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ucc_geth: Cleanup repetitive ucc_geth_memclean() calls
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / ucc_geth.c
blob052ad71365de4745e5ce8ccdc800b6009c098c5c
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 int i = 10;
1651
1652 uccf = ugeth->uccf;
1653
1654 /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1655 temp = in_be32(uccf->p_uccm);
1656 temp &= ~UCCE_GRA;
1657 out_be32(uccf->p_uccm, temp);
1658 out_be32(uccf->p_ucce, UCCE_GRA); /* clear by writing 1 */
1659
1660 /* Issue host command */
1661 cecr_subblock =
1662 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1663 qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1664 QE_CR_PROTOCOL_ETHERNET, 0);
1665
1666 /* Wait for command to complete */
1667 do {
1668 msleep(10);
1669 temp = in_be32(uccf->p_ucce);
1670 } while (!(temp & UCCE_GRA) && --i);
1671
1672 uccf->stopped_tx = 1;
1673
1674 return 0;
1675 }
1676
1677 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1678 {
1679 struct ucc_fast_private *uccf;
1680 u32 cecr_subblock;
1681 u8 temp;
1682 int i = 10;
1683
1684 uccf = ugeth->uccf;
1685
1686 /* Clear acknowledge bit */
1687 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1688 temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1689 out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1690
1691 /* Keep issuing command and checking acknowledge bit until
1692 it is asserted, according to spec */
1693 do {
1694 /* Issue host command */
1695 cecr_subblock =
1696 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1697 ucc_num);
1698 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1699 QE_CR_PROTOCOL_ETHERNET, 0);
1700 msleep(10);
1701 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1702 } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1703
1704 uccf->stopped_rx = 1;
1705
1706 return 0;
1707 }
1708
1709 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1710 {
1711 struct ucc_fast_private *uccf;
1712 u32 cecr_subblock;
1713
1714 uccf = ugeth->uccf;
1715
1716 cecr_subblock =
1717 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1718 qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1719 uccf->stopped_tx = 0;
1720
1721 return 0;
1722 }
1723
1724 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1725 {
1726 struct ucc_fast_private *uccf;
1727 u32 cecr_subblock;
1728
1729 uccf = ugeth->uccf;
1730
1731 cecr_subblock =
1732 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1733 qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1734 0);
1735 uccf->stopped_rx = 0;
1736
1737 return 0;
1738 }
1739
1740 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1741 {
1742 struct ucc_fast_private *uccf;
1743 int enabled_tx, enabled_rx;
1744
1745 uccf = ugeth->uccf;
1746
1747 /* check if the UCC number is in range. */
1748 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1749 if (netif_msg_probe(ugeth))
1750 ugeth_err("%s: ucc_num out of range.", __func__);
1751 return -EINVAL;
1752 }
1753
1754 enabled_tx = uccf->enabled_tx;
1755 enabled_rx = uccf->enabled_rx;
1756
1757 /* Get Tx and Rx going again, in case this channel was actively
1758 disabled. */
1759 if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1760 ugeth_restart_tx(ugeth);
1761 if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1762 ugeth_restart_rx(ugeth);
1763
1764 ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
1765
1766 return 0;
1767
1768 }
1769
1770 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1771 {
1772 struct ucc_fast_private *uccf;
1773
1774 uccf = ugeth->uccf;
1775
1776 /* check if the UCC number is in range. */
1777 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1778 if (netif_msg_probe(ugeth))
1779 ugeth_err("%s: ucc_num out of range.", __func__);
1780 return -EINVAL;
1781 }
1782
1783 /* Stop any transmissions */
1784 if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1785 ugeth_graceful_stop_tx(ugeth);
1786
1787 /* Stop any receptions */
1788 if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1789 ugeth_graceful_stop_rx(ugeth);
1790
1791 ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1792
1793 return 0;
1794 }
1795
1796 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1797 {
1798 #ifdef DEBUG
1799 ucc_fast_dump_regs(ugeth->uccf);
1800 dump_regs(ugeth);
1801 dump_bds(ugeth);
1802 #endif
1803 }
1804
1805 #ifdef CONFIG_UGETH_FILTERING
1806 static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1807 p_UccGethTadParams,
1808 struct qe_fltr_tad *qe_fltr_tad)
1809 {
1810 u16 temp;
1811
1812 /* Zero serialized TAD */
1813 memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
1814
1815 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V; /* Must have this */
1816 if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
1817 (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
1818 || (p_UccGethTadParams->vnontag_op !=
1819 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
1820 )
1821 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
1822 if (p_UccGethTadParams->reject_frame)
1823 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
1824 temp =
1825 (u16) (((u16) p_UccGethTadParams->
1826 vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
1827 qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
1828
1829 qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff); /* lower bits */
1830 if (p_UccGethTadParams->vnontag_op ==
1831 UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
1832 qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
1833 qe_fltr_tad->serialized[1] |=
1834 p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
1835
1836 qe_fltr_tad->serialized[2] |=
1837 p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
1838 /* upper bits */
1839 qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
1840 /* lower bits */
1841 qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
1842
1843 return 0;
1844 }
1845
1846 static struct enet_addr_container_t
1847 *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
1848 struct enet_addr *p_enet_addr)
1849 {
1850 struct enet_addr_container *enet_addr_cont;
1851 struct list_head *p_lh;
1852 u16 i, num;
1853 int32_t j;
1854 u8 *p_counter;
1855
1856 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1857 p_lh = &ugeth->group_hash_q;
1858 p_counter = &(ugeth->numGroupAddrInHash);
1859 } else {
1860 p_lh = &ugeth->ind_hash_q;
1861 p_counter = &(ugeth->numIndAddrInHash);
1862 }
1863
1864 if (!p_lh)
1865 return NULL;
1866
1867 num = *p_counter;
1868
1869 for (i = 0; i < num; i++) {
1870 enet_addr_cont =
1871 (struct enet_addr_container *)
1872 ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1873 for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
1874 if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
1875 break;
1876 if (j == 0)
1877 return enet_addr_cont; /* Found */
1878 }
1879 enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
1880 }
1881 return NULL;
1882 }
1883
1884 static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
1885 struct enet_addr *p_enet_addr)
1886 {
1887 enum ucc_geth_enet_address_recognition_location location;
1888 struct enet_addr_container *enet_addr_cont;
1889 struct list_head *p_lh;
1890 u8 i;
1891 u32 limit;
1892 u8 *p_counter;
1893
1894 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1895 p_lh = &ugeth->group_hash_q;
1896 limit = ugeth->ug_info->maxGroupAddrInHash;
1897 location =
1898 UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
1899 p_counter = &(ugeth->numGroupAddrInHash);
1900 } else {
1901 p_lh = &ugeth->ind_hash_q;
1902 limit = ugeth->ug_info->maxIndAddrInHash;
1903 location =
1904 UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
1905 p_counter = &(ugeth->numIndAddrInHash);
1906 }
1907
1908 if ((enet_addr_cont =
1909 ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
1910 list_add(p_lh, &enet_addr_cont->node); /* Put it back */
1911 return 0;
1912 }
1913 if ((!p_lh) || (!(*p_counter < limit)))
1914 return -EBUSY;
1915 if (!(enet_addr_cont = get_enet_addr_container()))
1916 return -ENOMEM;
1917 for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
1918 (enet_addr_cont->address)[i] = (*p_enet_addr)[i];
1919 enet_addr_cont->location = location;
1920 enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
1921 ++(*p_counter);
1922
1923 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1924 return 0;
1925 }
1926
1927 static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
1928 struct enet_addr *p_enet_addr)
1929 {
1930 struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1931 struct enet_addr_container *enet_addr_cont;
1932 struct ucc_fast_private *uccf;
1933 enum comm_dir comm_dir;
1934 u16 i, num;
1935 struct list_head *p_lh;
1936 u32 *addr_h, *addr_l;
1937 u8 *p_counter;
1938
1939 uccf = ugeth->uccf;
1940
1941 p_82xx_addr_filt =
1942 (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1943 addressfiltering;
1944
1945 if (!
1946 (enet_addr_cont =
1947 ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
1948 return -ENOENT;
1949
1950 /* It's been found and removed from the CQ. */
1951 /* Now destroy its container */
1952 put_enet_addr_container(enet_addr_cont);
1953
1954 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1955 addr_h = &(p_82xx_addr_filt->gaddr_h);
1956 addr_l = &(p_82xx_addr_filt->gaddr_l);
1957 p_lh = &ugeth->group_hash_q;
1958 p_counter = &(ugeth->numGroupAddrInHash);
1959 } else {
1960 addr_h = &(p_82xx_addr_filt->iaddr_h);
1961 addr_l = &(p_82xx_addr_filt->iaddr_l);
1962 p_lh = &ugeth->ind_hash_q;
1963 p_counter = &(ugeth->numIndAddrInHash);
1964 }
1965
1966 comm_dir = 0;
1967 if (uccf->enabled_tx)
1968 comm_dir |= COMM_DIR_TX;
1969 if (uccf->enabled_rx)
1970 comm_dir |= COMM_DIR_RX;
1971 if (comm_dir)
1972 ugeth_disable(ugeth, comm_dir);
1973
1974 /* Clear the hash table. */
1975 out_be32(addr_h, 0x00000000);
1976 out_be32(addr_l, 0x00000000);
1977
1978 /* Add all remaining CQ elements back into hash */
1979 num = --(*p_counter);
1980 for (i = 0; i < num; i++) {
1981 enet_addr_cont =
1982 (struct enet_addr_container *)
1983 ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1984 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1985 enqueue(p_lh, &enet_addr_cont->node); /* Put it back */
1986 }
1987
1988 if (comm_dir)
1989 ugeth_enable(ugeth, comm_dir);
1990
1991 return 0;
1992 }
1993 #endif /* CONFIG_UGETH_FILTERING */
1994
1995 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1996 ugeth,
1997 enum enet_addr_type
1998 enet_addr_type)
1999 {
2000 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2001 struct ucc_fast_private *uccf;
2002 enum comm_dir comm_dir;
2003 struct list_head *p_lh;
2004 u16 i, num;
2005 u32 __iomem *addr_h;
2006 u32 __iomem *addr_l;
2007 u8 *p_counter;
2008
2009 uccf = ugeth->uccf;
2010
2011 p_82xx_addr_filt =
2012 (struct ucc_geth_82xx_address_filtering_pram __iomem *)
2013 ugeth->p_rx_glbl_pram->addressfiltering;
2014
2015 if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
2016 addr_h = &(p_82xx_addr_filt->gaddr_h);
2017 addr_l = &(p_82xx_addr_filt->gaddr_l);
2018 p_lh = &ugeth->group_hash_q;
2019 p_counter = &(ugeth->numGroupAddrInHash);
2020 } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
2021 addr_h = &(p_82xx_addr_filt->iaddr_h);
2022 addr_l = &(p_82xx_addr_filt->iaddr_l);
2023 p_lh = &ugeth->ind_hash_q;
2024 p_counter = &(ugeth->numIndAddrInHash);
2025 } else
2026 return -EINVAL;
2027
2028 comm_dir = 0;
2029 if (uccf->enabled_tx)
2030 comm_dir |= COMM_DIR_TX;
2031 if (uccf->enabled_rx)
2032 comm_dir |= COMM_DIR_RX;
2033 if (comm_dir)
2034 ugeth_disable(ugeth, comm_dir);
2035
2036 /* Clear the hash table. */
2037 out_be32(addr_h, 0x00000000);
2038 out_be32(addr_l, 0x00000000);
2039
2040 if (!p_lh)
2041 return 0;
2042
2043 num = *p_counter;
2044
2045 /* Delete all remaining CQ elements */
2046 for (i = 0; i < num; i++)
2047 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
2048
2049 *p_counter = 0;
2050
2051 if (comm_dir)
2052 ugeth_enable(ugeth, comm_dir);
2053
2054 return 0;
2055 }
2056
2057 #ifdef CONFIG_UGETH_FILTERING
2058 static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
2059 struct enet_addr *p_enet_addr,
2060 u8 paddr_num)
2061 {
2062 int i;
2063
2064 if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
2065 ugeth_warn
2066 ("%s: multicast address added to paddr will have no "
2067 "effect - is this what you wanted?",
2068 __func__);
2069
2070 ugeth->indAddrRegUsed[paddr_num] = 1; /* mark this paddr as used */
2071 /* store address in our database */
2072 for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
2073 ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
2074 /* put in hardware */
2075 return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
2076 }
2077 #endif /* CONFIG_UGETH_FILTERING */
2078
2079 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2080 u8 paddr_num)
2081 {
2082 ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
2083 return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
2084 }
2085
2086 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2087 {
2088 u16 i, j;
2089 u8 __iomem *bd;
2090
2091 if (!ugeth)
2092 return;
2093
2094 if (ugeth->uccf) {
2095 ucc_fast_free(ugeth->uccf);
2096 ugeth->uccf = NULL;
2097 }
2098
2099 if (ugeth->p_thread_data_tx) {
2100 qe_muram_free(ugeth->thread_dat_tx_offset);
2101 ugeth->p_thread_data_tx = NULL;
2102 }
2103 if (ugeth->p_thread_data_rx) {
2104 qe_muram_free(ugeth->thread_dat_rx_offset);
2105 ugeth->p_thread_data_rx = NULL;
2106 }
2107 if (ugeth->p_exf_glbl_param) {
2108 qe_muram_free(ugeth->exf_glbl_param_offset);
2109 ugeth->p_exf_glbl_param = NULL;
2110 }
2111 if (ugeth->p_rx_glbl_pram) {
2112 qe_muram_free(ugeth->rx_glbl_pram_offset);
2113 ugeth->p_rx_glbl_pram = NULL;
2114 }
2115 if (ugeth->p_tx_glbl_pram) {
2116 qe_muram_free(ugeth->tx_glbl_pram_offset);
2117 ugeth->p_tx_glbl_pram = NULL;
2118 }
2119 if (ugeth->p_send_q_mem_reg) {
2120 qe_muram_free(ugeth->send_q_mem_reg_offset);
2121 ugeth->p_send_q_mem_reg = NULL;
2122 }
2123 if (ugeth->p_scheduler) {
2124 qe_muram_free(ugeth->scheduler_offset);
2125 ugeth->p_scheduler = NULL;
2126 }
2127 if (ugeth->p_tx_fw_statistics_pram) {
2128 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
2129 ugeth->p_tx_fw_statistics_pram = NULL;
2130 }
2131 if (ugeth->p_rx_fw_statistics_pram) {
2132 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
2133 ugeth->p_rx_fw_statistics_pram = NULL;
2134 }
2135 if (ugeth->p_rx_irq_coalescing_tbl) {
2136 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
2137 ugeth->p_rx_irq_coalescing_tbl = NULL;
2138 }
2139 if (ugeth->p_rx_bd_qs_tbl) {
2140 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
2141 ugeth->p_rx_bd_qs_tbl = NULL;
2142 }
2143 if (ugeth->p_init_enet_param_shadow) {
2144 return_init_enet_entries(ugeth,
2145 &(ugeth->p_init_enet_param_shadow->
2146 rxthread[0]),
2147 ENET_INIT_PARAM_MAX_ENTRIES_RX,
2148 ugeth->ug_info->riscRx, 1);
2149 return_init_enet_entries(ugeth,
2150 &(ugeth->p_init_enet_param_shadow->
2151 txthread[0]),
2152 ENET_INIT_PARAM_MAX_ENTRIES_TX,
2153 ugeth->ug_info->riscTx, 0);
2154 kfree(ugeth->p_init_enet_param_shadow);
2155 ugeth->p_init_enet_param_shadow = NULL;
2156 }
2157 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
2158 bd = ugeth->p_tx_bd_ring[i];
2159 if (!bd)
2160 continue;
2161 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
2162 if (ugeth->tx_skbuff[i][j]) {
2163 dma_unmap_single(&ugeth->dev->dev,
2164 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2165 (in_be32((u32 __iomem *)bd) &
2166 BD_LENGTH_MASK),
2167 DMA_TO_DEVICE);
2168 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
2169 ugeth->tx_skbuff[i][j] = NULL;
2170 }
2171 }
2172
2173 kfree(ugeth->tx_skbuff[i]);
2174
2175 if (ugeth->p_tx_bd_ring[i]) {
2176 if (ugeth->ug_info->uf_info.bd_mem_part ==
2177 MEM_PART_SYSTEM)
2178 kfree((void *)ugeth->tx_bd_ring_offset[i]);
2179 else if (ugeth->ug_info->uf_info.bd_mem_part ==
2180 MEM_PART_MURAM)
2181 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
2182 ugeth->p_tx_bd_ring[i] = NULL;
2183 }
2184 }
2185 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
2186 if (ugeth->p_rx_bd_ring[i]) {
2187 /* Return existing data buffers in ring */
2188 bd = ugeth->p_rx_bd_ring[i];
2189 for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
2190 if (ugeth->rx_skbuff[i][j]) {
2191 dma_unmap_single(&ugeth->dev->dev,
2192 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2193 ugeth->ug_info->
2194 uf_info.max_rx_buf_length +
2195 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
2196 DMA_FROM_DEVICE);
2197 dev_kfree_skb_any(
2198 ugeth->rx_skbuff[i][j]);
2199 ugeth->rx_skbuff[i][j] = NULL;
2200 }
2201 bd += sizeof(struct qe_bd);
2202 }
2203
2204 kfree(ugeth->rx_skbuff[i]);
2205
2206 if (ugeth->ug_info->uf_info.bd_mem_part ==
2207 MEM_PART_SYSTEM)
2208 kfree((void *)ugeth->rx_bd_ring_offset[i]);
2209 else if (ugeth->ug_info->uf_info.bd_mem_part ==
2210 MEM_PART_MURAM)
2211 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
2212 ugeth->p_rx_bd_ring[i] = NULL;
2213 }
2214 }
2215 while (!list_empty(&ugeth->group_hash_q))
2216 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2217 (dequeue(&ugeth->group_hash_q)));
2218 while (!list_empty(&ugeth->ind_hash_q))
2219 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2220 (dequeue(&ugeth->ind_hash_q)));
2221
2222 }
2223
2224 static void ucc_geth_set_multi(struct net_device *dev)
2225 {
2226 struct ucc_geth_private *ugeth;
2227 struct dev_mc_list *dmi;
2228 struct ucc_fast __iomem *uf_regs;
2229 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2230 int i;
2231
2232 ugeth = netdev_priv(dev);
2233
2234 uf_regs = ugeth->uccf->uf_regs;
2235
2236 if (dev->flags & IFF_PROMISC) {
2237
2238 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr) | UPSMR_PRO);
2239
2240 } else {
2241
2242 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr)&~UPSMR_PRO);
2243
2244 p_82xx_addr_filt =
2245 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2246 p_rx_glbl_pram->addressfiltering;
2247
2248 if (dev->flags & IFF_ALLMULTI) {
2249 /* Catch all multicast addresses, so set the
2250 * filter to all 1's.
2251 */
2252 out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2253 out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2254 } else {
2255 /* Clear filter and add the addresses in the list.
2256 */
2257 out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2258 out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2259
2260 dmi = dev->mc_list;
2261
2262 for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
2263
2264 /* Only support group multicast for now.
2265 */
2266 if (!(dmi->dmi_addr[0] & 1))
2267 continue;
2268
2269 /* Ask CPM to run CRC and set bit in
2270 * filter mask.
2271 */
2272 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2273 }
2274 }
2275 }
2276 }
2277
2278 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2279 {
2280 struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2281 struct phy_device *phydev = ugeth->phydev;
2282 u32 tempval;
2283
2284 ugeth_vdbg("%s: IN", __func__);
2285
2286 /* Disable the controller */
2287 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2288
2289 /* Tell the kernel the link is down */
2290 phy_stop(phydev);
2291
2292 /* Mask all interrupts */
2293 out_be32(ugeth->uccf->p_uccm, 0x00000000);
2294
2295 /* Clear all interrupts */
2296 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2297
2298 /* Disable Rx and Tx */
2299 tempval = in_be32(&ug_regs->maccfg1);
2300 tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2301 out_be32(&ug_regs->maccfg1, tempval);
2302
2303 ucc_geth_memclean(ugeth);
2304 }
2305
2306 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2307 {
2308 struct ucc_geth_info *ug_info;
2309 struct ucc_fast_info *uf_info;
2310 int i;
2311
2312 ug_info = ugeth->ug_info;
2313 uf_info = &ug_info->uf_info;
2314
2315 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2316 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2317 if (netif_msg_probe(ugeth))
2318 ugeth_err("%s: Bad memory partition value.",
2319 __func__);
2320 return -EINVAL;
2321 }
2322
2323 /* Rx BD lengths */
2324 for (i = 0; i < ug_info->numQueuesRx; i++) {
2325 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2326 (ug_info->bdRingLenRx[i] %
2327 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2328 if (netif_msg_probe(ugeth))
2329 ugeth_err
2330 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2331 __func__);
2332 return -EINVAL;
2333 }
2334 }
2335
2336 /* Tx BD lengths */
2337 for (i = 0; i < ug_info->numQueuesTx; i++) {
2338 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2339 if (netif_msg_probe(ugeth))
2340 ugeth_err
2341 ("%s: Tx BD ring length must be no smaller than 2.",
2342 __func__);
2343 return -EINVAL;
2344 }
2345 }
2346
2347 /* mrblr */
2348 if ((uf_info->max_rx_buf_length == 0) ||
2349 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2350 if (netif_msg_probe(ugeth))
2351 ugeth_err
2352 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2353 __func__);
2354 return -EINVAL;
2355 }
2356
2357 /* num Tx queues */
2358 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2359 if (netif_msg_probe(ugeth))
2360 ugeth_err("%s: number of tx queues too large.", __func__);
2361 return -EINVAL;
2362 }
2363
2364 /* num Rx queues */
2365 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2366 if (netif_msg_probe(ugeth))
2367 ugeth_err("%s: number of rx queues too large.", __func__);
2368 return -EINVAL;
2369 }
2370
2371 /* l2qt */
2372 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2373 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2374 if (netif_msg_probe(ugeth))
2375 ugeth_err
2376 ("%s: VLAN priority table entry must not be"
2377 " larger than number of Rx queues.",
2378 __func__);
2379 return -EINVAL;
2380 }
2381 }
2382
2383 /* l3qt */
2384 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2385 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2386 if (netif_msg_probe(ugeth))
2387 ugeth_err
2388 ("%s: IP priority table entry must not be"
2389 " larger than number of Rx queues.",
2390 __func__);
2391 return -EINVAL;
2392 }
2393 }
2394
2395 if (ug_info->cam && !ug_info->ecamptr) {
2396 if (netif_msg_probe(ugeth))
2397 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2398 __func__);
2399 return -EINVAL;
2400 }
2401
2402 if ((ug_info->numStationAddresses !=
2403 UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2404 && ug_info->rxExtendedFiltering) {
2405 if (netif_msg_probe(ugeth))
2406 ugeth_err("%s: Number of station addresses greater than 1 "
2407 "not allowed in extended parsing mode.",
2408 __func__);
2409 return -EINVAL;
2410 }
2411
2412 /* Generate uccm_mask for receive */
2413 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2414 for (i = 0; i < ug_info->numQueuesRx; i++)
2415 uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
2416
2417 for (i = 0; i < ug_info->numQueuesTx; i++)
2418 uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
2419 /* Initialize the general fast UCC block. */
2420 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2421 if (netif_msg_probe(ugeth))
2422 ugeth_err("%s: Failed to init uccf.", __func__);
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 return -EINVAL;
2479 break;
2480 }
2481
2482 switch (ug_info->numThreadsTx) {
2483 case UCC_GETH_NUM_OF_THREADS_1:
2484 numThreadsTxNumerical = 1;
2485 break;
2486 case UCC_GETH_NUM_OF_THREADS_2:
2487 numThreadsTxNumerical = 2;
2488 break;
2489 case UCC_GETH_NUM_OF_THREADS_4:
2490 numThreadsTxNumerical = 4;
2491 break;
2492 case UCC_GETH_NUM_OF_THREADS_6:
2493 numThreadsTxNumerical = 6;
2494 break;
2495 case UCC_GETH_NUM_OF_THREADS_8:
2496 numThreadsTxNumerical = 8;
2497 break;
2498 default:
2499 if (netif_msg_ifup(ugeth))
2500 ugeth_err("%s: Bad number of Tx threads value.",
2501 __func__);
2502 return -EINVAL;
2503 break;
2504 }
2505
2506 /* Calculate rx_extended_features */
2507 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2508 ug_info->ipAddressAlignment ||
2509 (ug_info->numStationAddresses !=
2510 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2511
2512 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2513 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2514 || (ug_info->vlanOperationNonTagged !=
2515 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2516
2517 init_default_reg_vals(&uf_regs->upsmr,
2518 &ug_regs->maccfg1, &ug_regs->maccfg2);
2519
2520 /* Set UPSMR */
2521 /* For more details see the hardware spec. */
2522 init_rx_parameters(ug_info->bro,
2523 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2524
2525 /* We're going to ignore other registers for now, */
2526 /* except as needed to get up and running */
2527
2528 /* Set MACCFG1 */
2529 /* For more details see the hardware spec. */
2530 init_flow_control_params(ug_info->aufc,
2531 ug_info->receiveFlowControl,
2532 ug_info->transmitFlowControl,
2533 ug_info->pausePeriod,
2534 ug_info->extensionField,
2535 &uf_regs->upsmr,
2536 &ug_regs->uempr, &ug_regs->maccfg1);
2537
2538 maccfg1 = in_be32(&ug_regs->maccfg1);
2539 maccfg1 |= MACCFG1_ENABLE_RX;
2540 maccfg1 |= MACCFG1_ENABLE_TX;
2541 out_be32(&ug_regs->maccfg1, maccfg1);
2542
2543 /* Set IPGIFG */
2544 /* For more details see the hardware spec. */
2545 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2546 ug_info->nonBackToBackIfgPart2,
2547 ug_info->
2548 miminumInterFrameGapEnforcement,
2549 ug_info->backToBackInterFrameGap,
2550 &ug_regs->ipgifg);
2551 if (ret_val != 0) {
2552 if (netif_msg_ifup(ugeth))
2553 ugeth_err("%s: IPGIFG initialization parameter too large.",
2554 __func__);
2555 return ret_val;
2556 }
2557
2558 /* Set HAFDUP */
2559 /* For more details see the hardware spec. */
2560 ret_val = init_half_duplex_params(ug_info->altBeb,
2561 ug_info->backPressureNoBackoff,
2562 ug_info->noBackoff,
2563 ug_info->excessDefer,
2564 ug_info->altBebTruncation,
2565 ug_info->maxRetransmission,
2566 ug_info->collisionWindow,
2567 &ug_regs->hafdup);
2568 if (ret_val != 0) {
2569 if (netif_msg_ifup(ugeth))
2570 ugeth_err("%s: Half Duplex initialization parameter too large.",
2571 __func__);
2572 return ret_val;
2573 }
2574
2575 /* Set IFSTAT */
2576 /* For more details see the hardware spec. */
2577 /* Read only - resets upon read */
2578 ifstat = in_be32(&ug_regs->ifstat);
2579
2580 /* Clear UEMPR */
2581 /* For more details see the hardware spec. */
2582 out_be32(&ug_regs->uempr, 0);
2583
2584 /* Set UESCR */
2585 /* For more details see the hardware spec. */
2586 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2587 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2588 0, &uf_regs->upsmr, &ug_regs->uescr);
2589
2590 /* Allocate Tx bds */
2591 for (j = 0; j < ug_info->numQueuesTx; j++) {
2592 /* Allocate in multiple of
2593 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2594 according to spec */
2595 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2596 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2597 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2598 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2599 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2600 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2601 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2602 u32 align = 4;
2603 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2604 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2605 ugeth->tx_bd_ring_offset[j] =
2606 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2607
2608 if (ugeth->tx_bd_ring_offset[j] != 0)
2609 ugeth->p_tx_bd_ring[j] =
2610 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2611 align) & ~(align - 1));
2612 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2613 ugeth->tx_bd_ring_offset[j] =
2614 qe_muram_alloc(length,
2615 UCC_GETH_TX_BD_RING_ALIGNMENT);
2616 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2617 ugeth->p_tx_bd_ring[j] =
2618 (u8 __iomem *) qe_muram_addr(ugeth->
2619 tx_bd_ring_offset[j]);
2620 }
2621 if (!ugeth->p_tx_bd_ring[j]) {
2622 if (netif_msg_ifup(ugeth))
2623 ugeth_err
2624 ("%s: Can not allocate memory for Tx bd rings.",
2625 __func__);
2626 return -ENOMEM;
2627 }
2628 /* Zero unused end of bd ring, according to spec */
2629 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2630 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2631 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2632 }
2633
2634 /* Allocate Rx bds */
2635 for (j = 0; j < ug_info->numQueuesRx; j++) {
2636 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2637 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2638 u32 align = 4;
2639 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2640 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2641 ugeth->rx_bd_ring_offset[j] =
2642 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2643 if (ugeth->rx_bd_ring_offset[j] != 0)
2644 ugeth->p_rx_bd_ring[j] =
2645 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2646 align) & ~(align - 1));
2647 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2648 ugeth->rx_bd_ring_offset[j] =
2649 qe_muram_alloc(length,
2650 UCC_GETH_RX_BD_RING_ALIGNMENT);
2651 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2652 ugeth->p_rx_bd_ring[j] =
2653 (u8 __iomem *) qe_muram_addr(ugeth->
2654 rx_bd_ring_offset[j]);
2655 }
2656 if (!ugeth->p_rx_bd_ring[j]) {
2657 if (netif_msg_ifup(ugeth))
2658 ugeth_err
2659 ("%s: Can not allocate memory for Rx bd rings.",
2660 __func__);
2661 return -ENOMEM;
2662 }
2663 }
2664
2665 /* Init Tx bds */
2666 for (j = 0; j < ug_info->numQueuesTx; j++) {
2667 /* Setup the skbuff rings */
2668 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2669 ugeth->ug_info->bdRingLenTx[j],
2670 GFP_KERNEL);
2671
2672 if (ugeth->tx_skbuff[j] == NULL) {
2673 if (netif_msg_ifup(ugeth))
2674 ugeth_err("%s: Could not allocate tx_skbuff",
2675 __func__);
2676 return -ENOMEM;
2677 }
2678
2679 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2680 ugeth->tx_skbuff[j][i] = NULL;
2681
2682 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2683 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2684 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2685 /* clear bd buffer */
2686 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2687 /* set bd status and length */
2688 out_be32((u32 __iomem *)bd, 0);
2689 bd += sizeof(struct qe_bd);
2690 }
2691 bd -= sizeof(struct qe_bd);
2692 /* set bd status and length */
2693 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2694 }
2695
2696 /* Init Rx bds */
2697 for (j = 0; j < ug_info->numQueuesRx; j++) {
2698 /* Setup the skbuff rings */
2699 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2700 ugeth->ug_info->bdRingLenRx[j],
2701 GFP_KERNEL);
2702
2703 if (ugeth->rx_skbuff[j] == NULL) {
2704 if (netif_msg_ifup(ugeth))
2705 ugeth_err("%s: Could not allocate rx_skbuff",
2706 __func__);
2707 return -ENOMEM;
2708 }
2709
2710 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2711 ugeth->rx_skbuff[j][i] = NULL;
2712
2713 ugeth->skb_currx[j] = 0;
2714 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2715 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2716 /* set bd status and length */
2717 out_be32((u32 __iomem *)bd, R_I);
2718 /* clear bd buffer */
2719 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2720 bd += sizeof(struct qe_bd);
2721 }
2722 bd -= sizeof(struct qe_bd);
2723 /* set bd status and length */
2724 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2725 }
2726
2727 /*
2728 * Global PRAM
2729 */
2730 /* Tx global PRAM */
2731 /* Allocate global tx parameter RAM page */
2732 ugeth->tx_glbl_pram_offset =
2733 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2734 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2735 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2736 if (netif_msg_ifup(ugeth))
2737 ugeth_err
2738 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2739 __func__);
2740 return -ENOMEM;
2741 }
2742 ugeth->p_tx_glbl_pram =
2743 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2744 tx_glbl_pram_offset);
2745 /* Zero out p_tx_glbl_pram */
2746 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2747
2748 /* Fill global PRAM */
2749
2750 /* TQPTR */
2751 /* Size varies with number of Tx threads */
2752 ugeth->thread_dat_tx_offset =
2753 qe_muram_alloc(numThreadsTxNumerical *
2754 sizeof(struct ucc_geth_thread_data_tx) +
2755 32 * (numThreadsTxNumerical == 1),
2756 UCC_GETH_THREAD_DATA_ALIGNMENT);
2757 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2758 if (netif_msg_ifup(ugeth))
2759 ugeth_err
2760 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2761 __func__);
2762 return -ENOMEM;
2763 }
2764
2765 ugeth->p_thread_data_tx =
2766 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2767 thread_dat_tx_offset);
2768 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2769
2770 /* vtagtable */
2771 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2772 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2773 ug_info->vtagtable[i]);
2774
2775 /* iphoffset */
2776 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2777 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2778 ug_info->iphoffset[i]);
2779
2780 /* SQPTR */
2781 /* Size varies with number of Tx queues */
2782 ugeth->send_q_mem_reg_offset =
2783 qe_muram_alloc(ug_info->numQueuesTx *
2784 sizeof(struct ucc_geth_send_queue_qd),
2785 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2786 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2787 if (netif_msg_ifup(ugeth))
2788 ugeth_err
2789 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2790 __func__);
2791 return -ENOMEM;
2792 }
2793
2794 ugeth->p_send_q_mem_reg =
2795 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2796 send_q_mem_reg_offset);
2797 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2798
2799 /* Setup the table */
2800 /* Assume BD rings are already established */
2801 for (i = 0; i < ug_info->numQueuesTx; i++) {
2802 endOfRing =
2803 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2804 1) * sizeof(struct qe_bd);
2805 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2806 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2807 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2808 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2809 last_bd_completed_address,
2810 (u32) virt_to_phys(endOfRing));
2811 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2812 MEM_PART_MURAM) {
2813 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2814 (u32) immrbar_virt_to_phys(ugeth->
2815 p_tx_bd_ring[i]));
2816 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2817 last_bd_completed_address,
2818 (u32) immrbar_virt_to_phys(endOfRing));
2819 }
2820 }
2821
2822 /* schedulerbasepointer */
2823
2824 if (ug_info->numQueuesTx > 1) {
2825 /* scheduler exists only if more than 1 tx queue */
2826 ugeth->scheduler_offset =
2827 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2828 UCC_GETH_SCHEDULER_ALIGNMENT);
2829 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2830 if (netif_msg_ifup(ugeth))
2831 ugeth_err
2832 ("%s: Can not allocate DPRAM memory for p_scheduler.",
2833 __func__);
2834 return -ENOMEM;
2835 }
2836
2837 ugeth->p_scheduler =
2838 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2839 scheduler_offset);
2840 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2841 ugeth->scheduler_offset);
2842 /* Zero out p_scheduler */
2843 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2844
2845 /* Set values in scheduler */
2846 out_be32(&ugeth->p_scheduler->mblinterval,
2847 ug_info->mblinterval);
2848 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2849 ug_info->nortsrbytetime);
2850 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2851 out_8(&ugeth->p_scheduler->strictpriorityq,
2852 ug_info->strictpriorityq);
2853 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2854 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2855 for (i = 0; i < NUM_TX_QUEUES; i++)
2856 out_8(&ugeth->p_scheduler->weightfactor[i],
2857 ug_info->weightfactor[i]);
2858
2859 /* Set pointers to cpucount registers in scheduler */
2860 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2861 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2862 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2863 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2864 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2865 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2866 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2867 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2868 }
2869
2870 /* schedulerbasepointer */
2871 /* TxRMON_PTR (statistics) */
2872 if (ug_info->
2873 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2874 ugeth->tx_fw_statistics_pram_offset =
2875 qe_muram_alloc(sizeof
2876 (struct ucc_geth_tx_firmware_statistics_pram),
2877 UCC_GETH_TX_STATISTICS_ALIGNMENT);
2878 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2879 if (netif_msg_ifup(ugeth))
2880 ugeth_err
2881 ("%s: Can not allocate DPRAM memory for"
2882 " p_tx_fw_statistics_pram.",
2883 __func__);
2884 return -ENOMEM;
2885 }
2886 ugeth->p_tx_fw_statistics_pram =
2887 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2888 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2889 /* Zero out p_tx_fw_statistics_pram */
2890 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2891 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2892 }
2893
2894 /* temoder */
2895 /* Already has speed set */
2896
2897 if (ug_info->numQueuesTx > 1)
2898 temoder |= TEMODER_SCHEDULER_ENABLE;
2899 if (ug_info->ipCheckSumGenerate)
2900 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2901 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2902 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2903
2904 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2905
2906 /* Function code register value to be used later */
2907 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2908 /* Required for QE */
2909
2910 /* function code register */
2911 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2912
2913 /* Rx global PRAM */
2914 /* Allocate global rx parameter RAM page */
2915 ugeth->rx_glbl_pram_offset =
2916 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2917 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2918 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2919 if (netif_msg_ifup(ugeth))
2920 ugeth_err
2921 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2922 __func__);
2923 return -ENOMEM;
2924 }
2925 ugeth->p_rx_glbl_pram =
2926 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2927 rx_glbl_pram_offset);
2928 /* Zero out p_rx_glbl_pram */
2929 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2930
2931 /* Fill global PRAM */
2932
2933 /* RQPTR */
2934 /* Size varies with number of Rx threads */
2935 ugeth->thread_dat_rx_offset =
2936 qe_muram_alloc(numThreadsRxNumerical *
2937 sizeof(struct ucc_geth_thread_data_rx),
2938 UCC_GETH_THREAD_DATA_ALIGNMENT);
2939 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2940 if (netif_msg_ifup(ugeth))
2941 ugeth_err
2942 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2943 __func__);
2944 return -ENOMEM;
2945 }
2946
2947 ugeth->p_thread_data_rx =
2948 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2949 thread_dat_rx_offset);
2950 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2951
2952 /* typeorlen */
2953 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2954
2955 /* rxrmonbaseptr (statistics) */
2956 if (ug_info->
2957 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2958 ugeth->rx_fw_statistics_pram_offset =
2959 qe_muram_alloc(sizeof
2960 (struct ucc_geth_rx_firmware_statistics_pram),
2961 UCC_GETH_RX_STATISTICS_ALIGNMENT);
2962 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2963 if (netif_msg_ifup(ugeth))
2964 ugeth_err
2965 ("%s: Can not allocate DPRAM memory for"
2966 " p_rx_fw_statistics_pram.", __func__);
2967 return -ENOMEM;
2968 }
2969 ugeth->p_rx_fw_statistics_pram =
2970 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2971 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2972 /* Zero out p_rx_fw_statistics_pram */
2973 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2974 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2975 }
2976
2977 /* intCoalescingPtr */
2978
2979 /* Size varies with number of Rx queues */
2980 ugeth->rx_irq_coalescing_tbl_offset =
2981 qe_muram_alloc(ug_info->numQueuesRx *
2982 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2983 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
2984 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
2985 if (netif_msg_ifup(ugeth))
2986 ugeth_err
2987 ("%s: Can not allocate DPRAM memory for"
2988 " p_rx_irq_coalescing_tbl.", __func__);
2989 return -ENOMEM;
2990 }
2991
2992 ugeth->p_rx_irq_coalescing_tbl =
2993 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
2994 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2995 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2996 ugeth->rx_irq_coalescing_tbl_offset);
2997
2998 /* Fill interrupt coalescing table */
2999 for (i = 0; i < ug_info->numQueuesRx; i++) {
3000 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3001 interruptcoalescingmaxvalue,
3002 ug_info->interruptcoalescingmaxvalue[i]);
3003 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3004 interruptcoalescingcounter,
3005 ug_info->interruptcoalescingmaxvalue[i]);
3006 }
3007
3008 /* MRBLR */
3009 init_max_rx_buff_len(uf_info->max_rx_buf_length,
3010 &ugeth->p_rx_glbl_pram->mrblr);
3011 /* MFLR */
3012 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
3013 /* MINFLR */
3014 init_min_frame_len(ug_info->minFrameLength,
3015 &ugeth->p_rx_glbl_pram->minflr,
3016 &ugeth->p_rx_glbl_pram->mrblr);
3017 /* MAXD1 */
3018 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
3019 /* MAXD2 */
3020 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
3021
3022 /* l2qt */
3023 l2qt = 0;
3024 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
3025 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
3026 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
3027
3028 /* l3qt */
3029 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
3030 l3qt = 0;
3031 for (i = 0; i < 8; i++)
3032 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3033 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3034 }
3035
3036 /* vlantype */
3037 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
3038
3039 /* vlantci */
3040 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
3041
3042 /* ecamptr */
3043 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
3044
3045 /* RBDQPTR */
3046 /* Size varies with number of Rx queues */
3047 ugeth->rx_bd_qs_tbl_offset =
3048 qe_muram_alloc(ug_info->numQueuesRx *
3049 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3050 sizeof(struct ucc_geth_rx_prefetched_bds)),
3051 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3052 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3053 if (netif_msg_ifup(ugeth))
3054 ugeth_err
3055 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3056 __func__);
3057 return -ENOMEM;
3058 }
3059
3060 ugeth->p_rx_bd_qs_tbl =
3061 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
3062 rx_bd_qs_tbl_offset);
3063 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
3064 /* Zero out p_rx_bd_qs_tbl */
3065 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
3066 0,
3067 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3068 sizeof(struct ucc_geth_rx_prefetched_bds)));
3069
3070 /* Setup the table */
3071 /* Assume BD rings are already established */
3072 for (i = 0; i < ug_info->numQueuesRx; i++) {
3073 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
3074 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3075 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
3076 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
3077 MEM_PART_MURAM) {
3078 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3079 (u32) immrbar_virt_to_phys(ugeth->
3080 p_rx_bd_ring[i]));
3081 }
3082 /* rest of fields handled by QE */
3083 }
3084
3085 /* remoder */
3086 /* Already has speed set */
3087
3088 if (ugeth->rx_extended_features)
3089 remoder |= REMODER_RX_EXTENDED_FEATURES;
3090 if (ug_info->rxExtendedFiltering)
3091 remoder |= REMODER_RX_EXTENDED_FILTERING;
3092 if (ug_info->dynamicMaxFrameLength)
3093 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
3094 if (ug_info->dynamicMinFrameLength)
3095 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
3096 remoder |=
3097 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
3098 remoder |=
3099 ug_info->
3100 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
3101 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
3102 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
3103 if (ug_info->ipCheckSumCheck)
3104 remoder |= REMODER_IP_CHECKSUM_CHECK;
3105 if (ug_info->ipAddressAlignment)
3106 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
3107 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
3108
3109 /* Note that this function must be called */
3110 /* ONLY AFTER p_tx_fw_statistics_pram */
3111 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
3112 init_firmware_statistics_gathering_mode((ug_info->
3113 statisticsMode &
3114 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
3115 (ug_info->statisticsMode &
3116 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
3117 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
3118 ugeth->tx_fw_statistics_pram_offset,
3119 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
3120 ugeth->rx_fw_statistics_pram_offset,
3121 &ugeth->p_tx_glbl_pram->temoder,
3122 &ugeth->p_rx_glbl_pram->remoder);
3123
3124 /* function code register */
3125 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
3126
3127 /* initialize extended filtering */
3128 if (ug_info->rxExtendedFiltering) {
3129 if (!ug_info->extendedFilteringChainPointer) {
3130 if (netif_msg_ifup(ugeth))
3131 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3132 __func__);
3133 return -EINVAL;
3134 }
3135
3136 /* Allocate memory for extended filtering Mode Global
3137 Parameters */
3138 ugeth->exf_glbl_param_offset =
3139 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3140 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3141 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3142 if (netif_msg_ifup(ugeth))
3143 ugeth_err
3144 ("%s: Can not allocate DPRAM memory for"
3145 " p_exf_glbl_param.", __func__);
3146 return -ENOMEM;
3147 }
3148
3149 ugeth->p_exf_glbl_param =
3150 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
3151 exf_glbl_param_offset);
3152 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
3153 ugeth->exf_glbl_param_offset);
3154 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
3155 (u32) ug_info->extendedFilteringChainPointer);
3156
3157 } else { /* initialize 82xx style address filtering */
3158
3159 /* Init individual address recognition registers to disabled */
3160
3161 for (j = 0; j < NUM_OF_PADDRS; j++)
3162 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
3163
3164 p_82xx_addr_filt =
3165 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
3166 p_rx_glbl_pram->addressfiltering;
3167
3168 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3169 ENET_ADDR_TYPE_GROUP);
3170 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3171 ENET_ADDR_TYPE_INDIVIDUAL);
3172 }
3173
3174 /*
3175 * Initialize UCC at QE level
3176 */
3177
3178 command = QE_INIT_TX_RX;
3179
3180 /* Allocate shadow InitEnet command parameter structure.
3181 * This is needed because after the InitEnet command is executed,
3182 * the structure in DPRAM is released, because DPRAM is a premium
3183 * resource.
3184 * This shadow structure keeps a copy of what was done so that the
3185 * allocated resources can be released when the channel is freed.
3186 */
3187 if (!(ugeth->p_init_enet_param_shadow =
3188 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3189 if (netif_msg_ifup(ugeth))
3190 ugeth_err
3191 ("%s: Can not allocate memory for"
3192 " p_UccInitEnetParamShadows.", __func__);
3193 return -ENOMEM;
3194 }
3195 /* Zero out *p_init_enet_param_shadow */
3196 memset((char *)ugeth->p_init_enet_param_shadow,
3197 0, sizeof(struct ucc_geth_init_pram));
3198
3199 /* Fill shadow InitEnet command parameter structure */
3200
3201 ugeth->p_init_enet_param_shadow->resinit1 =
3202 ENET_INIT_PARAM_MAGIC_RES_INIT1;
3203 ugeth->p_init_enet_param_shadow->resinit2 =
3204 ENET_INIT_PARAM_MAGIC_RES_INIT2;
3205 ugeth->p_init_enet_param_shadow->resinit3 =
3206 ENET_INIT_PARAM_MAGIC_RES_INIT3;
3207 ugeth->p_init_enet_param_shadow->resinit4 =
3208 ENET_INIT_PARAM_MAGIC_RES_INIT4;
3209 ugeth->p_init_enet_param_shadow->resinit5 =
3210 ENET_INIT_PARAM_MAGIC_RES_INIT5;
3211 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3212 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
3213 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3214 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
3215
3216 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3217 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3218 if ((ug_info->largestexternallookupkeysize !=
3219 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
3220 && (ug_info->largestexternallookupkeysize !=
3221 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3222 && (ug_info->largestexternallookupkeysize !=
3223 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3224 if (netif_msg_ifup(ugeth))
3225 ugeth_err("%s: Invalid largest External Lookup Key Size.",
3226 __func__);
3227 return -EINVAL;
3228 }
3229 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3230 ug_info->largestexternallookupkeysize;
3231 size = sizeof(struct ucc_geth_thread_rx_pram);
3232 if (ug_info->rxExtendedFiltering) {
3233 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3234 if (ug_info->largestexternallookupkeysize ==
3235 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3236 size +=
3237 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3238 if (ug_info->largestexternallookupkeysize ==
3239 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3240 size +=
3241 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3242 }
3243
3244 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3245 p_init_enet_param_shadow->rxthread[0]),
3246 (u8) (numThreadsRxNumerical + 1)
3247 /* Rx needs one extra for terminator */
3248 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3249 ug_info->riscRx, 1)) != 0) {
3250 if (netif_msg_ifup(ugeth))
3251 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3252 __func__);
3253 return ret_val;
3254 }
3255
3256 ugeth->p_init_enet_param_shadow->txglobal =
3257 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3258 if ((ret_val =
3259 fill_init_enet_entries(ugeth,
3260 &(ugeth->p_init_enet_param_shadow->
3261 txthread[0]), numThreadsTxNumerical,
3262 sizeof(struct ucc_geth_thread_tx_pram),
3263 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3264 ug_info->riscTx, 0)) != 0) {
3265 if (netif_msg_ifup(ugeth))
3266 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3267 __func__);
3268 return ret_val;
3269 }
3270
3271 /* Load Rx bds with buffers */
3272 for (i = 0; i < ug_info->numQueuesRx; i++) {
3273 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3274 if (netif_msg_ifup(ugeth))
3275 ugeth_err("%s: Can not fill Rx bds with buffers.",
3276 __func__);
3277 return ret_val;
3278 }
3279 }
3280
3281 /* Allocate InitEnet command parameter structure */
3282 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3283 if (IS_ERR_VALUE(init_enet_pram_offset)) {
3284 if (netif_msg_ifup(ugeth))
3285 ugeth_err
3286 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3287 __func__);
3288 return -ENOMEM;
3289 }
3290 p_init_enet_pram =
3291 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3292
3293 /* Copy shadow InitEnet command parameter structure into PRAM */
3294 out_8(&p_init_enet_pram->resinit1,
3295 ugeth->p_init_enet_param_shadow->resinit1);
3296 out_8(&p_init_enet_pram->resinit2,
3297 ugeth->p_init_enet_param_shadow->resinit2);
3298 out_8(&p_init_enet_pram->resinit3,
3299 ugeth->p_init_enet_param_shadow->resinit3);
3300 out_8(&p_init_enet_pram->resinit4,
3301 ugeth->p_init_enet_param_shadow->resinit4);
3302 out_be16(&p_init_enet_pram->resinit5,
3303 ugeth->p_init_enet_param_shadow->resinit5);
3304 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3305 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3306 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3307 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3308 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3309 out_be32(&p_init_enet_pram->rxthread[i],
3310 ugeth->p_init_enet_param_shadow->rxthread[i]);
3311 out_be32(&p_init_enet_pram->txglobal,
3312 ugeth->p_init_enet_param_shadow->txglobal);
3313 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3314 out_be32(&p_init_enet_pram->txthread[i],
3315 ugeth->p_init_enet_param_shadow->txthread[i]);
3316
3317 /* Issue QE command */
3318 cecr_subblock =
3319 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3320 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3321 init_enet_pram_offset);
3322
3323 /* Free InitEnet command parameter */
3324 qe_muram_free(init_enet_pram_offset);
3325
3326 return 0;
3327 }
3328
3329 static int ucc_geth_close(struct net_device *dev);
3330 static int ucc_geth_open(struct net_device *dev);
3331
3332 /* Reopen device. This will reset the MAC and PHY. */
3333 static void ucc_geth_timeout_work(struct work_struct *work)
3334 {
3335 struct ucc_geth_private *ugeth;
3336 struct net_device *dev;
3337
3338 ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3339 dev = ugeth->dev;
3340
3341 ugeth_vdbg("%s: IN", __func__);
3342
3343 dev->stats.tx_errors++;
3344
3345 ugeth_dump_regs(ugeth);
3346
3347 if (dev->flags & IFF_UP) {
3348 /*
3349 * Must reset MAC *and* PHY. This is done by reopening
3350 * the device.
3351 */
3352 ucc_geth_close(dev);
3353 ucc_geth_open(dev);
3354 }
3355
3356 netif_tx_schedule_all(dev);
3357 }
3358
3359 /*
3360 * ucc_geth_timeout gets called when a packet has not been
3361 * transmitted after a set amount of time.
3362 */
3363 static void ucc_geth_timeout(struct net_device *dev)
3364 {
3365 struct ucc_geth_private *ugeth = netdev_priv(dev);
3366
3367 netif_carrier_off(dev);
3368 schedule_work(&ugeth->timeout_work);
3369 }
3370
3371 /* This is called by the kernel when a frame is ready for transmission. */
3372 /* It is pointed to by the dev->hard_start_xmit function pointer */
3373 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3374 {
3375 struct ucc_geth_private *ugeth = netdev_priv(dev);
3376 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3377 struct ucc_fast_private *uccf;
3378 #endif
3379 u8 __iomem *bd; /* BD pointer */
3380 u32 bd_status;
3381 u8 txQ = 0;
3382
3383 ugeth_vdbg("%s: IN", __func__);
3384
3385 spin_lock_irq(&ugeth->lock);
3386
3387 dev->stats.tx_bytes += skb->len;
3388
3389 /* Start from the next BD that should be filled */
3390 bd = ugeth->txBd[txQ];
3391 bd_status = in_be32((u32 __iomem *)bd);
3392 /* Save the skb pointer so we can free it later */
3393 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3394
3395 /* Update the current skb pointer (wrapping if this was the last) */
3396 ugeth->skb_curtx[txQ] =
3397 (ugeth->skb_curtx[txQ] +
3398 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3399
3400 /* set up the buffer descriptor */
3401 out_be32(&((struct qe_bd __iomem *)bd)->buf,
3402 dma_map_single(&ugeth->dev->dev, skb->data,
3403 skb->len, DMA_TO_DEVICE));
3404
3405 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3406
3407 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3408
3409 /* set bd status and length */
3410 out_be32((u32 __iomem *)bd, bd_status);
3411
3412 dev->trans_start = jiffies;
3413
3414 /* Move to next BD in the ring */
3415 if (!(bd_status & T_W))
3416 bd += sizeof(struct qe_bd);
3417 else
3418 bd = ugeth->p_tx_bd_ring[txQ];
3419
3420 /* If the next BD still needs to be cleaned up, then the bds
3421 are full. We need to tell the kernel to stop sending us stuff. */
3422 if (bd == ugeth->confBd[txQ]) {
3423 if (!netif_queue_stopped(dev))
3424 netif_stop_queue(dev);
3425 }
3426
3427 ugeth->txBd[txQ] = bd;
3428
3429 if (ugeth->p_scheduler) {
3430 ugeth->cpucount[txQ]++;
3431 /* Indicate to QE that there are more Tx bds ready for
3432 transmission */
3433 /* This is done by writing a running counter of the bd
3434 count to the scheduler PRAM. */
3435 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3436 }
3437
3438 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3439 uccf = ugeth->uccf;
3440 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3441 #endif
3442 spin_unlock_irq(&ugeth->lock);
3443
3444 return 0;
3445 }
3446
3447 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3448 {
3449 struct sk_buff *skb;
3450 u8 __iomem *bd;
3451 u16 length, howmany = 0;
3452 u32 bd_status;
3453 u8 *bdBuffer;
3454 struct net_device *dev;
3455
3456 ugeth_vdbg("%s: IN", __func__);
3457
3458 dev = ugeth->dev;
3459
3460 /* collect received buffers */
3461 bd = ugeth->rxBd[rxQ];
3462
3463 bd_status = in_be32((u32 __iomem *)bd);
3464
3465 /* while there are received buffers and BD is full (~R_E) */
3466 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3467 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3468 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3469 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3470
3471 /* determine whether buffer is first, last, first and last
3472 (single buffer frame) or middle (not first and not last) */
3473 if (!skb ||
3474 (!(bd_status & (R_F | R_L))) ||
3475 (bd_status & R_ERRORS_FATAL)) {
3476 if (netif_msg_rx_err(ugeth))
3477 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3478 __func__, __LINE__, (u32) skb);
3479 if (skb)
3480 dev_kfree_skb_any(skb);
3481
3482 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3483 dev->stats.rx_dropped++;
3484 } else {
3485 dev->stats.rx_packets++;
3486 howmany++;
3487
3488 /* Prep the skb for the packet */
3489 skb_put(skb, length);
3490
3491 /* Tell the skb what kind of packet this is */
3492 skb->protocol = eth_type_trans(skb, ugeth->dev);
3493
3494 dev->stats.rx_bytes += length;
3495 /* Send the packet up the stack */
3496 netif_receive_skb(skb);
3497 }
3498
3499 skb = get_new_skb(ugeth, bd);
3500 if (!skb) {
3501 if (netif_msg_rx_err(ugeth))
3502 ugeth_warn("%s: No Rx Data Buffer", __func__);
3503 dev->stats.rx_dropped++;
3504 break;
3505 }
3506
3507 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3508
3509 /* update to point at the next skb */
3510 ugeth->skb_currx[rxQ] =
3511 (ugeth->skb_currx[rxQ] +
3512 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3513
3514 if (bd_status & R_W)
3515 bd = ugeth->p_rx_bd_ring[rxQ];
3516 else
3517 bd += sizeof(struct qe_bd);
3518
3519 bd_status = in_be32((u32 __iomem *)bd);
3520 }
3521
3522 ugeth->rxBd[rxQ] = bd;
3523 return howmany;
3524 }
3525
3526 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3527 {
3528 /* Start from the next BD that should be filled */
3529 struct ucc_geth_private *ugeth = netdev_priv(dev);
3530 u8 __iomem *bd; /* BD pointer */
3531 u32 bd_status;
3532
3533 bd = ugeth->confBd[txQ];
3534 bd_status = in_be32((u32 __iomem *)bd);
3535
3536 /* Normal processing. */
3537 while ((bd_status & T_R) == 0) {
3538 /* BD contains already transmitted buffer. */
3539 /* Handle the transmitted buffer and release */
3540 /* the BD to be used with the current frame */
3541
3542 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3543 break;
3544
3545 dev->stats.tx_packets++;
3546
3547 /* Free the sk buffer associated with this TxBD */
3548 dev_kfree_skb_irq(ugeth->
3549 tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3550 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3551 ugeth->skb_dirtytx[txQ] =
3552 (ugeth->skb_dirtytx[txQ] +
3553 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3554
3555 /* We freed a buffer, so now we can restart transmission */
3556 if (netif_queue_stopped(dev))
3557 netif_wake_queue(dev);
3558
3559 /* Advance the confirmation BD pointer */
3560 if (!(bd_status & T_W))
3561 bd += sizeof(struct qe_bd);
3562 else
3563 bd = ugeth->p_tx_bd_ring[txQ];
3564 bd_status = in_be32((u32 __iomem *)bd);
3565 }
3566 ugeth->confBd[txQ] = bd;
3567 return 0;
3568 }
3569
3570 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3571 {
3572 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3573 struct net_device *dev = ugeth->dev;
3574 struct ucc_geth_info *ug_info;
3575 int howmany, i;
3576
3577 ug_info = ugeth->ug_info;
3578
3579 howmany = 0;
3580 for (i = 0; i < ug_info->numQueuesRx; i++)
3581 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3582
3583 if (howmany < budget) {
3584 struct ucc_fast_private *uccf;
3585 u32 uccm;
3586
3587 netif_rx_complete(dev, napi);
3588 uccf = ugeth->uccf;
3589 uccm = in_be32(uccf->p_uccm);
3590 uccm |= UCCE_RX_EVENTS;
3591 out_be32(uccf->p_uccm, uccm);
3592 }
3593
3594 return howmany;
3595 }
3596
3597 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3598 {
3599 struct net_device *dev = info;
3600 struct ucc_geth_private *ugeth = netdev_priv(dev);
3601 struct ucc_fast_private *uccf;
3602 struct ucc_geth_info *ug_info;
3603 register u32 ucce;
3604 register u32 uccm;
3605 register u32 tx_mask;
3606 u8 i;
3607
3608 ugeth_vdbg("%s: IN", __func__);
3609
3610 uccf = ugeth->uccf;
3611 ug_info = ugeth->ug_info;
3612
3613 /* read and clear events */
3614 ucce = (u32) in_be32(uccf->p_ucce);
3615 uccm = (u32) in_be32(uccf->p_uccm);
3616 ucce &= uccm;
3617 out_be32(uccf->p_ucce, ucce);
3618
3619 /* check for receive events that require processing */
3620 if (ucce & UCCE_RX_EVENTS) {
3621 if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
3622 uccm &= ~UCCE_RX_EVENTS;
3623 out_be32(uccf->p_uccm, uccm);
3624 __netif_rx_schedule(dev, &ugeth->napi);
3625 }
3626 }
3627
3628 /* Tx event processing */
3629 if (ucce & UCCE_TX_EVENTS) {
3630 spin_lock(&ugeth->lock);
3631 tx_mask = UCCE_TXBF_SINGLE_MASK;
3632 for (i = 0; i < ug_info->numQueuesTx; i++) {
3633 if (ucce & tx_mask)
3634 ucc_geth_tx(dev, i);
3635 ucce &= ~tx_mask;
3636 tx_mask <<= 1;
3637 }
3638 spin_unlock(&ugeth->lock);
3639 }
3640
3641 /* Errors and other events */
3642 if (ucce & UCCE_OTHER) {
3643 if (ucce & UCCE_BSY) {
3644 dev->stats.rx_errors++;
3645 }
3646 if (ucce & UCCE_TXE) {
3647 dev->stats.tx_errors++;
3648 }
3649 }
3650
3651 return IRQ_HANDLED;
3652 }
3653
3654 #ifdef CONFIG_NET_POLL_CONTROLLER
3655 /*
3656 * Polling 'interrupt' - used by things like netconsole to send skbs
3657 * without having to re-enable interrupts. It's not called while
3658 * the interrupt routine is executing.
3659 */
3660 static void ucc_netpoll(struct net_device *dev)
3661 {
3662 struct ucc_geth_private *ugeth = netdev_priv(dev);
3663 int irq = ugeth->ug_info->uf_info.irq;
3664
3665 disable_irq(irq);
3666 ucc_geth_irq_handler(irq, dev);
3667 enable_irq(irq);
3668 }
3669 #endif /* CONFIG_NET_POLL_CONTROLLER */
3670
3671 /* Called when something needs to use the ethernet device */
3672 /* Returns 0 for success. */
3673 static int ucc_geth_open(struct net_device *dev)
3674 {
3675 struct ucc_geth_private *ugeth = netdev_priv(dev);
3676 int err;
3677
3678 ugeth_vdbg("%s: IN", __func__);
3679
3680 /* Test station address */
3681 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3682 if (netif_msg_ifup(ugeth))
3683 ugeth_err("%s: Multicast address used for station address"
3684 " - is this what you wanted?", __func__);
3685 return -EINVAL;
3686 }
3687
3688 err = ucc_struct_init(ugeth);
3689 if (err) {
3690 if (netif_msg_ifup(ugeth))
3691 ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3692 return err;
3693 }
3694
3695 napi_enable(&ugeth->napi);
3696
3697 err = ucc_geth_startup(ugeth);
3698 if (err) {
3699 if (netif_msg_ifup(ugeth))
3700 ugeth_err("%s: Cannot configure net device, aborting.",
3701 dev->name);
3702 goto out_err;
3703 }
3704
3705 err = adjust_enet_interface(ugeth);
3706 if (err) {
3707 if (netif_msg_ifup(ugeth))
3708 ugeth_err("%s: Cannot configure net device, aborting.",
3709 dev->name);
3710 goto out_err;
3711 }
3712
3713 /* Set MACSTNADDR1, MACSTNADDR2 */
3714 /* For more details see the hardware spec. */
3715 init_mac_station_addr_regs(dev->dev_addr[0],
3716 dev->dev_addr[1],
3717 dev->dev_addr[2],
3718 dev->dev_addr[3],
3719 dev->dev_addr[4],
3720 dev->dev_addr[5],
3721 &ugeth->ug_regs->macstnaddr1,
3722 &ugeth->ug_regs->macstnaddr2);
3723
3724 err = init_phy(dev);
3725 if (err) {
3726 if (netif_msg_ifup(ugeth))
3727 ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3728 goto out_err;
3729 }
3730
3731 phy_start(ugeth->phydev);
3732
3733 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3734 if (err) {
3735 if (netif_msg_ifup(ugeth))
3736 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3737 goto out_err;
3738 }
3739
3740 err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3741 0, "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 goto out_err;
3747 }
3748
3749 netif_start_queue(dev);
3750
3751 return err;
3752
3753 out_err:
3754 napi_disable(&ugeth->napi);
3755 ucc_geth_stop(ugeth);
3756 return err;
3757 }
3758
3759 /* Stops the kernel queue, and halts the controller */
3760 static int ucc_geth_close(struct net_device *dev)
3761 {
3762 struct ucc_geth_private *ugeth = netdev_priv(dev);
3763
3764 ugeth_vdbg("%s: IN", __func__);
3765
3766 napi_disable(&ugeth->napi);
3767
3768 ucc_geth_stop(ugeth);
3769
3770 free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
3771
3772 phy_disconnect(ugeth->phydev);
3773 ugeth->phydev = NULL;
3774
3775 netif_stop_queue(dev);
3776
3777 return 0;
3778 }
3779
3780 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3781 {
3782 if (strcasecmp(phy_connection_type, "mii") == 0)
3783 return PHY_INTERFACE_MODE_MII;
3784 if (strcasecmp(phy_connection_type, "gmii") == 0)
3785 return PHY_INTERFACE_MODE_GMII;
3786 if (strcasecmp(phy_connection_type, "tbi") == 0)
3787 return PHY_INTERFACE_MODE_TBI;
3788 if (strcasecmp(phy_connection_type, "rmii") == 0)
3789 return PHY_INTERFACE_MODE_RMII;
3790 if (strcasecmp(phy_connection_type, "rgmii") == 0)
3791 return PHY_INTERFACE_MODE_RGMII;
3792 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3793 return PHY_INTERFACE_MODE_RGMII_ID;
3794 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3795 return PHY_INTERFACE_MODE_RGMII_TXID;
3796 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3797 return PHY_INTERFACE_MODE_RGMII_RXID;
3798 if (strcasecmp(phy_connection_type, "rtbi") == 0)
3799 return PHY_INTERFACE_MODE_RTBI;
3800
3801 return PHY_INTERFACE_MODE_MII;
3802 }
3803
3804 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3805 {
3806 struct device *device = &ofdev->dev;
3807 struct device_node *np = ofdev->node;
3808 struct device_node *mdio;
3809 struct net_device *dev = NULL;
3810 struct ucc_geth_private *ugeth = NULL;
3811 struct ucc_geth_info *ug_info;
3812 struct resource res;
3813 struct device_node *phy;
3814 int err, ucc_num, max_speed = 0;
3815 const phandle *ph;
3816 const u32 *fixed_link;
3817 const unsigned int *prop;
3818 const char *sprop;
3819 const void *mac_addr;
3820 phy_interface_t phy_interface;
3821 static const int enet_to_speed[] = {
3822 SPEED_10, SPEED_10, SPEED_10,
3823 SPEED_100, SPEED_100, SPEED_100,
3824 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3825 };
3826 static const phy_interface_t enet_to_phy_interface[] = {
3827 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3828 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3829 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3830 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3831 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3832 };
3833
3834 ugeth_vdbg("%s: IN", __func__);
3835
3836 prop = of_get_property(np, "cell-index", NULL);
3837 if (!prop) {
3838 prop = of_get_property(np, "device-id", NULL);
3839 if (!prop)
3840 return -ENODEV;
3841 }
3842
3843 ucc_num = *prop - 1;
3844 if ((ucc_num < 0) || (ucc_num > 7))
3845 return -ENODEV;
3846
3847 ug_info = &ugeth_info[ucc_num];
3848 if (ug_info == NULL) {
3849 if (netif_msg_probe(&debug))
3850 ugeth_err("%s: [%d] Missing additional data!",
3851 __func__, ucc_num);
3852 return -ENODEV;
3853 }
3854
3855 ug_info->uf_info.ucc_num = ucc_num;
3856
3857 sprop = of_get_property(np, "rx-clock-name", NULL);
3858 if (sprop) {
3859 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3860 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3861 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3862 printk(KERN_ERR
3863 "ucc_geth: invalid rx-clock-name property\n");
3864 return -EINVAL;
3865 }
3866 } else {
3867 prop = of_get_property(np, "rx-clock", NULL);
3868 if (!prop) {
3869 /* If both rx-clock-name and rx-clock are missing,
3870 we want to tell people to use rx-clock-name. */
3871 printk(KERN_ERR
3872 "ucc_geth: missing rx-clock-name property\n");
3873 return -EINVAL;
3874 }
3875 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3876 printk(KERN_ERR
3877 "ucc_geth: invalid rx-clock propperty\n");
3878 return -EINVAL;
3879 }
3880 ug_info->uf_info.rx_clock = *prop;
3881 }
3882
3883 sprop = of_get_property(np, "tx-clock-name", NULL);
3884 if (sprop) {
3885 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3886 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3887 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3888 printk(KERN_ERR
3889 "ucc_geth: invalid tx-clock-name property\n");
3890 return -EINVAL;
3891 }
3892 } else {
3893 prop = of_get_property(np, "tx-clock", NULL);
3894 if (!prop) {
3895 printk(KERN_ERR
3896 "ucc_geth: mising tx-clock-name property\n");
3897 return -EINVAL;
3898 }
3899 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3900 printk(KERN_ERR
3901 "ucc_geth: invalid tx-clock property\n");
3902 return -EINVAL;
3903 }
3904 ug_info->uf_info.tx_clock = *prop;
3905 }
3906
3907 err = of_address_to_resource(np, 0, &res);
3908 if (err)
3909 return -EINVAL;
3910
3911 ug_info->uf_info.regs = res.start;
3912 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3913 fixed_link = of_get_property(np, "fixed-link", NULL);
3914 if (fixed_link) {
3915 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3916 ug_info->phy_address = fixed_link[0];
3917 phy = NULL;
3918 } else {
3919 ph = of_get_property(np, "phy-handle", NULL);
3920 phy = of_find_node_by_phandle(*ph);
3921
3922 if (phy == NULL)
3923 return -ENODEV;
3924
3925 /* set the PHY address */
3926 prop = of_get_property(phy, "reg", NULL);
3927 if (prop == NULL)
3928 return -1;
3929 ug_info->phy_address = *prop;
3930
3931 /* Set the bus id */
3932 mdio = of_get_parent(phy);
3933
3934 if (mdio == NULL)
3935 return -1;
3936
3937 err = of_address_to_resource(mdio, 0, &res);
3938 of_node_put(mdio);
3939
3940 if (err)
3941 return -1;
3942
3943 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3944 }
3945
3946 /* get the phy interface type, or default to MII */
3947 prop = of_get_property(np, "phy-connection-type", NULL);
3948 if (!prop) {
3949 /* handle interface property present in old trees */
3950 prop = of_get_property(phy, "interface", NULL);
3951 if (prop != NULL) {
3952 phy_interface = enet_to_phy_interface[*prop];
3953 max_speed = enet_to_speed[*prop];
3954 } else
3955 phy_interface = PHY_INTERFACE_MODE_MII;
3956 } else {
3957 phy_interface = to_phy_interface((const char *)prop);
3958 }
3959
3960 /* get speed, or derive from PHY interface */
3961 if (max_speed == 0)
3962 switch (phy_interface) {
3963 case PHY_INTERFACE_MODE_GMII:
3964 case PHY_INTERFACE_MODE_RGMII:
3965 case PHY_INTERFACE_MODE_RGMII_ID:
3966 case PHY_INTERFACE_MODE_RGMII_RXID:
3967 case PHY_INTERFACE_MODE_RGMII_TXID:
3968 case PHY_INTERFACE_MODE_TBI:
3969 case PHY_INTERFACE_MODE_RTBI:
3970 max_speed = SPEED_1000;
3971 break;
3972 default:
3973 max_speed = SPEED_100;
3974 break;
3975 }
3976
3977 if (max_speed == SPEED_1000) {
3978 /* configure muram FIFOs for gigabit operation */
3979 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3980 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3981 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3982 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3983 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3984 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
3985 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3986 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
3987 }
3988
3989 if (netif_msg_probe(&debug))
3990 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3991 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3992 ug_info->uf_info.irq);
3993
3994 /* Create an ethernet device instance */
3995 dev = alloc_etherdev(sizeof(*ugeth));
3996
3997 if (dev == NULL)
3998 return -ENOMEM;
3999
4000 ugeth = netdev_priv(dev);
4001 spin_lock_init(&ugeth->lock);
4002
4003 /* Create CQs for hash tables */
4004 INIT_LIST_HEAD(&ugeth->group_hash_q);
4005 INIT_LIST_HEAD(&ugeth->ind_hash_q);
4006
4007 dev_set_drvdata(device, dev);
4008
4009 /* Set the dev->base_addr to the gfar reg region */
4010 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
4011
4012 SET_NETDEV_DEV(dev, device);
4013
4014 /* Fill in the dev structure */
4015 uec_set_ethtool_ops(dev);
4016 dev->open = ucc_geth_open;
4017 dev->hard_start_xmit = ucc_geth_start_xmit;
4018 dev->tx_timeout = ucc_geth_timeout;
4019 dev->watchdog_timeo = TX_TIMEOUT;
4020 INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
4021 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
4022 #ifdef CONFIG_NET_POLL_CONTROLLER
4023 dev->poll_controller = ucc_netpoll;
4024 #endif
4025 dev->stop = ucc_geth_close;
4026 // dev->change_mtu = ucc_geth_change_mtu;
4027 dev->mtu = 1500;
4028 dev->set_multicast_list = ucc_geth_set_multi;
4029
4030 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
4031 ugeth->phy_interface = phy_interface;
4032 ugeth->max_speed = max_speed;
4033
4034 err = register_netdev(dev);
4035 if (err) {
4036 if (netif_msg_probe(ugeth))
4037 ugeth_err("%s: Cannot register net device, aborting.",
4038 dev->name);
4039 free_netdev(dev);
4040 return err;
4041 }
4042
4043 mac_addr = of_get_mac_address(np);
4044 if (mac_addr)
4045 memcpy(dev->dev_addr, mac_addr, 6);
4046
4047 ugeth->ug_info = ug_info;
4048 ugeth->dev = dev;
4049
4050 return 0;
4051 }
4052
4053 static int ucc_geth_remove(struct of_device* ofdev)
4054 {
4055 struct device *device = &ofdev->dev;
4056 struct net_device *dev = dev_get_drvdata(device);
4057 struct ucc_geth_private *ugeth = netdev_priv(dev);
4058
4059 unregister_netdev(dev);
4060 free_netdev(dev);
4061 ucc_geth_memclean(ugeth);
4062 dev_set_drvdata(device, NULL);
4063
4064 return 0;
4065 }
4066
4067 static struct of_device_id ucc_geth_match[] = {
4068 {
4069 .type = "network",
4070 .compatible = "ucc_geth",
4071 },
4072 {},
4073 };
4074
4075 MODULE_DEVICE_TABLE(of, ucc_geth_match);
4076
4077 static struct of_platform_driver ucc_geth_driver = {
4078 .name = DRV_NAME,
4079 .match_table = ucc_geth_match,
4080 .probe = ucc_geth_probe,
4081 .remove = ucc_geth_remove,
4082 };
4083
4084 static int __init ucc_geth_init(void)
4085 {
4086 int i, ret;
4087
4088 ret = uec_mdio_init();
4089
4090 if (ret)
4091 return ret;
4092
4093 if (netif_msg_drv(&debug))
4094 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4095 for (i = 0; i < 8; i++)
4096 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4097 sizeof(ugeth_primary_info));
4098
4099 ret = of_register_platform_driver(&ucc_geth_driver);
4100
4101 if (ret)
4102 uec_mdio_exit();
4103
4104 return ret;
4105 }
4106
4107 static void __exit ucc_geth_exit(void)
4108 {
4109 of_unregister_platform_driver(&ucc_geth_driver);
4110 uec_mdio_exit();
4111 }
4112
4113 module_init(ucc_geth_init);
4114 module_exit(ucc_geth_exit);
4115
4116 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4117 MODULE_DESCRIPTION(DRV_DESC);
4118 MODULE_VERSION(DRV_VERSION);
4119 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree