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