ucc_geth: Fix TX watchdog timeout handling
[linux-2.6.git] / drivers / net / ucc_geth.c
1 /*
2  * Copyright (C) 2006-2007 Freescale Semicondutor, Inc. All rights reserved.
3  *
4  * Author: Shlomi Gridish <gridish@freescale.com>
5  *         Li Yang <leoli@freescale.com>
6  *
7  * Description:
8  * QE UCC Gigabit Ethernet Driver
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/errno.h>
18 #include <linux/slab.h>
19 #include <linux/stddef.h>
20 #include <linux/interrupt.h>
21 #include <linux/netdevice.h>
22 #include <linux/etherdevice.h>
23 #include <linux/skbuff.h>
24 #include <linux/spinlock.h>
25 #include <linux/mm.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/fsl_devices.h>
28 #include <linux/mii.h>
29 #include <linux/phy.h>
30 #include <linux/workqueue.h>
31 #include <linux/of_platform.h>
32
33 #include <asm/uaccess.h>
34 #include <asm/irq.h>
35 #include <asm/io.h>
36 #include <asm/immap_qe.h>
37 #include <asm/qe.h>
38 #include <asm/ucc.h>
39 #include <asm/ucc_fast.h>
40
41 #include "ucc_geth.h"
42 #include "ucc_geth_mii.h"
43
44 #undef DEBUG
45
46 #define ugeth_printk(level, format, arg...)  \
47         printk(level format "\n", ## arg)
48
49 #define ugeth_dbg(format, arg...)            \
50         ugeth_printk(KERN_DEBUG , format , ## arg)
51 #define ugeth_err(format, arg...)            \
52         ugeth_printk(KERN_ERR , format , ## arg)
53 #define ugeth_info(format, arg...)           \
54         ugeth_printk(KERN_INFO , format , ## arg)
55 #define ugeth_warn(format, arg...)           \
56         ugeth_printk(KERN_WARNING , format , ## arg)
57
58 #ifdef UGETH_VERBOSE_DEBUG
59 #define ugeth_vdbg ugeth_dbg
60 #else
61 #define ugeth_vdbg(fmt, args...) do { } while (0)
62 #endif                          /* UGETH_VERBOSE_DEBUG */
63 #define UGETH_MSG_DEFAULT       (NETIF_MSG_IFUP << 1 ) - 1
64
65
66 static DEFINE_SPINLOCK(ugeth_lock);
67
68 static struct {
69         u32 msg_enable;
70 } debug = { -1 };
71
72 module_param_named(debug, debug.msg_enable, int, 0);
73 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
74
75 static struct ucc_geth_info ugeth_primary_info = {
76         .uf_info = {
77                     .bd_mem_part = MEM_PART_SYSTEM,
78                     .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
79                     .max_rx_buf_length = 1536,
80                     /* adjusted at startup if max-speed 1000 */
81                     .urfs = UCC_GETH_URFS_INIT,
82                     .urfet = UCC_GETH_URFET_INIT,
83                     .urfset = UCC_GETH_URFSET_INIT,
84                     .utfs = UCC_GETH_UTFS_INIT,
85                     .utfet = UCC_GETH_UTFET_INIT,
86                     .utftt = UCC_GETH_UTFTT_INIT,
87                     .ufpt = 256,
88                     .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
89                     .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
90                     .tenc = UCC_FAST_TX_ENCODING_NRZ,
91                     .renc = UCC_FAST_RX_ENCODING_NRZ,
92                     .tcrc = UCC_FAST_16_BIT_CRC,
93                     .synl = UCC_FAST_SYNC_LEN_NOT_USED,
94                     },
95         .numQueuesTx = 1,
96         .numQueuesRx = 1,
97         .extendedFilteringChainPointer = ((uint32_t) NULL),
98         .typeorlen = 3072 /*1536 */ ,
99         .nonBackToBackIfgPart1 = 0x40,
100         .nonBackToBackIfgPart2 = 0x60,
101         .miminumInterFrameGapEnforcement = 0x50,
102         .backToBackInterFrameGap = 0x60,
103         .mblinterval = 128,
104         .nortsrbytetime = 5,
105         .fracsiz = 1,
106         .strictpriorityq = 0xff,
107         .altBebTruncation = 0xa,
108         .excessDefer = 1,
109         .maxRetransmission = 0xf,
110         .collisionWindow = 0x37,
111         .receiveFlowControl = 1,
112         .transmitFlowControl = 1,
113         .maxGroupAddrInHash = 4,
114         .maxIndAddrInHash = 4,
115         .prel = 7,
116         .maxFrameLength = 1518,
117         .minFrameLength = 64,
118         .maxD1Length = 1520,
119         .maxD2Length = 1520,
120         .vlantype = 0x8100,
121         .ecamptr = ((uint32_t) NULL),
122         .eventRegMask = UCCE_OTHER,
123         .pausePeriod = 0xf000,
124         .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
125         .bdRingLenTx = {
126                         TX_BD_RING_LEN,
127                         TX_BD_RING_LEN,
128                         TX_BD_RING_LEN,
129                         TX_BD_RING_LEN,
130                         TX_BD_RING_LEN,
131                         TX_BD_RING_LEN,
132                         TX_BD_RING_LEN,
133                         TX_BD_RING_LEN},
134
135         .bdRingLenRx = {
136                         RX_BD_RING_LEN,
137                         RX_BD_RING_LEN,
138                         RX_BD_RING_LEN,
139                         RX_BD_RING_LEN,
140                         RX_BD_RING_LEN,
141                         RX_BD_RING_LEN,
142                         RX_BD_RING_LEN,
143                         RX_BD_RING_LEN},
144
145         .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
146         .largestexternallookupkeysize =
147             QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
148         .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
149                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
150                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
151         .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
152         .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
153         .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
154         .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
155         .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
156         .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
157         .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
158         .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
159         .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
160 };
161
162 static struct ucc_geth_info ugeth_info[8];
163
164 #ifdef DEBUG
165 static void mem_disp(u8 *addr, int size)
166 {
167         u8 *i;
168         int size16Aling = (size >> 4) << 4;
169         int size4Aling = (size >> 2) << 2;
170         int notAlign = 0;
171         if (size % 16)
172                 notAlign = 1;
173
174         for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
175                 printk("0x%08x: %08x %08x %08x %08x\r\n",
176                        (u32) i,
177                        *((u32 *) (i)),
178                        *((u32 *) (i + 4)),
179                        *((u32 *) (i + 8)), *((u32 *) (i + 12)));
180         if (notAlign == 1)
181                 printk("0x%08x: ", (u32) i);
182         for (; (u32) i < (u32) addr + size4Aling; i += 4)
183                 printk("%08x ", *((u32 *) (i)));
184         for (; (u32) i < (u32) addr + size; i++)
185                 printk("%02x", *((u8 *) (i)));
186         if (notAlign == 1)
187                 printk("\r\n");
188 }
189 #endif /* DEBUG */
190
191 #ifdef CONFIG_UGETH_FILTERING
192 static void enqueue(struct list_head *node, struct list_head *lh)
193 {
194         unsigned long flags;
195
196         spin_lock_irqsave(&ugeth_lock, flags);
197         list_add_tail(node, lh);
198         spin_unlock_irqrestore(&ugeth_lock, flags);
199 }
200 #endif /* CONFIG_UGETH_FILTERING */
201
202 static struct list_head *dequeue(struct list_head *lh)
203 {
204         unsigned long flags;
205
206         spin_lock_irqsave(&ugeth_lock, flags);
207         if (!list_empty(lh)) {
208                 struct list_head *node = lh->next;
209                 list_del(node);
210                 spin_unlock_irqrestore(&ugeth_lock, flags);
211                 return node;
212         } else {
213                 spin_unlock_irqrestore(&ugeth_lock, flags);
214                 return NULL;
215         }
216 }
217
218 static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
219                 u8 __iomem *bd)
220 {
221         struct sk_buff *skb = NULL;
222
223         skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
224                                   UCC_GETH_RX_DATA_BUF_ALIGNMENT);
225
226         if (skb == NULL)
227                 return NULL;
228
229         /* We need the data buffer to be aligned properly.  We will reserve
230          * as many bytes as needed to align the data properly
231          */
232         skb_reserve(skb,
233                     UCC_GETH_RX_DATA_BUF_ALIGNMENT -
234                     (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
235                                               1)));
236
237         skb->dev = ugeth->dev;
238
239         out_be32(&((struct qe_bd __iomem *)bd)->buf,
240                       dma_map_single(&ugeth->dev->dev,
241                                      skb->data,
242                                      ugeth->ug_info->uf_info.max_rx_buf_length +
243                                      UCC_GETH_RX_DATA_BUF_ALIGNMENT,
244                                      DMA_FROM_DEVICE));
245
246         out_be32((u32 __iomem *)bd,
247                         (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
248
249         return skb;
250 }
251
252 static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
253 {
254         u8 __iomem *bd;
255         u32 bd_status;
256         struct sk_buff *skb;
257         int i;
258
259         bd = ugeth->p_rx_bd_ring[rxQ];
260         i = 0;
261
262         do {
263                 bd_status = in_be32((u32 __iomem *)bd);
264                 skb = get_new_skb(ugeth, bd);
265
266                 if (!skb)       /* If can not allocate data buffer,
267                                 abort. Cleanup will be elsewhere */
268                         return -ENOMEM;
269
270                 ugeth->rx_skbuff[rxQ][i] = skb;
271
272                 /* advance the BD pointer */
273                 bd += sizeof(struct qe_bd);
274                 i++;
275         } while (!(bd_status & R_W));
276
277         return 0;
278 }
279
280 static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
281                                   u32 *p_start,
282                                   u8 num_entries,
283                                   u32 thread_size,
284                                   u32 thread_alignment,
285                                   enum qe_risc_allocation risc,
286                                   int skip_page_for_first_entry)
287 {
288         u32 init_enet_offset;
289         u8 i;
290         int snum;
291
292         for (i = 0; i < num_entries; i++) {
293                 if ((snum = qe_get_snum()) < 0) {
294                         if (netif_msg_ifup(ugeth))
295                                 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
296                         return snum;
297                 }
298                 if ((i == 0) && skip_page_for_first_entry)
299                 /* First entry of Rx does not have page */
300                         init_enet_offset = 0;
301                 else {
302                         init_enet_offset =
303                             qe_muram_alloc(thread_size, thread_alignment);
304                         if (IS_ERR_VALUE(init_enet_offset)) {
305                                 if (netif_msg_ifup(ugeth))
306                                         ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
307                                 qe_put_snum((u8) snum);
308                                 return -ENOMEM;
309                         }
310                 }
311                 *(p_start++) =
312                     ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
313                     | risc;
314         }
315
316         return 0;
317 }
318
319 static int return_init_enet_entries(struct ucc_geth_private *ugeth,
320                                     u32 *p_start,
321                                     u8 num_entries,
322                                     enum qe_risc_allocation risc,
323                                     int skip_page_for_first_entry)
324 {
325         u32 init_enet_offset;
326         u8 i;
327         int snum;
328
329         for (i = 0; i < num_entries; i++) {
330                 u32 val = *p_start;
331
332                 /* Check that this entry was actually valid --
333                 needed in case failed in allocations */
334                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
335                         snum =
336                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
337                             ENET_INIT_PARAM_SNUM_SHIFT;
338                         qe_put_snum((u8) snum);
339                         if (!((i == 0) && skip_page_for_first_entry)) {
340                         /* First entry of Rx does not have page */
341                                 init_enet_offset =
342                                     (val & ENET_INIT_PARAM_PTR_MASK);
343                                 qe_muram_free(init_enet_offset);
344                         }
345                         *p_start++ = 0;
346                 }
347         }
348
349         return 0;
350 }
351
352 #ifdef DEBUG
353 static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
354                                   u32 __iomem *p_start,
355                                   u8 num_entries,
356                                   u32 thread_size,
357                                   enum qe_risc_allocation risc,
358                                   int skip_page_for_first_entry)
359 {
360         u32 init_enet_offset;
361         u8 i;
362         int snum;
363
364         for (i = 0; i < num_entries; i++) {
365                 u32 val = in_be32(p_start);
366
367                 /* Check that this entry was actually valid --
368                 needed in case failed in allocations */
369                 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
370                         snum =
371                             (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
372                             ENET_INIT_PARAM_SNUM_SHIFT;
373                         qe_put_snum((u8) snum);
374                         if (!((i == 0) && skip_page_for_first_entry)) {
375                         /* First entry of Rx does not have page */
376                                 init_enet_offset =
377                                     (in_be32(p_start) &
378                                      ENET_INIT_PARAM_PTR_MASK);
379                                 ugeth_info("Init enet entry %d:", i);
380                                 ugeth_info("Base address: 0x%08x",
381                                            (u32)
382                                            qe_muram_addr(init_enet_offset));
383                                 mem_disp(qe_muram_addr(init_enet_offset),
384                                          thread_size);
385                         }
386                         p_start++;
387                 }
388         }
389
390         return 0;
391 }
392 #endif
393
394 #ifdef CONFIG_UGETH_FILTERING
395 static struct enet_addr_container *get_enet_addr_container(void)
396 {
397         struct enet_addr_container *enet_addr_cont;
398
399         /* allocate memory */
400         enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL);
401         if (!enet_addr_cont) {
402                 ugeth_err("%s: No memory for enet_addr_container object.",
403                           __func__);
404                 return NULL;
405         }
406
407         return enet_addr_cont;
408 }
409 #endif /* CONFIG_UGETH_FILTERING */
410
411 static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
412 {
413         kfree(enet_addr_cont);
414 }
415
416 static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
417 {
418         out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
419         out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
420         out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
421 }
422
423 #ifdef CONFIG_UGETH_FILTERING
424 static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth,
425                                 u8 *p_enet_addr, u8 paddr_num)
426 {
427         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
428
429         if (!(paddr_num < NUM_OF_PADDRS)) {
430                 ugeth_warn("%s: Illegal paddr_num.", __func__);
431                 return -EINVAL;
432         }
433
434         p_82xx_addr_filt =
435             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
436             addressfiltering;
437
438         /* Ethernet frames are defined in Little Endian mode,    */
439         /* therefore to insert the address we reverse the bytes. */
440         set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr);
441         return 0;
442 }
443 #endif /* CONFIG_UGETH_FILTERING */
444
445 static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
446 {
447         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
448
449         if (!(paddr_num < NUM_OF_PADDRS)) {
450                 ugeth_warn("%s: Illagel paddr_num.", __func__);
451                 return -EINVAL;
452         }
453
454         p_82xx_addr_filt =
455             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
456             addressfiltering;
457
458         /* Writing address ff.ff.ff.ff.ff.ff disables address
459         recognition for this register */
460         out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
461         out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
462         out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
463
464         return 0;
465 }
466
467 static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
468                                 u8 *p_enet_addr)
469 {
470         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
471         u32 cecr_subblock;
472
473         p_82xx_addr_filt =
474             (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
475             addressfiltering;
476
477         cecr_subblock =
478             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
479
480         /* Ethernet frames are defined in Little Endian mode,
481         therefor to insert */
482         /* the address to the hash (Big Endian mode), we reverse the bytes.*/
483
484         set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
485
486         qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
487                      QE_CR_PROTOCOL_ETHERNET, 0);
488 }
489
490 #ifdef CONFIG_UGETH_MAGIC_PACKET
491 static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
492 {
493         struct ucc_fast_private *uccf;
494         struct ucc_geth __iomem *ug_regs;
495         u32 maccfg2, uccm;
496
497         uccf = ugeth->uccf;
498         ug_regs = ugeth->ug_regs;
499
500         /* Enable interrupts for magic packet detection */
501         uccm = in_be32(uccf->p_uccm);
502         uccm |= UCCE_MPD;
503         out_be32(uccf->p_uccm, uccm);
504
505         /* Enable magic packet detection */
506         maccfg2 = in_be32(&ug_regs->maccfg2);
507         maccfg2 |= MACCFG2_MPE;
508         out_be32(&ug_regs->maccfg2, maccfg2);
509 }
510
511 static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
512 {
513         struct ucc_fast_private *uccf;
514         struct ucc_geth __iomem *ug_regs;
515         u32 maccfg2, uccm;
516
517         uccf = ugeth->uccf;
518         ug_regs = ugeth->ug_regs;
519
520         /* Disable interrupts for magic packet detection */
521         uccm = in_be32(uccf->p_uccm);
522         uccm &= ~UCCE_MPD;
523         out_be32(uccf->p_uccm, uccm);
524
525         /* Disable magic packet detection */
526         maccfg2 = in_be32(&ug_regs->maccfg2);
527         maccfg2 &= ~MACCFG2_MPE;
528         out_be32(&ug_regs->maccfg2, maccfg2);
529 }
530 #endif /* MAGIC_PACKET */
531
532 static inline int compare_addr(u8 **addr1, u8 **addr2)
533 {
534         return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
535 }
536
537 #ifdef DEBUG
538 static void get_statistics(struct ucc_geth_private *ugeth,
539                            struct ucc_geth_tx_firmware_statistics *
540                            tx_firmware_statistics,
541                            struct ucc_geth_rx_firmware_statistics *
542                            rx_firmware_statistics,
543                            struct ucc_geth_hardware_statistics *hardware_statistics)
544 {
545         struct ucc_fast __iomem *uf_regs;
546         struct ucc_geth __iomem *ug_regs;
547         struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
548         struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
549
550         ug_regs = ugeth->ug_regs;
551         uf_regs = (struct ucc_fast __iomem *) ug_regs;
552         p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
553         p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
554
555         /* Tx firmware only if user handed pointer and driver actually
556         gathers Tx firmware statistics */
557         if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
558                 tx_firmware_statistics->sicoltx =
559                     in_be32(&p_tx_fw_statistics_pram->sicoltx);
560                 tx_firmware_statistics->mulcoltx =
561                     in_be32(&p_tx_fw_statistics_pram->mulcoltx);
562                 tx_firmware_statistics->latecoltxfr =
563                     in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
564                 tx_firmware_statistics->frabortduecol =
565                     in_be32(&p_tx_fw_statistics_pram->frabortduecol);
566                 tx_firmware_statistics->frlostinmactxer =
567                     in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
568                 tx_firmware_statistics->carriersenseertx =
569                     in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
570                 tx_firmware_statistics->frtxok =
571                     in_be32(&p_tx_fw_statistics_pram->frtxok);
572                 tx_firmware_statistics->txfrexcessivedefer =
573                     in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
574                 tx_firmware_statistics->txpkts256 =
575                     in_be32(&p_tx_fw_statistics_pram->txpkts256);
576                 tx_firmware_statistics->txpkts512 =
577                     in_be32(&p_tx_fw_statistics_pram->txpkts512);
578                 tx_firmware_statistics->txpkts1024 =
579                     in_be32(&p_tx_fw_statistics_pram->txpkts1024);
580                 tx_firmware_statistics->txpktsjumbo =
581                     in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
582         }
583
584         /* Rx firmware only if user handed pointer and driver actually
585          * gathers Rx firmware statistics */
586         if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
587                 int i;
588                 rx_firmware_statistics->frrxfcser =
589                     in_be32(&p_rx_fw_statistics_pram->frrxfcser);
590                 rx_firmware_statistics->fraligner =
591                     in_be32(&p_rx_fw_statistics_pram->fraligner);
592                 rx_firmware_statistics->inrangelenrxer =
593                     in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
594                 rx_firmware_statistics->outrangelenrxer =
595                     in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
596                 rx_firmware_statistics->frtoolong =
597                     in_be32(&p_rx_fw_statistics_pram->frtoolong);
598                 rx_firmware_statistics->runt =
599                     in_be32(&p_rx_fw_statistics_pram->runt);
600                 rx_firmware_statistics->verylongevent =
601                     in_be32(&p_rx_fw_statistics_pram->verylongevent);
602                 rx_firmware_statistics->symbolerror =
603                     in_be32(&p_rx_fw_statistics_pram->symbolerror);
604                 rx_firmware_statistics->dropbsy =
605                     in_be32(&p_rx_fw_statistics_pram->dropbsy);
606                 for (i = 0; i < 0x8; i++)
607                         rx_firmware_statistics->res0[i] =
608                             p_rx_fw_statistics_pram->res0[i];
609                 rx_firmware_statistics->mismatchdrop =
610                     in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
611                 rx_firmware_statistics->underpkts =
612                     in_be32(&p_rx_fw_statistics_pram->underpkts);
613                 rx_firmware_statistics->pkts256 =
614                     in_be32(&p_rx_fw_statistics_pram->pkts256);
615                 rx_firmware_statistics->pkts512 =
616                     in_be32(&p_rx_fw_statistics_pram->pkts512);
617                 rx_firmware_statistics->pkts1024 =
618                     in_be32(&p_rx_fw_statistics_pram->pkts1024);
619                 rx_firmware_statistics->pktsjumbo =
620                     in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
621                 rx_firmware_statistics->frlossinmacer =
622                     in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
623                 rx_firmware_statistics->pausefr =
624                     in_be32(&p_rx_fw_statistics_pram->pausefr);
625                 for (i = 0; i < 0x4; i++)
626                         rx_firmware_statistics->res1[i] =
627                             p_rx_fw_statistics_pram->res1[i];
628                 rx_firmware_statistics->removevlan =
629                     in_be32(&p_rx_fw_statistics_pram->removevlan);
630                 rx_firmware_statistics->replacevlan =
631                     in_be32(&p_rx_fw_statistics_pram->replacevlan);
632                 rx_firmware_statistics->insertvlan =
633                     in_be32(&p_rx_fw_statistics_pram->insertvlan);
634         }
635
636         /* Hardware only if user handed pointer and driver actually
637         gathers hardware statistics */
638         if (hardware_statistics && (in_be32(&uf_regs->upsmr) & UPSMR_HSE)) {
639                 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
640                 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
641                 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
642                 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
643                 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
644                 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
645                 hardware_statistics->txok = in_be32(&ug_regs->txok);
646                 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
647                 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
648                 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
649                 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
650                 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
651                 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
652                 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
653                 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
654         }
655 }
656
657 static void dump_bds(struct ucc_geth_private *ugeth)
658 {
659         int i;
660         int length;
661
662         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
663                 if (ugeth->p_tx_bd_ring[i]) {
664                         length =
665                             (ugeth->ug_info->bdRingLenTx[i] *
666                              sizeof(struct qe_bd));
667                         ugeth_info("TX BDs[%d]", i);
668                         mem_disp(ugeth->p_tx_bd_ring[i], length);
669                 }
670         }
671         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
672                 if (ugeth->p_rx_bd_ring[i]) {
673                         length =
674                             (ugeth->ug_info->bdRingLenRx[i] *
675                              sizeof(struct qe_bd));
676                         ugeth_info("RX BDs[%d]", i);
677                         mem_disp(ugeth->p_rx_bd_ring[i], length);
678                 }
679         }
680 }
681
682 static void dump_regs(struct ucc_geth_private *ugeth)
683 {
684         int i;
685
686         ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
687         ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
688
689         ugeth_info("maccfg1    : addr - 0x%08x, val - 0x%08x",
690                    (u32) & ugeth->ug_regs->maccfg1,
691                    in_be32(&ugeth->ug_regs->maccfg1));
692         ugeth_info("maccfg2    : addr - 0x%08x, val - 0x%08x",
693                    (u32) & ugeth->ug_regs->maccfg2,
694                    in_be32(&ugeth->ug_regs->maccfg2));
695         ugeth_info("ipgifg     : addr - 0x%08x, val - 0x%08x",
696                    (u32) & ugeth->ug_regs->ipgifg,
697                    in_be32(&ugeth->ug_regs->ipgifg));
698         ugeth_info("hafdup     : addr - 0x%08x, val - 0x%08x",
699                    (u32) & ugeth->ug_regs->hafdup,
700                    in_be32(&ugeth->ug_regs->hafdup));
701         ugeth_info("ifctl      : addr - 0x%08x, val - 0x%08x",
702                    (u32) & ugeth->ug_regs->ifctl,
703                    in_be32(&ugeth->ug_regs->ifctl));
704         ugeth_info("ifstat     : addr - 0x%08x, val - 0x%08x",
705                    (u32) & ugeth->ug_regs->ifstat,
706                    in_be32(&ugeth->ug_regs->ifstat));
707         ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
708                    (u32) & ugeth->ug_regs->macstnaddr1,
709                    in_be32(&ugeth->ug_regs->macstnaddr1));
710         ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
711                    (u32) & ugeth->ug_regs->macstnaddr2,
712                    in_be32(&ugeth->ug_regs->macstnaddr2));
713         ugeth_info("uempr      : addr - 0x%08x, val - 0x%08x",
714                    (u32) & ugeth->ug_regs->uempr,
715                    in_be32(&ugeth->ug_regs->uempr));
716         ugeth_info("utbipar    : addr - 0x%08x, val - 0x%08x",
717                    (u32) & ugeth->ug_regs->utbipar,
718                    in_be32(&ugeth->ug_regs->utbipar));
719         ugeth_info("uescr      : addr - 0x%08x, val - 0x%04x",
720                    (u32) & ugeth->ug_regs->uescr,
721                    in_be16(&ugeth->ug_regs->uescr));
722         ugeth_info("tx64       : addr - 0x%08x, val - 0x%08x",
723                    (u32) & ugeth->ug_regs->tx64,
724                    in_be32(&ugeth->ug_regs->tx64));
725         ugeth_info("tx127      : addr - 0x%08x, val - 0x%08x",
726                    (u32) & ugeth->ug_regs->tx127,
727                    in_be32(&ugeth->ug_regs->tx127));
728         ugeth_info("tx255      : addr - 0x%08x, val - 0x%08x",
729                    (u32) & ugeth->ug_regs->tx255,
730                    in_be32(&ugeth->ug_regs->tx255));
731         ugeth_info("rx64       : addr - 0x%08x, val - 0x%08x",
732                    (u32) & ugeth->ug_regs->rx64,
733                    in_be32(&ugeth->ug_regs->rx64));
734         ugeth_info("rx127      : addr - 0x%08x, val - 0x%08x",
735                    (u32) & ugeth->ug_regs->rx127,
736                    in_be32(&ugeth->ug_regs->rx127));
737         ugeth_info("rx255      : addr - 0x%08x, val - 0x%08x",
738                    (u32) & ugeth->ug_regs->rx255,
739                    in_be32(&ugeth->ug_regs->rx255));
740         ugeth_info("txok       : addr - 0x%08x, val - 0x%08x",
741                    (u32) & ugeth->ug_regs->txok,
742                    in_be32(&ugeth->ug_regs->txok));
743         ugeth_info("txcf       : addr - 0x%08x, val - 0x%04x",
744                    (u32) & ugeth->ug_regs->txcf,
745                    in_be16(&ugeth->ug_regs->txcf));
746         ugeth_info("tmca       : addr - 0x%08x, val - 0x%08x",
747                    (u32) & ugeth->ug_regs->tmca,
748                    in_be32(&ugeth->ug_regs->tmca));
749         ugeth_info("tbca       : addr - 0x%08x, val - 0x%08x",
750                    (u32) & ugeth->ug_regs->tbca,
751                    in_be32(&ugeth->ug_regs->tbca));
752         ugeth_info("rxfok      : addr - 0x%08x, val - 0x%08x",
753                    (u32) & ugeth->ug_regs->rxfok,
754                    in_be32(&ugeth->ug_regs->rxfok));
755         ugeth_info("rxbok      : addr - 0x%08x, val - 0x%08x",
756                    (u32) & ugeth->ug_regs->rxbok,
757                    in_be32(&ugeth->ug_regs->rxbok));
758         ugeth_info("rbyt       : addr - 0x%08x, val - 0x%08x",
759                    (u32) & ugeth->ug_regs->rbyt,
760                    in_be32(&ugeth->ug_regs->rbyt));
761         ugeth_info("rmca       : addr - 0x%08x, val - 0x%08x",
762                    (u32) & ugeth->ug_regs->rmca,
763                    in_be32(&ugeth->ug_regs->rmca));
764         ugeth_info("rbca       : addr - 0x%08x, val - 0x%08x",
765                    (u32) & ugeth->ug_regs->rbca,
766                    in_be32(&ugeth->ug_regs->rbca));
767         ugeth_info("scar       : addr - 0x%08x, val - 0x%08x",
768                    (u32) & ugeth->ug_regs->scar,
769                    in_be32(&ugeth->ug_regs->scar));
770         ugeth_info("scam       : addr - 0x%08x, val - 0x%08x",
771                    (u32) & ugeth->ug_regs->scam,
772                    in_be32(&ugeth->ug_regs->scam));
773
774         if (ugeth->p_thread_data_tx) {
775                 int numThreadsTxNumerical;
776                 switch (ugeth->ug_info->numThreadsTx) {
777                 case UCC_GETH_NUM_OF_THREADS_1:
778                         numThreadsTxNumerical = 1;
779                         break;
780                 case UCC_GETH_NUM_OF_THREADS_2:
781                         numThreadsTxNumerical = 2;
782                         break;
783                 case UCC_GETH_NUM_OF_THREADS_4:
784                         numThreadsTxNumerical = 4;
785                         break;
786                 case UCC_GETH_NUM_OF_THREADS_6:
787                         numThreadsTxNumerical = 6;
788                         break;
789                 case UCC_GETH_NUM_OF_THREADS_8:
790                         numThreadsTxNumerical = 8;
791                         break;
792                 default:
793                         numThreadsTxNumerical = 0;
794                         break;
795                 }
796
797                 ugeth_info("Thread data TXs:");
798                 ugeth_info("Base address: 0x%08x",
799                            (u32) ugeth->p_thread_data_tx);
800                 for (i = 0; i < numThreadsTxNumerical; i++) {
801                         ugeth_info("Thread data TX[%d]:", i);
802                         ugeth_info("Base address: 0x%08x",
803                                    (u32) & ugeth->p_thread_data_tx[i]);
804                         mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
805                                  sizeof(struct ucc_geth_thread_data_tx));
806                 }
807         }
808         if (ugeth->p_thread_data_rx) {
809                 int numThreadsRxNumerical;
810                 switch (ugeth->ug_info->numThreadsRx) {
811                 case UCC_GETH_NUM_OF_THREADS_1:
812                         numThreadsRxNumerical = 1;
813                         break;
814                 case UCC_GETH_NUM_OF_THREADS_2:
815                         numThreadsRxNumerical = 2;
816                         break;
817                 case UCC_GETH_NUM_OF_THREADS_4:
818                         numThreadsRxNumerical = 4;
819                         break;
820                 case UCC_GETH_NUM_OF_THREADS_6:
821                         numThreadsRxNumerical = 6;
822                         break;
823                 case UCC_GETH_NUM_OF_THREADS_8:
824                         numThreadsRxNumerical = 8;
825                         break;
826                 default:
827                         numThreadsRxNumerical = 0;
828                         break;
829                 }
830
831                 ugeth_info("Thread data RX:");
832                 ugeth_info("Base address: 0x%08x",
833                            (u32) ugeth->p_thread_data_rx);
834                 for (i = 0; i < numThreadsRxNumerical; i++) {
835                         ugeth_info("Thread data RX[%d]:", i);
836                         ugeth_info("Base address: 0x%08x",
837                                    (u32) & ugeth->p_thread_data_rx[i]);
838                         mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
839                                  sizeof(struct ucc_geth_thread_data_rx));
840                 }
841         }
842         if (ugeth->p_exf_glbl_param) {
843                 ugeth_info("EXF global param:");
844                 ugeth_info("Base address: 0x%08x",
845                            (u32) ugeth->p_exf_glbl_param);
846                 mem_disp((u8 *) ugeth->p_exf_glbl_param,
847                          sizeof(*ugeth->p_exf_glbl_param));
848         }
849         if (ugeth->p_tx_glbl_pram) {
850                 ugeth_info("TX global param:");
851                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
852                 ugeth_info("temoder      : addr - 0x%08x, val - 0x%04x",
853                            (u32) & ugeth->p_tx_glbl_pram->temoder,
854                            in_be16(&ugeth->p_tx_glbl_pram->temoder));
855                 ugeth_info("sqptr        : addr - 0x%08x, val - 0x%08x",
856                            (u32) & ugeth->p_tx_glbl_pram->sqptr,
857                            in_be32(&ugeth->p_tx_glbl_pram->sqptr));
858                 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
859                            (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
860                            in_be32(&ugeth->p_tx_glbl_pram->
861                                    schedulerbasepointer));
862                 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
863                            (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
864                            in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
865                 ugeth_info("tstate       : addr - 0x%08x, val - 0x%08x",
866                            (u32) & ugeth->p_tx_glbl_pram->tstate,
867                            in_be32(&ugeth->p_tx_glbl_pram->tstate));
868                 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
869                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
870                            ugeth->p_tx_glbl_pram->iphoffset[0]);
871                 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
872                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
873                            ugeth->p_tx_glbl_pram->iphoffset[1]);
874                 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
875                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
876                            ugeth->p_tx_glbl_pram->iphoffset[2]);
877                 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
878                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
879                            ugeth->p_tx_glbl_pram->iphoffset[3]);
880                 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
881                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
882                            ugeth->p_tx_glbl_pram->iphoffset[4]);
883                 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
884                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
885                            ugeth->p_tx_glbl_pram->iphoffset[5]);
886                 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
887                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
888                            ugeth->p_tx_glbl_pram->iphoffset[6]);
889                 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
890                            (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
891                            ugeth->p_tx_glbl_pram->iphoffset[7]);
892                 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
893                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
894                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
895                 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
896                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
897                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
898                 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
899                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
900                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
901                 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
902                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
903                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
904                 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
905                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
906                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
907                 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
908                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
909                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
910                 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
911                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
912                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
913                 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
914                            (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
915                            in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
916                 ugeth_info("tqptr        : addr - 0x%08x, val - 0x%08x",
917                            (u32) & ugeth->p_tx_glbl_pram->tqptr,
918                            in_be32(&ugeth->p_tx_glbl_pram->tqptr));
919         }
920         if (ugeth->p_rx_glbl_pram) {
921                 ugeth_info("RX global param:");
922                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
923                 ugeth_info("remoder         : addr - 0x%08x, val - 0x%08x",
924                            (u32) & ugeth->p_rx_glbl_pram->remoder,
925                            in_be32(&ugeth->p_rx_glbl_pram->remoder));
926                 ugeth_info("rqptr           : addr - 0x%08x, val - 0x%08x",
927                            (u32) & ugeth->p_rx_glbl_pram->rqptr,
928                            in_be32(&ugeth->p_rx_glbl_pram->rqptr));
929                 ugeth_info("typeorlen       : addr - 0x%08x, val - 0x%04x",
930                            (u32) & ugeth->p_rx_glbl_pram->typeorlen,
931                            in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
932                 ugeth_info("rxgstpack       : addr - 0x%08x, val - 0x%02x",
933                            (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
934                            ugeth->p_rx_glbl_pram->rxgstpack);
935                 ugeth_info("rxrmonbaseptr   : addr - 0x%08x, val - 0x%08x",
936                            (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
937                            in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
938                 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
939                            (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
940                            in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
941                 ugeth_info("rstate          : addr - 0x%08x, val - 0x%02x",
942                            (u32) & ugeth->p_rx_glbl_pram->rstate,
943                            ugeth->p_rx_glbl_pram->rstate);
944                 ugeth_info("mrblr           : addr - 0x%08x, val - 0x%04x",
945                            (u32) & ugeth->p_rx_glbl_pram->mrblr,
946                            in_be16(&ugeth->p_rx_glbl_pram->mrblr));
947                 ugeth_info("rbdqptr         : addr - 0x%08x, val - 0x%08x",
948                            (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
949                            in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
950                 ugeth_info("mflr            : addr - 0x%08x, val - 0x%04x",
951                            (u32) & ugeth->p_rx_glbl_pram->mflr,
952                            in_be16(&ugeth->p_rx_glbl_pram->mflr));
953                 ugeth_info("minflr          : addr - 0x%08x, val - 0x%04x",
954                            (u32) & ugeth->p_rx_glbl_pram->minflr,
955                            in_be16(&ugeth->p_rx_glbl_pram->minflr));
956                 ugeth_info("maxd1           : addr - 0x%08x, val - 0x%04x",
957                            (u32) & ugeth->p_rx_glbl_pram->maxd1,
958                            in_be16(&ugeth->p_rx_glbl_pram->maxd1));
959                 ugeth_info("maxd2           : addr - 0x%08x, val - 0x%04x",
960                            (u32) & ugeth->p_rx_glbl_pram->maxd2,
961                            in_be16(&ugeth->p_rx_glbl_pram->maxd2));
962                 ugeth_info("ecamptr         : addr - 0x%08x, val - 0x%08x",
963                            (u32) & ugeth->p_rx_glbl_pram->ecamptr,
964                            in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
965                 ugeth_info("l2qt            : addr - 0x%08x, val - 0x%08x",
966                            (u32) & ugeth->p_rx_glbl_pram->l2qt,
967                            in_be32(&ugeth->p_rx_glbl_pram->l2qt));
968                 ugeth_info("l3qt[0]         : addr - 0x%08x, val - 0x%08x",
969                            (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
970                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
971                 ugeth_info("l3qt[1]         : addr - 0x%08x, val - 0x%08x",
972                            (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
973                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
974                 ugeth_info("l3qt[2]         : addr - 0x%08x, val - 0x%08x",
975                            (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
976                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
977                 ugeth_info("l3qt[3]         : addr - 0x%08x, val - 0x%08x",
978                            (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
979                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
980                 ugeth_info("l3qt[4]         : addr - 0x%08x, val - 0x%08x",
981                            (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
982                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
983                 ugeth_info("l3qt[5]         : addr - 0x%08x, val - 0x%08x",
984                            (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
985                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
986                 ugeth_info("l3qt[6]         : addr - 0x%08x, val - 0x%08x",
987                            (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
988                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
989                 ugeth_info("l3qt[7]         : addr - 0x%08x, val - 0x%08x",
990                            (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
991                            in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
992                 ugeth_info("vlantype        : addr - 0x%08x, val - 0x%04x",
993                            (u32) & ugeth->p_rx_glbl_pram->vlantype,
994                            in_be16(&ugeth->p_rx_glbl_pram->vlantype));
995                 ugeth_info("vlantci         : addr - 0x%08x, val - 0x%04x",
996                            (u32) & ugeth->p_rx_glbl_pram->vlantci,
997                            in_be16(&ugeth->p_rx_glbl_pram->vlantci));
998                 for (i = 0; i < 64; i++)
999                         ugeth_info
1000                     ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
1001                              i,
1002                              (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
1003                              ugeth->p_rx_glbl_pram->addressfiltering[i]);
1004                 ugeth_info("exfGlobalParam  : addr - 0x%08x, val - 0x%08x",
1005                            (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
1006                            in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
1007         }
1008         if (ugeth->p_send_q_mem_reg) {
1009                 ugeth_info("Send Q memory registers:");
1010                 ugeth_info("Base address: 0x%08x",
1011                            (u32) ugeth->p_send_q_mem_reg);
1012                 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1013                         ugeth_info("SQQD[%d]:", i);
1014                         ugeth_info("Base address: 0x%08x",
1015                                    (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
1016                         mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
1017                                  sizeof(struct ucc_geth_send_queue_qd));
1018                 }
1019         }
1020         if (ugeth->p_scheduler) {
1021                 ugeth_info("Scheduler:");
1022                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
1023                 mem_disp((u8 *) ugeth->p_scheduler,
1024                          sizeof(*ugeth->p_scheduler));
1025         }
1026         if (ugeth->p_tx_fw_statistics_pram) {
1027                 ugeth_info("TX FW statistics pram:");
1028                 ugeth_info("Base address: 0x%08x",
1029                            (u32) ugeth->p_tx_fw_statistics_pram);
1030                 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
1031                          sizeof(*ugeth->p_tx_fw_statistics_pram));
1032         }
1033         if (ugeth->p_rx_fw_statistics_pram) {
1034                 ugeth_info("RX FW statistics pram:");
1035                 ugeth_info("Base address: 0x%08x",
1036                            (u32) ugeth->p_rx_fw_statistics_pram);
1037                 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
1038                          sizeof(*ugeth->p_rx_fw_statistics_pram));
1039         }
1040         if (ugeth->p_rx_irq_coalescing_tbl) {
1041                 ugeth_info("RX IRQ coalescing tables:");
1042                 ugeth_info("Base address: 0x%08x",
1043                            (u32) ugeth->p_rx_irq_coalescing_tbl);
1044                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1045                         ugeth_info("RX IRQ coalescing table entry[%d]:", i);
1046                         ugeth_info("Base address: 0x%08x",
1047                                    (u32) & ugeth->p_rx_irq_coalescing_tbl->
1048                                    coalescingentry[i]);
1049                         ugeth_info
1050                 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
1051                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1052                              coalescingentry[i].interruptcoalescingmaxvalue,
1053                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1054                                      coalescingentry[i].
1055                                      interruptcoalescingmaxvalue));
1056                         ugeth_info
1057                 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
1058                              (u32) & ugeth->p_rx_irq_coalescing_tbl->
1059                              coalescingentry[i].interruptcoalescingcounter,
1060                              in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1061                                      coalescingentry[i].
1062                                      interruptcoalescingcounter));
1063                 }
1064         }
1065         if (ugeth->p_rx_bd_qs_tbl) {
1066                 ugeth_info("RX BD QS tables:");
1067                 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1068                 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1069                         ugeth_info("RX BD QS table[%d]:", i);
1070                         ugeth_info("Base address: 0x%08x",
1071                                    (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1072                         ugeth_info
1073                             ("bdbaseptr        : addr - 0x%08x, val - 0x%08x",
1074                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1075                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1076                         ugeth_info
1077                             ("bdptr            : addr - 0x%08x, val - 0x%08x",
1078                              (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1079                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1080                         ugeth_info
1081                             ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1082                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1083                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1084                                      externalbdbaseptr));
1085                         ugeth_info
1086                             ("externalbdptr    : addr - 0x%08x, val - 0x%08x",
1087                              (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1088                              in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1089                         ugeth_info("ucode RX Prefetched BDs:");
1090                         ugeth_info("Base address: 0x%08x",
1091                                    (u32)
1092                                    qe_muram_addr(in_be32
1093                                                  (&ugeth->p_rx_bd_qs_tbl[i].
1094                                                   bdbaseptr)));
1095                         mem_disp((u8 *)
1096                                  qe_muram_addr(in_be32
1097                                                (&ugeth->p_rx_bd_qs_tbl[i].
1098                                                 bdbaseptr)),
1099                                  sizeof(struct ucc_geth_rx_prefetched_bds));
1100                 }
1101         }
1102         if (ugeth->p_init_enet_param_shadow) {
1103                 int size;
1104                 ugeth_info("Init enet param shadow:");
1105                 ugeth_info("Base address: 0x%08x",
1106                            (u32) ugeth->p_init_enet_param_shadow);
1107                 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1108                          sizeof(*ugeth->p_init_enet_param_shadow));
1109
1110                 size = sizeof(struct ucc_geth_thread_rx_pram);
1111                 if (ugeth->ug_info->rxExtendedFiltering) {
1112                         size +=
1113                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1114                         if (ugeth->ug_info->largestexternallookupkeysize ==
1115                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1116                                 size +=
1117                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1118                         if (ugeth->ug_info->largestexternallookupkeysize ==
1119                             QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1120                                 size +=
1121                         THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1122                 }
1123
1124                 dump_init_enet_entries(ugeth,
1125                                        &(ugeth->p_init_enet_param_shadow->
1126                                          txthread[0]),
1127                                        ENET_INIT_PARAM_MAX_ENTRIES_TX,
1128                                        sizeof(struct ucc_geth_thread_tx_pram),
1129                                        ugeth->ug_info->riscTx, 0);
1130                 dump_init_enet_entries(ugeth,
1131                                        &(ugeth->p_init_enet_param_shadow->
1132                                          rxthread[0]),
1133                                        ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1134                                        ugeth->ug_info->riscRx, 1);
1135         }
1136 }
1137 #endif /* DEBUG */
1138
1139 static void init_default_reg_vals(u32 __iomem *upsmr_register,
1140                                   u32 __iomem *maccfg1_register,
1141                                   u32 __iomem *maccfg2_register)
1142 {
1143         out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1144         out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1145         out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1146 }
1147
1148 static int init_half_duplex_params(int alt_beb,
1149                                    int back_pressure_no_backoff,
1150                                    int no_backoff,
1151                                    int excess_defer,
1152                                    u8 alt_beb_truncation,
1153                                    u8 max_retransmissions,
1154                                    u8 collision_window,
1155                                    u32 __iomem *hafdup_register)
1156 {
1157         u32 value = 0;
1158
1159         if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1160             (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1161             (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1162                 return -EINVAL;
1163
1164         value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1165
1166         if (alt_beb)
1167                 value |= HALFDUP_ALT_BEB;
1168         if (back_pressure_no_backoff)
1169                 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1170         if (no_backoff)
1171                 value |= HALFDUP_NO_BACKOFF;
1172         if (excess_defer)
1173                 value |= HALFDUP_EXCESSIVE_DEFER;
1174
1175         value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1176
1177         value |= collision_window;
1178
1179         out_be32(hafdup_register, value);
1180         return 0;
1181 }
1182
1183 static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1184                                        u8 non_btb_ipg,
1185                                        u8 min_ifg,
1186                                        u8 btb_ipg,
1187                                        u32 __iomem *ipgifg_register)
1188 {
1189         u32 value = 0;
1190
1191         /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1192         IPG part 2 */
1193         if (non_btb_cs_ipg > non_btb_ipg)
1194                 return -EINVAL;
1195
1196         if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1197             (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1198             /*(min_ifg        > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1199             (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1200                 return -EINVAL;
1201
1202         value |=
1203             ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1204              IPGIFG_NBTB_CS_IPG_MASK);
1205         value |=
1206             ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1207              IPGIFG_NBTB_IPG_MASK);
1208         value |=
1209             ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1210              IPGIFG_MIN_IFG_MASK);
1211         value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1212
1213         out_be32(ipgifg_register, value);
1214         return 0;
1215 }
1216
1217 int init_flow_control_params(u32 automatic_flow_control_mode,
1218                                     int rx_flow_control_enable,
1219                                     int tx_flow_control_enable,
1220                                     u16 pause_period,
1221                                     u16 extension_field,
1222                                     u32 __iomem *upsmr_register,
1223                                     u32 __iomem *uempr_register,
1224                                     u32 __iomem *maccfg1_register)
1225 {
1226         u32 value = 0;
1227
1228         /* Set UEMPR register */
1229         value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1230         value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1231         out_be32(uempr_register, value);
1232
1233         /* Set UPSMR register */
1234         value = in_be32(upsmr_register);
1235         value |= automatic_flow_control_mode;
1236         out_be32(upsmr_register, value);
1237
1238         value = in_be32(maccfg1_register);
1239         if (rx_flow_control_enable)
1240                 value |= MACCFG1_FLOW_RX;
1241         if (tx_flow_control_enable)
1242                 value |= MACCFG1_FLOW_TX;
1243         out_be32(maccfg1_register, value);
1244
1245         return 0;
1246 }
1247
1248 static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1249                                              int auto_zero_hardware_statistics,
1250                                              u32 __iomem *upsmr_register,
1251                                              u16 __iomem *uescr_register)
1252 {
1253         u32 upsmr_value = 0;
1254         u16 uescr_value = 0;
1255         /* Enable hardware statistics gathering if requested */
1256         if (enable_hardware_statistics) {
1257                 upsmr_value = in_be32(upsmr_register);
1258                 upsmr_value |= UPSMR_HSE;
1259                 out_be32(upsmr_register, upsmr_value);
1260         }
1261
1262         /* Clear hardware statistics counters */
1263         uescr_value = in_be16(uescr_register);
1264         uescr_value |= UESCR_CLRCNT;
1265         /* Automatically zero hardware statistics counters on read,
1266         if requested */
1267         if (auto_zero_hardware_statistics)
1268                 uescr_value |= UESCR_AUTOZ;
1269         out_be16(uescr_register, uescr_value);
1270
1271         return 0;
1272 }
1273
1274 static int init_firmware_statistics_gathering_mode(int
1275                 enable_tx_firmware_statistics,
1276                 int enable_rx_firmware_statistics,
1277                 u32 __iomem *tx_rmon_base_ptr,
1278                 u32 tx_firmware_statistics_structure_address,
1279                 u32 __iomem *rx_rmon_base_ptr,
1280                 u32 rx_firmware_statistics_structure_address,
1281                 u16 __iomem *temoder_register,
1282                 u32 __iomem *remoder_register)
1283 {
1284         /* Note: this function does not check if */
1285         /* the parameters it receives are NULL   */
1286         u16 temoder_value;
1287         u32 remoder_value;
1288
1289         if (enable_tx_firmware_statistics) {
1290                 out_be32(tx_rmon_base_ptr,
1291                          tx_firmware_statistics_structure_address);
1292                 temoder_value = in_be16(temoder_register);
1293                 temoder_value |= TEMODER_TX_RMON_STATISTICS_ENABLE;
1294                 out_be16(temoder_register, temoder_value);
1295         }
1296
1297         if (enable_rx_firmware_statistics) {
1298                 out_be32(rx_rmon_base_ptr,
1299                          rx_firmware_statistics_structure_address);
1300                 remoder_value = in_be32(remoder_register);
1301                 remoder_value |= REMODER_RX_RMON_STATISTICS_ENABLE;
1302                 out_be32(remoder_register, remoder_value);
1303         }
1304
1305         return 0;
1306 }
1307
1308 static int init_mac_station_addr_regs(u8 address_byte_0,
1309                                       u8 address_byte_1,
1310                                       u8 address_byte_2,
1311                                       u8 address_byte_3,
1312                                       u8 address_byte_4,
1313                                       u8 address_byte_5,
1314                                       u32 __iomem *macstnaddr1_register,
1315                                       u32 __iomem *macstnaddr2_register)
1316 {
1317         u32 value = 0;
1318
1319         /* Example: for a station address of 0x12345678ABCD, */
1320         /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1321
1322         /* MACSTNADDR1 Register: */
1323
1324         /* 0                      7   8                      15  */
1325         /* station address byte 5     station address byte 4     */
1326         /* 16                     23  24                     31  */
1327         /* station address byte 3     station address byte 2     */
1328         value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1329         value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1330         value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1331         value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1332
1333         out_be32(macstnaddr1_register, value);
1334
1335         /* MACSTNADDR2 Register: */
1336
1337         /* 0                      7   8                      15  */
1338         /* station address byte 1     station address byte 0     */
1339         /* 16                     23  24                     31  */
1340         /*         reserved                   reserved           */
1341         value = 0;
1342         value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1343         value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1344
1345         out_be32(macstnaddr2_register, value);
1346
1347         return 0;
1348 }
1349
1350 static int init_check_frame_length_mode(int length_check,
1351                                         u32 __iomem *maccfg2_register)
1352 {
1353         u32 value = 0;
1354
1355         value = in_be32(maccfg2_register);
1356
1357         if (length_check)
1358                 value |= MACCFG2_LC;
1359         else
1360                 value &= ~MACCFG2_LC;
1361
1362         out_be32(maccfg2_register, value);
1363         return 0;
1364 }
1365
1366 static int init_preamble_length(u8 preamble_length,
1367                                 u32 __iomem *maccfg2_register)
1368 {
1369         u32 value = 0;
1370
1371         if ((preamble_length < 3) || (preamble_length > 7))
1372                 return -EINVAL;
1373
1374         value = in_be32(maccfg2_register);
1375         value &= ~MACCFG2_PREL_MASK;
1376         value |= (preamble_length << MACCFG2_PREL_SHIFT);
1377         out_be32(maccfg2_register, value);
1378         return 0;
1379 }
1380
1381 static int init_rx_parameters(int reject_broadcast,
1382                               int receive_short_frames,
1383                               int promiscuous, u32 __iomem *upsmr_register)
1384 {
1385         u32 value = 0;
1386
1387         value = in_be32(upsmr_register);
1388
1389         if (reject_broadcast)
1390                 value |= UPSMR_BRO;
1391         else
1392                 value &= ~UPSMR_BRO;
1393
1394         if (receive_short_frames)
1395                 value |= UPSMR_RSH;
1396         else
1397                 value &= ~UPSMR_RSH;
1398
1399         if (promiscuous)
1400                 value |= UPSMR_PRO;
1401         else
1402                 value &= ~UPSMR_PRO;
1403
1404         out_be32(upsmr_register, value);
1405
1406         return 0;
1407 }
1408
1409 static int init_max_rx_buff_len(u16 max_rx_buf_len,
1410                                 u16 __iomem *mrblr_register)
1411 {
1412         /* max_rx_buf_len value must be a multiple of 128 */
1413         if ((max_rx_buf_len == 0)
1414             || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1415                 return -EINVAL;
1416
1417         out_be16(mrblr_register, max_rx_buf_len);
1418         return 0;
1419 }
1420
1421 static int init_min_frame_len(u16 min_frame_length,
1422                               u16 __iomem *minflr_register,
1423                               u16 __iomem *mrblr_register)
1424 {
1425         u16 mrblr_value = 0;
1426
1427         mrblr_value = in_be16(mrblr_register);
1428         if (min_frame_length >= (mrblr_value - 4))
1429                 return -EINVAL;
1430
1431         out_be16(minflr_register, min_frame_length);
1432         return 0;
1433 }
1434
1435 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
1436 {
1437         struct ucc_geth_info *ug_info;
1438         struct ucc_geth __iomem *ug_regs;
1439         struct ucc_fast __iomem *uf_regs;
1440         int ret_val;
1441         u32 upsmr, maccfg2, tbiBaseAddress;
1442         u16 value;
1443
1444         ugeth_vdbg("%s: IN", __func__);
1445
1446         ug_info = ugeth->ug_info;
1447         ug_regs = ugeth->ug_regs;
1448         uf_regs = ugeth->uccf->uf_regs;
1449
1450         /*                    Set MACCFG2                    */
1451         maccfg2 = in_be32(&ug_regs->maccfg2);
1452         maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
1453         if ((ugeth->max_speed == SPEED_10) ||
1454             (ugeth->max_speed == SPEED_100))
1455                 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
1456         else if (ugeth->max_speed == SPEED_1000)
1457                 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1458         maccfg2 |= ug_info->padAndCrc;
1459         out_be32(&ug_regs->maccfg2, maccfg2);
1460
1461         /*                    Set UPSMR                      */
1462         upsmr = in_be32(&uf_regs->upsmr);
1463         upsmr &= ~(UPSMR_RPM | UPSMR_R10M | UPSMR_TBIM | UPSMR_RMM);
1464         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1465             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1466             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1467             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1468             (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1469             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1470                 upsmr |= UPSMR_RPM;
1471                 switch (ugeth->max_speed) {
1472                 case SPEED_10:
1473                         upsmr |= UPSMR_R10M;
1474                         /* FALLTHROUGH */
1475                 case SPEED_100:
1476                         if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
1477                                 upsmr |= UPSMR_RMM;
1478                 }
1479         }
1480         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1481             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1482                 upsmr |= UPSMR_TBIM;
1483         }
1484         out_be32(&uf_regs->upsmr, upsmr);
1485
1486         /* Disable autonegotiation in tbi mode, because by default it
1487         comes up in autonegotiation mode. */
1488         /* Note that this depends on proper setting in utbipar register. */
1489         if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1490             (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1491                 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1492                 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1493                 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
1494                 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1495                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
1496                 value &= ~0x1000;       /* Turn off autonegotiation */
1497                 ugeth->phydev->bus->write(ugeth->phydev->bus,
1498                                 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
1499         }
1500
1501         init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1502
1503         ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1504         if (ret_val != 0) {
1505                 if (netif_msg_probe(ugeth))
1506                         ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
1507                              __func__);
1508                 return ret_val;
1509         }
1510
1511         return 0;
1512 }
1513
1514 /* Called every time the controller might need to be made
1515  * aware of new link state.  The PHY code conveys this
1516  * information through variables in the ugeth structure, and this
1517  * function converts those variables into the appropriate
1518  * register values, and can bring down the device if needed.
1519  */
1520
1521 static void adjust_link(struct net_device *dev)
1522 {
1523         struct ucc_geth_private *ugeth = netdev_priv(dev);
1524         struct ucc_geth __iomem *ug_regs;
1525         struct ucc_fast __iomem *uf_regs;
1526         struct phy_device *phydev = ugeth->phydev;
1527         unsigned long flags;
1528         int new_state = 0;
1529
1530         ug_regs = ugeth->ug_regs;
1531         uf_regs = ugeth->uccf->uf_regs;
1532
1533         spin_lock_irqsave(&ugeth->lock, flags);
1534
1535         if (phydev->link) {
1536                 u32 tempval = in_be32(&ug_regs->maccfg2);
1537                 u32 upsmr = in_be32(&uf_regs->upsmr);
1538                 /* Now we make sure that we can be in full duplex mode.
1539                  * If not, we operate in half-duplex mode. */
1540                 if (phydev->duplex != ugeth->oldduplex) {
1541                         new_state = 1;
1542                         if (!(phydev->duplex))
1543                                 tempval &= ~(MACCFG2_FDX);
1544                         else
1545                                 tempval |= MACCFG2_FDX;
1546                         ugeth->oldduplex = phydev->duplex;
1547                 }
1548
1549                 if (phydev->speed != ugeth->oldspeed) {
1550                         new_state = 1;
1551                         switch (phydev->speed) {
1552                         case SPEED_1000:
1553                                 tempval = ((tempval &
1554                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1555                                             MACCFG2_INTERFACE_MODE_BYTE);
1556                                 break;
1557                         case SPEED_100:
1558                         case SPEED_10:
1559                                 tempval = ((tempval &
1560                                             ~(MACCFG2_INTERFACE_MODE_MASK)) |
1561                                             MACCFG2_INTERFACE_MODE_NIBBLE);
1562                                 /* if reduced mode, re-set UPSMR.R10M */
1563                                 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1564                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1565                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
1566                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1567                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
1568                                     (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1569                                         if (phydev->speed == SPEED_10)
1570                                                 upsmr |= UPSMR_R10M;
1571                                         else
1572                                                 upsmr &= ~(UPSMR_R10M);
1573                                 }
1574                                 break;
1575                         default:
1576                                 if (netif_msg_link(ugeth))
1577                                         ugeth_warn(
1578                                                 "%s: Ack!  Speed (%d) is not 10/100/1000!",
1579                                                 dev->name, phydev->speed);
1580                                 break;
1581                         }
1582                         ugeth->oldspeed = phydev->speed;
1583                 }
1584
1585                 out_be32(&ug_regs->maccfg2, tempval);
1586                 out_be32(&uf_regs->upsmr, upsmr);
1587
1588                 if (!ugeth->oldlink) {
1589                         new_state = 1;
1590                         ugeth->oldlink = 1;
1591                 }
1592         } else if (ugeth->oldlink) {
1593                         new_state = 1;
1594                         ugeth->oldlink = 0;
1595                         ugeth->oldspeed = 0;
1596                         ugeth->oldduplex = -1;
1597         }
1598
1599         if (new_state && netif_msg_link(ugeth))
1600                 phy_print_status(phydev);
1601
1602         spin_unlock_irqrestore(&ugeth->lock, flags);
1603 }
1604
1605 /* Configure the PHY for dev.
1606  * returns 0 if success.  -1 if failure
1607  */
1608 static int init_phy(struct net_device *dev)
1609 {
1610         struct ucc_geth_private *priv = netdev_priv(dev);
1611         struct phy_device *phydev;
1612         char phy_id[BUS_ID_SIZE];
1613
1614         priv->oldlink = 0;
1615         priv->oldspeed = 0;
1616         priv->oldduplex = -1;
1617
1618         snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus,
1619                  priv->ug_info->phy_address);
1620
1621         phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1622
1623         if (IS_ERR(phydev)) {
1624                 printk("%s: Could not attach to PHY\n", dev->name);
1625                 return PTR_ERR(phydev);
1626         }
1627
1628         phydev->supported &= (ADVERTISED_10baseT_Half |
1629                                  ADVERTISED_10baseT_Full |
1630                                  ADVERTISED_100baseT_Half |
1631                                  ADVERTISED_100baseT_Full);
1632
1633         if (priv->max_speed == SPEED_1000)
1634                 phydev->supported |= ADVERTISED_1000baseT_Full;
1635
1636         phydev->advertising = phydev->supported;
1637
1638         priv->phydev = phydev;
1639
1640         return 0;
1641 }
1642
1643
1644
1645 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1646 {
1647         struct ucc_fast_private *uccf;
1648         u32 cecr_subblock;
1649         u32 temp;
1650         int i = 10;
1651
1652         uccf = ugeth->uccf;
1653
1654         /* Mask GRACEFUL STOP TX interrupt bit and clear it */
1655         temp = in_be32(uccf->p_uccm);
1656         temp &= ~UCCE_GRA;
1657         out_be32(uccf->p_uccm, temp);
1658         out_be32(uccf->p_ucce, UCCE_GRA);       /* clear by writing 1 */
1659
1660         /* Issue host command */
1661         cecr_subblock =
1662             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1663         qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
1664                      QE_CR_PROTOCOL_ETHERNET, 0);
1665
1666         /* Wait for command to complete */
1667         do {
1668                 msleep(10);
1669                 temp = in_be32(uccf->p_ucce);
1670         } while (!(temp & UCCE_GRA) && --i);
1671
1672         uccf->stopped_tx = 1;
1673
1674         return 0;
1675 }
1676
1677 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1678 {
1679         struct ucc_fast_private *uccf;
1680         u32 cecr_subblock;
1681         u8 temp;
1682         int i = 10;
1683
1684         uccf = ugeth->uccf;
1685
1686         /* Clear acknowledge bit */
1687         temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1688         temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1689         out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1690
1691         /* Keep issuing command and checking acknowledge bit until
1692         it is asserted, according to spec */
1693         do {
1694                 /* Issue host command */
1695                 cecr_subblock =
1696                     ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1697                                                 ucc_num);
1698                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1699                              QE_CR_PROTOCOL_ETHERNET, 0);
1700                 msleep(10);
1701                 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1702         } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
1703
1704         uccf->stopped_rx = 1;
1705
1706         return 0;
1707 }
1708
1709 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1710 {
1711         struct ucc_fast_private *uccf;
1712         u32 cecr_subblock;
1713
1714         uccf = ugeth->uccf;
1715
1716         cecr_subblock =
1717             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1718         qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1719         uccf->stopped_tx = 0;
1720
1721         return 0;
1722 }
1723
1724 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1725 {
1726         struct ucc_fast_private *uccf;
1727         u32 cecr_subblock;
1728
1729         uccf = ugeth->uccf;
1730
1731         cecr_subblock =
1732             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1733         qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1734                      0);
1735         uccf->stopped_rx = 0;
1736
1737         return 0;
1738 }
1739
1740 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1741 {
1742         struct ucc_fast_private *uccf;
1743         int enabled_tx, enabled_rx;
1744
1745         uccf = ugeth->uccf;
1746
1747         /* check if the UCC number is in range. */
1748         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1749                 if (netif_msg_probe(ugeth))
1750                         ugeth_err("%s: ucc_num out of range.", __func__);
1751                 return -EINVAL;
1752         }
1753
1754         enabled_tx = uccf->enabled_tx;
1755         enabled_rx = uccf->enabled_rx;
1756
1757         /* Get Tx and Rx going again, in case this channel was actively
1758         disabled. */
1759         if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1760                 ugeth_restart_tx(ugeth);
1761         if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1762                 ugeth_restart_rx(ugeth);
1763
1764         ucc_fast_enable(uccf, mode);    /* OK to do even if not disabled */
1765
1766         return 0;
1767
1768 }
1769
1770 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1771 {
1772         struct ucc_fast_private *uccf;
1773
1774         uccf = ugeth->uccf;
1775
1776         /* check if the UCC number is in range. */
1777         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1778                 if (netif_msg_probe(ugeth))
1779                         ugeth_err("%s: ucc_num out of range.", __func__);
1780                 return -EINVAL;
1781         }
1782
1783         /* Stop any transmissions */
1784         if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1785                 ugeth_graceful_stop_tx(ugeth);
1786
1787         /* Stop any receptions */
1788         if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1789                 ugeth_graceful_stop_rx(ugeth);
1790
1791         ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1792
1793         return 0;
1794 }
1795
1796 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1797 {
1798 #ifdef DEBUG
1799         ucc_fast_dump_regs(ugeth->uccf);
1800         dump_regs(ugeth);
1801         dump_bds(ugeth);
1802 #endif
1803 }
1804
1805 #ifdef CONFIG_UGETH_FILTERING
1806 static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1807                                              p_UccGethTadParams,
1808                                              struct qe_fltr_tad *qe_fltr_tad)
1809 {
1810         u16 temp;
1811
1812         /* Zero serialized TAD */
1813         memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
1814
1815         qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V;   /* Must have this */
1816         if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
1817             (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
1818             || (p_UccGethTadParams->vnontag_op !=
1819                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
1820             )
1821                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
1822         if (p_UccGethTadParams->reject_frame)
1823                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
1824         temp =
1825             (u16) (((u16) p_UccGethTadParams->
1826                     vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
1827         qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
1828
1829         qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff);     /* lower bits */
1830         if (p_UccGethTadParams->vnontag_op ==
1831             UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
1832                 qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
1833         qe_fltr_tad->serialized[1] |=
1834             p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
1835
1836         qe_fltr_tad->serialized[2] |=
1837             p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
1838         /* upper bits */
1839         qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
1840         /* lower bits */
1841         qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
1842
1843         return 0;
1844 }
1845
1846 static struct enet_addr_container_t
1847     *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
1848                                                  struct enet_addr *p_enet_addr)
1849 {
1850         struct enet_addr_container *enet_addr_cont;
1851         struct list_head *p_lh;
1852         u16 i, num;
1853         int32_t j;
1854         u8 *p_counter;
1855
1856         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1857                 p_lh = &ugeth->group_hash_q;
1858                 p_counter = &(ugeth->numGroupAddrInHash);
1859         } else {
1860                 p_lh = &ugeth->ind_hash_q;
1861                 p_counter = &(ugeth->numIndAddrInHash);
1862         }
1863
1864         if (!p_lh)
1865                 return NULL;
1866
1867         num = *p_counter;
1868
1869         for (i = 0; i < num; i++) {
1870                 enet_addr_cont =
1871                     (struct enet_addr_container *)
1872                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1873                 for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
1874                         if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
1875                                 break;
1876                         if (j == 0)
1877                                 return enet_addr_cont;  /* Found */
1878                 }
1879                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1880         }
1881         return NULL;
1882 }
1883
1884 static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
1885                                                  struct enet_addr *p_enet_addr)
1886 {
1887         enum ucc_geth_enet_address_recognition_location location;
1888         struct enet_addr_container *enet_addr_cont;
1889         struct list_head *p_lh;
1890         u8 i;
1891         u32 limit;
1892         u8 *p_counter;
1893
1894         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1895                 p_lh = &ugeth->group_hash_q;
1896                 limit = ugeth->ug_info->maxGroupAddrInHash;
1897                 location =
1898                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
1899                 p_counter = &(ugeth->numGroupAddrInHash);
1900         } else {
1901                 p_lh = &ugeth->ind_hash_q;
1902                 limit = ugeth->ug_info->maxIndAddrInHash;
1903                 location =
1904                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
1905                 p_counter = &(ugeth->numIndAddrInHash);
1906         }
1907
1908         if ((enet_addr_cont =
1909              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
1910                 list_add(p_lh, &enet_addr_cont->node);  /* Put it back */
1911                 return 0;
1912         }
1913         if ((!p_lh) || (!(*p_counter < limit)))
1914                 return -EBUSY;
1915         if (!(enet_addr_cont = get_enet_addr_container()))
1916                 return -ENOMEM;
1917         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
1918                 (enet_addr_cont->address)[i] = (*p_enet_addr)[i];
1919         enet_addr_cont->location = location;
1920         enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1921         ++(*p_counter);
1922
1923         hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1924         return 0;
1925 }
1926
1927 static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
1928                                                    struct enet_addr *p_enet_addr)
1929 {
1930         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1931         struct enet_addr_container *enet_addr_cont;
1932         struct ucc_fast_private *uccf;
1933         enum comm_dir comm_dir;
1934         u16 i, num;
1935         struct list_head *p_lh;
1936         u32 *addr_h, *addr_l;
1937         u8 *p_counter;
1938
1939         uccf = ugeth->uccf;
1940
1941         p_82xx_addr_filt =
1942             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1943             addressfiltering;
1944
1945         if (!
1946             (enet_addr_cont =
1947              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
1948                 return -ENOENT;
1949
1950         /* It's been found and removed from the CQ. */
1951         /* Now destroy its container */
1952         put_enet_addr_container(enet_addr_cont);
1953
1954         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1955                 addr_h = &(p_82xx_addr_filt->gaddr_h);
1956                 addr_l = &(p_82xx_addr_filt->gaddr_l);
1957                 p_lh = &ugeth->group_hash_q;
1958                 p_counter = &(ugeth->numGroupAddrInHash);
1959         } else {
1960                 addr_h = &(p_82xx_addr_filt->iaddr_h);
1961                 addr_l = &(p_82xx_addr_filt->iaddr_l);
1962                 p_lh = &ugeth->ind_hash_q;
1963                 p_counter = &(ugeth->numIndAddrInHash);
1964         }
1965
1966         comm_dir = 0;
1967         if (uccf->enabled_tx)
1968                 comm_dir |= COMM_DIR_TX;
1969         if (uccf->enabled_rx)
1970                 comm_dir |= COMM_DIR_RX;
1971         if (comm_dir)
1972                 ugeth_disable(ugeth, comm_dir);
1973
1974         /* Clear the hash table. */
1975         out_be32(addr_h, 0x00000000);
1976         out_be32(addr_l, 0x00000000);
1977
1978         /* Add all remaining CQ elements back into hash */
1979         num = --(*p_counter);
1980         for (i = 0; i < num; i++) {
1981                 enet_addr_cont =
1982                     (struct enet_addr_container *)
1983                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1984                 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1985                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1986         }
1987
1988         if (comm_dir)
1989                 ugeth_enable(ugeth, comm_dir);
1990
1991         return 0;
1992 }
1993 #endif /* CONFIG_UGETH_FILTERING */
1994
1995 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1996                                                        ugeth,
1997                                                        enum enet_addr_type
1998                                                        enet_addr_type)
1999 {
2000         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2001         struct ucc_fast_private *uccf;
2002         enum comm_dir comm_dir;
2003         struct list_head *p_lh;
2004         u16 i, num;
2005         u32 __iomem *addr_h;
2006         u32 __iomem *addr_l;
2007         u8 *p_counter;
2008
2009         uccf = ugeth->uccf;
2010
2011         p_82xx_addr_filt =
2012             (struct ucc_geth_82xx_address_filtering_pram __iomem *)
2013             ugeth->p_rx_glbl_pram->addressfiltering;
2014
2015         if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
2016                 addr_h = &(p_82xx_addr_filt->gaddr_h);
2017                 addr_l = &(p_82xx_addr_filt->gaddr_l);
2018                 p_lh = &ugeth->group_hash_q;
2019                 p_counter = &(ugeth->numGroupAddrInHash);
2020         } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
2021                 addr_h = &(p_82xx_addr_filt->iaddr_h);
2022                 addr_l = &(p_82xx_addr_filt->iaddr_l);
2023                 p_lh = &ugeth->ind_hash_q;
2024                 p_counter = &(ugeth->numIndAddrInHash);
2025         } else
2026                 return -EINVAL;
2027
2028         comm_dir = 0;
2029         if (uccf->enabled_tx)
2030                 comm_dir |= COMM_DIR_TX;
2031         if (uccf->enabled_rx)
2032                 comm_dir |= COMM_DIR_RX;
2033         if (comm_dir)
2034                 ugeth_disable(ugeth, comm_dir);
2035
2036         /* Clear the hash table. */
2037         out_be32(addr_h, 0x00000000);
2038         out_be32(addr_l, 0x00000000);
2039
2040         if (!p_lh)
2041                 return 0;
2042
2043         num = *p_counter;
2044
2045         /* Delete all remaining CQ elements */
2046         for (i = 0; i < num; i++)
2047                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
2048
2049         *p_counter = 0;
2050
2051         if (comm_dir)
2052                 ugeth_enable(ugeth, comm_dir);
2053
2054         return 0;
2055 }
2056
2057 #ifdef CONFIG_UGETH_FILTERING
2058 static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
2059                                                   struct enet_addr *p_enet_addr,
2060                                                   u8 paddr_num)
2061 {
2062         int i;
2063
2064         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
2065                 ugeth_warn
2066                     ("%s: multicast address added to paddr will have no "
2067                      "effect - is this what you wanted?",
2068                      __func__);
2069
2070         ugeth->indAddrRegUsed[paddr_num] = 1;   /* mark this paddr as used */
2071         /* store address in our database */
2072         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
2073                 ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
2074         /* put in hardware */
2075         return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
2076 }
2077 #endif /* CONFIG_UGETH_FILTERING */
2078
2079 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2080                                                     u8 paddr_num)
2081 {
2082         ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
2083         return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
2084 }
2085
2086 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2087 {
2088         u16 i, j;
2089         u8 __iomem *bd;
2090
2091         if (!ugeth)
2092                 return;
2093
2094         if (ugeth->uccf) {
2095                 ucc_fast_free(ugeth->uccf);
2096                 ugeth->uccf = NULL;
2097         }
2098
2099         if (ugeth->p_thread_data_tx) {
2100                 qe_muram_free(ugeth->thread_dat_tx_offset);
2101                 ugeth->p_thread_data_tx = NULL;
2102         }
2103         if (ugeth->p_thread_data_rx) {
2104                 qe_muram_free(ugeth->thread_dat_rx_offset);
2105                 ugeth->p_thread_data_rx = NULL;
2106         }
2107         if (ugeth->p_exf_glbl_param) {
2108                 qe_muram_free(ugeth->exf_glbl_param_offset);
2109                 ugeth->p_exf_glbl_param = NULL;
2110         }
2111         if (ugeth->p_rx_glbl_pram) {
2112                 qe_muram_free(ugeth->rx_glbl_pram_offset);
2113                 ugeth->p_rx_glbl_pram = NULL;
2114         }
2115         if (ugeth->p_tx_glbl_pram) {
2116                 qe_muram_free(ugeth->tx_glbl_pram_offset);
2117                 ugeth->p_tx_glbl_pram = NULL;
2118         }
2119         if (ugeth->p_send_q_mem_reg) {
2120                 qe_muram_free(ugeth->send_q_mem_reg_offset);
2121                 ugeth->p_send_q_mem_reg = NULL;
2122         }
2123         if (ugeth->p_scheduler) {
2124                 qe_muram_free(ugeth->scheduler_offset);
2125                 ugeth->p_scheduler = NULL;
2126         }
2127         if (ugeth->p_tx_fw_statistics_pram) {
2128                 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
2129                 ugeth->p_tx_fw_statistics_pram = NULL;
2130         }
2131         if (ugeth->p_rx_fw_statistics_pram) {
2132                 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
2133                 ugeth->p_rx_fw_statistics_pram = NULL;
2134         }
2135         if (ugeth->p_rx_irq_coalescing_tbl) {
2136                 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
2137                 ugeth->p_rx_irq_coalescing_tbl = NULL;
2138         }
2139         if (ugeth->p_rx_bd_qs_tbl) {
2140                 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
2141                 ugeth->p_rx_bd_qs_tbl = NULL;
2142         }
2143         if (ugeth->p_init_enet_param_shadow) {
2144                 return_init_enet_entries(ugeth,
2145                                          &(ugeth->p_init_enet_param_shadow->
2146                                            rxthread[0]),
2147                                          ENET_INIT_PARAM_MAX_ENTRIES_RX,
2148                                          ugeth->ug_info->riscRx, 1);
2149                 return_init_enet_entries(ugeth,
2150                                          &(ugeth->p_init_enet_param_shadow->
2151                                            txthread[0]),
2152                                          ENET_INIT_PARAM_MAX_ENTRIES_TX,
2153                                          ugeth->ug_info->riscTx, 0);
2154                 kfree(ugeth->p_init_enet_param_shadow);
2155                 ugeth->p_init_enet_param_shadow = NULL;
2156         }
2157         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
2158                 bd = ugeth->p_tx_bd_ring[i];
2159                 if (!bd)
2160                         continue;
2161                 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
2162                         if (ugeth->tx_skbuff[i][j]) {
2163                                 dma_unmap_single(&ugeth->dev->dev,
2164                                                  in_be32(&((struct qe_bd __iomem *)bd)->buf),
2165                                                  (in_be32((u32 __iomem *)bd) &
2166                                                   BD_LENGTH_MASK),
2167                                                  DMA_TO_DEVICE);
2168                                 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
2169                                 ugeth->tx_skbuff[i][j] = NULL;
2170                         }
2171                 }
2172
2173                 kfree(ugeth->tx_skbuff[i]);
2174
2175                 if (ugeth->p_tx_bd_ring[i]) {
2176                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2177                             MEM_PART_SYSTEM)
2178                                 kfree((void *)ugeth->tx_bd_ring_offset[i]);
2179                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2180                                  MEM_PART_MURAM)
2181                                 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
2182                         ugeth->p_tx_bd_ring[i] = NULL;
2183                 }
2184         }
2185         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
2186                 if (ugeth->p_rx_bd_ring[i]) {
2187                         /* Return existing data buffers in ring */
2188                         bd = ugeth->p_rx_bd_ring[i];
2189                         for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
2190                                 if (ugeth->rx_skbuff[i][j]) {
2191                                         dma_unmap_single(&ugeth->dev->dev,
2192                                                 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2193                                                 ugeth->ug_info->
2194                                                 uf_info.max_rx_buf_length +
2195                                                 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
2196                                                 DMA_FROM_DEVICE);
2197                                         dev_kfree_skb_any(
2198                                                 ugeth->rx_skbuff[i][j]);
2199                                         ugeth->rx_skbuff[i][j] = NULL;
2200                                 }
2201                                 bd += sizeof(struct qe_bd);
2202                         }
2203
2204                         kfree(ugeth->rx_skbuff[i]);
2205
2206                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2207                             MEM_PART_SYSTEM)
2208                                 kfree((void *)ugeth->rx_bd_ring_offset[i]);
2209                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2210                                  MEM_PART_MURAM)
2211                                 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
2212                         ugeth->p_rx_bd_ring[i] = NULL;
2213                 }
2214         }
2215         while (!list_empty(&ugeth->group_hash_q))
2216                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2217                                         (dequeue(&ugeth->group_hash_q)));
2218         while (!list_empty(&ugeth->ind_hash_q))
2219                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2220                                         (dequeue(&ugeth->ind_hash_q)));
2221
2222 }
2223
2224 static void ucc_geth_set_multi(struct net_device *dev)
2225 {
2226         struct ucc_geth_private *ugeth;
2227         struct dev_mc_list *dmi;
2228         struct ucc_fast __iomem *uf_regs;
2229         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2230         int i;
2231
2232         ugeth = netdev_priv(dev);
2233
2234         uf_regs = ugeth->uccf->uf_regs;
2235
2236         if (dev->flags & IFF_PROMISC) {
2237
2238                 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr) | UPSMR_PRO);
2239
2240         } else {
2241
2242                 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr)&~UPSMR_PRO);
2243
2244                 p_82xx_addr_filt =
2245                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2246                     p_rx_glbl_pram->addressfiltering;
2247
2248                 if (dev->flags & IFF_ALLMULTI) {
2249                         /* Catch all multicast addresses, so set the
2250                          * filter to all 1's.
2251                          */
2252                         out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2253                         out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2254                 } else {
2255                         /* Clear filter and add the addresses in the list.
2256                          */
2257                         out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2258                         out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2259
2260                         dmi = dev->mc_list;
2261
2262                         for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
2263
2264                                 /* Only support group multicast for now.
2265                                  */
2266                                 if (!(dmi->dmi_addr[0] & 1))
2267                                         continue;
2268
2269                                 /* Ask CPM to run CRC and set bit in
2270                                  * filter mask.
2271                                  */
2272                                 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2273                         }
2274                 }
2275         }
2276 }
2277
2278 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2279 {
2280         struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2281         struct phy_device *phydev = ugeth->phydev;
2282         u32 tempval;
2283
2284         ugeth_vdbg("%s: IN", __func__);
2285
2286         /* Disable the controller */
2287         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2288
2289         /* Tell the kernel the link is down */
2290         phy_stop(phydev);
2291
2292         /* Mask all interrupts */
2293         out_be32(ugeth->uccf->p_uccm, 0x00000000);
2294
2295         /* Clear all interrupts */
2296         out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2297
2298         /* Disable Rx and Tx */
2299         tempval = in_be32(&ug_regs->maccfg1);
2300         tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2301         out_be32(&ug_regs->maccfg1, tempval);
2302
2303         free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
2304
2305         ucc_geth_memclean(ugeth);
2306 }
2307
2308 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2309 {
2310         struct ucc_geth_info *ug_info;
2311         struct ucc_fast_info *uf_info;
2312         int i;
2313
2314         ug_info = ugeth->ug_info;
2315         uf_info = &ug_info->uf_info;
2316
2317         if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2318               (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2319                 if (netif_msg_probe(ugeth))
2320                         ugeth_err("%s: Bad memory partition value.",
2321                                         __func__);
2322                 return -EINVAL;
2323         }
2324
2325         /* Rx BD lengths */
2326         for (i = 0; i < ug_info->numQueuesRx; i++) {
2327                 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2328                     (ug_info->bdRingLenRx[i] %
2329                      UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2330                         if (netif_msg_probe(ugeth))
2331                                 ugeth_err
2332                                     ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2333                                         __func__);
2334                         return -EINVAL;
2335                 }
2336         }
2337
2338         /* Tx BD lengths */
2339         for (i = 0; i < ug_info->numQueuesTx; i++) {
2340                 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2341                         if (netif_msg_probe(ugeth))
2342                                 ugeth_err
2343                                     ("%s: Tx BD ring length must be no smaller than 2.",
2344                                      __func__);
2345                         return -EINVAL;
2346                 }
2347         }
2348
2349         /* mrblr */
2350         if ((uf_info->max_rx_buf_length == 0) ||
2351             (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2352                 if (netif_msg_probe(ugeth))
2353                         ugeth_err
2354                             ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2355                              __func__);
2356                 return -EINVAL;
2357         }
2358
2359         /* num Tx queues */
2360         if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2361                 if (netif_msg_probe(ugeth))
2362                         ugeth_err("%s: number of tx queues too large.", __func__);
2363                 return -EINVAL;
2364         }
2365
2366         /* num Rx queues */
2367         if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2368                 if (netif_msg_probe(ugeth))
2369                         ugeth_err("%s: number of rx queues too large.", __func__);
2370                 return -EINVAL;
2371         }
2372
2373         /* l2qt */
2374         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2375                 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2376                         if (netif_msg_probe(ugeth))
2377                                 ugeth_err
2378                                     ("%s: VLAN priority table entry must not be"
2379                                         " larger than number of Rx queues.",
2380                                      __func__);
2381                         return -EINVAL;
2382                 }
2383         }
2384
2385         /* l3qt */
2386         for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2387                 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2388                         if (netif_msg_probe(ugeth))
2389                                 ugeth_err
2390                                     ("%s: IP priority table entry must not be"
2391                                         " larger than number of Rx queues.",
2392                                      __func__);
2393                         return -EINVAL;
2394                 }
2395         }
2396
2397         if (ug_info->cam && !ug_info->ecamptr) {
2398                 if (netif_msg_probe(ugeth))
2399                         ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2400                                   __func__);
2401                 return -EINVAL;
2402         }
2403
2404         if ((ug_info->numStationAddresses !=
2405              UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2406             && ug_info->rxExtendedFiltering) {
2407                 if (netif_msg_probe(ugeth))
2408                         ugeth_err("%s: Number of station addresses greater than 1 "
2409                                   "not allowed in extended parsing mode.",
2410                                   __func__);
2411                 return -EINVAL;
2412         }
2413
2414         /* Generate uccm_mask for receive */
2415         uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2416         for (i = 0; i < ug_info->numQueuesRx; i++)
2417                 uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
2418
2419         for (i = 0; i < ug_info->numQueuesTx; i++)
2420                 uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
2421         /* Initialize the general fast UCC block. */
2422         if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2423                 if (netif_msg_probe(ugeth))
2424                         ugeth_err("%s: Failed to init uccf.", __func__);
2425                 ucc_geth_memclean(ugeth);
2426                 return -ENOMEM;
2427         }
2428
2429         ugeth->ug_regs = (struct ucc_geth __iomem *) ioremap(uf_info->regs, sizeof(struct ucc_geth));
2430
2431         return 0;
2432 }
2433
2434 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2435 {
2436         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2437         struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2438         struct ucc_fast_private *uccf;
2439         struct ucc_geth_info *ug_info;
2440         struct ucc_fast_info *uf_info;
2441         struct ucc_fast __iomem *uf_regs;
2442         struct ucc_geth __iomem *ug_regs;
2443         int ret_val = -EINVAL;
2444         u32 remoder = UCC_GETH_REMODER_INIT;
2445         u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
2446         u32 ifstat, i, j, size, l2qt, l3qt, length;
2447         u16 temoder = UCC_GETH_TEMODER_INIT;
2448         u16 test;
2449         u8 function_code = 0;
2450         u8 __iomem *bd;
2451         u8 __iomem *endOfRing;
2452         u8 numThreadsRxNumerical, numThreadsTxNumerical;
2453
2454         ugeth_vdbg("%s: IN", __func__);
2455         uccf = ugeth->uccf;
2456         ug_info = ugeth->ug_info;
2457         uf_info = &ug_info->uf_info;
2458         uf_regs = uccf->uf_regs;
2459         ug_regs = ugeth->ug_regs;
2460
2461         switch (ug_info->numThreadsRx) {
2462         case UCC_GETH_NUM_OF_THREADS_1:
2463                 numThreadsRxNumerical = 1;
2464                 break;
2465         case UCC_GETH_NUM_OF_THREADS_2:
2466                 numThreadsRxNumerical = 2;
2467                 break;
2468         case UCC_GETH_NUM_OF_THREADS_4:
2469                 numThreadsRxNumerical = 4;
2470                 break;
2471         case UCC_GETH_NUM_OF_THREADS_6:
2472                 numThreadsRxNumerical = 6;
2473                 break;
2474         case UCC_GETH_NUM_OF_THREADS_8:
2475                 numThreadsRxNumerical = 8;
2476                 break;
2477         default:
2478                 if (netif_msg_ifup(ugeth))
2479                         ugeth_err("%s: Bad number of Rx threads value.",
2480                                         __func__);
2481                 ucc_geth_memclean(ugeth);
2482                 return -EINVAL;
2483                 break;
2484         }
2485
2486         switch (ug_info->numThreadsTx) {
2487         case UCC_GETH_NUM_OF_THREADS_1:
2488                 numThreadsTxNumerical = 1;
2489                 break;
2490         case UCC_GETH_NUM_OF_THREADS_2:
2491                 numThreadsTxNumerical = 2;
2492                 break;
2493         case UCC_GETH_NUM_OF_THREADS_4:
2494                 numThreadsTxNumerical = 4;
2495                 break;
2496         case UCC_GETH_NUM_OF_THREADS_6:
2497                 numThreadsTxNumerical = 6;
2498                 break;
2499         case UCC_GETH_NUM_OF_THREADS_8:
2500                 numThreadsTxNumerical = 8;
2501                 break;
2502         default:
2503                 if (netif_msg_ifup(ugeth))
2504                         ugeth_err("%s: Bad number of Tx threads value.",
2505                                         __func__);
2506                 ucc_geth_memclean(ugeth);
2507                 return -EINVAL;
2508                 break;
2509         }
2510
2511         /* Calculate rx_extended_features */
2512         ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2513             ug_info->ipAddressAlignment ||
2514             (ug_info->numStationAddresses !=
2515              UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2516
2517         ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2518             (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2519             || (ug_info->vlanOperationNonTagged !=
2520                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2521
2522         init_default_reg_vals(&uf_regs->upsmr,
2523                               &ug_regs->maccfg1, &ug_regs->maccfg2);
2524
2525         /*                    Set UPSMR                      */
2526         /* For more details see the hardware spec.           */
2527         init_rx_parameters(ug_info->bro,
2528                            ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2529
2530         /* We're going to ignore other registers for now, */
2531         /* except as needed to get up and running         */
2532
2533         /*                    Set MACCFG1                    */
2534         /* For more details see the hardware spec.           */
2535         init_flow_control_params(ug_info->aufc,
2536                                  ug_info->receiveFlowControl,
2537                                  ug_info->transmitFlowControl,
2538                                  ug_info->pausePeriod,
2539                                  ug_info->extensionField,
2540                                  &uf_regs->upsmr,
2541                                  &ug_regs->uempr, &ug_regs->maccfg1);
2542
2543         maccfg1 = in_be32(&ug_regs->maccfg1);
2544         maccfg1 |= MACCFG1_ENABLE_RX;
2545         maccfg1 |= MACCFG1_ENABLE_TX;
2546         out_be32(&ug_regs->maccfg1, maccfg1);
2547
2548         /*                    Set IPGIFG                     */
2549         /* For more details see the hardware spec.           */
2550         ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2551                                               ug_info->nonBackToBackIfgPart2,
2552                                               ug_info->
2553                                               miminumInterFrameGapEnforcement,
2554                                               ug_info->backToBackInterFrameGap,
2555                                               &ug_regs->ipgifg);
2556         if (ret_val != 0) {
2557                 if (netif_msg_ifup(ugeth))
2558                         ugeth_err("%s: IPGIFG initialization parameter too large.",
2559                                   __func__);
2560                 ucc_geth_memclean(ugeth);
2561                 return ret_val;
2562         }
2563
2564         /*                    Set HAFDUP                     */
2565         /* For more details see the hardware spec.           */
2566         ret_val = init_half_duplex_params(ug_info->altBeb,
2567                                           ug_info->backPressureNoBackoff,
2568                                           ug_info->noBackoff,
2569                                           ug_info->excessDefer,
2570                                           ug_info->altBebTruncation,
2571                                           ug_info->maxRetransmission,
2572                                           ug_info->collisionWindow,
2573                                           &ug_regs->hafdup);
2574         if (ret_val != 0) {
2575                 if (netif_msg_ifup(ugeth))
2576                         ugeth_err("%s: Half Duplex initialization parameter too large.",
2577                           __func__);
2578                 ucc_geth_memclean(ugeth);
2579                 return ret_val;
2580         }
2581
2582         /*                    Set IFSTAT                     */
2583         /* For more details see the hardware spec.           */
2584         /* Read only - resets upon read                      */
2585         ifstat = in_be32(&ug_regs->ifstat);
2586
2587         /*                    Clear UEMPR                    */
2588         /* For more details see the hardware spec.           */
2589         out_be32(&ug_regs->uempr, 0);
2590
2591         /*                    Set UESCR                      */
2592         /* For more details see the hardware spec.           */
2593         init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2594                                 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2595                                 0, &uf_regs->upsmr, &ug_regs->uescr);
2596
2597         /* Allocate Tx bds */
2598         for (j = 0; j < ug_info->numQueuesTx; j++) {
2599                 /* Allocate in multiple of
2600                    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2601                    according to spec */
2602                 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2603                           / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2604                     * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2605                 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2606                     UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2607                         length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2608                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2609                         u32 align = 4;
2610                         if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2611                                 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2612                         ugeth->tx_bd_ring_offset[j] =
2613                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2614
2615                         if (ugeth->tx_bd_ring_offset[j] != 0)
2616                                 ugeth->p_tx_bd_ring[j] =
2617                                         (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2618                                         align) & ~(align - 1));
2619                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2620                         ugeth->tx_bd_ring_offset[j] =
2621                             qe_muram_alloc(length,
2622                                            UCC_GETH_TX_BD_RING_ALIGNMENT);
2623                         if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2624                                 ugeth->p_tx_bd_ring[j] =
2625                                     (u8 __iomem *) qe_muram_addr(ugeth->
2626                                                          tx_bd_ring_offset[j]);
2627                 }
2628                 if (!ugeth->p_tx_bd_ring[j]) {
2629                         if (netif_msg_ifup(ugeth))
2630                                 ugeth_err
2631                                     ("%s: Can not allocate memory for Tx bd rings.",
2632                                      __func__);
2633                         ucc_geth_memclean(ugeth);
2634                         return -ENOMEM;
2635                 }
2636                 /* Zero unused end of bd ring, according to spec */
2637                 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2638                        ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2639                        length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2640         }
2641
2642         /* Allocate Rx bds */
2643         for (j = 0; j < ug_info->numQueuesRx; j++) {
2644                 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2645                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2646                         u32 align = 4;
2647                         if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2648                                 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2649                         ugeth->rx_bd_ring_offset[j] =
2650                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2651                         if (ugeth->rx_bd_ring_offset[j] != 0)
2652                                 ugeth->p_rx_bd_ring[j] =
2653                                         (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2654                                         align) & ~(align - 1));
2655                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2656                         ugeth->rx_bd_ring_offset[j] =
2657                             qe_muram_alloc(length,
2658                                            UCC_GETH_RX_BD_RING_ALIGNMENT);
2659                         if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2660                                 ugeth->p_rx_bd_ring[j] =
2661                                     (u8 __iomem *) qe_muram_addr(ugeth->
2662                                                          rx_bd_ring_offset[j]);
2663                 }
2664                 if (!ugeth->p_rx_bd_ring[j]) {
2665                         if (netif_msg_ifup(ugeth))
2666                                 ugeth_err
2667                                     ("%s: Can not allocate memory for Rx bd rings.",
2668                                      __func__);
2669                         ucc_geth_memclean(ugeth);
2670                         return -ENOMEM;
2671                 }
2672         }
2673
2674         /* Init Tx bds */
2675         for (j = 0; j < ug_info->numQueuesTx; j++) {
2676                 /* Setup the skbuff rings */
2677                 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2678                                               ugeth->ug_info->bdRingLenTx[j],
2679                                               GFP_KERNEL);
2680
2681                 if (ugeth->tx_skbuff[j] == NULL) {
2682                         if (netif_msg_ifup(ugeth))
2683                                 ugeth_err("%s: Could not allocate tx_skbuff",
2684                                           __func__);
2685                         ucc_geth_memclean(ugeth);
2686                         return -ENOMEM;
2687                 }
2688
2689                 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2690                         ugeth->tx_skbuff[j][i] = NULL;
2691
2692                 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2693                 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2694                 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2695                         /* clear bd buffer */
2696                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2697                         /* set bd status and length */
2698                         out_be32((u32 __iomem *)bd, 0);
2699                         bd += sizeof(struct qe_bd);
2700                 }
2701                 bd -= sizeof(struct qe_bd);
2702                 /* set bd status and length */
2703                 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2704         }
2705
2706         /* Init Rx bds */
2707         for (j = 0; j < ug_info->numQueuesRx; j++) {
2708                 /* Setup the skbuff rings */
2709                 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2710                                               ugeth->ug_info->bdRingLenRx[j],
2711                                               GFP_KERNEL);
2712
2713                 if (ugeth->rx_skbuff[j] == NULL) {
2714                         if (netif_msg_ifup(ugeth))
2715                                 ugeth_err("%s: Could not allocate rx_skbuff",
2716                                           __func__);
2717                         ucc_geth_memclean(ugeth);
2718                         return -ENOMEM;
2719                 }
2720
2721                 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2722                         ugeth->rx_skbuff[j][i] = NULL;
2723
2724                 ugeth->skb_currx[j] = 0;
2725                 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2726                 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2727                         /* set bd status and length */
2728                         out_be32((u32 __iomem *)bd, R_I);
2729                         /* clear bd buffer */
2730                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2731                         bd += sizeof(struct qe_bd);
2732                 }
2733                 bd -= sizeof(struct qe_bd);
2734                 /* set bd status and length */
2735                 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2736         }
2737
2738         /*
2739          * Global PRAM
2740          */
2741         /* Tx global PRAM */
2742         /* Allocate global tx parameter RAM page */
2743         ugeth->tx_glbl_pram_offset =
2744             qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2745                            UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2746         if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2747                 if (netif_msg_ifup(ugeth))
2748                         ugeth_err
2749                             ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2750                              __func__);
2751                 ucc_geth_memclean(ugeth);
2752                 return -ENOMEM;
2753         }
2754         ugeth->p_tx_glbl_pram =
2755             (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2756                                                         tx_glbl_pram_offset);
2757         /* Zero out p_tx_glbl_pram */
2758         memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2759
2760         /* Fill global PRAM */
2761
2762         /* TQPTR */
2763         /* Size varies with number of Tx threads */
2764         ugeth->thread_dat_tx_offset =
2765             qe_muram_alloc(numThreadsTxNumerical *
2766                            sizeof(struct ucc_geth_thread_data_tx) +
2767                            32 * (numThreadsTxNumerical == 1),
2768                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2769         if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2770                 if (netif_msg_ifup(ugeth))
2771                         ugeth_err
2772                             ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2773                              __func__);
2774                 ucc_geth_memclean(ugeth);
2775                 return -ENOMEM;
2776         }
2777
2778         ugeth->p_thread_data_tx =
2779             (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2780                                                         thread_dat_tx_offset);
2781         out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2782
2783         /* vtagtable */
2784         for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2785                 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2786                          ug_info->vtagtable[i]);
2787
2788         /* iphoffset */
2789         for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2790                 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2791                                 ug_info->iphoffset[i]);
2792
2793         /* SQPTR */
2794         /* Size varies with number of Tx queues */
2795         ugeth->send_q_mem_reg_offset =
2796             qe_muram_alloc(ug_info->numQueuesTx *
2797                            sizeof(struct ucc_geth_send_queue_qd),
2798                            UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2799         if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2800                 if (netif_msg_ifup(ugeth))
2801                         ugeth_err
2802                             ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2803                              __func__);
2804                 ucc_geth_memclean(ugeth);
2805                 return -ENOMEM;
2806         }
2807
2808         ugeth->p_send_q_mem_reg =
2809             (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2810                         send_q_mem_reg_offset);
2811         out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2812
2813         /* Setup the table */
2814         /* Assume BD rings are already established */
2815         for (i = 0; i < ug_info->numQueuesTx; i++) {
2816                 endOfRing =
2817                     ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2818                                               1) * sizeof(struct qe_bd);
2819                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2820                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2821                                  (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2822                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2823                                  last_bd_completed_address,
2824                                  (u32) virt_to_phys(endOfRing));
2825                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2826                            MEM_PART_MURAM) {
2827                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2828                                  (u32) immrbar_virt_to_phys(ugeth->
2829                                                             p_tx_bd_ring[i]));
2830                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2831                                  last_bd_completed_address,
2832                                  (u32) immrbar_virt_to_phys(endOfRing));
2833                 }
2834         }
2835
2836         /* schedulerbasepointer */
2837
2838         if (ug_info->numQueuesTx > 1) {
2839         /* scheduler exists only if more than 1 tx queue */
2840                 ugeth->scheduler_offset =
2841                     qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2842                                    UCC_GETH_SCHEDULER_ALIGNMENT);
2843                 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2844                         if (netif_msg_ifup(ugeth))
2845                                 ugeth_err
2846                                  ("%s: Can not allocate DPRAM memory for p_scheduler.",
2847                                      __func__);
2848                         ucc_geth_memclean(ugeth);
2849                         return -ENOMEM;
2850                 }
2851
2852                 ugeth->p_scheduler =
2853                     (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2854                                                            scheduler_offset);
2855                 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2856                          ugeth->scheduler_offset);
2857                 /* Zero out p_scheduler */
2858                 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2859
2860                 /* Set values in scheduler */
2861                 out_be32(&ugeth->p_scheduler->mblinterval,
2862                          ug_info->mblinterval);
2863                 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2864                          ug_info->nortsrbytetime);
2865                 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2866                 out_8(&ugeth->p_scheduler->strictpriorityq,
2867                                 ug_info->strictpriorityq);
2868                 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2869                 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2870                 for (i = 0; i < NUM_TX_QUEUES; i++)
2871                         out_8(&ugeth->p_scheduler->weightfactor[i],
2872                             ug_info->weightfactor[i]);
2873
2874                 /* Set pointers to cpucount registers in scheduler */
2875                 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2876                 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2877                 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2878                 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2879                 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2880                 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2881                 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2882                 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2883         }
2884
2885         /* schedulerbasepointer */
2886         /* TxRMON_PTR (statistics) */
2887         if (ug_info->
2888             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2889                 ugeth->tx_fw_statistics_pram_offset =
2890                     qe_muram_alloc(sizeof
2891                                    (struct ucc_geth_tx_firmware_statistics_pram),
2892                                    UCC_GETH_TX_STATISTICS_ALIGNMENT);
2893                 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2894                         if (netif_msg_ifup(ugeth))
2895                                 ugeth_err
2896                                     ("%s: Can not allocate DPRAM memory for"
2897                                         " p_tx_fw_statistics_pram.",
2898                                         __func__);
2899                         ucc_geth_memclean(ugeth);
2900                         return -ENOMEM;
2901                 }
2902                 ugeth->p_tx_fw_statistics_pram =
2903                     (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2904                     qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2905                 /* Zero out p_tx_fw_statistics_pram */
2906                 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2907                        0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2908         }
2909
2910         /* temoder */
2911         /* Already has speed set */
2912
2913         if (ug_info->numQueuesTx > 1)
2914                 temoder |= TEMODER_SCHEDULER_ENABLE;
2915         if (ug_info->ipCheckSumGenerate)
2916                 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2917         temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2918         out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2919
2920         test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2921
2922         /* Function code register value to be used later */
2923         function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2924         /* Required for QE */
2925
2926         /* function code register */
2927         out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2928
2929         /* Rx global PRAM */
2930         /* Allocate global rx parameter RAM page */
2931         ugeth->rx_glbl_pram_offset =
2932             qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2933                            UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2934         if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2935                 if (netif_msg_ifup(ugeth))
2936                         ugeth_err
2937                             ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2938                              __func__);
2939                 ucc_geth_memclean(ugeth);
2940                 return -ENOMEM;
2941         }
2942         ugeth->p_rx_glbl_pram =
2943             (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2944                                                         rx_glbl_pram_offset);
2945         /* Zero out p_rx_glbl_pram */
2946         memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2947
2948         /* Fill global PRAM */
2949
2950         /* RQPTR */
2951         /* Size varies with number of Rx threads */
2952         ugeth->thread_dat_rx_offset =
2953             qe_muram_alloc(numThreadsRxNumerical *
2954                            sizeof(struct ucc_geth_thread_data_rx),
2955                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2956         if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2957                 if (netif_msg_ifup(ugeth))
2958                         ugeth_err
2959                             ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2960                              __func__);
2961                 ucc_geth_memclean(ugeth);
2962                 return -ENOMEM;
2963         }
2964
2965         ugeth->p_thread_data_rx =
2966             (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2967                                                         thread_dat_rx_offset);
2968         out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2969
2970         /* typeorlen */
2971         out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2972
2973         /* rxrmonbaseptr (statistics) */
2974         if (ug_info->
2975             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2976                 ugeth->rx_fw_statistics_pram_offset =
2977                     qe_muram_alloc(sizeof
2978                                    (struct ucc_geth_rx_firmware_statistics_pram),
2979                                    UCC_GETH_RX_STATISTICS_ALIGNMENT);
2980                 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2981                         if (netif_msg_ifup(ugeth))
2982                                 ugeth_err
2983                                         ("%s: Can not allocate DPRAM memory for"
2984                                         " p_rx_fw_statistics_pram.", __func__);
2985                         ucc_geth_memclean(ugeth);
2986                         return -ENOMEM;
2987                 }
2988                 ugeth->p_rx_fw_statistics_pram =
2989                     (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2990                     qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2991                 /* Zero out p_rx_fw_statistics_pram */
2992                 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2993                        sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2994         }
2995
2996         /* intCoalescingPtr */
2997
2998         /* Size varies with number of Rx queues */
2999         ugeth->rx_irq_coalescing_tbl_offset =
3000             qe_muram_alloc(ug_info->numQueuesRx *
3001                            sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
3002                            + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
3003         if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
3004                 if (netif_msg_ifup(ugeth))
3005                         ugeth_err
3006                             ("%s: Can not allocate DPRAM memory for"
3007                                 " p_rx_irq_coalescing_tbl.", __func__);
3008                 ucc_geth_memclean(ugeth);
3009                 return -ENOMEM;
3010         }
3011
3012         ugeth->p_rx_irq_coalescing_tbl =
3013             (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
3014             qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
3015         out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
3016                  ugeth->rx_irq_coalescing_tbl_offset);
3017
3018         /* Fill interrupt coalescing table */
3019         for (i = 0; i < ug_info->numQueuesRx; i++) {
3020                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3021                          interruptcoalescingmaxvalue,
3022                          ug_info->interruptcoalescingmaxvalue[i]);
3023                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3024                          interruptcoalescingcounter,
3025                          ug_info->interruptcoalescingmaxvalue[i]);
3026         }
3027
3028         /* MRBLR */
3029         init_max_rx_buff_len(uf_info->max_rx_buf_length,
3030                              &ugeth->p_rx_glbl_pram->mrblr);
3031         /* MFLR */
3032         out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
3033         /* MINFLR */
3034         init_min_frame_len(ug_info->minFrameLength,
3035                            &ugeth->p_rx_glbl_pram->minflr,
3036                            &ugeth->p_rx_glbl_pram->mrblr);
3037         /* MAXD1 */
3038         out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
3039         /* MAXD2 */
3040         out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
3041
3042         /* l2qt */
3043         l2qt = 0;
3044         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
3045                 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
3046         out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
3047
3048         /* l3qt */
3049         for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
3050                 l3qt = 0;
3051                 for (i = 0; i < 8; i++)
3052                         l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3053                 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3054         }
3055
3056         /* vlantype */
3057         out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
3058
3059         /* vlantci */
3060         out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
3061
3062         /* ecamptr */
3063         out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
3064
3065         /* RBDQPTR */
3066         /* Size varies with number of Rx queues */
3067         ugeth->rx_bd_qs_tbl_offset =
3068             qe_muram_alloc(ug_info->numQueuesRx *
3069                            (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3070                             sizeof(struct ucc_geth_rx_prefetched_bds)),
3071                            UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3072         if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3073                 if (netif_msg_ifup(ugeth))
3074                         ugeth_err
3075                             ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3076                              __func__);
3077                 ucc_geth_memclean(ugeth);
3078                 return -ENOMEM;
3079         }
3080
3081         ugeth->p_rx_bd_qs_tbl =
3082             (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
3083                                     rx_bd_qs_tbl_offset);
3084         out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
3085         /* Zero out p_rx_bd_qs_tbl */
3086         memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
3087                0,
3088                ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3089                                        sizeof(struct ucc_geth_rx_prefetched_bds)));
3090
3091         /* Setup the table */
3092         /* Assume BD rings are already established */
3093         for (i = 0; i < ug_info->numQueuesRx; i++) {
3094                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
3095                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3096                                  (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
3097                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
3098                            MEM_PART_MURAM) {
3099                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3100                                  (u32) immrbar_virt_to_phys(ugeth->
3101                                                             p_rx_bd_ring[i]));
3102                 }
3103                 /* rest of fields handled by QE */
3104         }
3105
3106         /* remoder */
3107         /* Already has speed set */
3108
3109         if (ugeth->rx_extended_features)
3110                 remoder |= REMODER_RX_EXTENDED_FEATURES;
3111         if (ug_info->rxExtendedFiltering)
3112                 remoder |= REMODER_RX_EXTENDED_FILTERING;
3113         if (ug_info->dynamicMaxFrameLength)
3114                 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
3115         if (ug_info->dynamicMinFrameLength)
3116                 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
3117         remoder |=
3118             ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
3119         remoder |=
3120             ug_info->
3121             vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
3122         remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
3123         remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
3124         if (ug_info->ipCheckSumCheck)
3125                 remoder |= REMODER_IP_CHECKSUM_CHECK;
3126         if (ug_info->ipAddressAlignment)
3127                 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
3128         out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
3129
3130         /* Note that this function must be called */
3131         /* ONLY AFTER p_tx_fw_statistics_pram */
3132         /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
3133         init_firmware_statistics_gathering_mode((ug_info->
3134                 statisticsMode &
3135                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
3136                 (ug_info->statisticsMode &
3137                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
3138                 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
3139                 ugeth->tx_fw_statistics_pram_offset,
3140                 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
3141                 ugeth->rx_fw_statistics_pram_offset,
3142                 &ugeth->p_tx_glbl_pram->temoder,
3143                 &ugeth->p_rx_glbl_pram->remoder);
3144
3145         /* function code register */
3146         out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
3147
3148         /* initialize extended filtering */
3149         if (ug_info->rxExtendedFiltering) {
3150                 if (!ug_info->extendedFilteringChainPointer) {
3151                         if (netif_msg_ifup(ugeth))
3152                                 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3153                                           __func__);
3154                         ucc_geth_memclean(ugeth);
3155                         return -EINVAL;
3156                 }
3157
3158                 /* Allocate memory for extended filtering Mode Global
3159                 Parameters */
3160                 ugeth->exf_glbl_param_offset =
3161                     qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3162                 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3163                 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3164                         if (netif_msg_ifup(ugeth))
3165                                 ugeth_err
3166                                         ("%s: Can not allocate DPRAM memory for"
3167                                         " p_exf_glbl_param.", __func__);
3168                         ucc_geth_memclean(ugeth);
3169                         return -ENOMEM;
3170                 }
3171
3172                 ugeth->p_exf_glbl_param =
3173                     (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
3174                                  exf_glbl_param_offset);
3175                 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
3176                          ugeth->exf_glbl_param_offset);
3177                 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
3178                          (u32) ug_info->extendedFilteringChainPointer);
3179
3180         } else {                /* initialize 82xx style address filtering */
3181
3182                 /* Init individual address recognition registers to disabled */
3183
3184                 for (j = 0; j < NUM_OF_PADDRS; j++)
3185                         ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
3186
3187                 p_82xx_addr_filt =
3188                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
3189                     p_rx_glbl_pram->addressfiltering;
3190
3191                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3192                         ENET_ADDR_TYPE_GROUP);
3193                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3194                         ENET_ADDR_TYPE_INDIVIDUAL);
3195         }
3196
3197         /*
3198          * Initialize UCC at QE level
3199          */
3200
3201         command = QE_INIT_TX_RX;
3202
3203         /* Allocate shadow InitEnet command parameter structure.
3204          * This is needed because after the InitEnet command is executed,
3205          * the structure in DPRAM is released, because DPRAM is a premium
3206          * resource.
3207          * This shadow structure keeps a copy of what was done so that the
3208          * allocated resources can be released when the channel is freed.
3209          */
3210         if (!(ugeth->p_init_enet_param_shadow =
3211               kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3212                 if (netif_msg_ifup(ugeth))
3213                         ugeth_err
3214                             ("%s: Can not allocate memory for"
3215                                 " p_UccInitEnetParamShadows.", __func__);
3216                 ucc_geth_memclean(ugeth);
3217                 return -ENOMEM;
3218         }
3219         /* Zero out *p_init_enet_param_shadow */
3220         memset((char *)ugeth->p_init_enet_param_shadow,
3221                0, sizeof(struct ucc_geth_init_pram));
3222
3223         /* Fill shadow InitEnet command parameter structure */
3224
3225         ugeth->p_init_enet_param_shadow->resinit1 =
3226             ENET_INIT_PARAM_MAGIC_RES_INIT1;
3227         ugeth->p_init_enet_param_shadow->resinit2 =
3228             ENET_INIT_PARAM_MAGIC_RES_INIT2;
3229         ugeth->p_init_enet_param_shadow->resinit3 =
3230             ENET_INIT_PARAM_MAGIC_RES_INIT3;
3231         ugeth->p_init_enet_param_shadow->resinit4 =
3232             ENET_INIT_PARAM_MAGIC_RES_INIT4;
3233         ugeth->p_init_enet_param_shadow->resinit5 =
3234             ENET_INIT_PARAM_MAGIC_RES_INIT5;
3235         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3236             ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
3237         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3238             ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
3239
3240         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3241             ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3242         if ((ug_info->largestexternallookupkeysize !=
3243              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
3244             && (ug_info->largestexternallookupkeysize !=
3245                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3246             && (ug_info->largestexternallookupkeysize !=
3247                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3248                 if (netif_msg_ifup(ugeth))
3249                         ugeth_err("%s: Invalid largest External Lookup Key Size.",
3250                                   __func__);
3251                 ucc_geth_memclean(ugeth);
3252                 return -EINVAL;
3253         }
3254         ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3255             ug_info->largestexternallookupkeysize;
3256         size = sizeof(struct ucc_geth_thread_rx_pram);
3257         if (ug_info->rxExtendedFiltering) {
3258                 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3259                 if (ug_info->largestexternallookupkeysize ==
3260                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3261                         size +=
3262                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3263                 if (ug_info->largestexternallookupkeysize ==
3264                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3265                         size +=
3266                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3267         }
3268
3269         if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3270                 p_init_enet_param_shadow->rxthread[0]),
3271                 (u8) (numThreadsRxNumerical + 1)
3272                 /* Rx needs one extra for terminator */
3273                 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3274                 ug_info->riscRx, 1)) != 0) {
3275                 if (netif_msg_ifup(ugeth))
3276                                 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3277                                         __func__);
3278                 ucc_geth_memclean(ugeth);
3279                 return ret_val;
3280         }
3281
3282         ugeth->p_init_enet_param_shadow->txglobal =
3283             ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3284         if ((ret_val =
3285              fill_init_enet_entries(ugeth,
3286                                     &(ugeth->p_init_enet_param_shadow->
3287                                       txthread[0]), numThreadsTxNumerical,
3288                                     sizeof(struct ucc_geth_thread_tx_pram),
3289                                     UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3290                                     ug_info->riscTx, 0)) != 0) {
3291                 if (netif_msg_ifup(ugeth))
3292                         ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3293                                   __func__);
3294                 ucc_geth_memclean(ugeth);
3295                 return ret_val;
3296         }
3297
3298         /* Load Rx bds with buffers */
3299         for (i = 0; i < ug_info->numQueuesRx; i++) {
3300                 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3301                         if (netif_msg_ifup(ugeth))
3302                                 ugeth_err("%s: Can not fill Rx bds with buffers.",
3303                                           __func__);
3304                         ucc_geth_memclean(ugeth);
3305                         return ret_val;
3306                 }
3307         }
3308
3309         /* Allocate InitEnet command parameter structure */
3310         init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3311         if (IS_ERR_VALUE(init_enet_pram_offset)) {
3312                 if (netif_msg_ifup(ugeth))
3313                         ugeth_err
3314                             ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3315                              __func__);
3316                 ucc_geth_memclean(ugeth);
3317                 return -ENOMEM;
3318         }
3319         p_init_enet_pram =
3320             (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3321
3322         /* Copy shadow InitEnet command parameter structure into PRAM */
3323         out_8(&p_init_enet_pram->resinit1,
3324                         ugeth->p_init_enet_param_shadow->resinit1);
3325         out_8(&p_init_enet_pram->resinit2,
3326                         ugeth->p_init_enet_param_shadow->resinit2);
3327         out_8(&p_init_enet_pram->resinit3,
3328                         ugeth->p_init_enet_param_shadow->resinit3);
3329         out_8(&p_init_enet_pram->resinit4,
3330                         ugeth->p_init_enet_param_shadow->resinit4);
3331         out_be16(&p_init_enet_pram->resinit5,
3332                  ugeth->p_init_enet_param_shadow->resinit5);
3333         out_8(&p_init_enet_pram->largestexternallookupkeysize,
3334             ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3335         out_be32(&p_init_enet_pram->rgftgfrxglobal,
3336                  ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3337         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3338                 out_be32(&p_init_enet_pram->rxthread[i],
3339                          ugeth->p_init_enet_param_shadow->rxthread[i]);
3340         out_be32(&p_init_enet_pram->txglobal,
3341                  ugeth->p_init_enet_param_shadow->txglobal);
3342         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3343                 out_be32(&p_init_enet_pram->txthread[i],
3344                          ugeth->p_init_enet_param_shadow->txthread[i]);
3345
3346         /* Issue QE command */
3347         cecr_subblock =
3348             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3349         qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3350                      init_enet_pram_offset);
3351
3352         /* Free InitEnet command parameter */
3353         qe_muram_free(init_enet_pram_offset);
3354
3355         return 0;
3356 }
3357
3358 static int ucc_geth_close(struct net_device *dev);
3359 static int ucc_geth_open(struct net_device *dev);
3360
3361 /* Reopen device. This will reset the MAC and PHY. */
3362 static void ucc_geth_timeout_work(struct work_struct *work)
3363 {
3364         struct ucc_geth_private *ugeth;
3365         struct net_device *dev;
3366
3367         ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3368         dev = ugeth->dev;
3369
3370         ugeth_vdbg("%s: IN", __func__);
3371
3372         dev->stats.tx_errors++;
3373
3374         ugeth_dump_regs(ugeth);
3375
3376         if (dev->flags & IFF_UP) {
3377                 /*
3378                  * Must reset MAC *and* PHY. This is done by reopening
3379                  * the device.
3380                  */
3381                 ucc_geth_close(dev);
3382                 ucc_geth_open(dev);
3383         }
3384
3385         netif_tx_schedule_all(dev);
3386 }
3387
3388 /*
3389  * ucc_geth_timeout gets called when a packet has not been
3390  * transmitted after a set amount of time.
3391  */
3392 static void ucc_geth_timeout(struct net_device *dev)
3393 {
3394         struct ucc_geth_private *ugeth = netdev_priv(dev);
3395
3396         netif_carrier_off(dev);
3397         schedule_work(&ugeth->timeout_work);
3398 }
3399
3400 /* This is called by the kernel when a frame is ready for transmission. */
3401 /* It is pointed to by the dev->hard_start_xmit function pointer */
3402 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3403 {
3404         struct ucc_geth_private *ugeth = netdev_priv(dev);
3405 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3406         struct ucc_fast_private *uccf;
3407 #endif
3408         u8 __iomem *bd;                 /* BD pointer */
3409         u32 bd_status;
3410         u8 txQ = 0;
3411
3412         ugeth_vdbg("%s: IN", __func__);
3413
3414         spin_lock_irq(&ugeth->lock);
3415
3416         dev->stats.tx_bytes += skb->len;
3417
3418         /* Start from the next BD that should be filled */
3419         bd = ugeth->txBd[txQ];
3420         bd_status = in_be32((u32 __iomem *)bd);
3421         /* Save the skb pointer so we can free it later */
3422         ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3423
3424         /* Update the current skb pointer (wrapping if this was the last) */
3425         ugeth->skb_curtx[txQ] =
3426             (ugeth->skb_curtx[txQ] +
3427              1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3428
3429         /* set up the buffer descriptor */
3430         out_be32(&((struct qe_bd __iomem *)bd)->buf,
3431                       dma_map_single(&ugeth->dev->dev, skb->data,
3432                               skb->len, DMA_TO_DEVICE));
3433
3434         /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3435
3436         bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3437
3438         /* set bd status and length */
3439         out_be32((u32 __iomem *)bd, bd_status);
3440
3441         dev->trans_start = jiffies;
3442
3443         /* Move to next BD in the ring */
3444         if (!(bd_status & T_W))
3445                 bd += sizeof(struct qe_bd);
3446         else
3447                 bd = ugeth->p_tx_bd_ring[txQ];
3448
3449         /* If the next BD still needs to be cleaned up, then the bds
3450            are full.  We need to tell the kernel to stop sending us stuff. */
3451         if (bd == ugeth->confBd[txQ]) {
3452                 if (!netif_queue_stopped(dev))
3453                         netif_stop_queue(dev);
3454         }
3455
3456         ugeth->txBd[txQ] = bd;
3457
3458         if (ugeth->p_scheduler) {
3459                 ugeth->cpucount[txQ]++;
3460                 /* Indicate to QE that there are more Tx bds ready for
3461                 transmission */
3462                 /* This is done by writing a running counter of the bd
3463                 count to the scheduler PRAM. */
3464                 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3465         }
3466
3467 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3468         uccf = ugeth->uccf;
3469         out_be16(uccf->p_utodr, UCC_FAST_TOD);
3470 #endif
3471         spin_unlock_irq(&ugeth->lock);
3472
3473         return 0;
3474 }
3475
3476 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3477 {
3478         struct sk_buff *skb;
3479         u8 __iomem *bd;
3480         u16 length, howmany = 0;
3481         u32 bd_status;
3482         u8 *bdBuffer;
3483         struct net_device *dev;
3484
3485         ugeth_vdbg("%s: IN", __func__);
3486
3487         dev = ugeth->dev;
3488
3489         /* collect received buffers */
3490         bd = ugeth->rxBd[rxQ];
3491
3492         bd_status = in_be32((u32 __iomem *)bd);
3493
3494         /* while there are received buffers and BD is full (~R_E) */
3495         while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3496                 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3497                 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3498                 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3499
3500                 /* determine whether buffer is first, last, first and last
3501                 (single buffer frame) or middle (not first and not last) */
3502                 if (!skb ||
3503                     (!(bd_status & (R_F | R_L))) ||
3504                     (bd_status & R_ERRORS_FATAL)) {
3505                         if (netif_msg_rx_err(ugeth))
3506                                 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3507                                            __func__, __LINE__, (u32) skb);
3508                         if (skb)
3509                                 dev_kfree_skb_any(skb);
3510
3511                         ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3512                         dev->stats.rx_dropped++;
3513                 } else {
3514                         dev->stats.rx_packets++;
3515                         howmany++;
3516
3517                         /* Prep the skb for the packet */
3518                         skb_put(skb, length);
3519
3520                         /* Tell the skb what kind of packet this is */
3521                         skb->protocol = eth_type_trans(skb, ugeth->dev);
3522
3523                         dev->stats.rx_bytes += length;
3524                         /* Send the packet up the stack */
3525                         netif_receive_skb(skb);
3526                 }
3527
3528                 skb = get_new_skb(ugeth, bd);
3529                 if (!skb) {
3530                         if (netif_msg_rx_err(ugeth))
3531                                 ugeth_warn("%s: No Rx Data Buffer", __func__);
3532                         dev->stats.rx_dropped++;
3533                         break;
3534                 }
3535
3536                 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3537
3538                 /* update to point at the next skb */
3539                 ugeth->skb_currx[rxQ] =
3540                     (ugeth->skb_currx[rxQ] +
3541                      1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3542
3543                 if (bd_status & R_W)
3544                         bd = ugeth->p_rx_bd_ring[rxQ];
3545                 else
3546                         bd += sizeof(struct qe_bd);
3547
3548                 bd_status = in_be32((u32 __iomem *)bd);
3549         }
3550
3551         ugeth->rxBd[rxQ] = bd;
3552         return howmany;
3553 }
3554
3555 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3556 {
3557         /* Start from the next BD that should be filled */
3558         struct ucc_geth_private *ugeth = netdev_priv(dev);
3559         u8 __iomem *bd;         /* BD pointer */
3560         u32 bd_status;
3561
3562         bd = ugeth->confBd[txQ];
3563         bd_status = in_be32((u32 __iomem *)bd);
3564
3565         /* Normal processing. */
3566         while ((bd_status & T_R) == 0) {
3567                 /* BD contains already transmitted buffer.   */
3568                 /* Handle the transmitted buffer and release */
3569                 /* the BD to be used with the current frame  */
3570
3571                 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3572                         break;
3573
3574                 dev->stats.tx_packets++;
3575
3576                 /* Free the sk buffer associated with this TxBD */
3577                 dev_kfree_skb_irq(ugeth->
3578                                   tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3579                 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3580                 ugeth->skb_dirtytx[txQ] =
3581                     (ugeth->skb_dirtytx[txQ] +
3582                      1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3583
3584                 /* We freed a buffer, so now we can restart transmission */
3585                 if (netif_queue_stopped(dev))
3586                         netif_wake_queue(dev);
3587
3588                 /* Advance the confirmation BD pointer */
3589                 if (!(bd_status & T_W))
3590                         bd += sizeof(struct qe_bd);
3591                 else
3592                         bd = ugeth->p_tx_bd_ring[txQ];
3593                 bd_status = in_be32((u32 __iomem *)bd);
3594         }
3595         ugeth->confBd[txQ] = bd;
3596         return 0;
3597 }
3598
3599 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3600 {
3601         struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3602         struct net_device *dev = ugeth->dev;
3603         struct ucc_geth_info *ug_info;
3604         int howmany, i;
3605
3606         ug_info = ugeth->ug_info;
3607
3608         howmany = 0;
3609         for (i = 0; i < ug_info->numQueuesRx; i++)
3610                 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3611
3612         if (howmany < budget) {
3613                 struct ucc_fast_private *uccf;
3614                 u32 uccm;
3615
3616                 netif_rx_complete(dev, napi);
3617                 uccf = ugeth->uccf;
3618                 uccm = in_be32(uccf->p_uccm);
3619                 uccm |= UCCE_RX_EVENTS;
3620                 out_be32(uccf->p_uccm, uccm);
3621         }
3622
3623         return howmany;
3624 }
3625
3626 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3627 {
3628         struct net_device *dev = info;
3629         struct ucc_geth_private *ugeth = netdev_priv(dev);
3630         struct ucc_fast_private *uccf;
3631         struct ucc_geth_info *ug_info;
3632         register u32 ucce;
3633         register u32 uccm;
3634         register u32 tx_mask;
3635         u8 i;
3636
3637         ugeth_vdbg("%s: IN", __func__);
3638
3639         uccf = ugeth->uccf;
3640         ug_info = ugeth->ug_info;
3641
3642         /* read and clear events */
3643         ucce = (u32) in_be32(uccf->p_ucce);
3644         uccm = (u32) in_be32(uccf->p_uccm);
3645         ucce &= uccm;
3646         out_be32(uccf->p_ucce, ucce);
3647
3648         /* check for receive events that require processing */
3649         if (ucce & UCCE_RX_EVENTS) {
3650                 if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
3651                         uccm &= ~UCCE_RX_EVENTS;
3652                         out_be32(uccf->p_uccm, uccm);
3653                         __netif_rx_schedule(dev, &ugeth->napi);
3654                 }
3655         }
3656
3657         /* Tx event processing */
3658         if (ucce & UCCE_TX_EVENTS) {
3659                 spin_lock(&ugeth->lock);
3660                 tx_mask = UCCE_TXBF_SINGLE_MASK;
3661                 for (i = 0; i < ug_info->numQueuesTx; i++) {
3662                         if (ucce & tx_mask)
3663                                 ucc_geth_tx(dev, i);
3664                         ucce &= ~tx_mask;
3665                         tx_mask <<= 1;
3666                 }
3667                 spin_unlock(&ugeth->lock);
3668         }
3669
3670         /* Errors and other events */
3671         if (ucce & UCCE_OTHER) {
3672                 if (ucce & UCCE_BSY) {
3673                         dev->stats.rx_errors++;
3674                 }
3675                 if (ucce & UCCE_TXE) {
3676                         dev->stats.tx_errors++;
3677                 }
3678         }
3679
3680         return IRQ_HANDLED;
3681 }
3682
3683 #ifdef CONFIG_NET_POLL_CONTROLLER
3684 /*
3685  * Polling 'interrupt' - used by things like netconsole to send skbs
3686  * without having to re-enable interrupts. It's not called while
3687  * the interrupt routine is executing.
3688  */
3689 static void ucc_netpoll(struct net_device *dev)
3690 {
3691         struct ucc_geth_private *ugeth = netdev_priv(dev);
3692         int irq = ugeth->ug_info->uf_info.irq;
3693
3694         disable_irq(irq);
3695         ucc_geth_irq_handler(irq, dev);
3696         enable_irq(irq);
3697 }
3698 #endif /* CONFIG_NET_POLL_CONTROLLER */
3699
3700 /* Called when something needs to use the ethernet device */
3701 /* Returns 0 for success. */
3702 static int ucc_geth_open(struct net_device *dev)
3703 {
3704         struct ucc_geth_private *ugeth = netdev_priv(dev);
3705         int err;
3706
3707         ugeth_vdbg("%s: IN", __func__);
3708
3709         /* Test station address */
3710         if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3711                 if (netif_msg_ifup(ugeth))
3712                         ugeth_err("%s: Multicast address used for station address"
3713                                   " - is this what you wanted?", __func__);
3714                 return -EINVAL;
3715         }
3716
3717         err = ucc_struct_init(ugeth);
3718         if (err) {
3719                 if (netif_msg_ifup(ugeth))
3720                         ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3721                 return err;
3722         }
3723
3724         napi_enable(&ugeth->napi);
3725
3726         err = ucc_geth_startup(ugeth);
3727         if (err) {
3728                 if (netif_msg_ifup(ugeth))
3729                         ugeth_err("%s: Cannot configure net device, aborting.",
3730                                   dev->name);
3731                 goto out_err;
3732         }
3733
3734         err = adjust_enet_interface(ugeth);
3735         if (err) {
3736                 if (netif_msg_ifup(ugeth))
3737                         ugeth_err("%s: Cannot configure net device, aborting.",
3738                                   dev->name);
3739                 goto out_err;
3740         }
3741
3742         /*       Set MACSTNADDR1, MACSTNADDR2                */
3743         /* For more details see the hardware spec.           */
3744         init_mac_station_addr_regs(dev->dev_addr[0],
3745                                    dev->dev_addr[1],
3746                                    dev->dev_addr[2],
3747                                    dev->dev_addr[3],
3748                                    dev->dev_addr[4],
3749                                    dev->dev_addr[5],
3750                                    &ugeth->ug_regs->macstnaddr1,
3751                                    &ugeth->ug_regs->macstnaddr2);
3752
3753         err = init_phy(dev);
3754         if (err) {
3755                 if (netif_msg_ifup(ugeth))
3756                         ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
3757                 goto out_err;
3758         }
3759
3760         phy_start(ugeth->phydev);
3761
3762         err =
3763             request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, 0,
3764                         "UCC Geth", dev);
3765         if (err) {
3766                 if (netif_msg_ifup(ugeth))
3767                         ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3768                                   dev->name);
3769                 ucc_geth_stop(ugeth);
3770                 goto out_err;
3771         }
3772
3773         err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3774         if (err) {
3775                 if (netif_msg_ifup(ugeth))
3776                         ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
3777                 ucc_geth_stop(ugeth);
3778                 goto out_err;
3779         }
3780
3781         netif_start_queue(dev);
3782
3783         return err;
3784
3785 out_err:
3786         napi_disable(&ugeth->napi);
3787
3788         return err;
3789 }
3790
3791 /* Stops the kernel queue, and halts the controller */
3792 static int ucc_geth_close(struct net_device *dev)
3793 {
3794         struct ucc_geth_private *ugeth = netdev_priv(dev);
3795
3796         ugeth_vdbg("%s: IN", __func__);
3797
3798         napi_disable(&ugeth->napi);
3799
3800         ucc_geth_stop(ugeth);
3801
3802         phy_disconnect(ugeth->phydev);
3803         ugeth->phydev = NULL;
3804
3805         netif_stop_queue(dev);
3806
3807         return 0;
3808 }
3809
3810 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3811 {
3812         if (strcasecmp(phy_connection_type, "mii") == 0)
3813                 return PHY_INTERFACE_MODE_MII;
3814         if (strcasecmp(phy_connection_type, "gmii") == 0)
3815                 return PHY_INTERFACE_MODE_GMII;
3816         if (strcasecmp(phy_connection_type, "tbi") == 0)
3817                 return PHY_INTERFACE_MODE_TBI;
3818         if (strcasecmp(phy_connection_type, "rmii") == 0)
3819                 return PHY_INTERFACE_MODE_RMII;
3820         if (strcasecmp(phy_connection_type, "rgmii") == 0)
3821                 return PHY_INTERFACE_MODE_RGMII;
3822         if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3823                 return PHY_INTERFACE_MODE_RGMII_ID;
3824         if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3825                 return PHY_INTERFACE_MODE_RGMII_TXID;
3826         if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3827                 return PHY_INTERFACE_MODE_RGMII_RXID;
3828         if (strcasecmp(phy_connection_type, "rtbi") == 0)
3829                 return PHY_INTERFACE_MODE_RTBI;
3830
3831         return PHY_INTERFACE_MODE_MII;
3832 }
3833
3834 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3835 {
3836         struct device *device = &ofdev->dev;
3837         struct device_node *np = ofdev->node;
3838         struct device_node *mdio;
3839         struct net_device *dev = NULL;
3840         struct ucc_geth_private *ugeth = NULL;
3841         struct ucc_geth_info *ug_info;
3842         struct resource res;
3843         struct device_node *phy;
3844         int err, ucc_num, max_speed = 0;
3845         const phandle *ph;
3846         const u32 *fixed_link;
3847         const unsigned int *prop;
3848         const char *sprop;
3849         const void *mac_addr;
3850         phy_interface_t phy_interface;
3851         static const int enet_to_speed[] = {
3852                 SPEED_10, SPEED_10, SPEED_10,
3853                 SPEED_100, SPEED_100, SPEED_100,
3854                 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3855         };
3856         static const phy_interface_t enet_to_phy_interface[] = {
3857                 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3858                 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3859                 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3860                 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3861                 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3862         };
3863
3864         ugeth_vdbg("%s: IN", __func__);
3865
3866         prop = of_get_property(np, "cell-index", NULL);
3867         if (!prop) {
3868                 prop = of_get_property(np, "device-id", NULL);
3869                 if (!prop)
3870                         return -ENODEV;
3871         }
3872
3873         ucc_num = *prop - 1;
3874         if ((ucc_num < 0) || (ucc_num > 7))
3875                 return -ENODEV;
3876
3877         ug_info = &ugeth_info[ucc_num];
3878         if (ug_info == NULL) {
3879                 if (netif_msg_probe(&debug))
3880                         ugeth_err("%s: [%d] Missing additional data!",
3881                                         __func__, ucc_num);
3882                 return -ENODEV;
3883         }
3884
3885         ug_info->uf_info.ucc_num = ucc_num;
3886
3887         sprop = of_get_property(np, "rx-clock-name", NULL);
3888         if (sprop) {
3889                 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3890                 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3891                     (ug_info->uf_info.rx_clock > QE_CLK24)) {
3892                         printk(KERN_ERR
3893                                 "ucc_geth: invalid rx-clock-name property\n");
3894                         return -EINVAL;
3895                 }
3896         } else {
3897                 prop = of_get_property(np, "rx-clock", NULL);
3898                 if (!prop) {
3899                         /* If both rx-clock-name and rx-clock are missing,
3900                            we want to tell people to use rx-clock-name. */
3901                         printk(KERN_ERR
3902                                 "ucc_geth: missing rx-clock-name property\n");
3903                         return -EINVAL;
3904                 }
3905                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3906                         printk(KERN_ERR
3907                                 "ucc_geth: invalid rx-clock propperty\n");
3908                         return -EINVAL;
3909                 }
3910                 ug_info->uf_info.rx_clock = *prop;
3911         }
3912
3913         sprop = of_get_property(np, "tx-clock-name", NULL);
3914         if (sprop) {
3915                 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3916                 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3917                     (ug_info->uf_info.tx_clock > QE_CLK24)) {
3918                         printk(KERN_ERR
3919                                 "ucc_geth: invalid tx-clock-name property\n");
3920                         return -EINVAL;
3921                 }
3922         } else {
3923                 prop = of_get_property(np, "tx-clock", NULL);
3924                 if (!prop) {
3925                         printk(KERN_ERR
3926                                 "ucc_geth: mising tx-clock-name property\n");
3927                         return -EINVAL;
3928                 }
3929                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3930                         printk(KERN_ERR
3931                                 "ucc_geth: invalid tx-clock property\n");
3932                         return -EINVAL;
3933                 }
3934                 ug_info->uf_info.tx_clock = *prop;
3935         }
3936
3937         err = of_address_to_resource(np, 0, &res);
3938         if (err)
3939                 return -EINVAL;
3940
3941         ug_info->uf_info.regs = res.start;
3942         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3943         fixed_link = of_get_property(np, "fixed-link", NULL);
3944         if (fixed_link) {
3945                 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3946                 ug_info->phy_address = fixed_link[0];
3947                 phy = NULL;
3948         } else {
3949                 ph = of_get_property(np, "phy-handle", NULL);
3950                 phy = of_find_node_by_phandle(*ph);
3951
3952                 if (phy == NULL)
3953                         return -ENODEV;
3954
3955                 /* set the PHY address */
3956                 prop = of_get_property(phy, "reg", NULL);
3957                 if (prop == NULL)
3958                         return -1;
3959                 ug_info->phy_address = *prop;
3960
3961                 /* Set the bus id */
3962                 mdio = of_get_parent(phy);
3963
3964                 if (mdio == NULL)
3965                         return -1;
3966
3967                 err = of_address_to_resource(mdio, 0, &res);
3968                 of_node_put(mdio);
3969
3970                 if (err)
3971                         return -1;
3972
3973                 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3974         }
3975
3976         /* get the phy interface type, or default to MII */
3977         prop = of_get_property(np, "phy-connection-type", NULL);
3978         if (!prop) {
3979                 /* handle interface property present in old trees */
3980                 prop = of_get_property(phy, "interface", NULL);
3981                 if (prop != NULL) {
3982                         phy_interface = enet_to_phy_interface[*prop];
3983                         max_speed = enet_to_speed[*prop];
3984                 } else
3985                         phy_interface = PHY_INTERFACE_MODE_MII;
3986         } else {
3987                 phy_interface = to_phy_interface((const char *)prop);
3988         }
3989
3990         /* get speed, or derive from PHY interface */
3991         if (max_speed == 0)
3992                 switch (phy_interface) {
3993                 case PHY_INTERFACE_MODE_GMII:
3994                 case PHY_INTERFACE_MODE_RGMII:
3995                 case PHY_INTERFACE_MODE_RGMII_ID:
3996                 case PHY_INTERFACE_MODE_RGMII_RXID:
3997                 case PHY_INTERFACE_MODE_RGMII_TXID:
3998                 case PHY_INTERFACE_MODE_TBI:
3999                 case PHY_INTERFACE_MODE_RTBI:
4000                         max_speed = SPEED_1000;
4001                         break;
4002                 default:
4003                         max_speed = SPEED_100;
4004                         break;
4005                 }
4006
4007         if (max_speed == SPEED_1000) {
4008                 /* configure muram FIFOs for gigabit operation */
4009                 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
4010                 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
4011                 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
4012                 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
4013                 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
4014                 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
4015                 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
4016                 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
4017         }
4018
4019         if (netif_msg_probe(&debug))
4020                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
4021                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
4022                         ug_info->uf_info.irq);
4023
4024         /* Create an ethernet device instance */
4025         dev = alloc_etherdev(sizeof(*ugeth));
4026
4027         if (dev == NULL)
4028                 return -ENOMEM;
4029
4030         ugeth = netdev_priv(dev);
4031         spin_lock_init(&ugeth->lock);
4032
4033         /* Create CQs for hash tables */
4034         INIT_LIST_HEAD(&ugeth->group_hash_q);
4035         INIT_LIST_HEAD(&ugeth->ind_hash_q);
4036
4037         dev_set_drvdata(device, dev);
4038
4039         /* Set the dev->base_addr to the gfar reg region */
4040         dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
4041
4042         SET_NETDEV_DEV(dev, device);
4043
4044         /* Fill in the dev structure */
4045         uec_set_ethtool_ops(dev);
4046         dev->open = ucc_geth_open;
4047         dev->hard_start_xmit = ucc_geth_start_xmit;
4048         dev->tx_timeout = ucc_geth_timeout;
4049         dev->watchdog_timeo = TX_TIMEOUT;
4050         INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
4051         netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
4052 #ifdef CONFIG_NET_POLL_CONTROLLER
4053         dev->poll_controller = ucc_netpoll;
4054 #endif
4055         dev->stop = ucc_geth_close;
4056 //    dev->change_mtu = ucc_geth_change_mtu;
4057         dev->mtu = 1500;
4058         dev->set_multicast_list = ucc_geth_set_multi;
4059
4060         ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
4061         ugeth->phy_interface = phy_interface;
4062         ugeth->max_speed = max_speed;
4063
4064         err = register_netdev(dev);
4065         if (err) {
4066                 if (netif_msg_probe(ugeth))
4067                         ugeth_err("%s: Cannot register net device, aborting.",
4068                                   dev->name);
4069                 free_netdev(dev);
4070                 return err;
4071         }
4072
4073         mac_addr = of_get_mac_address(np);
4074         if (mac_addr)
4075                 memcpy(dev->dev_addr, mac_addr, 6);
4076
4077         ugeth->ug_info = ug_info;
4078         ugeth->dev = dev;
4079
4080         return 0;
4081 }
4082
4083 static int ucc_geth_remove(struct of_device* ofdev)
4084 {
4085         struct device *device = &ofdev->dev;
4086         struct net_device *dev = dev_get_drvdata(device);
4087         struct ucc_geth_private *ugeth = netdev_priv(dev);
4088
4089         unregister_netdev(dev);
4090         free_netdev(dev);
4091         ucc_geth_memclean(ugeth);
4092         dev_set_drvdata(device, NULL);
4093
4094         return 0;
4095 }
4096
4097 static struct of_device_id ucc_geth_match[] = {
4098         {
4099                 .type = "network",
4100                 .compatible = "ucc_geth",
4101         },
4102         {},
4103 };
4104
4105 MODULE_DEVICE_TABLE(of, ucc_geth_match);
4106
4107 static struct of_platform_driver ucc_geth_driver = {
4108         .name           = DRV_NAME,
4109         .match_table    = ucc_geth_match,
4110         .probe          = ucc_geth_probe,
4111         .remove         = ucc_geth_remove,
4112 };
4113
4114 static int __init ucc_geth_init(void)
4115 {
4116         int i, ret;
4117
4118         ret = uec_mdio_init();
4119
4120         if (ret)
4121                 return ret;
4122
4123         if (netif_msg_drv(&debug))
4124                 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4125         for (i = 0; i < 8; i++)
4126                 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4127                        sizeof(ugeth_primary_info));
4128
4129         ret = of_register_platform_driver(&ucc_geth_driver);
4130
4131         if (ret)
4132                 uec_mdio_exit();
4133
4134         return ret;
4135 }
4136
4137 static void __exit ucc_geth_exit(void)
4138 {
4139         of_unregister_platform_driver(&ucc_geth_driver);
4140         uec_mdio_exit();
4141 }
4142
4143 module_init(ucc_geth_init);
4144 module_exit(ucc_geth_exit);
4145
4146 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4147 MODULE_DESCRIPTION(DRV_DESC);
4148 MODULE_VERSION(DRV_VERSION);
4149 MODULE_LICENSE("GPL");