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iwlwifi: use rmb/wmb to protect indirect mmio operation
[linux/fpc-iii.git] / drivers / net / ucc_geth.c
blob0a5b817fd7ac9e66ac7a5c7ab379a973fdd3888b
1 /*
2 * Copyright (C) 2006-2007 Freescale Semicondutor, Inc. All rights reserved.
3 *
4 * Author: Shlomi Gridish <gridish@freescale.com>
5 * Li Yang <leoli@freescale.com>
6 *
7 * Description:
8 * QE UCC Gigabit Ethernet Driver
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 */
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/errno.h>
18 #include <linux/slab.h>
19 #include <linux/stddef.h>
20 #include <linux/interrupt.h>
21 #include <linux/netdevice.h>
22 #include <linux/etherdevice.h>
23 #include <linux/skbuff.h>
24 #include <linux/spinlock.h>
25 #include <linux/mm.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/fsl_devices.h>
28 #include <linux/mii.h>
29 #include <linux/phy.h>
30 #include <linux/workqueue.h>
31 #include <linux/of_platform.h>
32
33 #include <asm/uaccess.h>
34 #include <asm/irq.h>
35 #include <asm/io.h>
36 #include <asm/immap_qe.h>
37 #include <asm/qe.h>
38 #include <asm/ucc.h>
39 #include <asm/ucc_fast.h>
40
41 #include "ucc_geth.h"
42 #include "ucc_geth_mii.h"
43
44 #undef DEBUG
45
46 #define ugeth_printk(level, format, arg...) \
47 printk(level format "\n", ## arg)
48
49 #define ugeth_dbg(format, arg...) \
50 ugeth_printk(KERN_DEBUG , format , ## arg)
51 #define ugeth_err(format, arg...) \
52 ugeth_printk(KERN_ERR , format , ## arg)
53 #define ugeth_info(format, arg...) \
54 ugeth_printk(KERN_INFO , format , ## arg)
55 #define ugeth_warn(format, arg...) \
56 ugeth_printk(KERN_WARNING , format , ## arg)
57
58 #ifdef UGETH_VERBOSE_DEBUG
59 #define ugeth_vdbg ugeth_dbg
60 #else
61 #define ugeth_vdbg(fmt, args...) do { } while (0)
62 #endif /* UGETH_VERBOSE_DEBUG */
63 #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1
64
65
66 static DEFINE_SPINLOCK(ugeth_lock);
67
68 static struct {
69 u32 msg_enable;
70 } debug = { -1 };
71
72 module_param_named(debug, debug.msg_enable, int, 0);
73 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
74
75 static struct ucc_geth_info ugeth_primary_info = {
76 .uf_info = {
77 .bd_mem_part = MEM_PART_SYSTEM,
78 .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
79 .max_rx_buf_length = 1536,
80 /* adjusted at startup if max-speed 1000 */
81 .urfs = UCC_GETH_URFS_INIT,
82 .urfet = UCC_GETH_URFET_INIT,
83 .urfset = UCC_GETH_URFSET_INIT,
84 .utfs = UCC_GETH_UTFS_INIT,
85 .utfet = UCC_GETH_UTFET_INIT,
86 .utftt = UCC_GETH_UTFTT_INIT,
87 .ufpt = 256,
88 .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
89 .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
90 .tenc = UCC_FAST_TX_ENCODING_NRZ,
91 .renc = UCC_FAST_RX_ENCODING_NRZ,
92 .tcrc = UCC_FAST_16_BIT_CRC,
93 .synl = UCC_FAST_SYNC_LEN_NOT_USED,
94 },
95 .numQueuesTx = 1,
96 .numQueuesRx = 1,
97 .extendedFilteringChainPointer = ((uint32_t) NULL),
98 .typeorlen = 3072 /*1536 */ ,
99 .nonBackToBackIfgPart1 = 0x40,
100 .nonBackToBackIfgPart2 = 0x60,
101 .miminumInterFrameGapEnforcement = 0x50,
102 .backToBackInterFrameGap = 0x60,
103 .mblinterval = 128,
104 .nortsrbytetime = 5,
105 .fracsiz = 1,
106 .strictpriorityq = 0xff,
107 .altBebTruncation = 0xa,
108 .excessDefer = 1,
109 .maxRetransmission = 0xf,
110 .collisionWindow = 0x37,
111 .receiveFlowControl = 1,
112 .transmitFlowControl = 1,
113 .maxGroupAddrInHash = 4,
114 .maxIndAddrInHash = 4,
115 .prel = 7,
116 .maxFrameLength = 1518,
117 .minFrameLength = 64,
118 .maxD1Length = 1520,
119 .maxD2Length = 1520,
120 .vlantype = 0x8100,
121 .ecamptr = ((uint32_t) NULL),
122 .eventRegMask = UCCE_OTHER,
123 .pausePeriod = 0xf000,
124 .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
125 .bdRingLenTx = {
126 TX_BD_RING_LEN,
127 TX_BD_RING_LEN,
128 TX_BD_RING_LEN,
129 TX_BD_RING_LEN,
130 TX_BD_RING_LEN,
131 TX_BD_RING_LEN,
132 TX_BD_RING_LEN,
133 TX_BD_RING_LEN},
134
135 .bdRingLenRx = {
136 RX_BD_RING_LEN,
137 RX_BD_RING_LEN,
138 RX_BD_RING_LEN,
139 RX_BD_RING_LEN,
140 RX_BD_RING_LEN,
141 RX_BD_RING_LEN,
142 RX_BD_RING_LEN,
143 RX_BD_RING_LEN},
144
145 .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
146 .largestexternallookupkeysize =
147 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
148 .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
149 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
150 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
151 .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
152 .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
153 .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
154 .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
155 .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
156 .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
157 .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
158 .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
159 .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
160 };
161
162 static struct ucc_geth_info ugeth_info[8];
163
164 #ifdef DEBUG
165 static void mem_disp(u8 *addr, int size)
166 {
167 u8 *i;
168 int size16Aling = (size >> 4) << 4;
169 int size4Aling = (size >> 2) << 2;
170 int notAlign = 0;
171 if (size % 16)
172 notAlign = 1;
173
174 for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
175 printk("0x%08x: %08x %08x %08x %08x\r\n",
176 (u32) i,
177 *((u32 *) (i)),
178 *((u32 *) (i + 4)),
179 *((u32 *) (i + 8)), *((u32 *) (i + 12)));
180 if (notAlign == 1)
181 printk("0x%08x: ", (u32) i);
182 for (; (u32) i < (u32) addr + size4Aling; i += 4)
183 printk("%08x ", *((u32 *) (i)));
184 for (; (u32) i < (u32) addr + size; i++)
185 printk("%02x", *((u8 *) (i)));
186 if (notAlign == 1)
187 printk("\r\n");
188 }
189 #endif /* DEBUG */
190
191 #ifdef CONFIG_UGETH_FILTERING
192 static void enqueue(struct list_head *node, struct list_head *lh)
193 {
194 unsigned long flags;
195
196 spin_lock_irqsave(&ugeth_lock, flags);
197 list_add_tail(node, lh);
198 spin_unlock_irqrestore(&ugeth_lock, flags);
199 }
200 #endif /* CONFIG_UGETH_FILTERING */
201
202 static struct list_head *dequeue(struct list_head *lh)
203 {
204 unsigned long flags;
205
206 spin_lock_irqsave(&ugeth_lock, flags);
207 if (!list_empty(lh)) {
208 struct list_head *node = lh->next;
209 list_del(node);
210 spin_unlock_irqrestore(&ugeth_lock, flags);
211 return node;
212 } else {
213 spin_unlock_irqrestore(&ugeth_lock, flags);
214 return NULL;
215 }
216 }
217
218 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
219 u8 __iomem *bd)
220 {
221 struct sk_buff *skb = NULL;
222
223 skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
224 UCC_GETH_RX_DATA_BUF_ALIGNMENT);
225
226 if (skb == NULL)
227 return NULL;
228
229 /* We need the data buffer to be aligned properly. We will reserve
230 * as many bytes as needed to align the data properly
231 */
232 skb_reserve(skb,
233 UCC_GETH_RX_DATA_BUF_ALIGNMENT -
234 (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
235 1)));
236
237 skb->dev = ugeth->dev;
238
239 out_be32(&((struct qe_bd __iomem *)bd)->buf,
240 dma_map_single(&ugeth->dev->dev,
241 skb->data,
242 ugeth->ug_info->uf_info.max_rx_buf_length +
243 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
244 DMA_FROM_DEVICE));
245
246 out_be32((u32 __iomem *)bd,
247 (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
248
249 return skb;
250 }
251
252 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
253 {
254 u8 __iomem *bd;
255 u32 bd_status;
256 struct sk_buff *skb;
257 int i;
258
259 bd = ugeth->p_rx_bd_ring[rxQ];
260 i = 0;
261
262 do {
263 bd_status = in_be32((u32 __iomem *)bd);
264 skb = get_new_skb(ugeth, bd);
265
266 if (!skb) /* If can not allocate data buffer,
267 abort. Cleanup will be elsewhere */
268 return -ENOMEM;
269
270 ugeth->rx_skbuff[rxQ][i] = skb;
271
272 /* advance the BD pointer */
273 bd += sizeof(struct qe_bd);
274 i++;
275 } while (!(bd_status & R_W));
276
277 return 0;
278 }
279
280 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
281 u32 *p_start,
282 u8 num_entries,
283 u32 thread_size,
284 u32 thread_alignment,
285 enum qe_risc_allocation risc,
286 int skip_page_for_first_entry)
287 {
288 u32 init_enet_offset;
289 u8 i;
290 int snum;
291
292 for (i = 0; i < num_entries; i++) {
293 if ((snum = qe_get_snum()) < 0) {
294 if (netif_msg_ifup(ugeth))
295 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
296 return snum;
297 }
298 if ((i == 0) && skip_page_for_first_entry)
299 /* First entry of Rx does not have page */
300 init_enet_offset = 0;
301 else {
302 init_enet_offset =
303 qe_muram_alloc(thread_size, thread_alignment);
304 if (IS_ERR_VALUE(init_enet_offset)) {
305 if (netif_msg_ifup(ugeth))
306 ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
307 qe_put_snum((u8) snum);
308 return -ENOMEM;
309 }
310 }
311 *(p_start++) =
312 ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
313 | risc;
314 }
315
316 return 0;
317 }
318
319 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
320 u32 *p_start,
321 u8 num_entries,
322 enum qe_risc_allocation risc,
323 int skip_page_for_first_entry)
324 {
325 u32 init_enet_offset;
326 u8 i;
327 int snum;
328
329 for (i = 0; i < num_entries; i++) {
330 u32 val = *p_start;
331
332 /* Check that this entry was actually valid --
333 needed in case failed in allocations */
334 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
335 snum =
336 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
337 ENET_INIT_PARAM_SNUM_SHIFT;
338 qe_put_snum((u8) snum);
339 if (!((i == 0) && skip_page_for_first_entry)) {
340 /* First entry of Rx does not have page */
341 init_enet_offset =
342 (val & ENET_INIT_PARAM_PTR_MASK);
343 qe_muram_free(init_enet_offset);
344 }
345 *p_start++ = 0;
346 }
347 }
348
349 return 0;
350 }
351
352 #ifdef DEBUG
353 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
354 u32 __iomem *p_start,
355 u8 num_entries,
356 u32 thread_size,
357 enum qe_risc_allocation risc,
358 int skip_page_for_first_entry)
359 {
360 u32 init_enet_offset;
361 u8 i;
362 int snum;
363
364 for (i = 0; i < num_entries; i++) {
365 u32 val = in_be32(p_start);
366
367 /* Check that this entry was actually valid --
368 needed in case failed in allocations */
369 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
370 snum =
371 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
372 ENET_INIT_PARAM_SNUM_SHIFT;
373 qe_put_snum((u8) snum);
374 if (!((i == 0) && skip_page_for_first_entry)) {
375 /* First entry of Rx does not have page */
376 init_enet_offset =
377 (in_be32(p_start) &
378 ENET_INIT_PARAM_PTR_MASK);
379 ugeth_info("Init enet entry %d:", i);
380 ugeth_info("Base address: 0x%08x",
381 (u32)
382 qe_muram_addr(init_enet_offset));
383 mem_disp(qe_muram_addr(init_enet_offset),
384 thread_size);
385 }
386 p_start++;
387 }
388 }
389
390 return 0;
391 }
392 #endif
393
394 #ifdef CONFIG_UGETH_FILTERING
395 static struct enet_addr_container *get_enet_addr_container(void)
396 {
397 struct enet_addr_container *enet_addr_cont;
398
399 /* allocate memory */
400 enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL);
401 if (!enet_addr_cont) {
402 ugeth_err("%s: No memory for enet_addr_container object.",
403 __func__);
404 return NULL;
405 }
406
407 return enet_addr_cont;
408 }
409 #endif /* CONFIG_UGETH_FILTERING */
410
411 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
412 {
413 kfree(enet_addr_cont);
414 }
415
416 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
417 {
418 out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
419 out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
420 out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
421 }
422
423 #ifdef CONFIG_UGETH_FILTERING
424 static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth,
425 u8 *p_enet_addr, u8 paddr_num)
426 {
427 struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
428
429 if (!(paddr_num < NUM_OF_PADDRS)) {
430 ugeth_warn("%s: Illegal paddr_num.", __func__);
431 return -EINVAL;
432 }
433
434 p_82xx_addr_filt =
435 (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
436 addressfiltering;
437
438 /* Ethernet frames are defined in Little Endian mode, */
439 /* therefore to insert the address we reverse the bytes. */
440 set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr);
441 return 0;
442 }
443 #endif /* CONFIG_UGETH_FILTERING */
444
445 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
446 {
447 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
448
449 if (!(paddr_num < NUM_OF_PADDRS)) {
450 ugeth_warn("%s: Illagel paddr_num.", __func__);
451 return -EINVAL;
452 }
453
454 p_82xx_addr_filt =
455 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
456 addressfiltering;
457
458 /* Writing address ff.ff.ff.ff.ff.ff disables address
459 recognition for this register */
460 out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
461 out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
462 out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
463
464 return 0;
465 }
466
467 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
468 u8 *p_enet_addr)
469 {
470 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
471 u32 cecr_subblock;
472
473 p_82xx_addr_filt =
474 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
475 addressfiltering;
476
477 cecr_subblock =
478 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
479
480 /* Ethernet frames are defined in Little Endian mode,
481 therefor to insert */
482 /* the address to the hash (Big Endian mode), we reverse the bytes.*/
483
484 set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
485
486 qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
487 QE_CR_PROTOCOL_ETHERNET, 0);
488 }
489
490 #ifdef CONFIG_UGETH_MAGIC_PACKET
491 static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
492 {
493 struct ucc_fast_private *uccf;
494 struct ucc_geth __iomem *ug_regs;
495 u32 maccfg2, uccm;
496
497 uccf = ugeth->uccf;
498 ug_regs = ugeth->ug_regs;
499
500 /* Enable interrupts for magic packet detection */
501 uccm = in_be32(uccf->p_uccm);
502 uccm |= UCCE_MPD;
503 out_be32(uccf->p_uccm, uccm);
504
505 /* Enable magic packet detection */
506 maccfg2 = in_be32(&ug_regs->maccfg2);
507 maccfg2 |= MACCFG2_MPE;
508 out_be32(&ug_regs->maccfg2, maccfg2);
509 }
510
511 static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
512 {
513 struct ucc_fast_private *uccf;
514 struct ucc_geth __iomem *ug_regs;
515 u32 maccfg2, uccm;
516
517 uccf = ugeth->uccf;
518 ug_regs = ugeth->ug_regs;
519
520 /* Disable interrupts for magic packet detection */
521 uccm = in_be32(uccf->p_uccm);
522 uccm &= ~UCCE_MPD;
523 out_be32(uccf->p_uccm, uccm);
524
525 /* Disable magic packet detection */
526 maccfg2 = in_be32(&ug_regs->maccfg2);
527 maccfg2 &= ~MACCFG2_MPE;
528 out_be32(&ug_regs->maccfg2, maccfg2);
529 }
530 #endif /* MAGIC_PACKET */
531
532 static inline int compare_addr(u8 **addr1, u8 **addr2)
533 {
534 return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
535 }
536
537 #ifdef DEBUG
538 static void get_statistics(struct ucc_geth_private *ugeth,
539 struct ucc_geth_tx_firmware_statistics *
540 tx_firmware_statistics,
541 struct ucc_geth_rx_firmware_statistics *
542 rx_firmware_statistics,
543 struct ucc_geth_hardware_statistics *hardware_statistics)
544 {
545 struct ucc_fast __iomem *uf_regs;
546 struct ucc_geth __iomem *ug_regs;
547 struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
548 struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
549
550 ug_regs = ugeth->ug_regs;
551 uf_regs = (struct ucc_fast __iomem *) ug_regs;
552 p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
553 p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
554
555 /* Tx firmware only if user handed pointer and driver actually
556 gathers Tx firmware statistics */
557 if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
558 tx_firmware_statistics->sicoltx =
559 in_be32(&p_tx_fw_statistics_pram->sicoltx);
560 tx_firmware_statistics->mulcoltx =
561 in_be32(&p_tx_fw_statistics_pram->mulcoltx);
562 tx_firmware_statistics->latecoltxfr =
563 in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
564 tx_firmware_statistics->frabortduecol =
565 in_be32(&p_tx_fw_statistics_pram->frabortduecol);
566 tx_firmware_statistics->frlostinmactxer =
567 in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
568 tx_firmware_statistics->carriersenseertx =
569 in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
570 tx_firmware_statistics->frtxok =
571 in_be32(&p_tx_fw_statistics_pram->frtxok);
572 tx_firmware_statistics->txfrexcessivedefer =
573 in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
574 tx_firmware_statistics->txpkts256 =
575 in_be32(&p_tx_fw_statistics_pram->txpkts256);
576 tx_firmware_statistics->txpkts512 =
577 in_be32(&p_tx_fw_statistics_pram->txpkts512);
578 tx_firmware_statistics->txpkts1024 =
579 in_be32(&p_tx_fw_statistics_pram->txpkts1024);
580 tx_firmware_statistics->txpktsjumbo =
581 in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
582 }
583
584 /* Rx firmware only if user handed pointer and driver actually
585 * gathers Rx firmware statistics */
586 if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
587 int i;
588 rx_firmware_statistics->frrxfcser =
589 in_be32(&p_rx_fw_statistics_pram->frrxfcser);
590 rx_firmware_statistics->fraligner =
591 in_be32(&p_rx_fw_statistics_pram->fraligner);
592 rx_firmware_statistics->inrangelenrxer =
593 in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
594 rx_firmware_statistics->outrangelenrxer =
595 in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
596 rx_firmware_statistics->frtoolong =
597 in_be32(&p_rx_fw_statistics_pram->frtoolong);
598 rx_firmware_statistics->runt =
599 in_be32(&p_rx_fw_statistics_pram->runt);
600 rx_firmware_statistics->verylongevent =
601 in_be32(&p_rx_fw_statistics_pram->verylongevent);
602 rx_firmware_statistics->symbolerror =
603 in_be32(&p_rx_fw_statistics_pram->symbolerror);
604 rx_firmware_statistics->dropbsy =
605 in_be32(&p_rx_fw_statistics_pram->dropbsy);
606 for (i = 0; i < 0x8; i++)
607 rx_firmware_statistics->res0[i] =
608 p_rx_fw_statistics_pram->res0[i];
609 rx_firmware_statistics->mismatchdrop =
610 in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
611 rx_firmware_statistics->underpkts =
612 in_be32(&p_rx_fw_statistics_pram->underpkts);
613 rx_firmware_statistics->pkts256 =
614 in_be32(&p_rx_fw_statistics_pram->pkts256);
615 rx_firmware_statistics->pkts512 =
616 in_be32(&p_rx_fw_statistics_pram->pkts512);
617 rx_firmware_statistics->pkts1024 =
618 in_be32(&p_rx_fw_statistics_pram->pkts1024);
619 rx_firmware_statistics->pktsjumbo =
620 in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
621 rx_firmware_statistics->frlossinmacer =
622 in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
623 rx_firmware_statistics->pausefr =
624 in_be32(&p_rx_fw_statistics_pram->pausefr);
625 for (i = 0; i < 0x4; i++)
626 rx_firmware_statistics->res1[i] =
627 p_rx_fw_statistics_pram->res1[i];
628 rx_firmware_statistics->removevlan =
629 in_be32(&p_rx_fw_statistics_pram->removevlan);
630 rx_firmware_statistics->replacevlan =
631 in_be32(&p_rx_fw_statistics_pram->replacevlan);
632 rx_firmware_statistics->insertvlan =
633 in_be32(&p_rx_fw_statistics_pram->insertvlan);
634 }
635
636 /* Hardware only if user handed pointer and driver actually
637 gathers hardware statistics */
638 if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) {
639 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
640 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
641 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
642 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
643 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
644 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
645 hardware_statistics->txok = in_be32(&ug_regs->txok);
646 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
647 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
648 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
649 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
650 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
651 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
652 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
653 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
654 }
655 }
656
657 static void dump_bds(struct ucc_geth_private *ugeth)
658 {
659 int i;
660 int length;
661
662 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
663 if (ugeth->p_tx_bd_ring[i]) {
664 length =
665 (ugeth->ug_info->bdRingLenTx[i] *
666 sizeof(struct qe_bd));
667 ugeth_info("TX BDs[%d]", i);
668 mem_disp(ugeth->p_tx_bd_ring[i], length);
669 }
670 }
671 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
672 if (ugeth->p_rx_bd_ring[i]) {
673 length =
674 (ugeth->ug_info->bdRingLenRx[i] *
675 sizeof(struct qe_bd));
676 ugeth_info("RX BDs[%d]", i);
677 mem_disp(ugeth->p_rx_bd_ring[i], length);
678 }
679 }
680 }
681
682 static void dump_regs(struct ucc_geth_private *ugeth)
683 {
684 int i;
685
686 ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
687 ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
688
689 ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x",
690 (u32) & ugeth->ug_regs->maccfg1,
691 in_be32(&ugeth->ug_regs->maccfg1));
692 ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x",
693 (u32) & ugeth->ug_regs->maccfg2,
694 in_be32(&ugeth->ug_regs->maccfg2));
695 ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x",
696 (u32) & ugeth->ug_regs->ipgifg,
697 in_be32(&ugeth->ug_regs->ipgifg));
698 ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x",
699 (u32) & ugeth->ug_regs->hafdup,
700 in_be32(&ugeth->ug_regs->hafdup));
701 ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x",
702 (u32) & ugeth->ug_regs->ifctl,
703 in_be32(&ugeth->ug_regs->ifctl));
704 ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x",
705 (u32) & ugeth->ug_regs->ifstat,
706 in_be32(&ugeth->ug_regs->ifstat));
707 ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
708 (u32) & ugeth->ug_regs->macstnaddr1,
709 in_be32(&ugeth->ug_regs->macstnaddr1));
710 ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
711 (u32) & ugeth->ug_regs->macstnaddr2,
712 in_be32(&ugeth->ug_regs->macstnaddr2));
713 ugeth_info("uempr : addr - 0x%08x, val - 0x%08x",
714 (u32) & ugeth->ug_regs->uempr,
715 in_be32(&ugeth->ug_regs->uempr));
716 ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x",
717 (u32) & ugeth->ug_regs->utbipar,
718 in_be32(&ugeth->ug_regs->utbipar));
719 ugeth_info("uescr : addr - 0x%08x, val - 0x%04x",
720 (u32) & ugeth->ug_regs->uescr,
721 in_be16(&ugeth->ug_regs->uescr));
722 ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x",
723 (u32) & ugeth->ug_regs->tx64,
724 in_be32(&ugeth->ug_regs->tx64));
725 ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x",
726 (u32) & ugeth->ug_regs->tx127,
727 in_be32(&ugeth->ug_regs->tx127));
728 ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x",
729 (u32) & ugeth->ug_regs->tx255,
730 in_be32(&ugeth->ug_regs->tx255));
731 ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x",
732 (u32) & ugeth->ug_regs->rx64,
733 in_be32(&ugeth->ug_regs->rx64));
734 ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x",
735 (u32) & ugeth->ug_regs->rx127,
736 in_be32(&ugeth->ug_regs->rx127));
737 ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x",
738 (u32) & ugeth->ug_regs->rx255,
739 in_be32(&ugeth->ug_regs->rx255));
740 ugeth_info("txok : addr - 0x%08x, val - 0x%08x",
741 (u32) & ugeth->ug_regs->txok,
742 in_be32(&ugeth->ug_regs->txok));
743 ugeth_info("txcf : addr - 0x%08x, val - 0x%04x",
744 (u32) & ugeth->ug_regs->txcf,
745 in_be16(&ugeth->ug_regs->txcf));
746 ugeth_info("tmca : addr - 0x%08x, val - 0x%08x",
747 (u32) & ugeth->ug_regs->tmca,
748 in_be32(&ugeth->ug_regs->tmca));
749 ugeth_info("tbca : addr - 0x%08x, val - 0x%08x",
750 (u32) & ugeth->ug_regs->tbca,
751 in_be32(&ugeth->ug_regs->tbca));
752 ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x",
753 (u32) & ugeth->ug_regs->rxfok,
754 in_be32(&ugeth->ug_regs->rxfok));
755 ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x",
756 (u32) & ugeth->ug_regs->rxbok,
757 in_be32(&ugeth->ug_regs->rxbok));
758 ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x",
759 (u32) & ugeth->ug_regs->rbyt,
760 in_be32(&ugeth->ug_regs->rbyt));
761 ugeth_info("rmca : addr - 0x%08x, val - 0x%08x",
762 (u32) & ugeth->ug_regs->rmca,
763 in_be32(&ugeth->ug_regs->rmca));
764 ugeth_info("rbca : addr - 0x%08x, val - 0x%08x",
765 (u32) & ugeth->ug_regs->rbca,
766 in_be32(&ugeth->ug_regs->rbca));
767 ugeth_info("scar : addr - 0x%08x, val - 0x%08x",
768 (u32) & ugeth->ug_regs->scar,
769 in_be32(&ugeth->ug_regs->scar));
770 ugeth_info("scam : addr - 0x%08x, val - 0x%08x",
771 (u32) & ugeth->ug_regs->scam,
772 in_be32(&ugeth->ug_regs->scam));
773
774 if (ugeth->p_thread_data_tx) {
775 int numThreadsTxNumerical;
776 switch (ugeth->ug_info->numThreadsTx) {
777 case UCC_GETH_NUM_OF_THREADS_1:
778 numThreadsTxNumerical = 1;
779 break;
780 case UCC_GETH_NUM_OF_THREADS_2:
781 numThreadsTxNumerical = 2;
782 break;
783 case UCC_GETH_NUM_OF_THREADS_4:
784 numThreadsTxNumerical = 4;
785 break;
786 case UCC_GETH_NUM_OF_THREADS_6:
787 numThreadsTxNumerical = 6;
788 break;
789 case UCC_GETH_NUM_OF_THREADS_8:
790 numThreadsTxNumerical = 8;
791 break;
792 default:
793 numThreadsTxNumerical = 0;
794 break;
795 }
796
797 ugeth_info("Thread data TXs:");
798 ugeth_info("Base address: 0x%08x",
799 (u32) ugeth->p_thread_data_tx);
800 for (i = 0; i < numThreadsTxNumerical; i++) {
801 ugeth_info("Thread data TX[%d]:", i);
802 ugeth_info("Base address: 0x%08x",
803 (u32) & ugeth->p_thread_data_tx[i]);
804 mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
805 sizeof(struct ucc_geth_thread_data_tx));
806 }
807 }
808 if (ugeth->p_thread_data_rx) {
809 int numThreadsRxNumerical;
810 switch (ugeth->ug_info->numThreadsRx) {
811 case UCC_GETH_NUM_OF_THREADS_1:
812 numThreadsRxNumerical = 1;
813 break;
814 case UCC_GETH_NUM_OF_THREADS_2:
815 numThreadsRxNumerical = 2;
816 break;
817 case UCC_GETH_NUM_OF_THREADS_4:
818 numThreadsRxNumerical = 4;
819 break;
820 case UCC_GETH_NUM_OF_THREADS_6:
821 numThreadsRxNumerical = 6;
822 break;
823 case UCC_GETH_NUM_OF_THREADS_8:
824 numThreadsRxNumerical = 8;
825 break;
826 default:
827 numThreadsRxNumerical = 0;
828 break;
829 }
830
831 ugeth_info("Thread data RX:");
832 ugeth_info("Base address: 0x%08x",
833 (u32) ugeth->p_thread_data_rx);
834 for (i = 0; i < numThreadsRxNumerical; i++) {
835 ugeth_info("Thread data RX[%d]:", i);
836 ugeth_info("Base address: 0x%08x",
837 (u32) & ugeth->p_thread_data_rx[i]);
838 mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
839 sizeof(struct ucc_geth_thread_data_rx));
840 }
841 }
842 if (ugeth->p_exf_glbl_param) {
843 ugeth_info("EXF global param:");
844 ugeth_info("Base address: 0x%08x",
845 (u32) ugeth->p_exf_glbl_param);
846 mem_disp((u8 *) ugeth->p_exf_glbl_param,
847 sizeof(*ugeth->p_exf_glbl_param));
848 }
849 if (ugeth->p_tx_glbl_pram) {
850 ugeth_info("TX global param:");
851 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
852 ugeth_info("temoder : addr - 0x%08x, val - 0x%04x",
853 (u32) & ugeth->p_tx_glbl_pram->temoder,
854 in_be16(&ugeth->p_tx_glbl_pram->temoder));
855 ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x",
856 (u32) & ugeth->p_tx_glbl_pram->sqptr,
857 in_be32(&ugeth->p_tx_glbl_pram->sqptr));
858 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
859 (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
860 in_be32(&ugeth->p_tx_glbl_pram->
861 schedulerbasepointer));
862 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
863 (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
864 in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
865 ugeth_info("tstate : addr - 0x%08x, val - 0x%08x",
866 (u32) & ugeth->p_tx_glbl_pram->tstate,
867 in_be32(&ugeth->p_tx_glbl_pram->tstate));
868 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
869 (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
870 ugeth->p_tx_glbl_pram->iphoffset[0]);
871 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
872 (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
873 ugeth->p_tx_glbl_pram->iphoffset[1]);
874 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
875 (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
876 ugeth->p_tx_glbl_pram->iphoffset[2]);
877 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
878 (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
879 ugeth->p_tx_glbl_pram->iphoffset[3]);
880 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
881 (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
882 ugeth->p_tx_glbl_pram->iphoffset[4]);
883 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
884 (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
885 ugeth->p_tx_glbl_pram->iphoffset[5]);
886 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
887 (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
888 ugeth->p_tx_glbl_pram->iphoffset[6]);
889 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
890 (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
891 ugeth->p_tx_glbl_pram->iphoffset[7]);
892 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
893 (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
894 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
895 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
896 (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
897 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
898 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
899 (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
900 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
901 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
902 (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
903 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
904 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
905 (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
906 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
907 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
908 (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
909 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
910 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
911 (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
912 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
913 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
914 (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
915 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
916 ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x",
917 (u32) & ugeth->p_tx_glbl_pram->tqptr,
918 in_be32(&ugeth->p_tx_glbl_pram->tqptr));
919 }
920 if (ugeth->p_rx_glbl_pram) {
921 ugeth_info("RX global param:");
922 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
923 ugeth_info("remoder : addr - 0x%08x, val - 0x%08x",
924 (u32) & ugeth->p_rx_glbl_pram->remoder,
925 in_be32(&ugeth->p_rx_glbl_pram->remoder));
926 ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x",
927 (u32) & ugeth->p_rx_glbl_pram->rqptr,
928 in_be32(&ugeth->p_rx_glbl_pram->rqptr));
929 ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x",
930 (u32) & ugeth->p_rx_glbl_pram->typeorlen,
931 in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
932 ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x",
933 (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
934 ugeth->p_rx_glbl_pram->rxgstpack);
935 ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x",
936 (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
937 in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
938 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
939 (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
940 in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
941 ugeth_info("rstate : addr - 0x%08x, val - 0x%02x",
942 (u32) & ugeth->p_rx_glbl_pram->rstate,
943 ugeth->p_rx_glbl_pram->rstate);
944 ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x",
945 (u32) & ugeth->p_rx_glbl_pram->mrblr,
946 in_be16(&ugeth->p_rx_glbl_pram->mrblr));
947 ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x",
948 (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
949 in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
950 ugeth_info("mflr : addr - 0x%08x, val - 0x%04x",
951 (u32) & ugeth->p_rx_glbl_pram->mflr,
952 in_be16(&ugeth->p_rx_glbl_pram->mflr));
953 ugeth_info("minflr : addr - 0x%08x, val - 0x%04x",
954 (u32) & ugeth->p_rx_glbl_pram->minflr,
955 in_be16(&ugeth->p_rx_glbl_pram->minflr));
956 ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x",
957 (u32) & ugeth->p_rx_glbl_pram->maxd1,
958 in_be16(&ugeth->p_rx_glbl_pram->maxd1));
959 ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x",
960 (u32) & ugeth->p_rx_glbl_pram->maxd2,
961 in_be16(&ugeth->p_rx_glbl_pram->maxd2));
962 ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x",
963 (u32) & ugeth->p_rx_glbl_pram->ecamptr,
964 in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
965 ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x",
966 (u32) & ugeth->p_rx_glbl_pram->l2qt,
967 in_be32(&ugeth->p_rx_glbl_pram->l2qt));
968 ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x",
969 (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
970 in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
971 ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x",
972 (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
973 in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
974 ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x",
975 (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
976 in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
977 ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x",
978 (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
979 in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
980 ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x",
981 (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
982 in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
983 ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x",
984 (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
985 in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
986 ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x",
987 (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
988 in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
989 ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x",
990 (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
991 in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
992 ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x",
993 (u32) & ugeth->p_rx_glbl_pram->vlantype,
994 in_be16(&ugeth->p_rx_glbl_pram->vlantype));
995 ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x",
996 (u32) & ugeth->p_rx_glbl_pram->vlantci,
997 in_be16(&ugeth->p_rx_glbl_pram->vlantci));
998 for (i = 0; i < 64; i++)
999 ugeth_info
1000 ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
1001 i,
1002 (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
1003 ugeth->p_rx_glbl_pram->addressfiltering[i]);
1004 ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x",
1005 (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
1006 in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
1007 }
1008 if (ugeth->p_send_q_mem_reg) {
1009 ugeth_info("Send Q memory registers:");
1010 ugeth_info("Base address: 0x%08x",
1011 (u32) ugeth->p_send_q_mem_reg);
1012 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1013 ugeth_info("SQQD[%d]:", i);
1014 ugeth_info("Base address: 0x%08x",
1015 (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
1016 mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
1017 sizeof(struct ucc_geth_send_queue_qd));
1018 }
1019 }
1020 if (ugeth->p_scheduler) {
1021 ugeth_info("Scheduler:");
1022 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
1023 mem_disp((u8 *) ugeth->p_scheduler,
1024 sizeof(*ugeth->p_scheduler));
1025 }
1026 if (ugeth->p_tx_fw_statistics_pram) {
1027 ugeth_info("TX FW statistics pram:");
1028 ugeth_info("Base address: 0x%08x",
1029 (u32) ugeth->p_tx_fw_statistics_pram);
1030 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
1031 sizeof(*ugeth->p_tx_fw_statistics_pram));
1032 }
1033 if (ugeth->p_rx_fw_statistics_pram) {
1034 ugeth_info("RX FW statistics pram:");
1035 ugeth_info("Base address: 0x%08x",
1036 (u32) ugeth->p_rx_fw_statistics_pram);
1037 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
1038 sizeof(*ugeth->p_rx_fw_statistics_pram));
1039 }
1040 if (ugeth->p_rx_irq_coalescing_tbl) {
1041 ugeth_info("RX IRQ coalescing tables:");
1042 ugeth_info("Base address: 0x%08x",
1043 (u32) ugeth->p_rx_irq_coalescing_tbl);
1044 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1045 ugeth_info("RX IRQ coalescing table entry[%d]:", i);
1046 ugeth_info("Base address: 0x%08x",
1047 (u32) & ugeth->p_rx_irq_coalescing_tbl->
1048 coalescingentry[i]);
1049 ugeth_info
1050 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
1051 (u32) & ugeth->p_rx_irq_coalescing_tbl->
1052 coalescingentry[i].interruptcoalescingmaxvalue,
1053 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1054 coalescingentry[i].
1055 interruptcoalescingmaxvalue));
1056 ugeth_info
1057 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
1058 (u32) & ugeth->p_rx_irq_coalescing_tbl->
1059 coalescingentry[i].interruptcoalescingcounter,
1060 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1061 coalescingentry[i].
1062 interruptcoalescingcounter));
1063 }
1064 }
1065 if (ugeth->p_rx_bd_qs_tbl) {
1066 ugeth_info("RX BD QS tables:");
1067 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1068 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1069 ugeth_info("RX BD QS table[%d]:", i);
1070 ugeth_info("Base address: 0x%08x",
1071 (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1072 ugeth_info
1073 ("bdbaseptr : addr - 0x%08x, val - 0x%08x",
1074 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1075 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1076 ugeth_info
1077 ("bdptr : addr - 0x%08x, val - 0x%08x",
1078 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1079 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1080 ugeth_info
1081 ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1082 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1083 in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1084 externalbdbaseptr));
1085 ugeth_info
1086 ("externalbdptr : addr - 0x%08x, val - 0x%08x",
1087 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1088 in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1089 ugeth_info("ucode RX Prefetched BDs:");
1090 ugeth_info("Base address: 0x%08x",
1091 (u32)
1092 qe_muram_addr(in_be32
1093 (&ugeth->p_rx_bd_qs_tbl[i].
1094 bdbaseptr)));
1095 mem_disp((u8 *)
1096 qe_muram_addr(in_be32
1097 (&ugeth->p_rx_bd_qs_tbl[i].
1098 bdbaseptr)),
1099 sizeof(struct ucc_geth_rx_prefetched_bds));
1100 }
1101 }
1102 if (ugeth->p_init_enet_param_shadow) {
1103 int size;
1104 ugeth_info("Init enet param shadow:");
1105 ugeth_info("Base address: 0x%08x",
1106 (u32) ugeth->p_init_enet_param_shadow);
1107 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1108 sizeof(*ugeth->p_init_enet_param_shadow));
1109
1110 size = sizeof(struct ucc_geth_thread_rx_pram);
1111 if (ugeth->ug_info->rxExtendedFiltering) {
1112 size +=
1113 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1114 if (ugeth->ug_info->largestexternallookupkeysize ==
1115 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1116 size +=
1117 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1118 if (ugeth->ug_info->largestexternallookupkeysize ==
1119 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1120 size +=
1121 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1122 }
1123
1124 dump_init_enet_entries(ugeth,
1125 &(ugeth->p_init_enet_param_shadow->
1126 txthread[0]),
1127 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1128 sizeof(struct ucc_geth_thread_tx_pram),
1129 ugeth->ug_info->riscTx, 0);
1130 dump_init_enet_entries(ugeth,
1131 &(ugeth->p_init_enet_param_shadow->
1132 rxthread[0]),
1133 ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1134 ugeth->ug_info->riscRx, 1);
1135 }
1136 }
1137 #endif /* DEBUG */
1138
1139 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1140 u32 __iomem *maccfg1_register,
1141 u32 __iomem *maccfg2_register)
1142 {
1143 out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1144 out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1145 out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1146 }
1147
1148 static int init_half_duplex_params(int alt_beb,
1149 int back_pressure_no_backoff,
1150 int no_backoff,
1151 int excess_defer,
1152 u8 alt_beb_truncation,
1153 u8 max_retransmissions,
1154 u8 collision_window,
1155 u32 __iomem *hafdup_register)
1156 {
1157 u32 value = 0;
1158
1159 if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1160 (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1161 (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1162 return -EINVAL;
1163
1164 value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1165
1166 if (alt_beb)
1167 value |= HALFDUP_ALT_BEB;
1168 if (back_pressure_no_backoff)
1169 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1170 if (no_backoff)
1171 value |= HALFDUP_NO_BACKOFF;
1172 if (excess_defer)
1173 value |= HALFDUP_EXCESSIVE_DEFER;
1174
1175 value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1176
1177 value |= collision_window;
1178
1179 out_be32(hafdup_register, value);
1180 return 0;
1181 }
1182
1183 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1184 u8 non_btb_ipg,
1185 u8 min_ifg,
1186 u8 btb_ipg,
1187 u32 __iomem *ipgifg_register)
1188 {
1189 u32 value = 0;
1190
1191 /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1192 IPG part 2 */
1193 if (non_btb_cs_ipg > non_btb_ipg)
1194 return -EINVAL;
1195
1196 if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1197 (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1198 /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1199 (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1200 return -EINVAL;
1201
1202 value |=
1203 ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1204 IPGIFG_NBTB_CS_IPG_MASK);
1205 value |=
1206 ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1207 IPGIFG_NBTB_IPG_MASK);
1208 value |=
1209 ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1210 IPGIFG_MIN_IFG_MASK);
1211 value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1212
1213 out_be32(ipgifg_register, value);
1214 return 0;
1215 }
1216
1217 int init_flow_control_params(u32 automatic_flow_control_mode,
1218 int rx_flow_control_enable,
1219 int tx_flow_control_enable,
1220 u16 pause_period,
1221 u16 extension_field,
1222 u32 __iomem *upsmr_register,
1223 u32 __iomem *uempr_register,
1224 u32 __iomem *maccfg1_register)
1225 {
1226 u32 value = 0;
1227
1228 /* Set UEMPR register */
1229 value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1230 value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1231 out_be32(uempr_register, value);
1232
1233 /* Set UPSMR register */
1234 value = in_be32(upsmr_register);
1235 value |= automatic_flow_control_mode;
1236 out_be32(upsmr_register, value);
1237
1238 value = in_be32(maccfg1_register);
1239 if (rx_flow_control_enable)
1240 value |= MACCFG1_FLOW_RX;
1241 if (tx_flow_control_enable)
1242 value |= MACCFG1_FLOW_TX;
1243 out_be32(maccfg1_register, value);
1244
1245 return 0;
1246 }
1247
1248 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1249 int auto_zero_hardware_statistics,
1250 u32 __iomem *upsmr_register,
1251 u16 __iomem *uescr_register)
1252 {
1253 u32 upsmr_value = 0;
1254 u16 uescr_value = 0;
1255 /* Enable hardware statistics gathering if requested */
1256 if (enable_hardware_statistics) {
1257 upsmr_value = in_be32(upsmr_register);
1258 upsmr_value |= UPSMR_HSE;
1259 out_be32(upsmr_register, upsmr_value);
1260 }
1261
1262 /* Clear hardware statistics counters */
1263 uescr_value = in_be16(uescr_register);
1264 uescr_value |= UESCR_CLRCNT;
1265 /* Automatically zero hardware statistics counters on read,
1266 if requested */
1267 if (auto_zero_hardware_statistics)
1268 uescr_value |= UESCR_AUTOZ;
1269 out_be16(uescr_register, uescr_value);
1270
1271 return 0;
1272 }
1273
1274 static int init_firmware_statistics_gathering_mode(int
1275 enable_tx_firmware_statistics,
1276 int enable_rx_firmware_statistics,
1277 u32 __iomem *tx_rmon_base_ptr,
1278 u32 tx_firmware_statistics_structure_address,
1279 u32 __iomem *rx_rmon_base_ptr,
1280 u32 rx_firmware_statistics_structure_address,
1281 u16 __iomem *temoder_register,
1282 u32 __iomem *remoder_register)
1283 {
1284 /* Note: this function does not check if */
1285 /* the parameters it receives are NULL */
1286 u16 temoder_value;
1287 u32 remoder_value;
1288
1289 if (enable_tx_firmware_statistics) {
1290 out_be32(tx_rmon_base_ptr,
1291 tx_firmware_statistics_structure_address);
1292 temoder_value = in_be16(temoder_register);
1293 temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE;
1294 out_be16(temoder_register, temoder_value);
1295 }
1296
1297 if (enable_rx_firmware_statistics) {
1298 out_be32(rx_rmon_base_ptr,
1299 rx_firmware_statistics_structure_address);
1300 remoder_value = in_be32(remoder_register);
1301 remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE;
1302 out_be32(remoder_register, remoder_value);
1303 }
1304
1305 return 0;
1306 }
1307
1308 static int init_mac_station_addr_regs(u8 address_byte_0,
1309 u8 address_byte_1,
1310 u8 address_byte_2,
1311 u8 address_byte_3,
1312 u8 address_byte_4,
1313 u8 address_byte_5,
1314 u32 __iomem *macstnaddr1_register,
1315 u32 __iomem *macstnaddr2_register)
1316 {
1317 u32 value = 0;
1318
1319 /* Example: for a station address of 0x12345678ABCD, */
1320 /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1321
1322 /* MACSTNADDR1 Register: */
1323
1324 /* 0 7 8 15 */
1325 /* station address byte 5 station address byte 4 */
1326 /* 16 23 24 31 */
1327 /* station address byte 3 station address byte 2 */
1328 value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1329 value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1330 value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1331 value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1332
1333 out_be32(macstnaddr1_register, value);
1334
1335 /* MACSTNADDR2 Register: */
1336
1337 /* 0 7 8 15 */
1338 /* station address byte 1 station address byte 0 */
1339 /* 16 23 24 31 */
1340 /* reserved reserved */
1341 value = 0;
1342 value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1343 value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1344
1345 out_be32(macstnaddr2_register, value);
1346
1347 return 0;
1348 }
1349
1350 static int init_check_frame_length_mode(int length_check,
1351 u32 __iomem *maccfg2_register)
1352 {
1353 u32 value = 0;
1354
1355 value = in_be32(maccfg2_register);
1356
1357 if (length_check)
1358 value |= MACCFG2_LC;
1359 else
1360 value &= ~MACCFG2_LC;
1361
1362 out_be32(maccfg2_register, value);
1363 return 0;
1364 }
1365
1366 static int init_preamble_length(u8 preamble_length,
1367 u32 __iomem *maccfg2_register)
1368 {
1369 u32 value = 0;
1370
1371 if ((preamble_length < 3) || (preamble_length > 7))
1372 return -EINVAL;
1373
1374 value = in_be32(maccfg2_register);
1375 value &= ~MACCFG2_PREL_MASK;
1376 value |= (preamble_length << MACCFG2_PREL_SHIFT);
1377 out_be32(maccfg2_register, value);
1378 return 0;
1379 }
1380
1381 static int init_rx_parameters(int reject_broadcast,
1382 int receive_short_frames,
1383 int promiscuous, u32 __iomem *upsmr_register)
1384 {
1385 u32 value = 0;
1386
1387 value = in_be32(upsmr_register);
1388
1389 if (reject_broadcast)
1390 value |= UPSMR_BRO;
1391 else
1392 value &= ~UPSMR_BRO;
1393
1394 if (receive_short_frames)
1395 value |= UPSMR_RSH;
1396 else
1397 value &= ~UPSMR_RSH;
1398
1399 if (promiscuous)
1400 value |= UPSMR_PRO;
1401 else
1402 value &= ~UPSMR_PRO;
1403
1404 out_be32(upsmr_register, value);
1405
1406 return 0;
1407 }
1408
1409 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1410 u16 __iomem *mrblr_register)
1411 {
1412 /* max_rx_buf_len value must be a multiple of 128 */
1413 if ((max_rx_buf_len == 0)
1414 || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1415 return -EINVAL;
1416
1417 out_be16(mrblr_register, max_rx_buf_len);
1418 return 0;
1419 }
1420
1421 static int init_min_frame_len(u16 min_frame_length,
1422 u16 __iomem *minflr_register,
1423 u16 __iomem *mrblr_register)
1424 {
1425 u16 mrblr_value = 0;
1426
1427 mrblr_value = in_be16(mrblr_register);
1428 if (min_frame_length >= (mrblr_value - 4))
1429 return -EINVAL;
1430
1431 out_be16(minflr_register, min_frame_length);
1432 return 0;
1433 }
1434
1435 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1436 {
1437 struct ucc_geth_info *ug_info;
1438 struct ucc_geth __iomem *ug_regs;
1439 struct ucc_fast __iomem *uf_regs;
1440 int ret_val;
1441 u32 upsmr, maccfg2, tbiBaseAddress;
1442 u16 value;
1443
1444 ugeth_vdbg("%s: IN", __func__);
1445
1446 ug_info = ugeth->ug_info;
1447 ug_regs = ugeth->ug_regs;
1448 uf_regs = ugeth->uccf->uf_regs;
1449
1450 /* Set MACCFG2 */
1451 maccfg2 = in_be32(&ug_regs->maccfg2);
1452 maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1453 if ((ugeth->max_speed == SPEED_10) ||
1454 (ugeth->max_speed == SPEED_100))
1455 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1456 else if (ugeth->max_speed == SPEED_1000)
1457 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1458 maccfg2 |= ug_info->padAndCrc;
1459 out_be32(&ug_regs->maccfg2, maccfg2);
1460
1461 /* Set UPSMR */
1462 upsmr = in_be32(&uf_regs->upsmr);
1463 upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM);
1464 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1465 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1466 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1467 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1468 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1469 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1470 upsmr |= UPSMR_RPM;
1471 switch (ugeth->max_speed) {
1472 case SPEED_10:
1473 upsmr |= UPSMR_R10M;
1474 /* FALLTHROUGH */
1475 case SPEED_100:
1476 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1477 upsmr |= UPSMR_RMM;
1478 }
1479 }
1480 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1481 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1482 upsmr |= UPSMR_TBIM;
1483 }
1484 out_be32(&uf_regs->upsmr, upsmr);
1485
1486 /* Disable autonegotiation in tbi mode, because by default it
1487 comes up in autonegotiation mode. */
1488 /* Note that this depends on proper setting in utbipar register. */
1489 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1490 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1491 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1492 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1493 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1494 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1495 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
1496 value &= ~0x1000; /* Turn off autonegotiation */
1497 ugeth->phydev->bus->write(ugeth->phydev->bus,
1498 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1499 }
1500
1501 init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1502
1503 ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1504 if (ret_val != 0) {
1505 if (netif_msg_probe(ugeth))
1506 ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1507 __func__);
1508 return ret_val;
1509 }
1510
1511 return 0;
1512 }
1513
1514 /* Called every time the controller might need to be made
1515 * aware of new link state. The PHY code conveys this
1516 * information through variables in the ugeth structure, and this
1517 * function converts those variables into the appropriate
1518 * register values, and can bring down the device if needed.
1519 */
1520
1521 static void adjust_link(struct net_device *dev)
1522 {
1523 struct ucc_geth_private *ugeth = netdev_priv(dev);
1524 struct ucc_geth __iomem *ug_regs;
1525 struct ucc_fast __iomem *uf_regs;
1526 struct phy_device *phydev = ugeth->phydev;
1527 unsigned long flags;
1528 int new_state = 0;
1529
1530 ug_regs = ugeth->ug_regs;
1531 uf_regs = ugeth->uccf->uf_regs;
1532
1533 spin_lock_irqsave(&ugeth->lock, flags);
1534
1535 if (phydev->link) {
1536 u32 tempval = in_be32(&ug_regs->maccfg2);
1537 u32 upsmr = in_be32(&uf_regs->upsmr);
1538 /* Now we make sure that we can be in full duplex mode.
1539 * If not, we operate in half-duplex mode. */
1540 if (phydev->duplex != ugeth->oldduplex) {
1541 new_state = 1;
1542 if (!(phydev->duplex))
1543 tempval &= ~(MACCFG2_FDX);
1544 else
1545 tempval |= MACCFG2_FDX;
1546 ugeth->oldduplex = phydev->duplex;
1547 }
1548
1549 if (phydev->speed != ugeth->oldspeed) {
1550 new_state = 1;
1551 switch (phydev->speed) {
1552 case SPEED_1000:
1553 tempval = ((tempval &
1554 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1555 MACCFG2_INTERFACE_MODE_BYTE);
1556 break;
1557 case SPEED_100:
1558 case SPEED_10:
1559 tempval = ((tempval &
1560 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1561 MACCFG2_INTERFACE_MODE_NIBBLE);
1562 /* if reduced mode, re-set UPSMR.R10M */
1563 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1564 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1565 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1566 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1567 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1568 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1569 if (phydev->speed == SPEED_10)
1570 upsmr |= UPSMR_R10M;
1571 else
1572 upsmr &= ~(UPSMR_R10M);
1573 }
1574 break;
1575 default:
1576 if (netif_msg_link(ugeth))
1577 ugeth_warn(
1578 "%s: Ack! Speed (%d) is not 10/100/1000!",
1579 dev->name, phydev->speed);
1580 break;
1581 }
1582 ugeth->oldspeed = phydev->speed;
1583 }
1584
1585 out_be32(&ug_regs->maccfg2, tempval);
1586 out_be32(&uf_regs->upsmr, upsmr);
1587
1588 if (!ugeth->oldlink) {
1589 new_state = 1;
1590 ugeth->oldlink = 1;
1591 }
1592 } else if (ugeth->oldlink) {
1593 new_state = 1;
1594 ugeth->oldlink = 0;
1595 ugeth->oldspeed = 0;
1596 ugeth->oldduplex = -1;
1597 }
1598
1599 if (new_state && netif_msg_link(ugeth))
1600 phy_print_status(phydev);
1601
1602 spin_unlock_irqrestore(&ugeth->lock, flags);
1603 }
1604
1605 /* Configure the PHY for dev.
1606 * returns 0 if success. -1 if failure
1607 */
1608 static int init_phy(struct net_device *dev)
1609 {
1610 struct ucc_geth_private *priv = netdev_priv(dev);
1611 struct phy_device *phydev;
1612 char phy_id[BUS_ID_SIZE];
1613
1614 priv->oldlink = 0;
1615 priv->oldspeed = 0;
1616 priv->oldduplex = -1;
1617
1618 snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus,
1619 priv->ug_info->phy_address);
1620
1621 phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1622
1623 if (IS_ERR(phydev)) {
1624 printk("%s: Could not attach to PHY\n", dev->name);
1625 return PTR_ERR(phydev);
1626 }
1627
1628 phydev->supported &= (ADVERTISED_10baseT_Half |
1629 ADVERTISED_10baseT_Full |
1630 ADVERTISED_100baseT_Half |
1631 ADVERTISED_100baseT_Full);
1632
1633 if (priv->max_speed == SPEED_1000)
1634 phydev->supported |= ADVERTISED_1000baseT_Full;
1635
1636 phydev->advertising = phydev->supported;
1637
1638 priv->phydev = phydev;
1639
1640 return 0;
1641 }
1642
1643
1644
1645 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1646 {
1647 struct ucc_fast_private *uccf;
1648 u32 cecr_subblock;
1649 u32 temp;
1650
1651 uccf = ugeth->uccf;
1652
1653 /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1654 temp = in_be32(uccf->p_uccm);
1655 temp &= ~UCCE_GRA;
1656 out_be32(uccf->p_uccm, temp);
1657 out_be32(uccf->p_ucce, UCCE_GRA); /* clear by writing 1 */
1658
1659 /* Issue host command */
1660 cecr_subblock =
1661 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1662 qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1663 QE_CR_PROTOCOL_ETHERNET, 0);
1664
1665 /* Wait for command to complete */
1666 do {
1667 temp = in_be32(uccf->p_ucce);
1668 } while (!(temp & UCCE_GRA));
1669
1670 uccf->stopped_tx = 1;
1671
1672 return 0;
1673 }
1674
1675 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1676 {
1677 struct ucc_fast_private *uccf;
1678 u32 cecr_subblock;
1679 u8 temp;
1680
1681 uccf = ugeth->uccf;
1682
1683 /* Clear acknowledge bit */
1684 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1685 temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1686 out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1687
1688 /* Keep issuing command and checking acknowledge bit until
1689 it is asserted, according to spec */
1690 do {
1691 /* Issue host command */
1692 cecr_subblock =
1693 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1694 ucc_num);
1695 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1696 QE_CR_PROTOCOL_ETHERNET, 0);
1697
1698 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1699 } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX));
1700
1701 uccf->stopped_rx = 1;
1702
1703 return 0;
1704 }
1705
1706 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1707 {
1708 struct ucc_fast_private *uccf;
1709 u32 cecr_subblock;
1710
1711 uccf = ugeth->uccf;
1712
1713 cecr_subblock =
1714 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1715 qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1716 uccf->stopped_tx = 0;
1717
1718 return 0;
1719 }
1720
1721 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1722 {
1723 struct ucc_fast_private *uccf;
1724 u32 cecr_subblock;
1725
1726 uccf = ugeth->uccf;
1727
1728 cecr_subblock =
1729 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1730 qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1731 0);
1732 uccf->stopped_rx = 0;
1733
1734 return 0;
1735 }
1736
1737 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1738 {
1739 struct ucc_fast_private *uccf;
1740 int enabled_tx, enabled_rx;
1741
1742 uccf = ugeth->uccf;
1743
1744 /* check if the UCC number is in range. */
1745 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1746 if (netif_msg_probe(ugeth))
1747 ugeth_err("%s: ucc_num out of range.", __func__);
1748 return -EINVAL;
1749 }
1750
1751 enabled_tx = uccf->enabled_tx;
1752 enabled_rx = uccf->enabled_rx;
1753
1754 /* Get Tx and Rx going again, in case this channel was actively
1755 disabled. */
1756 if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1757 ugeth_restart_tx(ugeth);
1758 if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1759 ugeth_restart_rx(ugeth);
1760
1761 ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
1762
1763 return 0;
1764
1765 }
1766
1767 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1768 {
1769 struct ucc_fast_private *uccf;
1770
1771 uccf = ugeth->uccf;
1772
1773 /* check if the UCC number is in range. */
1774 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1775 if (netif_msg_probe(ugeth))
1776 ugeth_err("%s: ucc_num out of range.", __func__);
1777 return -EINVAL;
1778 }
1779
1780 /* Stop any transmissions */
1781 if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1782 ugeth_graceful_stop_tx(ugeth);
1783
1784 /* Stop any receptions */
1785 if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1786 ugeth_graceful_stop_rx(ugeth);
1787
1788 ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1789
1790 return 0;
1791 }
1792
1793 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1794 {
1795 #ifdef DEBUG
1796 ucc_fast_dump_regs(ugeth->uccf);
1797 dump_regs(ugeth);
1798 dump_bds(ugeth);
1799 #endif
1800 }
1801
1802 #ifdef CONFIG_UGETH_FILTERING
1803 static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1804 p_UccGethTadParams,
1805 struct qe_fltr_tad *qe_fltr_tad)
1806 {
1807 u16 temp;
1808
1809 /* Zero serialized TAD */
1810 memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
1811
1812 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V; /* Must have this */
1813 if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
1814 (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
1815 || (p_UccGethTadParams->vnontag_op !=
1816 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
1817 )
1818 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
1819 if (p_UccGethTadParams->reject_frame)
1820 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
1821 temp =
1822 (u16) (((u16) p_UccGethTadParams->
1823 vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
1824 qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
1825
1826 qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff); /* lower bits */
1827 if (p_UccGethTadParams->vnontag_op ==
1828 UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
1829 qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
1830 qe_fltr_tad->serialized[1] |=
1831 p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
1832
1833 qe_fltr_tad->serialized[2] |=
1834 p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
1835 /* upper bits */
1836 qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
1837 /* lower bits */
1838 qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
1839
1840 return 0;
1841 }
1842
1843 static struct enet_addr_container_t
1844 *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
1845 struct enet_addr *p_enet_addr)
1846 {
1847 struct enet_addr_container *enet_addr_cont;
1848 struct list_head *p_lh;
1849 u16 i, num;
1850 int32_t j;
1851 u8 *p_counter;
1852
1853 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1854 p_lh = &ugeth->group_hash_q;
1855 p_counter = &(ugeth->numGroupAddrInHash);
1856 } else {
1857 p_lh = &ugeth->ind_hash_q;
1858 p_counter = &(ugeth->numIndAddrInHash);
1859 }
1860
1861 if (!p_lh)
1862 return NULL;
1863
1864 num = *p_counter;
1865
1866 for (i = 0; i < num; i++) {
1867 enet_addr_cont =
1868 (struct enet_addr_container *)
1869 ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1870 for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
1871 if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
1872 break;
1873 if (j == 0)
1874 return enet_addr_cont; /* Found */
1875 }
1876 enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
1877 }
1878 return NULL;
1879 }
1880
1881 static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
1882 struct enet_addr *p_enet_addr)
1883 {
1884 enum ucc_geth_enet_address_recognition_location location;
1885 struct enet_addr_container *enet_addr_cont;
1886 struct list_head *p_lh;
1887 u8 i;
1888 u32 limit;
1889 u8 *p_counter;
1890
1891 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1892 p_lh = &ugeth->group_hash_q;
1893 limit = ugeth->ug_info->maxGroupAddrInHash;
1894 location =
1895 UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
1896 p_counter = &(ugeth->numGroupAddrInHash);
1897 } else {
1898 p_lh = &ugeth->ind_hash_q;
1899 limit = ugeth->ug_info->maxIndAddrInHash;
1900 location =
1901 UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
1902 p_counter = &(ugeth->numIndAddrInHash);
1903 }
1904
1905 if ((enet_addr_cont =
1906 ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
1907 list_add(p_lh, &enet_addr_cont->node); /* Put it back */
1908 return 0;
1909 }
1910 if ((!p_lh) || (!(*p_counter < limit)))
1911 return -EBUSY;
1912 if (!(enet_addr_cont = get_enet_addr_container()))
1913 return -ENOMEM;
1914 for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
1915 (enet_addr_cont->address)[i] = (*p_enet_addr)[i];
1916 enet_addr_cont->location = location;
1917 enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
1918 ++(*p_counter);
1919
1920 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1921 return 0;
1922 }
1923
1924 static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
1925 struct enet_addr *p_enet_addr)
1926 {
1927 struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1928 struct enet_addr_container *enet_addr_cont;
1929 struct ucc_fast_private *uccf;
1930 enum comm_dir comm_dir;
1931 u16 i, num;
1932 struct list_head *p_lh;
1933 u32 *addr_h, *addr_l;
1934 u8 *p_counter;
1935
1936 uccf = ugeth->uccf;
1937
1938 p_82xx_addr_filt =
1939 (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1940 addressfiltering;
1941
1942 if (!
1943 (enet_addr_cont =
1944 ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
1945 return -ENOENT;
1946
1947 /* It's been found and removed from the CQ. */
1948 /* Now destroy its container */
1949 put_enet_addr_container(enet_addr_cont);
1950
1951 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1952 addr_h = &(p_82xx_addr_filt->gaddr_h);
1953 addr_l = &(p_82xx_addr_filt->gaddr_l);
1954 p_lh = &ugeth->group_hash_q;
1955 p_counter = &(ugeth->numGroupAddrInHash);
1956 } else {
1957 addr_h = &(p_82xx_addr_filt->iaddr_h);
1958 addr_l = &(p_82xx_addr_filt->iaddr_l);
1959 p_lh = &ugeth->ind_hash_q;
1960 p_counter = &(ugeth->numIndAddrInHash);
1961 }
1962
1963 comm_dir = 0;
1964 if (uccf->enabled_tx)
1965 comm_dir |= COMM_DIR_TX;
1966 if (uccf->enabled_rx)
1967 comm_dir |= COMM_DIR_RX;
1968 if (comm_dir)
1969 ugeth_disable(ugeth, comm_dir);
1970
1971 /* Clear the hash table. */
1972 out_be32(addr_h, 0x00000000);
1973 out_be32(addr_l, 0x00000000);
1974
1975 /* Add all remaining CQ elements back into hash */
1976 num = --(*p_counter);
1977 for (i = 0; i < num; i++) {
1978 enet_addr_cont =
1979 (struct enet_addr_container *)
1980 ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1981 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1982 enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
1983 }
1984
1985 if (comm_dir)
1986 ugeth_enable(ugeth, comm_dir);
1987
1988 return 0;
1989 }
1990 #endif /* CONFIG_UGETH_FILTERING */
1991
1992 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1993 ugeth,
1994 enum enet_addr_type
1995 enet_addr_type)
1996 {
1997 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1998 struct ucc_fast_private *uccf;
1999 enum comm_dir comm_dir;
2000 struct list_head *p_lh;
2001 u16 i, num;
2002 u32 __iomem *addr_h;
2003 u32 __iomem *addr_l;
2004 u8 *p_counter;
2005
2006 uccf = ugeth->uccf;
2007
2008 p_82xx_addr_filt =
2009 (struct ucc_geth_82xx_address_filtering_pram __iomem *)
2010 ugeth->p_rx_glbl_pram->addressfiltering;
2011
2012 if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
2013 addr_h = &(p_82xx_addr_filt->gaddr_h);
2014 addr_l = &(p_82xx_addr_filt->gaddr_l);
2015 p_lh = &ugeth->group_hash_q;
2016 p_counter = &(ugeth->numGroupAddrInHash);
2017 } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
2018 addr_h = &(p_82xx_addr_filt->iaddr_h);
2019 addr_l = &(p_82xx_addr_filt->iaddr_l);
2020 p_lh = &ugeth->ind_hash_q;
2021 p_counter = &(ugeth->numIndAddrInHash);
2022 } else
2023 return -EINVAL;
2024
2025 comm_dir = 0;
2026 if (uccf->enabled_tx)
2027 comm_dir |= COMM_DIR_TX;
2028 if (uccf->enabled_rx)
2029 comm_dir |= COMM_DIR_RX;
2030 if (comm_dir)
2031 ugeth_disable(ugeth, comm_dir);
2032
2033 /* Clear the hash table. */
2034 out_be32(addr_h, 0x00000000);
2035 out_be32(addr_l, 0x00000000);
2036
2037 if (!p_lh)
2038 return 0;
2039
2040 num = *p_counter;
2041
2042 /* Delete all remaining CQ elements */
2043 for (i = 0; i < num; i++)
2044 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
2045
2046 *p_counter = 0;
2047
2048 if (comm_dir)
2049 ugeth_enable(ugeth, comm_dir);
2050
2051 return 0;
2052 }
2053
2054 #ifdef CONFIG_UGETH_FILTERING
2055 static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
2056 struct enet_addr *p_enet_addr,
2057 u8 paddr_num)
2058 {
2059 int i;
2060
2061 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
2062 ugeth_warn
2063 ("%s: multicast address added to paddr will have no "
2064 "effect - is this what you wanted?",
2065 __func__);
2066
2067 ugeth->indAddrRegUsed[paddr_num] = 1; /* mark this paddr as used */
2068 /* store address in our database */
2069 for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
2070 ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
2071 /* put in hardware */
2072 return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
2073 }
2074 #endif /* CONFIG_UGETH_FILTERING */
2075
2076 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2077 u8 paddr_num)
2078 {
2079 ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
2080 return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
2081 }
2082
2083 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2084 {
2085 u16 i, j;
2086 u8 __iomem *bd;
2087
2088 if (!ugeth)
2089 return;
2090
2091 if (ugeth->uccf) {
2092 ucc_fast_free(ugeth->uccf);
2093 ugeth->uccf = NULL;
2094 }
2095
2096 if (ugeth->p_thread_data_tx) {
2097 qe_muram_free(ugeth->thread_dat_tx_offset);
2098 ugeth->p_thread_data_tx = NULL;
2099 }
2100 if (ugeth->p_thread_data_rx) {
2101 qe_muram_free(ugeth->thread_dat_rx_offset);
2102 ugeth->p_thread_data_rx = NULL;
2103 }
2104 if (ugeth->p_exf_glbl_param) {
2105 qe_muram_free(ugeth->exf_glbl_param_offset);
2106 ugeth->p_exf_glbl_param = NULL;
2107 }
2108 if (ugeth->p_rx_glbl_pram) {
2109 qe_muram_free(ugeth->rx_glbl_pram_offset);
2110 ugeth->p_rx_glbl_pram = NULL;
2111 }
2112 if (ugeth->p_tx_glbl_pram) {
2113 qe_muram_free(ugeth->tx_glbl_pram_offset);
2114 ugeth->p_tx_glbl_pram = NULL;
2115 }
2116 if (ugeth->p_send_q_mem_reg) {
2117 qe_muram_free(ugeth->send_q_mem_reg_offset);
2118 ugeth->p_send_q_mem_reg = NULL;
2119 }
2120 if (ugeth->p_scheduler) {
2121 qe_muram_free(ugeth->scheduler_offset);
2122 ugeth->p_scheduler = NULL;
2123 }
2124 if (ugeth->p_tx_fw_statistics_pram) {
2125 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
2126 ugeth->p_tx_fw_statistics_pram = NULL;
2127 }
2128 if (ugeth->p_rx_fw_statistics_pram) {
2129 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
2130 ugeth->p_rx_fw_statistics_pram = NULL;
2131 }
2132 if (ugeth->p_rx_irq_coalescing_tbl) {
2133 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
2134 ugeth->p_rx_irq_coalescing_tbl = NULL;
2135 }
2136 if (ugeth->p_rx_bd_qs_tbl) {
2137 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
2138 ugeth->p_rx_bd_qs_tbl = NULL;
2139 }
2140 if (ugeth->p_init_enet_param_shadow) {
2141 return_init_enet_entries(ugeth,
2142 &(ugeth->p_init_enet_param_shadow->
2143 rxthread[0]),
2144 ENET_INIT_PARAM_MAX_ENTRIES_RX,
2145 ugeth->ug_info->riscRx, 1);
2146 return_init_enet_entries(ugeth,
2147 &(ugeth->p_init_enet_param_shadow->
2148 txthread[0]),
2149 ENET_INIT_PARAM_MAX_ENTRIES_TX,
2150 ugeth->ug_info->riscTx, 0);
2151 kfree(ugeth->p_init_enet_param_shadow);
2152 ugeth->p_init_enet_param_shadow = NULL;
2153 }
2154 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
2155 bd = ugeth->p_tx_bd_ring[i];
2156 if (!bd)
2157 continue;
2158 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
2159 if (ugeth->tx_skbuff[i][j]) {
2160 dma_unmap_single(&ugeth->dev->dev,
2161 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2162 (in_be32((u32 __iomem *)bd) &
2163 BD_LENGTH_MASK),
2164 DMA_TO_DEVICE);
2165 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
2166 ugeth->tx_skbuff[i][j] = NULL;
2167 }
2168 }
2169
2170 kfree(ugeth->tx_skbuff[i]);
2171
2172 if (ugeth->p_tx_bd_ring[i]) {
2173 if (ugeth->ug_info->uf_info.bd_mem_part ==
2174 MEM_PART_SYSTEM)
2175 kfree((void *)ugeth->tx_bd_ring_offset[i]);
2176 else if (ugeth->ug_info->uf_info.bd_mem_part ==
2177 MEM_PART_MURAM)
2178 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
2179 ugeth->p_tx_bd_ring[i] = NULL;
2180 }
2181 }
2182 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
2183 if (ugeth->p_rx_bd_ring[i]) {
2184 /* Return existing data buffers in ring */
2185 bd = ugeth->p_rx_bd_ring[i];
2186 for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
2187 if (ugeth->rx_skbuff[i][j]) {
2188 dma_unmap_single(&ugeth->dev->dev,
2189 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2190 ugeth->ug_info->
2191 uf_info.max_rx_buf_length +
2192 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
2193 DMA_FROM_DEVICE);
2194 dev_kfree_skb_any(
2195 ugeth->rx_skbuff[i][j]);
2196 ugeth->rx_skbuff[i][j] = NULL;
2197 }
2198 bd += sizeof(struct qe_bd);
2199 }
2200
2201 kfree(ugeth->rx_skbuff[i]);
2202
2203 if (ugeth->ug_info->uf_info.bd_mem_part ==
2204 MEM_PART_SYSTEM)
2205 kfree((void *)ugeth->rx_bd_ring_offset[i]);
2206 else if (ugeth->ug_info->uf_info.bd_mem_part ==
2207 MEM_PART_MURAM)
2208 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
2209 ugeth->p_rx_bd_ring[i] = NULL;
2210 }
2211 }
2212 while (!list_empty(&ugeth->group_hash_q))
2213 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2214 (dequeue(&ugeth->group_hash_q)));
2215 while (!list_empty(&ugeth->ind_hash_q))
2216 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2217 (dequeue(&ugeth->ind_hash_q)));
2218
2219 }
2220
2221 static void ucc_geth_set_multi(struct net_device *dev)
2222 {
2223 struct ucc_geth_private *ugeth;
2224 struct dev_mc_list *dmi;
2225 struct ucc_fast __iomem *uf_regs;
2226 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2227 int i;
2228
2229 ugeth = netdev_priv(dev);
2230
2231 uf_regs = ugeth->uccf->uf_regs;
2232
2233 if (dev->flags & IFF_PROMISC) {
2234
2235 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr) | UPSMR_PRO);
2236
2237 } else {
2238
2239 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr)&~UPSMR_PRO);
2240
2241 p_82xx_addr_filt =
2242 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2243 p_rx_glbl_pram->addressfiltering;
2244
2245 if (dev->flags & IFF_ALLMULTI) {
2246 /* Catch all multicast addresses, so set the
2247 * filter to all 1's.
2248 */
2249 out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2250 out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2251 } else {
2252 /* Clear filter and add the addresses in the list.
2253 */
2254 out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2255 out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2256
2257 dmi = dev->mc_list;
2258
2259 for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
2260
2261 /* Only support group multicast for now.
2262 */
2263 if (!(dmi->dmi_addr[0] & 1))
2264 continue;
2265
2266 /* Ask CPM to run CRC and set bit in
2267 * filter mask.
2268 */
2269 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2270 }
2271 }
2272 }
2273 }
2274
2275 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2276 {
2277 struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2278 struct phy_device *phydev = ugeth->phydev;
2279 u32 tempval;
2280
2281 ugeth_vdbg("%s: IN", __func__);
2282
2283 /* Disable the controller */
2284 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2285
2286 /* Tell the kernel the link is down */
2287 phy_stop(phydev);
2288
2289 /* Mask all interrupts */
2290 out_be32(ugeth->uccf->p_uccm, 0x00000000);
2291
2292 /* Clear all interrupts */
2293 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2294
2295 /* Disable Rx and Tx */
2296 tempval = in_be32(&ug_regs->maccfg1);
2297 tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2298 out_be32(&ug_regs->maccfg1, tempval);
2299
2300 free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
2301
2302 ucc_geth_memclean(ugeth);
2303 }
2304
2305 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2306 {
2307 struct ucc_geth_info *ug_info;
2308 struct ucc_fast_info *uf_info;
2309 int i;
2310
2311 ug_info = ugeth->ug_info;
2312 uf_info = &ug_info->uf_info;
2313
2314 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2315 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2316 if (netif_msg_probe(ugeth))
2317 ugeth_err("%s: Bad memory partition value.",
2318 __func__);
2319 return -EINVAL;
2320 }
2321
2322 /* Rx BD lengths */
2323 for (i = 0; i < ug_info->numQueuesRx; i++) {
2324 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2325 (ug_info->bdRingLenRx[i] %
2326 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2327 if (netif_msg_probe(ugeth))
2328 ugeth_err
2329 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2330 __func__);
2331 return -EINVAL;
2332 }
2333 }
2334
2335 /* Tx BD lengths */
2336 for (i = 0; i < ug_info->numQueuesTx; i++) {
2337 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2338 if (netif_msg_probe(ugeth))
2339 ugeth_err
2340 ("%s: Tx BD ring length must be no smaller than 2.",
2341 __func__);
2342 return -EINVAL;
2343 }
2344 }
2345
2346 /* mrblr */
2347 if ((uf_info->max_rx_buf_length == 0) ||
2348 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2349 if (netif_msg_probe(ugeth))
2350 ugeth_err
2351 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2352 __func__);
2353 return -EINVAL;
2354 }
2355
2356 /* num Tx queues */
2357 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2358 if (netif_msg_probe(ugeth))
2359 ugeth_err("%s: number of tx queues too large.", __func__);
2360 return -EINVAL;
2361 }
2362
2363 /* num Rx queues */
2364 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2365 if (netif_msg_probe(ugeth))
2366 ugeth_err("%s: number of rx queues too large.", __func__);
2367 return -EINVAL;
2368 }
2369
2370 /* l2qt */
2371 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2372 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2373 if (netif_msg_probe(ugeth))
2374 ugeth_err
2375 ("%s: VLAN priority table entry must not be"
2376 " larger than number of Rx queues.",
2377 __func__);
2378 return -EINVAL;
2379 }
2380 }
2381
2382 /* l3qt */
2383 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2384 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2385 if (netif_msg_probe(ugeth))
2386 ugeth_err
2387 ("%s: IP priority table entry must not be"
2388 " larger than number of Rx queues.",
2389 __func__);
2390 return -EINVAL;
2391 }
2392 }
2393
2394 if (ug_info->cam && !ug_info->ecamptr) {
2395 if (netif_msg_probe(ugeth))
2396 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2397 __func__);
2398 return -EINVAL;
2399 }
2400
2401 if ((ug_info->numStationAddresses !=
2402 UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2403 && ug_info->rxExtendedFiltering) {
2404 if (netif_msg_probe(ugeth))
2405 ugeth_err("%s: Number of station addresses greater than 1 "
2406 "not allowed in extended parsing mode.",
2407 __func__);
2408 return -EINVAL;
2409 }
2410
2411 /* Generate uccm_mask for receive */
2412 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2413 for (i = 0; i < ug_info->numQueuesRx; i++)
2414 uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
2415
2416 for (i = 0; i < ug_info->numQueuesTx; i++)
2417 uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
2418 /* Initialize the general fast UCC block. */
2419 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2420 if (netif_msg_probe(ugeth))
2421 ugeth_err("%s: Failed to init uccf.", __func__);
2422 ucc_geth_memclean(ugeth);
2423 return -ENOMEM;
2424 }
2425
2426 ugeth->ug_regs = (struct ucc_geth __iomem *) ioremap(uf_info->regs, sizeof(struct ucc_geth));
2427
2428 return 0;
2429 }
2430
2431 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2432 {
2433 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2434 struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2435 struct ucc_fast_private *uccf;
2436 struct ucc_geth_info *ug_info;
2437 struct ucc_fast_info *uf_info;
2438 struct ucc_fast __iomem *uf_regs;
2439 struct ucc_geth __iomem *ug_regs;
2440 int ret_val = -EINVAL;
2441 u32 remoder = UCC_GETH_REMODER_INIT;
2442 u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
2443 u32 ifstat, i, j, size, l2qt, l3qt, length;
2444 u16 temoder = UCC_GETH_TEMODER_INIT;
2445 u16 test;
2446 u8 function_code = 0;
2447 u8 __iomem *bd;
2448 u8 __iomem *endOfRing;
2449 u8 numThreadsRxNumerical, numThreadsTxNumerical;
2450
2451 ugeth_vdbg("%s: IN", __func__);
2452 uccf = ugeth->uccf;
2453 ug_info = ugeth->ug_info;
2454 uf_info = &ug_info->uf_info;
2455 uf_regs = uccf->uf_regs;
2456 ug_regs = ugeth->ug_regs;
2457
2458 switch (ug_info->numThreadsRx) {
2459 case UCC_GETH_NUM_OF_THREADS_1:
2460 numThreadsRxNumerical = 1;
2461 break;
2462 case UCC_GETH_NUM_OF_THREADS_2:
2463 numThreadsRxNumerical = 2;
2464 break;
2465 case UCC_GETH_NUM_OF_THREADS_4:
2466 numThreadsRxNumerical = 4;
2467 break;
2468 case UCC_GETH_NUM_OF_THREADS_6:
2469 numThreadsRxNumerical = 6;
2470 break;
2471 case UCC_GETH_NUM_OF_THREADS_8:
2472 numThreadsRxNumerical = 8;
2473 break;
2474 default:
2475 if (netif_msg_ifup(ugeth))
2476 ugeth_err("%s: Bad number of Rx threads value.",
2477 __func__);
2478 ucc_geth_memclean(ugeth);
2479 return -EINVAL;
2480 break;
2481 }
2482
2483 switch (ug_info->numThreadsTx) {
2484 case UCC_GETH_NUM_OF_THREADS_1:
2485 numThreadsTxNumerical = 1;
2486 break;
2487 case UCC_GETH_NUM_OF_THREADS_2:
2488 numThreadsTxNumerical = 2;
2489 break;
2490 case UCC_GETH_NUM_OF_THREADS_4:
2491 numThreadsTxNumerical = 4;
2492 break;
2493 case UCC_GETH_NUM_OF_THREADS_6:
2494 numThreadsTxNumerical = 6;
2495 break;
2496 case UCC_GETH_NUM_OF_THREADS_8:
2497 numThreadsTxNumerical = 8;
2498 break;
2499 default:
2500 if (netif_msg_ifup(ugeth))
2501 ugeth_err("%s: Bad number of Tx threads value.",
2502 __func__);
2503 ucc_geth_memclean(ugeth);
2504 return -EINVAL;
2505 break;
2506 }
2507
2508 /* Calculate rx_extended_features */
2509 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2510 ug_info->ipAddressAlignment ||
2511 (ug_info->numStationAddresses !=
2512 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2513
2514 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2515 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2516 || (ug_info->vlanOperationNonTagged !=
2517 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2518
2519 init_default_reg_vals(&uf_regs->upsmr,
2520 &ug_regs->maccfg1, &ug_regs->maccfg2);
2521
2522 /* Set UPSMR */
2523 /* For more details see the hardware spec. */
2524 init_rx_parameters(ug_info->bro,
2525 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2526
2527 /* We're going to ignore other registers for now, */
2528 /* except as needed to get up and running */
2529
2530 /* Set MACCFG1 */
2531 /* For more details see the hardware spec. */
2532 init_flow_control_params(ug_info->aufc,
2533 ug_info->receiveFlowControl,
2534 ug_info->transmitFlowControl,
2535 ug_info->pausePeriod,
2536 ug_info->extensionField,
2537 &uf_regs->upsmr,
2538 &ug_regs->uempr, &ug_regs->maccfg1);
2539
2540 maccfg1 = in_be32(&ug_regs->maccfg1);
2541 maccfg1 |= MACCFG1_ENABLE_RX;
2542 maccfg1 |= MACCFG1_ENABLE_TX;
2543 out_be32(&ug_regs->maccfg1, maccfg1);
2544
2545 /* Set IPGIFG */
2546 /* For more details see the hardware spec. */
2547 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2548 ug_info->nonBackToBackIfgPart2,
2549 ug_info->
2550 miminumInterFrameGapEnforcement,
2551 ug_info->backToBackInterFrameGap,
2552 &ug_regs->ipgifg);
2553 if (ret_val != 0) {
2554 if (netif_msg_ifup(ugeth))
2555 ugeth_err("%s: IPGIFG initialization parameter too large.",
2556 __func__);
2557 ucc_geth_memclean(ugeth);
2558 return ret_val;
2559 }
2560
2561 /* Set HAFDUP */
2562 /* For more details see the hardware spec. */
2563 ret_val = init_half_duplex_params(ug_info->altBeb,
2564 ug_info->backPressureNoBackoff,
2565 ug_info->noBackoff,
2566 ug_info->excessDefer,
2567 ug_info->altBebTruncation,
2568 ug_info->maxRetransmission,
2569 ug_info->collisionWindow,
2570 &ug_regs->hafdup);
2571 if (ret_val != 0) {
2572 if (netif_msg_ifup(ugeth))
2573 ugeth_err("%s: Half Duplex initialization parameter too large.",
2574 __func__);
2575 ucc_geth_memclean(ugeth);
2576 return ret_val;
2577 }
2578
2579 /* Set IFSTAT */
2580 /* For more details see the hardware spec. */
2581 /* Read only - resets upon read */
2582 ifstat = in_be32(&ug_regs->ifstat);
2583
2584 /* Clear UEMPR */
2585 /* For more details see the hardware spec. */
2586 out_be32(&ug_regs->uempr, 0);
2587
2588 /* Set UESCR */
2589 /* For more details see the hardware spec. */
2590 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2591 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2592 0, &uf_regs->upsmr, &ug_regs->uescr);
2593
2594 /* Allocate Tx bds */
2595 for (j = 0; j < ug_info->numQueuesTx; j++) {
2596 /* Allocate in multiple of
2597 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2598 according to spec */
2599 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2600 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2601 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2602 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2603 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2604 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2605 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2606 u32 align = 4;
2607 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2608 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2609 ugeth->tx_bd_ring_offset[j] =
2610 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2611
2612 if (ugeth->tx_bd_ring_offset[j] != 0)
2613 ugeth->p_tx_bd_ring[j] =
2614 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2615 align) & ~(align - 1));
2616 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2617 ugeth->tx_bd_ring_offset[j] =
2618 qe_muram_alloc(length,
2619 UCC_GETH_TX_BD_RING_ALIGNMENT);
2620 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2621 ugeth->p_tx_bd_ring[j] =
2622 (u8 __iomem *) qe_muram_addr(ugeth->
2623 tx_bd_ring_offset[j]);
2624 }
2625 if (!ugeth->p_tx_bd_ring[j]) {
2626 if (netif_msg_ifup(ugeth))
2627 ugeth_err
2628 ("%s: Can not allocate memory for Tx bd rings.",
2629 __func__);
2630 ucc_geth_memclean(ugeth);
2631 return -ENOMEM;
2632 }
2633 /* Zero unused end of bd ring, according to spec */
2634 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2635 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2636 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2637 }
2638
2639 /* Allocate Rx bds */
2640 for (j = 0; j < ug_info->numQueuesRx; j++) {
2641 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2642 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2643 u32 align = 4;
2644 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2645 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2646 ugeth->rx_bd_ring_offset[j] =
2647 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2648 if (ugeth->rx_bd_ring_offset[j] != 0)
2649 ugeth->p_rx_bd_ring[j] =
2650 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2651 align) & ~(align - 1));
2652 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2653 ugeth->rx_bd_ring_offset[j] =
2654 qe_muram_alloc(length,
2655 UCC_GETH_RX_BD_RING_ALIGNMENT);
2656 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2657 ugeth->p_rx_bd_ring[j] =
2658 (u8 __iomem *) qe_muram_addr(ugeth->
2659 rx_bd_ring_offset[j]);
2660 }
2661 if (!ugeth->p_rx_bd_ring[j]) {
2662 if (netif_msg_ifup(ugeth))
2663 ugeth_err
2664 ("%s: Can not allocate memory for Rx bd rings.",
2665 __func__);
2666 ucc_geth_memclean(ugeth);
2667 return -ENOMEM;
2668 }
2669 }
2670
2671 /* Init Tx bds */
2672 for (j = 0; j < ug_info->numQueuesTx; j++) {
2673 /* Setup the skbuff rings */
2674 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2675 ugeth->ug_info->bdRingLenTx[j],
2676 GFP_KERNEL);
2677
2678 if (ugeth->tx_skbuff[j] == NULL) {
2679 if (netif_msg_ifup(ugeth))
2680 ugeth_err("%s: Could not allocate tx_skbuff",
2681 __func__);
2682 ucc_geth_memclean(ugeth);
2683 return -ENOMEM;
2684 }
2685
2686 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2687 ugeth->tx_skbuff[j][i] = NULL;
2688
2689 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2690 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2691 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2692 /* clear bd buffer */
2693 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2694 /* set bd status and length */
2695 out_be32((u32 __iomem *)bd, 0);
2696 bd += sizeof(struct qe_bd);
2697 }
2698 bd -= sizeof(struct qe_bd);
2699 /* set bd status and length */
2700 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2701 }
2702
2703 /* Init Rx bds */
2704 for (j = 0; j < ug_info->numQueuesRx; j++) {
2705 /* Setup the skbuff rings */
2706 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2707 ugeth->ug_info->bdRingLenRx[j],
2708 GFP_KERNEL);
2709
2710 if (ugeth->rx_skbuff[j] == NULL) {
2711 if (netif_msg_ifup(ugeth))
2712 ugeth_err("%s: Could not allocate rx_skbuff",
2713 __func__);
2714 ucc_geth_memclean(ugeth);
2715 return -ENOMEM;
2716 }
2717
2718 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2719 ugeth->rx_skbuff[j][i] = NULL;
2720
2721 ugeth->skb_currx[j] = 0;
2722 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2723 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2724 /* set bd status and length */
2725 out_be32((u32 __iomem *)bd, R_I);
2726 /* clear bd buffer */
2727 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2728 bd += sizeof(struct qe_bd);
2729 }
2730 bd -= sizeof(struct qe_bd);
2731 /* set bd status and length */
2732 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2733 }
2734
2735 /*
2736 * Global PRAM
2737 */
2738 /* Tx global PRAM */
2739 /* Allocate global tx parameter RAM page */
2740 ugeth->tx_glbl_pram_offset =
2741 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2742 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2743 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2744 if (netif_msg_ifup(ugeth))
2745 ugeth_err
2746 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2747 __func__);
2748 ucc_geth_memclean(ugeth);
2749 return -ENOMEM;
2750 }
2751 ugeth->p_tx_glbl_pram =
2752 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2753 tx_glbl_pram_offset);
2754 /* Zero out p_tx_glbl_pram */
2755 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2756
2757 /* Fill global PRAM */
2758
2759 /* TQPTR */
2760 /* Size varies with number of Tx threads */
2761 ugeth->thread_dat_tx_offset =
2762 qe_muram_alloc(numThreadsTxNumerical *
2763 sizeof(struct ucc_geth_thread_data_tx) +
2764 32 * (numThreadsTxNumerical == 1),
2765 UCC_GETH_THREAD_DATA_ALIGNMENT);
2766 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2767 if (netif_msg_ifup(ugeth))
2768 ugeth_err
2769 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2770 __func__);
2771 ucc_geth_memclean(ugeth);
2772 return -ENOMEM;
2773 }
2774
2775 ugeth->p_thread_data_tx =
2776 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2777 thread_dat_tx_offset);
2778 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2779
2780 /* vtagtable */
2781 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2782 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2783 ug_info->vtagtable[i]);
2784
2785 /* iphoffset */
2786 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2787 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2788 ug_info->iphoffset[i]);
2789
2790 /* SQPTR */
2791 /* Size varies with number of Tx queues */
2792 ugeth->send_q_mem_reg_offset =
2793 qe_muram_alloc(ug_info->numQueuesTx *
2794 sizeof(struct ucc_geth_send_queue_qd),
2795 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2796 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2797 if (netif_msg_ifup(ugeth))
2798 ugeth_err
2799 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2800 __func__);
2801 ucc_geth_memclean(ugeth);
2802 return -ENOMEM;
2803 }
2804
2805 ugeth->p_send_q_mem_reg =
2806 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2807 send_q_mem_reg_offset);
2808 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2809
2810 /* Setup the table */
2811 /* Assume BD rings are already established */
2812 for (i = 0; i < ug_info->numQueuesTx; i++) {
2813 endOfRing =
2814 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2815 1) * sizeof(struct qe_bd);
2816 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2817 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2818 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2819 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2820 last_bd_completed_address,
2821 (u32) virt_to_phys(endOfRing));
2822 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2823 MEM_PART_MURAM) {
2824 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2825 (u32) immrbar_virt_to_phys(ugeth->
2826 p_tx_bd_ring[i]));
2827 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2828 last_bd_completed_address,
2829 (u32) immrbar_virt_to_phys(endOfRing));
2830 }
2831 }
2832
2833 /* schedulerbasepointer */
2834
2835 if (ug_info->numQueuesTx > 1) {
2836 /* scheduler exists only if more than 1 tx queue */
2837 ugeth->scheduler_offset =
2838 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2839 UCC_GETH_SCHEDULER_ALIGNMENT);
2840 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2841 if (netif_msg_ifup(ugeth))
2842 ugeth_err
2843 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2844 __func__);
2845 ucc_geth_memclean(ugeth);
2846 return -ENOMEM;
2847 }
2848
2849 ugeth->p_scheduler =
2850 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2851 scheduler_offset);
2852 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2853 ugeth->scheduler_offset);
2854 /* Zero out p_scheduler */
2855 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2856
2857 /* Set values in scheduler */
2858 out_be32(&ugeth->p_scheduler->mblinterval,
2859 ug_info->mblinterval);
2860 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2861 ug_info->nortsrbytetime);
2862 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2863 out_8(&ugeth->p_scheduler->strictpriorityq,
2864 ug_info->strictpriorityq);
2865 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2866 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2867 for (i = 0; i < NUM_TX_QUEUES; i++)
2868 out_8(&ugeth->p_scheduler->weightfactor[i],
2869 ug_info->weightfactor[i]);
2870
2871 /* Set pointers to cpucount registers in scheduler */
2872 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2873 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2874 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2875 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2876 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2877 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2878 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2879 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2880 }
2881
2882 /* schedulerbasepointer */
2883 /* TxRMON_PTR (statistics) */
2884 if (ug_info->
2885 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2886 ugeth->tx_fw_statistics_pram_offset =
2887 qe_muram_alloc(sizeof
2888 (struct ucc_geth_tx_firmware_statistics_pram),
2889 UCC_GETH_TX_STATISTICS_ALIGNMENT);
2890 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2891 if (netif_msg_ifup(ugeth))
2892 ugeth_err
2893 ("%s: Can not allocate DPRAM memory for"
2894 " p_tx_fw_statistics_pram.",
2895 __func__);
2896 ucc_geth_memclean(ugeth);
2897 return -ENOMEM;
2898 }
2899 ugeth->p_tx_fw_statistics_pram =
2900 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2901 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2902 /* Zero out p_tx_fw_statistics_pram */
2903 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2904 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2905 }
2906
2907 /* temoder */
2908 /* Already has speed set */
2909
2910 if (ug_info->numQueuesTx > 1)
2911 temoder |= TEMODER_SCHEDULER_ENABLE;
2912 if (ug_info->ipCheckSumGenerate)
2913 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2914 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2915 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2916
2917 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2918
2919 /* Function code register value to be used later */
2920 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2921 /* Required for QE */
2922
2923 /* function code register */
2924 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2925
2926 /* Rx global PRAM */
2927 /* Allocate global rx parameter RAM page */
2928 ugeth->rx_glbl_pram_offset =
2929 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2930 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2931 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2932 if (netif_msg_ifup(ugeth))
2933 ugeth_err
2934 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2935 __func__);
2936 ucc_geth_memclean(ugeth);
2937 return -ENOMEM;
2938 }
2939 ugeth->p_rx_glbl_pram =
2940 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2941 rx_glbl_pram_offset);
2942 /* Zero out p_rx_glbl_pram */
2943 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2944
2945 /* Fill global PRAM */
2946
2947 /* RQPTR */
2948 /* Size varies with number of Rx threads */
2949 ugeth->thread_dat_rx_offset =
2950 qe_muram_alloc(numThreadsRxNumerical *
2951 sizeof(struct ucc_geth_thread_data_rx),
2952 UCC_GETH_THREAD_DATA_ALIGNMENT);
2953 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2954 if (netif_msg_ifup(ugeth))
2955 ugeth_err
2956 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2957 __func__);
2958 ucc_geth_memclean(ugeth);
2959 return -ENOMEM;
2960 }
2961
2962 ugeth->p_thread_data_rx =
2963 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2964 thread_dat_rx_offset);
2965 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2966
2967 /* typeorlen */
2968 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2969
2970 /* rxrmonbaseptr (statistics) */
2971 if (ug_info->
2972 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2973 ugeth->rx_fw_statistics_pram_offset =
2974 qe_muram_alloc(sizeof
2975 (struct ucc_geth_rx_firmware_statistics_pram),
2976 UCC_GETH_RX_STATISTICS_ALIGNMENT);
2977 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2978 if (netif_msg_ifup(ugeth))
2979 ugeth_err
2980 ("%s: Can not allocate DPRAM memory for"
2981 " p_rx_fw_statistics_pram.", __func__);
2982 ucc_geth_memclean(ugeth);
2983 return -ENOMEM;
2984 }
2985 ugeth->p_rx_fw_statistics_pram =
2986 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2987 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2988 /* Zero out p_rx_fw_statistics_pram */
2989 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2990 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2991 }
2992
2993 /* intCoalescingPtr */
2994
2995 /* Size varies with number of Rx queues */
2996 ugeth->rx_irq_coalescing_tbl_offset =
2997 qe_muram_alloc(ug_info->numQueuesRx *
2998 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2999 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
3000 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
3001 if (netif_msg_ifup(ugeth))
3002 ugeth_err
3003 ("%s: Can not allocate DPRAM memory for"
3004 " p_rx_irq_coalescing_tbl.", __func__);
3005 ucc_geth_memclean(ugeth);
3006 return -ENOMEM;
3007 }
3008
3009 ugeth->p_rx_irq_coalescing_tbl =
3010 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
3011 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
3012 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
3013 ugeth->rx_irq_coalescing_tbl_offset);
3014
3015 /* Fill interrupt coalescing table */
3016 for (i = 0; i < ug_info->numQueuesRx; i++) {
3017 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3018 interruptcoalescingmaxvalue,
3019 ug_info->interruptcoalescingmaxvalue[i]);
3020 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3021 interruptcoalescingcounter,
3022 ug_info->interruptcoalescingmaxvalue[i]);
3023 }
3024
3025 /* MRBLR */
3026 init_max_rx_buff_len(uf_info->max_rx_buf_length,
3027 &ugeth->p_rx_glbl_pram->mrblr);
3028 /* MFLR */
3029 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
3030 /* MINFLR */
3031 init_min_frame_len(ug_info->minFrameLength,
3032 &ugeth->p_rx_glbl_pram->minflr,
3033 &ugeth->p_rx_glbl_pram->mrblr);
3034 /* MAXD1 */
3035 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
3036 /* MAXD2 */
3037 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
3038
3039 /* l2qt */
3040 l2qt = 0;
3041 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
3042 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
3043 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
3044
3045 /* l3qt */
3046 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
3047 l3qt = 0;
3048 for (i = 0; i < 8; i++)
3049 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3050 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3051 }
3052
3053 /* vlantype */
3054 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
3055
3056 /* vlantci */
3057 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
3058
3059 /* ecamptr */
3060 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
3061
3062 /* RBDQPTR */
3063 /* Size varies with number of Rx queues */
3064 ugeth->rx_bd_qs_tbl_offset =
3065 qe_muram_alloc(ug_info->numQueuesRx *
3066 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3067 sizeof(struct ucc_geth_rx_prefetched_bds)),
3068 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3069 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3070 if (netif_msg_ifup(ugeth))
3071 ugeth_err
3072 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3073 __func__);
3074 ucc_geth_memclean(ugeth);
3075 return -ENOMEM;
3076 }
3077
3078 ugeth->p_rx_bd_qs_tbl =
3079 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
3080 rx_bd_qs_tbl_offset);
3081 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
3082 /* Zero out p_rx_bd_qs_tbl */
3083 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
3084 0,
3085 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3086 sizeof(struct ucc_geth_rx_prefetched_bds)));
3087
3088 /* Setup the table */
3089 /* Assume BD rings are already established */
3090 for (i = 0; i < ug_info->numQueuesRx; i++) {
3091 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
3092 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3093 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
3094 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
3095 MEM_PART_MURAM) {
3096 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3097 (u32) immrbar_virt_to_phys(ugeth->
3098 p_rx_bd_ring[i]));
3099 }
3100 /* rest of fields handled by QE */
3101 }
3102
3103 /* remoder */
3104 /* Already has speed set */
3105
3106 if (ugeth->rx_extended_features)
3107 remoder |= REMODER_RX_EXTENDED_FEATURES;
3108 if (ug_info->rxExtendedFiltering)
3109 remoder |= REMODER_RX_EXTENDED_FILTERING;
3110 if (ug_info->dynamicMaxFrameLength)
3111 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
3112 if (ug_info->dynamicMinFrameLength)
3113 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
3114 remoder |=
3115 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
3116 remoder |=
3117 ug_info->
3118 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
3119 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
3120 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
3121 if (ug_info->ipCheckSumCheck)
3122 remoder |= REMODER_IP_CHECKSUM_CHECK;
3123 if (ug_info->ipAddressAlignment)
3124 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
3125 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
3126
3127 /* Note that this function must be called */
3128 /* ONLY AFTER p_tx_fw_statistics_pram */
3129 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
3130 init_firmware_statistics_gathering_mode((ug_info->
3131 statisticsMode &
3132 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
3133 (ug_info->statisticsMode &
3134 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
3135 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
3136 ugeth->tx_fw_statistics_pram_offset,
3137 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
3138 ugeth->rx_fw_statistics_pram_offset,
3139 &ugeth->p_tx_glbl_pram->temoder,
3140 &ugeth->p_rx_glbl_pram->remoder);
3141
3142 /* function code register */
3143 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
3144
3145 /* initialize extended filtering */
3146 if (ug_info->rxExtendedFiltering) {
3147 if (!ug_info->extendedFilteringChainPointer) {
3148 if (netif_msg_ifup(ugeth))
3149 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3150 __func__);
3151 ucc_geth_memclean(ugeth);
3152 return -EINVAL;
3153 }
3154
3155 /* Allocate memory for extended filtering Mode Global
3156 Parameters */
3157 ugeth->exf_glbl_param_offset =
3158 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3159 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3160 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3161 if (netif_msg_ifup(ugeth))
3162 ugeth_err
3163 ("%s: Can not allocate DPRAM memory for"
3164 " p_exf_glbl_param.", __func__);
3165 ucc_geth_memclean(ugeth);
3166 return -ENOMEM;
3167 }
3168
3169 ugeth->p_exf_glbl_param =
3170 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
3171 exf_glbl_param_offset);
3172 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
3173 ugeth->exf_glbl_param_offset);
3174 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
3175 (u32) ug_info->extendedFilteringChainPointer);
3176
3177 } else { /* initialize 82xx style address filtering */
3178
3179 /* Init individual address recognition registers to disabled */
3180
3181 for (j = 0; j < NUM_OF_PADDRS; j++)
3182 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
3183
3184 p_82xx_addr_filt =
3185 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
3186 p_rx_glbl_pram->addressfiltering;
3187
3188 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3189 ENET_ADDR_TYPE_GROUP);
3190 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3191 ENET_ADDR_TYPE_INDIVIDUAL);
3192 }
3193
3194 /*
3195 * Initialize UCC at QE level
3196 */
3197
3198 command = QE_INIT_TX_RX;
3199
3200 /* Allocate shadow InitEnet command parameter structure.
3201 * This is needed because after the InitEnet command is executed,
3202 * the structure in DPRAM is released, because DPRAM is a premium
3203 * resource.
3204 * This shadow structure keeps a copy of what was done so that the
3205 * allocated resources can be released when the channel is freed.
3206 */
3207 if (!(ugeth->p_init_enet_param_shadow =
3208 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3209 if (netif_msg_ifup(ugeth))
3210 ugeth_err
3211 ("%s: Can not allocate memory for"
3212 " p_UccInitEnetParamShadows.", __func__);
3213 ucc_geth_memclean(ugeth);
3214 return -ENOMEM;
3215 }
3216 /* Zero out *p_init_enet_param_shadow */
3217 memset((char *)ugeth->p_init_enet_param_shadow,
3218 0, sizeof(struct ucc_geth_init_pram));
3219
3220 /* Fill shadow InitEnet command parameter structure */
3221
3222 ugeth->p_init_enet_param_shadow->resinit1 =
3223 ENET_INIT_PARAM_MAGIC_RES_INIT1;
3224 ugeth->p_init_enet_param_shadow->resinit2 =
3225 ENET_INIT_PARAM_MAGIC_RES_INIT2;
3226 ugeth->p_init_enet_param_shadow->resinit3 =
3227 ENET_INIT_PARAM_MAGIC_RES_INIT3;
3228 ugeth->p_init_enet_param_shadow->resinit4 =
3229 ENET_INIT_PARAM_MAGIC_RES_INIT4;
3230 ugeth->p_init_enet_param_shadow->resinit5 =
3231 ENET_INIT_PARAM_MAGIC_RES_INIT5;
3232 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3233 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
3234 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3235 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
3236
3237 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3238 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3239 if ((ug_info->largestexternallookupkeysize !=
3240 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
3241 && (ug_info->largestexternallookupkeysize !=
3242 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3243 && (ug_info->largestexternallookupkeysize !=
3244 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3245 if (netif_msg_ifup(ugeth))
3246 ugeth_err("%s: Invalid largest External Lookup Key Size.",
3247 __func__);
3248 ucc_geth_memclean(ugeth);
3249 return -EINVAL;
3250 }
3251 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3252 ug_info->largestexternallookupkeysize;
3253 size = sizeof(struct ucc_geth_thread_rx_pram);
3254 if (ug_info->rxExtendedFiltering) {
3255 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3256 if (ug_info->largestexternallookupkeysize ==
3257 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3258 size +=
3259 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3260 if (ug_info->largestexternallookupkeysize ==
3261 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3262 size +=
3263 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3264 }
3265
3266 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3267 p_init_enet_param_shadow->rxthread[0]),
3268 (u8) (numThreadsRxNumerical + 1)
3269 /* Rx needs one extra for terminator */
3270 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3271 ug_info->riscRx, 1)) != 0) {
3272 if (netif_msg_ifup(ugeth))
3273 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3274 __func__);
3275 ucc_geth_memclean(ugeth);
3276 return ret_val;
3277 }
3278
3279 ugeth->p_init_enet_param_shadow->txglobal =
3280 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3281 if ((ret_val =
3282 fill_init_enet_entries(ugeth,
3283 &(ugeth->p_init_enet_param_shadow->
3284 txthread[0]), numThreadsTxNumerical,
3285 sizeof(struct ucc_geth_thread_tx_pram),
3286 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3287 ug_info->riscTx, 0)) != 0) {
3288 if (netif_msg_ifup(ugeth))
3289 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3290 __func__);
3291 ucc_geth_memclean(ugeth);
3292 return ret_val;
3293 }
3294
3295 /* Load Rx bds with buffers */
3296 for (i = 0; i < ug_info->numQueuesRx; i++) {
3297 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3298 if (netif_msg_ifup(ugeth))
3299 ugeth_err("%s: Can not fill Rx bds with buffers.",
3300 __func__);
3301 ucc_geth_memclean(ugeth);
3302 return ret_val;
3303 }
3304 }
3305
3306 /* Allocate InitEnet command parameter structure */
3307 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3308 if (IS_ERR_VALUE(init_enet_pram_offset)) {
3309 if (netif_msg_ifup(ugeth))
3310 ugeth_err
3311 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3312 __func__);
3313 ucc_geth_memclean(ugeth);
3314 return -ENOMEM;
3315 }
3316 p_init_enet_pram =
3317 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3318
3319 /* Copy shadow InitEnet command parameter structure into PRAM */
3320 out_8(&p_init_enet_pram->resinit1,
3321 ugeth->p_init_enet_param_shadow->resinit1);
3322 out_8(&p_init_enet_pram->resinit2,
3323 ugeth->p_init_enet_param_shadow->resinit2);
3324 out_8(&p_init_enet_pram->resinit3,
3325 ugeth->p_init_enet_param_shadow->resinit3);
3326 out_8(&p_init_enet_pram->resinit4,
3327 ugeth->p_init_enet_param_shadow->resinit4);
3328 out_be16(&p_init_enet_pram->resinit5,
3329 ugeth->p_init_enet_param_shadow->resinit5);
3330 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3331 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3332 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3333 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3334 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3335 out_be32(&p_init_enet_pram->rxthread[i],
3336 ugeth->p_init_enet_param_shadow->rxthread[i]);
3337 out_be32(&p_init_enet_pram->txglobal,
3338 ugeth->p_init_enet_param_shadow->txglobal);
3339 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3340 out_be32(&p_init_enet_pram->txthread[i],
3341 ugeth->p_init_enet_param_shadow->txthread[i]);
3342
3343 /* Issue QE command */
3344 cecr_subblock =
3345 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3346 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3347 init_enet_pram_offset);
3348
3349 /* Free InitEnet command parameter */
3350 qe_muram_free(init_enet_pram_offset);
3351
3352 return 0;
3353 }
3354
3355 /* ucc_geth_timeout gets called when a packet has not been
3356 * transmitted after a set amount of time.
3357 * For now, assume that clearing out all the structures, and
3358 * starting over will fix the problem. */
3359 static void ucc_geth_timeout(struct net_device *dev)
3360 {
3361 struct ucc_geth_private *ugeth = netdev_priv(dev);
3362
3363 ugeth_vdbg("%s: IN", __func__);
3364
3365 dev->stats.tx_errors++;
3366
3367 ugeth_dump_regs(ugeth);
3368
3369 if (dev->flags & IFF_UP) {
3370 ucc_geth_stop(ugeth);
3371 ucc_geth_startup(ugeth);
3372 }
3373
3374 netif_tx_schedule_all(dev);
3375 }
3376
3377 /* This is called by the kernel when a frame is ready for transmission. */
3378 /* It is pointed to by the dev->hard_start_xmit function pointer */
3379 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3380 {
3381 struct ucc_geth_private *ugeth = netdev_priv(dev);
3382 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3383 struct ucc_fast_private *uccf;
3384 #endif
3385 u8 __iomem *bd; /* BD pointer */
3386 u32 bd_status;
3387 u8 txQ = 0;
3388
3389 ugeth_vdbg("%s: IN", __func__);
3390
3391 spin_lock_irq(&ugeth->lock);
3392
3393 dev->stats.tx_bytes += skb->len;
3394
3395 /* Start from the next BD that should be filled */
3396 bd = ugeth->txBd[txQ];
3397 bd_status = in_be32((u32 __iomem *)bd);
3398 /* Save the skb pointer so we can free it later */
3399 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3400
3401 /* Update the current skb pointer (wrapping if this was the last) */
3402 ugeth->skb_curtx[txQ] =
3403 (ugeth->skb_curtx[txQ] +
3404 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3405
3406 /* set up the buffer descriptor */
3407 out_be32(&((struct qe_bd __iomem *)bd)->buf,
3408 dma_map_single(&ugeth->dev->dev, skb->data,
3409 skb->len, DMA_TO_DEVICE));
3410
3411 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3412
3413 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3414
3415 /* set bd status and length */
3416 out_be32((u32 __iomem *)bd, bd_status);
3417
3418 dev->trans_start = jiffies;
3419
3420 /* Move to next BD in the ring */
3421 if (!(bd_status & T_W))
3422 bd += sizeof(struct qe_bd);
3423 else
3424 bd = ugeth->p_tx_bd_ring[txQ];
3425
3426 /* If the next BD still needs to be cleaned up, then the bds
3427 are full. We need to tell the kernel to stop sending us stuff. */
3428 if (bd == ugeth->confBd[txQ]) {
3429 if (!netif_queue_stopped(dev))
3430 netif_stop_queue(dev);
3431 }
3432
3433 ugeth->txBd[txQ] = bd;
3434
3435 if (ugeth->p_scheduler) {
3436 ugeth->cpucount[txQ]++;
3437 /* Indicate to QE that there are more Tx bds ready for
3438 transmission */
3439 /* This is done by writing a running counter of the bd
3440 count to the scheduler PRAM. */
3441 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3442 }
3443
3444 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3445 uccf = ugeth->uccf;
3446 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3447 #endif
3448 spin_unlock_irq(&ugeth->lock);
3449
3450 return 0;
3451 }
3452
3453 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3454 {
3455 struct sk_buff *skb;
3456 u8 __iomem *bd;
3457 u16 length, howmany = 0;
3458 u32 bd_status;
3459 u8 *bdBuffer;
3460 struct net_device *dev;
3461
3462 ugeth_vdbg("%s: IN", __func__);
3463
3464 dev = ugeth->dev;
3465
3466 /* collect received buffers */
3467 bd = ugeth->rxBd[rxQ];
3468
3469 bd_status = in_be32((u32 __iomem *)bd);
3470
3471 /* while there are received buffers and BD is full (~R_E) */
3472 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3473 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3474 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3475 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3476
3477 /* determine whether buffer is first, last, first and last
3478 (single buffer frame) or middle (not first and not last) */
3479 if (!skb ||
3480 (!(bd_status & (R_F | R_L))) ||
3481 (bd_status & R_ERRORS_FATAL)) {
3482 if (netif_msg_rx_err(ugeth))
3483 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3484 __func__, __LINE__, (u32) skb);
3485 if (skb)
3486 dev_kfree_skb_any(skb);
3487
3488 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3489 dev->stats.rx_dropped++;
3490 } else {
3491 dev->stats.rx_packets++;
3492 howmany++;
3493
3494 /* Prep the skb for the packet */
3495 skb_put(skb, length);
3496
3497 /* Tell the skb what kind of packet this is */
3498 skb->protocol = eth_type_trans(skb, ugeth->dev);
3499
3500 dev->stats.rx_bytes += length;
3501 /* Send the packet up the stack */
3502 netif_receive_skb(skb);
3503 }
3504
3505 skb = get_new_skb(ugeth, bd);
3506 if (!skb) {
3507 if (netif_msg_rx_err(ugeth))
3508 ugeth_warn("%s: No Rx Data Buffer", __func__);
3509 dev->stats.rx_dropped++;
3510 break;
3511 }
3512
3513 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3514
3515 /* update to point at the next skb */
3516 ugeth->skb_currx[rxQ] =
3517 (ugeth->skb_currx[rxQ] +
3518 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3519
3520 if (bd_status & R_W)
3521 bd = ugeth->p_rx_bd_ring[rxQ];
3522 else
3523 bd += sizeof(struct qe_bd);
3524
3525 bd_status = in_be32((u32 __iomem *)bd);
3526 }
3527
3528 ugeth->rxBd[rxQ] = bd;
3529 return howmany;
3530 }
3531
3532 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3533 {
3534 /* Start from the next BD that should be filled */
3535 struct ucc_geth_private *ugeth = netdev_priv(dev);
3536 u8 __iomem *bd; /* BD pointer */
3537 u32 bd_status;
3538
3539 bd = ugeth->confBd[txQ];
3540 bd_status = in_be32((u32 __iomem *)bd);
3541
3542 /* Normal processing. */
3543 while ((bd_status & T_R) == 0) {
3544 /* BD contains already transmitted buffer. */
3545 /* Handle the transmitted buffer and release */
3546 /* the BD to be used with the current frame */
3547
3548 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3549 break;
3550
3551 dev->stats.tx_packets++;
3552
3553 /* Free the sk buffer associated with this TxBD */
3554 dev_kfree_skb_irq(ugeth->
3555 tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3556 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3557 ugeth->skb_dirtytx[txQ] =
3558 (ugeth->skb_dirtytx[txQ] +
3559 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3560
3561 /* We freed a buffer, so now we can restart transmission */
3562 if (netif_queue_stopped(dev))
3563 netif_wake_queue(dev);
3564
3565 /* Advance the confirmation BD pointer */
3566 if (!(bd_status & T_W))
3567 bd += sizeof(struct qe_bd);
3568 else
3569 bd = ugeth->p_tx_bd_ring[txQ];
3570 bd_status = in_be32((u32 __iomem *)bd);
3571 }
3572 ugeth->confBd[txQ] = bd;
3573 return 0;
3574 }
3575
3576 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3577 {
3578 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3579 struct net_device *dev = ugeth->dev;
3580 struct ucc_geth_info *ug_info;
3581 int howmany, i;
3582
3583 ug_info = ugeth->ug_info;
3584
3585 howmany = 0;
3586 for (i = 0; i < ug_info->numQueuesRx; i++)
3587 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3588
3589 if (howmany < budget) {
3590 struct ucc_fast_private *uccf;
3591 u32 uccm;
3592
3593 netif_rx_complete(dev, napi);
3594 uccf = ugeth->uccf;
3595 uccm = in_be32(uccf->p_uccm);
3596 uccm |= UCCE_RX_EVENTS;
3597 out_be32(uccf->p_uccm, uccm);
3598 }
3599
3600 return howmany;
3601 }
3602
3603 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3604 {
3605 struct net_device *dev = info;
3606 struct ucc_geth_private *ugeth = netdev_priv(dev);
3607 struct ucc_fast_private *uccf;
3608 struct ucc_geth_info *ug_info;
3609 register u32 ucce;
3610 register u32 uccm;
3611 register u32 tx_mask;
3612 u8 i;
3613
3614 ugeth_vdbg("%s: IN", __func__);
3615
3616 uccf = ugeth->uccf;
3617 ug_info = ugeth->ug_info;
3618
3619 /* read and clear events */
3620 ucce = (u32) in_be32(uccf->p_ucce);
3621 uccm = (u32) in_be32(uccf->p_uccm);
3622 ucce &= uccm;
3623 out_be32(uccf->p_ucce, ucce);
3624
3625 /* check for receive events that require processing */
3626 if (ucce & UCCE_RX_EVENTS) {
3627 if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
3628 uccm &= ~UCCE_RX_EVENTS;
3629 out_be32(uccf->p_uccm, uccm);
3630 __netif_rx_schedule(dev, &ugeth->napi);
3631 }
3632 }
3633
3634 /* Tx event processing */
3635 if (ucce & UCCE_TX_EVENTS) {
3636 spin_lock(&ugeth->lock);
3637 tx_mask = UCCE_TXBF_SINGLE_MASK;
3638 for (i = 0; i < ug_info->numQueuesTx; i++) {
3639 if (ucce & tx_mask)
3640 ucc_geth_tx(dev, i);
3641 ucce &= ~tx_mask;
3642 tx_mask <<= 1;
3643 }
3644 spin_unlock(&ugeth->lock);
3645 }
3646
3647 /* Errors and other events */
3648 if (ucce & UCCE_OTHER) {
3649 if (ucce & UCCE_BSY) {
3650 dev->stats.rx_errors++;
3651 }
3652 if (ucce & UCCE_TXE) {
3653 dev->stats.tx_errors++;
3654 }
3655 }
3656
3657 return IRQ_HANDLED;
3658 }
3659
3660 #ifdef CONFIG_NET_POLL_CONTROLLER
3661 /*
3662 * Polling 'interrupt' - used by things like netconsole to send skbs
3663 * without having to re-enable interrupts. It's not called while
3664 * the interrupt routine is executing.
3665 */
3666 static void ucc_netpoll(struct net_device *dev)
3667 {
3668 struct ucc_geth_private *ugeth = netdev_priv(dev);
3669 int irq = ugeth->ug_info->uf_info.irq;
3670
3671 disable_irq(irq);
3672 ucc_geth_irq_handler(irq, dev);
3673 enable_irq(irq);
3674 }
3675 #endif /* CONFIG_NET_POLL_CONTROLLER */
3676
3677 /* Called when something needs to use the ethernet device */
3678 /* Returns 0 for success. */
3679 static int ucc_geth_open(struct net_device *dev)
3680 {
3681 struct ucc_geth_private *ugeth = netdev_priv(dev);
3682 int err;
3683
3684 ugeth_vdbg("%s: IN", __func__);
3685
3686 /* Test station address */
3687 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3688 if (netif_msg_ifup(ugeth))
3689 ugeth_err("%s: Multicast address used for station address"
3690 " - is this what you wanted?", __func__);
3691 return -EINVAL;
3692 }
3693
3694 err = ucc_struct_init(ugeth);
3695 if (err) {
3696 if (netif_msg_ifup(ugeth))
3697 ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3698 return err;
3699 }
3700
3701 napi_enable(&ugeth->napi);
3702
3703 err = ucc_geth_startup(ugeth);
3704 if (err) {
3705 if (netif_msg_ifup(ugeth))
3706 ugeth_err("%s: Cannot configure net device, aborting.",
3707 dev->name);
3708 goto out_err;
3709 }
3710
3711 err = adjust_enet_interface(ugeth);
3712 if (err) {
3713 if (netif_msg_ifup(ugeth))
3714 ugeth_err("%s: Cannot configure net device, aborting.",
3715 dev->name);
3716 goto out_err;
3717 }
3718
3719 /* Set MACSTNADDR1, MACSTNADDR2 */
3720 /* For more details see the hardware spec. */
3721 init_mac_station_addr_regs(dev->dev_addr[0],
3722 dev->dev_addr[1],
3723 dev->dev_addr[2],
3724 dev->dev_addr[3],
3725 dev->dev_addr[4],
3726 dev->dev_addr[5],
3727 &ugeth->ug_regs->macstnaddr1,
3728 &ugeth->ug_regs->macstnaddr2);
3729
3730 err = init_phy(dev);
3731 if (err) {
3732 if (netif_msg_ifup(ugeth))
3733 ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3734 goto out_err;
3735 }
3736
3737 phy_start(ugeth->phydev);
3738
3739 err =
3740 request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0,
3741 "UCC Geth", dev);
3742 if (err) {
3743 if (netif_msg_ifup(ugeth))
3744 ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3745 dev->name);
3746 ucc_geth_stop(ugeth);
3747 goto out_err;
3748 }
3749
3750 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3751 if (err) {
3752 if (netif_msg_ifup(ugeth))
3753 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3754 ucc_geth_stop(ugeth);
3755 goto out_err;
3756 }
3757
3758 netif_start_queue(dev);
3759
3760 return err;
3761
3762 out_err:
3763 napi_disable(&ugeth->napi);
3764
3765 return err;
3766 }
3767
3768 /* Stops the kernel queue, and halts the controller */
3769 static int ucc_geth_close(struct net_device *dev)
3770 {
3771 struct ucc_geth_private *ugeth = netdev_priv(dev);
3772
3773 ugeth_vdbg("%s: IN", __func__);
3774
3775 napi_disable(&ugeth->napi);
3776
3777 ucc_geth_stop(ugeth);
3778
3779 phy_disconnect(ugeth->phydev);
3780 ugeth->phydev = NULL;
3781
3782 netif_stop_queue(dev);
3783
3784 return 0;
3785 }
3786
3787 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3788 {
3789 if (strcasecmp(phy_connection_type, "mii") == 0)
3790 return PHY_INTERFACE_MODE_MII;
3791 if (strcasecmp(phy_connection_type, "gmii") == 0)
3792 return PHY_INTERFACE_MODE_GMII;
3793 if (strcasecmp(phy_connection_type, "tbi") == 0)
3794 return PHY_INTERFACE_MODE_TBI;
3795 if (strcasecmp(phy_connection_type, "rmii") == 0)
3796 return PHY_INTERFACE_MODE_RMII;
3797 if (strcasecmp(phy_connection_type, "rgmii") == 0)
3798 return PHY_INTERFACE_MODE_RGMII;
3799 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3800 return PHY_INTERFACE_MODE_RGMII_ID;
3801 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3802 return PHY_INTERFACE_MODE_RGMII_TXID;
3803 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3804 return PHY_INTERFACE_MODE_RGMII_RXID;
3805 if (strcasecmp(phy_connection_type, "rtbi") == 0)
3806 return PHY_INTERFACE_MODE_RTBI;
3807
3808 return PHY_INTERFACE_MODE_MII;
3809 }
3810
3811 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3812 {
3813 struct device *device = &ofdev->dev;
3814 struct device_node *np = ofdev->node;
3815 struct device_node *mdio;
3816 struct net_device *dev = NULL;
3817 struct ucc_geth_private *ugeth = NULL;
3818 struct ucc_geth_info *ug_info;
3819 struct resource res;
3820 struct device_node *phy;
3821 int err, ucc_num, max_speed = 0;
3822 const phandle *ph;
3823 const u32 *fixed_link;
3824 const unsigned int *prop;
3825 const char *sprop;
3826 const void *mac_addr;
3827 phy_interface_t phy_interface;
3828 static const int enet_to_speed[] = {
3829 SPEED_10, SPEED_10, SPEED_10,
3830 SPEED_100, SPEED_100, SPEED_100,
3831 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3832 };
3833 static const phy_interface_t enet_to_phy_interface[] = {
3834 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3835 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3836 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3837 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3838 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3839 };
3840
3841 ugeth_vdbg("%s: IN", __func__);
3842
3843 prop = of_get_property(np, "cell-index", NULL);
3844 if (!prop) {
3845 prop = of_get_property(np, "device-id", NULL);
3846 if (!prop)
3847 return -ENODEV;
3848 }
3849
3850 ucc_num = *prop - 1;
3851 if ((ucc_num < 0) || (ucc_num > 7))
3852 return -ENODEV;
3853
3854 ug_info = &ugeth_info[ucc_num];
3855 if (ug_info == NULL) {
3856 if (netif_msg_probe(&debug))
3857 ugeth_err("%s: [%d] Missing additional data!",
3858 __func__, ucc_num);
3859 return -ENODEV;
3860 }
3861
3862 ug_info->uf_info.ucc_num = ucc_num;
3863
3864 sprop = of_get_property(np, "rx-clock-name", NULL);
3865 if (sprop) {
3866 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3867 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3868 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3869 printk(KERN_ERR
3870 "ucc_geth: invalid rx-clock-name property\n");
3871 return -EINVAL;
3872 }
3873 } else {
3874 prop = of_get_property(np, "rx-clock", NULL);
3875 if (!prop) {
3876 /* If both rx-clock-name and rx-clock are missing,
3877 we want to tell people to use rx-clock-name. */
3878 printk(KERN_ERR
3879 "ucc_geth: missing rx-clock-name property\n");
3880 return -EINVAL;
3881 }
3882 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3883 printk(KERN_ERR
3884 "ucc_geth: invalid rx-clock propperty\n");
3885 return -EINVAL;
3886 }
3887 ug_info->uf_info.rx_clock = *prop;
3888 }
3889
3890 sprop = of_get_property(np, "tx-clock-name", NULL);
3891 if (sprop) {
3892 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3893 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3894 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3895 printk(KERN_ERR
3896 "ucc_geth: invalid tx-clock-name property\n");
3897 return -EINVAL;
3898 }
3899 } else {
3900 prop = of_get_property(np, "tx-clock", NULL);
3901 if (!prop) {
3902 printk(KERN_ERR
3903 "ucc_geth: mising tx-clock-name property\n");
3904 return -EINVAL;
3905 }
3906 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3907 printk(KERN_ERR
3908 "ucc_geth: invalid tx-clock property\n");
3909 return -EINVAL;
3910 }
3911 ug_info->uf_info.tx_clock = *prop;
3912 }
3913
3914 err = of_address_to_resource(np, 0, &res);
3915 if (err)
3916 return -EINVAL;
3917
3918 ug_info->uf_info.regs = res.start;
3919 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3920 fixed_link = of_get_property(np, "fixed-link", NULL);
3921 if (fixed_link) {
3922 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3923 ug_info->phy_address = fixed_link[0];
3924 phy = NULL;
3925 } else {
3926 ph = of_get_property(np, "phy-handle", NULL);
3927 phy = of_find_node_by_phandle(*ph);
3928
3929 if (phy == NULL)
3930 return -ENODEV;
3931
3932 /* set the PHY address */
3933 prop = of_get_property(phy, "reg", NULL);
3934 if (prop == NULL)
3935 return -1;
3936 ug_info->phy_address = *prop;
3937
3938 /* Set the bus id */
3939 mdio = of_get_parent(phy);
3940
3941 if (mdio == NULL)
3942 return -1;
3943
3944 err = of_address_to_resource(mdio, 0, &res);
3945 of_node_put(mdio);
3946
3947 if (err)
3948 return -1;
3949
3950 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3951 }
3952
3953 /* get the phy interface type, or default to MII */
3954 prop = of_get_property(np, "phy-connection-type", NULL);
3955 if (!prop) {
3956 /* handle interface property present in old trees */
3957 prop = of_get_property(phy, "interface", NULL);
3958 if (prop != NULL) {
3959 phy_interface = enet_to_phy_interface[*prop];
3960 max_speed = enet_to_speed[*prop];
3961 } else
3962 phy_interface = PHY_INTERFACE_MODE_MII;
3963 } else {
3964 phy_interface = to_phy_interface((const char *)prop);
3965 }
3966
3967 /* get speed, or derive from PHY interface */
3968 if (max_speed == 0)
3969 switch (phy_interface) {
3970 case PHY_INTERFACE_MODE_GMII:
3971 case PHY_INTERFACE_MODE_RGMII:
3972 case PHY_INTERFACE_MODE_RGMII_ID:
3973 case PHY_INTERFACE_MODE_RGMII_RXID:
3974 case PHY_INTERFACE_MODE_RGMII_TXID:
3975 case PHY_INTERFACE_MODE_TBI:
3976 case PHY_INTERFACE_MODE_RTBI:
3977 max_speed = SPEED_1000;
3978 break;
3979 default:
3980 max_speed = SPEED_100;
3981 break;
3982 }
3983
3984 if (max_speed == SPEED_1000) {
3985 /* configure muram FIFOs for gigabit operation */
3986 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3987 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3988 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3989 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3990 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3991 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3992 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3993 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3994 }
3995
3996 if (netif_msg_probe(&debug))
3997 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3998 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3999 ug_info->uf_info.irq);
4000
4001 /* Create an ethernet device instance */
4002 dev = alloc_etherdev(sizeof(*ugeth));
4003
4004 if (dev == NULL)
4005 return -ENOMEM;
4006
4007 ugeth = netdev_priv(dev);
4008 spin_lock_init(&ugeth->lock);
4009
4010 /* Create CQs for hash tables */
4011 INIT_LIST_HEAD(&ugeth->group_hash_q);
4012 INIT_LIST_HEAD(&ugeth->ind_hash_q);
4013
4014 dev_set_drvdata(device, dev);
4015
4016 /* Set the dev->base_addr to the gfar reg region */
4017 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
4018
4019 SET_NETDEV_DEV(dev, device);
4020
4021 /* Fill in the dev structure */
4022 uec_set_ethtool_ops(dev);
4023 dev->open = ucc_geth_open;
4024 dev->hard_start_xmit = ucc_geth_start_xmit;
4025 dev->tx_timeout = ucc_geth_timeout;
4026 dev->watchdog_timeo = TX_TIMEOUT;
4027 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
4028 #ifdef CONFIG_NET_POLL_CONTROLLER
4029 dev->poll_controller = ucc_netpoll;
4030 #endif
4031 dev->stop = ucc_geth_close;
4032 // dev->change_mtu = ucc_geth_change_mtu;
4033 dev->mtu = 1500;
4034 dev->set_multicast_list = ucc_geth_set_multi;
4035
4036 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
4037 ugeth->phy_interface = phy_interface;
4038 ugeth->max_speed = max_speed;
4039
4040 err = register_netdev(dev);
4041 if (err) {
4042 if (netif_msg_probe(ugeth))
4043 ugeth_err("%s: Cannot register net device, aborting.",
4044 dev->name);
4045 free_netdev(dev);
4046 return err;
4047 }
4048
4049 mac_addr = of_get_mac_address(np);
4050 if (mac_addr)
4051 memcpy(dev->dev_addr, mac_addr, 6);
4052
4053 ugeth->ug_info = ug_info;
4054 ugeth->dev = dev;
4055
4056 return 0;
4057 }
4058
4059 static int ucc_geth_remove(struct of_device* ofdev)
4060 {
4061 struct device *device = &ofdev->dev;
4062 struct net_device *dev = dev_get_drvdata(device);
4063 struct ucc_geth_private *ugeth = netdev_priv(dev);
4064
4065 unregister_netdev(dev);
4066 free_netdev(dev);
4067 ucc_geth_memclean(ugeth);
4068 dev_set_drvdata(device, NULL);
4069
4070 return 0;
4071 }
4072
4073 static struct of_device_id ucc_geth_match[] = {
4074 {
4075 .type = "network",
4076 .compatible = "ucc_geth",
4077 },
4078 {},
4079 };
4080
4081 MODULE_DEVICE_TABLE(of, ucc_geth_match);
4082
4083 static struct of_platform_driver ucc_geth_driver = {
4084 .name = DRV_NAME,
4085 .match_table = ucc_geth_match,
4086 .probe = ucc_geth_probe,
4087 .remove = ucc_geth_remove,
4088 };
4089
4090 static int __init ucc_geth_init(void)
4091 {
4092 int i, ret;
4093
4094 ret = uec_mdio_init();
4095
4096 if (ret)
4097 return ret;
4098
4099 if (netif_msg_drv(&debug))
4100 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4101 for (i = 0; i < 8; i++)
4102 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4103 sizeof(ugeth_primary_info));
4104
4105 ret = of_register_platform_driver(&ucc_geth_driver);
4106
4107 if (ret)
4108 uec_mdio_exit();
4109
4110 return ret;
4111 }
4112
4113 static void __exit ucc_geth_exit(void)
4114 {
4115 of_unregister_platform_driver(&ucc_geth_driver);
4116 uec_mdio_exit();
4117 }
4118
4119 module_init(ucc_geth_init);
4120 module_exit(ucc_geth_exit);
4121
4122 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4123 MODULE_DESCRIPTION(DRV_DESC);
4124 MODULE_VERSION(DRV_VERSION);
4125 MODULE_LICENSE("GPL");
Linux with added FPC-III support