]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright (C) Freescale Semicondutor, Inc. 2006. 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/ethtool.h> | |
27 | #include <linux/delay.h> | |
28 | #include <linux/dma-mapping.h> | |
29 | #include <linux/fsl_devices.h> | |
30 | #include <linux/ethtool.h> | |
31 | #include <linux/mii.h> | |
32 | #include <linux/workqueue.h> | |
33 | ||
34 | #include <asm/of_platform.h> | |
35 | #include <asm/uaccess.h> | |
36 | #include <asm/irq.h> | |
37 | #include <asm/io.h> | |
38 | #include <asm/immap_qe.h> | |
39 | #include <asm/qe.h> | |
40 | #include <asm/ucc.h> | |
41 | #include <asm/ucc_fast.h> | |
42 | ||
43 | #include "ucc_geth.h" | |
44 | #include "ucc_geth_phy.h" | |
45 | ||
46 | #undef DEBUG | |
47 | ||
48 | #define DRV_DESC "QE UCC Gigabit Ethernet Controller version:Sept 11, 2006" | |
49 | #define DRV_NAME "ucc_geth" | |
50 | ||
51 | #define ugeth_printk(level, format, arg...) \ | |
52 | printk(level format "\n", ## arg) | |
53 | ||
54 | #define ugeth_dbg(format, arg...) \ | |
55 | ugeth_printk(KERN_DEBUG , format , ## arg) | |
56 | #define ugeth_err(format, arg...) \ | |
57 | ugeth_printk(KERN_ERR , format , ## arg) | |
58 | #define ugeth_info(format, arg...) \ | |
59 | ugeth_printk(KERN_INFO , format , ## arg) | |
60 | #define ugeth_warn(format, arg...) \ | |
61 | ugeth_printk(KERN_WARNING , format , ## arg) | |
62 | ||
63 | #ifdef UGETH_VERBOSE_DEBUG | |
64 | #define ugeth_vdbg ugeth_dbg | |
65 | #else | |
66 | #define ugeth_vdbg(fmt, args...) do { } while (0) | |
67 | #endif /* UGETH_VERBOSE_DEBUG */ | |
68 | ||
69 | static DEFINE_SPINLOCK(ugeth_lock); | |
70 | ||
71 | static struct ucc_geth_info ugeth_primary_info = { | |
72 | .uf_info = { | |
73 | .bd_mem_part = MEM_PART_SYSTEM, | |
74 | .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES, | |
75 | .max_rx_buf_length = 1536, | |
76 | /* FIXME: should be changed in run time for 1G and 100M */ | |
77 | #ifdef CONFIG_UGETH_HAS_GIGA | |
78 | .urfs = UCC_GETH_URFS_GIGA_INIT, | |
79 | .urfet = UCC_GETH_URFET_GIGA_INIT, | |
80 | .urfset = UCC_GETH_URFSET_GIGA_INIT, | |
81 | .utfs = UCC_GETH_UTFS_GIGA_INIT, | |
82 | .utfet = UCC_GETH_UTFET_GIGA_INIT, | |
83 | .utftt = UCC_GETH_UTFTT_GIGA_INIT, | |
84 | #else | |
85 | .urfs = UCC_GETH_URFS_INIT, | |
86 | .urfet = UCC_GETH_URFET_INIT, | |
87 | .urfset = UCC_GETH_URFSET_INIT, | |
88 | .utfs = UCC_GETH_UTFS_INIT, | |
89 | .utfet = UCC_GETH_UTFET_INIT, | |
90 | .utftt = UCC_GETH_UTFTT_INIT, | |
91 | #endif | |
92 | .ufpt = 256, | |
93 | .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET, | |
94 | .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL, | |
95 | .tenc = UCC_FAST_TX_ENCODING_NRZ, | |
96 | .renc = UCC_FAST_RX_ENCODING_NRZ, | |
97 | .tcrc = UCC_FAST_16_BIT_CRC, | |
98 | .synl = UCC_FAST_SYNC_LEN_NOT_USED, | |
99 | }, | |
100 | .numQueuesTx = 1, | |
101 | .numQueuesRx = 1, | |
102 | .extendedFilteringChainPointer = ((uint32_t) NULL), | |
103 | .typeorlen = 3072 /*1536 */ , | |
104 | .nonBackToBackIfgPart1 = 0x40, | |
105 | .nonBackToBackIfgPart2 = 0x60, | |
106 | .miminumInterFrameGapEnforcement = 0x50, | |
107 | .backToBackInterFrameGap = 0x60, | |
108 | .mblinterval = 128, | |
109 | .nortsrbytetime = 5, | |
110 | .fracsiz = 1, | |
111 | .strictpriorityq = 0xff, | |
112 | .altBebTruncation = 0xa, | |
113 | .excessDefer = 1, | |
114 | .maxRetransmission = 0xf, | |
115 | .collisionWindow = 0x37, | |
116 | .receiveFlowControl = 1, | |
117 | .maxGroupAddrInHash = 4, | |
118 | .maxIndAddrInHash = 4, | |
119 | .prel = 7, | |
120 | .maxFrameLength = 1518, | |
121 | .minFrameLength = 64, | |
122 | .maxD1Length = 1520, | |
123 | .maxD2Length = 1520, | |
124 | .vlantype = 0x8100, | |
125 | .ecamptr = ((uint32_t) NULL), | |
126 | .eventRegMask = UCCE_OTHER, | |
127 | .pausePeriod = 0xf000, | |
128 | .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1}, | |
129 | .bdRingLenTx = { | |
130 | TX_BD_RING_LEN, | |
131 | TX_BD_RING_LEN, | |
132 | TX_BD_RING_LEN, | |
133 | TX_BD_RING_LEN, | |
134 | TX_BD_RING_LEN, | |
135 | TX_BD_RING_LEN, | |
136 | TX_BD_RING_LEN, | |
137 | TX_BD_RING_LEN}, | |
138 | ||
139 | .bdRingLenRx = { | |
140 | RX_BD_RING_LEN, | |
141 | RX_BD_RING_LEN, | |
142 | RX_BD_RING_LEN, | |
143 | RX_BD_RING_LEN, | |
144 | RX_BD_RING_LEN, | |
145 | RX_BD_RING_LEN, | |
146 | RX_BD_RING_LEN, | |
147 | RX_BD_RING_LEN}, | |
148 | ||
149 | .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1, | |
150 | .largestexternallookupkeysize = | |
151 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE, | |
152 | .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_NONE, | |
153 | .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP, | |
154 | .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP, | |
155 | .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT, | |
156 | .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE, | |
157 | .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC, | |
158 | .numThreadsTx = UCC_GETH_NUM_OF_THREADS_4, | |
159 | .numThreadsRx = UCC_GETH_NUM_OF_THREADS_4, | |
160 | .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, | |
161 | .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, | |
162 | }; | |
163 | ||
164 | static struct ucc_geth_info ugeth_info[8]; | |
165 | ||
166 | #ifdef DEBUG | |
167 | static void mem_disp(u8 *addr, int size) | |
168 | { | |
169 | u8 *i; | |
170 | int size16Aling = (size >> 4) << 4; | |
171 | int size4Aling = (size >> 2) << 2; | |
172 | int notAlign = 0; | |
173 | if (size % 16) | |
174 | notAlign = 1; | |
175 | ||
176 | for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16) | |
177 | printk("0x%08x: %08x %08x %08x %08x\r\n", | |
178 | (u32) i, | |
179 | *((u32 *) (i)), | |
180 | *((u32 *) (i + 4)), | |
181 | *((u32 *) (i + 8)), *((u32 *) (i + 12))); | |
182 | if (notAlign == 1) | |
183 | printk("0x%08x: ", (u32) i); | |
184 | for (; (u32) i < (u32) addr + size4Aling; i += 4) | |
185 | printk("%08x ", *((u32 *) (i))); | |
186 | for (; (u32) i < (u32) addr + size; i++) | |
187 | printk("%02x", *((u8 *) (i))); | |
188 | if (notAlign == 1) | |
189 | printk("\r\n"); | |
190 | } | |
191 | #endif /* DEBUG */ | |
192 | ||
193 | #ifdef CONFIG_UGETH_FILTERING | |
194 | static void enqueue(struct list_head *node, struct list_head *lh) | |
195 | { | |
196 | unsigned long flags; | |
197 | ||
198 | spin_lock_irqsave(&ugeth_lock, flags); | |
199 | list_add_tail(node, lh); | |
200 | spin_unlock_irqrestore(&ugeth_lock, flags); | |
201 | } | |
202 | #endif /* CONFIG_UGETH_FILTERING */ | |
203 | ||
204 | static struct list_head *dequeue(struct list_head *lh) | |
205 | { | |
206 | unsigned long flags; | |
207 | ||
208 | spin_lock_irqsave(&ugeth_lock, flags); | |
209 | if (!list_empty(lh)) { | |
210 | struct list_head *node = lh->next; | |
211 | list_del(node); | |
212 | spin_unlock_irqrestore(&ugeth_lock, flags); | |
213 | return node; | |
214 | } else { | |
215 | spin_unlock_irqrestore(&ugeth_lock, flags); | |
216 | return NULL; | |
217 | } | |
218 | } | |
219 | ||
220 | static int get_interface_details(enum enet_interface enet_interface, | |
221 | enum enet_speed *speed, | |
222 | int *r10m, | |
223 | int *rmm, | |
224 | int *rpm, | |
225 | int *tbi, int *limited_to_full_duplex) | |
226 | { | |
227 | /* Analyze enet_interface according to Interface Mode | |
228 | Configuration table */ | |
229 | switch (enet_interface) { | |
230 | case ENET_10_MII: | |
231 | *speed = ENET_SPEED_10BT; | |
232 | break; | |
233 | case ENET_10_RMII: | |
234 | *speed = ENET_SPEED_10BT; | |
235 | *r10m = 1; | |
236 | *rmm = 1; | |
237 | break; | |
238 | case ENET_10_RGMII: | |
239 | *speed = ENET_SPEED_10BT; | |
240 | *rpm = 1; | |
241 | *r10m = 1; | |
242 | *limited_to_full_duplex = 1; | |
243 | break; | |
244 | case ENET_100_MII: | |
245 | *speed = ENET_SPEED_100BT; | |
246 | break; | |
247 | case ENET_100_RMII: | |
248 | *speed = ENET_SPEED_100BT; | |
249 | *rmm = 1; | |
250 | break; | |
251 | case ENET_100_RGMII: | |
252 | *speed = ENET_SPEED_100BT; | |
253 | *rpm = 1; | |
254 | *limited_to_full_duplex = 1; | |
255 | break; | |
256 | case ENET_1000_GMII: | |
257 | *speed = ENET_SPEED_1000BT; | |
258 | *limited_to_full_duplex = 1; | |
259 | break; | |
260 | case ENET_1000_RGMII: | |
261 | *speed = ENET_SPEED_1000BT; | |
262 | *rpm = 1; | |
263 | *limited_to_full_duplex = 1; | |
264 | break; | |
265 | case ENET_1000_TBI: | |
266 | *speed = ENET_SPEED_1000BT; | |
267 | *tbi = 1; | |
268 | *limited_to_full_duplex = 1; | |
269 | break; | |
270 | case ENET_1000_RTBI: | |
271 | *speed = ENET_SPEED_1000BT; | |
272 | *rpm = 1; | |
273 | *tbi = 1; | |
274 | *limited_to_full_duplex = 1; | |
275 | break; | |
276 | default: | |
277 | return -EINVAL; | |
278 | break; | |
279 | } | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
284 | static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, u8 *bd) | |
285 | { | |
286 | struct sk_buff *skb = NULL; | |
287 | ||
288 | skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length + | |
289 | UCC_GETH_RX_DATA_BUF_ALIGNMENT); | |
290 | ||
291 | if (skb == NULL) | |
292 | return NULL; | |
293 | ||
294 | /* We need the data buffer to be aligned properly. We will reserve | |
295 | * as many bytes as needed to align the data properly | |
296 | */ | |
297 | skb_reserve(skb, | |
298 | UCC_GETH_RX_DATA_BUF_ALIGNMENT - | |
299 | (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT - | |
300 | 1))); | |
301 | ||
302 | skb->dev = ugeth->dev; | |
303 | ||
304 | out_be32(&((struct qe_bd *)bd)->buf, | |
305 | dma_map_single(NULL, | |
306 | skb->data, | |
307 | ugeth->ug_info->uf_info.max_rx_buf_length + | |
308 | UCC_GETH_RX_DATA_BUF_ALIGNMENT, | |
309 | DMA_FROM_DEVICE)); | |
310 | ||
311 | out_be32((u32 *)bd, (R_E | R_I | (in_be32((u32 *)bd) & R_W))); | |
312 | ||
313 | return skb; | |
314 | } | |
315 | ||
316 | static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ) | |
317 | { | |
318 | u8 *bd; | |
319 | u32 bd_status; | |
320 | struct sk_buff *skb; | |
321 | int i; | |
322 | ||
323 | bd = ugeth->p_rx_bd_ring[rxQ]; | |
324 | i = 0; | |
325 | ||
326 | do { | |
327 | bd_status = in_be32((u32*)bd); | |
328 | skb = get_new_skb(ugeth, bd); | |
329 | ||
330 | if (!skb) /* If can not allocate data buffer, | |
331 | abort. Cleanup will be elsewhere */ | |
332 | return -ENOMEM; | |
333 | ||
334 | ugeth->rx_skbuff[rxQ][i] = skb; | |
335 | ||
336 | /* advance the BD pointer */ | |
337 | bd += sizeof(struct qe_bd); | |
338 | i++; | |
339 | } while (!(bd_status & R_W)); | |
340 | ||
341 | return 0; | |
342 | } | |
343 | ||
344 | static int fill_init_enet_entries(struct ucc_geth_private *ugeth, | |
345 | volatile u32 *p_start, | |
346 | u8 num_entries, | |
347 | u32 thread_size, | |
348 | u32 thread_alignment, | |
349 | enum qe_risc_allocation risc, | |
350 | int skip_page_for_first_entry) | |
351 | { | |
352 | u32 init_enet_offset; | |
353 | u8 i; | |
354 | int snum; | |
355 | ||
356 | for (i = 0; i < num_entries; i++) { | |
357 | if ((snum = qe_get_snum()) < 0) { | |
358 | ugeth_err("fill_init_enet_entries: Can not get SNUM."); | |
359 | return snum; | |
360 | } | |
361 | if ((i == 0) && skip_page_for_first_entry) | |
362 | /* First entry of Rx does not have page */ | |
363 | init_enet_offset = 0; | |
364 | else { | |
365 | init_enet_offset = | |
366 | qe_muram_alloc(thread_size, thread_alignment); | |
367 | if (IS_MURAM_ERR(init_enet_offset)) { | |
368 | ugeth_err | |
369 | ("fill_init_enet_entries: Can not allocate DPRAM memory."); | |
370 | qe_put_snum((u8) snum); | |
371 | return -ENOMEM; | |
372 | } | |
373 | } | |
374 | *(p_start++) = | |
375 | ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset | |
376 | | risc; | |
377 | } | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | static int return_init_enet_entries(struct ucc_geth_private *ugeth, | |
383 | volatile u32 *p_start, | |
384 | u8 num_entries, | |
385 | enum qe_risc_allocation risc, | |
386 | int skip_page_for_first_entry) | |
387 | { | |
388 | u32 init_enet_offset; | |
389 | u8 i; | |
390 | int snum; | |
391 | ||
392 | for (i = 0; i < num_entries; i++) { | |
393 | /* Check that this entry was actually valid -- | |
394 | needed in case failed in allocations */ | |
395 | if ((*p_start & ENET_INIT_PARAM_RISC_MASK) == risc) { | |
396 | snum = | |
397 | (u32) (*p_start & ENET_INIT_PARAM_SNUM_MASK) >> | |
398 | ENET_INIT_PARAM_SNUM_SHIFT; | |
399 | qe_put_snum((u8) snum); | |
400 | if (!((i == 0) && skip_page_for_first_entry)) { | |
401 | /* First entry of Rx does not have page */ | |
402 | init_enet_offset = | |
403 | (in_be32(p_start) & | |
404 | ENET_INIT_PARAM_PTR_MASK); | |
405 | qe_muram_free(init_enet_offset); | |
406 | } | |
407 | *(p_start++) = 0; /* Just for cosmetics */ | |
408 | } | |
409 | } | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
414 | #ifdef DEBUG | |
415 | static int dump_init_enet_entries(struct ucc_geth_private *ugeth, | |
416 | volatile u32 *p_start, | |
417 | u8 num_entries, | |
418 | u32 thread_size, | |
419 | enum qe_risc_allocation risc, | |
420 | int skip_page_for_first_entry) | |
421 | { | |
422 | u32 init_enet_offset; | |
423 | u8 i; | |
424 | int snum; | |
425 | ||
426 | for (i = 0; i < num_entries; i++) { | |
427 | /* Check that this entry was actually valid -- | |
428 | needed in case failed in allocations */ | |
429 | if ((*p_start & ENET_INIT_PARAM_RISC_MASK) == risc) { | |
430 | snum = | |
431 | (u32) (*p_start & ENET_INIT_PARAM_SNUM_MASK) >> | |
432 | ENET_INIT_PARAM_SNUM_SHIFT; | |
433 | qe_put_snum((u8) snum); | |
434 | if (!((i == 0) && skip_page_for_first_entry)) { | |
435 | /* First entry of Rx does not have page */ | |
436 | init_enet_offset = | |
437 | (in_be32(p_start) & | |
438 | ENET_INIT_PARAM_PTR_MASK); | |
439 | ugeth_info("Init enet entry %d:", i); | |
440 | ugeth_info("Base address: 0x%08x", | |
441 | (u32) | |
442 | qe_muram_addr(init_enet_offset)); | |
443 | mem_disp(qe_muram_addr(init_enet_offset), | |
444 | thread_size); | |
445 | } | |
446 | p_start++; | |
447 | } | |
448 | } | |
449 | ||
450 | return 0; | |
451 | } | |
452 | #endif | |
453 | ||
454 | #ifdef CONFIG_UGETH_FILTERING | |
455 | static struct enet_addr_container *get_enet_addr_container(void) | |
456 | { | |
457 | struct enet_addr_container *enet_addr_cont; | |
458 | ||
459 | /* allocate memory */ | |
460 | enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL); | |
461 | if (!enet_addr_cont) { | |
462 | ugeth_err("%s: No memory for enet_addr_container object.", | |
463 | __FUNCTION__); | |
464 | return NULL; | |
465 | } | |
466 | ||
467 | return enet_addr_cont; | |
468 | } | |
469 | #endif /* CONFIG_UGETH_FILTERING */ | |
470 | ||
471 | static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont) | |
472 | { | |
473 | kfree(enet_addr_cont); | |
474 | } | |
475 | ||
476 | static void set_mac_addr(__be16 __iomem *reg, u8 *mac) | |
477 | { | |
478 | out_be16(®[0], ((u16)mac[5] << 8) | mac[4]); | |
479 | out_be16(®[1], ((u16)mac[3] << 8) | mac[2]); | |
480 | out_be16(®[2], ((u16)mac[1] << 8) | mac[0]); | |
481 | } | |
482 | ||
483 | #ifdef CONFIG_UGETH_FILTERING | |
484 | static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth, | |
485 | u8 *p_enet_addr, u8 paddr_num) | |
486 | { | |
487 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
488 | ||
489 | if (!(paddr_num < NUM_OF_PADDRS)) { | |
490 | ugeth_warn("%s: Illegal paddr_num.", __FUNCTION__); | |
491 | return -EINVAL; | |
492 | } | |
493 | ||
494 | p_82xx_addr_filt = | |
495 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> | |
496 | addressfiltering; | |
497 | ||
498 | /* Ethernet frames are defined in Little Endian mode, */ | |
499 | /* therefore to insert the address we reverse the bytes. */ | |
500 | set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr); | |
501 | return 0; | |
502 | } | |
503 | #endif /* CONFIG_UGETH_FILTERING */ | |
504 | ||
505 | static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num) | |
506 | { | |
507 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
508 | ||
509 | if (!(paddr_num < NUM_OF_PADDRS)) { | |
510 | ugeth_warn("%s: Illagel paddr_num.", __FUNCTION__); | |
511 | return -EINVAL; | |
512 | } | |
513 | ||
514 | p_82xx_addr_filt = | |
515 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> | |
516 | addressfiltering; | |
517 | ||
518 | /* Writing address ff.ff.ff.ff.ff.ff disables address | |
519 | recognition for this register */ | |
520 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff); | |
521 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff); | |
522 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff); | |
523 | ||
524 | return 0; | |
525 | } | |
526 | ||
527 | static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth, | |
528 | u8 *p_enet_addr) | |
529 | { | |
530 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
531 | u32 cecr_subblock; | |
532 | ||
533 | p_82xx_addr_filt = | |
534 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> | |
535 | addressfiltering; | |
536 | ||
537 | cecr_subblock = | |
538 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
539 | ||
540 | /* Ethernet frames are defined in Little Endian mode, | |
541 | therefor to insert */ | |
542 | /* the address to the hash (Big Endian mode), we reverse the bytes.*/ | |
543 | ||
544 | set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr); | |
545 | ||
546 | qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock, | |
547 | QE_CR_PROTOCOL_ETHERNET, 0); | |
548 | } | |
549 | ||
550 | #ifdef CONFIG_UGETH_MAGIC_PACKET | |
551 | static void magic_packet_detection_enable(struct ucc_geth_private *ugeth) | |
552 | { | |
553 | struct ucc_fast_private *uccf; | |
554 | struct ucc_geth *ug_regs; | |
555 | u32 maccfg2, uccm; | |
556 | ||
557 | uccf = ugeth->uccf; | |
558 | ug_regs = ugeth->ug_regs; | |
559 | ||
560 | /* Enable interrupts for magic packet detection */ | |
561 | uccm = in_be32(uccf->p_uccm); | |
562 | uccm |= UCCE_MPD; | |
563 | out_be32(uccf->p_uccm, uccm); | |
564 | ||
565 | /* Enable magic packet detection */ | |
566 | maccfg2 = in_be32(&ug_regs->maccfg2); | |
567 | maccfg2 |= MACCFG2_MPE; | |
568 | out_be32(&ug_regs->maccfg2, maccfg2); | |
569 | } | |
570 | ||
571 | static void magic_packet_detection_disable(struct ucc_geth_private *ugeth) | |
572 | { | |
573 | struct ucc_fast_private *uccf; | |
574 | struct ucc_geth *ug_regs; | |
575 | u32 maccfg2, uccm; | |
576 | ||
577 | uccf = ugeth->uccf; | |
578 | ug_regs = ugeth->ug_regs; | |
579 | ||
580 | /* Disable interrupts for magic packet detection */ | |
581 | uccm = in_be32(uccf->p_uccm); | |
582 | uccm &= ~UCCE_MPD; | |
583 | out_be32(uccf->p_uccm, uccm); | |
584 | ||
585 | /* Disable magic packet detection */ | |
586 | maccfg2 = in_be32(&ug_regs->maccfg2); | |
587 | maccfg2 &= ~MACCFG2_MPE; | |
588 | out_be32(&ug_regs->maccfg2, maccfg2); | |
589 | } | |
590 | #endif /* MAGIC_PACKET */ | |
591 | ||
592 | static inline int compare_addr(u8 **addr1, u8 **addr2) | |
593 | { | |
594 | return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS); | |
595 | } | |
596 | ||
597 | #ifdef DEBUG | |
598 | static void get_statistics(struct ucc_geth_private *ugeth, | |
599 | struct ucc_geth_tx_firmware_statistics * | |
600 | tx_firmware_statistics, | |
601 | struct ucc_geth_rx_firmware_statistics * | |
602 | rx_firmware_statistics, | |
603 | struct ucc_geth_hardware_statistics *hardware_statistics) | |
604 | { | |
605 | struct ucc_fast *uf_regs; | |
606 | struct ucc_geth *ug_regs; | |
607 | struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram; | |
608 | struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram; | |
609 | ||
610 | ug_regs = ugeth->ug_regs; | |
611 | uf_regs = (struct ucc_fast *) ug_regs; | |
612 | p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram; | |
613 | p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram; | |
614 | ||
615 | /* Tx firmware only if user handed pointer and driver actually | |
616 | gathers Tx firmware statistics */ | |
617 | if (tx_firmware_statistics && p_tx_fw_statistics_pram) { | |
618 | tx_firmware_statistics->sicoltx = | |
619 | in_be32(&p_tx_fw_statistics_pram->sicoltx); | |
620 | tx_firmware_statistics->mulcoltx = | |
621 | in_be32(&p_tx_fw_statistics_pram->mulcoltx); | |
622 | tx_firmware_statistics->latecoltxfr = | |
623 | in_be32(&p_tx_fw_statistics_pram->latecoltxfr); | |
624 | tx_firmware_statistics->frabortduecol = | |
625 | in_be32(&p_tx_fw_statistics_pram->frabortduecol); | |
626 | tx_firmware_statistics->frlostinmactxer = | |
627 | in_be32(&p_tx_fw_statistics_pram->frlostinmactxer); | |
628 | tx_firmware_statistics->carriersenseertx = | |
629 | in_be32(&p_tx_fw_statistics_pram->carriersenseertx); | |
630 | tx_firmware_statistics->frtxok = | |
631 | in_be32(&p_tx_fw_statistics_pram->frtxok); | |
632 | tx_firmware_statistics->txfrexcessivedefer = | |
633 | in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer); | |
634 | tx_firmware_statistics->txpkts256 = | |
635 | in_be32(&p_tx_fw_statistics_pram->txpkts256); | |
636 | tx_firmware_statistics->txpkts512 = | |
637 | in_be32(&p_tx_fw_statistics_pram->txpkts512); | |
638 | tx_firmware_statistics->txpkts1024 = | |
639 | in_be32(&p_tx_fw_statistics_pram->txpkts1024); | |
640 | tx_firmware_statistics->txpktsjumbo = | |
641 | in_be32(&p_tx_fw_statistics_pram->txpktsjumbo); | |
642 | } | |
643 | ||
644 | /* Rx firmware only if user handed pointer and driver actually | |
645 | * gathers Rx firmware statistics */ | |
646 | if (rx_firmware_statistics && p_rx_fw_statistics_pram) { | |
647 | int i; | |
648 | rx_firmware_statistics->frrxfcser = | |
649 | in_be32(&p_rx_fw_statistics_pram->frrxfcser); | |
650 | rx_firmware_statistics->fraligner = | |
651 | in_be32(&p_rx_fw_statistics_pram->fraligner); | |
652 | rx_firmware_statistics->inrangelenrxer = | |
653 | in_be32(&p_rx_fw_statistics_pram->inrangelenrxer); | |
654 | rx_firmware_statistics->outrangelenrxer = | |
655 | in_be32(&p_rx_fw_statistics_pram->outrangelenrxer); | |
656 | rx_firmware_statistics->frtoolong = | |
657 | in_be32(&p_rx_fw_statistics_pram->frtoolong); | |
658 | rx_firmware_statistics->runt = | |
659 | in_be32(&p_rx_fw_statistics_pram->runt); | |
660 | rx_firmware_statistics->verylongevent = | |
661 | in_be32(&p_rx_fw_statistics_pram->verylongevent); | |
662 | rx_firmware_statistics->symbolerror = | |
663 | in_be32(&p_rx_fw_statistics_pram->symbolerror); | |
664 | rx_firmware_statistics->dropbsy = | |
665 | in_be32(&p_rx_fw_statistics_pram->dropbsy); | |
666 | for (i = 0; i < 0x8; i++) | |
667 | rx_firmware_statistics->res0[i] = | |
668 | p_rx_fw_statistics_pram->res0[i]; | |
669 | rx_firmware_statistics->mismatchdrop = | |
670 | in_be32(&p_rx_fw_statistics_pram->mismatchdrop); | |
671 | rx_firmware_statistics->underpkts = | |
672 | in_be32(&p_rx_fw_statistics_pram->underpkts); | |
673 | rx_firmware_statistics->pkts256 = | |
674 | in_be32(&p_rx_fw_statistics_pram->pkts256); | |
675 | rx_firmware_statistics->pkts512 = | |
676 | in_be32(&p_rx_fw_statistics_pram->pkts512); | |
677 | rx_firmware_statistics->pkts1024 = | |
678 | in_be32(&p_rx_fw_statistics_pram->pkts1024); | |
679 | rx_firmware_statistics->pktsjumbo = | |
680 | in_be32(&p_rx_fw_statistics_pram->pktsjumbo); | |
681 | rx_firmware_statistics->frlossinmacer = | |
682 | in_be32(&p_rx_fw_statistics_pram->frlossinmacer); | |
683 | rx_firmware_statistics->pausefr = | |
684 | in_be32(&p_rx_fw_statistics_pram->pausefr); | |
685 | for (i = 0; i < 0x4; i++) | |
686 | rx_firmware_statistics->res1[i] = | |
687 | p_rx_fw_statistics_pram->res1[i]; | |
688 | rx_firmware_statistics->removevlan = | |
689 | in_be32(&p_rx_fw_statistics_pram->removevlan); | |
690 | rx_firmware_statistics->replacevlan = | |
691 | in_be32(&p_rx_fw_statistics_pram->replacevlan); | |
692 | rx_firmware_statistics->insertvlan = | |
693 | in_be32(&p_rx_fw_statistics_pram->insertvlan); | |
694 | } | |
695 | ||
696 | /* Hardware only if user handed pointer and driver actually | |
697 | gathers hardware statistics */ | |
698 | if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) { | |
699 | hardware_statistics->tx64 = in_be32(&ug_regs->tx64); | |
700 | hardware_statistics->tx127 = in_be32(&ug_regs->tx127); | |
701 | hardware_statistics->tx255 = in_be32(&ug_regs->tx255); | |
702 | hardware_statistics->rx64 = in_be32(&ug_regs->rx64); | |
703 | hardware_statistics->rx127 = in_be32(&ug_regs->rx127); | |
704 | hardware_statistics->rx255 = in_be32(&ug_regs->rx255); | |
705 | hardware_statistics->txok = in_be32(&ug_regs->txok); | |
706 | hardware_statistics->txcf = in_be16(&ug_regs->txcf); | |
707 | hardware_statistics->tmca = in_be32(&ug_regs->tmca); | |
708 | hardware_statistics->tbca = in_be32(&ug_regs->tbca); | |
709 | hardware_statistics->rxfok = in_be32(&ug_regs->rxfok); | |
710 | hardware_statistics->rxbok = in_be32(&ug_regs->rxbok); | |
711 | hardware_statistics->rbyt = in_be32(&ug_regs->rbyt); | |
712 | hardware_statistics->rmca = in_be32(&ug_regs->rmca); | |
713 | hardware_statistics->rbca = in_be32(&ug_regs->rbca); | |
714 | } | |
715 | } | |
716 | ||
717 | static void dump_bds(struct ucc_geth_private *ugeth) | |
718 | { | |
719 | int i; | |
720 | int length; | |
721 | ||
722 | for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { | |
723 | if (ugeth->p_tx_bd_ring[i]) { | |
724 | length = | |
725 | (ugeth->ug_info->bdRingLenTx[i] * | |
726 | sizeof(struct qe_bd)); | |
727 | ugeth_info("TX BDs[%d]", i); | |
728 | mem_disp(ugeth->p_tx_bd_ring[i], length); | |
729 | } | |
730 | } | |
731 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { | |
732 | if (ugeth->p_rx_bd_ring[i]) { | |
733 | length = | |
734 | (ugeth->ug_info->bdRingLenRx[i] * | |
735 | sizeof(struct qe_bd)); | |
736 | ugeth_info("RX BDs[%d]", i); | |
737 | mem_disp(ugeth->p_rx_bd_ring[i], length); | |
738 | } | |
739 | } | |
740 | } | |
741 | ||
742 | static void dump_regs(struct ucc_geth_private *ugeth) | |
743 | { | |
744 | int i; | |
745 | ||
746 | ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num); | |
747 | ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs); | |
748 | ||
749 | ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x", | |
750 | (u32) & ugeth->ug_regs->maccfg1, | |
751 | in_be32(&ugeth->ug_regs->maccfg1)); | |
752 | ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x", | |
753 | (u32) & ugeth->ug_regs->maccfg2, | |
754 | in_be32(&ugeth->ug_regs->maccfg2)); | |
755 | ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x", | |
756 | (u32) & ugeth->ug_regs->ipgifg, | |
757 | in_be32(&ugeth->ug_regs->ipgifg)); | |
758 | ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x", | |
759 | (u32) & ugeth->ug_regs->hafdup, | |
760 | in_be32(&ugeth->ug_regs->hafdup)); | |
761 | ugeth_info("miimcfg : addr - 0x%08x, val - 0x%08x", | |
762 | (u32) & ugeth->ug_regs->miimng.miimcfg, | |
763 | in_be32(&ugeth->ug_regs->miimng.miimcfg)); | |
764 | ugeth_info("miimcom : addr - 0x%08x, val - 0x%08x", | |
765 | (u32) & ugeth->ug_regs->miimng.miimcom, | |
766 | in_be32(&ugeth->ug_regs->miimng.miimcom)); | |
767 | ugeth_info("miimadd : addr - 0x%08x, val - 0x%08x", | |
768 | (u32) & ugeth->ug_regs->miimng.miimadd, | |
769 | in_be32(&ugeth->ug_regs->miimng.miimadd)); | |
770 | ugeth_info("miimcon : addr - 0x%08x, val - 0x%08x", | |
771 | (u32) & ugeth->ug_regs->miimng.miimcon, | |
772 | in_be32(&ugeth->ug_regs->miimng.miimcon)); | |
773 | ugeth_info("miimstat : addr - 0x%08x, val - 0x%08x", | |
774 | (u32) & ugeth->ug_regs->miimng.miimstat, | |
775 | in_be32(&ugeth->ug_regs->miimng.miimstat)); | |
776 | ugeth_info("miimmind : addr - 0x%08x, val - 0x%08x", | |
777 | (u32) & ugeth->ug_regs->miimng.miimind, | |
778 | in_be32(&ugeth->ug_regs->miimng.miimind)); | |
779 | ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x", | |
780 | (u32) & ugeth->ug_regs->ifctl, | |
781 | in_be32(&ugeth->ug_regs->ifctl)); | |
782 | ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x", | |
783 | (u32) & ugeth->ug_regs->ifstat, | |
784 | in_be32(&ugeth->ug_regs->ifstat)); | |
785 | ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x", | |
786 | (u32) & ugeth->ug_regs->macstnaddr1, | |
787 | in_be32(&ugeth->ug_regs->macstnaddr1)); | |
788 | ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x", | |
789 | (u32) & ugeth->ug_regs->macstnaddr2, | |
790 | in_be32(&ugeth->ug_regs->macstnaddr2)); | |
791 | ugeth_info("uempr : addr - 0x%08x, val - 0x%08x", | |
792 | (u32) & ugeth->ug_regs->uempr, | |
793 | in_be32(&ugeth->ug_regs->uempr)); | |
794 | ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x", | |
795 | (u32) & ugeth->ug_regs->utbipar, | |
796 | in_be32(&ugeth->ug_regs->utbipar)); | |
797 | ugeth_info("uescr : addr - 0x%08x, val - 0x%04x", | |
798 | (u32) & ugeth->ug_regs->uescr, | |
799 | in_be16(&ugeth->ug_regs->uescr)); | |
800 | ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x", | |
801 | (u32) & ugeth->ug_regs->tx64, | |
802 | in_be32(&ugeth->ug_regs->tx64)); | |
803 | ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x", | |
804 | (u32) & ugeth->ug_regs->tx127, | |
805 | in_be32(&ugeth->ug_regs->tx127)); | |
806 | ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x", | |
807 | (u32) & ugeth->ug_regs->tx255, | |
808 | in_be32(&ugeth->ug_regs->tx255)); | |
809 | ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x", | |
810 | (u32) & ugeth->ug_regs->rx64, | |
811 | in_be32(&ugeth->ug_regs->rx64)); | |
812 | ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x", | |
813 | (u32) & ugeth->ug_regs->rx127, | |
814 | in_be32(&ugeth->ug_regs->rx127)); | |
815 | ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x", | |
816 | (u32) & ugeth->ug_regs->rx255, | |
817 | in_be32(&ugeth->ug_regs->rx255)); | |
818 | ugeth_info("txok : addr - 0x%08x, val - 0x%08x", | |
819 | (u32) & ugeth->ug_regs->txok, | |
820 | in_be32(&ugeth->ug_regs->txok)); | |
821 | ugeth_info("txcf : addr - 0x%08x, val - 0x%04x", | |
822 | (u32) & ugeth->ug_regs->txcf, | |
823 | in_be16(&ugeth->ug_regs->txcf)); | |
824 | ugeth_info("tmca : addr - 0x%08x, val - 0x%08x", | |
825 | (u32) & ugeth->ug_regs->tmca, | |
826 | in_be32(&ugeth->ug_regs->tmca)); | |
827 | ugeth_info("tbca : addr - 0x%08x, val - 0x%08x", | |
828 | (u32) & ugeth->ug_regs->tbca, | |
829 | in_be32(&ugeth->ug_regs->tbca)); | |
830 | ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x", | |
831 | (u32) & ugeth->ug_regs->rxfok, | |
832 | in_be32(&ugeth->ug_regs->rxfok)); | |
833 | ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x", | |
834 | (u32) & ugeth->ug_regs->rxbok, | |
835 | in_be32(&ugeth->ug_regs->rxbok)); | |
836 | ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x", | |
837 | (u32) & ugeth->ug_regs->rbyt, | |
838 | in_be32(&ugeth->ug_regs->rbyt)); | |
839 | ugeth_info("rmca : addr - 0x%08x, val - 0x%08x", | |
840 | (u32) & ugeth->ug_regs->rmca, | |
841 | in_be32(&ugeth->ug_regs->rmca)); | |
842 | ugeth_info("rbca : addr - 0x%08x, val - 0x%08x", | |
843 | (u32) & ugeth->ug_regs->rbca, | |
844 | in_be32(&ugeth->ug_regs->rbca)); | |
845 | ugeth_info("scar : addr - 0x%08x, val - 0x%08x", | |
846 | (u32) & ugeth->ug_regs->scar, | |
847 | in_be32(&ugeth->ug_regs->scar)); | |
848 | ugeth_info("scam : addr - 0x%08x, val - 0x%08x", | |
849 | (u32) & ugeth->ug_regs->scam, | |
850 | in_be32(&ugeth->ug_regs->scam)); | |
851 | ||
852 | if (ugeth->p_thread_data_tx) { | |
853 | int numThreadsTxNumerical; | |
854 | switch (ugeth->ug_info->numThreadsTx) { | |
855 | case UCC_GETH_NUM_OF_THREADS_1: | |
856 | numThreadsTxNumerical = 1; | |
857 | break; | |
858 | case UCC_GETH_NUM_OF_THREADS_2: | |
859 | numThreadsTxNumerical = 2; | |
860 | break; | |
861 | case UCC_GETH_NUM_OF_THREADS_4: | |
862 | numThreadsTxNumerical = 4; | |
863 | break; | |
864 | case UCC_GETH_NUM_OF_THREADS_6: | |
865 | numThreadsTxNumerical = 6; | |
866 | break; | |
867 | case UCC_GETH_NUM_OF_THREADS_8: | |
868 | numThreadsTxNumerical = 8; | |
869 | break; | |
870 | default: | |
871 | numThreadsTxNumerical = 0; | |
872 | break; | |
873 | } | |
874 | ||
875 | ugeth_info("Thread data TXs:"); | |
876 | ugeth_info("Base address: 0x%08x", | |
877 | (u32) ugeth->p_thread_data_tx); | |
878 | for (i = 0; i < numThreadsTxNumerical; i++) { | |
879 | ugeth_info("Thread data TX[%d]:", i); | |
880 | ugeth_info("Base address: 0x%08x", | |
881 | (u32) & ugeth->p_thread_data_tx[i]); | |
882 | mem_disp((u8 *) & ugeth->p_thread_data_tx[i], | |
883 | sizeof(struct ucc_geth_thread_data_tx)); | |
884 | } | |
885 | } | |
886 | if (ugeth->p_thread_data_rx) { | |
887 | int numThreadsRxNumerical; | |
888 | switch (ugeth->ug_info->numThreadsRx) { | |
889 | case UCC_GETH_NUM_OF_THREADS_1: | |
890 | numThreadsRxNumerical = 1; | |
891 | break; | |
892 | case UCC_GETH_NUM_OF_THREADS_2: | |
893 | numThreadsRxNumerical = 2; | |
894 | break; | |
895 | case UCC_GETH_NUM_OF_THREADS_4: | |
896 | numThreadsRxNumerical = 4; | |
897 | break; | |
898 | case UCC_GETH_NUM_OF_THREADS_6: | |
899 | numThreadsRxNumerical = 6; | |
900 | break; | |
901 | case UCC_GETH_NUM_OF_THREADS_8: | |
902 | numThreadsRxNumerical = 8; | |
903 | break; | |
904 | default: | |
905 | numThreadsRxNumerical = 0; | |
906 | break; | |
907 | } | |
908 | ||
909 | ugeth_info("Thread data RX:"); | |
910 | ugeth_info("Base address: 0x%08x", | |
911 | (u32) ugeth->p_thread_data_rx); | |
912 | for (i = 0; i < numThreadsRxNumerical; i++) { | |
913 | ugeth_info("Thread data RX[%d]:", i); | |
914 | ugeth_info("Base address: 0x%08x", | |
915 | (u32) & ugeth->p_thread_data_rx[i]); | |
916 | mem_disp((u8 *) & ugeth->p_thread_data_rx[i], | |
917 | sizeof(struct ucc_geth_thread_data_rx)); | |
918 | } | |
919 | } | |
920 | if (ugeth->p_exf_glbl_param) { | |
921 | ugeth_info("EXF global param:"); | |
922 | ugeth_info("Base address: 0x%08x", | |
923 | (u32) ugeth->p_exf_glbl_param); | |
924 | mem_disp((u8 *) ugeth->p_exf_glbl_param, | |
925 | sizeof(*ugeth->p_exf_glbl_param)); | |
926 | } | |
927 | if (ugeth->p_tx_glbl_pram) { | |
928 | ugeth_info("TX global param:"); | |
929 | ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram); | |
930 | ugeth_info("temoder : addr - 0x%08x, val - 0x%04x", | |
931 | (u32) & ugeth->p_tx_glbl_pram->temoder, | |
932 | in_be16(&ugeth->p_tx_glbl_pram->temoder)); | |
933 | ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x", | |
934 | (u32) & ugeth->p_tx_glbl_pram->sqptr, | |
935 | in_be32(&ugeth->p_tx_glbl_pram->sqptr)); | |
936 | ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x", | |
937 | (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer, | |
938 | in_be32(&ugeth->p_tx_glbl_pram-> | |
939 | schedulerbasepointer)); | |
940 | ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x", | |
941 | (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr, | |
942 | in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr)); | |
943 | ugeth_info("tstate : addr - 0x%08x, val - 0x%08x", | |
944 | (u32) & ugeth->p_tx_glbl_pram->tstate, | |
945 | in_be32(&ugeth->p_tx_glbl_pram->tstate)); | |
946 | ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x", | |
947 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[0], | |
948 | ugeth->p_tx_glbl_pram->iphoffset[0]); | |
949 | ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x", | |
950 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[1], | |
951 | ugeth->p_tx_glbl_pram->iphoffset[1]); | |
952 | ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x", | |
953 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[2], | |
954 | ugeth->p_tx_glbl_pram->iphoffset[2]); | |
955 | ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x", | |
956 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[3], | |
957 | ugeth->p_tx_glbl_pram->iphoffset[3]); | |
958 | ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x", | |
959 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[4], | |
960 | ugeth->p_tx_glbl_pram->iphoffset[4]); | |
961 | ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x", | |
962 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[5], | |
963 | ugeth->p_tx_glbl_pram->iphoffset[5]); | |
964 | ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x", | |
965 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[6], | |
966 | ugeth->p_tx_glbl_pram->iphoffset[6]); | |
967 | ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x", | |
968 | (u32) & ugeth->p_tx_glbl_pram->iphoffset[7], | |
969 | ugeth->p_tx_glbl_pram->iphoffset[7]); | |
970 | ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x", | |
971 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[0], | |
972 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0])); | |
973 | ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x", | |
974 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[1], | |
975 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1])); | |
976 | ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x", | |
977 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[2], | |
978 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2])); | |
979 | ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x", | |
980 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[3], | |
981 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3])); | |
982 | ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x", | |
983 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[4], | |
984 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4])); | |
985 | ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x", | |
986 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[5], | |
987 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5])); | |
988 | ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x", | |
989 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[6], | |
990 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6])); | |
991 | ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x", | |
992 | (u32) & ugeth->p_tx_glbl_pram->vtagtable[7], | |
993 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7])); | |
994 | ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x", | |
995 | (u32) & ugeth->p_tx_glbl_pram->tqptr, | |
996 | in_be32(&ugeth->p_tx_glbl_pram->tqptr)); | |
997 | } | |
998 | if (ugeth->p_rx_glbl_pram) { | |
999 | ugeth_info("RX global param:"); | |
1000 | ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram); | |
1001 | ugeth_info("remoder : addr - 0x%08x, val - 0x%08x", | |
1002 | (u32) & ugeth->p_rx_glbl_pram->remoder, | |
1003 | in_be32(&ugeth->p_rx_glbl_pram->remoder)); | |
1004 | ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x", | |
1005 | (u32) & ugeth->p_rx_glbl_pram->rqptr, | |
1006 | in_be32(&ugeth->p_rx_glbl_pram->rqptr)); | |
1007 | ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x", | |
1008 | (u32) & ugeth->p_rx_glbl_pram->typeorlen, | |
1009 | in_be16(&ugeth->p_rx_glbl_pram->typeorlen)); | |
1010 | ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x", | |
1011 | (u32) & ugeth->p_rx_glbl_pram->rxgstpack, | |
1012 | ugeth->p_rx_glbl_pram->rxgstpack); | |
1013 | ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x", | |
1014 | (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr, | |
1015 | in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr)); | |
1016 | ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x", | |
1017 | (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr, | |
1018 | in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr)); | |
1019 | ugeth_info("rstate : addr - 0x%08x, val - 0x%02x", | |
1020 | (u32) & ugeth->p_rx_glbl_pram->rstate, | |
1021 | ugeth->p_rx_glbl_pram->rstate); | |
1022 | ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x", | |
1023 | (u32) & ugeth->p_rx_glbl_pram->mrblr, | |
1024 | in_be16(&ugeth->p_rx_glbl_pram->mrblr)); | |
1025 | ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x", | |
1026 | (u32) & ugeth->p_rx_glbl_pram->rbdqptr, | |
1027 | in_be32(&ugeth->p_rx_glbl_pram->rbdqptr)); | |
1028 | ugeth_info("mflr : addr - 0x%08x, val - 0x%04x", | |
1029 | (u32) & ugeth->p_rx_glbl_pram->mflr, | |
1030 | in_be16(&ugeth->p_rx_glbl_pram->mflr)); | |
1031 | ugeth_info("minflr : addr - 0x%08x, val - 0x%04x", | |
1032 | (u32) & ugeth->p_rx_glbl_pram->minflr, | |
1033 | in_be16(&ugeth->p_rx_glbl_pram->minflr)); | |
1034 | ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x", | |
1035 | (u32) & ugeth->p_rx_glbl_pram->maxd1, | |
1036 | in_be16(&ugeth->p_rx_glbl_pram->maxd1)); | |
1037 | ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x", | |
1038 | (u32) & ugeth->p_rx_glbl_pram->maxd2, | |
1039 | in_be16(&ugeth->p_rx_glbl_pram->maxd2)); | |
1040 | ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x", | |
1041 | (u32) & ugeth->p_rx_glbl_pram->ecamptr, | |
1042 | in_be32(&ugeth->p_rx_glbl_pram->ecamptr)); | |
1043 | ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x", | |
1044 | (u32) & ugeth->p_rx_glbl_pram->l2qt, | |
1045 | in_be32(&ugeth->p_rx_glbl_pram->l2qt)); | |
1046 | ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x", | |
1047 | (u32) & ugeth->p_rx_glbl_pram->l3qt[0], | |
1048 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[0])); | |
1049 | ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x", | |
1050 | (u32) & ugeth->p_rx_glbl_pram->l3qt[1], | |
1051 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[1])); | |
1052 | ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x", | |
1053 | (u32) & ugeth->p_rx_glbl_pram->l3qt[2], | |
1054 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[2])); | |
1055 | ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x", | |
1056 | (u32) & ugeth->p_rx_glbl_pram->l3qt[3], | |
1057 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[3])); | |
1058 | ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x", | |
1059 | (u32) & ugeth->p_rx_glbl_pram->l3qt[4], | |
1060 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[4])); | |
1061 | ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x", | |
1062 | (u32) & ugeth->p_rx_glbl_pram->l3qt[5], | |
1063 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[5])); | |
1064 | ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x", | |
1065 | (u32) & ugeth->p_rx_glbl_pram->l3qt[6], | |
1066 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[6])); | |
1067 | ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x", | |
1068 | (u32) & ugeth->p_rx_glbl_pram->l3qt[7], | |
1069 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[7])); | |
1070 | ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x", | |
1071 | (u32) & ugeth->p_rx_glbl_pram->vlantype, | |
1072 | in_be16(&ugeth->p_rx_glbl_pram->vlantype)); | |
1073 | ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x", | |
1074 | (u32) & ugeth->p_rx_glbl_pram->vlantci, | |
1075 | in_be16(&ugeth->p_rx_glbl_pram->vlantci)); | |
1076 | for (i = 0; i < 64; i++) | |
1077 | ugeth_info | |
1078 | ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x", | |
1079 | i, | |
1080 | (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i], | |
1081 | ugeth->p_rx_glbl_pram->addressfiltering[i]); | |
1082 | ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x", | |
1083 | (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam, | |
1084 | in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam)); | |
1085 | } | |
1086 | if (ugeth->p_send_q_mem_reg) { | |
1087 | ugeth_info("Send Q memory registers:"); | |
1088 | ugeth_info("Base address: 0x%08x", | |
1089 | (u32) ugeth->p_send_q_mem_reg); | |
1090 | for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { | |
1091 | ugeth_info("SQQD[%d]:", i); | |
1092 | ugeth_info("Base address: 0x%08x", | |
1093 | (u32) & ugeth->p_send_q_mem_reg->sqqd[i]); | |
1094 | mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i], | |
1095 | sizeof(struct ucc_geth_send_queue_qd)); | |
1096 | } | |
1097 | } | |
1098 | if (ugeth->p_scheduler) { | |
1099 | ugeth_info("Scheduler:"); | |
1100 | ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler); | |
1101 | mem_disp((u8 *) ugeth->p_scheduler, | |
1102 | sizeof(*ugeth->p_scheduler)); | |
1103 | } | |
1104 | if (ugeth->p_tx_fw_statistics_pram) { | |
1105 | ugeth_info("TX FW statistics pram:"); | |
1106 | ugeth_info("Base address: 0x%08x", | |
1107 | (u32) ugeth->p_tx_fw_statistics_pram); | |
1108 | mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram, | |
1109 | sizeof(*ugeth->p_tx_fw_statistics_pram)); | |
1110 | } | |
1111 | if (ugeth->p_rx_fw_statistics_pram) { | |
1112 | ugeth_info("RX FW statistics pram:"); | |
1113 | ugeth_info("Base address: 0x%08x", | |
1114 | (u32) ugeth->p_rx_fw_statistics_pram); | |
1115 | mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram, | |
1116 | sizeof(*ugeth->p_rx_fw_statistics_pram)); | |
1117 | } | |
1118 | if (ugeth->p_rx_irq_coalescing_tbl) { | |
1119 | ugeth_info("RX IRQ coalescing tables:"); | |
1120 | ugeth_info("Base address: 0x%08x", | |
1121 | (u32) ugeth->p_rx_irq_coalescing_tbl); | |
1122 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { | |
1123 | ugeth_info("RX IRQ coalescing table entry[%d]:", i); | |
1124 | ugeth_info("Base address: 0x%08x", | |
1125 | (u32) & ugeth->p_rx_irq_coalescing_tbl-> | |
1126 | coalescingentry[i]); | |
1127 | ugeth_info | |
1128 | ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x", | |
1129 | (u32) & ugeth->p_rx_irq_coalescing_tbl-> | |
1130 | coalescingentry[i].interruptcoalescingmaxvalue, | |
1131 | in_be32(&ugeth->p_rx_irq_coalescing_tbl-> | |
1132 | coalescingentry[i]. | |
1133 | interruptcoalescingmaxvalue)); | |
1134 | ugeth_info | |
1135 | ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x", | |
1136 | (u32) & ugeth->p_rx_irq_coalescing_tbl-> | |
1137 | coalescingentry[i].interruptcoalescingcounter, | |
1138 | in_be32(&ugeth->p_rx_irq_coalescing_tbl-> | |
1139 | coalescingentry[i]. | |
1140 | interruptcoalescingcounter)); | |
1141 | } | |
1142 | } | |
1143 | if (ugeth->p_rx_bd_qs_tbl) { | |
1144 | ugeth_info("RX BD QS tables:"); | |
1145 | ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl); | |
1146 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { | |
1147 | ugeth_info("RX BD QS table[%d]:", i); | |
1148 | ugeth_info("Base address: 0x%08x", | |
1149 | (u32) & ugeth->p_rx_bd_qs_tbl[i]); | |
1150 | ugeth_info | |
1151 | ("bdbaseptr : addr - 0x%08x, val - 0x%08x", | |
1152 | (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr, | |
1153 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr)); | |
1154 | ugeth_info | |
1155 | ("bdptr : addr - 0x%08x, val - 0x%08x", | |
1156 | (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr, | |
1157 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr)); | |
1158 | ugeth_info | |
1159 | ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x", | |
1160 | (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
1161 | in_be32(&ugeth->p_rx_bd_qs_tbl[i]. | |
1162 | externalbdbaseptr)); | |
1163 | ugeth_info | |
1164 | ("externalbdptr : addr - 0x%08x, val - 0x%08x", | |
1165 | (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr, | |
1166 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr)); | |
1167 | ugeth_info("ucode RX Prefetched BDs:"); | |
1168 | ugeth_info("Base address: 0x%08x", | |
1169 | (u32) | |
1170 | qe_muram_addr(in_be32 | |
1171 | (&ugeth->p_rx_bd_qs_tbl[i]. | |
1172 | bdbaseptr))); | |
1173 | mem_disp((u8 *) | |
1174 | qe_muram_addr(in_be32 | |
1175 | (&ugeth->p_rx_bd_qs_tbl[i]. | |
1176 | bdbaseptr)), | |
1177 | sizeof(struct ucc_geth_rx_prefetched_bds)); | |
1178 | } | |
1179 | } | |
1180 | if (ugeth->p_init_enet_param_shadow) { | |
1181 | int size; | |
1182 | ugeth_info("Init enet param shadow:"); | |
1183 | ugeth_info("Base address: 0x%08x", | |
1184 | (u32) ugeth->p_init_enet_param_shadow); | |
1185 | mem_disp((u8 *) ugeth->p_init_enet_param_shadow, | |
1186 | sizeof(*ugeth->p_init_enet_param_shadow)); | |
1187 | ||
1188 | size = sizeof(struct ucc_geth_thread_rx_pram); | |
1189 | if (ugeth->ug_info->rxExtendedFiltering) { | |
1190 | size += | |
1191 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; | |
1192 | if (ugeth->ug_info->largestexternallookupkeysize == | |
1193 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) | |
1194 | size += | |
1195 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; | |
1196 | if (ugeth->ug_info->largestexternallookupkeysize == | |
1197 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) | |
1198 | size += | |
1199 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; | |
1200 | } | |
1201 | ||
1202 | dump_init_enet_entries(ugeth, | |
1203 | &(ugeth->p_init_enet_param_shadow-> | |
1204 | txthread[0]), | |
1205 | ENET_INIT_PARAM_MAX_ENTRIES_TX, | |
1206 | sizeof(struct ucc_geth_thread_tx_pram), | |
1207 | ugeth->ug_info->riscTx, 0); | |
1208 | dump_init_enet_entries(ugeth, | |
1209 | &(ugeth->p_init_enet_param_shadow-> | |
1210 | rxthread[0]), | |
1211 | ENET_INIT_PARAM_MAX_ENTRIES_RX, size, | |
1212 | ugeth->ug_info->riscRx, 1); | |
1213 | } | |
1214 | } | |
1215 | #endif /* DEBUG */ | |
1216 | ||
1217 | static void init_default_reg_vals(volatile u32 *upsmr_register, | |
1218 | volatile u32 *maccfg1_register, | |
1219 | volatile u32 *maccfg2_register) | |
1220 | { | |
1221 | out_be32(upsmr_register, UCC_GETH_UPSMR_INIT); | |
1222 | out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT); | |
1223 | out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT); | |
1224 | } | |
1225 | ||
1226 | static int init_half_duplex_params(int alt_beb, | |
1227 | int back_pressure_no_backoff, | |
1228 | int no_backoff, | |
1229 | int excess_defer, | |
1230 | u8 alt_beb_truncation, | |
1231 | u8 max_retransmissions, | |
1232 | u8 collision_window, | |
1233 | volatile u32 *hafdup_register) | |
1234 | { | |
1235 | u32 value = 0; | |
1236 | ||
1237 | if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) || | |
1238 | (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) || | |
1239 | (collision_window > HALFDUP_COLLISION_WINDOW_MAX)) | |
1240 | return -EINVAL; | |
1241 | ||
1242 | value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT); | |
1243 | ||
1244 | if (alt_beb) | |
1245 | value |= HALFDUP_ALT_BEB; | |
1246 | if (back_pressure_no_backoff) | |
1247 | value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF; | |
1248 | if (no_backoff) | |
1249 | value |= HALFDUP_NO_BACKOFF; | |
1250 | if (excess_defer) | |
1251 | value |= HALFDUP_EXCESSIVE_DEFER; | |
1252 | ||
1253 | value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT); | |
1254 | ||
1255 | value |= collision_window; | |
1256 | ||
1257 | out_be32(hafdup_register, value); | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | static int init_inter_frame_gap_params(u8 non_btb_cs_ipg, | |
1262 | u8 non_btb_ipg, | |
1263 | u8 min_ifg, | |
1264 | u8 btb_ipg, | |
1265 | volatile u32 *ipgifg_register) | |
1266 | { | |
1267 | u32 value = 0; | |
1268 | ||
1269 | /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back | |
1270 | IPG part 2 */ | |
1271 | if (non_btb_cs_ipg > non_btb_ipg) | |
1272 | return -EINVAL; | |
1273 | ||
1274 | if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) || | |
1275 | (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) || | |
1276 | /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */ | |
1277 | (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX)) | |
1278 | return -EINVAL; | |
1279 | ||
1280 | value |= | |
1281 | ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) & | |
1282 | IPGIFG_NBTB_CS_IPG_MASK); | |
1283 | value |= | |
1284 | ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) & | |
1285 | IPGIFG_NBTB_IPG_MASK); | |
1286 | value |= | |
1287 | ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) & | |
1288 | IPGIFG_MIN_IFG_MASK); | |
1289 | value |= (btb_ipg & IPGIFG_BTB_IPG_MASK); | |
1290 | ||
1291 | out_be32(ipgifg_register, value); | |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | static int init_flow_control_params(u32 automatic_flow_control_mode, | |
1296 | int rx_flow_control_enable, | |
1297 | int tx_flow_control_enable, | |
1298 | u16 pause_period, | |
1299 | u16 extension_field, | |
1300 | volatile u32 *upsmr_register, | |
1301 | volatile u32 *uempr_register, | |
1302 | volatile u32 *maccfg1_register) | |
1303 | { | |
1304 | u32 value = 0; | |
1305 | ||
1306 | /* Set UEMPR register */ | |
1307 | value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT; | |
1308 | value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT; | |
1309 | out_be32(uempr_register, value); | |
1310 | ||
1311 | /* Set UPSMR register */ | |
1312 | value = in_be32(upsmr_register); | |
1313 | value |= automatic_flow_control_mode; | |
1314 | out_be32(upsmr_register, value); | |
1315 | ||
1316 | value = in_be32(maccfg1_register); | |
1317 | if (rx_flow_control_enable) | |
1318 | value |= MACCFG1_FLOW_RX; | |
1319 | if (tx_flow_control_enable) | |
1320 | value |= MACCFG1_FLOW_TX; | |
1321 | out_be32(maccfg1_register, value); | |
1322 | ||
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | static int init_hw_statistics_gathering_mode(int enable_hardware_statistics, | |
1327 | int auto_zero_hardware_statistics, | |
1328 | volatile u32 *upsmr_register, | |
1329 | volatile u16 *uescr_register) | |
1330 | { | |
1331 | u32 upsmr_value = 0; | |
1332 | u16 uescr_value = 0; | |
1333 | /* Enable hardware statistics gathering if requested */ | |
1334 | if (enable_hardware_statistics) { | |
1335 | upsmr_value = in_be32(upsmr_register); | |
1336 | upsmr_value |= UPSMR_HSE; | |
1337 | out_be32(upsmr_register, upsmr_value); | |
1338 | } | |
1339 | ||
1340 | /* Clear hardware statistics counters */ | |
1341 | uescr_value = in_be16(uescr_register); | |
1342 | uescr_value |= UESCR_CLRCNT; | |
1343 | /* Automatically zero hardware statistics counters on read, | |
1344 | if requested */ | |
1345 | if (auto_zero_hardware_statistics) | |
1346 | uescr_value |= UESCR_AUTOZ; | |
1347 | out_be16(uescr_register, uescr_value); | |
1348 | ||
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | static int init_firmware_statistics_gathering_mode(int | |
1353 | enable_tx_firmware_statistics, | |
1354 | int enable_rx_firmware_statistics, | |
1355 | volatile u32 *tx_rmon_base_ptr, | |
1356 | u32 tx_firmware_statistics_structure_address, | |
1357 | volatile u32 *rx_rmon_base_ptr, | |
1358 | u32 rx_firmware_statistics_structure_address, | |
1359 | volatile u16 *temoder_register, | |
1360 | volatile u32 *remoder_register) | |
1361 | { | |
1362 | /* Note: this function does not check if */ | |
1363 | /* the parameters it receives are NULL */ | |
1364 | u16 temoder_value; | |
1365 | u32 remoder_value; | |
1366 | ||
1367 | if (enable_tx_firmware_statistics) { | |
1368 | out_be32(tx_rmon_base_ptr, | |
1369 | tx_firmware_statistics_structure_address); | |
1370 | temoder_value = in_be16(temoder_register); | |
1371 | temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE; | |
1372 | out_be16(temoder_register, temoder_value); | |
1373 | } | |
1374 | ||
1375 | if (enable_rx_firmware_statistics) { | |
1376 | out_be32(rx_rmon_base_ptr, | |
1377 | rx_firmware_statistics_structure_address); | |
1378 | remoder_value = in_be32(remoder_register); | |
1379 | remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE; | |
1380 | out_be32(remoder_register, remoder_value); | |
1381 | } | |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | ||
1386 | static int init_mac_station_addr_regs(u8 address_byte_0, | |
1387 | u8 address_byte_1, | |
1388 | u8 address_byte_2, | |
1389 | u8 address_byte_3, | |
1390 | u8 address_byte_4, | |
1391 | u8 address_byte_5, | |
1392 | volatile u32 *macstnaddr1_register, | |
1393 | volatile u32 *macstnaddr2_register) | |
1394 | { | |
1395 | u32 value = 0; | |
1396 | ||
1397 | /* Example: for a station address of 0x12345678ABCD, */ | |
1398 | /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */ | |
1399 | ||
1400 | /* MACSTNADDR1 Register: */ | |
1401 | ||
1402 | /* 0 7 8 15 */ | |
1403 | /* station address byte 5 station address byte 4 */ | |
1404 | /* 16 23 24 31 */ | |
1405 | /* station address byte 3 station address byte 2 */ | |
1406 | value |= (u32) ((address_byte_2 << 0) & 0x000000FF); | |
1407 | value |= (u32) ((address_byte_3 << 8) & 0x0000FF00); | |
1408 | value |= (u32) ((address_byte_4 << 16) & 0x00FF0000); | |
1409 | value |= (u32) ((address_byte_5 << 24) & 0xFF000000); | |
1410 | ||
1411 | out_be32(macstnaddr1_register, value); | |
1412 | ||
1413 | /* MACSTNADDR2 Register: */ | |
1414 | ||
1415 | /* 0 7 8 15 */ | |
1416 | /* station address byte 1 station address byte 0 */ | |
1417 | /* 16 23 24 31 */ | |
1418 | /* reserved reserved */ | |
1419 | value = 0; | |
1420 | value |= (u32) ((address_byte_0 << 16) & 0x00FF0000); | |
1421 | value |= (u32) ((address_byte_1 << 24) & 0xFF000000); | |
1422 | ||
1423 | out_be32(macstnaddr2_register, value); | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | static int init_mac_duplex_mode(int full_duplex, | |
1429 | int limited_to_full_duplex, | |
1430 | volatile u32 *maccfg2_register) | |
1431 | { | |
1432 | u32 value = 0; | |
1433 | ||
1434 | /* some interfaces must work in full duplex mode */ | |
1435 | if ((full_duplex == 0) && (limited_to_full_duplex == 1)) | |
1436 | return -EINVAL; | |
1437 | ||
1438 | value = in_be32(maccfg2_register); | |
1439 | ||
1440 | if (full_duplex) | |
1441 | value |= MACCFG2_FDX; | |
1442 | else | |
1443 | value &= ~MACCFG2_FDX; | |
1444 | ||
1445 | out_be32(maccfg2_register, value); | |
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | static int init_check_frame_length_mode(int length_check, | |
1450 | volatile u32 *maccfg2_register) | |
1451 | { | |
1452 | u32 value = 0; | |
1453 | ||
1454 | value = in_be32(maccfg2_register); | |
1455 | ||
1456 | if (length_check) | |
1457 | value |= MACCFG2_LC; | |
1458 | else | |
1459 | value &= ~MACCFG2_LC; | |
1460 | ||
1461 | out_be32(maccfg2_register, value); | |
1462 | return 0; | |
1463 | } | |
1464 | ||
1465 | static int init_preamble_length(u8 preamble_length, | |
1466 | volatile u32 *maccfg2_register) | |
1467 | { | |
1468 | u32 value = 0; | |
1469 | ||
1470 | if ((preamble_length < 3) || (preamble_length > 7)) | |
1471 | return -EINVAL; | |
1472 | ||
1473 | value = in_be32(maccfg2_register); | |
1474 | value &= ~MACCFG2_PREL_MASK; | |
1475 | value |= (preamble_length << MACCFG2_PREL_SHIFT); | |
1476 | out_be32(maccfg2_register, value); | |
1477 | return 0; | |
1478 | } | |
1479 | ||
1480 | static int init_mii_management_configuration(int reset_mgmt, | |
1481 | int preamble_supress, | |
1482 | volatile u32 *miimcfg_register, | |
1483 | volatile u32 *miimind_register) | |
1484 | { | |
1485 | unsigned int timeout = PHY_INIT_TIMEOUT; | |
1486 | u32 value = 0; | |
1487 | ||
1488 | value = in_be32(miimcfg_register); | |
1489 | if (reset_mgmt) { | |
1490 | value |= MIIMCFG_RESET_MANAGEMENT; | |
1491 | out_be32(miimcfg_register, value); | |
1492 | } | |
1493 | ||
1494 | value = 0; | |
1495 | ||
1496 | if (preamble_supress) | |
1497 | value |= MIIMCFG_NO_PREAMBLE; | |
1498 | ||
1499 | value |= UCC_GETH_MIIMCFG_MNGMNT_CLC_DIV_INIT; | |
1500 | out_be32(miimcfg_register, value); | |
1501 | ||
1502 | /* Wait until the bus is free */ | |
1503 | while ((in_be32(miimind_register) & MIIMIND_BUSY) && timeout--) | |
1504 | cpu_relax(); | |
1505 | ||
1506 | if (timeout <= 0) { | |
1507 | ugeth_err("%s: The MII Bus is stuck!", __FUNCTION__); | |
1508 | return -ETIMEDOUT; | |
1509 | } | |
1510 | ||
1511 | return 0; | |
1512 | } | |
1513 | ||
1514 | static int init_rx_parameters(int reject_broadcast, | |
1515 | int receive_short_frames, | |
1516 | int promiscuous, volatile u32 *upsmr_register) | |
1517 | { | |
1518 | u32 value = 0; | |
1519 | ||
1520 | value = in_be32(upsmr_register); | |
1521 | ||
1522 | if (reject_broadcast) | |
1523 | value |= UPSMR_BRO; | |
1524 | else | |
1525 | value &= ~UPSMR_BRO; | |
1526 | ||
1527 | if (receive_short_frames) | |
1528 | value |= UPSMR_RSH; | |
1529 | else | |
1530 | value &= ~UPSMR_RSH; | |
1531 | ||
1532 | if (promiscuous) | |
1533 | value |= UPSMR_PRO; | |
1534 | else | |
1535 | value &= ~UPSMR_PRO; | |
1536 | ||
1537 | out_be32(upsmr_register, value); | |
1538 | ||
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | static int init_max_rx_buff_len(u16 max_rx_buf_len, | |
1543 | volatile u16 *mrblr_register) | |
1544 | { | |
1545 | /* max_rx_buf_len value must be a multiple of 128 */ | |
1546 | if ((max_rx_buf_len == 0) | |
1547 | || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT)) | |
1548 | return -EINVAL; | |
1549 | ||
1550 | out_be16(mrblr_register, max_rx_buf_len); | |
1551 | return 0; | |
1552 | } | |
1553 | ||
1554 | static int init_min_frame_len(u16 min_frame_length, | |
1555 | volatile u16 *minflr_register, | |
1556 | volatile u16 *mrblr_register) | |
1557 | { | |
1558 | u16 mrblr_value = 0; | |
1559 | ||
1560 | mrblr_value = in_be16(mrblr_register); | |
1561 | if (min_frame_length >= (mrblr_value - 4)) | |
1562 | return -EINVAL; | |
1563 | ||
1564 | out_be16(minflr_register, min_frame_length); | |
1565 | return 0; | |
1566 | } | |
1567 | ||
1568 | static int adjust_enet_interface(struct ucc_geth_private *ugeth) | |
1569 | { | |
1570 | struct ucc_geth_info *ug_info; | |
1571 | struct ucc_geth *ug_regs; | |
1572 | struct ucc_fast *uf_regs; | |
1573 | enum enet_speed speed; | |
1574 | int ret_val, rpm = 0, tbi = 0, r10m = 0, rmm = | |
1575 | 0, limited_to_full_duplex = 0; | |
1576 | u32 upsmr, maccfg2, utbipar, tbiBaseAddress; | |
1577 | u16 value; | |
1578 | ||
1579 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
1580 | ||
1581 | ug_info = ugeth->ug_info; | |
1582 | ug_regs = ugeth->ug_regs; | |
1583 | uf_regs = ugeth->uccf->uf_regs; | |
1584 | ||
1585 | /* Analyze enet_interface according to Interface Mode Configuration | |
1586 | table */ | |
1587 | ret_val = | |
1588 | get_interface_details(ug_info->enet_interface, &speed, &r10m, &rmm, | |
1589 | &rpm, &tbi, &limited_to_full_duplex); | |
1590 | if (ret_val != 0) { | |
1591 | ugeth_err | |
1592 | ("%s: half duplex not supported in requested configuration.", | |
1593 | __FUNCTION__); | |
1594 | return ret_val; | |
1595 | } | |
1596 | ||
1597 | /* Set MACCFG2 */ | |
1598 | maccfg2 = in_be32(&ug_regs->maccfg2); | |
1599 | maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK; | |
1600 | if ((speed == ENET_SPEED_10BT) || (speed == ENET_SPEED_100BT)) | |
1601 | maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; | |
1602 | else if (speed == ENET_SPEED_1000BT) | |
1603 | maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; | |
1604 | maccfg2 |= ug_info->padAndCrc; | |
1605 | out_be32(&ug_regs->maccfg2, maccfg2); | |
1606 | ||
1607 | /* Set UPSMR */ | |
1608 | upsmr = in_be32(&uf_regs->upsmr); | |
1609 | upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM); | |
1610 | if (rpm) | |
1611 | upsmr |= UPSMR_RPM; | |
1612 | if (r10m) | |
1613 | upsmr |= UPSMR_R10M; | |
1614 | if (tbi) | |
1615 | upsmr |= UPSMR_TBIM; | |
1616 | if (rmm) | |
1617 | upsmr |= UPSMR_RMM; | |
1618 | out_be32(&uf_regs->upsmr, upsmr); | |
1619 | ||
1620 | /* Set UTBIPAR */ | |
1621 | utbipar = in_be32(&ug_regs->utbipar); | |
1622 | utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK; | |
1623 | if (tbi) | |
1624 | utbipar |= | |
1625 | (ug_info->phy_address + | |
1626 | ugeth->ug_info->uf_info. | |
1627 | ucc_num) << UTBIPAR_PHY_ADDRESS_SHIFT; | |
1628 | else | |
1629 | utbipar |= | |
1630 | (0x10 + | |
1631 | ugeth->ug_info->uf_info. | |
1632 | ucc_num) << UTBIPAR_PHY_ADDRESS_SHIFT; | |
1633 | out_be32(&ug_regs->utbipar, utbipar); | |
1634 | ||
1635 | /* Disable autonegotiation in tbi mode, because by default it | |
1636 | comes up in autonegotiation mode. */ | |
1637 | /* Note that this depends on proper setting in utbipar register. */ | |
1638 | if (tbi) { | |
1639 | tbiBaseAddress = in_be32(&ug_regs->utbipar); | |
1640 | tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK; | |
1641 | tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT; | |
1642 | value = | |
1643 | ugeth->mii_info->mdio_read(ugeth->dev, (u8) tbiBaseAddress, | |
1644 | ENET_TBI_MII_CR); | |
1645 | value &= ~0x1000; /* Turn off autonegotiation */ | |
1646 | ugeth->mii_info->mdio_write(ugeth->dev, (u8) tbiBaseAddress, | |
1647 | ENET_TBI_MII_CR, value); | |
1648 | } | |
1649 | ||
1650 | ret_val = init_mac_duplex_mode(1, | |
1651 | limited_to_full_duplex, | |
1652 | &ug_regs->maccfg2); | |
1653 | if (ret_val != 0) { | |
1654 | ugeth_err | |
1655 | ("%s: half duplex not supported in requested configuration.", | |
1656 | __FUNCTION__); | |
1657 | return ret_val; | |
1658 | } | |
1659 | ||
1660 | init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2); | |
1661 | ||
1662 | ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2); | |
1663 | if (ret_val != 0) { | |
1664 | ugeth_err | |
1665 | ("%s: Preamble length must be between 3 and 7 inclusive.", | |
1666 | __FUNCTION__); | |
1667 | return ret_val; | |
1668 | } | |
1669 | ||
1670 | return 0; | |
1671 | } | |
1672 | ||
1673 | /* Called every time the controller might need to be made | |
1674 | * aware of new link state. The PHY code conveys this | |
1675 | * information through variables in the ugeth structure, and this | |
1676 | * function converts those variables into the appropriate | |
1677 | * register values, and can bring down the device if needed. | |
1678 | */ | |
1679 | static void adjust_link(struct net_device *dev) | |
1680 | { | |
1681 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
1682 | struct ucc_geth *ug_regs; | |
1683 | u32 tempval; | |
1684 | struct ugeth_mii_info *mii_info = ugeth->mii_info; | |
1685 | ||
1686 | ug_regs = ugeth->ug_regs; | |
1687 | ||
1688 | if (mii_info->link) { | |
1689 | /* Now we make sure that we can be in full duplex mode. | |
1690 | * If not, we operate in half-duplex mode. */ | |
1691 | if (mii_info->duplex != ugeth->oldduplex) { | |
1692 | if (!(mii_info->duplex)) { | |
1693 | tempval = in_be32(&ug_regs->maccfg2); | |
1694 | tempval &= ~(MACCFG2_FDX); | |
1695 | out_be32(&ug_regs->maccfg2, tempval); | |
1696 | ||
1697 | ugeth_info("%s: Half Duplex", dev->name); | |
1698 | } else { | |
1699 | tempval = in_be32(&ug_regs->maccfg2); | |
1700 | tempval |= MACCFG2_FDX; | |
1701 | out_be32(&ug_regs->maccfg2, tempval); | |
1702 | ||
1703 | ugeth_info("%s: Full Duplex", dev->name); | |
1704 | } | |
1705 | ||
1706 | ugeth->oldduplex = mii_info->duplex; | |
1707 | } | |
1708 | ||
1709 | if (mii_info->speed != ugeth->oldspeed) { | |
1710 | switch (mii_info->speed) { | |
1711 | case 1000: | |
1712 | ugeth->ug_info->enet_interface = ENET_1000_RGMII; | |
1713 | break; | |
1714 | case 100: | |
1715 | ugeth->ug_info->enet_interface = ENET_100_RGMII; | |
1716 | break; | |
1717 | case 10: | |
1718 | ugeth->ug_info->enet_interface = ENET_10_RGMII; | |
1719 | break; | |
1720 | default: | |
1721 | ugeth_warn | |
1722 | ("%s: Ack! Speed (%d) is not 10/100/1000!", | |
1723 | dev->name, mii_info->speed); | |
1724 | break; | |
1725 | } | |
1726 | adjust_enet_interface(ugeth); | |
1727 | ||
1728 | ugeth_info("%s: Speed %dBT", dev->name, | |
1729 | mii_info->speed); | |
1730 | ||
1731 | ugeth->oldspeed = mii_info->speed; | |
1732 | } | |
1733 | ||
1734 | if (!ugeth->oldlink) { | |
1735 | ugeth_info("%s: Link is up", dev->name); | |
1736 | ugeth->oldlink = 1; | |
1737 | netif_carrier_on(dev); | |
1738 | netif_schedule(dev); | |
1739 | } | |
1740 | } else { | |
1741 | if (ugeth->oldlink) { | |
1742 | ugeth_info("%s: Link is down", dev->name); | |
1743 | ugeth->oldlink = 0; | |
1744 | ugeth->oldspeed = 0; | |
1745 | ugeth->oldduplex = -1; | |
1746 | netif_carrier_off(dev); | |
1747 | } | |
1748 | } | |
1749 | } | |
1750 | ||
1751 | /* Configure the PHY for dev. | |
1752 | * returns 0 if success. -1 if failure | |
1753 | */ | |
1754 | static int init_phy(struct net_device *dev) | |
1755 | { | |
1756 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
1757 | struct phy_info *curphy; | |
1758 | struct ucc_mii_mng *mii_regs; | |
1759 | struct ugeth_mii_info *mii_info; | |
1760 | int err; | |
1761 | ||
1762 | mii_regs = &ugeth->ug_regs->miimng; | |
1763 | ||
1764 | ugeth->oldlink = 0; | |
1765 | ugeth->oldspeed = 0; | |
1766 | ugeth->oldduplex = -1; | |
1767 | ||
1768 | mii_info = kmalloc(sizeof(struct ugeth_mii_info), GFP_KERNEL); | |
1769 | ||
1770 | if (NULL == mii_info) { | |
1771 | ugeth_err("%s: Could not allocate mii_info", dev->name); | |
1772 | return -ENOMEM; | |
1773 | } | |
1774 | ||
1775 | mii_info->mii_regs = mii_regs; | |
1776 | mii_info->speed = SPEED_1000; | |
1777 | mii_info->duplex = DUPLEX_FULL; | |
1778 | mii_info->pause = 0; | |
1779 | mii_info->link = 0; | |
1780 | ||
1781 | mii_info->advertising = (ADVERTISED_10baseT_Half | | |
1782 | ADVERTISED_10baseT_Full | | |
1783 | ADVERTISED_100baseT_Half | | |
1784 | ADVERTISED_100baseT_Full | | |
1785 | ADVERTISED_1000baseT_Full); | |
1786 | mii_info->autoneg = 1; | |
1787 | ||
1788 | mii_info->mii_id = ugeth->ug_info->phy_address; | |
1789 | ||
1790 | mii_info->dev = dev; | |
1791 | ||
1792 | mii_info->mdio_read = &read_phy_reg; | |
1793 | mii_info->mdio_write = &write_phy_reg; | |
1794 | ||
1795 | spin_lock_init(&mii_info->mdio_lock); | |
1796 | ||
1797 | ugeth->mii_info = mii_info; | |
1798 | ||
1799 | spin_lock_irq(&ugeth->lock); | |
1800 | ||
1801 | /* Set this UCC to be the master of the MII managment */ | |
1802 | ucc_set_qe_mux_mii_mng(ugeth->ug_info->uf_info.ucc_num); | |
1803 | ||
1804 | if (init_mii_management_configuration(1, | |
1805 | ugeth->ug_info-> | |
1806 | miiPreambleSupress, | |
1807 | &mii_regs->miimcfg, | |
1808 | &mii_regs->miimind)) { | |
1809 | ugeth_err("%s: The MII Bus is stuck!", dev->name); | |
1810 | err = -1; | |
1811 | goto bus_fail; | |
1812 | } | |
1813 | ||
1814 | spin_unlock_irq(&ugeth->lock); | |
1815 | ||
1816 | /* get info for this PHY */ | |
1817 | curphy = get_phy_info(ugeth->mii_info); | |
1818 | ||
1819 | if (curphy == NULL) { | |
1820 | ugeth_err("%s: No PHY found", dev->name); | |
1821 | err = -1; | |
1822 | goto no_phy; | |
1823 | } | |
1824 | ||
1825 | mii_info->phyinfo = curphy; | |
1826 | ||
1827 | /* Run the commands which initialize the PHY */ | |
1828 | if (curphy->init) { | |
1829 | err = curphy->init(ugeth->mii_info); | |
1830 | if (err) | |
1831 | goto phy_init_fail; | |
1832 | } | |
1833 | ||
1834 | return 0; | |
1835 | ||
1836 | phy_init_fail: | |
1837 | no_phy: | |
1838 | bus_fail: | |
1839 | kfree(mii_info); | |
1840 | ||
1841 | return err; | |
1842 | } | |
1843 | ||
1844 | #ifdef CONFIG_UGETH_TX_ON_DEMOND | |
1845 | static int ugeth_transmit_on_demand(struct ucc_geth_private *ugeth) | |
1846 | { | |
1847 | struct ucc_fastransmit_on_demand(ugeth->uccf); | |
1848 | ||
1849 | return 0; | |
1850 | } | |
1851 | #endif | |
1852 | ||
1853 | static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth) | |
1854 | { | |
1855 | struct ucc_fast_private *uccf; | |
1856 | u32 cecr_subblock; | |
1857 | u32 temp; | |
1858 | ||
1859 | uccf = ugeth->uccf; | |
1860 | ||
1861 | /* Mask GRACEFUL STOP TX interrupt bit and clear it */ | |
1862 | temp = in_be32(uccf->p_uccm); | |
1863 | temp &= ~UCCE_GRA; | |
1864 | out_be32(uccf->p_uccm, temp); | |
1865 | out_be32(uccf->p_ucce, UCCE_GRA); /* clear by writing 1 */ | |
1866 | ||
1867 | /* Issue host command */ | |
1868 | cecr_subblock = | |
1869 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1870 | qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, | |
1871 | QE_CR_PROTOCOL_ETHERNET, 0); | |
1872 | ||
1873 | /* Wait for command to complete */ | |
1874 | do { | |
1875 | temp = in_be32(uccf->p_ucce); | |
1876 | } while (!(temp & UCCE_GRA)); | |
1877 | ||
1878 | uccf->stopped_tx = 1; | |
1879 | ||
1880 | return 0; | |
1881 | } | |
1882 | ||
1883 | static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth) | |
1884 | { | |
1885 | struct ucc_fast_private *uccf; | |
1886 | u32 cecr_subblock; | |
1887 | u8 temp; | |
1888 | ||
1889 | uccf = ugeth->uccf; | |
1890 | ||
1891 | /* Clear acknowledge bit */ | |
1892 | temp = ugeth->p_rx_glbl_pram->rxgstpack; | |
1893 | temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX; | |
1894 | ugeth->p_rx_glbl_pram->rxgstpack = temp; | |
1895 | ||
1896 | /* Keep issuing command and checking acknowledge bit until | |
1897 | it is asserted, according to spec */ | |
1898 | do { | |
1899 | /* Issue host command */ | |
1900 | cecr_subblock = | |
1901 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info. | |
1902 | ucc_num); | |
1903 | qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, | |
1904 | QE_CR_PROTOCOL_ETHERNET, 0); | |
1905 | ||
1906 | temp = ugeth->p_rx_glbl_pram->rxgstpack; | |
1907 | } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX)); | |
1908 | ||
1909 | uccf->stopped_rx = 1; | |
1910 | ||
1911 | return 0; | |
1912 | } | |
1913 | ||
1914 | static int ugeth_restart_tx(struct ucc_geth_private *ugeth) | |
1915 | { | |
1916 | struct ucc_fast_private *uccf; | |
1917 | u32 cecr_subblock; | |
1918 | ||
1919 | uccf = ugeth->uccf; | |
1920 | ||
1921 | cecr_subblock = | |
1922 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1923 | qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0); | |
1924 | uccf->stopped_tx = 0; | |
1925 | ||
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | static int ugeth_restart_rx(struct ucc_geth_private *ugeth) | |
1930 | { | |
1931 | struct ucc_fast_private *uccf; | |
1932 | u32 cecr_subblock; | |
1933 | ||
1934 | uccf = ugeth->uccf; | |
1935 | ||
1936 | cecr_subblock = | |
1937 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1938 | qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, | |
1939 | 0); | |
1940 | uccf->stopped_rx = 0; | |
1941 | ||
1942 | return 0; | |
1943 | } | |
1944 | ||
1945 | static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode) | |
1946 | { | |
1947 | struct ucc_fast_private *uccf; | |
1948 | int enabled_tx, enabled_rx; | |
1949 | ||
1950 | uccf = ugeth->uccf; | |
1951 | ||
1952 | /* check if the UCC number is in range. */ | |
1953 | if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { | |
1954 | ugeth_err("%s: ucc_num out of range.", __FUNCTION__); | |
1955 | return -EINVAL; | |
1956 | } | |
1957 | ||
1958 | enabled_tx = uccf->enabled_tx; | |
1959 | enabled_rx = uccf->enabled_rx; | |
1960 | ||
1961 | /* Get Tx and Rx going again, in case this channel was actively | |
1962 | disabled. */ | |
1963 | if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx) | |
1964 | ugeth_restart_tx(ugeth); | |
1965 | if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx) | |
1966 | ugeth_restart_rx(ugeth); | |
1967 | ||
1968 | ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */ | |
1969 | ||
1970 | return 0; | |
1971 | ||
1972 | } | |
1973 | ||
1974 | static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode) | |
1975 | { | |
1976 | struct ucc_fast_private *uccf; | |
1977 | ||
1978 | uccf = ugeth->uccf; | |
1979 | ||
1980 | /* check if the UCC number is in range. */ | |
1981 | if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { | |
1982 | ugeth_err("%s: ucc_num out of range.", __FUNCTION__); | |
1983 | return -EINVAL; | |
1984 | } | |
1985 | ||
1986 | /* Stop any transmissions */ | |
1987 | if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx) | |
1988 | ugeth_graceful_stop_tx(ugeth); | |
1989 | ||
1990 | /* Stop any receptions */ | |
1991 | if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx) | |
1992 | ugeth_graceful_stop_rx(ugeth); | |
1993 | ||
1994 | ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */ | |
1995 | ||
1996 | return 0; | |
1997 | } | |
1998 | ||
1999 | static void ugeth_dump_regs(struct ucc_geth_private *ugeth) | |
2000 | { | |
2001 | #ifdef DEBUG | |
2002 | ucc_fast_dump_regs(ugeth->uccf); | |
2003 | dump_regs(ugeth); | |
2004 | dump_bds(ugeth); | |
2005 | #endif | |
2006 | } | |
2007 | ||
2008 | #ifdef CONFIG_UGETH_FILTERING | |
2009 | static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params * | |
2010 | p_UccGethTadParams, | |
2011 | struct qe_fltr_tad *qe_fltr_tad) | |
2012 | { | |
2013 | u16 temp; | |
2014 | ||
2015 | /* Zero serialized TAD */ | |
2016 | memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE); | |
2017 | ||
2018 | qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V; /* Must have this */ | |
2019 | if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode || | |
2020 | (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) | |
2021 | || (p_UccGethTadParams->vnontag_op != | |
2022 | UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP) | |
2023 | ) | |
2024 | qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF; | |
2025 | if (p_UccGethTadParams->reject_frame) | |
2026 | qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ; | |
2027 | temp = | |
2028 | (u16) (((u16) p_UccGethTadParams-> | |
2029 | vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT); | |
2030 | qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */ | |
2031 | ||
2032 | qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff); /* lower bits */ | |
2033 | if (p_UccGethTadParams->vnontag_op == | |
2034 | UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT) | |
2035 | qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP; | |
2036 | qe_fltr_tad->serialized[1] |= | |
2037 | p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT; | |
2038 | ||
2039 | qe_fltr_tad->serialized[2] |= | |
2040 | p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT; | |
2041 | /* upper bits */ | |
2042 | qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8); | |
2043 | /* lower bits */ | |
2044 | qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff); | |
2045 | ||
2046 | return 0; | |
2047 | } | |
2048 | ||
2049 | static struct enet_addr_container_t | |
2050 | *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth, | |
2051 | struct enet_addr *p_enet_addr) | |
2052 | { | |
2053 | struct enet_addr_container *enet_addr_cont; | |
2054 | struct list_head *p_lh; | |
2055 | u16 i, num; | |
2056 | int32_t j; | |
2057 | u8 *p_counter; | |
2058 | ||
2059 | if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) { | |
2060 | p_lh = &ugeth->group_hash_q; | |
2061 | p_counter = &(ugeth->numGroupAddrInHash); | |
2062 | } else { | |
2063 | p_lh = &ugeth->ind_hash_q; | |
2064 | p_counter = &(ugeth->numIndAddrInHash); | |
2065 | } | |
2066 | ||
2067 | if (!p_lh) | |
2068 | return NULL; | |
2069 | ||
2070 | num = *p_counter; | |
2071 | ||
2072 | for (i = 0; i < num; i++) { | |
2073 | enet_addr_cont = | |
2074 | (struct enet_addr_container *) | |
2075 | ENET_ADDR_CONT_ENTRY(dequeue(p_lh)); | |
2076 | for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) { | |
2077 | if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j]) | |
2078 | break; | |
2079 | if (j == 0) | |
2080 | return enet_addr_cont; /* Found */ | |
2081 | } | |
2082 | enqueue(p_lh, &enet_addr_cont->node); /* Put it back */ | |
2083 | } | |
2084 | return NULL; | |
2085 | } | |
2086 | ||
2087 | static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth, | |
2088 | struct enet_addr *p_enet_addr) | |
2089 | { | |
2090 | enum ucc_geth_enet_address_recognition_location location; | |
2091 | struct enet_addr_container *enet_addr_cont; | |
2092 | struct list_head *p_lh; | |
2093 | u8 i; | |
2094 | u32 limit; | |
2095 | u8 *p_counter; | |
2096 | ||
2097 | if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) { | |
2098 | p_lh = &ugeth->group_hash_q; | |
2099 | limit = ugeth->ug_info->maxGroupAddrInHash; | |
2100 | location = | |
2101 | UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH; | |
2102 | p_counter = &(ugeth->numGroupAddrInHash); | |
2103 | } else { | |
2104 | p_lh = &ugeth->ind_hash_q; | |
2105 | limit = ugeth->ug_info->maxIndAddrInHash; | |
2106 | location = | |
2107 | UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH; | |
2108 | p_counter = &(ugeth->numIndAddrInHash); | |
2109 | } | |
2110 | ||
2111 | if ((enet_addr_cont = | |
2112 | ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) { | |
2113 | list_add(p_lh, &enet_addr_cont->node); /* Put it back */ | |
2114 | return 0; | |
2115 | } | |
2116 | if ((!p_lh) || (!(*p_counter < limit))) | |
2117 | return -EBUSY; | |
2118 | if (!(enet_addr_cont = get_enet_addr_container())) | |
2119 | return -ENOMEM; | |
2120 | for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++) | |
2121 | (enet_addr_cont->address)[i] = (*p_enet_addr)[i]; | |
2122 | enet_addr_cont->location = location; | |
2123 | enqueue(p_lh, &enet_addr_cont->node); /* Put it back */ | |
2124 | ++(*p_counter); | |
2125 | ||
2126 | hw_add_addr_in_hash(ugeth, enet_addr_cont->address); | |
2127 | return 0; | |
2128 | } | |
2129 | ||
2130 | static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth, | |
2131 | struct enet_addr *p_enet_addr) | |
2132 | { | |
2133 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
2134 | struct enet_addr_container *enet_addr_cont; | |
2135 | struct ucc_fast_private *uccf; | |
2136 | enum comm_dir comm_dir; | |
2137 | u16 i, num; | |
2138 | struct list_head *p_lh; | |
2139 | u32 *addr_h, *addr_l; | |
2140 | u8 *p_counter; | |
2141 | ||
2142 | uccf = ugeth->uccf; | |
2143 | ||
2144 | p_82xx_addr_filt = | |
2145 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> | |
2146 | addressfiltering; | |
2147 | ||
2148 | if (! | |
2149 | (enet_addr_cont = | |
2150 | ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) | |
2151 | return -ENOENT; | |
2152 | ||
2153 | /* It's been found and removed from the CQ. */ | |
2154 | /* Now destroy its container */ | |
2155 | put_enet_addr_container(enet_addr_cont); | |
2156 | ||
2157 | if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) { | |
2158 | addr_h = &(p_82xx_addr_filt->gaddr_h); | |
2159 | addr_l = &(p_82xx_addr_filt->gaddr_l); | |
2160 | p_lh = &ugeth->group_hash_q; | |
2161 | p_counter = &(ugeth->numGroupAddrInHash); | |
2162 | } else { | |
2163 | addr_h = &(p_82xx_addr_filt->iaddr_h); | |
2164 | addr_l = &(p_82xx_addr_filt->iaddr_l); | |
2165 | p_lh = &ugeth->ind_hash_q; | |
2166 | p_counter = &(ugeth->numIndAddrInHash); | |
2167 | } | |
2168 | ||
2169 | comm_dir = 0; | |
2170 | if (uccf->enabled_tx) | |
2171 | comm_dir |= COMM_DIR_TX; | |
2172 | if (uccf->enabled_rx) | |
2173 | comm_dir |= COMM_DIR_RX; | |
2174 | if (comm_dir) | |
2175 | ugeth_disable(ugeth, comm_dir); | |
2176 | ||
2177 | /* Clear the hash table. */ | |
2178 | out_be32(addr_h, 0x00000000); | |
2179 | out_be32(addr_l, 0x00000000); | |
2180 | ||
2181 | /* Add all remaining CQ elements back into hash */ | |
2182 | num = --(*p_counter); | |
2183 | for (i = 0; i < num; i++) { | |
2184 | enet_addr_cont = | |
2185 | (struct enet_addr_container *) | |
2186 | ENET_ADDR_CONT_ENTRY(dequeue(p_lh)); | |
2187 | hw_add_addr_in_hash(ugeth, enet_addr_cont->address); | |
2188 | enqueue(p_lh, &enet_addr_cont->node); /* Put it back */ | |
2189 | } | |
2190 | ||
2191 | if (comm_dir) | |
2192 | ugeth_enable(ugeth, comm_dir); | |
2193 | ||
2194 | return 0; | |
2195 | } | |
2196 | #endif /* CONFIG_UGETH_FILTERING */ | |
2197 | ||
2198 | static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private * | |
2199 | ugeth, | |
2200 | enum enet_addr_type | |
2201 | enet_addr_type) | |
2202 | { | |
2203 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
2204 | struct ucc_fast_private *uccf; | |
2205 | enum comm_dir comm_dir; | |
2206 | struct list_head *p_lh; | |
2207 | u16 i, num; | |
2208 | u32 *addr_h, *addr_l; | |
2209 | u8 *p_counter; | |
2210 | ||
2211 | uccf = ugeth->uccf; | |
2212 | ||
2213 | p_82xx_addr_filt = | |
2214 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> | |
2215 | addressfiltering; | |
2216 | ||
2217 | if (enet_addr_type == ENET_ADDR_TYPE_GROUP) { | |
2218 | addr_h = &(p_82xx_addr_filt->gaddr_h); | |
2219 | addr_l = &(p_82xx_addr_filt->gaddr_l); | |
2220 | p_lh = &ugeth->group_hash_q; | |
2221 | p_counter = &(ugeth->numGroupAddrInHash); | |
2222 | } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) { | |
2223 | addr_h = &(p_82xx_addr_filt->iaddr_h); | |
2224 | addr_l = &(p_82xx_addr_filt->iaddr_l); | |
2225 | p_lh = &ugeth->ind_hash_q; | |
2226 | p_counter = &(ugeth->numIndAddrInHash); | |
2227 | } else | |
2228 | return -EINVAL; | |
2229 | ||
2230 | comm_dir = 0; | |
2231 | if (uccf->enabled_tx) | |
2232 | comm_dir |= COMM_DIR_TX; | |
2233 | if (uccf->enabled_rx) | |
2234 | comm_dir |= COMM_DIR_RX; | |
2235 | if (comm_dir) | |
2236 | ugeth_disable(ugeth, comm_dir); | |
2237 | ||
2238 | /* Clear the hash table. */ | |
2239 | out_be32(addr_h, 0x00000000); | |
2240 | out_be32(addr_l, 0x00000000); | |
2241 | ||
2242 | if (!p_lh) | |
2243 | return 0; | |
2244 | ||
2245 | num = *p_counter; | |
2246 | ||
2247 | /* Delete all remaining CQ elements */ | |
2248 | for (i = 0; i < num; i++) | |
2249 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh))); | |
2250 | ||
2251 | *p_counter = 0; | |
2252 | ||
2253 | if (comm_dir) | |
2254 | ugeth_enable(ugeth, comm_dir); | |
2255 | ||
2256 | return 0; | |
2257 | } | |
2258 | ||
2259 | #ifdef CONFIG_UGETH_FILTERING | |
2260 | static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth, | |
2261 | struct enet_addr *p_enet_addr, | |
2262 | u8 paddr_num) | |
2263 | { | |
2264 | int i; | |
2265 | ||
2266 | if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) | |
2267 | ugeth_warn | |
2268 | ("%s: multicast address added to paddr will have no " | |
2269 | "effect - is this what you wanted?", | |
2270 | __FUNCTION__); | |
2271 | ||
2272 | ugeth->indAddrRegUsed[paddr_num] = 1; /* mark this paddr as used */ | |
2273 | /* store address in our database */ | |
2274 | for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++) | |
2275 | ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i]; | |
2276 | /* put in hardware */ | |
2277 | return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num); | |
2278 | } | |
2279 | #endif /* CONFIG_UGETH_FILTERING */ | |
2280 | ||
2281 | static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth, | |
2282 | u8 paddr_num) | |
2283 | { | |
2284 | ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */ | |
2285 | return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */ | |
2286 | } | |
2287 | ||
2288 | static void ucc_geth_memclean(struct ucc_geth_private *ugeth) | |
2289 | { | |
2290 | u16 i, j; | |
2291 | u8 *bd; | |
2292 | ||
2293 | if (!ugeth) | |
2294 | return; | |
2295 | ||
2296 | if (ugeth->uccf) | |
2297 | ucc_fast_free(ugeth->uccf); | |
2298 | ||
2299 | if (ugeth->p_thread_data_tx) { | |
2300 | qe_muram_free(ugeth->thread_dat_tx_offset); | |
2301 | ugeth->p_thread_data_tx = NULL; | |
2302 | } | |
2303 | if (ugeth->p_thread_data_rx) { | |
2304 | qe_muram_free(ugeth->thread_dat_rx_offset); | |
2305 | ugeth->p_thread_data_rx = NULL; | |
2306 | } | |
2307 | if (ugeth->p_exf_glbl_param) { | |
2308 | qe_muram_free(ugeth->exf_glbl_param_offset); | |
2309 | ugeth->p_exf_glbl_param = NULL; | |
2310 | } | |
2311 | if (ugeth->p_rx_glbl_pram) { | |
2312 | qe_muram_free(ugeth->rx_glbl_pram_offset); | |
2313 | ugeth->p_rx_glbl_pram = NULL; | |
2314 | } | |
2315 | if (ugeth->p_tx_glbl_pram) { | |
2316 | qe_muram_free(ugeth->tx_glbl_pram_offset); | |
2317 | ugeth->p_tx_glbl_pram = NULL; | |
2318 | } | |
2319 | if (ugeth->p_send_q_mem_reg) { | |
2320 | qe_muram_free(ugeth->send_q_mem_reg_offset); | |
2321 | ugeth->p_send_q_mem_reg = NULL; | |
2322 | } | |
2323 | if (ugeth->p_scheduler) { | |
2324 | qe_muram_free(ugeth->scheduler_offset); | |
2325 | ugeth->p_scheduler = NULL; | |
2326 | } | |
2327 | if (ugeth->p_tx_fw_statistics_pram) { | |
2328 | qe_muram_free(ugeth->tx_fw_statistics_pram_offset); | |
2329 | ugeth->p_tx_fw_statistics_pram = NULL; | |
2330 | } | |
2331 | if (ugeth->p_rx_fw_statistics_pram) { | |
2332 | qe_muram_free(ugeth->rx_fw_statistics_pram_offset); | |
2333 | ugeth->p_rx_fw_statistics_pram = NULL; | |
2334 | } | |
2335 | if (ugeth->p_rx_irq_coalescing_tbl) { | |
2336 | qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset); | |
2337 | ugeth->p_rx_irq_coalescing_tbl = NULL; | |
2338 | } | |
2339 | if (ugeth->p_rx_bd_qs_tbl) { | |
2340 | qe_muram_free(ugeth->rx_bd_qs_tbl_offset); | |
2341 | ugeth->p_rx_bd_qs_tbl = NULL; | |
2342 | } | |
2343 | if (ugeth->p_init_enet_param_shadow) { | |
2344 | return_init_enet_entries(ugeth, | |
2345 | &(ugeth->p_init_enet_param_shadow-> | |
2346 | rxthread[0]), | |
2347 | ENET_INIT_PARAM_MAX_ENTRIES_RX, | |
2348 | ugeth->ug_info->riscRx, 1); | |
2349 | return_init_enet_entries(ugeth, | |
2350 | &(ugeth->p_init_enet_param_shadow-> | |
2351 | txthread[0]), | |
2352 | ENET_INIT_PARAM_MAX_ENTRIES_TX, | |
2353 | ugeth->ug_info->riscTx, 0); | |
2354 | kfree(ugeth->p_init_enet_param_shadow); | |
2355 | ugeth->p_init_enet_param_shadow = NULL; | |
2356 | } | |
2357 | for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { | |
2358 | bd = ugeth->p_tx_bd_ring[i]; | |
2359 | for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { | |
2360 | if (ugeth->tx_skbuff[i][j]) { | |
2361 | dma_unmap_single(NULL, | |
2362 | ((qe_bd_t *)bd)->buf, | |
2363 | (in_be32((u32 *)bd) & | |
2364 | BD_LENGTH_MASK), | |
2365 | DMA_TO_DEVICE); | |
2366 | dev_kfree_skb_any(ugeth->tx_skbuff[i][j]); | |
2367 | ugeth->tx_skbuff[i][j] = NULL; | |
2368 | } | |
2369 | } | |
2370 | ||
2371 | kfree(ugeth->tx_skbuff[i]); | |
2372 | ||
2373 | if (ugeth->p_tx_bd_ring[i]) { | |
2374 | if (ugeth->ug_info->uf_info.bd_mem_part == | |
2375 | MEM_PART_SYSTEM) | |
2376 | kfree((void *)ugeth->tx_bd_ring_offset[i]); | |
2377 | else if (ugeth->ug_info->uf_info.bd_mem_part == | |
2378 | MEM_PART_MURAM) | |
2379 | qe_muram_free(ugeth->tx_bd_ring_offset[i]); | |
2380 | ugeth->p_tx_bd_ring[i] = NULL; | |
2381 | } | |
2382 | } | |
2383 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { | |
2384 | if (ugeth->p_rx_bd_ring[i]) { | |
2385 | /* Return existing data buffers in ring */ | |
2386 | bd = ugeth->p_rx_bd_ring[i]; | |
2387 | for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { | |
2388 | if (ugeth->rx_skbuff[i][j]) { | |
2389 | dma_unmap_single(NULL, | |
2390 | ((struct qe_bd *)bd)->buf, | |
2391 | ugeth->ug_info-> | |
2392 | uf_info.max_rx_buf_length + | |
2393 | UCC_GETH_RX_DATA_BUF_ALIGNMENT, | |
2394 | DMA_FROM_DEVICE); | |
2395 | dev_kfree_skb_any( | |
2396 | ugeth->rx_skbuff[i][j]); | |
2397 | ugeth->rx_skbuff[i][j] = NULL; | |
2398 | } | |
2399 | bd += sizeof(struct qe_bd); | |
2400 | } | |
2401 | ||
2402 | kfree(ugeth->rx_skbuff[i]); | |
2403 | ||
2404 | if (ugeth->ug_info->uf_info.bd_mem_part == | |
2405 | MEM_PART_SYSTEM) | |
2406 | kfree((void *)ugeth->rx_bd_ring_offset[i]); | |
2407 | else if (ugeth->ug_info->uf_info.bd_mem_part == | |
2408 | MEM_PART_MURAM) | |
2409 | qe_muram_free(ugeth->rx_bd_ring_offset[i]); | |
2410 | ugeth->p_rx_bd_ring[i] = NULL; | |
2411 | } | |
2412 | } | |
2413 | while (!list_empty(&ugeth->group_hash_q)) | |
2414 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY | |
2415 | (dequeue(&ugeth->group_hash_q))); | |
2416 | while (!list_empty(&ugeth->ind_hash_q)) | |
2417 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY | |
2418 | (dequeue(&ugeth->ind_hash_q))); | |
2419 | ||
2420 | } | |
2421 | ||
2422 | static void ucc_geth_set_multi(struct net_device *dev) | |
2423 | { | |
2424 | struct ucc_geth_private *ugeth; | |
2425 | struct dev_mc_list *dmi; | |
2426 | struct ucc_fast *uf_regs; | |
2427 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
2428 | u8 tempaddr[6]; | |
2429 | u8 *mcptr, *tdptr; | |
2430 | int i, j; | |
2431 | ||
2432 | ugeth = netdev_priv(dev); | |
2433 | ||
2434 | uf_regs = ugeth->uccf->uf_regs; | |
2435 | ||
2436 | if (dev->flags & IFF_PROMISC) { | |
2437 | ||
2438 | uf_regs->upsmr |= UPSMR_PRO; | |
2439 | ||
2440 | } else { | |
2441 | ||
2442 | uf_regs->upsmr &= ~UPSMR_PRO; | |
2443 | ||
2444 | p_82xx_addr_filt = | |
2445 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth-> | |
2446 | p_rx_glbl_pram->addressfiltering; | |
2447 | ||
2448 | if (dev->flags & IFF_ALLMULTI) { | |
2449 | /* Catch all multicast addresses, so set the | |
2450 | * filter to all 1's. | |
2451 | */ | |
2452 | out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff); | |
2453 | out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff); | |
2454 | } else { | |
2455 | /* Clear filter and add the addresses in the list. | |
2456 | */ | |
2457 | out_be32(&p_82xx_addr_filt->gaddr_h, 0x0); | |
2458 | out_be32(&p_82xx_addr_filt->gaddr_l, 0x0); | |
2459 | ||
2460 | dmi = dev->mc_list; | |
2461 | ||
2462 | for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) { | |
2463 | ||
2464 | /* Only support group multicast for now. | |
2465 | */ | |
2466 | if (!(dmi->dmi_addr[0] & 1)) | |
2467 | continue; | |
2468 | ||
2469 | /* The address in dmi_addr is LSB first, | |
2470 | * and taddr is MSB first. We have to | |
2471 | * copy bytes MSB first from dmi_addr. | |
2472 | */ | |
2473 | mcptr = (u8 *) dmi->dmi_addr + 5; | |
2474 | tdptr = (u8 *) tempaddr; | |
2475 | for (j = 0; j < 6; j++) | |
2476 | *tdptr++ = *mcptr--; | |
2477 | ||
2478 | /* Ask CPM to run CRC and set bit in | |
2479 | * filter mask. | |
2480 | */ | |
2481 | hw_add_addr_in_hash(ugeth, tempaddr); | |
2482 | } | |
2483 | } | |
2484 | } | |
2485 | } | |
2486 | ||
2487 | static void ucc_geth_stop(struct ucc_geth_private *ugeth) | |
2488 | { | |
2489 | struct ucc_geth *ug_regs = ugeth->ug_regs; | |
2490 | u32 tempval; | |
2491 | ||
2492 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
2493 | ||
2494 | /* Disable the controller */ | |
2495 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
2496 | ||
2497 | /* Tell the kernel the link is down */ | |
2498 | ugeth->mii_info->link = 0; | |
2499 | adjust_link(ugeth->dev); | |
2500 | ||
2501 | /* Mask all interrupts */ | |
2502 | out_be32(ugeth->uccf->p_ucce, 0x00000000); | |
2503 | ||
2504 | /* Clear all interrupts */ | |
2505 | out_be32(ugeth->uccf->p_ucce, 0xffffffff); | |
2506 | ||
2507 | /* Disable Rx and Tx */ | |
2508 | tempval = in_be32(&ug_regs->maccfg1); | |
2509 | tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); | |
2510 | out_be32(&ug_regs->maccfg1, tempval); | |
2511 | ||
2512 | if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) { | |
2513 | /* Clear any pending interrupts */ | |
2514 | mii_clear_phy_interrupt(ugeth->mii_info); | |
2515 | ||
2516 | /* Disable PHY Interrupts */ | |
2517 | mii_configure_phy_interrupt(ugeth->mii_info, | |
2518 | MII_INTERRUPT_DISABLED); | |
2519 | } | |
2520 | ||
2521 | free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev); | |
2522 | ||
2523 | if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) { | |
2524 | free_irq(ugeth->ug_info->phy_interrupt, ugeth->dev); | |
2525 | } else { | |
2526 | del_timer_sync(&ugeth->phy_info_timer); | |
2527 | } | |
2528 | ||
2529 | ucc_geth_memclean(ugeth); | |
2530 | } | |
2531 | ||
2532 | static int ucc_geth_startup(struct ucc_geth_private *ugeth) | |
2533 | { | |
2534 | struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; | |
2535 | struct ucc_geth_init_pram *p_init_enet_pram; | |
2536 | struct ucc_fast_private *uccf; | |
2537 | struct ucc_geth_info *ug_info; | |
2538 | struct ucc_fast_info *uf_info; | |
2539 | struct ucc_fast *uf_regs; | |
2540 | struct ucc_geth *ug_regs; | |
2541 | int ret_val = -EINVAL; | |
2542 | u32 remoder = UCC_GETH_REMODER_INIT; | |
2543 | u32 init_enet_pram_offset, cecr_subblock, command, maccfg1; | |
2544 | u32 ifstat, i, j, size, l2qt, l3qt, length; | |
2545 | u16 temoder = UCC_GETH_TEMODER_INIT; | |
2546 | u16 test; | |
2547 | u8 function_code = 0; | |
2548 | u8 *bd, *endOfRing; | |
2549 | u8 numThreadsRxNumerical, numThreadsTxNumerical; | |
2550 | ||
2551 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
2552 | ||
2553 | ug_info = ugeth->ug_info; | |
2554 | uf_info = &ug_info->uf_info; | |
2555 | ||
2556 | if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) || | |
2557 | (uf_info->bd_mem_part == MEM_PART_MURAM))) { | |
2558 | ugeth_err("%s: Bad memory partition value.", __FUNCTION__); | |
2559 | return -EINVAL; | |
2560 | } | |
2561 | ||
2562 | /* Rx BD lengths */ | |
2563 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
2564 | if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) || | |
2565 | (ug_info->bdRingLenRx[i] % | |
2566 | UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) { | |
2567 | ugeth_err | |
2568 | ("%s: Rx BD ring length must be multiple of 4," | |
2569 | " no smaller than 8.", __FUNCTION__); | |
2570 | return -EINVAL; | |
2571 | } | |
2572 | } | |
2573 | ||
2574 | /* Tx BD lengths */ | |
2575 | for (i = 0; i < ug_info->numQueuesTx; i++) { | |
2576 | if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) { | |
2577 | ugeth_err | |
2578 | ("%s: Tx BD ring length must be no smaller than 2.", | |
2579 | __FUNCTION__); | |
2580 | return -EINVAL; | |
2581 | } | |
2582 | } | |
2583 | ||
2584 | /* mrblr */ | |
2585 | if ((uf_info->max_rx_buf_length == 0) || | |
2586 | (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) { | |
2587 | ugeth_err | |
2588 | ("%s: max_rx_buf_length must be non-zero multiple of 128.", | |
2589 | __FUNCTION__); | |
2590 | return -EINVAL; | |
2591 | } | |
2592 | ||
2593 | /* num Tx queues */ | |
2594 | if (ug_info->numQueuesTx > NUM_TX_QUEUES) { | |
2595 | ugeth_err("%s: number of tx queues too large.", __FUNCTION__); | |
2596 | return -EINVAL; | |
2597 | } | |
2598 | ||
2599 | /* num Rx queues */ | |
2600 | if (ug_info->numQueuesRx > NUM_RX_QUEUES) { | |
2601 | ugeth_err("%s: number of rx queues too large.", __FUNCTION__); | |
2602 | return -EINVAL; | |
2603 | } | |
2604 | ||
2605 | /* l2qt */ | |
2606 | for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) { | |
2607 | if (ug_info->l2qt[i] >= ug_info->numQueuesRx) { | |
2608 | ugeth_err | |
2609 | ("%s: VLAN priority table entry must not be" | |
2610 | " larger than number of Rx queues.", | |
2611 | __FUNCTION__); | |
2612 | return -EINVAL; | |
2613 | } | |
2614 | } | |
2615 | ||
2616 | /* l3qt */ | |
2617 | for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) { | |
2618 | if (ug_info->l3qt[i] >= ug_info->numQueuesRx) { | |
2619 | ugeth_err | |
2620 | ("%s: IP priority table entry must not be" | |
2621 | " larger than number of Rx queues.", | |
2622 | __FUNCTION__); | |
2623 | return -EINVAL; | |
2624 | } | |
2625 | } | |
2626 | ||
2627 | if (ug_info->cam && !ug_info->ecamptr) { | |
2628 | ugeth_err("%s: If cam mode is chosen, must supply cam ptr.", | |
2629 | __FUNCTION__); | |
2630 | return -EINVAL; | |
2631 | } | |
2632 | ||
2633 | if ((ug_info->numStationAddresses != | |
2634 | UCC_GETH_NUM_OF_STATION_ADDRESSES_1) | |
2635 | && ug_info->rxExtendedFiltering) { | |
2636 | ugeth_err("%s: Number of station addresses greater than 1 " | |
2637 | "not allowed in extended parsing mode.", | |
2638 | __FUNCTION__); | |
2639 | return -EINVAL; | |
2640 | } | |
2641 | ||
2642 | /* Generate uccm_mask for receive */ | |
2643 | uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */ | |
2644 | for (i = 0; i < ug_info->numQueuesRx; i++) | |
2645 | uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i); | |
2646 | ||
2647 | for (i = 0; i < ug_info->numQueuesTx; i++) | |
2648 | uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i); | |
2649 | /* Initialize the general fast UCC block. */ | |
2650 | if (ucc_fast_init(uf_info, &uccf)) { | |
2651 | ugeth_err("%s: Failed to init uccf.", __FUNCTION__); | |
2652 | ucc_geth_memclean(ugeth); | |
2653 | return -ENOMEM; | |
2654 | } | |
2655 | ugeth->uccf = uccf; | |
2656 | ||
2657 | switch (ug_info->numThreadsRx) { | |
2658 | case UCC_GETH_NUM_OF_THREADS_1: | |
2659 | numThreadsRxNumerical = 1; | |
2660 | break; | |
2661 | case UCC_GETH_NUM_OF_THREADS_2: | |
2662 | numThreadsRxNumerical = 2; | |
2663 | break; | |
2664 | case UCC_GETH_NUM_OF_THREADS_4: | |
2665 | numThreadsRxNumerical = 4; | |
2666 | break; | |
2667 | case UCC_GETH_NUM_OF_THREADS_6: | |
2668 | numThreadsRxNumerical = 6; | |
2669 | break; | |
2670 | case UCC_GETH_NUM_OF_THREADS_8: | |
2671 | numThreadsRxNumerical = 8; | |
2672 | break; | |
2673 | default: | |
2674 | ugeth_err("%s: Bad number of Rx threads value.", __FUNCTION__); | |
2675 | ucc_geth_memclean(ugeth); | |
2676 | return -EINVAL; | |
2677 | break; | |
2678 | } | |
2679 | ||
2680 | switch (ug_info->numThreadsTx) { | |
2681 | case UCC_GETH_NUM_OF_THREADS_1: | |
2682 | numThreadsTxNumerical = 1; | |
2683 | break; | |
2684 | case UCC_GETH_NUM_OF_THREADS_2: | |
2685 | numThreadsTxNumerical = 2; | |
2686 | break; | |
2687 | case UCC_GETH_NUM_OF_THREADS_4: | |
2688 | numThreadsTxNumerical = 4; | |
2689 | break; | |
2690 | case UCC_GETH_NUM_OF_THREADS_6: | |
2691 | numThreadsTxNumerical = 6; | |
2692 | break; | |
2693 | case UCC_GETH_NUM_OF_THREADS_8: | |
2694 | numThreadsTxNumerical = 8; | |
2695 | break; | |
2696 | default: | |
2697 | ugeth_err("%s: Bad number of Tx threads value.", __FUNCTION__); | |
2698 | ucc_geth_memclean(ugeth); | |
2699 | return -EINVAL; | |
2700 | break; | |
2701 | } | |
2702 | ||
2703 | /* Calculate rx_extended_features */ | |
2704 | ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck || | |
2705 | ug_info->ipAddressAlignment || | |
2706 | (ug_info->numStationAddresses != | |
2707 | UCC_GETH_NUM_OF_STATION_ADDRESSES_1); | |
2708 | ||
2709 | ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features || | |
2710 | (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) | |
2711 | || (ug_info->vlanOperationNonTagged != | |
2712 | UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP); | |
2713 | ||
2714 | uf_regs = uccf->uf_regs; | |
2715 | ug_regs = (struct ucc_geth *) (uccf->uf_regs); | |
2716 | ugeth->ug_regs = ug_regs; | |
2717 | ||
2718 | init_default_reg_vals(&uf_regs->upsmr, | |
2719 | &ug_regs->maccfg1, &ug_regs->maccfg2); | |
2720 | ||
2721 | /* Set UPSMR */ | |
2722 | /* For more details see the hardware spec. */ | |
2723 | init_rx_parameters(ug_info->bro, | |
2724 | ug_info->rsh, ug_info->pro, &uf_regs->upsmr); | |
2725 | ||
2726 | /* We're going to ignore other registers for now, */ | |
2727 | /* except as needed to get up and running */ | |
2728 | ||
2729 | /* Set MACCFG1 */ | |
2730 | /* For more details see the hardware spec. */ | |
2731 | init_flow_control_params(ug_info->aufc, | |
2732 | ug_info->receiveFlowControl, | |
2733 | 1, | |
2734 | ug_info->pausePeriod, | |
2735 | ug_info->extensionField, | |
2736 | &uf_regs->upsmr, | |
2737 | &ug_regs->uempr, &ug_regs->maccfg1); | |
2738 | ||
2739 | maccfg1 = in_be32(&ug_regs->maccfg1); | |
2740 | maccfg1 |= MACCFG1_ENABLE_RX; | |
2741 | maccfg1 |= MACCFG1_ENABLE_TX; | |
2742 | out_be32(&ug_regs->maccfg1, maccfg1); | |
2743 | ||
2744 | /* Set IPGIFG */ | |
2745 | /* For more details see the hardware spec. */ | |
2746 | ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1, | |
2747 | ug_info->nonBackToBackIfgPart2, | |
2748 | ug_info-> | |
2749 | miminumInterFrameGapEnforcement, | |
2750 | ug_info->backToBackInterFrameGap, | |
2751 | &ug_regs->ipgifg); | |
2752 | if (ret_val != 0) { | |
2753 | ugeth_err("%s: IPGIFG initialization parameter too large.", | |
2754 | __FUNCTION__); | |
2755 | ucc_geth_memclean(ugeth); | |
2756 | return ret_val; | |
2757 | } | |
2758 | ||
2759 | /* Set HAFDUP */ | |
2760 | /* For more details see the hardware spec. */ | |
2761 | ret_val = init_half_duplex_params(ug_info->altBeb, | |
2762 | ug_info->backPressureNoBackoff, | |
2763 | ug_info->noBackoff, | |
2764 | ug_info->excessDefer, | |
2765 | ug_info->altBebTruncation, | |
2766 | ug_info->maxRetransmission, | |
2767 | ug_info->collisionWindow, | |
2768 | &ug_regs->hafdup); | |
2769 | if (ret_val != 0) { | |
2770 | ugeth_err("%s: Half Duplex initialization parameter too large.", | |
2771 | __FUNCTION__); | |
2772 | ucc_geth_memclean(ugeth); | |
2773 | return ret_val; | |
2774 | } | |
2775 | ||
2776 | /* Set IFSTAT */ | |
2777 | /* For more details see the hardware spec. */ | |
2778 | /* Read only - resets upon read */ | |
2779 | ifstat = in_be32(&ug_regs->ifstat); | |
2780 | ||
2781 | /* Clear UEMPR */ | |
2782 | /* For more details see the hardware spec. */ | |
2783 | out_be32(&ug_regs->uempr, 0); | |
2784 | ||
2785 | /* Set UESCR */ | |
2786 | /* For more details see the hardware spec. */ | |
2787 | init_hw_statistics_gathering_mode((ug_info->statisticsMode & | |
2788 | UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE), | |
2789 | 0, &uf_regs->upsmr, &ug_regs->uescr); | |
2790 | ||
2791 | /* Allocate Tx bds */ | |
2792 | for (j = 0; j < ug_info->numQueuesTx; j++) { | |
2793 | /* Allocate in multiple of | |
2794 | UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT, | |
2795 | according to spec */ | |
2796 | length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) | |
2797 | / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) | |
2798 | * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; | |
2799 | if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) % | |
2800 | UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) | |
2801 | length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; | |
2802 | if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { | |
2803 | u32 align = 4; | |
2804 | if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4) | |
2805 | align = UCC_GETH_TX_BD_RING_ALIGNMENT; | |
2806 | ugeth->tx_bd_ring_offset[j] = | |
2807 | kmalloc((u32) (length + align), GFP_KERNEL); | |
2808 | ||
2809 | if (ugeth->tx_bd_ring_offset[j] != 0) | |
2810 | ugeth->p_tx_bd_ring[j] = | |
2811 | (void*)((ugeth->tx_bd_ring_offset[j] + | |
2812 | align) & ~(align - 1)); | |
2813 | } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { | |
2814 | ugeth->tx_bd_ring_offset[j] = | |
2815 | qe_muram_alloc(length, | |
2816 | UCC_GETH_TX_BD_RING_ALIGNMENT); | |
2817 | if (!IS_MURAM_ERR(ugeth->tx_bd_ring_offset[j])) | |
2818 | ugeth->p_tx_bd_ring[j] = | |
2819 | (u8 *) qe_muram_addr(ugeth-> | |
2820 | tx_bd_ring_offset[j]); | |
2821 | } | |
2822 | if (!ugeth->p_tx_bd_ring[j]) { | |
2823 | ugeth_err | |
2824 | ("%s: Can not allocate memory for Tx bd rings.", | |
2825 | __FUNCTION__); | |
2826 | ucc_geth_memclean(ugeth); | |
2827 | return -ENOMEM; | |
2828 | } | |
2829 | /* Zero unused end of bd ring, according to spec */ | |
2830 | memset(ugeth->p_tx_bd_ring[j] + | |
2831 | ug_info->bdRingLenTx[j] * sizeof(struct qe_bd), 0, | |
2832 | length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)); | |
2833 | } | |
2834 | ||
2835 | /* Allocate Rx bds */ | |
2836 | for (j = 0; j < ug_info->numQueuesRx; j++) { | |
2837 | length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd); | |
2838 | if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { | |
2839 | u32 align = 4; | |
2840 | if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4) | |
2841 | align = UCC_GETH_RX_BD_RING_ALIGNMENT; | |
2842 | ugeth->rx_bd_ring_offset[j] = | |
2843 | kmalloc((u32) (length + align), GFP_KERNEL); | |
2844 | if (ugeth->rx_bd_ring_offset[j] != 0) | |
2845 | ugeth->p_rx_bd_ring[j] = | |
2846 | (void*)((ugeth->rx_bd_ring_offset[j] + | |
2847 | align) & ~(align - 1)); | |
2848 | } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { | |
2849 | ugeth->rx_bd_ring_offset[j] = | |
2850 | qe_muram_alloc(length, | |
2851 | UCC_GETH_RX_BD_RING_ALIGNMENT); | |
2852 | if (!IS_MURAM_ERR(ugeth->rx_bd_ring_offset[j])) | |
2853 | ugeth->p_rx_bd_ring[j] = | |
2854 | (u8 *) qe_muram_addr(ugeth-> | |
2855 | rx_bd_ring_offset[j]); | |
2856 | } | |
2857 | if (!ugeth->p_rx_bd_ring[j]) { | |
2858 | ugeth_err | |
2859 | ("%s: Can not allocate memory for Rx bd rings.", | |
2860 | __FUNCTION__); | |
2861 | ucc_geth_memclean(ugeth); | |
2862 | return -ENOMEM; | |
2863 | } | |
2864 | } | |
2865 | ||
2866 | /* Init Tx bds */ | |
2867 | for (j = 0; j < ug_info->numQueuesTx; j++) { | |
2868 | /* Setup the skbuff rings */ | |
2869 | ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * | |
2870 | ugeth->ug_info->bdRingLenTx[j], | |
2871 | GFP_KERNEL); | |
2872 | ||
2873 | if (ugeth->tx_skbuff[j] == NULL) { | |
2874 | ugeth_err("%s: Could not allocate tx_skbuff", | |
2875 | __FUNCTION__); | |
2876 | ucc_geth_memclean(ugeth); | |
2877 | return -ENOMEM; | |
2878 | } | |
2879 | ||
2880 | for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++) | |
2881 | ugeth->tx_skbuff[j][i] = NULL; | |
2882 | ||
2883 | ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0; | |
2884 | bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j]; | |
2885 | for (i = 0; i < ug_info->bdRingLenTx[j]; i++) { | |
2886 | /* clear bd buffer */ | |
2887 | out_be32(&((struct qe_bd *)bd)->buf, 0); | |
2888 | /* set bd status and length */ | |
2889 | out_be32((u32 *)bd, 0); | |
2890 | bd += sizeof(struct qe_bd); | |
2891 | } | |
2892 | bd -= sizeof(struct qe_bd); | |
2893 | /* set bd status and length */ | |
2894 | out_be32((u32 *)bd, T_W); /* for last BD set Wrap bit */ | |
2895 | } | |
2896 | ||
2897 | /* Init Rx bds */ | |
2898 | for (j = 0; j < ug_info->numQueuesRx; j++) { | |
2899 | /* Setup the skbuff rings */ | |
2900 | ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * | |
2901 | ugeth->ug_info->bdRingLenRx[j], | |
2902 | GFP_KERNEL); | |
2903 | ||
2904 | if (ugeth->rx_skbuff[j] == NULL) { | |
2905 | ugeth_err("%s: Could not allocate rx_skbuff", | |
2906 | __FUNCTION__); | |
2907 | ucc_geth_memclean(ugeth); | |
2908 | return -ENOMEM; | |
2909 | } | |
2910 | ||
2911 | for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++) | |
2912 | ugeth->rx_skbuff[j][i] = NULL; | |
2913 | ||
2914 | ugeth->skb_currx[j] = 0; | |
2915 | bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j]; | |
2916 | for (i = 0; i < ug_info->bdRingLenRx[j]; i++) { | |
2917 | /* set bd status and length */ | |
2918 | out_be32((u32 *)bd, R_I); | |
2919 | /* clear bd buffer */ | |
2920 | out_be32(&((struct qe_bd *)bd)->buf, 0); | |
2921 | bd += sizeof(struct qe_bd); | |
2922 | } | |
2923 | bd -= sizeof(struct qe_bd); | |
2924 | /* set bd status and length */ | |
2925 | out_be32((u32 *)bd, R_W); /* for last BD set Wrap bit */ | |
2926 | } | |
2927 | ||
2928 | /* | |
2929 | * Global PRAM | |
2930 | */ | |
2931 | /* Tx global PRAM */ | |
2932 | /* Allocate global tx parameter RAM page */ | |
2933 | ugeth->tx_glbl_pram_offset = | |
2934 | qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram), | |
2935 | UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT); | |
2936 | if (IS_MURAM_ERR(ugeth->tx_glbl_pram_offset)) { | |
2937 | ugeth_err | |
2938 | ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.", | |
2939 | __FUNCTION__); | |
2940 | ucc_geth_memclean(ugeth); | |
2941 | return -ENOMEM; | |
2942 | } | |
2943 | ugeth->p_tx_glbl_pram = | |
2944 | (struct ucc_geth_tx_global_pram *) qe_muram_addr(ugeth-> | |
2945 | tx_glbl_pram_offset); | |
2946 | /* Zero out p_tx_glbl_pram */ | |
2947 | memset(ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram)); | |
2948 | ||
2949 | /* Fill global PRAM */ | |
2950 | ||
2951 | /* TQPTR */ | |
2952 | /* Size varies with number of Tx threads */ | |
2953 | ugeth->thread_dat_tx_offset = | |
2954 | qe_muram_alloc(numThreadsTxNumerical * | |
2955 | sizeof(struct ucc_geth_thread_data_tx) + | |
2956 | 32 * (numThreadsTxNumerical == 1), | |
2957 | UCC_GETH_THREAD_DATA_ALIGNMENT); | |
2958 | if (IS_MURAM_ERR(ugeth->thread_dat_tx_offset)) { | |
2959 | ugeth_err | |
2960 | ("%s: Can not allocate DPRAM memory for p_thread_data_tx.", | |
2961 | __FUNCTION__); | |
2962 | ucc_geth_memclean(ugeth); | |
2963 | return -ENOMEM; | |
2964 | } | |
2965 | ||
2966 | ugeth->p_thread_data_tx = | |
2967 | (struct ucc_geth_thread_data_tx *) qe_muram_addr(ugeth-> | |
2968 | thread_dat_tx_offset); | |
2969 | out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset); | |
2970 | ||
2971 | /* vtagtable */ | |
2972 | for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++) | |
2973 | out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i], | |
2974 | ug_info->vtagtable[i]); | |
2975 | ||
2976 | /* iphoffset */ | |
2977 | for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++) | |
2978 | ugeth->p_tx_glbl_pram->iphoffset[i] = ug_info->iphoffset[i]; | |
2979 | ||
2980 | /* SQPTR */ | |
2981 | /* Size varies with number of Tx queues */ | |
2982 | ugeth->send_q_mem_reg_offset = | |
2983 | qe_muram_alloc(ug_info->numQueuesTx * | |
2984 | sizeof(struct ucc_geth_send_queue_qd), | |
2985 | UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); | |
2986 | if (IS_MURAM_ERR(ugeth->send_q_mem_reg_offset)) { | |
2987 | ugeth_err | |
2988 | ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.", | |
2989 | __FUNCTION__); | |
2990 | ucc_geth_memclean(ugeth); | |
2991 | return -ENOMEM; | |
2992 | } | |
2993 | ||
2994 | ugeth->p_send_q_mem_reg = | |
2995 | (struct ucc_geth_send_queue_mem_region *) qe_muram_addr(ugeth-> | |
2996 | send_q_mem_reg_offset); | |
2997 | out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset); | |
2998 | ||
2999 | /* Setup the table */ | |
3000 | /* Assume BD rings are already established */ | |
3001 | for (i = 0; i < ug_info->numQueuesTx; i++) { | |
3002 | endOfRing = | |
3003 | ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] - | |
3004 | 1) * sizeof(struct qe_bd); | |
3005 | if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) { | |
3006 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, | |
3007 | (u32) virt_to_phys(ugeth->p_tx_bd_ring[i])); | |
3008 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. | |
3009 | last_bd_completed_address, | |
3010 | (u32) virt_to_phys(endOfRing)); | |
3011 | } else if (ugeth->ug_info->uf_info.bd_mem_part == | |
3012 | MEM_PART_MURAM) { | |
3013 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, | |
3014 | (u32) immrbar_virt_to_phys(ugeth-> | |
3015 | p_tx_bd_ring[i])); | |
3016 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. | |
3017 | last_bd_completed_address, | |
3018 | (u32) immrbar_virt_to_phys(endOfRing)); | |
3019 | } | |
3020 | } | |
3021 | ||
3022 | /* schedulerbasepointer */ | |
3023 | ||
3024 | if (ug_info->numQueuesTx > 1) { | |
3025 | /* scheduler exists only if more than 1 tx queue */ | |
3026 | ugeth->scheduler_offset = | |
3027 | qe_muram_alloc(sizeof(struct ucc_geth_scheduler), | |
3028 | UCC_GETH_SCHEDULER_ALIGNMENT); | |
3029 | if (IS_MURAM_ERR(ugeth->scheduler_offset)) { | |
3030 | ugeth_err | |
3031 | ("%s: Can not allocate DPRAM memory for p_scheduler.", | |
3032 | __FUNCTION__); | |
3033 | ucc_geth_memclean(ugeth); | |
3034 | return -ENOMEM; | |
3035 | } | |
3036 | ||
3037 | ugeth->p_scheduler = | |
3038 | (struct ucc_geth_scheduler *) qe_muram_addr(ugeth-> | |
3039 | scheduler_offset); | |
3040 | out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer, | |
3041 | ugeth->scheduler_offset); | |
3042 | /* Zero out p_scheduler */ | |
3043 | memset(ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler)); | |
3044 | ||
3045 | /* Set values in scheduler */ | |
3046 | out_be32(&ugeth->p_scheduler->mblinterval, | |
3047 | ug_info->mblinterval); | |
3048 | out_be16(&ugeth->p_scheduler->nortsrbytetime, | |
3049 | ug_info->nortsrbytetime); | |
3050 | ugeth->p_scheduler->fracsiz = ug_info->fracsiz; | |
3051 | ugeth->p_scheduler->strictpriorityq = ug_info->strictpriorityq; | |
3052 | ugeth->p_scheduler->txasap = ug_info->txasap; | |
3053 | ugeth->p_scheduler->extrabw = ug_info->extrabw; | |
3054 | for (i = 0; i < NUM_TX_QUEUES; i++) | |
3055 | ugeth->p_scheduler->weightfactor[i] = | |
3056 | ug_info->weightfactor[i]; | |
3057 | ||
3058 | /* Set pointers to cpucount registers in scheduler */ | |
3059 | ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0); | |
3060 | ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1); | |
3061 | ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2); | |
3062 | ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3); | |
3063 | ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4); | |
3064 | ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5); | |
3065 | ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6); | |
3066 | ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7); | |
3067 | } | |
3068 | ||
3069 | /* schedulerbasepointer */ | |
3070 | /* TxRMON_PTR (statistics) */ | |
3071 | if (ug_info-> | |
3072 | statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
3073 | ugeth->tx_fw_statistics_pram_offset = | |
3074 | qe_muram_alloc(sizeof | |
3075 | (struct ucc_geth_tx_firmware_statistics_pram), | |
3076 | UCC_GETH_TX_STATISTICS_ALIGNMENT); | |
3077 | if (IS_MURAM_ERR(ugeth->tx_fw_statistics_pram_offset)) { | |
3078 | ugeth_err | |
3079 | ("%s: Can not allocate DPRAM memory for" | |
3080 | " p_tx_fw_statistics_pram.", __FUNCTION__); | |
3081 | ucc_geth_memclean(ugeth); | |
3082 | return -ENOMEM; | |
3083 | } | |
3084 | ugeth->p_tx_fw_statistics_pram = | |
3085 | (struct ucc_geth_tx_firmware_statistics_pram *) | |
3086 | qe_muram_addr(ugeth->tx_fw_statistics_pram_offset); | |
3087 | /* Zero out p_tx_fw_statistics_pram */ | |
3088 | memset(ugeth->p_tx_fw_statistics_pram, | |
3089 | 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram)); | |
3090 | } | |
3091 | ||
3092 | /* temoder */ | |
3093 | /* Already has speed set */ | |
3094 | ||
3095 | if (ug_info->numQueuesTx > 1) | |
3096 | temoder |= TEMODER_SCHEDULER_ENABLE; | |
3097 | if (ug_info->ipCheckSumGenerate) | |
3098 | temoder |= TEMODER_IP_CHECKSUM_GENERATE; | |
3099 | temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT); | |
3100 | out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder); | |
3101 | ||
3102 | test = in_be16(&ugeth->p_tx_glbl_pram->temoder); | |
3103 | ||
3104 | /* Function code register value to be used later */ | |
3105 | function_code = QE_BMR_BYTE_ORDER_BO_MOT | UCC_FAST_FUNCTION_CODE_GBL; | |
3106 | /* Required for QE */ | |
3107 | ||
3108 | /* function code register */ | |
3109 | out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24); | |
3110 | ||
3111 | /* Rx global PRAM */ | |
3112 | /* Allocate global rx parameter RAM page */ | |
3113 | ugeth->rx_glbl_pram_offset = | |
3114 | qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram), | |
3115 | UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT); | |
3116 | if (IS_MURAM_ERR(ugeth->rx_glbl_pram_offset)) { | |
3117 | ugeth_err | |
3118 | ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.", | |
3119 | __FUNCTION__); | |
3120 | ucc_geth_memclean(ugeth); | |
3121 | return -ENOMEM; | |
3122 | } | |
3123 | ugeth->p_rx_glbl_pram = | |
3124 | (struct ucc_geth_rx_global_pram *) qe_muram_addr(ugeth-> | |
3125 | rx_glbl_pram_offset); | |
3126 | /* Zero out p_rx_glbl_pram */ | |
3127 | memset(ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram)); | |
3128 | ||
3129 | /* Fill global PRAM */ | |
3130 | ||
3131 | /* RQPTR */ | |
3132 | /* Size varies with number of Rx threads */ | |
3133 | ugeth->thread_dat_rx_offset = | |
3134 | qe_muram_alloc(numThreadsRxNumerical * | |
3135 | sizeof(struct ucc_geth_thread_data_rx), | |
3136 | UCC_GETH_THREAD_DATA_ALIGNMENT); | |
3137 | if (IS_MURAM_ERR(ugeth->thread_dat_rx_offset)) { | |
3138 | ugeth_err | |
3139 | ("%s: Can not allocate DPRAM memory for p_thread_data_rx.", | |
3140 | __FUNCTION__); | |
3141 | ucc_geth_memclean(ugeth); | |
3142 | return -ENOMEM; | |
3143 | } | |
3144 | ||
3145 | ugeth->p_thread_data_rx = | |
3146 | (struct ucc_geth_thread_data_rx *) qe_muram_addr(ugeth-> | |
3147 | thread_dat_rx_offset); | |
3148 | out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset); | |
3149 | ||
3150 | /* typeorlen */ | |
3151 | out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen); | |
3152 | ||
3153 | /* rxrmonbaseptr (statistics) */ | |
3154 | if (ug_info-> | |
3155 | statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) { | |
3156 | ugeth->rx_fw_statistics_pram_offset = | |
3157 | qe_muram_alloc(sizeof | |
3158 | (struct ucc_geth_rx_firmware_statistics_pram), | |
3159 | UCC_GETH_RX_STATISTICS_ALIGNMENT); | |
3160 | if (IS_MURAM_ERR(ugeth->rx_fw_statistics_pram_offset)) { | |
3161 | ugeth_err | |
3162 | ("%s: Can not allocate DPRAM memory for" | |
3163 | " p_rx_fw_statistics_pram.", __FUNCTION__); | |
3164 | ucc_geth_memclean(ugeth); | |
3165 | return -ENOMEM; | |
3166 | } | |
3167 | ugeth->p_rx_fw_statistics_pram = | |
3168 | (struct ucc_geth_rx_firmware_statistics_pram *) | |
3169 | qe_muram_addr(ugeth->rx_fw_statistics_pram_offset); | |
3170 | /* Zero out p_rx_fw_statistics_pram */ | |
3171 | memset(ugeth->p_rx_fw_statistics_pram, 0, | |
3172 | sizeof(struct ucc_geth_rx_firmware_statistics_pram)); | |
3173 | } | |
3174 | ||
3175 | /* intCoalescingPtr */ | |
3176 | ||
3177 | /* Size varies with number of Rx queues */ | |
3178 | ugeth->rx_irq_coalescing_tbl_offset = | |
3179 | qe_muram_alloc(ug_info->numQueuesRx * | |
3180 | sizeof(struct ucc_geth_rx_interrupt_coalescing_entry), | |
3181 | UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT); | |
3182 | if (IS_MURAM_ERR(ugeth->rx_irq_coalescing_tbl_offset)) { | |
3183 | ugeth_err | |
3184 | ("%s: Can not allocate DPRAM memory for" | |
3185 | " p_rx_irq_coalescing_tbl.", __FUNCTION__); | |
3186 | ucc_geth_memclean(ugeth); | |
3187 | return -ENOMEM; | |
3188 | } | |
3189 | ||
3190 | ugeth->p_rx_irq_coalescing_tbl = | |
3191 | (struct ucc_geth_rx_interrupt_coalescing_table *) | |
3192 | qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset); | |
3193 | out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr, | |
3194 | ugeth->rx_irq_coalescing_tbl_offset); | |
3195 | ||
3196 | /* Fill interrupt coalescing table */ | |
3197 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
3198 | out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. | |
3199 | interruptcoalescingmaxvalue, | |
3200 | ug_info->interruptcoalescingmaxvalue[i]); | |
3201 | out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. | |
3202 | interruptcoalescingcounter, | |
3203 | ug_info->interruptcoalescingmaxvalue[i]); | |
3204 | } | |
3205 | ||
3206 | /* MRBLR */ | |
3207 | init_max_rx_buff_len(uf_info->max_rx_buf_length, | |
3208 | &ugeth->p_rx_glbl_pram->mrblr); | |
3209 | /* MFLR */ | |
3210 | out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength); | |
3211 | /* MINFLR */ | |
3212 | init_min_frame_len(ug_info->minFrameLength, | |
3213 | &ugeth->p_rx_glbl_pram->minflr, | |
3214 | &ugeth->p_rx_glbl_pram->mrblr); | |
3215 | /* MAXD1 */ | |
3216 | out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length); | |
3217 | /* MAXD2 */ | |
3218 | out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length); | |
3219 | ||
3220 | /* l2qt */ | |
3221 | l2qt = 0; | |
3222 | for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) | |
3223 | l2qt |= (ug_info->l2qt[i] << (28 - 4 * i)); | |
3224 | out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt); | |
3225 | ||
3226 | /* l3qt */ | |
3227 | for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) { | |
3228 | l3qt = 0; | |
3229 | for (i = 0; i < 8; i++) | |
3230 | l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i)); | |
3231 | out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt); | |
3232 | } | |
3233 | ||
3234 | /* vlantype */ | |
3235 | out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype); | |
3236 | ||
3237 | /* vlantci */ | |
3238 | out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci); | |
3239 | ||
3240 | /* ecamptr */ | |
3241 | out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr); | |
3242 | ||
3243 | /* RBDQPTR */ | |
3244 | /* Size varies with number of Rx queues */ | |
3245 | ugeth->rx_bd_qs_tbl_offset = | |
3246 | qe_muram_alloc(ug_info->numQueuesRx * | |
3247 | (sizeof(struct ucc_geth_rx_bd_queues_entry) + | |
3248 | sizeof(struct ucc_geth_rx_prefetched_bds)), | |
3249 | UCC_GETH_RX_BD_QUEUES_ALIGNMENT); | |
3250 | if (IS_MURAM_ERR(ugeth->rx_bd_qs_tbl_offset)) { | |
3251 | ugeth_err | |
3252 | ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.", | |
3253 | __FUNCTION__); | |
3254 | ucc_geth_memclean(ugeth); | |
3255 | return -ENOMEM; | |
3256 | } | |
3257 | ||
3258 | ugeth->p_rx_bd_qs_tbl = | |
3259 | (struct ucc_geth_rx_bd_queues_entry *) qe_muram_addr(ugeth-> | |
3260 | rx_bd_qs_tbl_offset); | |
3261 | out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset); | |
3262 | /* Zero out p_rx_bd_qs_tbl */ | |
3263 | memset(ugeth->p_rx_bd_qs_tbl, | |
3264 | 0, | |
3265 | ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) + | |
3266 | sizeof(struct ucc_geth_rx_prefetched_bds))); | |
3267 | ||
3268 | /* Setup the table */ | |
3269 | /* Assume BD rings are already established */ | |
3270 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
3271 | if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) { | |
3272 | out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
3273 | (u32) virt_to_phys(ugeth->p_rx_bd_ring[i])); | |
3274 | } else if (ugeth->ug_info->uf_info.bd_mem_part == | |
3275 | MEM_PART_MURAM) { | |
3276 | out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
3277 | (u32) immrbar_virt_to_phys(ugeth-> | |
3278 | p_rx_bd_ring[i])); | |
3279 | } | |
3280 | /* rest of fields handled by QE */ | |
3281 | } | |
3282 | ||
3283 | /* remoder */ | |
3284 | /* Already has speed set */ | |
3285 | ||
3286 | if (ugeth->rx_extended_features) | |
3287 | remoder |= REMODER_RX_EXTENDED_FEATURES; | |
3288 | if (ug_info->rxExtendedFiltering) | |
3289 | remoder |= REMODER_RX_EXTENDED_FILTERING; | |
3290 | if (ug_info->dynamicMaxFrameLength) | |
3291 | remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH; | |
3292 | if (ug_info->dynamicMinFrameLength) | |
3293 | remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH; | |
3294 | remoder |= | |
3295 | ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT; | |
3296 | remoder |= | |
3297 | ug_info-> | |
3298 | vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT; | |
3299 | remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT; | |
3300 | remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT); | |
3301 | if (ug_info->ipCheckSumCheck) | |
3302 | remoder |= REMODER_IP_CHECKSUM_CHECK; | |
3303 | if (ug_info->ipAddressAlignment) | |
3304 | remoder |= REMODER_IP_ADDRESS_ALIGNMENT; | |
3305 | out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder); | |
3306 | ||
3307 | /* Note that this function must be called */ | |
3308 | /* ONLY AFTER p_tx_fw_statistics_pram */ | |
3309 | /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */ | |
3310 | init_firmware_statistics_gathering_mode((ug_info-> | |
3311 | statisticsMode & | |
3312 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX), | |
3313 | (ug_info->statisticsMode & | |
3314 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX), | |
3315 | &ugeth->p_tx_glbl_pram->txrmonbaseptr, | |
3316 | ugeth->tx_fw_statistics_pram_offset, | |
3317 | &ugeth->p_rx_glbl_pram->rxrmonbaseptr, | |
3318 | ugeth->rx_fw_statistics_pram_offset, | |
3319 | &ugeth->p_tx_glbl_pram->temoder, | |
3320 | &ugeth->p_rx_glbl_pram->remoder); | |
3321 | ||
3322 | /* function code register */ | |
3323 | ugeth->p_rx_glbl_pram->rstate = function_code; | |
3324 | ||
3325 | /* initialize extended filtering */ | |
3326 | if (ug_info->rxExtendedFiltering) { | |
3327 | if (!ug_info->extendedFilteringChainPointer) { | |
3328 | ugeth_err("%s: Null Extended Filtering Chain Pointer.", | |
3329 | __FUNCTION__); | |
3330 | ucc_geth_memclean(ugeth); | |
3331 | return -EINVAL; | |
3332 | } | |
3333 | ||
3334 | /* Allocate memory for extended filtering Mode Global | |
3335 | Parameters */ | |
3336 | ugeth->exf_glbl_param_offset = | |
3337 | qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram), | |
3338 | UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT); | |
3339 | if (IS_MURAM_ERR(ugeth->exf_glbl_param_offset)) { | |
3340 | ugeth_err | |
3341 | ("%s: Can not allocate DPRAM memory for" | |
3342 | " p_exf_glbl_param.", __FUNCTION__); | |
3343 | ucc_geth_memclean(ugeth); | |
3344 | return -ENOMEM; | |
3345 | } | |
3346 | ||
3347 | ugeth->p_exf_glbl_param = | |
3348 | (struct ucc_geth_exf_global_pram *) qe_muram_addr(ugeth-> | |
3349 | exf_glbl_param_offset); | |
3350 | out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam, | |
3351 | ugeth->exf_glbl_param_offset); | |
3352 | out_be32(&ugeth->p_exf_glbl_param->l2pcdptr, | |
3353 | (u32) ug_info->extendedFilteringChainPointer); | |
3354 | ||
3355 | } else { /* initialize 82xx style address filtering */ | |
3356 | ||
3357 | /* Init individual address recognition registers to disabled */ | |
3358 | ||
3359 | for (j = 0; j < NUM_OF_PADDRS; j++) | |
3360 | ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j); | |
3361 | ||
3362 | /* Create CQs for hash tables */ | |
3363 | if (ug_info->maxGroupAddrInHash > 0) { | |
3364 | INIT_LIST_HEAD(&ugeth->group_hash_q); | |
3365 | } | |
3366 | if (ug_info->maxIndAddrInHash > 0) { | |
3367 | INIT_LIST_HEAD(&ugeth->ind_hash_q); | |
3368 | } | |
3369 | p_82xx_addr_filt = | |
3370 | (struct ucc_geth_82xx_address_filtering_pram *) ugeth-> | |
3371 | p_rx_glbl_pram->addressfiltering; | |
3372 | ||
3373 | ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, | |
3374 | ENET_ADDR_TYPE_GROUP); | |
3375 | ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, | |
3376 | ENET_ADDR_TYPE_INDIVIDUAL); | |
3377 | } | |
3378 | ||
3379 | /* | |
3380 | * Initialize UCC at QE level | |
3381 | */ | |
3382 | ||
3383 | command = QE_INIT_TX_RX; | |
3384 | ||
3385 | /* Allocate shadow InitEnet command parameter structure. | |
3386 | * This is needed because after the InitEnet command is executed, | |
3387 | * the structure in DPRAM is released, because DPRAM is a premium | |
3388 | * resource. | |
3389 | * This shadow structure keeps a copy of what was done so that the | |
3390 | * allocated resources can be released when the channel is freed. | |
3391 | */ | |
3392 | if (!(ugeth->p_init_enet_param_shadow = | |
3393 | kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) { | |
3394 | ugeth_err | |
3395 | ("%s: Can not allocate memory for" | |
3396 | " p_UccInitEnetParamShadows.", __FUNCTION__); | |
3397 | ucc_geth_memclean(ugeth); | |
3398 | return -ENOMEM; | |
3399 | } | |
3400 | /* Zero out *p_init_enet_param_shadow */ | |
3401 | memset((char *)ugeth->p_init_enet_param_shadow, | |
3402 | 0, sizeof(struct ucc_geth_init_pram)); | |
3403 | ||
3404 | /* Fill shadow InitEnet command parameter structure */ | |
3405 | ||
3406 | ugeth->p_init_enet_param_shadow->resinit1 = | |
3407 | ENET_INIT_PARAM_MAGIC_RES_INIT1; | |
3408 | ugeth->p_init_enet_param_shadow->resinit2 = | |
3409 | ENET_INIT_PARAM_MAGIC_RES_INIT2; | |
3410 | ugeth->p_init_enet_param_shadow->resinit3 = | |
3411 | ENET_INIT_PARAM_MAGIC_RES_INIT3; | |
3412 | ugeth->p_init_enet_param_shadow->resinit4 = | |
3413 | ENET_INIT_PARAM_MAGIC_RES_INIT4; | |
3414 | ugeth->p_init_enet_param_shadow->resinit5 = | |
3415 | ENET_INIT_PARAM_MAGIC_RES_INIT5; | |
3416 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
3417 | ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT; | |
3418 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
3419 | ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT; | |
3420 | ||
3421 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
3422 | ugeth->rx_glbl_pram_offset | ug_info->riscRx; | |
3423 | if ((ug_info->largestexternallookupkeysize != | |
3424 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) | |
3425 | && (ug_info->largestexternallookupkeysize != | |
3426 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) | |
3427 | && (ug_info->largestexternallookupkeysize != | |
3428 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) { | |
3429 | ugeth_err("%s: Invalid largest External Lookup Key Size.", | |
3430 | __FUNCTION__); | |
3431 | ucc_geth_memclean(ugeth); | |
3432 | return -EINVAL; | |
3433 | } | |
3434 | ugeth->p_init_enet_param_shadow->largestexternallookupkeysize = | |
3435 | ug_info->largestexternallookupkeysize; | |
3436 | size = sizeof(struct ucc_geth_thread_rx_pram); | |
3437 | if (ug_info->rxExtendedFiltering) { | |
3438 | size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; | |
3439 | if (ug_info->largestexternallookupkeysize == | |
3440 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) | |
3441 | size += | |
3442 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; | |
3443 | if (ug_info->largestexternallookupkeysize == | |
3444 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) | |
3445 | size += | |
3446 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; | |
3447 | } | |
3448 | ||
3449 | if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth-> | |
3450 | p_init_enet_param_shadow->rxthread[0]), | |
3451 | (u8) (numThreadsRxNumerical + 1) | |
3452 | /* Rx needs one extra for terminator */ | |
3453 | , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT, | |
3454 | ug_info->riscRx, 1)) != 0) { | |
3455 | ugeth_err("%s: Can not fill p_init_enet_param_shadow.", | |
3456 | __FUNCTION__); | |
3457 | ucc_geth_memclean(ugeth); | |
3458 | return ret_val; | |
3459 | } | |
3460 | ||
3461 | ugeth->p_init_enet_param_shadow->txglobal = | |
3462 | ugeth->tx_glbl_pram_offset | ug_info->riscTx; | |
3463 | if ((ret_val = | |
3464 | fill_init_enet_entries(ugeth, | |
3465 | &(ugeth->p_init_enet_param_shadow-> | |
3466 | txthread[0]), numThreadsTxNumerical, | |
3467 | sizeof(struct ucc_geth_thread_tx_pram), | |
3468 | UCC_GETH_THREAD_TX_PRAM_ALIGNMENT, | |
3469 | ug_info->riscTx, 0)) != 0) { | |
3470 | ugeth_err("%s: Can not fill p_init_enet_param_shadow.", | |
3471 | __FUNCTION__); | |
3472 | ucc_geth_memclean(ugeth); | |
3473 | return ret_val; | |
3474 | } | |
3475 | ||
3476 | /* Load Rx bds with buffers */ | |
3477 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
3478 | if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) { | |
3479 | ugeth_err("%s: Can not fill Rx bds with buffers.", | |
3480 | __FUNCTION__); | |
3481 | ucc_geth_memclean(ugeth); | |
3482 | return ret_val; | |
3483 | } | |
3484 | } | |
3485 | ||
3486 | /* Allocate InitEnet command parameter structure */ | |
3487 | init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4); | |
3488 | if (IS_MURAM_ERR(init_enet_pram_offset)) { | |
3489 | ugeth_err | |
3490 | ("%s: Can not allocate DPRAM memory for p_init_enet_pram.", | |
3491 | __FUNCTION__); | |
3492 | ucc_geth_memclean(ugeth); | |
3493 | return -ENOMEM; | |
3494 | } | |
3495 | p_init_enet_pram = | |
3496 | (struct ucc_geth_init_pram *) qe_muram_addr(init_enet_pram_offset); | |
3497 | ||
3498 | /* Copy shadow InitEnet command parameter structure into PRAM */ | |
3499 | p_init_enet_pram->resinit1 = ugeth->p_init_enet_param_shadow->resinit1; | |
3500 | p_init_enet_pram->resinit2 = ugeth->p_init_enet_param_shadow->resinit2; | |
3501 | p_init_enet_pram->resinit3 = ugeth->p_init_enet_param_shadow->resinit3; | |
3502 | p_init_enet_pram->resinit4 = ugeth->p_init_enet_param_shadow->resinit4; | |
3503 | out_be16(&p_init_enet_pram->resinit5, | |
3504 | ugeth->p_init_enet_param_shadow->resinit5); | |
3505 | p_init_enet_pram->largestexternallookupkeysize = | |
3506 | ugeth->p_init_enet_param_shadow->largestexternallookupkeysize; | |
3507 | out_be32(&p_init_enet_pram->rgftgfrxglobal, | |
3508 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal); | |
3509 | for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++) | |
3510 | out_be32(&p_init_enet_pram->rxthread[i], | |
3511 | ugeth->p_init_enet_param_shadow->rxthread[i]); | |
3512 | out_be32(&p_init_enet_pram->txglobal, | |
3513 | ugeth->p_init_enet_param_shadow->txglobal); | |
3514 | for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++) | |
3515 | out_be32(&p_init_enet_pram->txthread[i], | |
3516 | ugeth->p_init_enet_param_shadow->txthread[i]); | |
3517 | ||
3518 | /* Issue QE command */ | |
3519 | cecr_subblock = | |
3520 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
3521 | qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, | |
3522 | init_enet_pram_offset); | |
3523 | ||
3524 | /* Free InitEnet command parameter */ | |
3525 | qe_muram_free(init_enet_pram_offset); | |
3526 | ||
3527 | return 0; | |
3528 | } | |
3529 | ||
3530 | /* returns a net_device_stats structure pointer */ | |
3531 | static struct net_device_stats *ucc_geth_get_stats(struct net_device *dev) | |
3532 | { | |
3533 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3534 | ||
3535 | return &(ugeth->stats); | |
3536 | } | |
3537 | ||
3538 | /* ucc_geth_timeout gets called when a packet has not been | |
3539 | * transmitted after a set amount of time. | |
3540 | * For now, assume that clearing out all the structures, and | |
3541 | * starting over will fix the problem. */ | |
3542 | static void ucc_geth_timeout(struct net_device *dev) | |
3543 | { | |
3544 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3545 | ||
3546 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3547 | ||
3548 | ugeth->stats.tx_errors++; | |
3549 | ||
3550 | ugeth_dump_regs(ugeth); | |
3551 | ||
3552 | if (dev->flags & IFF_UP) { | |
3553 | ucc_geth_stop(ugeth); | |
3554 | ucc_geth_startup(ugeth); | |
3555 | } | |
3556 | ||
3557 | netif_schedule(dev); | |
3558 | } | |
3559 | ||
3560 | /* This is called by the kernel when a frame is ready for transmission. */ | |
3561 | /* It is pointed to by the dev->hard_start_xmit function pointer */ | |
3562 | static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
3563 | { | |
3564 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3565 | u8 *bd; /* BD pointer */ | |
3566 | u32 bd_status; | |
3567 | u8 txQ = 0; | |
3568 | ||
3569 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3570 | ||
3571 | spin_lock_irq(&ugeth->lock); | |
3572 | ||
3573 | ugeth->stats.tx_bytes += skb->len; | |
3574 | ||
3575 | /* Start from the next BD that should be filled */ | |
3576 | bd = ugeth->txBd[txQ]; | |
3577 | bd_status = in_be32((u32 *)bd); | |
3578 | /* Save the skb pointer so we can free it later */ | |
3579 | ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb; | |
3580 | ||
3581 | /* Update the current skb pointer (wrapping if this was the last) */ | |
3582 | ugeth->skb_curtx[txQ] = | |
3583 | (ugeth->skb_curtx[txQ] + | |
3584 | 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); | |
3585 | ||
3586 | /* set up the buffer descriptor */ | |
3587 | out_be32(&((struct qe_bd *)bd)->buf, | |
3588 | dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE)); | |
3589 | ||
3590 | /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */ | |
3591 | ||
3592 | bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len; | |
3593 | ||
3594 | /* set bd status and length */ | |
3595 | out_be32((u32 *)bd, bd_status); | |
3596 | ||
3597 | dev->trans_start = jiffies; | |
3598 | ||
3599 | /* Move to next BD in the ring */ | |
3600 | if (!(bd_status & T_W)) | |
3601 | bd += sizeof(struct qe_bd); | |
3602 | else | |
3603 | bd = ugeth->p_tx_bd_ring[txQ]; | |
3604 | ||
3605 | /* If the next BD still needs to be cleaned up, then the bds | |
3606 | are full. We need to tell the kernel to stop sending us stuff. */ | |
3607 | if (bd == ugeth->confBd[txQ]) { | |
3608 | if (!netif_queue_stopped(dev)) | |
3609 | netif_stop_queue(dev); | |
3610 | } | |
3611 | ||
3612 | ugeth->txBd[txQ] = bd; | |
3613 | ||
3614 | if (ugeth->p_scheduler) { | |
3615 | ugeth->cpucount[txQ]++; | |
3616 | /* Indicate to QE that there are more Tx bds ready for | |
3617 | transmission */ | |
3618 | /* This is done by writing a running counter of the bd | |
3619 | count to the scheduler PRAM. */ | |
3620 | out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]); | |
3621 | } | |
3622 | ||
3623 | spin_unlock_irq(&ugeth->lock); | |
3624 | ||
3625 | return 0; | |
3626 | } | |
3627 | ||
3628 | static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit) | |
3629 | { | |
3630 | struct sk_buff *skb; | |
3631 | u8 *bd; | |
3632 | u16 length, howmany = 0; | |
3633 | u32 bd_status; | |
3634 | u8 *bdBuffer; | |
3635 | ||
3636 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3637 | ||
3638 | spin_lock(&ugeth->lock); | |
3639 | /* collect received buffers */ | |
3640 | bd = ugeth->rxBd[rxQ]; | |
3641 | ||
3642 | bd_status = in_be32((u32 *)bd); | |
3643 | ||
3644 | /* while there are received buffers and BD is full (~R_E) */ | |
3645 | while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) { | |
3646 | bdBuffer = (u8 *) in_be32(&((struct qe_bd *)bd)->buf); | |
3647 | length = (u16) ((bd_status & BD_LENGTH_MASK) - 4); | |
3648 | skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]]; | |
3649 | ||
3650 | /* determine whether buffer is first, last, first and last | |
3651 | (single buffer frame) or middle (not first and not last) */ | |
3652 | if (!skb || | |
3653 | (!(bd_status & (R_F | R_L))) || | |
3654 | (bd_status & R_ERRORS_FATAL)) { | |
3655 | ugeth_vdbg("%s, %d: ERROR!!! skb - 0x%08x", | |
3656 | __FUNCTION__, __LINE__, (u32) skb); | |
3657 | if (skb) | |
3658 | dev_kfree_skb_any(skb); | |
3659 | ||
3660 | ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL; | |
3661 | ugeth->stats.rx_dropped++; | |
3662 | } else { | |
3663 | ugeth->stats.rx_packets++; | |
3664 | howmany++; | |
3665 | ||
3666 | /* Prep the skb for the packet */ | |
3667 | skb_put(skb, length); | |
3668 | ||
3669 | /* Tell the skb what kind of packet this is */ | |
3670 | skb->protocol = eth_type_trans(skb, ugeth->dev); | |
3671 | ||
3672 | ugeth->stats.rx_bytes += length; | |
3673 | /* Send the packet up the stack */ | |
3674 | #ifdef CONFIG_UGETH_NAPI | |
3675 | netif_receive_skb(skb); | |
3676 | #else | |
3677 | netif_rx(skb); | |
3678 | #endif /* CONFIG_UGETH_NAPI */ | |
3679 | } | |
3680 | ||
3681 | ugeth->dev->last_rx = jiffies; | |
3682 | ||
3683 | skb = get_new_skb(ugeth, bd); | |
3684 | if (!skb) { | |
3685 | ugeth_warn("%s: No Rx Data Buffer", __FUNCTION__); | |
3686 | spin_unlock(&ugeth->lock); | |
3687 | ugeth->stats.rx_dropped++; | |
3688 | break; | |
3689 | } | |
3690 | ||
3691 | ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb; | |
3692 | ||
3693 | /* update to point at the next skb */ | |
3694 | ugeth->skb_currx[rxQ] = | |
3695 | (ugeth->skb_currx[rxQ] + | |
3696 | 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]); | |
3697 | ||
3698 | if (bd_status & R_W) | |
3699 | bd = ugeth->p_rx_bd_ring[rxQ]; | |
3700 | else | |
3701 | bd += sizeof(struct qe_bd); | |
3702 | ||
3703 | bd_status = in_be32((u32 *)bd); | |
3704 | } | |
3705 | ||
3706 | ugeth->rxBd[rxQ] = bd; | |
3707 | spin_unlock(&ugeth->lock); | |
3708 | return howmany; | |
3709 | } | |
3710 | ||
3711 | static int ucc_geth_tx(struct net_device *dev, u8 txQ) | |
3712 | { | |
3713 | /* Start from the next BD that should be filled */ | |
3714 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3715 | u8 *bd; /* BD pointer */ | |
3716 | u32 bd_status; | |
3717 | ||
3718 | bd = ugeth->confBd[txQ]; | |
3719 | bd_status = in_be32((u32 *)bd); | |
3720 | ||
3721 | /* Normal processing. */ | |
3722 | while ((bd_status & T_R) == 0) { | |
3723 | /* BD contains already transmitted buffer. */ | |
3724 | /* Handle the transmitted buffer and release */ | |
3725 | /* the BD to be used with the current frame */ | |
3726 | ||
3727 | if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0)) | |
3728 | break; | |
3729 | ||
3730 | ugeth->stats.tx_packets++; | |
3731 | ||
3732 | /* Free the sk buffer associated with this TxBD */ | |
3733 | dev_kfree_skb_irq(ugeth-> | |
3734 | tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]); | |
3735 | ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL; | |
3736 | ugeth->skb_dirtytx[txQ] = | |
3737 | (ugeth->skb_dirtytx[txQ] + | |
3738 | 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); | |
3739 | ||
3740 | /* We freed a buffer, so now we can restart transmission */ | |
3741 | if (netif_queue_stopped(dev)) | |
3742 | netif_wake_queue(dev); | |
3743 | ||
3744 | /* Advance the confirmation BD pointer */ | |
3745 | if (!(bd_status & T_W)) | |
3746 | bd += sizeof(struct qe_bd); | |
3747 | else | |
3748 | bd = ugeth->p_tx_bd_ring[txQ]; | |
3749 | bd_status = in_be32((u32 *)bd); | |
3750 | } | |
3751 | ugeth->confBd[txQ] = bd; | |
3752 | return 0; | |
3753 | } | |
3754 | ||
3755 | #ifdef CONFIG_UGETH_NAPI | |
3756 | static int ucc_geth_poll(struct net_device *dev, int *budget) | |
3757 | { | |
3758 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3759 | int howmany; | |
3760 | int rx_work_limit = *budget; | |
3761 | u8 rxQ = 0; | |
3762 | ||
3763 | if (rx_work_limit > dev->quota) | |
3764 | rx_work_limit = dev->quota; | |
3765 | ||
3766 | howmany = ucc_geth_rx(ugeth, rxQ, rx_work_limit); | |
3767 | ||
3768 | dev->quota -= howmany; | |
3769 | rx_work_limit -= howmany; | |
3770 | *budget -= howmany; | |
3771 | ||
3772 | if (rx_work_limit >= 0) | |
3773 | netif_rx_complete(dev); | |
3774 | ||
3775 | return (rx_work_limit < 0) ? 1 : 0; | |
3776 | } | |
3777 | #endif /* CONFIG_UGETH_NAPI */ | |
3778 | ||
3779 | static irqreturn_t ucc_geth_irq_handler(int irq, void *info) | |
3780 | { | |
3781 | struct net_device *dev = (struct net_device *)info; | |
3782 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3783 | struct ucc_fast_private *uccf; | |
3784 | struct ucc_geth_info *ug_info; | |
3785 | register u32 ucce = 0; | |
3786 | register u32 bit_mask = UCCE_RXBF_SINGLE_MASK; | |
3787 | register u32 tx_mask = UCCE_TXBF_SINGLE_MASK; | |
3788 | register u8 i; | |
3789 | ||
3790 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3791 | ||
3792 | if (!ugeth) | |
3793 | return IRQ_NONE; | |
3794 | ||
3795 | uccf = ugeth->uccf; | |
3796 | ug_info = ugeth->ug_info; | |
3797 | ||
3798 | do { | |
3799 | ucce |= (u32) (in_be32(uccf->p_ucce) & in_be32(uccf->p_uccm)); | |
3800 | ||
3801 | /* clear event bits for next time */ | |
3802 | /* Side effect here is to mask ucce variable | |
3803 | for future processing below. */ | |
3804 | out_be32(uccf->p_ucce, ucce); /* Clear with ones, | |
3805 | but only bits in UCCM */ | |
3806 | ||
3807 | /* We ignore Tx interrupts because Tx confirmation is | |
3808 | done inside Tx routine */ | |
3809 | ||
3810 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
3811 | if (ucce & bit_mask) | |
3812 | ucc_geth_rx(ugeth, i, | |
3813 | (int)ugeth->ug_info-> | |
3814 | bdRingLenRx[i]); | |
3815 | ucce &= ~bit_mask; | |
3816 | bit_mask <<= 1; | |
3817 | } | |
3818 | ||
3819 | for (i = 0; i < ug_info->numQueuesTx; i++) { | |
3820 | if (ucce & tx_mask) | |
3821 | ucc_geth_tx(dev, i); | |
3822 | ucce &= ~tx_mask; | |
3823 | tx_mask <<= 1; | |
3824 | } | |
3825 | ||
3826 | /* Exceptions */ | |
3827 | if (ucce & UCCE_BSY) { | |
3828 | ugeth_vdbg("Got BUSY irq!!!!"); | |
3829 | ugeth->stats.rx_errors++; | |
3830 | ucce &= ~UCCE_BSY; | |
3831 | } | |
3832 | if (ucce & UCCE_OTHER) { | |
3833 | ugeth_vdbg("Got frame with error (ucce - 0x%08x)!!!!", | |
3834 | ucce); | |
3835 | ugeth->stats.rx_errors++; | |
3836 | ucce &= ~ucce; | |
3837 | } | |
3838 | } | |
3839 | while (ucce); | |
3840 | ||
3841 | return IRQ_HANDLED; | |
3842 | } | |
3843 | ||
3844 | static irqreturn_t phy_interrupt(int irq, void *dev_id) | |
3845 | { | |
3846 | struct net_device *dev = (struct net_device *)dev_id; | |
3847 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3848 | ||
3849 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3850 | ||
3851 | /* Clear the interrupt */ | |
3852 | mii_clear_phy_interrupt(ugeth->mii_info); | |
3853 | ||
3854 | /* Disable PHY interrupts */ | |
3855 | mii_configure_phy_interrupt(ugeth->mii_info, MII_INTERRUPT_DISABLED); | |
3856 | ||
3857 | /* Schedule the phy change */ | |
3858 | schedule_work(&ugeth->tq); | |
3859 | ||
3860 | return IRQ_HANDLED; | |
3861 | } | |
3862 | ||
3863 | /* Scheduled by the phy_interrupt/timer to handle PHY changes */ | |
3864 | static void ugeth_phy_change(struct work_struct *work) | |
3865 | { | |
3866 | struct ucc_geth_private *ugeth = | |
3867 | container_of(work, struct ucc_geth_private, tq); | |
3868 | struct net_device *dev = ugeth->dev; | |
3869 | struct ucc_geth *ug_regs; | |
3870 | int result = 0; | |
3871 | ||
3872 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3873 | ||
3874 | ug_regs = ugeth->ug_regs; | |
3875 | ||
3876 | /* Delay to give the PHY a chance to change the | |
3877 | * register state */ | |
3878 | msleep(1); | |
3879 | ||
3880 | /* Update the link, speed, duplex */ | |
3881 | result = ugeth->mii_info->phyinfo->read_status(ugeth->mii_info); | |
3882 | ||
3883 | /* Adjust the known status as long as the link | |
3884 | * isn't still coming up */ | |
3885 | if ((0 == result) || (ugeth->mii_info->link == 0)) | |
3886 | adjust_link(dev); | |
3887 | ||
3888 | /* Reenable interrupts, if needed */ | |
3889 | if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) | |
3890 | mii_configure_phy_interrupt(ugeth->mii_info, | |
3891 | MII_INTERRUPT_ENABLED); | |
3892 | } | |
3893 | ||
3894 | /* Called every so often on systems that don't interrupt | |
3895 | * the core for PHY changes */ | |
3896 | static void ugeth_phy_timer(unsigned long data) | |
3897 | { | |
3898 | struct net_device *dev = (struct net_device *)data; | |
3899 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3900 | ||
3901 | schedule_work(&ugeth->tq); | |
3902 | ||
3903 | mod_timer(&ugeth->phy_info_timer, jiffies + PHY_CHANGE_TIME * HZ); | |
3904 | } | |
3905 | ||
3906 | /* Keep trying aneg for some time | |
3907 | * If, after GFAR_AN_TIMEOUT seconds, it has not | |
3908 | * finished, we switch to forced. | |
3909 | * Either way, once the process has completed, we either | |
3910 | * request the interrupt, or switch the timer over to | |
3911 | * using ugeth_phy_timer to check status */ | |
3912 | static void ugeth_phy_startup_timer(unsigned long data) | |
3913 | { | |
3914 | struct ugeth_mii_info *mii_info = (struct ugeth_mii_info *)data; | |
3915 | struct ucc_geth_private *ugeth = netdev_priv(mii_info->dev); | |
3916 | static int secondary = UGETH_AN_TIMEOUT; | |
3917 | int result; | |
3918 | ||
3919 | /* Configure the Auto-negotiation */ | |
3920 | result = mii_info->phyinfo->config_aneg(mii_info); | |
3921 | ||
3922 | /* If autonegotiation failed to start, and | |
3923 | * we haven't timed out, reset the timer, and return */ | |
3924 | if (result && secondary--) { | |
3925 | mod_timer(&ugeth->phy_info_timer, jiffies + HZ); | |
3926 | return; | |
3927 | } else if (result) { | |
3928 | /* Couldn't start autonegotiation. | |
3929 | * Try switching to forced */ | |
3930 | mii_info->autoneg = 0; | |
3931 | result = mii_info->phyinfo->config_aneg(mii_info); | |
3932 | ||
3933 | /* Forcing failed! Give up */ | |
3934 | if (result) { | |
3935 | ugeth_err("%s: Forcing failed!", mii_info->dev->name); | |
3936 | return; | |
3937 | } | |
3938 | } | |
3939 | ||
3940 | /* Kill the timer so it can be restarted */ | |
3941 | del_timer_sync(&ugeth->phy_info_timer); | |
3942 | ||
3943 | /* Grab the PHY interrupt, if necessary/possible */ | |
3944 | if (ugeth->ug_info->board_flags & FSL_UGETH_BRD_HAS_PHY_INTR) { | |
3945 | if (request_irq(ugeth->ug_info->phy_interrupt, | |
3946 | phy_interrupt, IRQF_SHARED, | |
3947 | "phy_interrupt", mii_info->dev) < 0) { | |
3948 | ugeth_err("%s: Can't get IRQ %d (PHY)", | |
3949 | mii_info->dev->name, | |
3950 | ugeth->ug_info->phy_interrupt); | |
3951 | } else { | |
3952 | mii_configure_phy_interrupt(ugeth->mii_info, | |
3953 | MII_INTERRUPT_ENABLED); | |
3954 | return; | |
3955 | } | |
3956 | } | |
3957 | ||
3958 | /* Start the timer again, this time in order to | |
3959 | * handle a change in status */ | |
3960 | init_timer(&ugeth->phy_info_timer); | |
3961 | ugeth->phy_info_timer.function = &ugeth_phy_timer; | |
3962 | ugeth->phy_info_timer.data = (unsigned long)mii_info->dev; | |
3963 | mod_timer(&ugeth->phy_info_timer, jiffies + PHY_CHANGE_TIME * HZ); | |
3964 | } | |
3965 | ||
3966 | /* Called when something needs to use the ethernet device */ | |
3967 | /* Returns 0 for success. */ | |
3968 | static int ucc_geth_open(struct net_device *dev) | |
3969 | { | |
3970 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3971 | int err; | |
3972 | ||
3973 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
3974 | ||
3975 | /* Test station address */ | |
3976 | if (dev->dev_addr[0] & ENET_GROUP_ADDR) { | |
3977 | ugeth_err("%s: Multicast address used for station address" | |
3978 | " - is this what you wanted?", __FUNCTION__); | |
3979 | return -EINVAL; | |
3980 | } | |
3981 | ||
3982 | err = ucc_geth_startup(ugeth); | |
3983 | if (err) { | |
3984 | ugeth_err("%s: Cannot configure net device, aborting.", | |
3985 | dev->name); | |
3986 | return err; | |
3987 | } | |
3988 | ||
3989 | err = adjust_enet_interface(ugeth); | |
3990 | if (err) { | |
3991 | ugeth_err("%s: Cannot configure net device, aborting.", | |
3992 | dev->name); | |
3993 | return err; | |
3994 | } | |
3995 | ||
3996 | /* Set MACSTNADDR1, MACSTNADDR2 */ | |
3997 | /* For more details see the hardware spec. */ | |
3998 | init_mac_station_addr_regs(dev->dev_addr[0], | |
3999 | dev->dev_addr[1], | |
4000 | dev->dev_addr[2], | |
4001 | dev->dev_addr[3], | |
4002 | dev->dev_addr[4], | |
4003 | dev->dev_addr[5], | |
4004 | &ugeth->ug_regs->macstnaddr1, | |
4005 | &ugeth->ug_regs->macstnaddr2); | |
4006 | ||
4007 | err = init_phy(dev); | |
4008 | if (err) { | |
4009 | ugeth_err("%s: Cannot initialzie PHY, aborting.", dev->name); | |
4010 | return err; | |
4011 | } | |
4012 | #ifndef CONFIG_UGETH_NAPI | |
4013 | err = | |
4014 | request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0, | |
4015 | "UCC Geth", dev); | |
4016 | if (err) { | |
4017 | ugeth_err("%s: Cannot get IRQ for net device, aborting.", | |
4018 | dev->name); | |
4019 | ucc_geth_stop(ugeth); | |
4020 | return err; | |
4021 | } | |
4022 | #endif /* CONFIG_UGETH_NAPI */ | |
4023 | ||
4024 | /* Set up the PHY change work queue */ | |
4025 | INIT_WORK(&ugeth->tq, ugeth_phy_change); | |
4026 | ||
4027 | init_timer(&ugeth->phy_info_timer); | |
4028 | ugeth->phy_info_timer.function = &ugeth_phy_startup_timer; | |
4029 | ugeth->phy_info_timer.data = (unsigned long)ugeth->mii_info; | |
4030 | mod_timer(&ugeth->phy_info_timer, jiffies + HZ); | |
4031 | ||
4032 | err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); | |
4033 | if (err) { | |
4034 | ugeth_err("%s: Cannot enable net device, aborting.", dev->name); | |
4035 | ucc_geth_stop(ugeth); | |
4036 | return err; | |
4037 | } | |
4038 | ||
4039 | netif_start_queue(dev); | |
4040 | ||
4041 | return err; | |
4042 | } | |
4043 | ||
4044 | /* Stops the kernel queue, and halts the controller */ | |
4045 | static int ucc_geth_close(struct net_device *dev) | |
4046 | { | |
4047 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
4048 | ||
4049 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
4050 | ||
4051 | ucc_geth_stop(ugeth); | |
4052 | ||
4053 | /* Shutdown the PHY */ | |
4054 | if (ugeth->mii_info->phyinfo->close) | |
4055 | ugeth->mii_info->phyinfo->close(ugeth->mii_info); | |
4056 | ||
4057 | kfree(ugeth->mii_info); | |
4058 | ||
4059 | netif_stop_queue(dev); | |
4060 | ||
4061 | return 0; | |
4062 | } | |
4063 | ||
4064 | const struct ethtool_ops ucc_geth_ethtool_ops = { }; | |
4065 | ||
4066 | static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match) | |
4067 | { | |
4068 | struct device *device = &ofdev->dev; | |
4069 | struct device_node *np = ofdev->node; | |
4070 | struct net_device *dev = NULL; | |
4071 | struct ucc_geth_private *ugeth = NULL; | |
4072 | struct ucc_geth_info *ug_info; | |
4073 | struct resource res; | |
4074 | struct device_node *phy; | |
4075 | int err, ucc_num, phy_interface; | |
4076 | static int mii_mng_configured = 0; | |
4077 | const phandle *ph; | |
4078 | const unsigned int *prop; | |
4079 | const void *mac_addr; | |
4080 | ||
4081 | ugeth_vdbg("%s: IN", __FUNCTION__); | |
4082 | ||
4083 | prop = get_property(np, "device-id", NULL); | |
4084 | ucc_num = *prop - 1; | |
4085 | if ((ucc_num < 0) || (ucc_num > 7)) | |
4086 | return -ENODEV; | |
4087 | ||
4088 | ug_info = &ugeth_info[ucc_num]; | |
4089 | ug_info->uf_info.ucc_num = ucc_num; | |
4090 | prop = get_property(np, "rx-clock", NULL); | |
4091 | ug_info->uf_info.rx_clock = *prop; | |
4092 | prop = get_property(np, "tx-clock", NULL); | |
4093 | ug_info->uf_info.tx_clock = *prop; | |
4094 | err = of_address_to_resource(np, 0, &res); | |
4095 | if (err) | |
4096 | return -EINVAL; | |
4097 | ||
4098 | ug_info->uf_info.regs = res.start; | |
4099 | ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); | |
4100 | ||
4101 | ph = get_property(np, "phy-handle", NULL); | |
4102 | phy = of_find_node_by_phandle(*ph); | |
4103 | ||
4104 | if (phy == NULL) | |
4105 | return -ENODEV; | |
4106 | ||
4107 | prop = get_property(phy, "reg", NULL); | |
4108 | ug_info->phy_address = *prop; | |
4109 | prop = get_property(phy, "interface", NULL); | |
4110 | ug_info->enet_interface = *prop; | |
4111 | ug_info->phy_interrupt = irq_of_parse_and_map(phy, 0); | |
4112 | ug_info->board_flags = (ug_info->phy_interrupt == NO_IRQ)? | |
4113 | 0:FSL_UGETH_BRD_HAS_PHY_INTR; | |
4114 | ||
4115 | printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n", | |
4116 | ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs, | |
4117 | ug_info->uf_info.irq); | |
4118 | ||
4119 | if (ug_info == NULL) { | |
4120 | ugeth_err("%s: [%d] Missing additional data!", __FUNCTION__, | |
4121 | ucc_num); | |
4122 | return -ENODEV; | |
4123 | } | |
4124 | ||
4125 | /* FIXME: Work around for early chip rev. */ | |
4126 | /* There's a bug in initial chip rev(s) in the RGMII ac */ | |
4127 | /* timing. */ | |
4128 | /* The following compensates by writing to the reserved */ | |
4129 | /* QE Port Output Hold Registers (CPOH1?). */ | |
4130 | prop = get_property(phy, "interface", NULL); | |
4131 | phy_interface = *prop; | |
4132 | if ((phy_interface == ENET_1000_RGMII) || | |
4133 | (phy_interface == ENET_100_RGMII) || | |
4134 | (phy_interface == ENET_10_RGMII)) { | |
4135 | struct device_node *soc; | |
4136 | phys_addr_t immrbase = -1; | |
4137 | u32 *tmp_reg; | |
4138 | u32 tmp_val; | |
4139 | ||
4140 | soc = of_find_node_by_type(NULL, "soc"); | |
4141 | if (soc) { | |
4142 | unsigned int size; | |
4143 | const void *prop = get_property(soc, "reg", &size); | |
4144 | immrbase = of_translate_address(soc, prop); | |
4145 | of_node_put(soc); | |
4146 | }; | |
4147 | ||
4148 | tmp_reg = (u32 *) ioremap(immrbase + 0x14A8, 0x4); | |
4149 | tmp_val = in_be32(tmp_reg); | |
4150 | if (ucc_num == 1) | |
4151 | out_be32(tmp_reg, tmp_val | 0x00003000); | |
4152 | else if (ucc_num == 2) | |
4153 | out_be32(tmp_reg, tmp_val | 0x0c000000); | |
4154 | iounmap(tmp_reg); | |
4155 | } | |
4156 | ||
4157 | if (!mii_mng_configured) { | |
4158 | ucc_set_qe_mux_mii_mng(ucc_num); | |
4159 | mii_mng_configured = 1; | |
4160 | } | |
4161 | ||
4162 | /* Create an ethernet device instance */ | |
4163 | dev = alloc_etherdev(sizeof(*ugeth)); | |
4164 | ||
4165 | if (dev == NULL) | |
4166 | return -ENOMEM; | |
4167 | ||
4168 | ugeth = netdev_priv(dev); | |
4169 | spin_lock_init(&ugeth->lock); | |
4170 | ||
4171 | dev_set_drvdata(device, dev); | |
4172 | ||
4173 | /* Set the dev->base_addr to the gfar reg region */ | |
4174 | dev->base_addr = (unsigned long)(ug_info->uf_info.regs); | |
4175 | ||
4176 | SET_MODULE_OWNER(dev); | |
4177 | SET_NETDEV_DEV(dev, device); | |
4178 | ||
4179 | /* Fill in the dev structure */ | |
4180 | dev->open = ucc_geth_open; | |
4181 | dev->hard_start_xmit = ucc_geth_start_xmit; | |
4182 | dev->tx_timeout = ucc_geth_timeout; | |
4183 | dev->watchdog_timeo = TX_TIMEOUT; | |
4184 | #ifdef CONFIG_UGETH_NAPI | |
4185 | dev->poll = ucc_geth_poll; | |
4186 | dev->weight = UCC_GETH_DEV_WEIGHT; | |
4187 | #endif /* CONFIG_UGETH_NAPI */ | |
4188 | dev->stop = ucc_geth_close; | |
4189 | dev->get_stats = ucc_geth_get_stats; | |
4190 | // dev->change_mtu = ucc_geth_change_mtu; | |
4191 | dev->mtu = 1500; | |
4192 | dev->set_multicast_list = ucc_geth_set_multi; | |
4193 | dev->ethtool_ops = &ucc_geth_ethtool_ops; | |
4194 | ||
4195 | err = register_netdev(dev); | |
4196 | if (err) { | |
4197 | ugeth_err("%s: Cannot register net device, aborting.", | |
4198 | dev->name); | |
4199 | free_netdev(dev); | |
4200 | return err; | |
4201 | } | |
4202 | ||
4203 | ugeth->ug_info = ug_info; | |
4204 | ugeth->dev = dev; | |
4205 | ||
4206 | mac_addr = of_get_mac_address(np); | |
4207 | if (mac_addr) | |
4208 | memcpy(dev->dev_addr, mac_addr, 6); | |
4209 | ||
4210 | return 0; | |
4211 | } | |
4212 | ||
4213 | static int ucc_geth_remove(struct of_device* ofdev) | |
4214 | { | |
4215 | struct device *device = &ofdev->dev; | |
4216 | struct net_device *dev = dev_get_drvdata(device); | |
4217 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
4218 | ||
4219 | dev_set_drvdata(device, NULL); | |
4220 | ucc_geth_memclean(ugeth); | |
4221 | free_netdev(dev); | |
4222 | ||
4223 | return 0; | |
4224 | } | |
4225 | ||
4226 | static struct of_device_id ucc_geth_match[] = { | |
4227 | { | |
4228 | .type = "network", | |
4229 | .compatible = "ucc_geth", | |
4230 | }, | |
4231 | {}, | |
4232 | }; | |
4233 | ||
4234 | MODULE_DEVICE_TABLE(of, ucc_geth_match); | |
4235 | ||
4236 | static struct of_platform_driver ucc_geth_driver = { | |
4237 | .name = DRV_NAME, | |
4238 | .match_table = ucc_geth_match, | |
4239 | .probe = ucc_geth_probe, | |
4240 | .remove = ucc_geth_remove, | |
4241 | }; | |
4242 | ||
4243 | static int __init ucc_geth_init(void) | |
4244 | { | |
4245 | int i; | |
4246 | ||
4247 | printk(KERN_INFO "ucc_geth: " DRV_DESC "\n"); | |
4248 | for (i = 0; i < 8; i++) | |
4249 | memcpy(&(ugeth_info[i]), &ugeth_primary_info, | |
4250 | sizeof(ugeth_primary_info)); | |
4251 | ||
4252 | return of_register_platform_driver(&ucc_geth_driver); | |
4253 | } | |
4254 | ||
4255 | static void __exit ucc_geth_exit(void) | |
4256 | { | |
4257 | of_unregister_platform_driver(&ucc_geth_driver); | |
4258 | } | |
4259 | ||
4260 | module_init(ucc_geth_init); | |
4261 | module_exit(ucc_geth_exit); | |
4262 | ||
4263 | MODULE_AUTHOR("Freescale Semiconductor, Inc"); | |
4264 | MODULE_DESCRIPTION(DRV_DESC); | |
4265 | MODULE_LICENSE("GPL"); |