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usb: musb: hold context on musb structure
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / ucc_geth.c
bloba4c3f5708246e9038ac716c4b8e9b7b06abeb28e
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 /* Disable the controller */
2054 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2055
2056 /* Tell the kernel the link is down */
2057 phy_stop(phydev);
2058
2059 /* Mask all interrupts */
2060 out_be32(ugeth->uccf->p_uccm, 0x00000000);
2061
2062 /* Clear all interrupts */
2063 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2064
2065 /* Disable Rx and Tx */
2066 clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2067
2068 phy_disconnect(ugeth->phydev);
2069 ugeth->phydev = NULL;
2070
2071 ucc_geth_memclean(ugeth);
2072 }
2073
2074 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2075 {
2076 struct ucc_geth_info *ug_info;
2077 struct ucc_fast_info *uf_info;
2078 int i;
2079
2080 ug_info = ugeth->ug_info;
2081 uf_info = &ug_info->uf_info;
2082
2083 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2084 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2085 if (netif_msg_probe(ugeth))
2086 ugeth_err("%s: Bad memory partition value.",
2087 __func__);
2088 return -EINVAL;
2089 }
2090
2091 /* Rx BD lengths */
2092 for (i = 0; i < ug_info->numQueuesRx; i++) {
2093 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2094 (ug_info->bdRingLenRx[i] %
2095 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2096 if (netif_msg_probe(ugeth))
2097 ugeth_err
2098 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2099 __func__);
2100 return -EINVAL;
2101 }
2102 }
2103
2104 /* Tx BD lengths */
2105 for (i = 0; i < ug_info->numQueuesTx; i++) {
2106 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2107 if (netif_msg_probe(ugeth))
2108 ugeth_err
2109 ("%s: Tx BD ring length must be no smaller than 2.",
2110 __func__);
2111 return -EINVAL;
2112 }
2113 }
2114
2115 /* mrblr */
2116 if ((uf_info->max_rx_buf_length == 0) ||
2117 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2118 if (netif_msg_probe(ugeth))
2119 ugeth_err
2120 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2121 __func__);
2122 return -EINVAL;
2123 }
2124
2125 /* num Tx queues */
2126 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2127 if (netif_msg_probe(ugeth))
2128 ugeth_err("%s: number of tx queues too large.", __func__);
2129 return -EINVAL;
2130 }
2131
2132 /* num Rx queues */
2133 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2134 if (netif_msg_probe(ugeth))
2135 ugeth_err("%s: number of rx queues too large.", __func__);
2136 return -EINVAL;
2137 }
2138
2139 /* l2qt */
2140 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2141 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2142 if (netif_msg_probe(ugeth))
2143 ugeth_err
2144 ("%s: VLAN priority table entry must not be"
2145 " larger than number of Rx queues.",
2146 __func__);
2147 return -EINVAL;
2148 }
2149 }
2150
2151 /* l3qt */
2152 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2153 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2154 if (netif_msg_probe(ugeth))
2155 ugeth_err
2156 ("%s: IP priority table entry must not be"
2157 " larger than number of Rx queues.",
2158 __func__);
2159 return -EINVAL;
2160 }
2161 }
2162
2163 if (ug_info->cam && !ug_info->ecamptr) {
2164 if (netif_msg_probe(ugeth))
2165 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2166 __func__);
2167 return -EINVAL;
2168 }
2169
2170 if ((ug_info->numStationAddresses !=
2171 UCC_GETH_NUM_OF_STATION_ADDRESSES_1) &&
2172 ug_info->rxExtendedFiltering) {
2173 if (netif_msg_probe(ugeth))
2174 ugeth_err("%s: Number of station addresses greater than 1 "
2175 "not allowed in extended parsing mode.",
2176 __func__);
2177 return -EINVAL;
2178 }
2179
2180 /* Generate uccm_mask for receive */
2181 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2182 for (i = 0; i < ug_info->numQueuesRx; i++)
2183 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
2184
2185 for (i = 0; i < ug_info->numQueuesTx; i++)
2186 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
2187 /* Initialize the general fast UCC block. */
2188 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2189 if (netif_msg_probe(ugeth))
2190 ugeth_err("%s: Failed to init uccf.", __func__);
2191 return -ENOMEM;
2192 }
2193
2194 /* read the number of risc engines, update the riscTx and riscRx
2195 * if there are 4 riscs in QE
2196 */
2197 if (qe_get_num_of_risc() == 4) {
2198 ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS;
2199 ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS;
2200 }
2201
2202 ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2203 if (!ugeth->ug_regs) {
2204 if (netif_msg_probe(ugeth))
2205 ugeth_err("%s: Failed to ioremap regs.", __func__);
2206 return -ENOMEM;
2207 }
2208
2209 skb_queue_head_init(&ugeth->rx_recycle);
2210
2211 return 0;
2212 }
2213
2214 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2215 {
2216 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2217 struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2218 struct ucc_fast_private *uccf;
2219 struct ucc_geth_info *ug_info;
2220 struct ucc_fast_info *uf_info;
2221 struct ucc_fast __iomem *uf_regs;
2222 struct ucc_geth __iomem *ug_regs;
2223 int ret_val = -EINVAL;
2224 u32 remoder = UCC_GETH_REMODER_INIT;
2225 u32 init_enet_pram_offset, cecr_subblock, command;
2226 u32 ifstat, i, j, size, l2qt, l3qt, length;
2227 u16 temoder = UCC_GETH_TEMODER_INIT;
2228 u16 test;
2229 u8 function_code = 0;
2230 u8 __iomem *bd;
2231 u8 __iomem *endOfRing;
2232 u8 numThreadsRxNumerical, numThreadsTxNumerical;
2233
2234 ugeth_vdbg("%s: IN", __func__);
2235 uccf = ugeth->uccf;
2236 ug_info = ugeth->ug_info;
2237 uf_info = &ug_info->uf_info;
2238 uf_regs = uccf->uf_regs;
2239 ug_regs = ugeth->ug_regs;
2240
2241 switch (ug_info->numThreadsRx) {
2242 case UCC_GETH_NUM_OF_THREADS_1:
2243 numThreadsRxNumerical = 1;
2244 break;
2245 case UCC_GETH_NUM_OF_THREADS_2:
2246 numThreadsRxNumerical = 2;
2247 break;
2248 case UCC_GETH_NUM_OF_THREADS_4:
2249 numThreadsRxNumerical = 4;
2250 break;
2251 case UCC_GETH_NUM_OF_THREADS_6:
2252 numThreadsRxNumerical = 6;
2253 break;
2254 case UCC_GETH_NUM_OF_THREADS_8:
2255 numThreadsRxNumerical = 8;
2256 break;
2257 default:
2258 if (netif_msg_ifup(ugeth))
2259 ugeth_err("%s: Bad number of Rx threads value.",
2260 __func__);
2261 return -EINVAL;
2262 break;
2263 }
2264
2265 switch (ug_info->numThreadsTx) {
2266 case UCC_GETH_NUM_OF_THREADS_1:
2267 numThreadsTxNumerical = 1;
2268 break;
2269 case UCC_GETH_NUM_OF_THREADS_2:
2270 numThreadsTxNumerical = 2;
2271 break;
2272 case UCC_GETH_NUM_OF_THREADS_4:
2273 numThreadsTxNumerical = 4;
2274 break;
2275 case UCC_GETH_NUM_OF_THREADS_6:
2276 numThreadsTxNumerical = 6;
2277 break;
2278 case UCC_GETH_NUM_OF_THREADS_8:
2279 numThreadsTxNumerical = 8;
2280 break;
2281 default:
2282 if (netif_msg_ifup(ugeth))
2283 ugeth_err("%s: Bad number of Tx threads value.",
2284 __func__);
2285 return -EINVAL;
2286 break;
2287 }
2288
2289 /* Calculate rx_extended_features */
2290 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2291 ug_info->ipAddressAlignment ||
2292 (ug_info->numStationAddresses !=
2293 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2294
2295 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2296 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) ||
2297 (ug_info->vlanOperationNonTagged !=
2298 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2299
2300 init_default_reg_vals(&uf_regs->upsmr,
2301 &ug_regs->maccfg1, &ug_regs->maccfg2);
2302
2303 /* Set UPSMR */
2304 /* For more details see the hardware spec. */
2305 init_rx_parameters(ug_info->bro,
2306 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2307
2308 /* We're going to ignore other registers for now, */
2309 /* except as needed to get up and running */
2310
2311 /* Set MACCFG1 */
2312 /* For more details see the hardware spec. */
2313 init_flow_control_params(ug_info->aufc,
2314 ug_info->receiveFlowControl,
2315 ug_info->transmitFlowControl,
2316 ug_info->pausePeriod,
2317 ug_info->extensionField,
2318 &uf_regs->upsmr,
2319 &ug_regs->uempr, &ug_regs->maccfg1);
2320
2321 setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2322
2323 /* Set IPGIFG */
2324 /* For more details see the hardware spec. */
2325 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2326 ug_info->nonBackToBackIfgPart2,
2327 ug_info->
2328 miminumInterFrameGapEnforcement,
2329 ug_info->backToBackInterFrameGap,
2330 &ug_regs->ipgifg);
2331 if (ret_val != 0) {
2332 if (netif_msg_ifup(ugeth))
2333 ugeth_err("%s: IPGIFG initialization parameter too large.",
2334 __func__);
2335 return ret_val;
2336 }
2337
2338 /* Set HAFDUP */
2339 /* For more details see the hardware spec. */
2340 ret_val = init_half_duplex_params(ug_info->altBeb,
2341 ug_info->backPressureNoBackoff,
2342 ug_info->noBackoff,
2343 ug_info->excessDefer,
2344 ug_info->altBebTruncation,
2345 ug_info->maxRetransmission,
2346 ug_info->collisionWindow,
2347 &ug_regs->hafdup);
2348 if (ret_val != 0) {
2349 if (netif_msg_ifup(ugeth))
2350 ugeth_err("%s: Half Duplex initialization parameter too large.",
2351 __func__);
2352 return ret_val;
2353 }
2354
2355 /* Set IFSTAT */
2356 /* For more details see the hardware spec. */
2357 /* Read only - resets upon read */
2358 ifstat = in_be32(&ug_regs->ifstat);
2359
2360 /* Clear UEMPR */
2361 /* For more details see the hardware spec. */
2362 out_be32(&ug_regs->uempr, 0);
2363
2364 /* Set UESCR */
2365 /* For more details see the hardware spec. */
2366 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2367 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2368 0, &uf_regs->upsmr, &ug_regs->uescr);
2369
2370 /* Allocate Tx bds */
2371 for (j = 0; j < ug_info->numQueuesTx; j++) {
2372 /* Allocate in multiple of
2373 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2374 according to spec */
2375 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2376 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2377 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2378 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2379 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2380 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2381 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2382 u32 align = 4;
2383 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2384 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2385 ugeth->tx_bd_ring_offset[j] =
2386 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2387
2388 if (ugeth->tx_bd_ring_offset[j] != 0)
2389 ugeth->p_tx_bd_ring[j] =
2390 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2391 align) & ~(align - 1));
2392 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2393 ugeth->tx_bd_ring_offset[j] =
2394 qe_muram_alloc(length,
2395 UCC_GETH_TX_BD_RING_ALIGNMENT);
2396 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2397 ugeth->p_tx_bd_ring[j] =
2398 (u8 __iomem *) qe_muram_addr(ugeth->
2399 tx_bd_ring_offset[j]);
2400 }
2401 if (!ugeth->p_tx_bd_ring[j]) {
2402 if (netif_msg_ifup(ugeth))
2403 ugeth_err
2404 ("%s: Can not allocate memory for Tx bd rings.",
2405 __func__);
2406 return -ENOMEM;
2407 }
2408 /* Zero unused end of bd ring, according to spec */
2409 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2410 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2411 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2412 }
2413
2414 /* Allocate Rx bds */
2415 for (j = 0; j < ug_info->numQueuesRx; j++) {
2416 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2417 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2418 u32 align = 4;
2419 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2420 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2421 ugeth->rx_bd_ring_offset[j] =
2422 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2423 if (ugeth->rx_bd_ring_offset[j] != 0)
2424 ugeth->p_rx_bd_ring[j] =
2425 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2426 align) & ~(align - 1));
2427 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2428 ugeth->rx_bd_ring_offset[j] =
2429 qe_muram_alloc(length,
2430 UCC_GETH_RX_BD_RING_ALIGNMENT);
2431 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2432 ugeth->p_rx_bd_ring[j] =
2433 (u8 __iomem *) qe_muram_addr(ugeth->
2434 rx_bd_ring_offset[j]);
2435 }
2436 if (!ugeth->p_rx_bd_ring[j]) {
2437 if (netif_msg_ifup(ugeth))
2438 ugeth_err
2439 ("%s: Can not allocate memory for Rx bd rings.",
2440 __func__);
2441 return -ENOMEM;
2442 }
2443 }
2444
2445 /* Init Tx bds */
2446 for (j = 0; j < ug_info->numQueuesTx; j++) {
2447 /* Setup the skbuff rings */
2448 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2449 ugeth->ug_info->bdRingLenTx[j],
2450 GFP_KERNEL);
2451
2452 if (ugeth->tx_skbuff[j] == NULL) {
2453 if (netif_msg_ifup(ugeth))
2454 ugeth_err("%s: Could not allocate tx_skbuff",
2455 __func__);
2456 return -ENOMEM;
2457 }
2458
2459 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2460 ugeth->tx_skbuff[j][i] = NULL;
2461
2462 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2463 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2464 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2465 /* clear bd buffer */
2466 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2467 /* set bd status and length */
2468 out_be32((u32 __iomem *)bd, 0);
2469 bd += sizeof(struct qe_bd);
2470 }
2471 bd -= sizeof(struct qe_bd);
2472 /* set bd status and length */
2473 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2474 }
2475
2476 /* Init Rx bds */
2477 for (j = 0; j < ug_info->numQueuesRx; j++) {
2478 /* Setup the skbuff rings */
2479 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2480 ugeth->ug_info->bdRingLenRx[j],
2481 GFP_KERNEL);
2482
2483 if (ugeth->rx_skbuff[j] == NULL) {
2484 if (netif_msg_ifup(ugeth))
2485 ugeth_err("%s: Could not allocate rx_skbuff",
2486 __func__);
2487 return -ENOMEM;
2488 }
2489
2490 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2491 ugeth->rx_skbuff[j][i] = NULL;
2492
2493 ugeth->skb_currx[j] = 0;
2494 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2495 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2496 /* set bd status and length */
2497 out_be32((u32 __iomem *)bd, R_I);
2498 /* clear bd buffer */
2499 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2500 bd += sizeof(struct qe_bd);
2501 }
2502 bd -= sizeof(struct qe_bd);
2503 /* set bd status and length */
2504 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2505 }
2506
2507 /*
2508 * Global PRAM
2509 */
2510 /* Tx global PRAM */
2511 /* Allocate global tx parameter RAM page */
2512 ugeth->tx_glbl_pram_offset =
2513 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2514 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2515 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2516 if (netif_msg_ifup(ugeth))
2517 ugeth_err
2518 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2519 __func__);
2520 return -ENOMEM;
2521 }
2522 ugeth->p_tx_glbl_pram =
2523 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2524 tx_glbl_pram_offset);
2525 /* Zero out p_tx_glbl_pram */
2526 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2527
2528 /* Fill global PRAM */
2529
2530 /* TQPTR */
2531 /* Size varies with number of Tx threads */
2532 ugeth->thread_dat_tx_offset =
2533 qe_muram_alloc(numThreadsTxNumerical *
2534 sizeof(struct ucc_geth_thread_data_tx) +
2535 32 * (numThreadsTxNumerical == 1),
2536 UCC_GETH_THREAD_DATA_ALIGNMENT);
2537 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2538 if (netif_msg_ifup(ugeth))
2539 ugeth_err
2540 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2541 __func__);
2542 return -ENOMEM;
2543 }
2544
2545 ugeth->p_thread_data_tx =
2546 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2547 thread_dat_tx_offset);
2548 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2549
2550 /* vtagtable */
2551 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2552 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2553 ug_info->vtagtable[i]);
2554
2555 /* iphoffset */
2556 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2557 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2558 ug_info->iphoffset[i]);
2559
2560 /* SQPTR */
2561 /* Size varies with number of Tx queues */
2562 ugeth->send_q_mem_reg_offset =
2563 qe_muram_alloc(ug_info->numQueuesTx *
2564 sizeof(struct ucc_geth_send_queue_qd),
2565 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2566 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2567 if (netif_msg_ifup(ugeth))
2568 ugeth_err
2569 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2570 __func__);
2571 return -ENOMEM;
2572 }
2573
2574 ugeth->p_send_q_mem_reg =
2575 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2576 send_q_mem_reg_offset);
2577 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2578
2579 /* Setup the table */
2580 /* Assume BD rings are already established */
2581 for (i = 0; i < ug_info->numQueuesTx; i++) {
2582 endOfRing =
2583 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2584 1) * sizeof(struct qe_bd);
2585 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2586 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2587 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2588 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2589 last_bd_completed_address,
2590 (u32) virt_to_phys(endOfRing));
2591 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2592 MEM_PART_MURAM) {
2593 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2594 (u32) immrbar_virt_to_phys(ugeth->
2595 p_tx_bd_ring[i]));
2596 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2597 last_bd_completed_address,
2598 (u32) immrbar_virt_to_phys(endOfRing));
2599 }
2600 }
2601
2602 /* schedulerbasepointer */
2603
2604 if (ug_info->numQueuesTx > 1) {
2605 /* scheduler exists only if more than 1 tx queue */
2606 ugeth->scheduler_offset =
2607 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2608 UCC_GETH_SCHEDULER_ALIGNMENT);
2609 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2610 if (netif_msg_ifup(ugeth))
2611 ugeth_err
2612 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2613 __func__);
2614 return -ENOMEM;
2615 }
2616
2617 ugeth->p_scheduler =
2618 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2619 scheduler_offset);
2620 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2621 ugeth->scheduler_offset);
2622 /* Zero out p_scheduler */
2623 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2624
2625 /* Set values in scheduler */
2626 out_be32(&ugeth->p_scheduler->mblinterval,
2627 ug_info->mblinterval);
2628 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2629 ug_info->nortsrbytetime);
2630 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2631 out_8(&ugeth->p_scheduler->strictpriorityq,
2632 ug_info->strictpriorityq);
2633 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2634 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2635 for (i = 0; i < NUM_TX_QUEUES; i++)
2636 out_8(&ugeth->p_scheduler->weightfactor[i],
2637 ug_info->weightfactor[i]);
2638
2639 /* Set pointers to cpucount registers in scheduler */
2640 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2641 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2642 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2643 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2644 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2645 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2646 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2647 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2648 }
2649
2650 /* schedulerbasepointer */
2651 /* TxRMON_PTR (statistics) */
2652 if (ug_info->
2653 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2654 ugeth->tx_fw_statistics_pram_offset =
2655 qe_muram_alloc(sizeof
2656 (struct ucc_geth_tx_firmware_statistics_pram),
2657 UCC_GETH_TX_STATISTICS_ALIGNMENT);
2658 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2659 if (netif_msg_ifup(ugeth))
2660 ugeth_err
2661 ("%s: Can not allocate DPRAM memory for"
2662 " p_tx_fw_statistics_pram.",
2663 __func__);
2664 return -ENOMEM;
2665 }
2666 ugeth->p_tx_fw_statistics_pram =
2667 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2668 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2669 /* Zero out p_tx_fw_statistics_pram */
2670 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2671 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2672 }
2673
2674 /* temoder */
2675 /* Already has speed set */
2676
2677 if (ug_info->numQueuesTx > 1)
2678 temoder |= TEMODER_SCHEDULER_ENABLE;
2679 if (ug_info->ipCheckSumGenerate)
2680 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2681 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2682 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2683
2684 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2685
2686 /* Function code register value to be used later */
2687 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2688 /* Required for QE */
2689
2690 /* function code register */
2691 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2692
2693 /* Rx global PRAM */
2694 /* Allocate global rx parameter RAM page */
2695 ugeth->rx_glbl_pram_offset =
2696 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2697 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2698 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2699 if (netif_msg_ifup(ugeth))
2700 ugeth_err
2701 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2702 __func__);
2703 return -ENOMEM;
2704 }
2705 ugeth->p_rx_glbl_pram =
2706 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2707 rx_glbl_pram_offset);
2708 /* Zero out p_rx_glbl_pram */
2709 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2710
2711 /* Fill global PRAM */
2712
2713 /* RQPTR */
2714 /* Size varies with number of Rx threads */
2715 ugeth->thread_dat_rx_offset =
2716 qe_muram_alloc(numThreadsRxNumerical *
2717 sizeof(struct ucc_geth_thread_data_rx),
2718 UCC_GETH_THREAD_DATA_ALIGNMENT);
2719 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2720 if (netif_msg_ifup(ugeth))
2721 ugeth_err
2722 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2723 __func__);
2724 return -ENOMEM;
2725 }
2726
2727 ugeth->p_thread_data_rx =
2728 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2729 thread_dat_rx_offset);
2730 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2731
2732 /* typeorlen */
2733 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2734
2735 /* rxrmonbaseptr (statistics) */
2736 if (ug_info->
2737 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2738 ugeth->rx_fw_statistics_pram_offset =
2739 qe_muram_alloc(sizeof
2740 (struct ucc_geth_rx_firmware_statistics_pram),
2741 UCC_GETH_RX_STATISTICS_ALIGNMENT);
2742 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2743 if (netif_msg_ifup(ugeth))
2744 ugeth_err
2745 ("%s: Can not allocate DPRAM memory for"
2746 " p_rx_fw_statistics_pram.", __func__);
2747 return -ENOMEM;
2748 }
2749 ugeth->p_rx_fw_statistics_pram =
2750 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2751 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2752 /* Zero out p_rx_fw_statistics_pram */
2753 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2754 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2755 }
2756
2757 /* intCoalescingPtr */
2758
2759 /* Size varies with number of Rx queues */
2760 ugeth->rx_irq_coalescing_tbl_offset =
2761 qe_muram_alloc(ug_info->numQueuesRx *
2762 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2763 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2764 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2765 if (netif_msg_ifup(ugeth))
2766 ugeth_err
2767 ("%s: Can not allocate DPRAM memory for"
2768 " p_rx_irq_coalescing_tbl.", __func__);
2769 return -ENOMEM;
2770 }
2771
2772 ugeth->p_rx_irq_coalescing_tbl =
2773 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2774 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2775 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2776 ugeth->rx_irq_coalescing_tbl_offset);
2777
2778 /* Fill interrupt coalescing table */
2779 for (i = 0; i < ug_info->numQueuesRx; i++) {
2780 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2781 interruptcoalescingmaxvalue,
2782 ug_info->interruptcoalescingmaxvalue[i]);
2783 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2784 interruptcoalescingcounter,
2785 ug_info->interruptcoalescingmaxvalue[i]);
2786 }
2787
2788 /* MRBLR */
2789 init_max_rx_buff_len(uf_info->max_rx_buf_length,
2790 &ugeth->p_rx_glbl_pram->mrblr);
2791 /* MFLR */
2792 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2793 /* MINFLR */
2794 init_min_frame_len(ug_info->minFrameLength,
2795 &ugeth->p_rx_glbl_pram->minflr,
2796 &ugeth->p_rx_glbl_pram->mrblr);
2797 /* MAXD1 */
2798 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2799 /* MAXD2 */
2800 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2801
2802 /* l2qt */
2803 l2qt = 0;
2804 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2805 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2806 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2807
2808 /* l3qt */
2809 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2810 l3qt = 0;
2811 for (i = 0; i < 8; i++)
2812 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
2813 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
2814 }
2815
2816 /* vlantype */
2817 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2818
2819 /* vlantci */
2820 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2821
2822 /* ecamptr */
2823 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2824
2825 /* RBDQPTR */
2826 /* Size varies with number of Rx queues */
2827 ugeth->rx_bd_qs_tbl_offset =
2828 qe_muram_alloc(ug_info->numQueuesRx *
2829 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2830 sizeof(struct ucc_geth_rx_prefetched_bds)),
2831 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
2832 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
2833 if (netif_msg_ifup(ugeth))
2834 ugeth_err
2835 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
2836 __func__);
2837 return -ENOMEM;
2838 }
2839
2840 ugeth->p_rx_bd_qs_tbl =
2841 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
2842 rx_bd_qs_tbl_offset);
2843 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2844 /* Zero out p_rx_bd_qs_tbl */
2845 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
2846 0,
2847 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2848 sizeof(struct ucc_geth_rx_prefetched_bds)));
2849
2850 /* Setup the table */
2851 /* Assume BD rings are already established */
2852 for (i = 0; i < ug_info->numQueuesRx; i++) {
2853 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2854 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2855 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2856 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2857 MEM_PART_MURAM) {
2858 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2859 (u32) immrbar_virt_to_phys(ugeth->
2860 p_rx_bd_ring[i]));
2861 }
2862 /* rest of fields handled by QE */
2863 }
2864
2865 /* remoder */
2866 /* Already has speed set */
2867
2868 if (ugeth->rx_extended_features)
2869 remoder |= REMODER_RX_EXTENDED_FEATURES;
2870 if (ug_info->rxExtendedFiltering)
2871 remoder |= REMODER_RX_EXTENDED_FILTERING;
2872 if (ug_info->dynamicMaxFrameLength)
2873 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2874 if (ug_info->dynamicMinFrameLength)
2875 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2876 remoder |=
2877 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2878 remoder |=
2879 ug_info->
2880 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2881 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2882 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2883 if (ug_info->ipCheckSumCheck)
2884 remoder |= REMODER_IP_CHECKSUM_CHECK;
2885 if (ug_info->ipAddressAlignment)
2886 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2887 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2888
2889 /* Note that this function must be called */
2890 /* ONLY AFTER p_tx_fw_statistics_pram */
2891 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2892 init_firmware_statistics_gathering_mode((ug_info->
2893 statisticsMode &
2894 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2895 (ug_info->statisticsMode &
2896 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2897 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2898 ugeth->tx_fw_statistics_pram_offset,
2899 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2900 ugeth->rx_fw_statistics_pram_offset,
2901 &ugeth->p_tx_glbl_pram->temoder,
2902 &ugeth->p_rx_glbl_pram->remoder);
2903
2904 /* function code register */
2905 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
2906
2907 /* initialize extended filtering */
2908 if (ug_info->rxExtendedFiltering) {
2909 if (!ug_info->extendedFilteringChainPointer) {
2910 if (netif_msg_ifup(ugeth))
2911 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
2912 __func__);
2913 return -EINVAL;
2914 }
2915
2916 /* Allocate memory for extended filtering Mode Global
2917 Parameters */
2918 ugeth->exf_glbl_param_offset =
2919 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
2920 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
2921 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
2922 if (netif_msg_ifup(ugeth))
2923 ugeth_err
2924 ("%s: Can not allocate DPRAM memory for"
2925 " p_exf_glbl_param.", __func__);
2926 return -ENOMEM;
2927 }
2928
2929 ugeth->p_exf_glbl_param =
2930 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
2931 exf_glbl_param_offset);
2932 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2933 ugeth->exf_glbl_param_offset);
2934 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2935 (u32) ug_info->extendedFilteringChainPointer);
2936
2937 } else { /* initialize 82xx style address filtering */
2938
2939 /* Init individual address recognition registers to disabled */
2940
2941 for (j = 0; j < NUM_OF_PADDRS; j++)
2942 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2943
2944 p_82xx_addr_filt =
2945 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2946 p_rx_glbl_pram->addressfiltering;
2947
2948 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2949 ENET_ADDR_TYPE_GROUP);
2950 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2951 ENET_ADDR_TYPE_INDIVIDUAL);
2952 }
2953
2954 /*
2955 * Initialize UCC at QE level
2956 */
2957
2958 command = QE_INIT_TX_RX;
2959
2960 /* Allocate shadow InitEnet command parameter structure.
2961 * This is needed because after the InitEnet command is executed,
2962 * the structure in DPRAM is released, because DPRAM is a premium
2963 * resource.
2964 * This shadow structure keeps a copy of what was done so that the
2965 * allocated resources can be released when the channel is freed.
2966 */
2967 if (!(ugeth->p_init_enet_param_shadow =
2968 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
2969 if (netif_msg_ifup(ugeth))
2970 ugeth_err
2971 ("%s: Can not allocate memory for"
2972 " p_UccInitEnetParamShadows.", __func__);
2973 return -ENOMEM;
2974 }
2975 /* Zero out *p_init_enet_param_shadow */
2976 memset((char *)ugeth->p_init_enet_param_shadow,
2977 0, sizeof(struct ucc_geth_init_pram));
2978
2979 /* Fill shadow InitEnet command parameter structure */
2980
2981 ugeth->p_init_enet_param_shadow->resinit1 =
2982 ENET_INIT_PARAM_MAGIC_RES_INIT1;
2983 ugeth->p_init_enet_param_shadow->resinit2 =
2984 ENET_INIT_PARAM_MAGIC_RES_INIT2;
2985 ugeth->p_init_enet_param_shadow->resinit3 =
2986 ENET_INIT_PARAM_MAGIC_RES_INIT3;
2987 ugeth->p_init_enet_param_shadow->resinit4 =
2988 ENET_INIT_PARAM_MAGIC_RES_INIT4;
2989 ugeth->p_init_enet_param_shadow->resinit5 =
2990 ENET_INIT_PARAM_MAGIC_RES_INIT5;
2991 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2992 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2993 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2994 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2995
2996 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2997 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
2998 if ((ug_info->largestexternallookupkeysize !=
2999 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) &&
3000 (ug_info->largestexternallookupkeysize !=
3001 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) &&
3002 (ug_info->largestexternallookupkeysize !=
3003 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3004 if (netif_msg_ifup(ugeth))
3005 ugeth_err("%s: Invalid largest External Lookup Key Size.",
3006 __func__);
3007 return -EINVAL;
3008 }
3009 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3010 ug_info->largestexternallookupkeysize;
3011 size = sizeof(struct ucc_geth_thread_rx_pram);
3012 if (ug_info->rxExtendedFiltering) {
3013 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3014 if (ug_info->largestexternallookupkeysize ==
3015 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3016 size +=
3017 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3018 if (ug_info->largestexternallookupkeysize ==
3019 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3020 size +=
3021 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3022 }
3023
3024 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3025 p_init_enet_param_shadow->rxthread[0]),
3026 (u8) (numThreadsRxNumerical + 1)
3027 /* Rx needs one extra for terminator */
3028 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3029 ug_info->riscRx, 1)) != 0) {
3030 if (netif_msg_ifup(ugeth))
3031 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3032 __func__);
3033 return ret_val;
3034 }
3035
3036 ugeth->p_init_enet_param_shadow->txglobal =
3037 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3038 if ((ret_val =
3039 fill_init_enet_entries(ugeth,
3040 &(ugeth->p_init_enet_param_shadow->
3041 txthread[0]), numThreadsTxNumerical,
3042 sizeof(struct ucc_geth_thread_tx_pram),
3043 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3044 ug_info->riscTx, 0)) != 0) {
3045 if (netif_msg_ifup(ugeth))
3046 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3047 __func__);
3048 return ret_val;
3049 }
3050
3051 /* Load Rx bds with buffers */
3052 for (i = 0; i < ug_info->numQueuesRx; i++) {
3053 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3054 if (netif_msg_ifup(ugeth))
3055 ugeth_err("%s: Can not fill Rx bds with buffers.",
3056 __func__);
3057 return ret_val;
3058 }
3059 }
3060
3061 /* Allocate InitEnet command parameter structure */
3062 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3063 if (IS_ERR_VALUE(init_enet_pram_offset)) {
3064 if (netif_msg_ifup(ugeth))
3065 ugeth_err
3066 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3067 __func__);
3068 return -ENOMEM;
3069 }
3070 p_init_enet_pram =
3071 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3072
3073 /* Copy shadow InitEnet command parameter structure into PRAM */
3074 out_8(&p_init_enet_pram->resinit1,
3075 ugeth->p_init_enet_param_shadow->resinit1);
3076 out_8(&p_init_enet_pram->resinit2,
3077 ugeth->p_init_enet_param_shadow->resinit2);
3078 out_8(&p_init_enet_pram->resinit3,
3079 ugeth->p_init_enet_param_shadow->resinit3);
3080 out_8(&p_init_enet_pram->resinit4,
3081 ugeth->p_init_enet_param_shadow->resinit4);
3082 out_be16(&p_init_enet_pram->resinit5,
3083 ugeth->p_init_enet_param_shadow->resinit5);
3084 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3085 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3086 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3087 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3088 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3089 out_be32(&p_init_enet_pram->rxthread[i],
3090 ugeth->p_init_enet_param_shadow->rxthread[i]);
3091 out_be32(&p_init_enet_pram->txglobal,
3092 ugeth->p_init_enet_param_shadow->txglobal);
3093 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3094 out_be32(&p_init_enet_pram->txthread[i],
3095 ugeth->p_init_enet_param_shadow->txthread[i]);
3096
3097 /* Issue QE command */
3098 cecr_subblock =
3099 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3100 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3101 init_enet_pram_offset);
3102
3103 /* Free InitEnet command parameter */
3104 qe_muram_free(init_enet_pram_offset);
3105
3106 return 0;
3107 }
3108
3109 /* This is called by the kernel when a frame is ready for transmission. */
3110 /* It is pointed to by the dev->hard_start_xmit function pointer */
3111 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3112 {
3113 struct ucc_geth_private *ugeth = netdev_priv(dev);
3114 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3115 struct ucc_fast_private *uccf;
3116 #endif
3117 u8 __iomem *bd; /* BD pointer */
3118 u32 bd_status;
3119 u8 txQ = 0;
3120 unsigned long flags;
3121
3122 ugeth_vdbg("%s: IN", __func__);
3123
3124 spin_lock_irqsave(&ugeth->lock, flags);
3125
3126 dev->stats.tx_bytes += skb->len;
3127
3128 /* Start from the next BD that should be filled */
3129 bd = ugeth->txBd[txQ];
3130 bd_status = in_be32((u32 __iomem *)bd);
3131 /* Save the skb pointer so we can free it later */
3132 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3133
3134 /* Update the current skb pointer (wrapping if this was the last) */
3135 ugeth->skb_curtx[txQ] =
3136 (ugeth->skb_curtx[txQ] +
3137 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3138
3139 /* set up the buffer descriptor */
3140 out_be32(&((struct qe_bd __iomem *)bd)->buf,
3141 dma_map_single(ugeth->dev, skb->data,
3142 skb->len, DMA_TO_DEVICE));
3143
3144 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3145
3146 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3147
3148 /* set bd status and length */
3149 out_be32((u32 __iomem *)bd, bd_status);
3150
3151 /* Move to next BD in the ring */
3152 if (!(bd_status & T_W))
3153 bd += sizeof(struct qe_bd);
3154 else
3155 bd = ugeth->p_tx_bd_ring[txQ];
3156
3157 /* If the next BD still needs to be cleaned up, then the bds
3158 are full. We need to tell the kernel to stop sending us stuff. */
3159 if (bd == ugeth->confBd[txQ]) {
3160 if (!netif_queue_stopped(dev))
3161 netif_stop_queue(dev);
3162 }
3163
3164 ugeth->txBd[txQ] = bd;
3165
3166 if (ugeth->p_scheduler) {
3167 ugeth->cpucount[txQ]++;
3168 /* Indicate to QE that there are more Tx bds ready for
3169 transmission */
3170 /* This is done by writing a running counter of the bd
3171 count to the scheduler PRAM. */
3172 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3173 }
3174
3175 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3176 uccf = ugeth->uccf;
3177 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3178 #endif
3179 spin_unlock_irqrestore(&ugeth->lock, flags);
3180
3181 return NETDEV_TX_OK;
3182 }
3183
3184 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3185 {
3186 struct sk_buff *skb;
3187 u8 __iomem *bd;
3188 u16 length, howmany = 0;
3189 u32 bd_status;
3190 u8 *bdBuffer;
3191 struct net_device *dev;
3192
3193 ugeth_vdbg("%s: IN", __func__);
3194
3195 dev = ugeth->ndev;
3196
3197 /* collect received buffers */
3198 bd = ugeth->rxBd[rxQ];
3199
3200 bd_status = in_be32((u32 __iomem *)bd);
3201
3202 /* while there are received buffers and BD is full (~R_E) */
3203 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3204 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3205 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3206 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3207
3208 /* determine whether buffer is first, last, first and last
3209 (single buffer frame) or middle (not first and not last) */
3210 if (!skb ||
3211 (!(bd_status & (R_F | R_L))) ||
3212 (bd_status & R_ERRORS_FATAL)) {
3213 if (netif_msg_rx_err(ugeth))
3214 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3215 __func__, __LINE__, (u32) skb);
3216 if (skb) {
3217 skb->data = skb->head + NET_SKB_PAD;
3218 skb->len = 0;
3219 skb_reset_tail_pointer(skb);
3220 __skb_queue_head(&ugeth->rx_recycle, skb);
3221 }
3222
3223 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3224 dev->stats.rx_dropped++;
3225 } else {
3226 dev->stats.rx_packets++;
3227 howmany++;
3228
3229 /* Prep the skb for the packet */
3230 skb_put(skb, length);
3231
3232 /* Tell the skb what kind of packet this is */
3233 skb->protocol = eth_type_trans(skb, ugeth->ndev);
3234
3235 dev->stats.rx_bytes += length;
3236 /* Send the packet up the stack */
3237 netif_receive_skb(skb);
3238 }
3239
3240 skb = get_new_skb(ugeth, bd);
3241 if (!skb) {
3242 if (netif_msg_rx_err(ugeth))
3243 ugeth_warn("%s: No Rx Data Buffer", __func__);
3244 dev->stats.rx_dropped++;
3245 break;
3246 }
3247
3248 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3249
3250 /* update to point at the next skb */
3251 ugeth->skb_currx[rxQ] =
3252 (ugeth->skb_currx[rxQ] +
3253 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3254
3255 if (bd_status & R_W)
3256 bd = ugeth->p_rx_bd_ring[rxQ];
3257 else
3258 bd += sizeof(struct qe_bd);
3259
3260 bd_status = in_be32((u32 __iomem *)bd);
3261 }
3262
3263 ugeth->rxBd[rxQ] = bd;
3264 return howmany;
3265 }
3266
3267 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3268 {
3269 /* Start from the next BD that should be filled */
3270 struct ucc_geth_private *ugeth = netdev_priv(dev);
3271 u8 __iomem *bd; /* BD pointer */
3272 u32 bd_status;
3273
3274 bd = ugeth->confBd[txQ];
3275 bd_status = in_be32((u32 __iomem *)bd);
3276
3277 /* Normal processing. */
3278 while ((bd_status & T_R) == 0) {
3279 struct sk_buff *skb;
3280
3281 /* BD contains already transmitted buffer. */
3282 /* Handle the transmitted buffer and release */
3283 /* the BD to be used with the current frame */
3284
3285 skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]];
3286 if (!skb)
3287 break;
3288
3289 dev->stats.tx_packets++;
3290
3291 if (skb_queue_len(&ugeth->rx_recycle) < RX_BD_RING_LEN &&
3292 skb_recycle_check(skb,
3293 ugeth->ug_info->uf_info.max_rx_buf_length +
3294 UCC_GETH_RX_DATA_BUF_ALIGNMENT))
3295 __skb_queue_head(&ugeth->rx_recycle, skb);
3296 else
3297 dev_kfree_skb(skb);
3298
3299 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3300 ugeth->skb_dirtytx[txQ] =
3301 (ugeth->skb_dirtytx[txQ] +
3302 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3303
3304 /* We freed a buffer, so now we can restart transmission */
3305 if (netif_queue_stopped(dev))
3306 netif_wake_queue(dev);
3307
3308 /* Advance the confirmation BD pointer */
3309 if (!(bd_status & T_W))
3310 bd += sizeof(struct qe_bd);
3311 else
3312 bd = ugeth->p_tx_bd_ring[txQ];
3313 bd_status = in_be32((u32 __iomem *)bd);
3314 }
3315 ugeth->confBd[txQ] = bd;
3316 return 0;
3317 }
3318
3319 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3320 {
3321 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3322 struct ucc_geth_info *ug_info;
3323 int howmany, i;
3324
3325 ug_info = ugeth->ug_info;
3326
3327 /* Tx event processing */
3328 spin_lock(&ugeth->lock);
3329 for (i = 0; i < ug_info->numQueuesTx; i++)
3330 ucc_geth_tx(ugeth->ndev, i);
3331 spin_unlock(&ugeth->lock);
3332
3333 howmany = 0;
3334 for (i = 0; i < ug_info->numQueuesRx; i++)
3335 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3336
3337 if (howmany < budget) {
3338 napi_complete(napi);
3339 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3340 }
3341
3342 return howmany;
3343 }
3344
3345 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3346 {
3347 struct net_device *dev = info;
3348 struct ucc_geth_private *ugeth = netdev_priv(dev);
3349 struct ucc_fast_private *uccf;
3350 struct ucc_geth_info *ug_info;
3351 register u32 ucce;
3352 register u32 uccm;
3353
3354 ugeth_vdbg("%s: IN", __func__);
3355
3356 uccf = ugeth->uccf;
3357 ug_info = ugeth->ug_info;
3358
3359 /* read and clear events */
3360 ucce = (u32) in_be32(uccf->p_ucce);
3361 uccm = (u32) in_be32(uccf->p_uccm);
3362 ucce &= uccm;
3363 out_be32(uccf->p_ucce, ucce);
3364
3365 /* check for receive events that require processing */
3366 if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) {
3367 if (napi_schedule_prep(&ugeth->napi)) {
3368 uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS);
3369 out_be32(uccf->p_uccm, uccm);
3370 __napi_schedule(&ugeth->napi);
3371 }
3372 }
3373
3374 /* Errors and other events */
3375 if (ucce & UCCE_OTHER) {
3376 if (ucce & UCC_GETH_UCCE_BSY)
3377 dev->stats.rx_errors++;
3378 if (ucce & UCC_GETH_UCCE_TXE)
3379 dev->stats.tx_errors++;
3380 }
3381
3382 return IRQ_HANDLED;
3383 }
3384
3385 #ifdef CONFIG_NET_POLL_CONTROLLER
3386 /*
3387 * Polling 'interrupt' - used by things like netconsole to send skbs
3388 * without having to re-enable interrupts. It's not called while
3389 * the interrupt routine is executing.
3390 */
3391 static void ucc_netpoll(struct net_device *dev)
3392 {
3393 struct ucc_geth_private *ugeth = netdev_priv(dev);
3394 int irq = ugeth->ug_info->uf_info.irq;
3395
3396 disable_irq(irq);
3397 ucc_geth_irq_handler(irq, dev);
3398 enable_irq(irq);
3399 }
3400 #endif /* CONFIG_NET_POLL_CONTROLLER */
3401
3402 static int ucc_geth_set_mac_addr(struct net_device *dev, void *p)
3403 {
3404 struct ucc_geth_private *ugeth = netdev_priv(dev);
3405 struct sockaddr *addr = p;
3406
3407 if (!is_valid_ether_addr(addr->sa_data))
3408 return -EADDRNOTAVAIL;
3409
3410 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3411
3412 /*
3413 * If device is not running, we will set mac addr register
3414 * when opening the device.
3415 */
3416 if (!netif_running(dev))
3417 return 0;
3418
3419 spin_lock_irq(&ugeth->lock);
3420 init_mac_station_addr_regs(dev->dev_addr[0],
3421 dev->dev_addr[1],
3422 dev->dev_addr[2],
3423 dev->dev_addr[3],
3424 dev->dev_addr[4],
3425 dev->dev_addr[5],
3426 &ugeth->ug_regs->macstnaddr1,
3427 &ugeth->ug_regs->macstnaddr2);
3428 spin_unlock_irq(&ugeth->lock);
3429
3430 return 0;
3431 }
3432
3433 static int ucc_geth_init_mac(struct ucc_geth_private *ugeth)
3434 {
3435 struct net_device *dev = ugeth->ndev;
3436 int err;
3437
3438 err = ucc_struct_init(ugeth);
3439 if (err) {
3440 if (netif_msg_ifup(ugeth))
3441 ugeth_err("%s: Cannot configure internal struct, "
3442 "aborting.", dev->name);
3443 goto err;
3444 }
3445
3446 err = ucc_geth_startup(ugeth);
3447 if (err) {
3448 if (netif_msg_ifup(ugeth))
3449 ugeth_err("%s: Cannot configure net device, aborting.",
3450 dev->name);
3451 goto err;
3452 }
3453
3454 err = adjust_enet_interface(ugeth);
3455 if (err) {
3456 if (netif_msg_ifup(ugeth))
3457 ugeth_err("%s: Cannot configure net device, aborting.",
3458 dev->name);
3459 goto err;
3460 }
3461
3462 /* Set MACSTNADDR1, MACSTNADDR2 */
3463 /* For more details see the hardware spec. */
3464 init_mac_station_addr_regs(dev->dev_addr[0],
3465 dev->dev_addr[1],
3466 dev->dev_addr[2],
3467 dev->dev_addr[3],
3468 dev->dev_addr[4],
3469 dev->dev_addr[5],
3470 &ugeth->ug_regs->macstnaddr1,
3471 &ugeth->ug_regs->macstnaddr2);
3472
3473 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3474 if (err) {
3475 if (netif_msg_ifup(ugeth))
3476 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3477 goto err;
3478 }
3479
3480 return 0;
3481 err:
3482 ucc_geth_stop(ugeth);
3483 return err;
3484 }
3485
3486 /* Called when something needs to use the ethernet device */
3487 /* Returns 0 for success. */
3488 static int ucc_geth_open(struct net_device *dev)
3489 {
3490 struct ucc_geth_private *ugeth = netdev_priv(dev);
3491 int err;
3492
3493 ugeth_vdbg("%s: IN", __func__);
3494
3495 /* Test station address */
3496 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3497 if (netif_msg_ifup(ugeth))
3498 ugeth_err("%s: Multicast address used for station "
3499 "address - is this what you wanted?",
3500 __func__);
3501 return -EINVAL;
3502 }
3503
3504 err = init_phy(dev);
3505 if (err) {
3506 if (netif_msg_ifup(ugeth))
3507 ugeth_err("%s: Cannot initialize PHY, aborting.",
3508 dev->name);
3509 return err;
3510 }
3511
3512 err = ucc_geth_init_mac(ugeth);
3513 if (err) {
3514 if (netif_msg_ifup(ugeth))
3515 ugeth_err("%s: Cannot initialize MAC, aborting.",
3516 dev->name);
3517 goto err;
3518 }
3519
3520 err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3521 0, "UCC Geth", dev);
3522 if (err) {
3523 if (netif_msg_ifup(ugeth))
3524 ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3525 dev->name);
3526 goto err;
3527 }
3528
3529 phy_start(ugeth->phydev);
3530 napi_enable(&ugeth->napi);
3531 netif_start_queue(dev);
3532
3533 device_set_wakeup_capable(&dev->dev,
3534 qe_alive_during_sleep() || ugeth->phydev->irq);
3535 device_set_wakeup_enable(&dev->dev, ugeth->wol_en);
3536
3537 return err;
3538
3539 err:
3540 ucc_geth_stop(ugeth);
3541 return err;
3542 }
3543
3544 /* Stops the kernel queue, and halts the controller */
3545 static int ucc_geth_close(struct net_device *dev)
3546 {
3547 struct ucc_geth_private *ugeth = netdev_priv(dev);
3548
3549 ugeth_vdbg("%s: IN", __func__);
3550
3551 napi_disable(&ugeth->napi);
3552
3553 ucc_geth_stop(ugeth);
3554
3555 free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev);
3556
3557 netif_stop_queue(dev);
3558
3559 return 0;
3560 }
3561
3562 /* Reopen device. This will reset the MAC and PHY. */
3563 static void ucc_geth_timeout_work(struct work_struct *work)
3564 {
3565 struct ucc_geth_private *ugeth;
3566 struct net_device *dev;
3567
3568 ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3569 dev = ugeth->ndev;
3570
3571 ugeth_vdbg("%s: IN", __func__);
3572
3573 dev->stats.tx_errors++;
3574
3575 ugeth_dump_regs(ugeth);
3576
3577 if (dev->flags & IFF_UP) {
3578 /*
3579 * Must reset MAC *and* PHY. This is done by reopening
3580 * the device.
3581 */
3582 ucc_geth_close(dev);
3583 ucc_geth_open(dev);
3584 }
3585
3586 netif_tx_schedule_all(dev);
3587 }
3588
3589 /*
3590 * ucc_geth_timeout gets called when a packet has not been
3591 * transmitted after a set amount of time.
3592 */
3593 static void ucc_geth_timeout(struct net_device *dev)
3594 {
3595 struct ucc_geth_private *ugeth = netdev_priv(dev);
3596
3597 netif_carrier_off(dev);
3598 schedule_work(&ugeth->timeout_work);
3599 }
3600
3601
3602 #ifdef CONFIG_PM
3603
3604 static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state)
3605 {
3606 struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3607 struct ucc_geth_private *ugeth = netdev_priv(ndev);
3608
3609 if (!netif_running(ndev))
3610 return 0;
3611
3612 netif_device_detach(ndev);
3613 napi_disable(&ugeth->napi);
3614
3615 /*
3616 * Disable the controller, otherwise we'll wakeup on any network
3617 * activity.
3618 */
3619 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
3620
3621 if (ugeth->wol_en & WAKE_MAGIC) {
3622 setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3623 setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3624 ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3625 } else if (!(ugeth->wol_en & WAKE_PHY)) {
3626 phy_stop(ugeth->phydev);
3627 }
3628
3629 return 0;
3630 }
3631
3632 static int ucc_geth_resume(struct platform_device *ofdev)
3633 {
3634 struct net_device *ndev = dev_get_drvdata(&ofdev->dev);
3635 struct ucc_geth_private *ugeth = netdev_priv(ndev);
3636 int err;
3637
3638 if (!netif_running(ndev))
3639 return 0;
3640
3641 if (qe_alive_during_sleep()) {
3642 if (ugeth->wol_en & WAKE_MAGIC) {
3643 ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX);
3644 clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE);
3645 clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD);
3646 }
3647 ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3648 } else {
3649 /*
3650 * Full reinitialization is required if QE shuts down
3651 * during sleep.
3652 */
3653 ucc_geth_memclean(ugeth);
3654
3655 err = ucc_geth_init_mac(ugeth);
3656 if (err) {
3657 ugeth_err("%s: Cannot initialize MAC, aborting.",
3658 ndev->name);
3659 return err;
3660 }
3661 }
3662
3663 ugeth->oldlink = 0;
3664 ugeth->oldspeed = 0;
3665 ugeth->oldduplex = -1;
3666
3667 phy_stop(ugeth->phydev);
3668 phy_start(ugeth->phydev);
3669
3670 napi_enable(&ugeth->napi);
3671 netif_device_attach(ndev);
3672
3673 return 0;
3674 }
3675
3676 #else
3677 #define ucc_geth_suspend NULL
3678 #define ucc_geth_resume NULL
3679 #endif
3680
3681 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3682 {
3683 if (strcasecmp(phy_connection_type, "mii") == 0)
3684 return PHY_INTERFACE_MODE_MII;
3685 if (strcasecmp(phy_connection_type, "gmii") == 0)
3686 return PHY_INTERFACE_MODE_GMII;
3687 if (strcasecmp(phy_connection_type, "tbi") == 0)
3688 return PHY_INTERFACE_MODE_TBI;
3689 if (strcasecmp(phy_connection_type, "rmii") == 0)
3690 return PHY_INTERFACE_MODE_RMII;
3691 if (strcasecmp(phy_connection_type, "rgmii") == 0)
3692 return PHY_INTERFACE_MODE_RGMII;
3693 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3694 return PHY_INTERFACE_MODE_RGMII_ID;
3695 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3696 return PHY_INTERFACE_MODE_RGMII_TXID;
3697 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3698 return PHY_INTERFACE_MODE_RGMII_RXID;
3699 if (strcasecmp(phy_connection_type, "rtbi") == 0)
3700 return PHY_INTERFACE_MODE_RTBI;
3701 if (strcasecmp(phy_connection_type, "sgmii") == 0)
3702 return PHY_INTERFACE_MODE_SGMII;
3703
3704 return PHY_INTERFACE_MODE_MII;
3705 }
3706
3707 static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3708 {
3709 struct ucc_geth_private *ugeth = netdev_priv(dev);
3710
3711 if (!netif_running(dev))
3712 return -EINVAL;
3713
3714 if (!ugeth->phydev)
3715 return -ENODEV;
3716
3717 return phy_mii_ioctl(ugeth->phydev, rq, cmd);
3718 }
3719
3720 static const struct net_device_ops ucc_geth_netdev_ops = {
3721 .ndo_open = ucc_geth_open,
3722 .ndo_stop = ucc_geth_close,
3723 .ndo_start_xmit = ucc_geth_start_xmit,
3724 .ndo_validate_addr = eth_validate_addr,
3725 .ndo_set_mac_address = ucc_geth_set_mac_addr,
3726 .ndo_change_mtu = eth_change_mtu,
3727 .ndo_set_multicast_list = ucc_geth_set_multi,
3728 .ndo_tx_timeout = ucc_geth_timeout,
3729 .ndo_do_ioctl = ucc_geth_ioctl,
3730 #ifdef CONFIG_NET_POLL_CONTROLLER
3731 .ndo_poll_controller = ucc_netpoll,
3732 #endif
3733 };
3734
3735 static int ucc_geth_probe(struct platform_device* ofdev, const struct of_device_id *match)
3736 {
3737 struct device *device = &ofdev->dev;
3738 struct device_node *np = ofdev->dev.of_node;
3739 struct net_device *dev = NULL;
3740 struct ucc_geth_private *ugeth = NULL;
3741 struct ucc_geth_info *ug_info;
3742 struct resource res;
3743 int err, ucc_num, max_speed = 0;
3744 const unsigned int *prop;
3745 const char *sprop;
3746 const void *mac_addr;
3747 phy_interface_t phy_interface;
3748 static const int enet_to_speed[] = {
3749 SPEED_10, SPEED_10, SPEED_10,
3750 SPEED_100, SPEED_100, SPEED_100,
3751 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3752 };
3753 static const phy_interface_t enet_to_phy_interface[] = {
3754 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3755 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3756 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3757 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3758 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3759 PHY_INTERFACE_MODE_SGMII,
3760 };
3761
3762 ugeth_vdbg("%s: IN", __func__);
3763
3764 prop = of_get_property(np, "cell-index", NULL);
3765 if (!prop) {
3766 prop = of_get_property(np, "device-id", NULL);
3767 if (!prop)
3768 return -ENODEV;
3769 }
3770
3771 ucc_num = *prop - 1;
3772 if ((ucc_num < 0) || (ucc_num > 7))
3773 return -ENODEV;
3774
3775 ug_info = &ugeth_info[ucc_num];
3776 if (ug_info == NULL) {
3777 if (netif_msg_probe(&debug))
3778 ugeth_err("%s: [%d] Missing additional data!",
3779 __func__, ucc_num);
3780 return -ENODEV;
3781 }
3782
3783 ug_info->uf_info.ucc_num = ucc_num;
3784
3785 sprop = of_get_property(np, "rx-clock-name", NULL);
3786 if (sprop) {
3787 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3788 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3789 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3790 printk(KERN_ERR
3791 "ucc_geth: invalid rx-clock-name property\n");
3792 return -EINVAL;
3793 }
3794 } else {
3795 prop = of_get_property(np, "rx-clock", NULL);
3796 if (!prop) {
3797 /* If both rx-clock-name and rx-clock are missing,
3798 we want to tell people to use rx-clock-name. */
3799 printk(KERN_ERR
3800 "ucc_geth: missing rx-clock-name property\n");
3801 return -EINVAL;
3802 }
3803 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3804 printk(KERN_ERR
3805 "ucc_geth: invalid rx-clock propperty\n");
3806 return -EINVAL;
3807 }
3808 ug_info->uf_info.rx_clock = *prop;
3809 }
3810
3811 sprop = of_get_property(np, "tx-clock-name", NULL);
3812 if (sprop) {
3813 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3814 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3815 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3816 printk(KERN_ERR
3817 "ucc_geth: invalid tx-clock-name property\n");
3818 return -EINVAL;
3819 }
3820 } else {
3821 prop = of_get_property(np, "tx-clock", NULL);
3822 if (!prop) {
3823 printk(KERN_ERR
3824 "ucc_geth: missing tx-clock-name property\n");
3825 return -EINVAL;
3826 }
3827 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3828 printk(KERN_ERR
3829 "ucc_geth: invalid tx-clock property\n");
3830 return -EINVAL;
3831 }
3832 ug_info->uf_info.tx_clock = *prop;
3833 }
3834
3835 err = of_address_to_resource(np, 0, &res);
3836 if (err)
3837 return -EINVAL;
3838
3839 ug_info->uf_info.regs = res.start;
3840 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3841
3842 ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0);
3843
3844 /* Find the TBI PHY node. If it's not there, we don't support SGMII */
3845 ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0);
3846
3847 /* get the phy interface type, or default to MII */
3848 prop = of_get_property(np, "phy-connection-type", NULL);
3849 if (!prop) {
3850 /* handle interface property present in old trees */
3851 prop = of_get_property(ug_info->phy_node, "interface", NULL);
3852 if (prop != NULL) {
3853 phy_interface = enet_to_phy_interface[*prop];
3854 max_speed = enet_to_speed[*prop];
3855 } else
3856 phy_interface = PHY_INTERFACE_MODE_MII;
3857 } else {
3858 phy_interface = to_phy_interface((const char *)prop);
3859 }
3860
3861 /* get speed, or derive from PHY interface */
3862 if (max_speed == 0)
3863 switch (phy_interface) {
3864 case PHY_INTERFACE_MODE_GMII:
3865 case PHY_INTERFACE_MODE_RGMII:
3866 case PHY_INTERFACE_MODE_RGMII_ID:
3867 case PHY_INTERFACE_MODE_RGMII_RXID:
3868 case PHY_INTERFACE_MODE_RGMII_TXID:
3869 case PHY_INTERFACE_MODE_TBI:
3870 case PHY_INTERFACE_MODE_RTBI:
3871 case PHY_INTERFACE_MODE_SGMII:
3872 max_speed = SPEED_1000;
3873 break;
3874 default:
3875 max_speed = SPEED_100;
3876 break;
3877 }
3878
3879 if (max_speed == SPEED_1000) {
3880 /* configure muram FIFOs for gigabit operation */
3881 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3882 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3883 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3884 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3885 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3886 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3887 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3888
3889 /* If QE's snum number is 46 which means we need to support
3890 * 4 UECs at 1000Base-T simultaneously, we need to allocate
3891 * more Threads to Rx.
3892 */
3893 if (qe_get_num_of_snums() == 46)
3894 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6;
3895 else
3896 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3897 }
3898
3899 if (netif_msg_probe(&debug))
3900 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d)\n",
3901 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3902 ug_info->uf_info.irq);
3903
3904 /* Create an ethernet device instance */
3905 dev = alloc_etherdev(sizeof(*ugeth));
3906
3907 if (dev == NULL)
3908 return -ENOMEM;
3909
3910 ugeth = netdev_priv(dev);
3911 spin_lock_init(&ugeth->lock);
3912
3913 /* Create CQs for hash tables */
3914 INIT_LIST_HEAD(&ugeth->group_hash_q);
3915 INIT_LIST_HEAD(&ugeth->ind_hash_q);
3916
3917 dev_set_drvdata(device, dev);
3918
3919 /* Set the dev->base_addr to the gfar reg region */
3920 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3921
3922 SET_NETDEV_DEV(dev, device);
3923
3924 /* Fill in the dev structure */
3925 uec_set_ethtool_ops(dev);
3926 dev->netdev_ops = &ucc_geth_netdev_ops;
3927 dev->watchdog_timeo = TX_TIMEOUT;
3928 INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
3929 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64);
3930 dev->mtu = 1500;
3931
3932 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
3933 ugeth->phy_interface = phy_interface;
3934 ugeth->max_speed = max_speed;
3935
3936 err = register_netdev(dev);
3937 if (err) {
3938 if (netif_msg_probe(ugeth))
3939 ugeth_err("%s: Cannot register net device, aborting.",
3940 dev->name);
3941 free_netdev(dev);
3942 return err;
3943 }
3944
3945 mac_addr = of_get_mac_address(np);
3946 if (mac_addr)
3947 memcpy(dev->dev_addr, mac_addr, 6);
3948
3949 ugeth->ug_info = ug_info;
3950 ugeth->dev = device;
3951 ugeth->ndev = dev;
3952 ugeth->node = np;
3953
3954 return 0;
3955 }
3956
3957 static int ucc_geth_remove(struct platform_device* ofdev)
3958 {
3959 struct device *device = &ofdev->dev;
3960 struct net_device *dev = dev_get_drvdata(device);
3961 struct ucc_geth_private *ugeth = netdev_priv(dev);
3962
3963 unregister_netdev(dev);
3964 free_netdev(dev);
3965 ucc_geth_memclean(ugeth);
3966 dev_set_drvdata(device, NULL);
3967
3968 return 0;
3969 }
3970
3971 static struct of_device_id ucc_geth_match[] = {
3972 {
3973 .type = "network",
3974 .compatible = "ucc_geth",
3975 },
3976 {},
3977 };
3978
3979 MODULE_DEVICE_TABLE(of, ucc_geth_match);
3980
3981 static struct of_platform_driver ucc_geth_driver = {
3982 .driver = {
3983 .name = DRV_NAME,
3984 .owner = THIS_MODULE,
3985 .of_match_table = ucc_geth_match,
3986 },
3987 .probe = ucc_geth_probe,
3988 .remove = ucc_geth_remove,
3989 .suspend = ucc_geth_suspend,
3990 .resume = ucc_geth_resume,
3991 };
3992
3993 static int __init ucc_geth_init(void)
3994 {
3995 int i, ret;
3996
3997 if (netif_msg_drv(&debug))
3998 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
3999 for (i = 0; i < 8; i++)
4000 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4001 sizeof(ugeth_primary_info));
4002
4003 ret = of_register_platform_driver(&ucc_geth_driver);
4004
4005 return ret;
4006 }
4007
4008 static void __exit ucc_geth_exit(void)
4009 {
4010 of_unregister_platform_driver(&ucc_geth_driver);
4011 }
4012
4013 module_init(ucc_geth_init);
4014 module_exit(ucc_geth_exit);
4015
4016 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4017 MODULE_DESCRIPTION(DRV_DESC);
4018 MODULE_VERSION(DRV_VERSION);
4019 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree