &(ugeth->p_init_enet_param_shadow->
1037 txthread[0]),
1038 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1039 sizeof(struct ucc_geth_thread_tx_pram),
1040 ugeth->ug_info->riscTx, 0);
1041 dump_init_enet_entries(ugeth,
1042 &(ugeth->p_init_enet_param_shadow->
1043 rxthread[0]),
1044 ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1045 ugeth->ug_info->riscRx, 1);
1046 }
1047 }
1048 #endif /* DEBUG */
1049
1050 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1051 u32 __iomem *maccfg1_register,
1052 u32 __iomem *maccfg2_register)
1053 {
1054 out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1055 out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1056 out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1057 }
1058
1059 static int init_half_duplex_params(int alt_beb,
1060 int back_pressure_no_backoff,
1061 int no_backoff,
1062 int excess_defer,
1063 u8 alt_beb_truncation,
1064 u8 max_retransmissions,
1065 u8 collision_window,
1066 u32 __iomem *hafdup_register)
1067 {
1068 u32 value = 0;
1069
1070 if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1071 (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1072 (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1073 return -EINVAL;
1074
1075 value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1076
1077 if (alt_beb)
1078 value |= HALFDUP_ALT_BEB;
1079 if (back_pressure_no_backoff)
1080 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1081 if (no_backoff)
1082 value |= HALFDUP_NO_BACKOFF;
1083 if (excess_defer)
1084 value |= HALFDUP_EXCESSIVE_DEFER;
1085
1086 value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1087
1088 value |= collision_window;
1089
1090 out_be32(hafdup_register, value);
1091 return 0;
1092 }
1093
1094 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1095 u8 non_btb_ipg,
1096 u8 min_ifg,
1097 u8 btb_ipg,
1098 u32 __iomem *ipgifg_register)
1099 {
1100 u32 value = 0;
1101
1102 /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1103 IPG part 2 */
1104 if (non_btb_cs_ipg > non_btb_ipg)
1105 return -EINVAL;
1106
1107 if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1108 (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1109 /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1110 (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1111 return -EINVAL;
1112
1113 value |=
1114 ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1115 IPGIFG_NBTB_CS_IPG_MASK);
1116 value |=
1117 ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1118 IPGIFG_NBTB_IPG_MASK);
1119 value |=
1120 ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1121 IPGIFG_MIN_IFG_MASK);
1122 value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1123
1124 out_be32(ipgifg_register, value);
1125 return 0;
1126 }
1127
1128 int init_flow_control_params(u32 automatic_flow_control_mode,
1129 int rx_flow_control_enable,
1130 int tx_flow_control_enable,
1131 u16 pause_period,
1132 u16 extension_field,
1133 u32 __iomem *upsmr_register,
1134 u32 __iomem *uempr_register,
1135 u32 __iomem *maccfg1_register)
1136 {
1137 u32 value = 0;
1138
1139 /* Set UEMPR register */
1140 value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1141 value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1142 out_be32(uempr_register, value);
1143
1144 /* Set UPSMR register */
1145 setbits32(upsmr_register, automatic_flow_control_mode);
1146
1147 value = in_be32(maccfg1_register);
1148 if (rx_flow_control_enable)
1149 value |= MACCFG1_FLOW_RX;
1150 if (tx_flow_control_enable)
1151 value |= MACCFG1_FLOW_TX;
1152 out_be32(maccfg1_register, value);
1153
1154 return 0;
1155 }
1156
1157 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1158 int auto_zero_hardware_statistics,
1159 u32 __iomem *upsmr_register,
1160 u16 __iomem *uescr_register)
1161 {
1162 u16 uescr_value = 0;
1163
1164 /* Enable hardware statistics gathering if requested */
1165 if (enable_hardware_statistics)
1166 setbits32(upsmr_register, UCC_GETH_UPSMR_HSE);
1167
1168 /* Clear hardware statistics counters */
1169 uescr_value = in_be16(uescr_register);
1170 uescr_value |= UESCR_CLRCNT;
1171 /* Automatically zero hardware statistics counters on read,
1172 if requested */
1173 if (auto_zero_hardware_statistics)
1174 uescr_value |= UESCR_AUTOZ;
1175 out_be16(uescr_register, uescr_value);
1176
1177 return 0;
1178 }
1179
1180 static int init_firmware_statistics_gathering_mode(int
1181 enable_tx_firmware_statistics,
1182 int enable_rx_firmware_statistics,
1183 u32 __iomem *tx_rmon_base_ptr,
1184 u32 tx_firmware_statistics_structure_address,
1185 u32 __iomem *rx_rmon_base_ptr,
1186 u32 rx_firmware_statistics_structure_address,
1187 u16 __iomem *temoder_register,
1188 u32 __iomem *remoder_register)
1189 {
1190 /* Note: this function does not check if */
1191 /* the parameters it receives are NULL */
1192
1193 if (enable_tx_firmware_statistics) {
1194 out_be32(tx_rmon_base_ptr,
1195 tx_firmware_statistics_structure_address);
1196 setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE);
1197 }
1198
1199 if (enable_rx_firmware_statistics) {
1200 out_be32(rx_rmon_base_ptr,
1201 rx_firmware_statistics_structure_address);
1202 setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE);
1203 }
1204
1205 return 0;
1206 }
1207
1208 static int init_mac_station_addr_regs(u8 address_byte_0,
1209 u8 address_byte_1,
1210 u8 address_byte_2,
1211 u8 address_byte_3,
1212 u8 address_byte_4,
1213 u8 address_byte_5,
1214 u32 __iomem *macstnaddr1_register,
1215 u32 __iomem *macstnaddr2_register)
1216 {
1217 u32 value = 0;
1218
1219 /* Example: for a station address of 0x12345678ABCD, */
1220 /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1221
1222 /* MACSTNADDR1 Register: */
1223
1224 /* 0 7 8 15 */
1225 /* station address byte 5 station address byte 4 */
1226 /* 16 23 24 31 */
1227 /* station address byte 3 station address byte 2 */
1228 value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1229 value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1230 value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1231 value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1232
1233 out_be32(macstnaddr1_register, value);
1234
1235 /* MACSTNADDR2 Register: */
1236
1237 /* 0 7 8 15 */
1238 /* station address byte 1 station address byte 0 */
1239 /* 16 23 24 31 */
1240 /* reserved reserved */
1241 value = 0;
1242 value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1243 value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1244
1245 out_be32(macstnaddr2_register, value);
1246
1247 return 0;
1248 }
1249
1250 static int init_check_frame_length_mode(int length_check,
1251 u32 __iomem *maccfg2_register)
1252 {
1253 u32 value = 0;
1254
1255 value = in_be32(maccfg2_register);
1256
1257 if (length_check)
1258 value |= MACCFG2_LC;
1259 else
1260 value &= ~MACCFG2_LC;
1261
1262 out_be32(maccfg2_register, value);
1263 return 0;
1264 }
1265
1266 static int init_preamble_length(u8 preamble_length,
1267 u32 __iomem *maccfg2_register)
1268 {
1269 if ((preamble_length < 3) || (preamble_length > 7))
1270 return -EINVAL;
1271
1272 clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK,
1273 preamble_length << MACCFG2_PREL_SHIFT);
1274
1275 return 0;
1276 }
1277
1278 static int init_rx_parameters(int reject_broadcast,
1279 int receive_short_frames,
1280 int promiscuous, u32 __iomem *upsmr_register)
1281 {
1282 u32 value = 0;
1283
1284 value = in_be32(upsmr_register);
1285
1286 if (reject_broadcast)
1287 value |= UCC_GETH_UPSMR_BRO;
1288 else
1289 value &= ~UCC_GETH_UPSMR_BRO;
1290
1291 if (receive_short_frames)
1292 value |= UCC_GETH_UPSMR_RSH;
1293 else
1294 value &= ~UCC_GETH_UPSMR_RSH;
1295
1296 if (promiscuous)
1297 value |= UCC_GETH_UPSMR_PRO;
1298 else
1299 value &= ~UCC_GETH_UPSMR_PRO;
1300
1301 out_be32(upsmr_register, value);
1302
1303 return 0;
1304 }
1305
1306 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1307 u16 __iomem *mrblr_register)
1308 {
1309 /* max_rx_buf_len value must be a multiple of 128 */
1310 if ((max_rx_buf_len == 0) ||
1311 (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1312 return -EINVAL;
1313
1314 out_be16(mrblr_register, max_rx_buf_len);
1315 return 0;
1316 }
1317
1318 static int init_min_frame_len(u16 min_frame_length,
1319 u16 __iomem *minflr_register,
1320 u16 __iomem *mrblr_register)
1321 {
1322 u16 mrblr_value = 0;
1323
1324 mrblr_value = in_be16(mrblr_register);
1325 if (min_frame_length >= (mrblr_value - 4))
1326 return -EINVAL;
1327
1328 out_be16(minflr_register, min_frame_length);
1329 return 0;
1330 }
1331
1332 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1333 {
1334 struct ucc_geth_info *ug_info;
1335 struct ucc_geth __iomem *ug_regs;
1336 struct ucc_fast __iomem *uf_regs;
1337 int ret_val;
1338 u32 upsmr, maccfg2;
1339 u16 value;
1340
1341 ugeth_vdbg("%s: IN", __func__);
1342
1343 ug_info = ugeth->ug_info;
1344 ug_regs = ugeth->ug_regs;
1345 uf_regs = ugeth->uccf->uf_regs;
1346
1347 /* Set MACCFG2 */
1348 maccfg2 = in_be32(&ug_regs->maccfg2);
1349 maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1350 if ((ugeth->max_speed == SPEED_10) ||
1351 (ugeth->max_speed == SPEED_100))
1352 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1353 else if (ugeth->max_speed == SPEED_1000)
1354 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1355 maccfg2 |= ug_info->padAndCrc;
1356 out_be32(&ug_regs->maccfg2, maccfg2);
1357
1358 /* Set UPSMR */
1359 upsmr = in_be32(&uf_regs->upsmr);
1360 upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
1361 UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
1362 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1363 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1364 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1365 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1366 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1367 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1368 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII)
1369 upsmr |= UCC_GETH_UPSMR_RPM;
1370 switch (ugeth->max_speed) {
1371 case SPEED_10:
1372 upsmr |= UCC_GETH_UPSMR_R10M;
1373 /* FALLTHROUGH */
1374 case SPEED_100:
1375 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1376 upsmr |= UCC_GETH_UPSMR_RMM;
1377 }
1378 }
1379 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1380 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1381 upsmr |= UCC_GETH_UPSMR_TBIM;
1382 }
1383 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_SGMII))
1384 upsmr |= UCC_GETH_UPSMR_SGMM;
1385
1386 out_be32(&uf_regs->upsmr, upsmr);
1387
1388 /* Disable autonegotiation in tbi mode, because by default it
1389 comes up in autonegotiation mode. */
1390 /* Note that this depends on proper setting in utbipar register. */
1391 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1392 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1393 struct ucc_geth_info *ug_info = ugeth->ug_info;
1394 struct phy_device *tbiphy;
1395
1396 if (!ug_info->tbi_node)
1397 ugeth_warn("TBI mode requires that the device "
1398 "tree specify a tbi-handle\n");
1399
1400 tbiphy = of_phy_find_device(ug_info->tbi_node);
1401 if (!tbiphy)
1402 ugeth_warn("Could not get TBI device\n");
1403
1404 value = phy_read(tbiphy, ENET_TBI_MII_CR);
1405 value &= ~0x1000; /* Turn off autonegotiation */
1406 phy_write(tbiphy, ENET_TBI_MII_CR, value);
1407 }
1408
1409 init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1410
1411 ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1412 if (ret_val != 0) {
1413 if (netif_msg_probe(ugeth))
1414 ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1415 __func__);
1416 return ret_val;
1417 }
1418
1419 return 0;
1420 }
1421
1422 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1423 {
1424 struct ucc_fast_private *uccf;
1425 u32 cecr_subblock;
1426 u32 temp;
1427 int i = 10;
1428
1429 uccf = ugeth->uccf;
1430
1431 /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1432 clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA);
1433 out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */
1434
1435 /* Issue host command */
1436 cecr_subblock =
1437 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1438 qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1439 QE_CR_PROTOCOL_ETHERNET, 0);
1440
1441 /* Wait for command to complete */
1442 do {
1443 msleep(10);
1444 temp = in_be32(uccf->p_ucce);
1445 } while (!(temp & UCC_GETH_UCCE_GRA) && --i);
1446
1447 uccf->stopped_tx = 1;
1448
1449 return 0;
1450 }
1451
1452 static int ugeth_graceful_stop_rx(struct ucc_geth_private *ugeth)
1453 {
1454 struct ucc_fast_private *uccf;
1455 u32 cecr_subblock;
1456 u8 temp;
1457 int i = 10;
1458
1459 uccf = ugeth->uccf;
1460
1461 /* Clear acknowledge bit */
1462 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1463 temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1464 out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1465
1466 /* Keep issuing command and checking acknowledge bit until
1467 it is asserted, according to spec */
1468 do {
1469 /* Issue host command */
1470 cecr_subblock =
1471 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1472 ucc_num);
1473 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1474 QE_CR_PROTOCOL_ETHERNET, 0);
1475 msleep(10);
1476 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1477 } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1478
1479 uccf->stopped_rx = 1;
1480
1481 return 0;
1482 }
1483
1484 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1485 {
1486 struct ucc_fast_private *uccf;
1487 u32 cecr_subblock;
1488
1489 uccf = ugeth->uccf;
1490
1491 cecr_subblock =
1492 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1493 qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1494 uccf->stopped_tx = 0;
1495
1496 return 0;
1497 }
1498
1499 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1500 {
1501 struct ucc_fast_private *uccf;
1502 u32 cecr_subblock;
1503
1504 uccf = ugeth->uccf;
1505
1506 cecr_subblock =
1507 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1508 qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1509 0);
1510 uccf->stopped_rx = 0;
1511
1512 return 0;
1513 }
1514
1515 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1516 {
1517 struct ucc_fast_private *uccf;
1518 int enabled_tx, enabled_rx;
1519
1520 uccf = ugeth->uccf;
1521
1522 /* check if the UCC number is in range. */
1523 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1524 if (netif_msg_probe(ugeth))
1525 ugeth_err("%s: ucc_num out of range.", __func__);
1526 return -EINVAL;
1527 }
1528
1529 enabled_tx = uccf->enabled_tx;
1530 enabled_rx = uccf->enabled_rx;
1531
1532 /* Get Tx and Rx going again, in case this channel was actively
1533 disabled. */
1534 if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1535 ugeth_restart_tx(ugeth);
1536 if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1537 ugeth_restart_rx(ugeth);
1538
1539 ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
1540
1541 return 0;
1542
1543 }
1544
1545 static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1546 {
1547 struct ucc_fast_private *uccf;
1548
1549 uccf = ugeth->uccf;
1550
1551 /* check if the UCC number is in range. */
1552 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1553 if (netif_msg_probe(ugeth))
1554 ugeth_err("%s: ucc_num out of range.", __func__);
1555 return -EINVAL;
1556 }
1557
1558 /* Stop any transmissions */
1559 if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1560 ugeth_graceful_stop_tx(ugeth);
1561
1562 /* Stop any receptions */
1563 if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1564 ugeth_graceful_stop_rx(ugeth);
1565
1566 ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1567
1568 return 0;
1569 }
1570
1571 static void ugeth_quiesce(struct ucc_geth_private *ugeth)
1572 {
1573 /* Prevent any further xmits, plus detach the device. */
1574 netif_device_detach(ugeth->ndev);
1575
1576 /* Wait for any current xmits to finish. */
1577 netif_tx_disable(ugeth->ndev);
1578
1579 /* Disable the interrupt to avoid NAPI rescheduling. */
1580 disable_irq(ugeth->ug_info->uf_info.irq);
1581
1582 /* Stop NAPI, and possibly wait for its completion. */
1583 napi_disable(&ugeth->napi);
1584 }
1585
1586 static void ugeth_activate(struct ucc_geth_private *ugeth)
1587 {
1588 napi_enable(&ugeth->napi);
1589 enable_irq(ugeth->ug_info->uf_info.irq);
1590 netif_device_attach(ugeth->ndev);
1591 }
1592
1593 /* Called every time the controller might need to be made
1594 * aware of new link state. The PHY code conveys this
1595 * information through variables in the ugeth structure, and this
1596 * function converts those variables into the appropriate
1597 * register values, and can bring down the device if needed.
1598 */
1599
1600 static void adjust_link(struct net_device *dev)
1601 {
1602 struct ucc_geth_private *ugeth = netdev_priv(dev);
1603 struct ucc_geth __iomem *ug_regs;
1604 struct ucc_fast __iomem *uf_regs;
1605 struct phy_device *phydev = ugeth->phydev;
1606 int new_state = 0;
1607
1608 ug_regs = ugeth->ug_regs;
1609 uf_regs = ugeth->uccf->uf_regs;
1610
1611 if (phydev->link) {
1612 u32 tempval = in_be32(&ug_regs->maccfg2);
1613 u32 upsmr = in_be32(&uf_regs->upsmr);
1614 /* Now we make sure that we can be in full duplex mode.
1615 * If not, we operate in half-duplex mode. */
1616 if (phydev->duplex != ugeth->oldduplex) {
1617 new_state = 1;
1618 if (!(phydev->duplex))
1619 tempval &= ~(MACCFG2_FDX);
1620 else
1621 tempval |= MACCFG2_FDX;
1622 ugeth->oldduplex = phydev->duplex;
1623 }
1624
1625 if (phydev->speed != ugeth->oldspeed) {
1626 new_state = 1;
1627 switch (phydev->speed) {
1628 case SPEED_1000:
1629 tempval = ((tempval &
1630 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1631 MACCFG2_INTERFACE_MODE_BYTE);
1632 break;
1633 case SPEED_100:
1634 case SPEED_10:
1635 tempval = ((tempval &
1636 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1637 MACCFG2_INTERFACE_MODE_NIBBLE);
1638 /* if reduced mode, re-set UPSMR.R10M */
1639 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1640 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1641 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1642 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1643 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1644 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1645 if (phydev->speed == SPEED_10)
1646 upsmr |= UCC_GETH_UPSMR_R10M;
1647 else
1648 upsmr &= ~UCC_GETH_UPSMR_R10M;
1649 }
1650 break;
1651 default:
1652 if (netif_msg_link(ugeth))
1653 ugeth_warn(
1654 "%s: Ack! Speed (%d) is not 10/100/1000!",
1655 dev->name, phydev->speed);
1656 break;
1657 }
1658 ugeth->oldspeed = phydev->speed;
1659 }
1660
1661 if (!ugeth->oldlink) {
1662 new_state = 1;
1663 ugeth->oldlink = 1;
1664 }
1665
1666 if (new_state) {
1667 /*
1668 * To change the MAC configuration we need to disable
1669 * the controller. To do so, we have to either grab
1670 * ugeth->lock, which is a bad idea since 'graceful
1671 * stop' commands might take quite a while, or we can
1672 * quiesce driver's activity.
1673 */
1674 ugeth_quiesce(ugeth);
1675 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
1676
1677 out_be32(&ug_regs->maccfg2, tempval);
1678 out_be32(&uf_regs->upsmr, upsmr);
1679
1680 ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
1681 ugeth_activate(ugeth);
1682 }
1683 } else if (ugeth->oldlink) {
1684 new_state = 1;
1685 ugeth->oldlink = 0;
1686 ugeth->oldspeed = 0;
1687 ugeth->oldduplex = -1;
1688 }
1689
1690 if (new_state && netif_msg_link(ugeth))
1691 phy_print_status(phydev);
1692 }
1693
1694 /* Initialize TBI PHY interface for communicating with the
1695 * SERDES lynx PHY on the chip. We communicate with this PHY
1696 * through the MDIO bus on each controller, treating it as a
1697 * "normal" PHY at the address found in the UTBIPA register. We assume
1698 * that the UTBIPA register is valid. Either the MDIO bus code will set
1699 * it to a value that doesn't conflict with other PHYs on the bus, or the
1700 * value doesn't matter, as there are no other PHYs on the bus.
1701 */
1702 static void uec_configure_serdes(struct net_device *dev)
1703 {
1704 struct ucc_geth_private *ugeth = netdev_priv(dev);
1705 struct ucc_geth_info *ug_info = ugeth->ug_info;
1706 struct phy_device *tbiphy;
1707
1708 if (!ug_info->tbi_node) {
1709 dev_warn(&dev->dev, "SGMII mode requires that the device "
1710 "tree specify a tbi-handle\n");
1711 return;
1712 }
1713
1714 tbiphy = of_phy_find_device(ug_info->tbi_node);
1715 if (!tbiphy) {
1716 dev_err(&dev->dev, "error: Could not get TBI device\n");
1717 return;
1718 }
1719
1720 /*
1721 * If the link is already up, we must already be ok, and don't need to
1722 * configure and reset the TBI<->SerDes link. Maybe U-Boot configured
1723 * everything for us? Resetting it takes the link down and requires
1724 * several seconds for it to come back.
1725 */
1726 if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS)
1727 return;
1728
1729 /* Single clk mode, mii mode off(for serdes communication) */
1730 phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS);
1731
1732 phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
1733
1734 phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS);
1735 }
1736
1737 /* Configure the PHY for dev.
1738 * returns 0 if success. -1 if failure
1739 */
1740 static int init_phy(struct net_device *dev)
1741 {
1742 struct ucc_geth_private *priv = netdev_priv(dev);
1743 struct ucc_geth_info *ug_info = priv->ug_info;
1744 struct phy_device *phydev;
1745
1746 priv->oldlink = 0;
1747 priv->oldspeed = 0;
1748 priv->oldduplex = -1;
1749
1750 phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0,
1751 priv->phy_interface);
1752 if (!phydev)
1753 phydev = of_phy_connect_fixed_link(dev, &adjust_link,
1754 priv->phy_interface);
1755 if (!phydev) {
1756 dev_err(&dev->dev, "Could not attach to PHY\n");
1757 return -ENODEV;
1758 }
1759
1760 if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII)
1761 uec_configure_serdes(dev);
1762
1763 phydev->supported &= (ADVERTISED_10baseT_Half |
1764 ADVERTISED_10baseT_Full |
1765 ADVERTISED_100baseT_Half |
1766 ADVERTISED_100baseT_Full);
1767
1768 if (priv->max_speed == SPEED_1000)
1769 phydev->supported |= ADVERTISED_1000baseT_Full;
1770
1771 phydev->advertising = phydev->supported;
1772
1773 priv->phydev = phydev;
1774
1775 return 0;
1776 }
1777
1778 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1779 {
1780 #ifdef DEBUG
1781 ucc_fast_dump_regs(ugeth->uccf);
1782 dump_regs(ugeth);
1783 dump_bds(ugeth);
1784 #endif
1785 }
1786
1787 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1788 ugeth,
1789 enum enet_addr_type
1790 enet_addr_type)
1791 {
1792 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1793 struct ucc_fast_private *uccf;
1794 enum comm_dir comm_dir;
1795 struct list_head *p_lh;
1796 u16 i, num;
1797 u32 __iomem *addr_h;
1798 u32 __iomem *addr_l;
1799 u8 *p_counter;
1800
1801 uccf = ugeth->uccf;
1802
1803 p_82xx_addr_filt =
1804 (struct ucc_geth_82xx_address_filtering_pram __iomem *)
1805 ugeth->p_rx_glbl_pram->addressfiltering;
1806
1807 if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
1808 addr_h = &(p_82xx_addr_filt->gaddr_h);
1809 addr_l = &(p_82xx_addr_filt->gaddr_l);
1810 p_lh = &ugeth->group_hash_q;
1811 p_counter = &(ugeth->numGroupAddrInHash);
1812 } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
1813 addr_h = &(p_82xx_addr_filt->iaddr_h);
1814 addr_l = &(p_82xx_addr_filt->iaddr_l);
1815 p_lh = &ugeth->ind_hash_q;
1816 p_counter = &(ugeth->numIndAddrInHash);
1817 } else
1818 return -EINVAL;
1819
1820 comm_dir = 0;
1821 if (uccf->enabled_tx)
1822 comm_dir |= COMM_DIR_TX;
1823 if (uccf->enabled_rx)
1824 comm_dir |= COMM_DIR_RX;
1825 if (comm_dir)
1826 ugeth_disable(ugeth, comm_dir);
1827
1828 /* Clear the hash table. */
1829 out_be32(addr_h, 0x00000000);
1830 out_be32(addr_l, 0x00000000);
1831
1832 if (!p_lh)
1833 return 0;
1834
1835 num = *p_counter;
1836
1837 /* Delete all remaining CQ elements */
1838 for (i = 0; i < num; i++)
1839 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
1840
1841 *p_counter = 0;
1842
1843 if (comm_dir)
1844 ugeth_enable(ugeth, comm_dir);
1845
1846 return 0;
1847 }
1848
1849 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
1850 u8 paddr_num)
1851 {
1852 ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
1853 return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
1854 }
1855
1856 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
1857 {
1858 u16 i, j;
1859 u8 __iomem *bd;
1860
1861 if (!ugeth)
1862 return;
1863
1864 if (ugeth->uccf) {
1865 ucc_fast_free(ugeth->uccf);
1866 ugeth->uccf = NULL;
1867 }
1868
1869 if (ugeth->p_thread_data_tx) {
1870 qe_muram_free(ugeth->thread_dat_tx_offset);
1871 ugeth->p_thread_data_tx = NULL;
1872 }
1873 if (ugeth->p_thread_data_rx) {
1874 qe_muram_free(ugeth->thread_dat_rx_offset);
1875 ugeth->p_thread_data_rx = NULL;
1876 }
1877 if (ugeth->p_exf_glbl_param) {
1878 qe_muram_free(ugeth->exf_glbl_param_offset);
1879 ugeth->p_exf_glbl_param = NULL;
1880 }
1881 if (ugeth->p_rx_glbl_pram) {
1882 qe_muram_free(ugeth->rx_glbl_pram_offset);
1883 ugeth->p_rx_glbl_pram = NULL;
1884 }
1885 if (ugeth->p_tx_glbl_pram) {
1886 qe_muram_free(ugeth->tx_glbl_pram_offset);
1887 ugeth->p_tx_glbl_pram = NULL;
1888 }
1889 if (ugeth->p_send_q_mem_reg) {
1890 qe_muram_free(ugeth->send_q_mem_reg_offset);
1891 ugeth->p_send_q_mem_reg = NULL;
1892 }
1893 if (ugeth->p_scheduler) {
1894 qe_muram_free(ugeth->scheduler_offset);
1895 ugeth->p_scheduler = NULL;
1896 }
1897 if (ugeth->p_tx_fw_statistics_pram) {
1898 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
1899 ugeth->p_tx_fw_statistics_pram = NULL;
1900 }
1901 if (ugeth->p_rx_fw_statistics_pram) {
1902 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
1903 ugeth->p_rx_fw_statistics_pram = NULL;
1904 }
1905 if (ugeth->p_rx_irq_coalescing_tbl) {
1906 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
1907 ugeth->p_rx_irq_coalescing_tbl = NULL;
1908 }
1909 if (ugeth->p_rx_bd_qs_tbl) {
1910 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
1911 ugeth->p_rx_bd_qs_tbl = NULL;
1912 }
1913 if (ugeth->p_init_enet_param_shadow) {
1914 return_init_enet_entries(ugeth,
1915 &(ugeth->p_init_enet_param_shadow->
1916 rxthread[0]),
1917 ENET_INIT_PARAM_MAX_ENTRIES_RX,
1918 ugeth->ug_info->riscRx, 1);
1919 return_init_enet_entries(ugeth,
1920 &(ugeth->p_init_enet_param_shadow->
1921 txthread[0]),
1922 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1923 ugeth->ug_info->riscTx, 0);
1924 kfree(ugeth->p_init_enet_param_shadow);
1925 ugeth->p_init_enet_param_shadow = NULL;
1926 }
1927 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1928 bd = ugeth->p_tx_bd_ring[i];
1929 if (!bd)
1930 continue;
1931 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
1932 if (ugeth->tx_skbuff[i][j]) {
1933 dma_unmap_single(ugeth->dev,
1934 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1935 (in_be32((u32 __iomem *)bd) &
1936 BD_LENGTH_MASK),
1937 DMA_TO_DEVICE);
1938 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
1939 ugeth->tx_skbuff[i][j] = NULL;
1940 }
1941 }
1942
1943 kfree(ugeth->tx_skbuff[i]);
1944
1945 if (ugeth->p_tx_bd_ring[i]) {
1946 if (ugeth->ug_info->uf_info.bd_mem_part ==
1947 MEM_PART_SYSTEM)
1948 kfree((void *)ugeth->tx_bd_ring_offset[i]);
1949 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1950 MEM_PART_MURAM)
1951 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
1952 ugeth->p_tx_bd_ring[i] = NULL;
1953 }
1954 }
1955 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1956 if (ugeth->p_rx_bd_ring[i]) {
1957 /* Return existing data buffers in ring */
1958 bd = ugeth->p_rx_bd_ring[i];
1959 for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
1960 if (ugeth->rx_skbuff[i][j]) {
1961 dma_unmap_single(ugeth->dev,
1962 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1963 ugeth->ug_info->
1964 uf_info.max_rx_buf_length +
1965 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
1966 DMA_FROM_DEVICE);
1967 dev_kfree_skb_any(
1968 ugeth->rx_skbuff[i][j]);
1969 ugeth->rx_skbuff[i][j] = NULL;
1970 }
1971 bd += sizeof(struct qe_bd);
1972 }
1973
1974 kfree(ugeth->rx_skbuff[i]);
1975
1976 if (ugeth->ug_info->uf_info.bd_mem_part ==
1977 MEM_PART_SYSTEM)
1978 kfree((void *)ugeth->rx_bd_ring_offset[i]);
1979 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1980 MEM_PART_MURAM)
1981 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
1982 ugeth->p_rx_bd_ring[i] = NULL;
1983 }
1984 }
1985 while (!list_empty(&ugeth->group_hash_q))
1986 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1987 (dequeue(&ugeth->group_hash_q)));
1988 while (!list_empty(&ugeth->ind_hash_q))
1989 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1990 (dequeue(&ugeth->ind_hash_q)));
1991 if (ugeth->ug_regs) {
1992 iounmap(ugeth->ug_regs);
1993 ugeth->ug_regs = NULL;
1994 }
1995
1996 skb_queue_purge(&ugeth->rx_recycle);
1997 }
1998
1999 static void ucc_geth_set_multi(struct net_device *dev)
2000 {
2001 struct ucc_geth_private *ugeth;
2002 struct netdev_hw_addr *ha;
2003 struct ucc_fast __iomem *uf_regs;
2004 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2005
2006 ugeth = netdev_priv(dev);
2007
2008 uf_regs = ugeth->uccf->uf_regs;
2009
2010 if (dev->flags & IFF_PROMISC) {
2011 setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
2012 } else {
2013 clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
2014
2015 p_82xx_addr_filt =
2016 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2017 p_rx_glbl_pram->addressfiltering;
2018
2019 if (dev->flags & IFF_ALLMULTI) {
2020 /* Catch all multicast addresses, so set the
2021 * filter to all 1's.
2022 */
2023 out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2024 out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2025 } else {
2026 /* Clear filter and add the addresses in the list.
2027 */
2028 out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2029 out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2030
2031 netdev_for_each_mc_addr(ha, dev) {
2032 /* Only support group multicast for now.
2033 */
2034 if (!(ha->addr[0] & 1))
2035 continue;
2036
2037 /* Ask CPM to run CRC and set bit in
2038 * filter mask.
2039 */
2040 hw_add_addr_in_hash(ugeth, ha->addr);
2041 }
2042 }
2043 }
2044 }
2045
2046 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2047 {
2048 struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2049 struct phy_device *phydev = ugeth->phydev;
2050
2051 ugeth_vdbg("%s: IN", __func__);
2052
2053 /*
2054 * Tell the kernel the link is down.
2055 * Must be done before disabling the controller
2056 * or deadlock may happen.
2057 */
2058 phy_stop(phydev);
2059
2060 /* Disable the controller */
2061 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2062
2063 /* Mask all interrupts */
2064 out_be32(ugeth->uccf->p_uccm, 0x00000000);
2065
2066 /* Clear all interrupts */
2067 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2068
2069 /* Disable Rx and Tx */
2070 clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2071
2072 ucc_geth_memclean(ugeth);
2073 }
2074
2075 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2076 {
2077 struct ucc_geth_info *ug_info;
2078 struct ucc_fast_info *uf_info;
2079 int i;
2080
2081 ug_info = ugeth->ug_info;
2082 uf_info = &ug_info->uf_info;
2083
2084 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2085 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2086 if (netif_msg_probe(ugeth))
2087 ugeth_err("%s: Bad memory partition value.",
2088 __func__);
2089 return -EINVAL;
2090 }
2091
2092 /* Rx BD lengths */
2093 for (i = 0; i < ug_info->numQueuesRx; i++) {
2094 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2095 (ug_info->bdRingLenRx[i] %
2096 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2097 if (netif_msg_probe(ugeth))
2098 ugeth_err
2099 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2100 __func__);
2101 return -EINVAL;
2102 }
2103 }
2104
2105 /* Tx BD lengths */
2106 for (i = 0; i < ug_info->numQueuesTx; i++) {
2107 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2108 if (netif_msg_probe(ugeth))
2109 ugeth_err
2110 ("%s: Tx BD ring length must be no smaller than 2.",
2111 __func__);
2112 return -EINVAL;
2113 }
2114 }
2115
2116 /* mrblr */
2117 if ((uf_info->max_rx_buf_length == 0) ||
2118 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2119 if (netif_msg_probe(ugeth))
2120 ugeth_err
2121 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2122 __func__);
2123 return -EINVAL;
2124 }
2125
2126 /* num Tx queues */
2127 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2128 if (netif_msg_probe(ugeth))
2129 ugeth_err("%s: number of tx queues too large.", __func__);
2130 return -EINVAL;
2131 }
2132
2133 /* num Rx queues */
2134 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2135 if (netif_msg_probe(ugeth))
2136 ugeth_err("%s: number of rx queues too large.", __func__);
2137 return -EINVAL;
2138 }
2139
2140 /* l2qt */
2141 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2142 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2143 if (netif_msg_probe(ugeth))
2144 ugeth_err
2145 ("%s: VLAN priority table entry must not be"
2146 " larger than number of Rx queues.",
2147 __func__);
2148 return -EINVAL;
2149 }
2150 }
2151
2152 /* l3qt */
2153 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2154 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2155 if (netif_msg_probe(ugeth))
2156 ugeth_err
2157 ("%s: IP priority table entry must not be"
2158 " larger than number of Rx queues.",
2159 __func__);
2160 return -EINVAL;
2161 }
2162 }
2163
2164 if (ug_info->cam && !ug_info->ecamptr) {
2165 if (netif_msg_probe(ugeth))
2166 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2167 __func__);
2168 return -EINVAL;
2169 }
2170
2171 if ((ug_info->numStationAddresses !=
2172 UCC_GETH_NUM_OF_STATION_ADDRESSES_1) &&
2173 ug_info->rxExtendedFiltering) {
2174 if (netif_msg_probe(ugeth))
2175 ugeth_err("%s: Number of station addresses greater than 1 "
2176 "not allowed in extended parsing mode.",
2177 __func__);
2178 return -EINVAL;
2179 }
2180
2181 /* Generate uccm_mask for receive */
2182 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2183 for (i = 0; i < ug_info->numQueuesRx; i++)
2184 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
2185
2186 for (i = 0; i < ug_info->numQueuesTx; i++)
2187 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
2188 /* Initialize the general fast UCC block. */
2189 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2190 if (netif_msg_probe(ugeth))
2191 ugeth_err("%s: Failed to init uccf.", __func__);
2192 return -ENOMEM;
2193 }
2194
2195 /* read the number of risc engines, update the riscTx and riscRx
2196 * if there are 4 riscs in QE
2197 */
2198 if (qe_get_num_of_risc() == 4) {
2199 ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS;
2200 ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS;
2201 }
2202
2203 ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2204 if (!ugeth->ug_regs) {
2205 if (netif_msg_probe(ugeth))
2206 ugeth_err("%s: Failed to ioremap regs.", __func__);
2207 return -ENOMEM;
2208 }
2209
2210 skb_queue_head_init(&ugeth->rx_recycle);
2211
2212 return 0;
2213 }
2214
2215 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2216 {
2217 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2218 struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2219 struct ucc_fast_private *uccf;
2220 struct ucc_geth_info *ug_info;
2221 struct ucc_fast_info *uf_info;
2222 struct ucc_fast __iomem *uf_regs;
2223 struct ucc_geth __iomem *ug_regs;
2224 int ret_val = -EINVAL;
2225 u32 remoder = UCC_GETH_REMODER_INIT;
2226 u32 init_enet_pram_offset, cecr_subblock, command;
2227 u32 ifstat, i, j, size, l2qt, l3qt, length;
2228 u16 temoder = UCC_GETH_TEMODER_INIT;
2229 u16 test;
2230 u8 function_code = 0;
2231 u8 __iomem *bd;
2232 u8 __iomem *endOfRing;
2233 u8 numThreadsRxNumerical, numThreadsTxNumerical;
2234
2235 ugeth_vdbg("%s: IN", __func__);
2236 uccf = ugeth->uccf;
2237 ug_info = ugeth->ug_info;
2238 uf_info = &ug_info->uf_info;
2239 uf_regs = uccf->uf_regs;
2240 ug_regs = ugeth->ug_regs;
2241
2242 switch (ug_info->numThreadsRx) {
2243 case UCC_GETH_NUM_OF_THREADS_1:
2244 numThreadsRxNumerical = 1;
2245 break;
2246 case UCC_GETH_NUM_OF_THREADS_2:
2247 numThreadsRxNumerical = 2;
2248 break;
2249 case UCC_GETH_NUM_OF_THREADS_4:
2250 numThreadsRxNumerical = 4;
2251 break;
2252 case UCC_GETH_NUM_OF_THREADS_6:
2253 numThreadsRxNumerical = 6;
2254 break;
2255 case UCC_GETH_NUM_OF_THREADS_8:
2256 numThreadsRxNumerical = 8;
2257 break;
2258 default:
2259 if (netif_msg_ifup(ugeth))
2260 ugeth_err("%s: Bad number of Rx threads value.",
2261 __func__);
2262 return -EINVAL;
2263 break;
2264 }
2265
2266 switch (ug_info->numThreadsTx) {
2267 case UCC_GETH_NUM_OF_THREADS_1:
2268 numThreadsTxNumerical = 1;
2269 break;
2270 case UCC_GETH_NUM_OF_THREADS_2:
2271 numThreadsTxNumerical = 2;
2272 break;
2273 case UCC_GETH_NUM_OF_THREADS_4:
2274 numThreadsTxNumerical = 4;
2275 break;
2276 case UCC_GETH_NUM_OF_THREADS_6:
2277 numThreadsTxNumerical = 6;
2278 break;
2279 case UCC_GETH_NUM_OF_THREADS_8:
2280 numThreadsTxNumerical = 8;
2281 break;
2282 default:
2283 if (netif_msg_ifup(ugeth))
2284 ugeth_err("%s: Bad number of Tx threads value.",
2285 __func__);
2286 return -EINVAL;
2287 break;
2288 }
2289
2290 /* Calculate rx_extended_features */
2291 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2292 ug_info->ipAddressAlignment ||
2293 (ug_info->numStationAddresses !=
2294 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2295
2296 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2297 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) ||
2298 (ug_info->vlanOperationNonTagged !=
2299 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2300
2301 init_default_reg_vals(&uf_regs->upsmr,
2302 &ug_regs->maccfg1, &ug_regs->maccfg2);
2303
2304 /* Set UPSMR */
2305 /* For more details see the hardware spec. */
2306 init_rx_parameters(ug_info->bro,
2307 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2308
2309 /* We're going to ignore other registers for now, */
2310 /* except as needed to get up and running */
2311
2312 /* Set MACCFG1 */
2313 /* For more details see the hardware spec. */
2314 init_flow_control_params(ug_info->aufc,
2315 ug_info->receiveFlowControl,
2316 ug_info->transmitFlowControl,
2317 ug_info->pausePeriod,
2318 ug_info->extensionField,
2319 &uf_regs->upsmr,
2320 &ug_regs->uempr, &ug_regs->maccfg1);
2321
2322 setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2323
2324 /* Set IPGIFG */
2325 /* For more details see the hardware spec. */
2326 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2327 ug_info->nonBackToBackIfgPart2,
2328 ug_info->
2329 miminumInterFrameGapEnforcement,
2330 ug_info->backToBackInterFrameGap,
2331 &ug_regs->ipgifg);
2332 if (ret_val != 0) {
2333 if (netif_msg_ifup(ugeth))
2334 ugeth_err("%s: IPGIFG initialization parameter too large.",
2335 __func__);
2336 return ret_val;
2337 }
2338
2339 /* Set HAFDUP */
2340 /* For more details see the hardware spec. */
2341 ret_val = init_half_duplex_params(ug_info->altBeb,
2342 ug_info->backPressureNoBackoff,
2343 ug_info->noBackoff,
2344 ug_info->excessDefer,
2345 ug_info->altBebTruncation,
2346 ug_info->maxRetransmission,
2347 ug_info->collisionWindow,
2348 &ug_regs->hafdup);
2349 if (ret_val != 0) {
2350 if (netif_msg_ifup(ugeth))
2351 ugeth_err("%s: Half Duplex initialization parameter too large.",
2352 __func__);
2353 return ret_val;
2354 }
2355
2356 /* Set IFSTAT */
2357 /* For more details see the hardware spec. */
2358 /* Read only - resets upon read */
2359 ifstat = in_be32(&ug_regs->ifstat);
2360
2361 /* Clear UEMPR */
2362 /* For more details see the hardware spec. */
2363 out_be32(&ug_regs->uempr, 0);
2364
2365 /* Set UESCR */
2366 /* For more details see the hardware spec. */
2367 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2368 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2369 0, &uf_regs->upsmr, &ug_regs->uescr);
2370
2371 /* Allocate Tx bds */
2372 for (j = 0; j < ug_info->numQueuesTx; j++) {
2373 /* Allocate in multiple of
2374 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2375 according to spec */
2376 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2377 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2378 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2379 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2380 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2381 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2382 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2383 u32 align = 4;
2384 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2385 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2386 ugeth->tx_bd_ring_offset[j] =
2387 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2388
2389 if (ugeth->tx_bd_ring_offset[j] != 0)
2390 ugeth->p_tx_bd_ring[j] =
2391 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2392 align) & ~(align - 1));
2393 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2394 ugeth->tx_bd_ring_offset[j] =
2395 qe_muram_alloc(length,
2396 UCC_GETH_TX_BD_RING_ALIGNMENT);
2397 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2398 ugeth->p_tx_bd_ring[j] =
2399 (u8 __iomem *) qe_muram_addr(ugeth->
2400 tx_bd_ring_offset[j]);
2401 }
2402 if (!ugeth->p_tx_bd_ring[j]) {
2403 if (netif_msg_ifup(ugeth))
2404 ugeth_err
2405 ("%s: Can not allocate memory for Tx bd rings.",
2406 __func__);
2407 return -ENOMEM;
2408 }
2409 /* Zero unused end of bd ring, according to spec */
2410 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2411 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2412 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2413 }
2414
2415 /* Allocate Rx bds */
2416 for (j = 0; j < ug_info->numQueuesRx; j++) {
2417 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2418 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2419 u32 align = 4;
2420 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2421 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2422 ugeth->rx_bd_ring_offset[j] =
2423 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2424 if (ugeth->rx_bd_ring_offset[j] != 0)
2425 ugeth->p_rx_bd_ring[j] =
2426 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2427 align) & ~(align - 1));
2428 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2429 ugeth->rx_bd_ring_offset[j] =
2430 qe_muram_alloc(length,
2431 UCC_GETH_RX_BD_RING_ALIGNMENT);
2432 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2433 ugeth->p_rx_bd_ring[j] =
2434 (u8 __iomem *) qe_muram_addr(ugeth->
2435 rx_bd_ring_offset[j]);
2436 }
2437 if (!ugeth->p_rx_bd_ring[j]) {
2438 if (netif_msg_ifup(ugeth))
2439 ugeth_err
2440 ("%s: Can not allocate memory for Rx bd rings.",
2441 __func__);
2442 return -ENOMEM;
2443 }
2444 }
2445
2446 /* Init Tx bds */
2447 for (j = 0; j < ug_info->numQueuesTx; j++) {
2448 /* Setup the skbuff rings */
2449 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2450 ugeth->ug_info->bdRingLenTx[j],
2451 GFP_KERNEL);
2452
2453 if (ugeth->tx_skbuff[j] == NULL) {
2454 if (netif_msg_ifup(ugeth))
2455 ugeth_err("%s: Could not allocate tx_skbuff",
2456 __func__);
2457 return -ENOMEM;
2458 }
2459
2460 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2461 ugeth->tx_skbuff[j][i] = NULL;
2462
2463 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2464 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2465 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2466 /* clear bd buffer */
2467 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2468 /* set bd status and length */
2469 out_be32((u32 __iomem *)bd, 0);
2470 bd += sizeof(struct qe_bd);
2471 }
2472 bd -= sizeof(struct qe_bd);
2473 /* set bd status and length */
2474 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2475 }
2476
2477 /* Init Rx bds */
2478 for (j = 0; j < ug_info->numQueuesRx; j++) {
2479 /* Setup the skbuff rings */
2480 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2481 ugeth->ug_info->bdRingLenRx[j],
2482 GFP_KERNEL);
2483
2484 if (ugeth->rx_skbuff[j] == NULL) {
2485 if (netif_msg_ifup(ugeth))
2486 ugeth_err("%s: Could not allocate rx_skbuff",
2487 __func__);
2488 return -ENOMEM;
2489 }
2490
2491 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2492 ugeth->rx_skbuff[j][i] = NULL;
2493
2494 ugeth->skb_currx[j] = 0;
2495 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2496 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2497 /* set bd status and length */
2498 out_be32((u32 __iomem *)bd, R_I);
2499 /* clear bd buffer */
2500 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2501 bd += sizeof(struct qe_bd);
2502 }
2503 bd -= sizeof(struct qe_bd);
2504 /* set bd status and length */
2505 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2506 }
2507
2508 /*
2509 * Global PRAM
2510 */
2511 /* Tx global PRAM */
2512 /* Allocate global tx parameter RAM page */
2513 ugeth->tx_glbl_pram_offset =
2514 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2515 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2516 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2517 if (netif_msg_ifup(ugeth))
2518 ugeth_err
2519 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2520 __func__);
2521 return -ENOMEM;
2522 }
2523 ugeth->p_tx_glbl_pram =
2524 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2525 tx_glbl_pram_offset);
2526 /* Zero out p_tx_glbl_pram */
2527 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2528
2529 /* Fill global PRAM */
2530
2531 /* TQPTR */
2532 /* Size varies with number of Tx threads */
2533 ugeth->thread_dat_tx_offset =
2534 qe_muram_alloc(numThreadsTxNumerical *
2535 sizeof(struct ucc_geth_thread_data_tx) +
2536 32 * (numThreadsTxNumerical == 1),
2537 UCC_GETH_THREAD_DATA_ALIGNMENT);
2538 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2539 if (netif_msg_ifup(ugeth))
2540 ugeth_err
2541 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2542 __func__);
2543 return -ENOMEM;
2544 }
2545
2546 ugeth->p_thread_data_tx =
2547 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2548 thread_dat_tx_offset);
2549 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2550
2551 /* vtagtable */
2552 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2553 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2554 ug_info->vtagtable[i]);
2555
2556 /* iphoffset */
2557 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2558 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2559 ug_info->iphoffset[i]);
2560
2561 /* SQPTR */
2562 /* Size varies with number of Tx queues */
2563 ugeth->send_q_mem_reg_offset =
2564 qe_muram_alloc(ug_info->numQueuesTx *
2565 sizeof(struct ucc_geth_send_queue_qd),
2566 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2567 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2568 if (netif_msg_ifup(ugeth))
2569 ugeth_err
2570 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2571 __func__);
2572 return -ENOMEM;
2573 }
2574
2575 ugeth->p_send_q_mem_reg =
2576 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2577 send_q_mem_reg_offset);
2578 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2579
2580 /* Setup the table */
2581 /* Assume BD rings are already established */
2582 for (i = 0; i < ug_info->numQueuesTx; i++) {
2583 endOfRing =
2584 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2585 1) * sizeof(struct qe_bd);
2586 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2587 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2588 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2589 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2590 last_bd_completed_address,
2591 (u32) virt_to_phys(endOfRing));
2592 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2593 MEM_PART_MURAM) {
2594 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2595 (u32) immrbar_virt_to_phys(ugeth->
2596 p_tx_bd_ring[i]));
2597 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2598 last_bd_completed_address,
2599 (u32) immrbar_virt_to_phys(endOfRing));
2600 }
2601 }
2602
2603 /* schedulerbasepointer */
2604
2605 if (ug_info->numQueuesTx > 1) {
2606 /* scheduler exists only if more than 1 tx queue */
2607 ugeth->scheduler_offset =
2608 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2609 UCC_GETH_SCHEDULER_ALIGNMENT);
2610 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2611 if (netif_msg_ifup(ugeth))
2612 ugeth_err
2613 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2614 __func__);
2615 return -ENOMEM;
2616 }
2617
2618 ugeth->p_scheduler =
2619 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2620 scheduler_offset);
2621 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2622 ugeth->scheduler_offset);
2623 /* Zero out p_scheduler */
2624 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2625
2626 /* Set values in scheduler */
2627 out_be32(&ugeth->p_scheduler->mblinterval,
2628 ug_info->mblinterval);
2629 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2630 ug_info->nortsrbytetime);
2631 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2632 out_8(&ugeth->p_scheduler->strictpriorityq,
2633 ug_info->strictpriorityq);
2634 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2635 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2636 for (i = 0; i < NUM_TX_QUEUES; i++)
2637 out_8(&ugeth->p_scheduler->weightfactor[i],
2638 ug_info->weightfactor[i]);
2639
2640 /* Set pointers to cpucount registers in scheduler */
2641 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2642 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2643 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2644 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2645 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2646 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2647 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2648 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2649 }
2650
2651 /* schedulerbasepointer */
2652 /* TxRMON_PTR (statistics) */
2653 if (ug_info->
2654 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2655 ugeth->tx_fw_statistics_pram_offset =
2656 qe_muram_alloc(sizeof
2657 (struct ucc_geth_tx_firmware_statistics_pram),
2658 UCC_GETH_TX_STATISTICS_ALIGNMENT);
2659 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2660 if (netif_msg_ifup(ugeth))
2661 ugeth_err
2662 ("%s: Can not allocate DPRAM memory for"
2663 " p_tx_fw_statistics_pram.",
2664 __func__);
2665 return -ENOMEM;
2666 }
2667 ugeth->p_tx_fw_statistics_pram =
2668 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2669 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2670 /* Zero out p_tx_fw_statistics_pram */
2671 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2672 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2673 }
2674
2675 /* temoder */
2676 /* Already has speed set */
2677
2678 if (ug_info->numQueuesTx > 1)
2679 temoder |= TEMODER_SCHEDULER_ENABLE;
2680 if (ug_info->ipCheckSumGenerate)
2681 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2682 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2683 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2684
2685 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2686
2687 /* Function code register value to be used later */
2688 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2689 /* Required for QE */
2690
2691 /* function code register */
2692 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2693
2694 /* Rx global PRAM */
2695 /* Allocate global rx parameter RAM page */
2696 ugeth->rx_glbl_pram_offset =
2697 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2698 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2699 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2700 if (netif_msg_ifup(ugeth))
2701 ugeth_err
2702 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2703 __func__);
2704 return -ENOMEM;
2705 }
2706 ugeth->p_rx_glbl_pram =
2707 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2708 rx_glbl_pram_offset);
2709 /* Zero out p_rx_glbl_pram */
2710 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2711
2712 /* Fill global PRAM */
2713
2714 /* RQPTR */
2715 /* Size varies with number of Rx threads */
2716 ugeth->thread_dat_rx_offset =
2717 qe_muram_alloc(numThreadsRxNumerical *
2718 sizeof(struct ucc_geth_thread_data_rx),
2719 UCC_GETH_THREAD_DATA_ALIGNMENT);
2720 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2721 if (netif_msg_ifup(ugeth))
2722 ugeth_err
2723 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2724 __func__);
2725 return -ENOMEM;
2726 }
2727
2728 ugeth->p_thread_data_rx =
2729 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2730 thread_dat_rx_offset);
2731 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2732
2733 /* typeorlen */
2734 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2735
2736 /* rxrmonbaseptr (statistics) */
2737 if (ug_info->
2738 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2739 ugeth->rx_fw_statistics_pram_offset =
2740 qe_muram_alloc(sizeof
2741 (struct ucc_geth_rx_firmware_statistics_pram),
2742 UCC_GETH_RX_STATISTICS_ALIGNMENT);
2743 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2744 if (netif_msg_ifup(ugeth))
2745 ugeth_err
2746 ("%s: Can not allocate DPRAM memory for"
2747 " p_rx_fw_statistics_pram.", __func__);
2748 return -ENOMEM;
2749 }
2750 ugeth->p_rx_fw_statistics_pram =
2751 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2752 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2753 /* Zero out p_rx_fw_statistics_pram */
2754 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2755 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2756 }
2757
2758 /* intCoalescingPtr */
2759
2760 /* Size varies with number of Rx queues */
2761 ugeth->rx_irq_coalescing_tbl_offset =
2762 qe_muram_alloc(ug_info->numQueuesRx *
2763 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2764 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2765 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2766 if (netif_msg_ifup(ugeth))
2767 ugeth_err
2768 ("%s: Can not allocate DPRAM memory for"
2769 " p_rx_irq_coalescing_tbl.", __func__);
2770 return -ENOMEM;
2771 }
2772
2773 ugeth->p_rx_irq_coalescing_tbl =
2774 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2775 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2776 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2777 ugeth->rx_irq_coalescing_tbl_offset);
2778
2779 /* Fill interrupt coalescing table */
2780 for (i = 0; i < ug_info->numQueuesRx; i++) {
2781 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2782 interruptcoalescingmaxvalue,
2783 ug_info->interruptcoalescingmaxvalue[i]);
2784 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2785 interruptcoalescingcounter,
2786 ug_info->interruptcoalescingmaxvalue[i]);
2787 }
2788
2789 /* MRBLR */
2790 init_max_rx_buff_len(uf_info->max_rx_buf_length,
2791 &ugeth->p_rx_glbl_pram->mrblr);
2792 /* MFLR */
2793 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2794 /* MINFLR */
2795 init_min_frame_len(ug_info->minFrameLength,
2796 &ugeth->p_rx_glbl_pram->minflr,
2797 &ugeth->p_rx_glbl_pram->mrblr);
2798 /* MAXD1 */
2799 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2800 /* MAXD2 */
2801 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2802
2803 /* l2qt */
2804 l2qt = 0;
2805 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2806 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2807 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2808
2809 /* l3qt */
2810 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2811 l3qt = 0;
2812 for (i = 0; i < 8; i++)
2813 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
2814 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
2815 }
2816
2817 /* vlantype */
2818 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2819
2820 /* vlantci */
2821 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2822
2823 /* ecamptr */
2824 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2825
2826 /* RBDQPTR */
2827 /* Size varies with number of Rx queues */
2828 ugeth->rx_bd_qs_tbl_offset =
2829 qe_muram_alloc(ug_info->numQueuesRx *
2830 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2831 sizeof(struct ucc_geth_rx_prefetched_bds)),
2832 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
2833 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
2834 if (netif_msg_ifup(ugeth))
2835 ugeth_err
2836 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
2837 __func__);
2838 return -ENOMEM;
2839 }
2840
2841 ugeth->p_rx_bd_qs_tbl =
2842 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
2843 rx_bd_qs_tbl_offset);
2844 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2845 /* Zero out p_rx_bd_qs_tbl */
2846 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
2847 0,
2848 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2849 sizeof(struct ucc_geth_rx_prefetched_bds)));
2850
2851 /* Setup the table */
2852 /* Assume BD rings are already established */
2853 for (i = 0; i < ug_info->numQueuesRx; i++) {
2854 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2855 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2856 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2857 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2858 MEM_PART_MURAM) {
2859 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2860 (u32) immrbar_virt_to_phys(ugeth->
2861 p_rx_bd_ring[i]));
2862 }
2863 /* rest of fields handled by QE */
2864 }
2865
2866 /* remoder */
2867 /* Already has speed set */
2868
2869 if (ugeth->rx_extended_features)
2870 remoder |= REMODER_RX_EXTENDED_FEATURES;
2871 if (ug_info->rxExtendedFiltering)
2872 remoder |= REMODER_RX_EXTENDED_FILTERING;
2873 if (ug_info->dynamicMaxFrameLength)
2874 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2875 if (ug_info->dynamicMinFrameLength)
2876 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2877 remoder |=
2878 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2879 remoder |=
2880 ug_info->
2881 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2882 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2883 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2884 if (ug_info->ipCheckSumCheck)
2885 remoder |= REMODER_IP_CHECKSUM_CHECK;
2886 if (ug_info->ipAddressAlignment)
2887 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2888 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2889
2890 /* Note that this function must be called */
2891 /* ONLY AFTER p_tx_fw_statistics_pram */
2892 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2893 init_firmware_statistics_gathering_mode((ug_info->
2894 statisticsMode &
2895 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2896 (ug_info->statisticsMode &
2897 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2898 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2899 ugeth->tx_fw_statistics_pram_offset,
2900 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2901 ugeth->rx_fw_statistics_pram_offset,
2902 &ugeth->p_tx_glbl_pram->temoder,
2903 &ugeth->p_rx_glbl_pram->remoder);
2904
2905 /* function code register */
2906 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
2907
2908 /* initialize extended filtering */
2909 if (ug_info->rxExtendedFiltering) {
2910 if (!ug_info->extendedFilteringChainPointer) {
2911 if (netif_msg_ifup(ugeth))
2912 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
2913 __func__);
2914 return -EINVAL;
2915 }
2916
2917 /* Allocate memory for extended filtering Mode Global
2918 Parameters */
2919 ugeth->exf_glbl_param_offset =
2920 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
2921 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
2922 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
2923 if (netif_msg_ifup(ugeth))
2924 ugeth_err
2925 ("%s: Can not allocate DPRAM memory for"
2926 " p_exf_glbl_param.", __func__);
2927 return -ENOMEM;
2928 }
2929
2930 ugeth->p_exf_glbl_param =
2931 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
2932 exf_glbl_param_offset);
2933 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2934 ugeth->exf_glbl_param_offset);
2935 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2936 (u32) ug_info->extendedFilteringChainPointer);
2937
2938 } else { /* initialize 82xx style address filtering */
2939
2940 /* Init individual address recognition registers to disabled */
2941
2942 for (j = 0; j < NUM_OF_PADDRS; j++)
2943 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2944
2945 p_82xx_addr_filt =
2946 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2947 p_rx_glbl_pram->addressfiltering;
2948
2949 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2950 ENET_ADDR_TYPE_GROUP);
2951 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2952 ENET_ADDR_TYPE_INDIVIDUAL);
2953 }
2954
2955 /*
2956 * Initialize UCC at QE level
2957 */
2958
2959 command = QE_INIT_TX_RX;
2960
2961 /* Allocate shadow InitEnet command parameter structure.
2962 * This is needed because after the InitEnet command is executed,
2963 * the structure in DPRAM is released, because DPRAM is a premium
2964 * resource.
2965 * This shadow structure keeps a copy of what was done so that the
2966 * allocated resources can be released when the channel is freed.
2967 */
2968 if (!(ugeth->p_init_enet_param_shadow =
2969 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
2970 if (netif_msg_ifup(ugeth))
2971 ugeth_err
2972 ("%s: Can not allocate memory for"
2973 " p_UccInitEnetParamShadows.", __func__);
2974 return -ENOMEM;
2975 }
2976 /* Zero out *p_init_enet_param_shadow */
2977 memset((char *)ugeth->p_init_enet_param_shadow,
2978 0, sizeof(struct ucc_geth_init_pram));
2979
2980 /* Fill shadow InitEnet command parameter structure */
2981
2982 ugeth->p_init_enet_param_shadow->resinit1 =
2983 ENET_INIT_PARAM_MAGIC_RES_INIT1;
2984 ugeth->p_init_enet_param_shadow->resinit2 =
2985 ENET_INIT_PARAM_MAGIC_RES_INIT2;
2986 ugeth->p_init_enet_param_shadow->resinit3 =
2987 ENET_INIT_PARAM_MAGIC_RES_INIT3;
2988 ugeth->p_init_enet_param_shadow->resinit4 =
2989 ENET_INIT_PARAM_MAGIC_RES_INIT4;
2990 ugeth->p_init_enet_param_shadow->resinit5 =
2991 ENET_INIT_PARAM_MAGIC_RES_INIT5;
2992 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2993 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2994 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2995 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2996
2997 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2998 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
2999 if ((ug_info->largestexternallookupkeysize !=
3000 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) &&
3001 (ug_info->largestexternallookupkeysize !=
3002 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) &&
3003 (ug_info->largestexternallookupkeysize !=
3004 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3005 if (netif_msg_ifup(ugeth))
3006 ugeth_err("%s: Invalid largest External Lookup Key Size.",
3007 __func__);
3008 return -EINVAL;
3009 }
3010 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3011 ug_info->largestexternallookupkeysize;
3012 size = sizeof(struct ucc_geth_thread_rx_pram);
3013 if (ug_info->rxExtendedFiltering) {
3014 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3015 if (ug_info->largestexternallookupkeysize ==
3016 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3017 size +=
3018 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3019 if (ug_info->largestexternallookupkeysize ==
3020 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3021 size +=
3022 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3023 }
3024
3025 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3026 p_init_enet_param_shadow->rxthread[0]),
3027 (u8) (numThreadsRxNumerical + 1)
3028 /* Rx needs one extra for terminator */
3029 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3030 ug_info->riscRx, 1)) != 0) {
3031 if (netif_msg_ifup(ugeth))
3032 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3033 __func__);
3034 return ret_val;
3035 }
3036
3037 ugeth->p_init_enet_param_shadow->txglobal =
3038 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3039 if ((ret_val =
3040 fill_init_enet_entries(ugeth,
3041 &(ugeth->p_init_enet_param_shadow->
3042 txthread[0]), numThreadsTxNumerical,
3043 sizeof(struct ucc_geth_thread_tx_pram),
3044 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3045 ug_info->riscTx, 0)) != 0) {
3046 if (netif_msg_ifup(ugeth))
3047 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3048 __func__);
3049 return ret_val;
3050 }
3051
3052 /* Load Rx bds with buffers */
3053 for (i = 0; i < ug_info->numQueuesRx; i++) {
3054 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3055 if (netif_msg_ifup(ugeth))
3056 ugeth_err("%s: Can not fill Rx bds with buffers.",
3057 __func__);
3058 return ret_val;
3059 }
3060 }
3061
3062 /* Allocate InitEnet command parameter structure */
3063 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3064 if (IS_ERR_VALUE(init_enet_pram_offset)) {
3065 if (netif_msg_ifup(ugeth))
3066 ugeth_err
3067 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3068 __func__);
3069 return -ENOMEM;
3070 }
3071 p_init_enet_pram =
3072 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3073
3074 /* Copy shadow InitEnet command parameter structure into PRAM */
3075 out_8(&p_init_enet_pram->resinit1,
3076 ugeth->p_init_enet_param_shadow->resinit1);
3077 out_8(&p_init_enet_pram->resinit2,
3078 ugeth->p_init_enet_param_shadow->resinit2);
3079 out_8(&p_init_enet_pram->resinit3,
3080 ugeth->p_init_enet_param_shadow->resinit3);
3081 out_8(&p_init_enet_pram->resinit4,
3082 ugeth->p_init_enet_param_shadow->resinit4);
3083 out_be16(&p_init_enet_pram->resinit5,
3084 ugeth->p_init_enet_param_shadow->resinit5);
3085 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3086 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3087 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3088 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3089 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3090 out_be32(&p_init_enet_pram->rxthread[i],
3091 ugeth->p_init_enet_param_shadow->rxthread[i]);
3092 out_be32(&p_init_enet_pram->txglobal,
3093 ugeth->p_init_enet_param_shadow->txglobal);
3094 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3095 out_be32(&p_init_enet_pram->txthread[i],
3096 ugeth->p_init_enet_param_shadow->txthread[i]);
3097
3098 /* Issue QE command */
3099 cecr_subblock =
3100 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3101 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3102 init_enet_pram_offset);
3103
3104 /* Free InitEnet command parameter */
3105 qe_muram_free(init_enet_pram_offset);
3106
3107 return 0;
3108 }
3109
3110 /* This is called by the kernel when a frame is ready for transmission. */
3111 /* It is pointed to by the dev->hard_start_xmit function pointer */
3112 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3113 {
3114 struct ucc_geth_private *ugeth = netdev_priv(dev);
3115 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3116 struct ucc_fast_private *uccf;
3117 #endif
3118 u8 __iomem *bd; /* BD pointer */
3119 u32 bd_status;
3120 u8 txQ = 0;
3121 unsigned long flags;
3122
3123 ugeth_vdbg("%s: IN", __func__);
3124
3125 spin_lock_irqsave(&ugeth->lock, flags);
3126
3127 dev->stats.tx_bytes += skb->len;
3128
3129 /* Start from the next BD that should be filled */
3130 bd = ugeth->txBd[txQ];
3131 bd_status = in_be32((u32 __iomem *)bd);
3132 /* Save the skb pointer so we can free it later */
3133 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3134
3135 /* Update the current skb pointer (wrapping if this was the last) */
3136 ugeth->skb_curtx[txQ] =
3137 (ugeth->skb_curtx[txQ] +
3138 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3139
3140 /* set up the buffer descriptor */
3141 out_be32(&((struct qe_bd __iomem *)bd)->buf,
3142 dma_map_single(ugeth->dev, skb->data,
3143 skb->len, DMA_TO_DEVICE));
3144
3145 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3146
3147 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3148
3149 /* set bd status and length */
3150 out_be32((u32 __iomem *)bd, bd_status);
3151
3152 /* Move to next BD in the ring */
3153 if (!(bd_status & T_W))
3154 bd += sizeof(struct qe_bd);
3155 else
3156 bd = ugeth->p_tx_bd_ring[txQ];
3157
3158 /* If the next BD still needs to be cleaned up, then the bds
3159 are full. We need to tell the kernel to stop sending us stuff. */
3160 if (bd == ugeth->confBd[txQ]) {
3161 if (!netif_queue_stopped(dev))
3162 netif_stop_queue(dev);
3163 }
3164
3165 ugeth->txBd[txQ] = bd;
3166
3167 if (ugeth->p_scheduler) {
3168 ugeth->cpucount[txQ]++;
3169 /* Indicate to QE that there are more Tx bds ready for
3170 transmission */
3171 /* This is done by writing a running counter of the bd
3172 count to the scheduler PRAM. */
3173 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3174 }
3175
3176 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3177 uccf = ugeth->uccf;
3178 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3179 #endif
3180 spin_unlock_irqrestore(&ugeth->lock, flags);
3181
3182 return NETDEV_TX_OK;
3183 }
3184
3185 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3186 {
3187 struct sk_buff *skb;
3188 u8 __iomem *bd;
3189 u16 length, howmany = 0;
3190 u32 bd_status;
3191 u8 *bdBuffer;
3192 struct net_device *dev;
3193
3194 ugeth_vdbg("%s: IN", __func__);
3195
3196 dev = ugeth->ndev;
3197
3198 /* collect received buffers */
3199 bd = ugeth->rxBd[rxQ];
3200
3201 bd_status = in_be32((u32 __iomem *)bd);
3202
3203 /* while there are received buffers and BD is full (~R_E) */
3204 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3205 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3206 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3207 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3208
3209 /* determine whether buffer is first, last, first and last
3210 (single buffer frame) or middle (not first and not last) */
3211 if (!skb ||
3212 (!(bd_status & (R_F | R_L))) ||
3213 (bd_status & R_ERRORS_FATAL)) {
3214 if (netif_msg_rx_err(ugeth))
3215 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3216 __func__, __LINE__, (u32) skb);
3217 if (skb) {
3218 skb->data = skb->head + NET_SKB_PAD;
3219 skb->len = 0;
3220 skb_reset_tail_pointer(skb);
3221 __skb_queue_head(&ugeth->rx_recycle, skb);
3222 }
3223
3224 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3225 dev->stats.rx_dropped++;
3226 } else {
3227 dev->stats.rx_packets++;
3228 howmany++;
3229
3230 /* Prep the skb for the packet */
3231 skb_put(skb, length);
3232
3233 /* Tell the skb what kind of packet this is */
3234 skb->protocol = eth_type_trans(skb, ugeth->ndev);
3235
3236 dev->stats.rx_bytes += length;
3237 /* Send the packet up the stack */
3238 netif_receive_skb(skb);
3239 }
3240
3241 skb = get_new_skb(ugeth, bd);
3242 if (!skb) {
3243 if (netif_msg_rx_err(ugeth))
3244 ugeth_warn("%s: No Rx Data Buffer", __func__);
3245 dev->stats.rx_dropped++;
3246 break;
3247 }
3248
3249 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3250
3251 /* update to point at the next skb */
3252 ugeth->skb_currx[rxQ] =
3253 (ugeth->skb_currx[rxQ] +
3254 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3255
3256 if (bd_status & R_W)
3257 bd = ugeth->p_rx_bd_ring[rxQ];
3258 else
3259 bd += sizeof(struct qe_bd);
3260
3261 bd_status = in_be32((u32 __iomem *)bd);
3262 }
3263
3264 ugeth->rxBd[rxQ] = bd;
3265 return howmany;
3266 }
3267
3268 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3269 {
3270 /* Start from the next BD that should be filled */
3271 struct ucc_geth_private *ugeth = netdev_priv(dev);
3272 u8 __iomem *bd; /* BD pointer */
3273 u32 bd_status;
3274
3275 bd = ugeth->confBd[txQ];
3276 bd_status = in_be32((u32 __iomem *)bd);
3277
3278 /* Normal processing. */
3279 while ((bd_status & T_R) == 0) {
3280 struct sk_buff *skb;
3281
3282 /* BD contains already transmitted buffer. */
3283 /* Handle the transmitted buffer and release */
3284 /* the BD to be used with the current frame */
3285
3286 skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]];
3287 if (!skb)
3288 break;
3289
3290 dev->stats.tx_packets++;
3291
3292 if (skb_queue_len(&ugeth->rx_recycle) < RX_BD_RING_LEN &&
3293 skb_recycle_check(skb,
3294 ugeth->ug_info->uf_info.max_rx_buf_length +
3295 UCC_GETH_RX_DATA_BUF_ALIGNMENT))
3296 __skb_queue_head(&ugeth->rx_recycle, skb);
3297 else
3298 dev_kfree_skb(skb);
3299
3300 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3301 ugeth->skb_dirtytx[txQ] =
3302 (ugeth->skb_dirtytx[txQ] +
3303 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3304
3305 /* We freed a buffer, so now we can restart transmission */
3306 if (netif_queue_stopped(dev))
3307 netif_wake_queue(dev);
3308
3309 /* Advance the confirmation BD pointer */
3310 if (!(bd_status & T_W))
3311 bd += sizeof(struct qe_bd);
3312 else
3313 bd = ugeth->p_tx_bd_ring[txQ];
3314 bd_status = in_be32((u32 __iomem *)bd);
3315 }
3316 ugeth->confBd[txQ] = bd;
3317 return 0;
3318 }
3319
3320 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3321 {
3322 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3323 struct ucc_geth_info *ug_info;
3324 int howmany, i;
3325
3326 ug_info = ugeth->ug_info;
3327
3328 /* Tx event processing */
3329 spin_lock(&ugeth->lock);
3330 for (i = 0; i < ug_info->numQueuesTx; i++)
3331 ucc_geth_tx(ugeth->ndev, i);
3332 spin_unlock(&ugeth->lock);
3333
3334 howmany = 0;
3335 for (i = 0; i < ug_info->numQueuesRx; i++)
3336 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3337
3338 if (howmany < budget) {
3339 napi_complete(napi);
3340 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3341 }
3342
3343 return howmany;
3344 }
3345
3346 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3347 {
3348 struct net_device *dev = info;
3349 struct ucc_geth_private *ugeth = netdev_priv(dev);
3350 struct ucc_fast_private *uccf;
3351 struct ucc_geth_info *ug_info;
3352 register u32 ucce;
3353 register u32 uccm;
3354
3355 ugeth_vdbg("%s: IN", __func__);
3356
3357 uccf = ugeth->uccf;
3358 ug_info = ugeth->ug_info;
3359
3360 /* read and clear events */
3361 ucce = (u32) in_be32(uccf->p_ucce);
3362 uccm = (u32) in_be32(uccf->p_uccm);
3363 ucce &= uccm;
3364 out_be32(uccf->p_ucce, ucce);
3365
3366 /* check for receive events that require processing */
3367 if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) {
3368 if (napi_schedule_prep(&ugeth->napi)) {
3369 uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3370 out_be32(uccf->p_uccm, uccm);
3371 __napi_schedule(&ugeth->napi);
3372 }
3373 }
3374
3375 /* Errors and other events */
3376 if (ucce & UCCE_OTHER) {
3377 if (ucce & UCC_GETH_UCCE_BSY)
3378 dev->stats.rx_errors++;
3379 if (ucce & UCC_GETH_UCCE_TXE)
3380 dev->stats.tx_errors++;
3381 }
3382
3383 return IRQ_HANDLED;
3384 }
3385
3386 #ifdef CONFIG_NET_POLL_CONTROLLER
3387 /*
3388 * Polling 'interrupt' - used by things like netconsole to send skbs
3389 * without having to re-enable interrupts. It's not called while
3390 * the interrupt routine is executing.
3391 */
3392 static void ucc_netpoll(struct net_device *dev)
3393 {
3394 struct ucc_geth_private *ugeth = netdev_priv(dev);
3395 int irq = ugeth->ug_info->uf_info.irq;
3396
3397 disable_irq(irq);
3398 ucc_geth_irq_handler(irq, dev);
3399 enable_irq(irq);
3400 }
3401 #endif /* CONFIG_NET_POLL_CONTROLLER */
3402
3403 static int ucc_geth_set_mac_addr(struct net_device *dev, void *p)
3404 {
3405 struct ucc_geth_private *ugeth = netdev_priv(dev);
3406 struct sockaddr *addr = p;
3407
3408 if (!is_valid_ether_addr(addr->sa_data))
3409 return -EADDRNOTAVAIL;
3410
3411 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3412
3413 /*
3414 * If device is not running, we will set mac addr register
3415 * when opening the device.
3416 */
3417 if (!netif_running(dev))
3418 return 0;
3419
3420 spin_lock_irq(&ugeth->lock);
3421 init_mac_station_addr_regs(dev->dev_addr[0],
3422 dev->dev_addr[1],
3423 dev->dev_addr[2],
3424 dev->dev_addr[3],
3425 dev->dev_addr[4],
3426 dev->dev_addr[5],
3427 &ugeth->ug_regs->macstnaddr1,
3428 &ugeth->ug_regs->macstnaddr2);
3429 spin_unlock_irq(&ugeth->lock);
3430
3431 return 0;
3432 }
3433
3434 static int ucc_geth_init_mac(struct ucc_geth_private *ugeth)
3435 {
3436 struct net_device *dev = ugeth->ndev;
3437 int err;
3438
3439 err = ucc_struct_init(ugeth);
3440 if (err) {
3441 if (netif_msg_ifup(ugeth))
3442 ugeth_err("%s: Cannot configure internal struct, "
3443 "aborting.", dev->name);
3444 goto err;
3445 }
3446
3447 err = ucc_geth_startup(ugeth);
3448 if (err) {
3449 if (netif_msg_ifup(ugeth))
3450 ugeth_err("%s: Cannot configure net device, aborting.",
3451 dev->name);
3452 goto err;
3453 }
3454
3455 err = adjust_enet_interface(ugeth);
3456 if (err) {
3457 if (netif_msg_ifup(ugeth))
3458 ugeth_err("%s: Cannot configure net device, aborting.",
3459 dev->name);
3460 goto err;
3461 }
3462
3463 /* Set MACSTNADDR1, MACSTNADDR2 */
3464 /* For more details see the hardware spec. */
3465 init_mac_station_addr_regs(dev->dev_addr[0],
3466 dev->dev_addr[1],
3467 dev->dev_addr[2],
3468 dev->dev_addr[3],
3469 dev->dev_addr[4],
3470 dev->dev_addr[5],
3471 &ugeth->ug_regs->macstnaddr1,
3472 &ugeth->ug_regs->macstnaddr2);
3473
3474 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3475 if (err) {
3476 if (netif_msg_ifup(ugeth))
3477 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3478 goto err;
3479 }
3480
3481 return 0;
3482 err:
3483 ucc_geth_stop(ugeth);
3484 return err;
3485 }
3486
3487 /* Called when something needs to use the ethernet device */
3488 /* Returns 0 for success. */
3489 static int ucc_geth_open(struct net_device *dev)
3490 {
3491 struct ucc_geth_private *ugeth = netdev_priv(dev);
3492 int err;
3493
3494 ugeth_vdbg("%s: IN", __func__);
3495
3496 /* Test station address */
3497 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3498 if (netif_msg_ifup(ugeth))
3499 ugeth_err("%s: Multicast address used for station "
3500 "address - is this what you wanted?",
3501 __func__);
3502 return -EINVAL;
3503 }
3504
3505 err = init_phy(dev);
3506 if (err) {
3507 if (netif_msg_ifup(ugeth))
3508 ugeth_err("%s: Cannot initialize PHY, aborting.",
3509 dev->name);
3510 return err;
3511 }
3512
3513 err = ucc_geth_init_mac(ugeth);
3514 if (err) {
3515 if (netif_msg_ifup(ugeth))
3516 ugeth_err("%s: Cannot initialize MAC, aborting.",
3517 dev->name);
3518 goto err;
3519 }
3520
3521 err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3522 0, "UCC Geth", dev);
3523 if (err) {
3524 if (netif_msg_ifup(ugeth))
3525 ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3526 dev->name);
3527 goto err;
3528 }
3529
3530 phy_start(ugeth->phydev);
3531 napi_enable(&ugeth->napi);
3532 netif_start_queue(dev);
3533
3534 device_set_wakeup_capable(&dev->dev,
3535 qe_alive_during_sleep() || ugeth->phydev->irq);
3536 device_set_wakeup_enable(&dev->dev, ugeth->wol_en);
3537
3538 return err;
3539
3540 err:
3541 ucc_geth_stop(ugeth);
3542 return err;
3543 }
3544
3545 /* Stops the kernel queue, and halts the controller */
3546 static int ucc_geth_close(struct net_device *dev)
3547 {
3548 struct ucc_geth_private *ugeth = netdev_priv(dev);
3549
3550 ugeth_vdbg("%s: IN", __func__);
3551
3552 napi_disable(&ugeth->napi);
3553
3554 cancel_work_sync(&ugeth->timeout_work);
3555 ucc_geth_stop(ugeth);
3556 phy_disconnect(ugeth->phydev);
3557 ugeth->phydev = NULL;
3558
3559 free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev);
3560
3561 netif_stop_queue(dev);
3562
3563 return 0;
3564 }
3565
3566 /* Reopen device. This will reset the MAC and PHY. */
3567 static void ucc_geth_timeout_work(struct work_struct *work)
3568 {
3569 struct ucc_geth_private *ugeth;
3570 struct net_device *dev;
3571
3572 ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3573 dev = ugeth->ndev;
3574
3575 ugeth_vdbg("%s: IN", __func__);
3576
3577 dev->stats.tx_errors++;
3578
3579 ugeth_dump_regs(ugeth);
3580
3581 if (dev->flags & IFF_UP) {
3582 /*
3583 * Must reset MAC *and* PHY. This is done by reopening
3584 * the device.
3585 */
3586 netif_tx_stop_all_queues(dev);
3587 ucc_geth_stop(ugeth);
3588 ucc_geth_init_mac(ugeth);
3589 /* Must start PHY here */
3590 phy_start(ugeth->phydev);
3591 netif_tx_start_all_queues(dev);
3592 }
3593
3594 netif_tx_schedule_all(dev);
3595 }
3596
3597 /*
3598 * ucc_geth_timeout gets called when a packet has not been
3599 * transmitted after a set amount of time.
3600 */
3601 static void ucc_geth_timeout(struct net_device *dev)
3602 {
3603 struct ucc_geth_private *ugeth = netdev_priv(dev);
3604
3605 schedule_work(&ugeth->timeout_work);
3606 }
3607
3608
3609 #ifdef CONFIG_PM
3610
3611 static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state)
3612 {
3613 struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3614 struct ucc_geth_private *ugeth = netdev_priv(ndev);
3615
3616 if (!netif_running(ndev))
3617 return 0;
3618
3619 netif_device_detach(ndev);
3620 napi_disable(&ugeth->napi);
3621
3622 /*
3623 * Disable the controller, otherwise we'll wakeup on any network
3624 * activity.
3625 */
3626 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
3627
3628 if (ugeth->wol_en & WAKE_MAGIC) {
3629 setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3630 setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3631 ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3632 } else if (!(ugeth->wol_en & WAKE_PHY)) {
3633 phy_stop(ugeth->phydev);
3634 }
3635
3636 return 0;
3637 }
3638
3639 static int ucc_geth_resume(struct platform_device *ofdev)
3640 {
3641 struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3642 struct ucc_geth_private *ugeth = netdev_priv(ndev);
3643 int err;
3644
3645 if (!netif_running(ndev))
3646 return 0;
3647
3648 if (qe_alive_during_sleep()) {
3649 if (ugeth->wol_en & WAKE_MAGIC) {
3650 ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3651 clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3652 clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3653 }
3654 ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3655 } else {
3656 /*
3657 * Full reinitialization is required if QE shuts down
3658 * during sleep.
3659 */
3660 ucc_geth_memclean(ugeth);
3661
3662 err = ucc_geth_init_mac(ugeth);
3663 if (err) {
3664 ugeth_err("%s: Cannot initialize MAC, aborting.",
3665 ndev->name);
3666 return err;
3667 }
3668 }
3669
3670 ugeth->oldlink = 0;
3671 ugeth->oldspeed = 0;
3672 ugeth->oldduplex = -1;
3673
3674 phy_stop(ugeth->phydev);
3675 phy_start(ugeth->phydev);
3676
3677 napi_enable(&ugeth->napi);
3678 netif_device_attach(ndev);
3679
3680 return 0;
3681 }
3682
3683 #else
3684 #define ucc_geth_suspend NULL
3685 #define ucc_geth_resume NULL
3686 #endif
3687
3688 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3689 {
3690 if (strcasecmp(phy_connection_type, "mii") == 0)
3691 return PHY_INTERFACE_MODE_MII;
3692 if (strcasecmp(phy_connection_type, "gmii") == 0)
3693 return PHY_INTERFACE_MODE_GMII;
3694 if (strcasecmp(phy_connection_type, "tbi") == 0)
3695 return PHY_INTERFACE_MODE_TBI;
3696 if (strcasecmp(phy_connection_type, "rmii") == 0)
3697 return PHY_INTERFACE_MODE_RMII;
3698 if (strcasecmp(phy_connection_type, "rgmii") == 0)
3699 return PHY_INTERFACE_MODE_RGMII;
3700 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3701 return PHY_INTERFACE_MODE_RGMII_ID;
3702 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3703 return PHY_INTERFACE_MODE_RGMII_TXID;
3704 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3705 return PHY_INTERFACE_MODE_RGMII_RXID;
3706 if (strcasecmp(phy_connection_type, "rtbi") == 0)
3707 return PHY_INTERFACE_MODE_RTBI;
3708 if (strcasecmp(phy_connection_type, "sgmii") == 0)
3709 return PHY_INTERFACE_MODE_SGMII;
3710
3711 return PHY_INTERFACE_MODE_MII;
3712 }
3713
3714 static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3715 {
3716 struct ucc_geth_private *ugeth = netdev_priv(dev);
3717
3718 if (!netif_running(dev))
3719 return -EINVAL;
3720
3721 if (!ugeth->phydev)
3722 return -ENODEV;
3723
3724 return phy_mii_ioctl(ugeth->phydev, rq, cmd);
3725 }
3726
3727 static const struct net_device_ops ucc_geth_netdev_ops = {
3728 .ndo_open = ucc_geth_open,
3729 .ndo_stop = ucc_geth_close,
3730 .ndo_start_xmit = ucc_geth_start_xmit,
3731 .ndo_validate_addr = eth_validate_addr,
3732 .ndo_set_mac_address = ucc_geth_set_mac_addr,
3733 .ndo_change_mtu = eth_change_mtu,
3734 .ndo_set_multicast_list = ucc_geth_set_multi,
3735 .ndo_tx_timeout = ucc_geth_timeout,
3736 .ndo_do_ioctl = ucc_geth_ioctl,
3737 #ifdef CONFIG_NET_POLL_CONTROLLER
3738 .ndo_poll_controller = ucc_netpoll,
3739 #endif
3740 };
3741
3742 static int ucc_geth_probe(struct platform_device* ofdev, const struct of_device_id *match)
3743 {
3744 struct device *device = &ofdev->dev;
3745 struct device_node *np = ofdev->dev.of_node;
3746 struct net_device *dev = NULL;
3747 struct ucc_geth_private *ugeth = NULL;
3748 struct ucc_geth_info *ug_info;
3749 struct resource res;
3750 int err, ucc_num, max_speed = 0;
3751 const unsigned int *prop;
3752 const char *sprop;
3753 const void *mac_addr;
3754 phy_interface_t phy_interface;
3755 static const int enet_to_speed[] = {
3756 SPEED_10, SPEED_10, SPEED_10,
3757 SPEED_100, SPEED_100, SPEED_100,
3758 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3759 };
3760 static const phy_interface_t enet_to_phy_interface[] = {
3761 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3762 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3763 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3764 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3765 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3766 PHY_INTERFACE_MODE_SGMII,
3767 };
3768
3769 ugeth_vdbg("%s: IN", __func__);
3770
3771 prop = of_get_property(np, "cell-index", NULL);
3772 if (!prop) {
3773 prop = of_get_property(np, "device-id", NULL);
3774 if (!prop)
3775 return -ENODEV;
3776 }
3777
3778 ucc_num = *prop - 1;
3779 if ((ucc_num < 0) || (ucc_num > 7))
3780 return -ENODEV;
3781
3782 ug_info = &ugeth_info[ucc_num];
3783 if (ug_info == NULL) {
3784 if (netif_msg_probe(&debug))
3785 ugeth_err("%s: [%d] Missing additional data!",
3786 __func__, ucc_num);
3787 return -ENODEV;
3788 }
3789
3790 ug_info->uf_info.ucc_num = ucc_num;
3791
3792 sprop = of_get_property(np, "rx-clock-name", NULL);
3793 if (sprop) {
3794 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3795 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3796 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3797 printk(KERN_ERR
3798 "ucc_geth: invalid rx-clock-name property\n");
3799 return -EINVAL;
3800 }
3801 } else {
3802 prop = of_get_property(np, "rx-clock", NULL);
3803 if (!prop) {
3804 /* If both rx-clock-name and rx-clock are missing,
3805 we want to tell people to use rx-clock-name. */
3806 printk(KERN_ERR
3807 "ucc_geth: missing rx-clock-name property\n");
3808 return -EINVAL;
3809 }
3810 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3811 printk(KERN_ERR
3812 "ucc_geth: invalid rx-clock propperty\n");
3813 return -EINVAL;
3814 }
3815 ug_info->uf_info.rx_clock = *prop;
3816 }
3817
3818 sprop = of_get_property(np, "tx-clock-name", NULL);
3819 if (sprop) {
3820 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3821 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3822 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3823 printk(KERN_ERR
3824 "ucc_geth: invalid tx-clock-name property\n");
3825 return -EINVAL;
3826 }
3827 } else {
3828 prop = of_get_property(np, "tx-clock", NULL);
3829 if (!prop) {
3830 printk(KERN_ERR
3831 "ucc_geth: missing tx-clock-name property\n");
3832 return -EINVAL;
3833 }
3834 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3835 printk(KERN_ERR
3836 "ucc_geth: invalid tx-clock property\n");
3837 return -EINVAL;
3838 }
3839 ug_info->uf_info.tx_clock = *prop;
3840 }
3841
3842 err = of_address_to_resource(np, 0, &res);
3843 if (err)
3844 return -EINVAL;
3845
3846 ug_info->uf_info.regs = res.start;
3847 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3848
3849 ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0);
3850
3851 /* Find the TBI PHY node. If it's not there, we don't support SGMII */
3852 ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0);
3853
3854 /* get the phy interface type, or default to MII */
3855 prop = of_get_property(np, "phy-connection-type", NULL);
3856 if (!prop) {
3857 /* handle interface property present in old trees */
3858 prop = of_get_property(ug_info->phy_node, "interface", NULL);
3859 if (prop != NULL) {
3860 phy_interface = enet_to_phy_interface[*prop];
3861 max_speed = enet_to_speed[*prop];
3862 } else
3863 phy_interface = PHY_INTERFACE_MODE_MII;
3864 } else {
3865 phy_interface = to_phy_interface((const char *)prop);
3866 }
3867
3868 /* get speed, or derive from PHY interface */
3869 if (max_speed == 0)
3870 switch (phy_interface) {
3871 case PHY_INTERFACE_MODE_GMII:
3872 case PHY_INTERFACE_MODE_RGMII:
3873 case PHY_INTERFACE_MODE_RGMII_ID:
3874 case PHY_INTERFACE_MODE_RGMII_RXID:
3875 case PHY_INTERFACE_MODE_RGMII_TXID:
3876 case PHY_INTERFACE_MODE_TBI:
3877 case PHY_INTERFACE_MODE_RTBI:
3878 case PHY_INTERFACE_MODE_SGMII:
3879 max_speed = SPEED_1000;
3880 break;
3881 default:
3882 max_speed = SPEED_100;
3883 break;
3884 }
3885
3886 if (max_speed == SPEED_1000) {
3887 /* configure muram FIFOs for gigabit operation */
3888 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3889 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3890 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3891 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3892 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3893 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3894 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3895
3896 /* If QE's snum number is 46 which means we need to support
3897 * 4 UECs at 1000Base-T simultaneously, we need to allocate
3898 * more Threads to Rx.
3899 */
3900 if (qe_get_num_of_snums() == 46)
3901 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6;
3902 else
3903 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3904 }
3905
3906 if (netif_msg_probe(&debug))
3907 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d)\n",
3908 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3909 ug_info->uf_info.irq);
3910
3911 /* Create an ethernet device instance */
3912 dev = alloc_etherdev(sizeof(*ugeth));
3913
3914 if (dev == NULL)
3915 return -ENOMEM;
3916
3917 ugeth = netdev_priv(dev);
3918 spin_lock_init(&ugeth->lock);
3919
3920 /* Create CQs for hash tables */
3921 INIT_LIST_HEAD(&ugeth->group_hash_q);
3922 INIT_LIST_HEAD(&ugeth->ind_hash_q);
3923
3924 dev_set_drvdata(device, dev);
3925
3926 /* Set the dev->base_addr to the gfar reg region */
3927 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3928
3929 SET_NETDEV_DEV(dev, device);
3930
3931 /* Fill in the dev structure */
3932 uec_set_ethtool_ops(dev);
3933 dev->netdev_ops = &ucc_geth_netdev_ops;
3934 dev->watchdog_timeo = TX_TIMEOUT;
3935 INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
3936 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64);
3937 dev->mtu = 1500;
3938
3939 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3940 ugeth->phy_interface = phy_interface;
3941 ugeth->max_speed = max_speed;
3942
3943 err = register_netdev(dev);
3944 if (err) {
3945 if (netif_msg_probe(ugeth))
3946 ugeth_err("%s: Cannot register net device, aborting.",
3947 dev->name);
3948 free_netdev(dev);
3949 return err;
3950 }
3951
3952 mac_addr = of_get_mac_address(np);
3953 if (mac_addr)
3954 memcpy(dev->dev_addr, mac_addr, 6);
3955
3956 ugeth->ug_info = ug_info;
3957 ugeth->dev = device;
3958 ugeth->ndev = dev;
3959 ugeth->node = np;
3960
3961 return 0;
3962 }
3963
3964 static int ucc_geth_remove(struct platform_device* ofdev)
3965 {
3966 struct device *device = &ofdev->dev;
3967 struct net_device *dev = dev_get_drvdata(device);
3968 struct ucc_geth_private *ugeth = netdev_priv(dev);
3969
3970 unregister_netdev(dev);
3971 free_netdev(dev);
3972 ucc_geth_memclean(ugeth);
3973 dev_set_drvdata(device, NULL);
3974
3975 return 0;
3976 }
3977
3978 static struct of_device_id ucc_geth_match[] = {
3979 {
3980 .type = "network",
3981 .compatible = "ucc_geth",
3982 },
3983 {},
3984 };
3985
3986 MODULE_DEVICE_TABLE(of, ucc_geth_match);
3987
3988 static struct of_platform_driver ucc_geth_driver = {
3989 .driver = {
3990 .name = DRV_NAME,
3991 .owner = THIS_MODULE,
3992 .of_match_table = ucc_geth_match,
3993 },
3994 .probe = ucc_geth_probe,
3995 .remove = ucc_geth_remove,
3996 .suspend = ucc_geth_suspend,
3997 .resume = ucc_geth_resume,
3998 };
3999
4000 static int __init ucc_geth_init(void)
4001 {
4002 int i, ret;
4003
4004 if (netif_msg_drv(&debug))
4005 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4006 for (i = 0; i < 8; i++)
4007 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4008 sizeof(ugeth_primary_info));
4009
4010 ret = of_register_platform_driver(&ucc_geth_driver);
4011
4012 return ret;
4013 }
4014
4015 static void __exit ucc_geth_exit(void)
4016 {
4017 of_unregister_platform_driver(&ucc_geth_driver);
4018 }
4019
4020 module_init(ucc_geth_init);
4021 module_exit(ucc_geth_exit);
4022
4023 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4024 MODULE_DESCRIPTION(DRV_DESC);
4025 MODULE_VERSION(DRV_VERSION);
4026 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree