rndis_wlan: cleanup: rename and remove local pointers
[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
32 #include <asm/of_platform.h>
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                           __FUNCTION__);
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.", __FUNCTION__);
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.", __FUNCTION__);
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", __FUNCTION__);
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                              __FUNCTION__);
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                         netif_schedule(dev);
1592                 }
1593         } else if (ugeth->oldlink) {
1594                         new_state = 1;
1595                         ugeth->oldlink = 0;
1596                         ugeth->oldspeed = 0;
1597                         ugeth->oldduplex = -1;
1598         }
1599
1600         if (new_state && netif_msg_link(ugeth))
1601                 phy_print_status(phydev);
1602
1603         spin_unlock_irqrestore(&ugeth->lock, flags);
1604 }
1605
1606 /* Configure the PHY for dev.
1607  * returns 0 if success.  -1 if failure
1608  */
1609 static int init_phy(struct net_device *dev)
1610 {
1611         struct ucc_geth_private *priv = netdev_priv(dev);
1612         struct phy_device *phydev;
1613         char phy_id[BUS_ID_SIZE];
1614
1615         priv->oldlink = 0;
1616         priv->oldspeed = 0;
1617         priv->oldduplex = -1;
1618
1619         snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->ug_info->mdio_bus,
1620                         priv->ug_info->phy_address);
1621
1622         phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
1623
1624         if (IS_ERR(phydev)) {
1625                 printk("%s: Could not attach to PHY\n", dev->name);
1626                 return PTR_ERR(phydev);
1627         }
1628
1629         phydev->supported &= (ADVERTISED_10baseT_Half |
1630                                  ADVERTISED_10baseT_Full |
1631                                  ADVERTISED_100baseT_Half |
1632                                  ADVERTISED_100baseT_Full);
1633
1634         if (priv->max_speed == SPEED_1000)
1635                 phydev->supported |= ADVERTISED_1000baseT_Full;
1636
1637         phydev->advertising = phydev->supported;
1638
1639         priv->phydev = phydev;
1640
1641         return 0;
1642 }
1643
1644
1645
1646 static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
1647 {
1648         struct ucc_fast_private *uccf;
1649         u32 cecr_subblock;
1650         u32 temp;
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                 temp = in_be32(uccf->p_ucce);
1669         } while (!(temp & UCCE_GRA));
1670
1671         uccf->stopped_tx = 1;
1672
1673         return 0;
1674 }
1675
1676 static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
1677 {
1678         struct ucc_fast_private *uccf;
1679         u32 cecr_subblock;
1680         u8 temp;
1681
1682         uccf = ugeth->uccf;
1683
1684         /* Clear acknowledge bit */
1685         temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1686         temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
1687         out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
1688
1689         /* Keep issuing command and checking acknowledge bit until
1690         it is asserted, according to spec */
1691         do {
1692                 /* Issue host command */
1693                 cecr_subblock =
1694                     ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1695                                                 ucc_num);
1696                 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
1697                              QE_CR_PROTOCOL_ETHERNET, 0);
1698
1699                 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
1700         } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX));
1701
1702         uccf->stopped_rx = 1;
1703
1704         return 0;
1705 }
1706
1707 static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
1708 {
1709         struct ucc_fast_private *uccf;
1710         u32 cecr_subblock;
1711
1712         uccf = ugeth->uccf;
1713
1714         cecr_subblock =
1715             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1716         qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
1717         uccf->stopped_tx = 0;
1718
1719         return 0;
1720 }
1721
1722 static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
1723 {
1724         struct ucc_fast_private *uccf;
1725         u32 cecr_subblock;
1726
1727         uccf = ugeth->uccf;
1728
1729         cecr_subblock =
1730             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1731         qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
1732                      0);
1733         uccf->stopped_rx = 0;
1734
1735         return 0;
1736 }
1737
1738 static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
1739 {
1740         struct ucc_fast_private *uccf;
1741         int enabled_tx, enabled_rx;
1742
1743         uccf = ugeth->uccf;
1744
1745         /* check if the UCC number is in range. */
1746         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1747                 if (netif_msg_probe(ugeth))
1748                         ugeth_err("%s: ucc_num out of range.", __FUNCTION__);
1749                 return -EINVAL;
1750         }
1751
1752         enabled_tx = uccf->enabled_tx;
1753         enabled_rx = uccf->enabled_rx;
1754
1755         /* Get Tx and Rx going again, in case this channel was actively
1756         disabled. */
1757         if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1758                 ugeth_restart_tx(ugeth);
1759         if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1760                 ugeth_restart_rx(ugeth);
1761
1762         ucc_fast_enable(uccf, mode);    /* OK to do even if not disabled */
1763
1764         return 0;
1765
1766 }
1767
1768 static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
1769 {
1770         struct ucc_fast_private *uccf;
1771
1772         uccf = ugeth->uccf;
1773
1774         /* check if the UCC number is in range. */
1775         if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
1776                 if (netif_msg_probe(ugeth))
1777                         ugeth_err("%s: ucc_num out of range.", __FUNCTION__);
1778                 return -EINVAL;
1779         }
1780
1781         /* Stop any transmissions */
1782         if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1783                 ugeth_graceful_stop_tx(ugeth);
1784
1785         /* Stop any receptions */
1786         if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1787                 ugeth_graceful_stop_rx(ugeth);
1788
1789         ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1790
1791         return 0;
1792 }
1793
1794 static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
1795 {
1796 #ifdef DEBUG
1797         ucc_fast_dump_regs(ugeth->uccf);
1798         dump_regs(ugeth);
1799         dump_bds(ugeth);
1800 #endif
1801 }
1802
1803 #ifdef CONFIG_UGETH_FILTERING
1804 static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params *
1805                                              p_UccGethTadParams,
1806                                              struct qe_fltr_tad *qe_fltr_tad)
1807 {
1808         u16 temp;
1809
1810         /* Zero serialized TAD */
1811         memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE);
1812
1813         qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V;   /* Must have this */
1814         if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode ||
1815             (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
1816             || (p_UccGethTadParams->vnontag_op !=
1817                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP)
1818             )
1819                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF;
1820         if (p_UccGethTadParams->reject_frame)
1821                 qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ;
1822         temp =
1823             (u16) (((u16) p_UccGethTadParams->
1824                     vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT);
1825         qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */
1826
1827         qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff);     /* lower bits */
1828         if (p_UccGethTadParams->vnontag_op ==
1829             UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT)
1830                 qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP;
1831         qe_fltr_tad->serialized[1] |=
1832             p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT;
1833
1834         qe_fltr_tad->serialized[2] |=
1835             p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT;
1836         /* upper bits */
1837         qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8);
1838         /* lower bits */
1839         qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff);
1840
1841         return 0;
1842 }
1843
1844 static struct enet_addr_container_t
1845     *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth,
1846                                                  struct enet_addr *p_enet_addr)
1847 {
1848         struct enet_addr_container *enet_addr_cont;
1849         struct list_head *p_lh;
1850         u16 i, num;
1851         int32_t j;
1852         u8 *p_counter;
1853
1854         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1855                 p_lh = &ugeth->group_hash_q;
1856                 p_counter = &(ugeth->numGroupAddrInHash);
1857         } else {
1858                 p_lh = &ugeth->ind_hash_q;
1859                 p_counter = &(ugeth->numIndAddrInHash);
1860         }
1861
1862         if (!p_lh)
1863                 return NULL;
1864
1865         num = *p_counter;
1866
1867         for (i = 0; i < num; i++) {
1868                 enet_addr_cont =
1869                     (struct enet_addr_container *)
1870                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1871                 for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) {
1872                         if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j])
1873                                 break;
1874                         if (j == 0)
1875                                 return enet_addr_cont;  /* Found */
1876                 }
1877                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1878         }
1879         return NULL;
1880 }
1881
1882 static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth,
1883                                                  struct enet_addr *p_enet_addr)
1884 {
1885         enum ucc_geth_enet_address_recognition_location location;
1886         struct enet_addr_container *enet_addr_cont;
1887         struct list_head *p_lh;
1888         u8 i;
1889         u32 limit;
1890         u8 *p_counter;
1891
1892         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1893                 p_lh = &ugeth->group_hash_q;
1894                 limit = ugeth->ug_info->maxGroupAddrInHash;
1895                 location =
1896                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH;
1897                 p_counter = &(ugeth->numGroupAddrInHash);
1898         } else {
1899                 p_lh = &ugeth->ind_hash_q;
1900                 limit = ugeth->ug_info->maxIndAddrInHash;
1901                 location =
1902                     UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH;
1903                 p_counter = &(ugeth->numIndAddrInHash);
1904         }
1905
1906         if ((enet_addr_cont =
1907              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) {
1908                 list_add(p_lh, &enet_addr_cont->node);  /* Put it back */
1909                 return 0;
1910         }
1911         if ((!p_lh) || (!(*p_counter < limit)))
1912                 return -EBUSY;
1913         if (!(enet_addr_cont = get_enet_addr_container()))
1914                 return -ENOMEM;
1915         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
1916                 (enet_addr_cont->address)[i] = (*p_enet_addr)[i];
1917         enet_addr_cont->location = location;
1918         enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1919         ++(*p_counter);
1920
1921         hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1922         return 0;
1923 }
1924
1925 static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth,
1926                                                    struct enet_addr *p_enet_addr)
1927 {
1928         struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt;
1929         struct enet_addr_container *enet_addr_cont;
1930         struct ucc_fast_private *uccf;
1931         enum comm_dir comm_dir;
1932         u16 i, num;
1933         struct list_head *p_lh;
1934         u32 *addr_h, *addr_l;
1935         u8 *p_counter;
1936
1937         uccf = ugeth->uccf;
1938
1939         p_82xx_addr_filt =
1940             (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram->
1941             addressfiltering;
1942
1943         if (!
1944             (enet_addr_cont =
1945              ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr)))
1946                 return -ENOENT;
1947
1948         /* It's been found and removed from the CQ. */
1949         /* Now destroy its container */
1950         put_enet_addr_container(enet_addr_cont);
1951
1952         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) {
1953                 addr_h = &(p_82xx_addr_filt->gaddr_h);
1954                 addr_l = &(p_82xx_addr_filt->gaddr_l);
1955                 p_lh = &ugeth->group_hash_q;
1956                 p_counter = &(ugeth->numGroupAddrInHash);
1957         } else {
1958                 addr_h = &(p_82xx_addr_filt->iaddr_h);
1959                 addr_l = &(p_82xx_addr_filt->iaddr_l);
1960                 p_lh = &ugeth->ind_hash_q;
1961                 p_counter = &(ugeth->numIndAddrInHash);
1962         }
1963
1964         comm_dir = 0;
1965         if (uccf->enabled_tx)
1966                 comm_dir |= COMM_DIR_TX;
1967         if (uccf->enabled_rx)
1968                 comm_dir |= COMM_DIR_RX;
1969         if (comm_dir)
1970                 ugeth_disable(ugeth, comm_dir);
1971
1972         /* Clear the hash table. */
1973         out_be32(addr_h, 0x00000000);
1974         out_be32(addr_l, 0x00000000);
1975
1976         /* Add all remaining CQ elements back into hash */
1977         num = --(*p_counter);
1978         for (i = 0; i < num; i++) {
1979                 enet_addr_cont =
1980                     (struct enet_addr_container *)
1981                     ENET_ADDR_CONT_ENTRY(dequeue(p_lh));
1982                 hw_add_addr_in_hash(ugeth, enet_addr_cont->address);
1983                 enqueue(p_lh, &enet_addr_cont->node);   /* Put it back */
1984         }
1985
1986         if (comm_dir)
1987                 ugeth_enable(ugeth, comm_dir);
1988
1989         return 0;
1990 }
1991 #endif /* CONFIG_UGETH_FILTERING */
1992
1993 static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
1994                                                        ugeth,
1995                                                        enum enet_addr_type
1996                                                        enet_addr_type)
1997 {
1998         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
1999         struct ucc_fast_private *uccf;
2000         enum comm_dir comm_dir;
2001         struct list_head *p_lh;
2002         u16 i, num;
2003         u32 __iomem *addr_h;
2004         u32 __iomem *addr_l;
2005         u8 *p_counter;
2006
2007         uccf = ugeth->uccf;
2008
2009         p_82xx_addr_filt =
2010             (struct ucc_geth_82xx_address_filtering_pram __iomem *)
2011             ugeth->p_rx_glbl_pram->addressfiltering;
2012
2013         if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
2014                 addr_h = &(p_82xx_addr_filt->gaddr_h);
2015                 addr_l = &(p_82xx_addr_filt->gaddr_l);
2016                 p_lh = &ugeth->group_hash_q;
2017                 p_counter = &(ugeth->numGroupAddrInHash);
2018         } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
2019                 addr_h = &(p_82xx_addr_filt->iaddr_h);
2020                 addr_l = &(p_82xx_addr_filt->iaddr_l);
2021                 p_lh = &ugeth->ind_hash_q;
2022                 p_counter = &(ugeth->numIndAddrInHash);
2023         } else
2024                 return -EINVAL;
2025
2026         comm_dir = 0;
2027         if (uccf->enabled_tx)
2028                 comm_dir |= COMM_DIR_TX;
2029         if (uccf->enabled_rx)
2030                 comm_dir |= COMM_DIR_RX;
2031         if (comm_dir)
2032                 ugeth_disable(ugeth, comm_dir);
2033
2034         /* Clear the hash table. */
2035         out_be32(addr_h, 0x00000000);
2036         out_be32(addr_l, 0x00000000);
2037
2038         if (!p_lh)
2039                 return 0;
2040
2041         num = *p_counter;
2042
2043         /* Delete all remaining CQ elements */
2044         for (i = 0; i < num; i++)
2045                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
2046
2047         *p_counter = 0;
2048
2049         if (comm_dir)
2050                 ugeth_enable(ugeth, comm_dir);
2051
2052         return 0;
2053 }
2054
2055 #ifdef CONFIG_UGETH_FILTERING
2056 static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth,
2057                                                   struct enet_addr *p_enet_addr,
2058                                                   u8 paddr_num)
2059 {
2060         int i;
2061
2062         if ((*p_enet_addr)[0] & ENET_GROUP_ADDR)
2063                 ugeth_warn
2064                     ("%s: multicast address added to paddr will have no "
2065                      "effect - is this what you wanted?",
2066                      __FUNCTION__);
2067
2068         ugeth->indAddrRegUsed[paddr_num] = 1;   /* mark this paddr as used */
2069         /* store address in our database */
2070         for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++)
2071                 ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i];
2072         /* put in hardware */
2073         return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num);
2074 }
2075 #endif /* CONFIG_UGETH_FILTERING */
2076
2077 static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
2078                                                     u8 paddr_num)
2079 {
2080         ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
2081         return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
2082 }
2083
2084 static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
2085 {
2086         u16 i, j;
2087         u8 __iomem *bd;
2088
2089         if (!ugeth)
2090                 return;
2091
2092         if (ugeth->uccf) {
2093                 ucc_fast_free(ugeth->uccf);
2094                 ugeth->uccf = NULL;
2095         }
2096
2097         if (ugeth->p_thread_data_tx) {
2098                 qe_muram_free(ugeth->thread_dat_tx_offset);
2099                 ugeth->p_thread_data_tx = NULL;
2100         }
2101         if (ugeth->p_thread_data_rx) {
2102                 qe_muram_free(ugeth->thread_dat_rx_offset);
2103                 ugeth->p_thread_data_rx = NULL;
2104         }
2105         if (ugeth->p_exf_glbl_param) {
2106                 qe_muram_free(ugeth->exf_glbl_param_offset);
2107                 ugeth->p_exf_glbl_param = NULL;
2108         }
2109         if (ugeth->p_rx_glbl_pram) {
2110                 qe_muram_free(ugeth->rx_glbl_pram_offset);
2111                 ugeth->p_rx_glbl_pram = NULL;
2112         }
2113         if (ugeth->p_tx_glbl_pram) {
2114                 qe_muram_free(ugeth->tx_glbl_pram_offset);
2115                 ugeth->p_tx_glbl_pram = NULL;
2116         }
2117         if (ugeth->p_send_q_mem_reg) {
2118                 qe_muram_free(ugeth->send_q_mem_reg_offset);
2119                 ugeth->p_send_q_mem_reg = NULL;
2120         }
2121         if (ugeth->p_scheduler) {
2122                 qe_muram_free(ugeth->scheduler_offset);
2123                 ugeth->p_scheduler = NULL;
2124         }
2125         if (ugeth->p_tx_fw_statistics_pram) {
2126                 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
2127                 ugeth->p_tx_fw_statistics_pram = NULL;
2128         }
2129         if (ugeth->p_rx_fw_statistics_pram) {
2130                 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
2131                 ugeth->p_rx_fw_statistics_pram = NULL;
2132         }
2133         if (ugeth->p_rx_irq_coalescing_tbl) {
2134                 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
2135                 ugeth->p_rx_irq_coalescing_tbl = NULL;
2136         }
2137         if (ugeth->p_rx_bd_qs_tbl) {
2138                 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
2139                 ugeth->p_rx_bd_qs_tbl = NULL;
2140         }
2141         if (ugeth->p_init_enet_param_shadow) {
2142                 return_init_enet_entries(ugeth,
2143                                          &(ugeth->p_init_enet_param_shadow->
2144                                            rxthread[0]),
2145                                          ENET_INIT_PARAM_MAX_ENTRIES_RX,
2146                                          ugeth->ug_info->riscRx, 1);
2147                 return_init_enet_entries(ugeth,
2148                                          &(ugeth->p_init_enet_param_shadow->
2149                                            txthread[0]),
2150                                          ENET_INIT_PARAM_MAX_ENTRIES_TX,
2151                                          ugeth->ug_info->riscTx, 0);
2152                 kfree(ugeth->p_init_enet_param_shadow);
2153                 ugeth->p_init_enet_param_shadow = NULL;
2154         }
2155         for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
2156                 bd = ugeth->p_tx_bd_ring[i];
2157                 if (!bd)
2158                         continue;
2159                 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
2160                         if (ugeth->tx_skbuff[i][j]) {
2161                                 dma_unmap_single(&ugeth->dev->dev,
2162                                                  in_be32(&((struct qe_bd __iomem *)bd)->buf),
2163                                                  (in_be32((u32 __iomem *)bd) &
2164                                                   BD_LENGTH_MASK),
2165                                                  DMA_TO_DEVICE);
2166                                 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
2167                                 ugeth->tx_skbuff[i][j] = NULL;
2168                         }
2169                 }
2170
2171                 kfree(ugeth->tx_skbuff[i]);
2172
2173                 if (ugeth->p_tx_bd_ring[i]) {
2174                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2175                             MEM_PART_SYSTEM)
2176                                 kfree((void *)ugeth->tx_bd_ring_offset[i]);
2177                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2178                                  MEM_PART_MURAM)
2179                                 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
2180                         ugeth->p_tx_bd_ring[i] = NULL;
2181                 }
2182         }
2183         for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
2184                 if (ugeth->p_rx_bd_ring[i]) {
2185                         /* Return existing data buffers in ring */
2186                         bd = ugeth->p_rx_bd_ring[i];
2187                         for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
2188                                 if (ugeth->rx_skbuff[i][j]) {
2189                                         dma_unmap_single(&ugeth->dev->dev,
2190                                                 in_be32(&((struct qe_bd __iomem *)bd)->buf),
2191                                                 ugeth->ug_info->
2192                                                 uf_info.max_rx_buf_length +
2193                                                 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
2194                                                 DMA_FROM_DEVICE);
2195                                         dev_kfree_skb_any(
2196                                                 ugeth->rx_skbuff[i][j]);
2197                                         ugeth->rx_skbuff[i][j] = NULL;
2198                                 }
2199                                 bd += sizeof(struct qe_bd);
2200                         }
2201
2202                         kfree(ugeth->rx_skbuff[i]);
2203
2204                         if (ugeth->ug_info->uf_info.bd_mem_part ==
2205                             MEM_PART_SYSTEM)
2206                                 kfree((void *)ugeth->rx_bd_ring_offset[i]);
2207                         else if (ugeth->ug_info->uf_info.bd_mem_part ==
2208                                  MEM_PART_MURAM)
2209                                 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
2210                         ugeth->p_rx_bd_ring[i] = NULL;
2211                 }
2212         }
2213         while (!list_empty(&ugeth->group_hash_q))
2214                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2215                                         (dequeue(&ugeth->group_hash_q)));
2216         while (!list_empty(&ugeth->ind_hash_q))
2217                 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
2218                                         (dequeue(&ugeth->ind_hash_q)));
2219
2220 }
2221
2222 static void ucc_geth_set_multi(struct net_device *dev)
2223 {
2224         struct ucc_geth_private *ugeth;
2225         struct dev_mc_list *dmi;
2226         struct ucc_fast __iomem *uf_regs;
2227         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2228         int i;
2229
2230         ugeth = netdev_priv(dev);
2231
2232         uf_regs = ugeth->uccf->uf_regs;
2233
2234         if (dev->flags & IFF_PROMISC) {
2235
2236                 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr) | UPSMR_PRO);
2237
2238         } else {
2239
2240                 out_be32(&uf_regs->upsmr, in_be32(&uf_regs->upsmr)&~UPSMR_PRO);
2241
2242                 p_82xx_addr_filt =
2243                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
2244                     p_rx_glbl_pram->addressfiltering;
2245
2246                 if (dev->flags & IFF_ALLMULTI) {
2247                         /* Catch all multicast addresses, so set the
2248                          * filter to all 1's.
2249                          */
2250                         out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
2251                         out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
2252                 } else {
2253                         /* Clear filter and add the addresses in the list.
2254                          */
2255                         out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
2256                         out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
2257
2258                         dmi = dev->mc_list;
2259
2260                         for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
2261
2262                                 /* Only support group multicast for now.
2263                                  */
2264                                 if (!(dmi->dmi_addr[0] & 1))
2265                                         continue;
2266
2267                                 /* Ask CPM to run CRC and set bit in
2268                                  * filter mask.
2269                                  */
2270                                 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
2271                         }
2272                 }
2273         }
2274 }
2275
2276 static void ucc_geth_stop(struct ucc_geth_private *ugeth)
2277 {
2278         struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
2279         struct phy_device *phydev = ugeth->phydev;
2280         u32 tempval;
2281
2282         ugeth_vdbg("%s: IN", __FUNCTION__);
2283
2284         /* Disable the controller */
2285         ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2286
2287         /* Tell the kernel the link is down */
2288         phy_stop(phydev);
2289
2290         /* Mask all interrupts */
2291         out_be32(ugeth->uccf->p_uccm, 0x00000000);
2292
2293         /* Clear all interrupts */
2294         out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2295
2296         /* Disable Rx and Tx */
2297         tempval = in_be32(&ug_regs->maccfg1);
2298         tempval &= ~(MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
2299         out_be32(&ug_regs->maccfg1, tempval);
2300
2301         free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
2302
2303         ucc_geth_memclean(ugeth);
2304 }
2305
2306 static int ucc_struct_init(struct ucc_geth_private *ugeth)
2307 {
2308         struct ucc_geth_info *ug_info;
2309         struct ucc_fast_info *uf_info;
2310         int i;
2311
2312         ug_info = ugeth->ug_info;
2313         uf_info = &ug_info->uf_info;
2314
2315         if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2316               (uf_info->bd_mem_part == MEM_PART_MURAM))) {
2317                 if (netif_msg_probe(ugeth))
2318                         ugeth_err("%s: Bad memory partition value.",
2319                                         __FUNCTION__);
2320                 return -EINVAL;
2321         }
2322
2323         /* Rx BD lengths */
2324         for (i = 0; i < ug_info->numQueuesRx; i++) {
2325                 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2326                     (ug_info->bdRingLenRx[i] %
2327                      UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
2328                         if (netif_msg_probe(ugeth))
2329                                 ugeth_err
2330                                     ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
2331                                         __FUNCTION__);
2332                         return -EINVAL;
2333                 }
2334         }
2335
2336         /* Tx BD lengths */
2337         for (i = 0; i < ug_info->numQueuesTx; i++) {
2338                 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
2339                         if (netif_msg_probe(ugeth))
2340                                 ugeth_err
2341                                     ("%s: Tx BD ring length must be no smaller than 2.",
2342                                      __FUNCTION__);
2343                         return -EINVAL;
2344                 }
2345         }
2346
2347         /* mrblr */
2348         if ((uf_info->max_rx_buf_length == 0) ||
2349             (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
2350                 if (netif_msg_probe(ugeth))
2351                         ugeth_err
2352                             ("%s: max_rx_buf_length must be non-zero multiple of 128.",
2353                              __FUNCTION__);
2354                 return -EINVAL;
2355         }
2356
2357         /* num Tx queues */
2358         if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
2359                 if (netif_msg_probe(ugeth))
2360                         ugeth_err("%s: number of tx queues too large.", __FUNCTION__);
2361                 return -EINVAL;
2362         }
2363
2364         /* num Rx queues */
2365         if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
2366                 if (netif_msg_probe(ugeth))
2367                         ugeth_err("%s: number of rx queues too large.", __FUNCTION__);
2368                 return -EINVAL;
2369         }
2370
2371         /* l2qt */
2372         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2373                 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
2374                         if (netif_msg_probe(ugeth))
2375                                 ugeth_err
2376                                     ("%s: VLAN priority table entry must not be"
2377                                         " larger than number of Rx queues.",
2378                                      __FUNCTION__);
2379                         return -EINVAL;
2380                 }
2381         }
2382
2383         /* l3qt */
2384         for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2385                 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
2386                         if (netif_msg_probe(ugeth))
2387                                 ugeth_err
2388                                     ("%s: IP priority table entry must not be"
2389                                         " larger than number of Rx queues.",
2390                                      __FUNCTION__);
2391                         return -EINVAL;
2392                 }
2393         }
2394
2395         if (ug_info->cam && !ug_info->ecamptr) {
2396                 if (netif_msg_probe(ugeth))
2397                         ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
2398                                   __FUNCTION__);
2399                 return -EINVAL;
2400         }
2401
2402         if ((ug_info->numStationAddresses !=
2403              UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2404             && ug_info->rxExtendedFiltering) {
2405                 if (netif_msg_probe(ugeth))
2406                         ugeth_err("%s: Number of station addresses greater than 1 "
2407                                   "not allowed in extended parsing mode.",
2408                                   __FUNCTION__);
2409                 return -EINVAL;
2410         }
2411
2412         /* Generate uccm_mask for receive */
2413         uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2414         for (i = 0; i < ug_info->numQueuesRx; i++)
2415                 uf_info->uccm_mask |= (UCCE_RXBF_SINGLE_MASK << i);
2416
2417         for (i = 0; i < ug_info->numQueuesTx; i++)
2418                 uf_info->uccm_mask |= (UCCE_TXBF_SINGLE_MASK << i);
2419         /* Initialize the general fast UCC block. */
2420         if (ucc_fast_init(uf_info, &ugeth->uccf)) {
2421                 if (netif_msg_probe(ugeth))
2422                         ugeth_err("%s: Failed to init uccf.", __FUNCTION__);
2423                 ucc_geth_memclean(ugeth);
2424                 return -ENOMEM;
2425         }
2426
2427         ugeth->ug_regs = (struct ucc_geth __iomem *) ioremap(uf_info->regs, sizeof(struct ucc_geth));
2428
2429         return 0;
2430 }
2431
2432 static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2433 {
2434         struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2435         struct ucc_geth_init_pram __iomem *p_init_enet_pram;
2436         struct ucc_fast_private *uccf;
2437         struct ucc_geth_info *ug_info;
2438         struct ucc_fast_info *uf_info;
2439         struct ucc_fast __iomem *uf_regs;
2440         struct ucc_geth __iomem *ug_regs;
2441         int ret_val = -EINVAL;
2442         u32 remoder = UCC_GETH_REMODER_INIT;
2443         u32 init_enet_pram_offset, cecr_subblock, command, maccfg1;
2444         u32 ifstat, i, j, size, l2qt, l3qt, length;
2445         u16 temoder = UCC_GETH_TEMODER_INIT;
2446         u16 test;
2447         u8 function_code = 0;
2448         u8 __iomem *bd;
2449         u8 __iomem *endOfRing;
2450         u8 numThreadsRxNumerical, numThreadsTxNumerical;
2451
2452         ugeth_vdbg("%s: IN", __FUNCTION__);
2453         uccf = ugeth->uccf;
2454         ug_info = ugeth->ug_info;
2455         uf_info = &ug_info->uf_info;
2456         uf_regs = uccf->uf_regs;
2457         ug_regs = ugeth->ug_regs;
2458
2459         switch (ug_info->numThreadsRx) {
2460         case UCC_GETH_NUM_OF_THREADS_1:
2461                 numThreadsRxNumerical = 1;
2462                 break;
2463         case UCC_GETH_NUM_OF_THREADS_2:
2464                 numThreadsRxNumerical = 2;
2465                 break;
2466         case UCC_GETH_NUM_OF_THREADS_4:
2467                 numThreadsRxNumerical = 4;
2468                 break;
2469         case UCC_GETH_NUM_OF_THREADS_6:
2470                 numThreadsRxNumerical = 6;
2471                 break;
2472         case UCC_GETH_NUM_OF_THREADS_8:
2473                 numThreadsRxNumerical = 8;
2474                 break;
2475         default:
2476                 if (netif_msg_ifup(ugeth))
2477                         ugeth_err("%s: Bad number of Rx threads value.",
2478                                         __FUNCTION__);
2479                 ucc_geth_memclean(ugeth);
2480                 return -EINVAL;
2481                 break;
2482         }
2483
2484         switch (ug_info->numThreadsTx) {
2485         case UCC_GETH_NUM_OF_THREADS_1:
2486                 numThreadsTxNumerical = 1;
2487                 break;
2488         case UCC_GETH_NUM_OF_THREADS_2:
2489                 numThreadsTxNumerical = 2;
2490                 break;
2491         case UCC_GETH_NUM_OF_THREADS_4:
2492                 numThreadsTxNumerical = 4;
2493                 break;
2494         case UCC_GETH_NUM_OF_THREADS_6:
2495                 numThreadsTxNumerical = 6;
2496                 break;
2497         case UCC_GETH_NUM_OF_THREADS_8:
2498                 numThreadsTxNumerical = 8;
2499                 break;
2500         default:
2501                 if (netif_msg_ifup(ugeth))
2502                         ugeth_err("%s: Bad number of Tx threads value.",
2503                                         __FUNCTION__);
2504                 ucc_geth_memclean(ugeth);
2505                 return -EINVAL;
2506                 break;
2507         }
2508
2509         /* Calculate rx_extended_features */
2510         ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2511             ug_info->ipAddressAlignment ||
2512             (ug_info->numStationAddresses !=
2513              UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2514
2515         ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2516             (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2517             || (ug_info->vlanOperationNonTagged !=
2518                 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2519
2520         init_default_reg_vals(&uf_regs->upsmr,
2521                               &ug_regs->maccfg1, &ug_regs->maccfg2);
2522
2523         /*                    Set UPSMR                      */
2524         /* For more details see the hardware spec.           */
2525         init_rx_parameters(ug_info->bro,
2526                            ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2527
2528         /* We're going to ignore other registers for now, */
2529         /* except as needed to get up and running         */
2530
2531         /*                    Set MACCFG1                    */
2532         /* For more details see the hardware spec.           */
2533         init_flow_control_params(ug_info->aufc,
2534                                  ug_info->receiveFlowControl,
2535                                  ug_info->transmitFlowControl,
2536                                  ug_info->pausePeriod,
2537                                  ug_info->extensionField,
2538                                  &uf_regs->upsmr,
2539                                  &ug_regs->uempr, &ug_regs->maccfg1);
2540
2541         maccfg1 = in_be32(&ug_regs->maccfg1);
2542         maccfg1 |= MACCFG1_ENABLE_RX;
2543         maccfg1 |= MACCFG1_ENABLE_TX;
2544         out_be32(&ug_regs->maccfg1, maccfg1);
2545
2546         /*                    Set IPGIFG                     */
2547         /* For more details see the hardware spec.           */
2548         ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2549                                               ug_info->nonBackToBackIfgPart2,
2550                                               ug_info->
2551                                               miminumInterFrameGapEnforcement,
2552                                               ug_info->backToBackInterFrameGap,
2553                                               &ug_regs->ipgifg);
2554         if (ret_val != 0) {
2555                 if (netif_msg_ifup(ugeth))
2556                         ugeth_err("%s: IPGIFG initialization parameter too large.",
2557                                   __FUNCTION__);
2558                 ucc_geth_memclean(ugeth);
2559                 return ret_val;
2560         }
2561
2562         /*                    Set HAFDUP                     */
2563         /* For more details see the hardware spec.           */
2564         ret_val = init_half_duplex_params(ug_info->altBeb,
2565                                           ug_info->backPressureNoBackoff,
2566                                           ug_info->noBackoff,
2567                                           ug_info->excessDefer,
2568                                           ug_info->altBebTruncation,
2569                                           ug_info->maxRetransmission,
2570                                           ug_info->collisionWindow,
2571                                           &ug_regs->hafdup);
2572         if (ret_val != 0) {
2573                 if (netif_msg_ifup(ugeth))
2574                         ugeth_err("%s: Half Duplex initialization parameter too large.",
2575                           __FUNCTION__);
2576                 ucc_geth_memclean(ugeth);
2577                 return ret_val;
2578         }
2579
2580         /*                    Set IFSTAT                     */
2581         /* For more details see the hardware spec.           */
2582         /* Read only - resets upon read                      */
2583         ifstat = in_be32(&ug_regs->ifstat);
2584
2585         /*                    Clear UEMPR                    */
2586         /* For more details see the hardware spec.           */
2587         out_be32(&ug_regs->uempr, 0);
2588
2589         /*                    Set UESCR                      */
2590         /* For more details see the hardware spec.           */
2591         init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2592                                 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2593                                 0, &uf_regs->upsmr, &ug_regs->uescr);
2594
2595         /* Allocate Tx bds */
2596         for (j = 0; j < ug_info->numQueuesTx; j++) {
2597                 /* Allocate in multiple of
2598                    UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2599                    according to spec */
2600                 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
2601                           / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2602                     * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2603                 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
2604                     UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2605                         length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2606                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2607                         u32 align = 4;
2608                         if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2609                                 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2610                         ugeth->tx_bd_ring_offset[j] =
2611                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2612
2613                         if (ugeth->tx_bd_ring_offset[j] != 0)
2614                                 ugeth->p_tx_bd_ring[j] =
2615                                         (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
2616                                         align) & ~(align - 1));
2617                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2618                         ugeth->tx_bd_ring_offset[j] =
2619                             qe_muram_alloc(length,
2620                                            UCC_GETH_TX_BD_RING_ALIGNMENT);
2621                         if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
2622                                 ugeth->p_tx_bd_ring[j] =
2623                                     (u8 __iomem *) qe_muram_addr(ugeth->
2624                                                          tx_bd_ring_offset[j]);
2625                 }
2626                 if (!ugeth->p_tx_bd_ring[j]) {
2627                         if (netif_msg_ifup(ugeth))
2628                                 ugeth_err
2629                                     ("%s: Can not allocate memory for Tx bd rings.",
2630                                      __FUNCTION__);
2631                         ucc_geth_memclean(ugeth);
2632                         return -ENOMEM;
2633                 }
2634                 /* Zero unused end of bd ring, according to spec */
2635                 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2636                        ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
2637                        length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
2638         }
2639
2640         /* Allocate Rx bds */
2641         for (j = 0; j < ug_info->numQueuesRx; j++) {
2642                 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
2643                 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2644                         u32 align = 4;
2645                         if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2646                                 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2647                         ugeth->rx_bd_ring_offset[j] =
2648                                 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
2649                         if (ugeth->rx_bd_ring_offset[j] != 0)
2650                                 ugeth->p_rx_bd_ring[j] =
2651                                         (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
2652                                         align) & ~(align - 1));
2653                 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2654                         ugeth->rx_bd_ring_offset[j] =
2655                             qe_muram_alloc(length,
2656                                            UCC_GETH_RX_BD_RING_ALIGNMENT);
2657                         if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
2658                                 ugeth->p_rx_bd_ring[j] =
2659                                     (u8 __iomem *) qe_muram_addr(ugeth->
2660                                                          rx_bd_ring_offset[j]);
2661                 }
2662                 if (!ugeth->p_rx_bd_ring[j]) {
2663                         if (netif_msg_ifup(ugeth))
2664                                 ugeth_err
2665                                     ("%s: Can not allocate memory for Rx bd rings.",
2666                                      __FUNCTION__);
2667                         ucc_geth_memclean(ugeth);
2668                         return -ENOMEM;
2669                 }
2670         }
2671
2672         /* Init Tx bds */
2673         for (j = 0; j < ug_info->numQueuesTx; j++) {
2674                 /* Setup the skbuff rings */
2675                 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2676                                               ugeth->ug_info->bdRingLenTx[j],
2677                                               GFP_KERNEL);
2678
2679                 if (ugeth->tx_skbuff[j] == NULL) {
2680                         if (netif_msg_ifup(ugeth))
2681                                 ugeth_err("%s: Could not allocate tx_skbuff",
2682                                           __FUNCTION__);
2683                         ucc_geth_memclean(ugeth);
2684                         return -ENOMEM;
2685                 }
2686
2687                 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2688                         ugeth->tx_skbuff[j][i] = NULL;
2689
2690                 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2691                 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2692                 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
2693                         /* clear bd buffer */
2694                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2695                         /* set bd status and length */
2696                         out_be32((u32 __iomem *)bd, 0);
2697                         bd += sizeof(struct qe_bd);
2698                 }
2699                 bd -= sizeof(struct qe_bd);
2700                 /* set bd status and length */
2701                 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
2702         }
2703
2704         /* Init Rx bds */
2705         for (j = 0; j < ug_info->numQueuesRx; j++) {
2706                 /* Setup the skbuff rings */
2707                 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2708                                               ugeth->ug_info->bdRingLenRx[j],
2709                                               GFP_KERNEL);
2710
2711                 if (ugeth->rx_skbuff[j] == NULL) {
2712                         if (netif_msg_ifup(ugeth))
2713                                 ugeth_err("%s: Could not allocate rx_skbuff",
2714                                           __FUNCTION__);
2715                         ucc_geth_memclean(ugeth);
2716                         return -ENOMEM;
2717                 }
2718
2719                 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2720                         ugeth->rx_skbuff[j][i] = NULL;
2721
2722                 ugeth->skb_currx[j] = 0;
2723                 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2724                 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
2725                         /* set bd status and length */
2726                         out_be32((u32 __iomem *)bd, R_I);
2727                         /* clear bd buffer */
2728                         out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
2729                         bd += sizeof(struct qe_bd);
2730                 }
2731                 bd -= sizeof(struct qe_bd);
2732                 /* set bd status and length */
2733                 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
2734         }
2735
2736         /*
2737          * Global PRAM
2738          */
2739         /* Tx global PRAM */
2740         /* Allocate global tx parameter RAM page */
2741         ugeth->tx_glbl_pram_offset =
2742             qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
2743                            UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
2744         if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
2745                 if (netif_msg_ifup(ugeth))
2746                         ugeth_err
2747                             ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
2748                              __FUNCTION__);
2749                 ucc_geth_memclean(ugeth);
2750                 return -ENOMEM;
2751         }
2752         ugeth->p_tx_glbl_pram =
2753             (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
2754                                                         tx_glbl_pram_offset);
2755         /* Zero out p_tx_glbl_pram */
2756         memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
2757
2758         /* Fill global PRAM */
2759
2760         /* TQPTR */
2761         /* Size varies with number of Tx threads */
2762         ugeth->thread_dat_tx_offset =
2763             qe_muram_alloc(numThreadsTxNumerical *
2764                            sizeof(struct ucc_geth_thread_data_tx) +
2765                            32 * (numThreadsTxNumerical == 1),
2766                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2767         if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
2768                 if (netif_msg_ifup(ugeth))
2769                         ugeth_err
2770                             ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
2771                              __FUNCTION__);
2772                 ucc_geth_memclean(ugeth);
2773                 return -ENOMEM;
2774         }
2775
2776         ugeth->p_thread_data_tx =
2777             (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
2778                                                         thread_dat_tx_offset);
2779         out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2780
2781         /* vtagtable */
2782         for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2783                 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2784                          ug_info->vtagtable[i]);
2785
2786         /* iphoffset */
2787         for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
2788                 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2789                                 ug_info->iphoffset[i]);
2790
2791         /* SQPTR */
2792         /* Size varies with number of Tx queues */
2793         ugeth->send_q_mem_reg_offset =
2794             qe_muram_alloc(ug_info->numQueuesTx *
2795                            sizeof(struct ucc_geth_send_queue_qd),
2796                            UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
2797         if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
2798                 if (netif_msg_ifup(ugeth))
2799                         ugeth_err
2800                             ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
2801                              __FUNCTION__);
2802                 ucc_geth_memclean(ugeth);
2803                 return -ENOMEM;
2804         }
2805
2806         ugeth->p_send_q_mem_reg =
2807             (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
2808                         send_q_mem_reg_offset);
2809         out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2810
2811         /* Setup the table */
2812         /* Assume BD rings are already established */
2813         for (i = 0; i < ug_info->numQueuesTx; i++) {
2814                 endOfRing =
2815                     ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
2816                                               1) * sizeof(struct qe_bd);
2817                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2818                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2819                                  (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2820                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2821                                  last_bd_completed_address,
2822                                  (u32) virt_to_phys(endOfRing));
2823                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2824                            MEM_PART_MURAM) {
2825                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2826                                  (u32) immrbar_virt_to_phys(ugeth->
2827                                                             p_tx_bd_ring[i]));
2828                         out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2829                                  last_bd_completed_address,
2830                                  (u32) immrbar_virt_to_phys(endOfRing));
2831                 }
2832         }
2833
2834         /* schedulerbasepointer */
2835
2836         if (ug_info->numQueuesTx > 1) {
2837         /* scheduler exists only if more than 1 tx queue */
2838                 ugeth->scheduler_offset =
2839                     qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
2840                                    UCC_GETH_SCHEDULER_ALIGNMENT);
2841                 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
2842                         if (netif_msg_ifup(ugeth))
2843                                 ugeth_err
2844                                  ("%s: Can not allocate DPRAM memory for p_scheduler.",
2845                                      __FUNCTION__);
2846                         ucc_geth_memclean(ugeth);
2847                         return -ENOMEM;
2848                 }
2849
2850                 ugeth->p_scheduler =
2851                     (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
2852                                                            scheduler_offset);
2853                 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2854                          ugeth->scheduler_offset);
2855                 /* Zero out p_scheduler */
2856                 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
2857
2858                 /* Set values in scheduler */
2859                 out_be32(&ugeth->p_scheduler->mblinterval,
2860                          ug_info->mblinterval);
2861                 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2862                          ug_info->nortsrbytetime);
2863                 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2864                 out_8(&ugeth->p_scheduler->strictpriorityq,
2865                                 ug_info->strictpriorityq);
2866                 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2867                 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
2868                 for (i = 0; i < NUM_TX_QUEUES; i++)
2869                         out_8(&ugeth->p_scheduler->weightfactor[i],
2870                             ug_info->weightfactor[i]);
2871
2872                 /* Set pointers to cpucount registers in scheduler */
2873                 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2874                 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2875                 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2876                 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2877                 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2878                 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2879                 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2880                 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2881         }
2882
2883         /* schedulerbasepointer */
2884         /* TxRMON_PTR (statistics) */
2885         if (ug_info->
2886             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2887                 ugeth->tx_fw_statistics_pram_offset =
2888                     qe_muram_alloc(sizeof
2889                                    (struct ucc_geth_tx_firmware_statistics_pram),
2890                                    UCC_GETH_TX_STATISTICS_ALIGNMENT);
2891                 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
2892                         if (netif_msg_ifup(ugeth))
2893                                 ugeth_err
2894                                     ("%s: Can not allocate DPRAM memory for"
2895                                         " p_tx_fw_statistics_pram.",
2896                                         __FUNCTION__);
2897                         ucc_geth_memclean(ugeth);
2898                         return -ENOMEM;
2899                 }
2900                 ugeth->p_tx_fw_statistics_pram =
2901                     (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
2902                     qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2903                 /* Zero out p_tx_fw_statistics_pram */
2904                 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
2905                        0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
2906         }
2907
2908         /* temoder */
2909         /* Already has speed set */
2910
2911         if (ug_info->numQueuesTx > 1)
2912                 temoder |= TEMODER_SCHEDULER_ENABLE;
2913         if (ug_info->ipCheckSumGenerate)
2914                 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2915         temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2916         out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2917
2918         test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2919
2920         /* Function code register value to be used later */
2921         function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
2922         /* Required for QE */
2923
2924         /* function code register */
2925         out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2926
2927         /* Rx global PRAM */
2928         /* Allocate global rx parameter RAM page */
2929         ugeth->rx_glbl_pram_offset =
2930             qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
2931                            UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
2932         if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
2933                 if (netif_msg_ifup(ugeth))
2934                         ugeth_err
2935                             ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
2936                              __FUNCTION__);
2937                 ucc_geth_memclean(ugeth);
2938                 return -ENOMEM;
2939         }
2940         ugeth->p_rx_glbl_pram =
2941             (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
2942                                                         rx_glbl_pram_offset);
2943         /* Zero out p_rx_glbl_pram */
2944         memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
2945
2946         /* Fill global PRAM */
2947
2948         /* RQPTR */
2949         /* Size varies with number of Rx threads */
2950         ugeth->thread_dat_rx_offset =
2951             qe_muram_alloc(numThreadsRxNumerical *
2952                            sizeof(struct ucc_geth_thread_data_rx),
2953                            UCC_GETH_THREAD_DATA_ALIGNMENT);
2954         if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
2955                 if (netif_msg_ifup(ugeth))
2956                         ugeth_err
2957                             ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
2958                              __FUNCTION__);
2959                 ucc_geth_memclean(ugeth);
2960                 return -ENOMEM;
2961         }
2962
2963         ugeth->p_thread_data_rx =
2964             (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
2965                                                         thread_dat_rx_offset);
2966         out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2967
2968         /* typeorlen */
2969         out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2970
2971         /* rxrmonbaseptr (statistics) */
2972         if (ug_info->
2973             statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2974                 ugeth->rx_fw_statistics_pram_offset =
2975                     qe_muram_alloc(sizeof
2976                                    (struct ucc_geth_rx_firmware_statistics_pram),
2977                                    UCC_GETH_RX_STATISTICS_ALIGNMENT);
2978                 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
2979                         if (netif_msg_ifup(ugeth))
2980                                 ugeth_err
2981                                         ("%s: Can not allocate DPRAM memory for"
2982                                         " p_rx_fw_statistics_pram.", __FUNCTION__);
2983                         ucc_geth_memclean(ugeth);
2984                         return -ENOMEM;
2985                 }
2986                 ugeth->p_rx_fw_statistics_pram =
2987                     (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
2988                     qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2989                 /* Zero out p_rx_fw_statistics_pram */
2990                 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
2991                        sizeof(struct ucc_geth_rx_firmware_statistics_pram));
2992         }
2993
2994         /* intCoalescingPtr */
2995
2996         /* Size varies with number of Rx queues */
2997         ugeth->rx_irq_coalescing_tbl_offset =
2998             qe_muram_alloc(ug_info->numQueuesRx *
2999                            sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
3000                            + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
3001         if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
3002                 if (netif_msg_ifup(ugeth))
3003                         ugeth_err
3004                             ("%s: Can not allocate DPRAM memory for"
3005                                 " p_rx_irq_coalescing_tbl.", __FUNCTION__);
3006                 ucc_geth_memclean(ugeth);
3007                 return -ENOMEM;
3008         }
3009
3010         ugeth->p_rx_irq_coalescing_tbl =
3011             (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
3012             qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
3013         out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
3014                  ugeth->rx_irq_coalescing_tbl_offset);
3015
3016         /* Fill interrupt coalescing table */
3017         for (i = 0; i < ug_info->numQueuesRx; i++) {
3018                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3019                          interruptcoalescingmaxvalue,
3020                          ug_info->interruptcoalescingmaxvalue[i]);
3021                 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
3022                          interruptcoalescingcounter,
3023                          ug_info->interruptcoalescingmaxvalue[i]);
3024         }
3025
3026         /* MRBLR */
3027         init_max_rx_buff_len(uf_info->max_rx_buf_length,
3028                              &ugeth->p_rx_glbl_pram->mrblr);
3029         /* MFLR */
3030         out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
3031         /* MINFLR */
3032         init_min_frame_len(ug_info->minFrameLength,
3033                            &ugeth->p_rx_glbl_pram->minflr,
3034                            &ugeth->p_rx_glbl_pram->mrblr);
3035         /* MAXD1 */
3036         out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
3037         /* MAXD2 */
3038         out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
3039
3040         /* l2qt */
3041         l2qt = 0;
3042         for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
3043                 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
3044         out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
3045
3046         /* l3qt */
3047         for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
3048                 l3qt = 0;
3049                 for (i = 0; i < 8; i++)
3050                         l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
3051                 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
3052         }
3053
3054         /* vlantype */
3055         out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
3056
3057         /* vlantci */
3058         out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
3059
3060         /* ecamptr */
3061         out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
3062
3063         /* RBDQPTR */
3064         /* Size varies with number of Rx queues */
3065         ugeth->rx_bd_qs_tbl_offset =
3066             qe_muram_alloc(ug_info->numQueuesRx *
3067                            (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3068                             sizeof(struct ucc_geth_rx_prefetched_bds)),
3069                            UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
3070         if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
3071                 if (netif_msg_ifup(ugeth))
3072                         ugeth_err
3073                             ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
3074                              __FUNCTION__);
3075                 ucc_geth_memclean(ugeth);
3076                 return -ENOMEM;
3077         }
3078
3079         ugeth->p_rx_bd_qs_tbl =
3080             (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
3081                                     rx_bd_qs_tbl_offset);
3082         out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
3083         /* Zero out p_rx_bd_qs_tbl */
3084         memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
3085                0,
3086                ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
3087                                        sizeof(struct ucc_geth_rx_prefetched_bds)));
3088
3089         /* Setup the table */
3090         /* Assume BD rings are already established */
3091         for (i = 0; i < ug_info->numQueuesRx; i++) {
3092                 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
3093                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3094                                  (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
3095                 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
3096                            MEM_PART_MURAM) {
3097                         out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
3098                                  (u32) immrbar_virt_to_phys(ugeth->
3099                                                             p_rx_bd_ring[i]));
3100                 }
3101                 /* rest of fields handled by QE */
3102         }
3103
3104         /* remoder */
3105         /* Already has speed set */
3106
3107         if (ugeth->rx_extended_features)
3108                 remoder |= REMODER_RX_EXTENDED_FEATURES;
3109         if (ug_info->rxExtendedFiltering)
3110                 remoder |= REMODER_RX_EXTENDED_FILTERING;
3111         if (ug_info->dynamicMaxFrameLength)
3112                 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
3113         if (ug_info->dynamicMinFrameLength)
3114                 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
3115         remoder |=
3116             ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
3117         remoder |=
3118             ug_info->
3119             vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
3120         remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
3121         remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
3122         if (ug_info->ipCheckSumCheck)
3123                 remoder |= REMODER_IP_CHECKSUM_CHECK;
3124         if (ug_info->ipAddressAlignment)
3125                 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
3126         out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
3127
3128         /* Note that this function must be called */
3129         /* ONLY AFTER p_tx_fw_statistics_pram */
3130         /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
3131         init_firmware_statistics_gathering_mode((ug_info->
3132                 statisticsMode &
3133                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
3134                 (ug_info->statisticsMode &
3135                 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
3136                 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
3137                 ugeth->tx_fw_statistics_pram_offset,
3138                 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
3139                 ugeth->rx_fw_statistics_pram_offset,
3140                 &ugeth->p_tx_glbl_pram->temoder,
3141                 &ugeth->p_rx_glbl_pram->remoder);
3142
3143         /* function code register */
3144         out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
3145
3146         /* initialize extended filtering */
3147         if (ug_info->rxExtendedFiltering) {
3148                 if (!ug_info->extendedFilteringChainPointer) {
3149                         if (netif_msg_ifup(ugeth))
3150                                 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
3151                                           __FUNCTION__);
3152                         ucc_geth_memclean(ugeth);
3153                         return -EINVAL;
3154                 }
3155
3156                 /* Allocate memory for extended filtering Mode Global
3157                 Parameters */
3158                 ugeth->exf_glbl_param_offset =
3159                     qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
3160                 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
3161                 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
3162                         if (netif_msg_ifup(ugeth))
3163                                 ugeth_err
3164                                         ("%s: Can not allocate DPRAM memory for"
3165                                         " p_exf_glbl_param.", __FUNCTION__);
3166                         ucc_geth_memclean(ugeth);
3167                         return -ENOMEM;
3168                 }
3169
3170                 ugeth->p_exf_glbl_param =
3171                     (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
3172                                  exf_glbl_param_offset);
3173                 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
3174                          ugeth->exf_glbl_param_offset);
3175                 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
3176                          (u32) ug_info->extendedFilteringChainPointer);
3177
3178         } else {                /* initialize 82xx style address filtering */
3179
3180                 /* Init individual address recognition registers to disabled */
3181
3182                 for (j = 0; j < NUM_OF_PADDRS; j++)
3183                         ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
3184
3185                 p_82xx_addr_filt =
3186                     (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
3187                     p_rx_glbl_pram->addressfiltering;
3188
3189                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3190                         ENET_ADDR_TYPE_GROUP);
3191                 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
3192                         ENET_ADDR_TYPE_INDIVIDUAL);
3193         }
3194
3195         /*
3196          * Initialize UCC at QE level
3197          */
3198
3199         command = QE_INIT_TX_RX;
3200
3201         /* Allocate shadow InitEnet command parameter structure.
3202          * This is needed because after the InitEnet command is executed,
3203          * the structure in DPRAM is released, because DPRAM is a premium
3204          * resource.
3205          * This shadow structure keeps a copy of what was done so that the
3206          * allocated resources can be released when the channel is freed.
3207          */
3208         if (!(ugeth->p_init_enet_param_shadow =
3209               kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
3210                 if (netif_msg_ifup(ugeth))
3211                         ugeth_err
3212                             ("%s: Can not allocate memory for"
3213                                 " p_UccInitEnetParamShadows.", __FUNCTION__);
3214                 ucc_geth_memclean(ugeth);
3215                 return -ENOMEM;
3216         }
3217         /* Zero out *p_init_enet_param_shadow */
3218         memset((char *)ugeth->p_init_enet_param_shadow,
3219                0, sizeof(struct ucc_geth_init_pram));
3220
3221         /* Fill shadow InitEnet command parameter structure */
3222
3223         ugeth->p_init_enet_param_shadow->resinit1 =
3224             ENET_INIT_PARAM_MAGIC_RES_INIT1;
3225         ugeth->p_init_enet_param_shadow->resinit2 =
3226             ENET_INIT_PARAM_MAGIC_RES_INIT2;
3227         ugeth->p_init_enet_param_shadow->resinit3 =
3228             ENET_INIT_PARAM_MAGIC_RES_INIT3;
3229         ugeth->p_init_enet_param_shadow->resinit4 =
3230             ENET_INIT_PARAM_MAGIC_RES_INIT4;
3231         ugeth->p_init_enet_param_shadow->resinit5 =
3232             ENET_INIT_PARAM_MAGIC_RES_INIT5;
3233         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3234             ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
3235         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3236             ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
3237
3238         ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
3239             ugeth->rx_glbl_pram_offset | ug_info->riscRx;
3240         if ((ug_info->largestexternallookupkeysize !=
3241              QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
3242             && (ug_info->largestexternallookupkeysize !=
3243                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3244             && (ug_info->largestexternallookupkeysize !=
3245                 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
3246                 if (netif_msg_ifup(ugeth))
3247                         ugeth_err("%s: Invalid largest External Lookup Key Size.",
3248                                   __FUNCTION__);
3249                 ucc_geth_memclean(ugeth);
3250                 return -EINVAL;
3251         }
3252         ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
3253             ug_info->largestexternallookupkeysize;
3254         size = sizeof(struct ucc_geth_thread_rx_pram);
3255         if (ug_info->rxExtendedFiltering) {
3256                 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
3257                 if (ug_info->largestexternallookupkeysize ==
3258                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
3259                         size +=
3260                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
3261                 if (ug_info->largestexternallookupkeysize ==
3262                     QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
3263                         size +=
3264                             THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
3265         }
3266
3267         if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
3268                 p_init_enet_param_shadow->rxthread[0]),
3269                 (u8) (numThreadsRxNumerical + 1)
3270                 /* Rx needs one extra for terminator */
3271                 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
3272                 ug_info->riscRx, 1)) != 0) {
3273                 if (netif_msg_ifup(ugeth))
3274                                 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3275                                         __FUNCTION__);
3276                 ucc_geth_memclean(ugeth);
3277                 return ret_val;
3278         }
3279
3280         ugeth->p_init_enet_param_shadow->txglobal =
3281             ugeth->tx_glbl_pram_offset | ug_info->riscTx;
3282         if ((ret_val =
3283              fill_init_enet_entries(ugeth,
3284                                     &(ugeth->p_init_enet_param_shadow->
3285                                       txthread[0]), numThreadsTxNumerical,
3286                                     sizeof(struct ucc_geth_thread_tx_pram),
3287                                     UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
3288                                     ug_info->riscTx, 0)) != 0) {
3289                 if (netif_msg_ifup(ugeth))
3290                         ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
3291                                   __FUNCTION__);
3292                 ucc_geth_memclean(ugeth);
3293                 return ret_val;
3294         }
3295
3296         /* Load Rx bds with buffers */
3297         for (i = 0; i < ug_info->numQueuesRx; i++) {
3298                 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
3299                         if (netif_msg_ifup(ugeth))
3300                                 ugeth_err("%s: Can not fill Rx bds with buffers.",
3301                                           __FUNCTION__);
3302                         ucc_geth_memclean(ugeth);
3303                         return ret_val;
3304                 }
3305         }
3306
3307         /* Allocate InitEnet command parameter structure */
3308         init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
3309         if (IS_ERR_VALUE(init_enet_pram_offset)) {
3310                 if (netif_msg_ifup(ugeth))
3311                         ugeth_err
3312                             ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
3313                              __FUNCTION__);
3314                 ucc_geth_memclean(ugeth);
3315                 return -ENOMEM;
3316         }
3317         p_init_enet_pram =
3318             (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
3319
3320         /* Copy shadow InitEnet command parameter structure into PRAM */
3321         out_8(&p_init_enet_pram->resinit1,
3322                         ugeth->p_init_enet_param_shadow->resinit1);
3323         out_8(&p_init_enet_pram->resinit2,
3324                         ugeth->p_init_enet_param_shadow->resinit2);
3325         out_8(&p_init_enet_pram->resinit3,
3326                         ugeth->p_init_enet_param_shadow->resinit3);
3327         out_8(&p_init_enet_pram->resinit4,
3328                         ugeth->p_init_enet_param_shadow->resinit4);
3329         out_be16(&p_init_enet_pram->resinit5,
3330                  ugeth->p_init_enet_param_shadow->resinit5);
3331         out_8(&p_init_enet_pram->largestexternallookupkeysize,
3332             ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
3333         out_be32(&p_init_enet_pram->rgftgfrxglobal,
3334                  ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3335         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3336                 out_be32(&p_init_enet_pram->rxthread[i],
3337                          ugeth->p_init_enet_param_shadow->rxthread[i]);
3338         out_be32(&p_init_enet_pram->txglobal,
3339                  ugeth->p_init_enet_param_shadow->txglobal);
3340         for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3341                 out_be32(&p_init_enet_pram->txthread[i],
3342                          ugeth->p_init_enet_param_shadow->txthread[i]);
3343
3344         /* Issue QE command */
3345         cecr_subblock =
3346             ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
3347         qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
3348                      init_enet_pram_offset);
3349
3350         /* Free InitEnet command parameter */
3351         qe_muram_free(init_enet_pram_offset);
3352
3353         return 0;
3354 }
3355
3356 /* ucc_geth_timeout gets called when a packet has not been
3357  * transmitted after a set amount of time.
3358  * For now, assume that clearing out all the structures, and
3359  * starting over will fix the problem. */
3360 static void ucc_geth_timeout(struct net_device *dev)
3361 {
3362         struct ucc_geth_private *ugeth = netdev_priv(dev);
3363
3364         ugeth_vdbg("%s: IN", __FUNCTION__);
3365
3366         dev->stats.tx_errors++;
3367
3368         ugeth_dump_regs(ugeth);
3369
3370         if (dev->flags & IFF_UP) {
3371                 ucc_geth_stop(ugeth);
3372                 ucc_geth_startup(ugeth);
3373         }
3374
3375         netif_schedule(dev);
3376 }
3377
3378 /* This is called by the kernel when a frame is ready for transmission. */
3379 /* It is pointed to by the dev->hard_start_xmit function pointer */
3380 static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3381 {
3382         struct ucc_geth_private *ugeth = netdev_priv(dev);
3383 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3384         struct ucc_fast_private *uccf;
3385 #endif
3386         u8 __iomem *bd;                 /* BD pointer */
3387         u32 bd_status;
3388         u8 txQ = 0;
3389
3390         ugeth_vdbg("%s: IN", __FUNCTION__);
3391
3392         spin_lock_irq(&ugeth->lock);
3393
3394         dev->stats.tx_bytes += skb->len;
3395
3396         /* Start from the next BD that should be filled */
3397         bd = ugeth->txBd[txQ];
3398         bd_status = in_be32((u32 __iomem *)bd);
3399         /* Save the skb pointer so we can free it later */
3400         ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3401
3402         /* Update the current skb pointer (wrapping if this was the last) */
3403         ugeth->skb_curtx[txQ] =
3404             (ugeth->skb_curtx[txQ] +
3405              1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3406
3407         /* set up the buffer descriptor */
3408         out_be32(&((struct qe_bd __iomem *)bd)->buf,
3409                       dma_map_single(&ugeth->dev->dev, skb->data,
3410                               skb->len, DMA_TO_DEVICE));
3411
3412         /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
3413
3414         bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3415
3416         /* set bd status and length */
3417         out_be32((u32 __iomem *)bd, bd_status);
3418
3419         dev->trans_start = jiffies;
3420
3421         /* Move to next BD in the ring */
3422         if (!(bd_status & T_W))
3423                 bd += sizeof(struct qe_bd);
3424         else
3425                 bd = ugeth->p_tx_bd_ring[txQ];
3426
3427         /* If the next BD still needs to be cleaned up, then the bds
3428            are full.  We need to tell the kernel to stop sending us stuff. */
3429         if (bd == ugeth->confBd[txQ]) {
3430                 if (!netif_queue_stopped(dev))
3431                         netif_stop_queue(dev);
3432         }
3433
3434         ugeth->txBd[txQ] = bd;
3435
3436         if (ugeth->p_scheduler) {
3437                 ugeth->cpucount[txQ]++;
3438                 /* Indicate to QE that there are more Tx bds ready for
3439                 transmission */
3440                 /* This is done by writing a running counter of the bd
3441                 count to the scheduler PRAM. */
3442                 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3443         }
3444
3445 #ifdef CONFIG_UGETH_TX_ON_DEMAND
3446         uccf = ugeth->uccf;
3447         out_be16(uccf->p_utodr, UCC_FAST_TOD);
3448 #endif
3449         spin_unlock_irq(&ugeth->lock);
3450
3451         return 0;
3452 }
3453
3454 static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
3455 {
3456         struct sk_buff *skb;
3457         u8 __iomem *bd;
3458         u16 length, howmany = 0;
3459         u32 bd_status;
3460         u8 *bdBuffer;
3461         struct net_device *dev;
3462
3463         ugeth_vdbg("%s: IN", __FUNCTION__);
3464
3465         dev = ugeth->dev;
3466
3467         /* collect received buffers */
3468         bd = ugeth->rxBd[rxQ];
3469
3470         bd_status = in_be32((u32 __iomem *)bd);
3471
3472         /* while there are received buffers and BD is full (~R_E) */
3473         while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
3474                 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
3475                 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3476                 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3477
3478                 /* determine whether buffer is first, last, first and last
3479                 (single buffer frame) or middle (not first and not last) */
3480                 if (!skb ||
3481                     (!(bd_status & (R_F | R_L))) ||
3482                     (bd_status & R_ERRORS_FATAL)) {
3483                         if (netif_msg_rx_err(ugeth))
3484                                 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
3485                                            __FUNCTION__, __LINE__, (u32) skb);
3486                         if (skb)
3487                                 dev_kfree_skb_any(skb);
3488
3489                         ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
3490                         dev->stats.rx_dropped++;
3491                 } else {
3492                         dev->stats.rx_packets++;
3493                         howmany++;
3494
3495                         /* Prep the skb for the packet */
3496                         skb_put(skb, length);
3497
3498                         /* Tell the skb what kind of packet this is */
3499                         skb->protocol = eth_type_trans(skb, ugeth->dev);
3500
3501                         dev->stats.rx_bytes += length;
3502                         /* Send the packet up the stack */
3503 #ifdef CONFIG_UGETH_NAPI
3504                         netif_receive_skb(skb);
3505 #else
3506                         netif_rx(skb);
3507 #endif                          /* CONFIG_UGETH_NAPI */
3508                 }
3509
3510                 ugeth->dev->last_rx = jiffies;
3511
3512                 skb = get_new_skb(ugeth, bd);
3513                 if (!skb) {
3514                         if (netif_msg_rx_err(ugeth))
3515                                 ugeth_warn("%s: No Rx Data Buffer", __FUNCTION__);
3516                         dev->stats.rx_dropped++;
3517                         break;
3518                 }
3519
3520                 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3521
3522                 /* update to point at the next skb */
3523                 ugeth->skb_currx[rxQ] =
3524                     (ugeth->skb_currx[rxQ] +
3525                      1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3526
3527                 if (bd_status & R_W)
3528                         bd = ugeth->p_rx_bd_ring[rxQ];
3529                 else
3530                         bd += sizeof(struct qe_bd);
3531
3532                 bd_status = in_be32((u32 __iomem *)bd);
3533         }
3534
3535         ugeth->rxBd[rxQ] = bd;
3536         return howmany;
3537 }
3538
3539 static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3540 {
3541         /* Start from the next BD that should be filled */
3542         struct ucc_geth_private *ugeth = netdev_priv(dev);
3543         u8 __iomem *bd;         /* BD pointer */
3544         u32 bd_status;
3545
3546         bd = ugeth->confBd[txQ];
3547         bd_status = in_be32((u32 __iomem *)bd);
3548
3549         /* Normal processing. */
3550         while ((bd_status & T_R) == 0) {
3551                 /* BD contains already transmitted buffer.   */
3552                 /* Handle the transmitted buffer and release */
3553                 /* the BD to be used with the current frame  */
3554
3555                 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
3556                         break;
3557
3558                 dev->stats.tx_packets++;
3559
3560                 /* Free the sk buffer associated with this TxBD */
3561                 dev_kfree_skb_irq(ugeth->
3562                                   tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3563                 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3564                 ugeth->skb_dirtytx[txQ] =
3565                     (ugeth->skb_dirtytx[txQ] +
3566                      1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3567
3568                 /* We freed a buffer, so now we can restart transmission */
3569                 if (netif_queue_stopped(dev))
3570                         netif_wake_queue(dev);
3571
3572                 /* Advance the confirmation BD pointer */
3573                 if (!(bd_status & T_W))
3574                         bd += sizeof(struct qe_bd);
3575                 else
3576                         bd = ugeth->p_tx_bd_ring[txQ];
3577                 bd_status = in_be32((u32 __iomem *)bd);
3578         }
3579         ugeth->confBd[txQ] = bd;
3580         return 0;
3581 }
3582
3583 #ifdef CONFIG_UGETH_NAPI
3584 static int ucc_geth_poll(struct napi_struct *napi, int budget)
3585 {
3586         struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
3587         struct net_device *dev = ugeth->dev;
3588         struct ucc_geth_info *ug_info;
3589         int howmany, i;
3590
3591         ug_info = ugeth->ug_info;
3592
3593         howmany = 0;
3594         for (i = 0; i < ug_info->numQueuesRx; i++)
3595                 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
3596
3597         if (howmany < budget) {
3598                 struct ucc_fast_private *uccf;
3599                 u32 uccm;
3600
3601                 netif_rx_complete(dev, napi);
3602                 uccf = ugeth->uccf;
3603                 uccm = in_be32(uccf->p_uccm);
3604                 uccm |= UCCE_RX_EVENTS;
3605                 out_be32(uccf->p_uccm, uccm);
3606         }
3607
3608         return howmany;
3609 }
3610 #endif                          /* CONFIG_UGETH_NAPI */
3611
3612 static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
3613 {
3614         struct net_device *dev = info;
3615         struct ucc_geth_private *ugeth = netdev_priv(dev);
3616         struct ucc_fast_private *uccf;
3617         struct ucc_geth_info *ug_info;
3618         register u32 ucce;
3619         register u32 uccm;
3620 #ifndef CONFIG_UGETH_NAPI
3621         register u32 rx_mask;
3622 #endif
3623         register u32 tx_mask;
3624         u8 i;
3625
3626         ugeth_vdbg("%s: IN", __FUNCTION__);
3627
3628         uccf = ugeth->uccf;
3629         ug_info = ugeth->ug_info;
3630
3631         /* read and clear events */
3632         ucce = (u32) in_be32(uccf->p_ucce);
3633         uccm = (u32) in_be32(uccf->p_uccm);
3634         ucce &= uccm;
3635         out_be32(uccf->p_ucce, ucce);
3636
3637         /* check for receive events that require processing */
3638         if (ucce & UCCE_RX_EVENTS) {
3639 #ifdef CONFIG_UGETH_NAPI
3640                 if (netif_rx_schedule_prep(dev, &ugeth->napi)) {
3641                         uccm &= ~UCCE_RX_EVENTS;
3642                         out_be32(uccf->p_uccm, uccm);
3643                         __netif_rx_schedule(dev, &ugeth->napi);
3644                 }
3645 #else
3646                 rx_mask = UCCE_RXBF_SINGLE_MASK;
3647                 for (i = 0; i < ug_info->numQueuesRx; i++) {
3648                         if (ucce & rx_mask)
3649                                 ucc_geth_rx(ugeth, i, (int)ugeth->ug_info->bdRingLenRx[i]);
3650                         ucce &= ~rx_mask;
3651                         rx_mask <<= 1;
3652                 }
3653 #endif /* CONFIG_UGETH_NAPI */
3654         }
3655
3656         /* Tx event processing */
3657         if (ucce & UCCE_TX_EVENTS) {
3658                 spin_lock(&ugeth->lock);
3659                 tx_mask = UCCE_TXBF_SINGLE_MASK;
3660                 for (i = 0; i < ug_info->numQueuesTx; i++) {
3661                         if (ucce & tx_mask)
3662                                 ucc_geth_tx(dev, i);
3663                         ucce &= ~tx_mask;
3664                         tx_mask <<= 1;
3665                 }
3666                 spin_unlock(&ugeth->lock);
3667         }
3668
3669         /* Errors and other events */
3670         if (ucce & UCCE_OTHER) {
3671                 if (ucce & UCCE_BSY) {
3672                         dev->stats.rx_errors++;
3673                 }
3674                 if (ucce & UCCE_TXE) {
3675                         dev->stats.tx_errors++;
3676                 }
3677         }
3678
3679         return IRQ_HANDLED;
3680 }
3681
3682 #ifdef CONFIG_NET_POLL_CONTROLLER
3683 /*
3684  * Polling 'interrupt' - used by things like netconsole to send skbs
3685  * without having to re-enable interrupts. It's not called while
3686  * the interrupt routine is executing.
3687  */
3688 static void ucc_netpoll(struct net_device *dev)
3689 {
3690         struct ucc_geth_private *ugeth = netdev_priv(dev);
3691         int irq = ugeth->ug_info->uf_info.irq;
3692
3693         disable_irq(irq);
3694         ucc_geth_irq_handler(irq, dev);
3695         enable_irq(irq);
3696 }
3697 #endif /* CONFIG_NET_POLL_CONTROLLER */
3698
3699 /* Called when something needs to use the ethernet device */
3700 /* Returns 0 for success. */
3701 static int ucc_geth_open(struct net_device *dev)
3702 {
3703         struct ucc_geth_private *ugeth = netdev_priv(dev);
3704         int err;
3705
3706         ugeth_vdbg("%s: IN", __FUNCTION__);
3707
3708         /* Test station address */
3709         if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
3710                 if (netif_msg_ifup(ugeth))
3711                         ugeth_err("%s: Multicast address used for station address"
3712                                   " - is this what you wanted?", __FUNCTION__);
3713                 return -EINVAL;
3714         }
3715
3716         err = ucc_struct_init(ugeth);
3717         if (err) {
3718                 if (netif_msg_ifup(ugeth))
3719                         ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
3720                 return err;
3721         }
3722
3723 #ifdef CONFIG_UGETH_NAPI
3724         napi_enable(&ugeth->napi);
3725 #endif
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 #ifdef CONFIG_UGETH_NAPI
3787         napi_disable(&ugeth->napi);
3788 #endif
3789         return err;
3790 }
3791
3792 /* Stops the kernel queue, and halts the controller */
3793 static int ucc_geth_close(struct net_device *dev)
3794 {
3795         struct ucc_geth_private *ugeth = netdev_priv(dev);
3796
3797         ugeth_vdbg("%s: IN", __FUNCTION__);
3798
3799 #ifdef CONFIG_UGETH_NAPI
3800         napi_disable(&ugeth->napi);
3801 #endif
3802
3803         ucc_geth_stop(ugeth);
3804
3805         phy_disconnect(ugeth->phydev);
3806         ugeth->phydev = NULL;
3807
3808         netif_stop_queue(dev);
3809
3810         return 0;
3811 }
3812
3813 static phy_interface_t to_phy_interface(const char *phy_connection_type)
3814 {
3815         if (strcasecmp(phy_connection_type, "mii") == 0)
3816                 return PHY_INTERFACE_MODE_MII;
3817         if (strcasecmp(phy_connection_type, "gmii") == 0)
3818                 return PHY_INTERFACE_MODE_GMII;
3819         if (strcasecmp(phy_connection_type, "tbi") == 0)
3820                 return PHY_INTERFACE_MODE_TBI;
3821         if (strcasecmp(phy_connection_type, "rmii") == 0)
3822                 return PHY_INTERFACE_MODE_RMII;
3823         if (strcasecmp(phy_connection_type, "rgmii") == 0)
3824                 return PHY_INTERFACE_MODE_RGMII;
3825         if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
3826                 return PHY_INTERFACE_MODE_RGMII_ID;
3827         if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3828                 return PHY_INTERFACE_MODE_RGMII_TXID;
3829         if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3830                 return PHY_INTERFACE_MODE_RGMII_RXID;
3831         if (strcasecmp(phy_connection_type, "rtbi") == 0)
3832                 return PHY_INTERFACE_MODE_RTBI;
3833
3834         return PHY_INTERFACE_MODE_MII;
3835 }
3836
3837 static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
3838 {
3839         struct device *device = &ofdev->dev;
3840         struct device_node *np = ofdev->node;
3841         struct device_node *mdio;
3842         struct net_device *dev = NULL;
3843         struct ucc_geth_private *ugeth = NULL;
3844         struct ucc_geth_info *ug_info;
3845         struct resource res;
3846         struct device_node *phy;
3847         int err, ucc_num, max_speed = 0;
3848         const phandle *ph;
3849         const u32 *fixed_link;
3850         const unsigned int *prop;
3851         const char *sprop;
3852         const void *mac_addr;
3853         phy_interface_t phy_interface;
3854         static const int enet_to_speed[] = {
3855                 SPEED_10, SPEED_10, SPEED_10,
3856                 SPEED_100, SPEED_100, SPEED_100,
3857                 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3858         };
3859         static const phy_interface_t enet_to_phy_interface[] = {
3860                 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3861                 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3862                 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3863                 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3864                 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3865         };
3866
3867         ugeth_vdbg("%s: IN", __FUNCTION__);
3868
3869         prop = of_get_property(np, "cell-index", NULL);
3870         if (!prop) {
3871                 prop = of_get_property(np, "device-id", NULL);
3872                 if (!prop)
3873                         return -ENODEV;
3874         }
3875
3876         ucc_num = *prop - 1;
3877         if ((ucc_num < 0) || (ucc_num > 7))
3878                 return -ENODEV;
3879
3880         ug_info = &ugeth_info[ucc_num];
3881         if (ug_info == NULL) {
3882                 if (netif_msg_probe(&debug))
3883                         ugeth_err("%s: [%d] Missing additional data!",
3884                                         __FUNCTION__, ucc_num);
3885                 return -ENODEV;
3886         }
3887
3888         ug_info->uf_info.ucc_num = ucc_num;
3889
3890         sprop = of_get_property(np, "rx-clock-name", NULL);
3891         if (sprop) {
3892                 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3893                 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3894                     (ug_info->uf_info.rx_clock > QE_CLK24)) {
3895                         printk(KERN_ERR
3896                                 "ucc_geth: invalid rx-clock-name property\n");
3897                         return -EINVAL;
3898                 }
3899         } else {
3900                 prop = of_get_property(np, "rx-clock", NULL);
3901                 if (!prop) {
3902                         /* If both rx-clock-name and rx-clock are missing,
3903                            we want to tell people to use rx-clock-name. */
3904                         printk(KERN_ERR
3905                                 "ucc_geth: missing rx-clock-name property\n");
3906                         return -EINVAL;
3907                 }
3908                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3909                         printk(KERN_ERR
3910                                 "ucc_geth: invalid rx-clock propperty\n");
3911                         return -EINVAL;
3912                 }
3913                 ug_info->uf_info.rx_clock = *prop;
3914         }
3915
3916         sprop = of_get_property(np, "tx-clock-name", NULL);
3917         if (sprop) {
3918                 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3919                 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3920                     (ug_info->uf_info.tx_clock > QE_CLK24)) {
3921                         printk(KERN_ERR
3922                                 "ucc_geth: invalid tx-clock-name property\n");
3923                         return -EINVAL;
3924                 }
3925         } else {
3926                 prop = of_get_property(np, "tx-clock", NULL);
3927                 if (!prop) {
3928                         printk(KERN_ERR
3929                                 "ucc_geth: mising tx-clock-name property\n");
3930                         return -EINVAL;
3931                 }
3932                 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3933                         printk(KERN_ERR
3934                                 "ucc_geth: invalid tx-clock property\n");
3935                         return -EINVAL;
3936                 }
3937                 ug_info->uf_info.tx_clock = *prop;
3938         }
3939
3940         err = of_address_to_resource(np, 0, &res);
3941         if (err)
3942                 return -EINVAL;
3943
3944         ug_info->uf_info.regs = res.start;
3945         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
3946         fixed_link = of_get_property(np, "fixed-link", NULL);
3947         if (fixed_link) {
3948                 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
3949                 ug_info->phy_address = fixed_link[0];
3950                 phy = NULL;
3951         } else {
3952                 ph = of_get_property(np, "phy-handle", NULL);
3953                 phy = of_find_node_by_phandle(*ph);
3954
3955                 if (phy == NULL)
3956                         return -ENODEV;
3957
3958                 /* set the PHY address */
3959                 prop = of_get_property(phy, "reg", NULL);
3960                 if (prop == NULL)
3961                         return -1;
3962                 ug_info->phy_address = *prop;
3963
3964                 /* Set the bus id */
3965                 mdio = of_get_parent(phy);
3966
3967                 if (mdio == NULL)
3968                         return -1;
3969
3970                 err = of_address_to_resource(mdio, 0, &res);
3971                 of_node_put(mdio);
3972
3973                 if (err)
3974                         return -1;
3975
3976                 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
3977         }
3978
3979         /* get the phy interface type, or default to MII */
3980         prop = of_get_property(np, "phy-connection-type", NULL);
3981         if (!prop) {
3982                 /* handle interface property present in old trees */
3983                 prop = of_get_property(phy, "interface", NULL);
3984                 if (prop != NULL) {
3985                         phy_interface = enet_to_phy_interface[*prop];
3986                         max_speed = enet_to_speed[*prop];
3987                 } else
3988                         phy_interface = PHY_INTERFACE_MODE_MII;
3989         } else {
3990                 phy_interface = to_phy_interface((const char *)prop);
3991         }
3992
3993         /* get speed, or derive from PHY interface */
3994         if (max_speed == 0)
3995                 switch (phy_interface) {
3996                 case PHY_INTERFACE_MODE_GMII:
3997                 case PHY_INTERFACE_MODE_RGMII:
3998                 case PHY_INTERFACE_MODE_RGMII_ID:
3999                 case PHY_INTERFACE_MODE_RGMII_RXID:
4000                 case PHY_INTERFACE_MODE_RGMII_TXID:
4001                 case PHY_INTERFACE_MODE_TBI:
4002                 case PHY_INTERFACE_MODE_RTBI:
4003                         max_speed = SPEED_1000;
4004                         break;
4005                 default:
4006                         max_speed = SPEED_100;
4007                         break;
4008                 }
4009
4010         if (max_speed == SPEED_1000) {
4011                 /* configure muram FIFOs for gigabit operation */
4012                 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
4013                 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
4014                 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
4015                 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
4016                 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
4017                 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
4018                 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
4019                 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
4020         }
4021
4022         if (netif_msg_probe(&debug))
4023                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
4024                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
4025                         ug_info->uf_info.irq);
4026
4027         /* Create an ethernet device instance */
4028         dev = alloc_etherdev(sizeof(*ugeth));
4029
4030         if (dev == NULL)
4031                 return -ENOMEM;
4032
4033         ugeth = netdev_priv(dev);
4034         spin_lock_init(&ugeth->lock);
4035
4036         /* Create CQs for hash tables */
4037         INIT_LIST_HEAD(&ugeth->group_hash_q);
4038         INIT_LIST_HEAD(&ugeth->ind_hash_q);
4039
4040         dev_set_drvdata(device, dev);
4041
4042         /* Set the dev->base_addr to the gfar reg region */
4043         dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
4044
4045         SET_NETDEV_DEV(dev, device);
4046
4047         /* Fill in the dev structure */
4048         uec_set_ethtool_ops(dev);
4049         dev->open = ucc_geth_open;
4050         dev->hard_start_xmit = ucc_geth_start_xmit;
4051         dev->tx_timeout = ucc_geth_timeout;
4052         dev->watchdog_timeo = TX_TIMEOUT;
4053 #ifdef CONFIG_UGETH_NAPI
4054         netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
4055 #endif                          /* CONFIG_UGETH_NAPI */
4056 #ifdef CONFIG_NET_POLL_CONTROLLER
4057         dev->poll_controller = ucc_netpoll;
4058 #endif
4059         dev->stop = ucc_geth_close;
4060 //    dev->change_mtu = ucc_geth_change_mtu;
4061         dev->mtu = 1500;
4062         dev->set_multicast_list = ucc_geth_set_multi;
4063
4064         ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
4065         ugeth->phy_interface = phy_interface;
4066         ugeth->max_speed = max_speed;
4067
4068         err = register_netdev(dev);
4069         if (err) {
4070                 if (netif_msg_probe(ugeth))
4071                         ugeth_err("%s: Cannot register net device, aborting.",
4072                                   dev->name);
4073                 free_netdev(dev);
4074                 return err;
4075         }
4076
4077         mac_addr = of_get_mac_address(np);
4078         if (mac_addr)
4079                 memcpy(dev->dev_addr, mac_addr, 6);
4080
4081         ugeth->ug_info = ug_info;
4082         ugeth->dev = dev;
4083
4084         return 0;
4085 }
4086
4087 static int ucc_geth_remove(struct of_device* ofdev)
4088 {
4089         struct device *device = &ofdev->dev;
4090         struct net_device *dev = dev_get_drvdata(device);
4091         struct ucc_geth_private *ugeth = netdev_priv(dev);
4092
4093         unregister_netdev(dev);
4094         free_netdev(dev);
4095         ucc_geth_memclean(ugeth);
4096         dev_set_drvdata(device, NULL);
4097
4098         return 0;
4099 }
4100
4101 static struct of_device_id ucc_geth_match[] = {
4102         {
4103                 .type = "network",
4104                 .compatible = "ucc_geth",
4105         },
4106         {},
4107 };
4108
4109 MODULE_DEVICE_TABLE(of, ucc_geth_match);
4110
4111 static struct of_platform_driver ucc_geth_driver = {
4112         .name           = DRV_NAME,
4113         .match_table    = ucc_geth_match,
4114         .probe          = ucc_geth_probe,
4115         .remove         = ucc_geth_remove,
4116 };
4117
4118 static int __init ucc_geth_init(void)
4119 {
4120         int i, ret;
4121
4122         ret = uec_mdio_init();
4123
4124         if (ret)
4125                 return ret;
4126
4127         if (netif_msg_drv(&debug))
4128                 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
4129         for (i = 0; i < 8; i++)
4130                 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
4131                        sizeof(ugeth_primary_info));
4132
4133         ret = of_register_platform_driver(&ucc_geth_driver);
4134
4135         if (ret)
4136                 uec_mdio_exit();
4137
4138         return ret;
4139 }
4140
4141 static void __exit ucc_geth_exit(void)
4142 {
4143         of_unregister_platform_driver(&ucc_geth_driver);
4144         uec_mdio_exit();
4145 }
4146
4147 module_init(ucc_geth_init);
4148 module_exit(ucc_geth_exit);
4149
4150 MODULE_AUTHOR("Freescale Semiconductor, Inc");
4151 MODULE_DESCRIPTION(DRV_DESC);
4152 MODULE_VERSION(DRV_VERSION);
4153 MODULE_LICENSE("GPL");