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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
ce973b14 | 2 | /* |
047584ce | 3 | * Copyright (C) 2006-2009 Freescale Semicondutor, Inc. All rights reserved. |
ce973b14 LY |
4 | * |
5 | * Author: Shlomi Gridish <gridish@freescale.com> | |
18a8e864 | 6 | * Li Yang <leoli@freescale.com> |
ce973b14 LY |
7 | * |
8 | * Description: | |
9 | * QE UCC Gigabit Ethernet Driver | |
ce973b14 | 10 | */ |
c84d8055 JP |
11 | |
12 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
13 | ||
ce973b14 LY |
14 | #include <linux/kernel.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/errno.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/stddef.h> | |
9d9779e7 | 19 | #include <linux/module.h> |
ce973b14 LY |
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> | |
ce973b14 | 26 | #include <linux/dma-mapping.h> |
ce973b14 | 27 | #include <linux/mii.h> |
728de4c9 | 28 | #include <linux/phy.h> |
a28777f2 | 29 | #include <linux/phy_fixed.h> |
df19b6b0 | 30 | #include <linux/workqueue.h> |
5af50730 RH |
31 | #include <linux/of_address.h> |
32 | #include <linux/of_irq.h> | |
0b9da337 | 33 | #include <linux/of_mdio.h> |
4b6ba8aa | 34 | #include <linux/of_net.h> |
55b6c8e9 | 35 | #include <linux/of_platform.h> |
ce973b14 | 36 | |
7c0f6ba6 | 37 | #include <linux/uaccess.h> |
ce973b14 LY |
38 | #include <asm/irq.h> |
39 | #include <asm/io.h> | |
7aa1aa6e ZQ |
40 | #include <soc/fsl/qe/immap_qe.h> |
41 | #include <soc/fsl/qe/qe.h> | |
42 | #include <soc/fsl/qe/ucc.h> | |
43 | #include <soc/fsl/qe/ucc_fast.h> | |
81abb43a | 44 | #include <asm/machdep.h> |
ce973b14 LY |
45 | |
46 | #include "ucc_geth.h" | |
ce973b14 LY |
47 | |
48 | #undef DEBUG | |
49 | ||
ce973b14 LY |
50 | #define ugeth_printk(level, format, arg...) \ |
51 | printk(level format "\n", ## arg) | |
52 | ||
53 | #define ugeth_dbg(format, arg...) \ | |
54 | ugeth_printk(KERN_DEBUG , format , ## arg) | |
ce973b14 LY |
55 | |
56 | #ifdef UGETH_VERBOSE_DEBUG | |
57 | #define ugeth_vdbg ugeth_dbg | |
58 | #else | |
59 | #define ugeth_vdbg(fmt, args...) do { } while (0) | |
60 | #endif /* UGETH_VERBOSE_DEBUG */ | |
890de95e | 61 | #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1 |
ce973b14 | 62 | |
88a15f2e | 63 | |
ce973b14 LY |
64 | static DEFINE_SPINLOCK(ugeth_lock); |
65 | ||
890de95e LY |
66 | static struct { |
67 | u32 msg_enable; | |
68 | } debug = { -1 }; | |
69 | ||
70 | module_param_named(debug, debug.msg_enable, int, 0); | |
71 | MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)"); | |
72 | ||
18a8e864 | 73 | static struct ucc_geth_info ugeth_primary_info = { |
ce973b14 LY |
74 | .uf_info = { |
75 | .bd_mem_part = MEM_PART_SYSTEM, | |
76 | .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES, | |
77 | .max_rx_buf_length = 1536, | |
728de4c9 | 78 | /* adjusted at startup if max-speed 1000 */ |
ce973b14 LY |
79 | .urfs = UCC_GETH_URFS_INIT, |
80 | .urfet = UCC_GETH_URFET_INIT, | |
81 | .urfset = UCC_GETH_URFSET_INIT, | |
82 | .utfs = UCC_GETH_UTFS_INIT, | |
83 | .utfet = UCC_GETH_UTFET_INIT, | |
84 | .utftt = UCC_GETH_UTFTT_INIT, | |
ce973b14 LY |
85 | .ufpt = 256, |
86 | .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET, | |
87 | .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL, | |
88 | .tenc = UCC_FAST_TX_ENCODING_NRZ, | |
89 | .renc = UCC_FAST_RX_ENCODING_NRZ, | |
90 | .tcrc = UCC_FAST_16_BIT_CRC, | |
91 | .synl = UCC_FAST_SYNC_LEN_NOT_USED, | |
92 | }, | |
93 | .numQueuesTx = 1, | |
94 | .numQueuesRx = 1, | |
95 | .extendedFilteringChainPointer = ((uint32_t) NULL), | |
96 | .typeorlen = 3072 /*1536 */ , | |
97 | .nonBackToBackIfgPart1 = 0x40, | |
98 | .nonBackToBackIfgPart2 = 0x60, | |
99 | .miminumInterFrameGapEnforcement = 0x50, | |
100 | .backToBackInterFrameGap = 0x60, | |
101 | .mblinterval = 128, | |
102 | .nortsrbytetime = 5, | |
103 | .fracsiz = 1, | |
104 | .strictpriorityq = 0xff, | |
105 | .altBebTruncation = 0xa, | |
106 | .excessDefer = 1, | |
107 | .maxRetransmission = 0xf, | |
108 | .collisionWindow = 0x37, | |
109 | .receiveFlowControl = 1, | |
ac421852 | 110 | .transmitFlowControl = 1, |
ce973b14 LY |
111 | .maxGroupAddrInHash = 4, |
112 | .maxIndAddrInHash = 4, | |
113 | .prel = 7, | |
70f8002d | 114 | .maxFrameLength = 1518+16, /* Add extra bytes for VLANs etc. */ |
ce973b14 | 115 | .minFrameLength = 64, |
70f8002d JT |
116 | .maxD1Length = 1520+16, /* Add extra bytes for VLANs etc. */ |
117 | .maxD2Length = 1520+16, /* Add extra bytes for VLANs etc. */ | |
ce973b14 LY |
118 | .vlantype = 0x8100, |
119 | .ecamptr = ((uint32_t) NULL), | |
120 | .eventRegMask = UCCE_OTHER, | |
121 | .pausePeriod = 0xf000, | |
122 | .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1}, | |
123 | .bdRingLenTx = { | |
124 | TX_BD_RING_LEN, | |
125 | TX_BD_RING_LEN, | |
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 | ||
133 | .bdRingLenRx = { | |
134 | RX_BD_RING_LEN, | |
135 | RX_BD_RING_LEN, | |
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 | ||
143 | .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1, | |
144 | .largestexternallookupkeysize = | |
145 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE, | |
ac421852 LY |
146 | .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE | |
147 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX | | |
148 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX, | |
ce973b14 LY |
149 | .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP, |
150 | .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP, | |
151 | .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT, | |
152 | .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE, | |
153 | .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC, | |
ffea31ed JT |
154 | .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1, |
155 | .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1, | |
ce973b14 LY |
156 | .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, |
157 | .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, | |
158 | }; | |
159 | ||
18a8e864 | 160 | static struct ucc_geth_info ugeth_info[8]; |
ce973b14 LY |
161 | |
162 | #ifdef DEBUG | |
163 | static void mem_disp(u8 *addr, int size) | |
164 | { | |
165 | u8 *i; | |
166 | int size16Aling = (size >> 4) << 4; | |
167 | int size4Aling = (size >> 2) << 2; | |
168 | int notAlign = 0; | |
169 | if (size % 16) | |
170 | notAlign = 1; | |
171 | ||
172 | for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16) | |
173 | printk("0x%08x: %08x %08x %08x %08x\r\n", | |
174 | (u32) i, | |
175 | *((u32 *) (i)), | |
176 | *((u32 *) (i + 4)), | |
177 | *((u32 *) (i + 8)), *((u32 *) (i + 12))); | |
178 | if (notAlign == 1) | |
179 | printk("0x%08x: ", (u32) i); | |
180 | for (; (u32) i < (u32) addr + size4Aling; i += 4) | |
181 | printk("%08x ", *((u32 *) (i))); | |
182 | for (; (u32) i < (u32) addr + size; i++) | |
64699336 | 183 | printk("%02x", *((i))); |
ce973b14 LY |
184 | if (notAlign == 1) |
185 | printk("\r\n"); | |
186 | } | |
187 | #endif /* DEBUG */ | |
188 | ||
ce973b14 LY |
189 | static struct list_head *dequeue(struct list_head *lh) |
190 | { | |
191 | unsigned long flags; | |
192 | ||
1083cfe1 | 193 | spin_lock_irqsave(&ugeth_lock, flags); |
ce973b14 LY |
194 | if (!list_empty(lh)) { |
195 | struct list_head *node = lh->next; | |
196 | list_del(node); | |
1083cfe1 | 197 | spin_unlock_irqrestore(&ugeth_lock, flags); |
ce973b14 LY |
198 | return node; |
199 | } else { | |
1083cfe1 | 200 | spin_unlock_irqrestore(&ugeth_lock, flags); |
ce973b14 LY |
201 | return NULL; |
202 | } | |
203 | } | |
204 | ||
6fee40e9 AF |
205 | static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, |
206 | u8 __iomem *bd) | |
ce973b14 | 207 | { |
acb600de | 208 | struct sk_buff *skb; |
ce973b14 | 209 | |
acb600de ED |
210 | skb = netdev_alloc_skb(ugeth->ndev, |
211 | ugeth->ug_info->uf_info.max_rx_buf_length + | |
212 | UCC_GETH_RX_DATA_BUF_ALIGNMENT); | |
50f238fd | 213 | if (!skb) |
ce973b14 LY |
214 | return NULL; |
215 | ||
216 | /* We need the data buffer to be aligned properly. We will reserve | |
217 | * as many bytes as needed to align the data properly | |
218 | */ | |
219 | skb_reserve(skb, | |
220 | UCC_GETH_RX_DATA_BUF_ALIGNMENT - | |
221 | (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT - | |
222 | 1))); | |
223 | ||
6fee40e9 | 224 | out_be32(&((struct qe_bd __iomem *)bd)->buf, |
da1aa63e | 225 | dma_map_single(ugeth->dev, |
ce973b14 LY |
226 | skb->data, |
227 | ugeth->ug_info->uf_info.max_rx_buf_length + | |
228 | UCC_GETH_RX_DATA_BUF_ALIGNMENT, | |
229 | DMA_FROM_DEVICE)); | |
230 | ||
6fee40e9 AF |
231 | out_be32((u32 __iomem *)bd, |
232 | (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W))); | |
ce973b14 LY |
233 | |
234 | return skb; | |
235 | } | |
236 | ||
18a8e864 | 237 | static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ) |
ce973b14 | 238 | { |
6fee40e9 | 239 | u8 __iomem *bd; |
ce973b14 LY |
240 | u32 bd_status; |
241 | struct sk_buff *skb; | |
242 | int i; | |
243 | ||
244 | bd = ugeth->p_rx_bd_ring[rxQ]; | |
245 | i = 0; | |
246 | ||
247 | do { | |
6fee40e9 | 248 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
249 | skb = get_new_skb(ugeth, bd); |
250 | ||
251 | if (!skb) /* If can not allocate data buffer, | |
252 | abort. Cleanup will be elsewhere */ | |
253 | return -ENOMEM; | |
254 | ||
255 | ugeth->rx_skbuff[rxQ][i] = skb; | |
256 | ||
257 | /* advance the BD pointer */ | |
18a8e864 | 258 | bd += sizeof(struct qe_bd); |
ce973b14 LY |
259 | i++; |
260 | } while (!(bd_status & R_W)); | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
18a8e864 | 265 | static int fill_init_enet_entries(struct ucc_geth_private *ugeth, |
6fee40e9 | 266 | u32 *p_start, |
ce973b14 LY |
267 | u8 num_entries, |
268 | u32 thread_size, | |
269 | u32 thread_alignment, | |
345f8422 | 270 | unsigned int risc, |
ce973b14 LY |
271 | int skip_page_for_first_entry) |
272 | { | |
273 | u32 init_enet_offset; | |
274 | u8 i; | |
275 | int snum; | |
276 | ||
277 | for (i = 0; i < num_entries; i++) { | |
278 | if ((snum = qe_get_snum()) < 0) { | |
890de95e | 279 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 280 | pr_err("Can not get SNUM\n"); |
ce973b14 LY |
281 | return snum; |
282 | } | |
283 | if ((i == 0) && skip_page_for_first_entry) | |
284 | /* First entry of Rx does not have page */ | |
285 | init_enet_offset = 0; | |
286 | else { | |
287 | init_enet_offset = | |
288 | qe_muram_alloc(thread_size, thread_alignment); | |
4c35630c | 289 | if (IS_ERR_VALUE(init_enet_offset)) { |
890de95e | 290 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 291 | pr_err("Can not allocate DPRAM memory\n"); |
ce973b14 LY |
292 | qe_put_snum((u8) snum); |
293 | return -ENOMEM; | |
294 | } | |
295 | } | |
296 | *(p_start++) = | |
297 | ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset | |
298 | | risc; | |
299 | } | |
300 | ||
301 | return 0; | |
302 | } | |
303 | ||
18a8e864 | 304 | static int return_init_enet_entries(struct ucc_geth_private *ugeth, |
6fee40e9 | 305 | u32 *p_start, |
ce973b14 | 306 | u8 num_entries, |
345f8422 | 307 | unsigned int risc, |
ce973b14 LY |
308 | int skip_page_for_first_entry) |
309 | { | |
310 | u32 init_enet_offset; | |
311 | u8 i; | |
312 | int snum; | |
313 | ||
314 | for (i = 0; i < num_entries; i++) { | |
6fee40e9 AF |
315 | u32 val = *p_start; |
316 | ||
ce973b14 LY |
317 | /* Check that this entry was actually valid -- |
318 | needed in case failed in allocations */ | |
6fee40e9 | 319 | if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) { |
ce973b14 | 320 | snum = |
6fee40e9 | 321 | (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >> |
ce973b14 LY |
322 | ENET_INIT_PARAM_SNUM_SHIFT; |
323 | qe_put_snum((u8) snum); | |
324 | if (!((i == 0) && skip_page_for_first_entry)) { | |
325 | /* First entry of Rx does not have page */ | |
326 | init_enet_offset = | |
6fee40e9 | 327 | (val & ENET_INIT_PARAM_PTR_MASK); |
ce973b14 LY |
328 | qe_muram_free(init_enet_offset); |
329 | } | |
6fee40e9 | 330 | *p_start++ = 0; |
ce973b14 LY |
331 | } |
332 | } | |
333 | ||
334 | return 0; | |
335 | } | |
336 | ||
337 | #ifdef DEBUG | |
18a8e864 | 338 | static int dump_init_enet_entries(struct ucc_geth_private *ugeth, |
6fee40e9 | 339 | u32 __iomem *p_start, |
ce973b14 LY |
340 | u8 num_entries, |
341 | u32 thread_size, | |
345f8422 | 342 | unsigned int risc, |
ce973b14 LY |
343 | int skip_page_for_first_entry) |
344 | { | |
345 | u32 init_enet_offset; | |
346 | u8 i; | |
347 | int snum; | |
348 | ||
349 | for (i = 0; i < num_entries; i++) { | |
6fee40e9 AF |
350 | u32 val = in_be32(p_start); |
351 | ||
ce973b14 LY |
352 | /* Check that this entry was actually valid -- |
353 | needed in case failed in allocations */ | |
6fee40e9 | 354 | if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) { |
ce973b14 | 355 | snum = |
6fee40e9 | 356 | (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >> |
ce973b14 LY |
357 | ENET_INIT_PARAM_SNUM_SHIFT; |
358 | qe_put_snum((u8) snum); | |
359 | if (!((i == 0) && skip_page_for_first_entry)) { | |
360 | /* First entry of Rx does not have page */ | |
361 | init_enet_offset = | |
362 | (in_be32(p_start) & | |
363 | ENET_INIT_PARAM_PTR_MASK); | |
c84d8055 JP |
364 | pr_info("Init enet entry %d:\n", i); |
365 | pr_info("Base address: 0x%08x\n", | |
366 | (u32)qe_muram_addr(init_enet_offset)); | |
ce973b14 LY |
367 | mem_disp(qe_muram_addr(init_enet_offset), |
368 | thread_size); | |
369 | } | |
370 | p_start++; | |
371 | } | |
372 | } | |
373 | ||
374 | return 0; | |
375 | } | |
376 | #endif | |
377 | ||
18a8e864 | 378 | static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont) |
ce973b14 LY |
379 | { |
380 | kfree(enet_addr_cont); | |
381 | } | |
382 | ||
df19b6b0 | 383 | static void set_mac_addr(__be16 __iomem *reg, u8 *mac) |
18a8e864 LY |
384 | { |
385 | out_be16(®[0], ((u16)mac[5] << 8) | mac[4]); | |
386 | out_be16(®[1], ((u16)mac[3] << 8) | mac[2]); | |
387 | out_be16(®[2], ((u16)mac[1] << 8) | mac[0]); | |
388 | } | |
389 | ||
18a8e864 | 390 | static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num) |
ce973b14 | 391 | { |
6fee40e9 | 392 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
ce973b14 | 393 | |
c84d8055 JP |
394 | if (paddr_num >= NUM_OF_PADDRS) { |
395 | pr_warn("%s: Invalid paddr_num: %u\n", __func__, paddr_num); | |
ce973b14 LY |
396 | return -EINVAL; |
397 | } | |
398 | ||
399 | p_82xx_addr_filt = | |
6fee40e9 | 400 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram-> |
ce973b14 LY |
401 | addressfiltering; |
402 | ||
403 | /* Writing address ff.ff.ff.ff.ff.ff disables address | |
404 | recognition for this register */ | |
405 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff); | |
406 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff); | |
407 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff); | |
408 | ||
409 | return 0; | |
410 | } | |
411 | ||
18a8e864 LY |
412 | static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth, |
413 | u8 *p_enet_addr) | |
ce973b14 | 414 | { |
6fee40e9 | 415 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
ce973b14 LY |
416 | u32 cecr_subblock; |
417 | ||
418 | p_82xx_addr_filt = | |
6fee40e9 | 419 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram-> |
ce973b14 LY |
420 | addressfiltering; |
421 | ||
422 | cecr_subblock = | |
423 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
424 | ||
425 | /* Ethernet frames are defined in Little Endian mode, | |
3ad2f3fb | 426 | therefore to insert */ |
ce973b14 | 427 | /* the address to the hash (Big Endian mode), we reverse the bytes.*/ |
18a8e864 LY |
428 | |
429 | set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr); | |
ce973b14 LY |
430 | |
431 | qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock, | |
18a8e864 | 432 | QE_CR_PROTOCOL_ETHERNET, 0); |
ce973b14 LY |
433 | } |
434 | ||
ce973b14 | 435 | #ifdef DEBUG |
18a8e864 LY |
436 | static void get_statistics(struct ucc_geth_private *ugeth, |
437 | struct ucc_geth_tx_firmware_statistics * | |
ce973b14 | 438 | tx_firmware_statistics, |
18a8e864 | 439 | struct ucc_geth_rx_firmware_statistics * |
ce973b14 | 440 | rx_firmware_statistics, |
18a8e864 | 441 | struct ucc_geth_hardware_statistics *hardware_statistics) |
ce973b14 | 442 | { |
6fee40e9 AF |
443 | struct ucc_fast __iomem *uf_regs; |
444 | struct ucc_geth __iomem *ug_regs; | |
18a8e864 LY |
445 | struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram; |
446 | struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram; | |
ce973b14 LY |
447 | |
448 | ug_regs = ugeth->ug_regs; | |
6fee40e9 | 449 | uf_regs = (struct ucc_fast __iomem *) ug_regs; |
ce973b14 LY |
450 | p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram; |
451 | p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram; | |
452 | ||
453 | /* Tx firmware only if user handed pointer and driver actually | |
454 | gathers Tx firmware statistics */ | |
455 | if (tx_firmware_statistics && p_tx_fw_statistics_pram) { | |
456 | tx_firmware_statistics->sicoltx = | |
457 | in_be32(&p_tx_fw_statistics_pram->sicoltx); | |
458 | tx_firmware_statistics->mulcoltx = | |
459 | in_be32(&p_tx_fw_statistics_pram->mulcoltx); | |
460 | tx_firmware_statistics->latecoltxfr = | |
461 | in_be32(&p_tx_fw_statistics_pram->latecoltxfr); | |
462 | tx_firmware_statistics->frabortduecol = | |
463 | in_be32(&p_tx_fw_statistics_pram->frabortduecol); | |
464 | tx_firmware_statistics->frlostinmactxer = | |
465 | in_be32(&p_tx_fw_statistics_pram->frlostinmactxer); | |
466 | tx_firmware_statistics->carriersenseertx = | |
467 | in_be32(&p_tx_fw_statistics_pram->carriersenseertx); | |
468 | tx_firmware_statistics->frtxok = | |
469 | in_be32(&p_tx_fw_statistics_pram->frtxok); | |
470 | tx_firmware_statistics->txfrexcessivedefer = | |
471 | in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer); | |
472 | tx_firmware_statistics->txpkts256 = | |
473 | in_be32(&p_tx_fw_statistics_pram->txpkts256); | |
474 | tx_firmware_statistics->txpkts512 = | |
475 | in_be32(&p_tx_fw_statistics_pram->txpkts512); | |
476 | tx_firmware_statistics->txpkts1024 = | |
477 | in_be32(&p_tx_fw_statistics_pram->txpkts1024); | |
478 | tx_firmware_statistics->txpktsjumbo = | |
479 | in_be32(&p_tx_fw_statistics_pram->txpktsjumbo); | |
480 | } | |
481 | ||
482 | /* Rx firmware only if user handed pointer and driver actually | |
483 | * gathers Rx firmware statistics */ | |
484 | if (rx_firmware_statistics && p_rx_fw_statistics_pram) { | |
485 | int i; | |
486 | rx_firmware_statistics->frrxfcser = | |
487 | in_be32(&p_rx_fw_statistics_pram->frrxfcser); | |
488 | rx_firmware_statistics->fraligner = | |
489 | in_be32(&p_rx_fw_statistics_pram->fraligner); | |
490 | rx_firmware_statistics->inrangelenrxer = | |
491 | in_be32(&p_rx_fw_statistics_pram->inrangelenrxer); | |
492 | rx_firmware_statistics->outrangelenrxer = | |
493 | in_be32(&p_rx_fw_statistics_pram->outrangelenrxer); | |
494 | rx_firmware_statistics->frtoolong = | |
495 | in_be32(&p_rx_fw_statistics_pram->frtoolong); | |
496 | rx_firmware_statistics->runt = | |
497 | in_be32(&p_rx_fw_statistics_pram->runt); | |
498 | rx_firmware_statistics->verylongevent = | |
499 | in_be32(&p_rx_fw_statistics_pram->verylongevent); | |
500 | rx_firmware_statistics->symbolerror = | |
501 | in_be32(&p_rx_fw_statistics_pram->symbolerror); | |
502 | rx_firmware_statistics->dropbsy = | |
503 | in_be32(&p_rx_fw_statistics_pram->dropbsy); | |
504 | for (i = 0; i < 0x8; i++) | |
505 | rx_firmware_statistics->res0[i] = | |
506 | p_rx_fw_statistics_pram->res0[i]; | |
507 | rx_firmware_statistics->mismatchdrop = | |
508 | in_be32(&p_rx_fw_statistics_pram->mismatchdrop); | |
509 | rx_firmware_statistics->underpkts = | |
510 | in_be32(&p_rx_fw_statistics_pram->underpkts); | |
511 | rx_firmware_statistics->pkts256 = | |
512 | in_be32(&p_rx_fw_statistics_pram->pkts256); | |
513 | rx_firmware_statistics->pkts512 = | |
514 | in_be32(&p_rx_fw_statistics_pram->pkts512); | |
515 | rx_firmware_statistics->pkts1024 = | |
516 | in_be32(&p_rx_fw_statistics_pram->pkts1024); | |
517 | rx_firmware_statistics->pktsjumbo = | |
518 | in_be32(&p_rx_fw_statistics_pram->pktsjumbo); | |
519 | rx_firmware_statistics->frlossinmacer = | |
520 | in_be32(&p_rx_fw_statistics_pram->frlossinmacer); | |
521 | rx_firmware_statistics->pausefr = | |
522 | in_be32(&p_rx_fw_statistics_pram->pausefr); | |
523 | for (i = 0; i < 0x4; i++) | |
524 | rx_firmware_statistics->res1[i] = | |
525 | p_rx_fw_statistics_pram->res1[i]; | |
526 | rx_firmware_statistics->removevlan = | |
527 | in_be32(&p_rx_fw_statistics_pram->removevlan); | |
528 | rx_firmware_statistics->replacevlan = | |
529 | in_be32(&p_rx_fw_statistics_pram->replacevlan); | |
530 | rx_firmware_statistics->insertvlan = | |
531 | in_be32(&p_rx_fw_statistics_pram->insertvlan); | |
532 | } | |
533 | ||
534 | /* Hardware only if user handed pointer and driver actually | |
535 | gathers hardware statistics */ | |
3bc53427 TT |
536 | if (hardware_statistics && |
537 | (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) { | |
ce973b14 LY |
538 | hardware_statistics->tx64 = in_be32(&ug_regs->tx64); |
539 | hardware_statistics->tx127 = in_be32(&ug_regs->tx127); | |
540 | hardware_statistics->tx255 = in_be32(&ug_regs->tx255); | |
541 | hardware_statistics->rx64 = in_be32(&ug_regs->rx64); | |
542 | hardware_statistics->rx127 = in_be32(&ug_regs->rx127); | |
543 | hardware_statistics->rx255 = in_be32(&ug_regs->rx255); | |
544 | hardware_statistics->txok = in_be32(&ug_regs->txok); | |
545 | hardware_statistics->txcf = in_be16(&ug_regs->txcf); | |
546 | hardware_statistics->tmca = in_be32(&ug_regs->tmca); | |
547 | hardware_statistics->tbca = in_be32(&ug_regs->tbca); | |
548 | hardware_statistics->rxfok = in_be32(&ug_regs->rxfok); | |
549 | hardware_statistics->rxbok = in_be32(&ug_regs->rxbok); | |
550 | hardware_statistics->rbyt = in_be32(&ug_regs->rbyt); | |
551 | hardware_statistics->rmca = in_be32(&ug_regs->rmca); | |
552 | hardware_statistics->rbca = in_be32(&ug_regs->rbca); | |
553 | } | |
554 | } | |
555 | ||
18a8e864 | 556 | static void dump_bds(struct ucc_geth_private *ugeth) |
ce973b14 LY |
557 | { |
558 | int i; | |
559 | int length; | |
560 | ||
561 | for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { | |
562 | if (ugeth->p_tx_bd_ring[i]) { | |
563 | length = | |
564 | (ugeth->ug_info->bdRingLenTx[i] * | |
18a8e864 | 565 | sizeof(struct qe_bd)); |
c84d8055 | 566 | pr_info("TX BDs[%d]\n", i); |
ce973b14 LY |
567 | mem_disp(ugeth->p_tx_bd_ring[i], length); |
568 | } | |
569 | } | |
570 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { | |
571 | if (ugeth->p_rx_bd_ring[i]) { | |
572 | length = | |
573 | (ugeth->ug_info->bdRingLenRx[i] * | |
18a8e864 | 574 | sizeof(struct qe_bd)); |
c84d8055 | 575 | pr_info("RX BDs[%d]\n", i); |
ce973b14 LY |
576 | mem_disp(ugeth->p_rx_bd_ring[i], length); |
577 | } | |
578 | } | |
579 | } | |
580 | ||
18a8e864 | 581 | static void dump_regs(struct ucc_geth_private *ugeth) |
ce973b14 LY |
582 | { |
583 | int i; | |
584 | ||
c84d8055 JP |
585 | pr_info("UCC%d Geth registers:\n", ugeth->ug_info->uf_info.ucc_num + 1); |
586 | pr_info("Base address: 0x%08x\n", (u32)ugeth->ug_regs); | |
587 | ||
588 | pr_info("maccfg1 : addr - 0x%08x, val - 0x%08x\n", | |
589 | (u32)&ugeth->ug_regs->maccfg1, | |
590 | in_be32(&ugeth->ug_regs->maccfg1)); | |
591 | pr_info("maccfg2 : addr - 0x%08x, val - 0x%08x\n", | |
592 | (u32)&ugeth->ug_regs->maccfg2, | |
593 | in_be32(&ugeth->ug_regs->maccfg2)); | |
594 | pr_info("ipgifg : addr - 0x%08x, val - 0x%08x\n", | |
595 | (u32)&ugeth->ug_regs->ipgifg, | |
596 | in_be32(&ugeth->ug_regs->ipgifg)); | |
597 | pr_info("hafdup : addr - 0x%08x, val - 0x%08x\n", | |
598 | (u32)&ugeth->ug_regs->hafdup, | |
599 | in_be32(&ugeth->ug_regs->hafdup)); | |
600 | pr_info("ifctl : addr - 0x%08x, val - 0x%08x\n", | |
601 | (u32)&ugeth->ug_regs->ifctl, | |
602 | in_be32(&ugeth->ug_regs->ifctl)); | |
603 | pr_info("ifstat : addr - 0x%08x, val - 0x%08x\n", | |
604 | (u32)&ugeth->ug_regs->ifstat, | |
605 | in_be32(&ugeth->ug_regs->ifstat)); | |
606 | pr_info("macstnaddr1: addr - 0x%08x, val - 0x%08x\n", | |
607 | (u32)&ugeth->ug_regs->macstnaddr1, | |
608 | in_be32(&ugeth->ug_regs->macstnaddr1)); | |
609 | pr_info("macstnaddr2: addr - 0x%08x, val - 0x%08x\n", | |
610 | (u32)&ugeth->ug_regs->macstnaddr2, | |
611 | in_be32(&ugeth->ug_regs->macstnaddr2)); | |
612 | pr_info("uempr : addr - 0x%08x, val - 0x%08x\n", | |
613 | (u32)&ugeth->ug_regs->uempr, | |
614 | in_be32(&ugeth->ug_regs->uempr)); | |
615 | pr_info("utbipar : addr - 0x%08x, val - 0x%08x\n", | |
616 | (u32)&ugeth->ug_regs->utbipar, | |
617 | in_be32(&ugeth->ug_regs->utbipar)); | |
618 | pr_info("uescr : addr - 0x%08x, val - 0x%04x\n", | |
619 | (u32)&ugeth->ug_regs->uescr, | |
620 | in_be16(&ugeth->ug_regs->uescr)); | |
621 | pr_info("tx64 : addr - 0x%08x, val - 0x%08x\n", | |
622 | (u32)&ugeth->ug_regs->tx64, | |
623 | in_be32(&ugeth->ug_regs->tx64)); | |
624 | pr_info("tx127 : addr - 0x%08x, val - 0x%08x\n", | |
625 | (u32)&ugeth->ug_regs->tx127, | |
626 | in_be32(&ugeth->ug_regs->tx127)); | |
627 | pr_info("tx255 : addr - 0x%08x, val - 0x%08x\n", | |
628 | (u32)&ugeth->ug_regs->tx255, | |
629 | in_be32(&ugeth->ug_regs->tx255)); | |
630 | pr_info("rx64 : addr - 0x%08x, val - 0x%08x\n", | |
631 | (u32)&ugeth->ug_regs->rx64, | |
632 | in_be32(&ugeth->ug_regs->rx64)); | |
633 | pr_info("rx127 : addr - 0x%08x, val - 0x%08x\n", | |
634 | (u32)&ugeth->ug_regs->rx127, | |
635 | in_be32(&ugeth->ug_regs->rx127)); | |
636 | pr_info("rx255 : addr - 0x%08x, val - 0x%08x\n", | |
637 | (u32)&ugeth->ug_regs->rx255, | |
638 | in_be32(&ugeth->ug_regs->rx255)); | |
639 | pr_info("txok : addr - 0x%08x, val - 0x%08x\n", | |
640 | (u32)&ugeth->ug_regs->txok, | |
641 | in_be32(&ugeth->ug_regs->txok)); | |
642 | pr_info("txcf : addr - 0x%08x, val - 0x%04x\n", | |
643 | (u32)&ugeth->ug_regs->txcf, | |
644 | in_be16(&ugeth->ug_regs->txcf)); | |
645 | pr_info("tmca : addr - 0x%08x, val - 0x%08x\n", | |
646 | (u32)&ugeth->ug_regs->tmca, | |
647 | in_be32(&ugeth->ug_regs->tmca)); | |
648 | pr_info("tbca : addr - 0x%08x, val - 0x%08x\n", | |
649 | (u32)&ugeth->ug_regs->tbca, | |
650 | in_be32(&ugeth->ug_regs->tbca)); | |
651 | pr_info("rxfok : addr - 0x%08x, val - 0x%08x\n", | |
652 | (u32)&ugeth->ug_regs->rxfok, | |
653 | in_be32(&ugeth->ug_regs->rxfok)); | |
654 | pr_info("rxbok : addr - 0x%08x, val - 0x%08x\n", | |
655 | (u32)&ugeth->ug_regs->rxbok, | |
656 | in_be32(&ugeth->ug_regs->rxbok)); | |
657 | pr_info("rbyt : addr - 0x%08x, val - 0x%08x\n", | |
658 | (u32)&ugeth->ug_regs->rbyt, | |
659 | in_be32(&ugeth->ug_regs->rbyt)); | |
660 | pr_info("rmca : addr - 0x%08x, val - 0x%08x\n", | |
661 | (u32)&ugeth->ug_regs->rmca, | |
662 | in_be32(&ugeth->ug_regs->rmca)); | |
663 | pr_info("rbca : addr - 0x%08x, val - 0x%08x\n", | |
664 | (u32)&ugeth->ug_regs->rbca, | |
665 | in_be32(&ugeth->ug_regs->rbca)); | |
666 | pr_info("scar : addr - 0x%08x, val - 0x%08x\n", | |
667 | (u32)&ugeth->ug_regs->scar, | |
668 | in_be32(&ugeth->ug_regs->scar)); | |
669 | pr_info("scam : addr - 0x%08x, val - 0x%08x\n", | |
670 | (u32)&ugeth->ug_regs->scam, | |
671 | in_be32(&ugeth->ug_regs->scam)); | |
ce973b14 LY |
672 | |
673 | if (ugeth->p_thread_data_tx) { | |
674 | int numThreadsTxNumerical; | |
675 | switch (ugeth->ug_info->numThreadsTx) { | |
676 | case UCC_GETH_NUM_OF_THREADS_1: | |
677 | numThreadsTxNumerical = 1; | |
678 | break; | |
679 | case UCC_GETH_NUM_OF_THREADS_2: | |
680 | numThreadsTxNumerical = 2; | |
681 | break; | |
682 | case UCC_GETH_NUM_OF_THREADS_4: | |
683 | numThreadsTxNumerical = 4; | |
684 | break; | |
685 | case UCC_GETH_NUM_OF_THREADS_6: | |
686 | numThreadsTxNumerical = 6; | |
687 | break; | |
688 | case UCC_GETH_NUM_OF_THREADS_8: | |
689 | numThreadsTxNumerical = 8; | |
690 | break; | |
691 | default: | |
692 | numThreadsTxNumerical = 0; | |
693 | break; | |
694 | } | |
695 | ||
c84d8055 JP |
696 | pr_info("Thread data TXs:\n"); |
697 | pr_info("Base address: 0x%08x\n", | |
698 | (u32)ugeth->p_thread_data_tx); | |
ce973b14 | 699 | for (i = 0; i < numThreadsTxNumerical; i++) { |
c84d8055 JP |
700 | pr_info("Thread data TX[%d]:\n", i); |
701 | pr_info("Base address: 0x%08x\n", | |
702 | (u32)&ugeth->p_thread_data_tx[i]); | |
ce973b14 | 703 | mem_disp((u8 *) & ugeth->p_thread_data_tx[i], |
18a8e864 | 704 | sizeof(struct ucc_geth_thread_data_tx)); |
ce973b14 LY |
705 | } |
706 | } | |
707 | if (ugeth->p_thread_data_rx) { | |
708 | int numThreadsRxNumerical; | |
709 | switch (ugeth->ug_info->numThreadsRx) { | |
710 | case UCC_GETH_NUM_OF_THREADS_1: | |
711 | numThreadsRxNumerical = 1; | |
712 | break; | |
713 | case UCC_GETH_NUM_OF_THREADS_2: | |
714 | numThreadsRxNumerical = 2; | |
715 | break; | |
716 | case UCC_GETH_NUM_OF_THREADS_4: | |
717 | numThreadsRxNumerical = 4; | |
718 | break; | |
719 | case UCC_GETH_NUM_OF_THREADS_6: | |
720 | numThreadsRxNumerical = 6; | |
721 | break; | |
722 | case UCC_GETH_NUM_OF_THREADS_8: | |
723 | numThreadsRxNumerical = 8; | |
724 | break; | |
725 | default: | |
726 | numThreadsRxNumerical = 0; | |
727 | break; | |
728 | } | |
729 | ||
c84d8055 JP |
730 | pr_info("Thread data RX:\n"); |
731 | pr_info("Base address: 0x%08x\n", | |
732 | (u32)ugeth->p_thread_data_rx); | |
ce973b14 | 733 | for (i = 0; i < numThreadsRxNumerical; i++) { |
c84d8055 JP |
734 | pr_info("Thread data RX[%d]:\n", i); |
735 | pr_info("Base address: 0x%08x\n", | |
736 | (u32)&ugeth->p_thread_data_rx[i]); | |
ce973b14 | 737 | mem_disp((u8 *) & ugeth->p_thread_data_rx[i], |
18a8e864 | 738 | sizeof(struct ucc_geth_thread_data_rx)); |
ce973b14 LY |
739 | } |
740 | } | |
741 | if (ugeth->p_exf_glbl_param) { | |
c84d8055 JP |
742 | pr_info("EXF global param:\n"); |
743 | pr_info("Base address: 0x%08x\n", | |
744 | (u32)ugeth->p_exf_glbl_param); | |
ce973b14 LY |
745 | mem_disp((u8 *) ugeth->p_exf_glbl_param, |
746 | sizeof(*ugeth->p_exf_glbl_param)); | |
747 | } | |
748 | if (ugeth->p_tx_glbl_pram) { | |
c84d8055 JP |
749 | pr_info("TX global param:\n"); |
750 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_tx_glbl_pram); | |
751 | pr_info("temoder : addr - 0x%08x, val - 0x%04x\n", | |
752 | (u32)&ugeth->p_tx_glbl_pram->temoder, | |
753 | in_be16(&ugeth->p_tx_glbl_pram->temoder)); | |
754 | pr_info("sqptr : addr - 0x%08x, val - 0x%08x\n", | |
755 | (u32)&ugeth->p_tx_glbl_pram->sqptr, | |
756 | in_be32(&ugeth->p_tx_glbl_pram->sqptr)); | |
757 | pr_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x\n", | |
758 | (u32)&ugeth->p_tx_glbl_pram->schedulerbasepointer, | |
759 | in_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer)); | |
760 | pr_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x\n", | |
761 | (u32)&ugeth->p_tx_glbl_pram->txrmonbaseptr, | |
762 | in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr)); | |
763 | pr_info("tstate : addr - 0x%08x, val - 0x%08x\n", | |
764 | (u32)&ugeth->p_tx_glbl_pram->tstate, | |
765 | in_be32(&ugeth->p_tx_glbl_pram->tstate)); | |
766 | pr_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x\n", | |
767 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[0], | |
768 | ugeth->p_tx_glbl_pram->iphoffset[0]); | |
769 | pr_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x\n", | |
770 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[1], | |
771 | ugeth->p_tx_glbl_pram->iphoffset[1]); | |
772 | pr_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x\n", | |
773 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[2], | |
774 | ugeth->p_tx_glbl_pram->iphoffset[2]); | |
775 | pr_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x\n", | |
776 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[3], | |
777 | ugeth->p_tx_glbl_pram->iphoffset[3]); | |
778 | pr_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x\n", | |
779 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[4], | |
780 | ugeth->p_tx_glbl_pram->iphoffset[4]); | |
781 | pr_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x\n", | |
782 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[5], | |
783 | ugeth->p_tx_glbl_pram->iphoffset[5]); | |
784 | pr_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x\n", | |
785 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[6], | |
786 | ugeth->p_tx_glbl_pram->iphoffset[6]); | |
787 | pr_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x\n", | |
788 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[7], | |
789 | ugeth->p_tx_glbl_pram->iphoffset[7]); | |
790 | pr_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x\n", | |
791 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[0], | |
792 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0])); | |
793 | pr_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x\n", | |
794 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[1], | |
795 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1])); | |
796 | pr_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x\n", | |
797 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[2], | |
798 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2])); | |
799 | pr_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x\n", | |
800 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[3], | |
801 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3])); | |
802 | pr_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x\n", | |
803 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[4], | |
804 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4])); | |
805 | pr_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x\n", | |
806 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[5], | |
807 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5])); | |
808 | pr_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x\n", | |
809 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[6], | |
810 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6])); | |
811 | pr_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x\n", | |
812 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[7], | |
813 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7])); | |
814 | pr_info("tqptr : addr - 0x%08x, val - 0x%08x\n", | |
815 | (u32)&ugeth->p_tx_glbl_pram->tqptr, | |
816 | in_be32(&ugeth->p_tx_glbl_pram->tqptr)); | |
ce973b14 LY |
817 | } |
818 | if (ugeth->p_rx_glbl_pram) { | |
c84d8055 JP |
819 | pr_info("RX global param:\n"); |
820 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_rx_glbl_pram); | |
821 | pr_info("remoder : addr - 0x%08x, val - 0x%08x\n", | |
822 | (u32)&ugeth->p_rx_glbl_pram->remoder, | |
823 | in_be32(&ugeth->p_rx_glbl_pram->remoder)); | |
824 | pr_info("rqptr : addr - 0x%08x, val - 0x%08x\n", | |
825 | (u32)&ugeth->p_rx_glbl_pram->rqptr, | |
826 | in_be32(&ugeth->p_rx_glbl_pram->rqptr)); | |
827 | pr_info("typeorlen : addr - 0x%08x, val - 0x%04x\n", | |
828 | (u32)&ugeth->p_rx_glbl_pram->typeorlen, | |
829 | in_be16(&ugeth->p_rx_glbl_pram->typeorlen)); | |
830 | pr_info("rxgstpack : addr - 0x%08x, val - 0x%02x\n", | |
831 | (u32)&ugeth->p_rx_glbl_pram->rxgstpack, | |
832 | ugeth->p_rx_glbl_pram->rxgstpack); | |
833 | pr_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x\n", | |
834 | (u32)&ugeth->p_rx_glbl_pram->rxrmonbaseptr, | |
835 | in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr)); | |
836 | pr_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x\n", | |
837 | (u32)&ugeth->p_rx_glbl_pram->intcoalescingptr, | |
838 | in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr)); | |
839 | pr_info("rstate : addr - 0x%08x, val - 0x%02x\n", | |
840 | (u32)&ugeth->p_rx_glbl_pram->rstate, | |
841 | ugeth->p_rx_glbl_pram->rstate); | |
842 | pr_info("mrblr : addr - 0x%08x, val - 0x%04x\n", | |
843 | (u32)&ugeth->p_rx_glbl_pram->mrblr, | |
844 | in_be16(&ugeth->p_rx_glbl_pram->mrblr)); | |
845 | pr_info("rbdqptr : addr - 0x%08x, val - 0x%08x\n", | |
846 | (u32)&ugeth->p_rx_glbl_pram->rbdqptr, | |
847 | in_be32(&ugeth->p_rx_glbl_pram->rbdqptr)); | |
848 | pr_info("mflr : addr - 0x%08x, val - 0x%04x\n", | |
849 | (u32)&ugeth->p_rx_glbl_pram->mflr, | |
850 | in_be16(&ugeth->p_rx_glbl_pram->mflr)); | |
851 | pr_info("minflr : addr - 0x%08x, val - 0x%04x\n", | |
852 | (u32)&ugeth->p_rx_glbl_pram->minflr, | |
853 | in_be16(&ugeth->p_rx_glbl_pram->minflr)); | |
854 | pr_info("maxd1 : addr - 0x%08x, val - 0x%04x\n", | |
855 | (u32)&ugeth->p_rx_glbl_pram->maxd1, | |
856 | in_be16(&ugeth->p_rx_glbl_pram->maxd1)); | |
857 | pr_info("maxd2 : addr - 0x%08x, val - 0x%04x\n", | |
858 | (u32)&ugeth->p_rx_glbl_pram->maxd2, | |
859 | in_be16(&ugeth->p_rx_glbl_pram->maxd2)); | |
860 | pr_info("ecamptr : addr - 0x%08x, val - 0x%08x\n", | |
861 | (u32)&ugeth->p_rx_glbl_pram->ecamptr, | |
862 | in_be32(&ugeth->p_rx_glbl_pram->ecamptr)); | |
863 | pr_info("l2qt : addr - 0x%08x, val - 0x%08x\n", | |
864 | (u32)&ugeth->p_rx_glbl_pram->l2qt, | |
865 | in_be32(&ugeth->p_rx_glbl_pram->l2qt)); | |
866 | pr_info("l3qt[0] : addr - 0x%08x, val - 0x%08x\n", | |
867 | (u32)&ugeth->p_rx_glbl_pram->l3qt[0], | |
868 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[0])); | |
869 | pr_info("l3qt[1] : addr - 0x%08x, val - 0x%08x\n", | |
870 | (u32)&ugeth->p_rx_glbl_pram->l3qt[1], | |
871 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[1])); | |
872 | pr_info("l3qt[2] : addr - 0x%08x, val - 0x%08x\n", | |
873 | (u32)&ugeth->p_rx_glbl_pram->l3qt[2], | |
874 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[2])); | |
875 | pr_info("l3qt[3] : addr - 0x%08x, val - 0x%08x\n", | |
876 | (u32)&ugeth->p_rx_glbl_pram->l3qt[3], | |
877 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[3])); | |
878 | pr_info("l3qt[4] : addr - 0x%08x, val - 0x%08x\n", | |
879 | (u32)&ugeth->p_rx_glbl_pram->l3qt[4], | |
880 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[4])); | |
881 | pr_info("l3qt[5] : addr - 0x%08x, val - 0x%08x\n", | |
882 | (u32)&ugeth->p_rx_glbl_pram->l3qt[5], | |
883 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[5])); | |
884 | pr_info("l3qt[6] : addr - 0x%08x, val - 0x%08x\n", | |
885 | (u32)&ugeth->p_rx_glbl_pram->l3qt[6], | |
886 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[6])); | |
887 | pr_info("l3qt[7] : addr - 0x%08x, val - 0x%08x\n", | |
888 | (u32)&ugeth->p_rx_glbl_pram->l3qt[7], | |
889 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[7])); | |
890 | pr_info("vlantype : addr - 0x%08x, val - 0x%04x\n", | |
891 | (u32)&ugeth->p_rx_glbl_pram->vlantype, | |
892 | in_be16(&ugeth->p_rx_glbl_pram->vlantype)); | |
893 | pr_info("vlantci : addr - 0x%08x, val - 0x%04x\n", | |
894 | (u32)&ugeth->p_rx_glbl_pram->vlantci, | |
895 | in_be16(&ugeth->p_rx_glbl_pram->vlantci)); | |
ce973b14 | 896 | for (i = 0; i < 64; i++) |
c84d8055 JP |
897 | pr_info("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x\n", |
898 | i, | |
899 | (u32)&ugeth->p_rx_glbl_pram->addressfiltering[i], | |
900 | ugeth->p_rx_glbl_pram->addressfiltering[i]); | |
901 | pr_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x\n", | |
902 | (u32)&ugeth->p_rx_glbl_pram->exfGlobalParam, | |
903 | in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam)); | |
ce973b14 LY |
904 | } |
905 | if (ugeth->p_send_q_mem_reg) { | |
c84d8055 JP |
906 | pr_info("Send Q memory registers:\n"); |
907 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_send_q_mem_reg); | |
ce973b14 | 908 | for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { |
c84d8055 JP |
909 | pr_info("SQQD[%d]:\n", i); |
910 | pr_info("Base address: 0x%08x\n", | |
911 | (u32)&ugeth->p_send_q_mem_reg->sqqd[i]); | |
ce973b14 | 912 | mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i], |
18a8e864 | 913 | sizeof(struct ucc_geth_send_queue_qd)); |
ce973b14 LY |
914 | } |
915 | } | |
916 | if (ugeth->p_scheduler) { | |
c84d8055 JP |
917 | pr_info("Scheduler:\n"); |
918 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_scheduler); | |
ce973b14 LY |
919 | mem_disp((u8 *) ugeth->p_scheduler, |
920 | sizeof(*ugeth->p_scheduler)); | |
921 | } | |
922 | if (ugeth->p_tx_fw_statistics_pram) { | |
c84d8055 JP |
923 | pr_info("TX FW statistics pram:\n"); |
924 | pr_info("Base address: 0x%08x\n", | |
925 | (u32)ugeth->p_tx_fw_statistics_pram); | |
ce973b14 LY |
926 | mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram, |
927 | sizeof(*ugeth->p_tx_fw_statistics_pram)); | |
928 | } | |
929 | if (ugeth->p_rx_fw_statistics_pram) { | |
c84d8055 JP |
930 | pr_info("RX FW statistics pram:\n"); |
931 | pr_info("Base address: 0x%08x\n", | |
932 | (u32)ugeth->p_rx_fw_statistics_pram); | |
ce973b14 LY |
933 | mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram, |
934 | sizeof(*ugeth->p_rx_fw_statistics_pram)); | |
935 | } | |
936 | if (ugeth->p_rx_irq_coalescing_tbl) { | |
c84d8055 JP |
937 | pr_info("RX IRQ coalescing tables:\n"); |
938 | pr_info("Base address: 0x%08x\n", | |
939 | (u32)ugeth->p_rx_irq_coalescing_tbl); | |
ce973b14 | 940 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { |
c84d8055 JP |
941 | pr_info("RX IRQ coalescing table entry[%d]:\n", i); |
942 | pr_info("Base address: 0x%08x\n", | |
943 | (u32)&ugeth->p_rx_irq_coalescing_tbl-> | |
944 | coalescingentry[i]); | |
945 | pr_info("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x\n", | |
946 | (u32)&ugeth->p_rx_irq_coalescing_tbl-> | |
947 | coalescingentry[i].interruptcoalescingmaxvalue, | |
948 | in_be32(&ugeth->p_rx_irq_coalescing_tbl-> | |
949 | coalescingentry[i]. | |
950 | interruptcoalescingmaxvalue)); | |
951 | pr_info("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x\n", | |
952 | (u32)&ugeth->p_rx_irq_coalescing_tbl-> | |
953 | coalescingentry[i].interruptcoalescingcounter, | |
954 | in_be32(&ugeth->p_rx_irq_coalescing_tbl-> | |
955 | coalescingentry[i]. | |
956 | interruptcoalescingcounter)); | |
ce973b14 LY |
957 | } |
958 | } | |
959 | if (ugeth->p_rx_bd_qs_tbl) { | |
c84d8055 JP |
960 | pr_info("RX BD QS tables:\n"); |
961 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_rx_bd_qs_tbl); | |
ce973b14 | 962 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { |
c84d8055 JP |
963 | pr_info("RX BD QS table[%d]:\n", i); |
964 | pr_info("Base address: 0x%08x\n", | |
965 | (u32)&ugeth->p_rx_bd_qs_tbl[i]); | |
966 | pr_info("bdbaseptr : addr - 0x%08x, val - 0x%08x\n", | |
967 | (u32)&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr, | |
968 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr)); | |
969 | pr_info("bdptr : addr - 0x%08x, val - 0x%08x\n", | |
970 | (u32)&ugeth->p_rx_bd_qs_tbl[i].bdptr, | |
971 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr)); | |
972 | pr_info("externalbdbaseptr: addr - 0x%08x, val - 0x%08x\n", | |
973 | (u32)&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
974 | in_be32(&ugeth->p_rx_bd_qs_tbl[i]. | |
975 | externalbdbaseptr)); | |
976 | pr_info("externalbdptr : addr - 0x%08x, val - 0x%08x\n", | |
977 | (u32)&ugeth->p_rx_bd_qs_tbl[i].externalbdptr, | |
978 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr)); | |
979 | pr_info("ucode RX Prefetched BDs:\n"); | |
980 | pr_info("Base address: 0x%08x\n", | |
981 | (u32)qe_muram_addr(in_be32 | |
982 | (&ugeth->p_rx_bd_qs_tbl[i]. | |
983 | bdbaseptr))); | |
ce973b14 LY |
984 | mem_disp((u8 *) |
985 | qe_muram_addr(in_be32 | |
986 | (&ugeth->p_rx_bd_qs_tbl[i]. | |
987 | bdbaseptr)), | |
18a8e864 | 988 | sizeof(struct ucc_geth_rx_prefetched_bds)); |
ce973b14 LY |
989 | } |
990 | } | |
991 | if (ugeth->p_init_enet_param_shadow) { | |
992 | int size; | |
c84d8055 JP |
993 | pr_info("Init enet param shadow:\n"); |
994 | pr_info("Base address: 0x%08x\n", | |
995 | (u32) ugeth->p_init_enet_param_shadow); | |
ce973b14 LY |
996 | mem_disp((u8 *) ugeth->p_init_enet_param_shadow, |
997 | sizeof(*ugeth->p_init_enet_param_shadow)); | |
998 | ||
18a8e864 | 999 | size = sizeof(struct ucc_geth_thread_rx_pram); |
ce973b14 LY |
1000 | if (ugeth->ug_info->rxExtendedFiltering) { |
1001 | size += | |
1002 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; | |
1003 | if (ugeth->ug_info->largestexternallookupkeysize == | |
1004 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) | |
1005 | size += | |
1006 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; | |
1007 | if (ugeth->ug_info->largestexternallookupkeysize == | |
1008 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) | |
1009 | size += | |
1010 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; | |
1011 | } | |
1012 | ||
1013 | dump_init_enet_entries(ugeth, | |
1014 | &(ugeth->p_init_enet_param_shadow-> | |
1015 | txthread[0]), | |
1016 | ENET_INIT_PARAM_MAX_ENTRIES_TX, | |
18a8e864 | 1017 | sizeof(struct ucc_geth_thread_tx_pram), |
ce973b14 LY |
1018 | ugeth->ug_info->riscTx, 0); |
1019 | dump_init_enet_entries(ugeth, | |
1020 | &(ugeth->p_init_enet_param_shadow-> | |
1021 | rxthread[0]), | |
1022 | ENET_INIT_PARAM_MAX_ENTRIES_RX, size, | |
1023 | ugeth->ug_info->riscRx, 1); | |
1024 | } | |
1025 | } | |
1026 | #endif /* DEBUG */ | |
1027 | ||
6fee40e9 AF |
1028 | static void init_default_reg_vals(u32 __iomem *upsmr_register, |
1029 | u32 __iomem *maccfg1_register, | |
1030 | u32 __iomem *maccfg2_register) | |
ce973b14 LY |
1031 | { |
1032 | out_be32(upsmr_register, UCC_GETH_UPSMR_INIT); | |
1033 | out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT); | |
1034 | out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT); | |
1035 | } | |
1036 | ||
1037 | static int init_half_duplex_params(int alt_beb, | |
1038 | int back_pressure_no_backoff, | |
1039 | int no_backoff, | |
1040 | int excess_defer, | |
1041 | u8 alt_beb_truncation, | |
1042 | u8 max_retransmissions, | |
1043 | u8 collision_window, | |
6fee40e9 | 1044 | u32 __iomem *hafdup_register) |
ce973b14 LY |
1045 | { |
1046 | u32 value = 0; | |
1047 | ||
1048 | if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) || | |
1049 | (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) || | |
1050 | (collision_window > HALFDUP_COLLISION_WINDOW_MAX)) | |
1051 | return -EINVAL; | |
1052 | ||
1053 | value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT); | |
1054 | ||
1055 | if (alt_beb) | |
1056 | value |= HALFDUP_ALT_BEB; | |
1057 | if (back_pressure_no_backoff) | |
1058 | value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF; | |
1059 | if (no_backoff) | |
1060 | value |= HALFDUP_NO_BACKOFF; | |
1061 | if (excess_defer) | |
1062 | value |= HALFDUP_EXCESSIVE_DEFER; | |
1063 | ||
1064 | value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT); | |
1065 | ||
1066 | value |= collision_window; | |
1067 | ||
1068 | out_be32(hafdup_register, value); | |
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static int init_inter_frame_gap_params(u8 non_btb_cs_ipg, | |
1073 | u8 non_btb_ipg, | |
1074 | u8 min_ifg, | |
1075 | u8 btb_ipg, | |
6fee40e9 | 1076 | u32 __iomem *ipgifg_register) |
ce973b14 LY |
1077 | { |
1078 | u32 value = 0; | |
1079 | ||
1080 | /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back | |
1081 | IPG part 2 */ | |
1082 | if (non_btb_cs_ipg > non_btb_ipg) | |
1083 | return -EINVAL; | |
1084 | ||
1085 | if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) || | |
1086 | (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) || | |
1087 | /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */ | |
1088 | (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX)) | |
1089 | return -EINVAL; | |
1090 | ||
1091 | value |= | |
1092 | ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) & | |
1093 | IPGIFG_NBTB_CS_IPG_MASK); | |
1094 | value |= | |
1095 | ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) & | |
1096 | IPGIFG_NBTB_IPG_MASK); | |
1097 | value |= | |
1098 | ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) & | |
1099 | IPGIFG_MIN_IFG_MASK); | |
1100 | value |= (btb_ipg & IPGIFG_BTB_IPG_MASK); | |
1101 | ||
1102 | out_be32(ipgifg_register, value); | |
1103 | return 0; | |
1104 | } | |
1105 | ||
ac421852 | 1106 | int init_flow_control_params(u32 automatic_flow_control_mode, |
ce973b14 LY |
1107 | int rx_flow_control_enable, |
1108 | int tx_flow_control_enable, | |
1109 | u16 pause_period, | |
1110 | u16 extension_field, | |
6fee40e9 AF |
1111 | u32 __iomem *upsmr_register, |
1112 | u32 __iomem *uempr_register, | |
1113 | u32 __iomem *maccfg1_register) | |
ce973b14 LY |
1114 | { |
1115 | u32 value = 0; | |
1116 | ||
1117 | /* Set UEMPR register */ | |
1118 | value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT; | |
1119 | value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT; | |
1120 | out_be32(uempr_register, value); | |
1121 | ||
1122 | /* Set UPSMR register */ | |
3bc53427 | 1123 | setbits32(upsmr_register, automatic_flow_control_mode); |
ce973b14 LY |
1124 | |
1125 | value = in_be32(maccfg1_register); | |
1126 | if (rx_flow_control_enable) | |
1127 | value |= MACCFG1_FLOW_RX; | |
1128 | if (tx_flow_control_enable) | |
1129 | value |= MACCFG1_FLOW_TX; | |
1130 | out_be32(maccfg1_register, value); | |
1131 | ||
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | static int init_hw_statistics_gathering_mode(int enable_hardware_statistics, | |
1136 | int auto_zero_hardware_statistics, | |
6fee40e9 AF |
1137 | u32 __iomem *upsmr_register, |
1138 | u16 __iomem *uescr_register) | |
ce973b14 | 1139 | { |
ce973b14 | 1140 | u16 uescr_value = 0; |
3bc53427 | 1141 | |
ce973b14 | 1142 | /* Enable hardware statistics gathering if requested */ |
3bc53427 TT |
1143 | if (enable_hardware_statistics) |
1144 | setbits32(upsmr_register, UCC_GETH_UPSMR_HSE); | |
ce973b14 LY |
1145 | |
1146 | /* Clear hardware statistics counters */ | |
1147 | uescr_value = in_be16(uescr_register); | |
1148 | uescr_value |= UESCR_CLRCNT; | |
1149 | /* Automatically zero hardware statistics counters on read, | |
1150 | if requested */ | |
1151 | if (auto_zero_hardware_statistics) | |
1152 | uescr_value |= UESCR_AUTOZ; | |
1153 | out_be16(uescr_register, uescr_value); | |
1154 | ||
1155 | return 0; | |
1156 | } | |
1157 | ||
1158 | static int init_firmware_statistics_gathering_mode(int | |
1159 | enable_tx_firmware_statistics, | |
1160 | int enable_rx_firmware_statistics, | |
6fee40e9 | 1161 | u32 __iomem *tx_rmon_base_ptr, |
ce973b14 | 1162 | u32 tx_firmware_statistics_structure_address, |
6fee40e9 | 1163 | u32 __iomem *rx_rmon_base_ptr, |
ce973b14 | 1164 | u32 rx_firmware_statistics_structure_address, |
6fee40e9 AF |
1165 | u16 __iomem *temoder_register, |
1166 | u32 __iomem *remoder_register) | |
ce973b14 LY |
1167 | { |
1168 | /* Note: this function does not check if */ | |
1169 | /* the parameters it receives are NULL */ | |
ce973b14 LY |
1170 | |
1171 | if (enable_tx_firmware_statistics) { | |
1172 | out_be32(tx_rmon_base_ptr, | |
1173 | tx_firmware_statistics_structure_address); | |
3bc53427 | 1174 | setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE); |
ce973b14 LY |
1175 | } |
1176 | ||
1177 | if (enable_rx_firmware_statistics) { | |
1178 | out_be32(rx_rmon_base_ptr, | |
1179 | rx_firmware_statistics_structure_address); | |
3bc53427 | 1180 | setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE); |
ce973b14 LY |
1181 | } |
1182 | ||
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | static int init_mac_station_addr_regs(u8 address_byte_0, | |
1187 | u8 address_byte_1, | |
1188 | u8 address_byte_2, | |
1189 | u8 address_byte_3, | |
1190 | u8 address_byte_4, | |
1191 | u8 address_byte_5, | |
6fee40e9 AF |
1192 | u32 __iomem *macstnaddr1_register, |
1193 | u32 __iomem *macstnaddr2_register) | |
ce973b14 LY |
1194 | { |
1195 | u32 value = 0; | |
1196 | ||
1197 | /* Example: for a station address of 0x12345678ABCD, */ | |
1198 | /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */ | |
1199 | ||
1200 | /* MACSTNADDR1 Register: */ | |
1201 | ||
1202 | /* 0 7 8 15 */ | |
1203 | /* station address byte 5 station address byte 4 */ | |
1204 | /* 16 23 24 31 */ | |
1205 | /* station address byte 3 station address byte 2 */ | |
1206 | value |= (u32) ((address_byte_2 << 0) & 0x000000FF); | |
1207 | value |= (u32) ((address_byte_3 << 8) & 0x0000FF00); | |
1208 | value |= (u32) ((address_byte_4 << 16) & 0x00FF0000); | |
1209 | value |= (u32) ((address_byte_5 << 24) & 0xFF000000); | |
1210 | ||
1211 | out_be32(macstnaddr1_register, value); | |
1212 | ||
1213 | /* MACSTNADDR2 Register: */ | |
1214 | ||
1215 | /* 0 7 8 15 */ | |
1216 | /* station address byte 1 station address byte 0 */ | |
1217 | /* 16 23 24 31 */ | |
1218 | /* reserved reserved */ | |
1219 | value = 0; | |
1220 | value |= (u32) ((address_byte_0 << 16) & 0x00FF0000); | |
1221 | value |= (u32) ((address_byte_1 << 24) & 0xFF000000); | |
1222 | ||
1223 | out_be32(macstnaddr2_register, value); | |
1224 | ||
1225 | return 0; | |
1226 | } | |
1227 | ||
ce973b14 | 1228 | static int init_check_frame_length_mode(int length_check, |
6fee40e9 | 1229 | u32 __iomem *maccfg2_register) |
ce973b14 LY |
1230 | { |
1231 | u32 value = 0; | |
1232 | ||
1233 | value = in_be32(maccfg2_register); | |
1234 | ||
1235 | if (length_check) | |
1236 | value |= MACCFG2_LC; | |
1237 | else | |
1238 | value &= ~MACCFG2_LC; | |
1239 | ||
1240 | out_be32(maccfg2_register, value); | |
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | static int init_preamble_length(u8 preamble_length, | |
6fee40e9 | 1245 | u32 __iomem *maccfg2_register) |
ce973b14 | 1246 | { |
ce973b14 LY |
1247 | if ((preamble_length < 3) || (preamble_length > 7)) |
1248 | return -EINVAL; | |
1249 | ||
3bc53427 TT |
1250 | clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK, |
1251 | preamble_length << MACCFG2_PREL_SHIFT); | |
1252 | ||
ce973b14 LY |
1253 | return 0; |
1254 | } | |
1255 | ||
ce973b14 LY |
1256 | static int init_rx_parameters(int reject_broadcast, |
1257 | int receive_short_frames, | |
6fee40e9 | 1258 | int promiscuous, u32 __iomem *upsmr_register) |
ce973b14 LY |
1259 | { |
1260 | u32 value = 0; | |
1261 | ||
1262 | value = in_be32(upsmr_register); | |
1263 | ||
1264 | if (reject_broadcast) | |
3bc53427 | 1265 | value |= UCC_GETH_UPSMR_BRO; |
ce973b14 | 1266 | else |
3bc53427 | 1267 | value &= ~UCC_GETH_UPSMR_BRO; |
ce973b14 LY |
1268 | |
1269 | if (receive_short_frames) | |
3bc53427 | 1270 | value |= UCC_GETH_UPSMR_RSH; |
ce973b14 | 1271 | else |
3bc53427 | 1272 | value &= ~UCC_GETH_UPSMR_RSH; |
ce973b14 LY |
1273 | |
1274 | if (promiscuous) | |
3bc53427 | 1275 | value |= UCC_GETH_UPSMR_PRO; |
ce973b14 | 1276 | else |
3bc53427 | 1277 | value &= ~UCC_GETH_UPSMR_PRO; |
ce973b14 LY |
1278 | |
1279 | out_be32(upsmr_register, value); | |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | static int init_max_rx_buff_len(u16 max_rx_buf_len, | |
6fee40e9 | 1285 | u16 __iomem *mrblr_register) |
ce973b14 LY |
1286 | { |
1287 | /* max_rx_buf_len value must be a multiple of 128 */ | |
8e95a202 JP |
1288 | if ((max_rx_buf_len == 0) || |
1289 | (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT)) | |
ce973b14 LY |
1290 | return -EINVAL; |
1291 | ||
1292 | out_be16(mrblr_register, max_rx_buf_len); | |
1293 | return 0; | |
1294 | } | |
1295 | ||
1296 | static int init_min_frame_len(u16 min_frame_length, | |
6fee40e9 AF |
1297 | u16 __iomem *minflr_register, |
1298 | u16 __iomem *mrblr_register) | |
ce973b14 LY |
1299 | { |
1300 | u16 mrblr_value = 0; | |
1301 | ||
1302 | mrblr_value = in_be16(mrblr_register); | |
1303 | if (min_frame_length >= (mrblr_value - 4)) | |
1304 | return -EINVAL; | |
1305 | ||
1306 | out_be16(minflr_register, min_frame_length); | |
1307 | return 0; | |
1308 | } | |
1309 | ||
18a8e864 | 1310 | static int adjust_enet_interface(struct ucc_geth_private *ugeth) |
ce973b14 | 1311 | { |
18a8e864 | 1312 | struct ucc_geth_info *ug_info; |
6fee40e9 AF |
1313 | struct ucc_geth __iomem *ug_regs; |
1314 | struct ucc_fast __iomem *uf_regs; | |
728de4c9 | 1315 | int ret_val; |
81abb43a | 1316 | u32 upsmr, maccfg2; |
ce973b14 LY |
1317 | u16 value; |
1318 | ||
b39d66a8 | 1319 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 LY |
1320 | |
1321 | ug_info = ugeth->ug_info; | |
1322 | ug_regs = ugeth->ug_regs; | |
1323 | uf_regs = ugeth->uccf->uf_regs; | |
1324 | ||
ce973b14 LY |
1325 | /* Set MACCFG2 */ |
1326 | maccfg2 = in_be32(&ug_regs->maccfg2); | |
1327 | maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK; | |
728de4c9 KP |
1328 | if ((ugeth->max_speed == SPEED_10) || |
1329 | (ugeth->max_speed == SPEED_100)) | |
ce973b14 | 1330 | maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; |
728de4c9 | 1331 | else if (ugeth->max_speed == SPEED_1000) |
ce973b14 LY |
1332 | maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; |
1333 | maccfg2 |= ug_info->padAndCrc; | |
1334 | out_be32(&ug_regs->maccfg2, maccfg2); | |
1335 | ||
1336 | /* Set UPSMR */ | |
1337 | upsmr = in_be32(&uf_regs->upsmr); | |
3bc53427 TT |
1338 | upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M | |
1339 | UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM); | |
728de4c9 KP |
1340 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || |
1341 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || | |
1342 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || | |
bd0ceaab KP |
1343 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || |
1344 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || | |
728de4c9 | 1345 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
cef309cf HS |
1346 | if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII) |
1347 | upsmr |= UCC_GETH_UPSMR_RPM; | |
728de4c9 KP |
1348 | switch (ugeth->max_speed) { |
1349 | case SPEED_10: | |
3bc53427 | 1350 | upsmr |= UCC_GETH_UPSMR_R10M; |
df561f66 | 1351 | fallthrough; |
728de4c9 KP |
1352 | case SPEED_100: |
1353 | if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI) | |
3bc53427 | 1354 | upsmr |= UCC_GETH_UPSMR_RMM; |
728de4c9 KP |
1355 | } |
1356 | } | |
1357 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) || | |
1358 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { | |
3bc53427 | 1359 | upsmr |= UCC_GETH_UPSMR_TBIM; |
728de4c9 | 1360 | } |
dab23422 | 1361 | if (ugeth->phy_interface == PHY_INTERFACE_MODE_SGMII) |
047584ce HW |
1362 | upsmr |= UCC_GETH_UPSMR_SGMM; |
1363 | ||
ce973b14 LY |
1364 | out_be32(&uf_regs->upsmr, upsmr); |
1365 | ||
ce973b14 LY |
1366 | /* Disable autonegotiation in tbi mode, because by default it |
1367 | comes up in autonegotiation mode. */ | |
1368 | /* Note that this depends on proper setting in utbipar register. */ | |
728de4c9 KP |
1369 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) || |
1370 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { | |
81abb43a LYB |
1371 | struct ucc_geth_info *ug_info = ugeth->ug_info; |
1372 | struct phy_device *tbiphy; | |
1373 | ||
1374 | if (!ug_info->tbi_node) | |
c84d8055 | 1375 | pr_warn("TBI mode requires that the device tree specify a tbi-handle\n"); |
81abb43a LYB |
1376 | |
1377 | tbiphy = of_phy_find_device(ug_info->tbi_node); | |
1378 | if (!tbiphy) | |
c84d8055 | 1379 | pr_warn("Could not get TBI device\n"); |
81abb43a LYB |
1380 | |
1381 | value = phy_read(tbiphy, ENET_TBI_MII_CR); | |
ce973b14 | 1382 | value &= ~0x1000; /* Turn off autonegotiation */ |
81abb43a | 1383 | phy_write(tbiphy, ENET_TBI_MII_CR, value); |
04d53b20 | 1384 | |
e5a03bfd | 1385 | put_device(&tbiphy->mdio.dev); |
ce973b14 LY |
1386 | } |
1387 | ||
1388 | init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2); | |
1389 | ||
1390 | ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2); | |
1391 | if (ret_val != 0) { | |
890de95e | 1392 | if (netif_msg_probe(ugeth)) |
c84d8055 | 1393 | pr_err("Preamble length must be between 3 and 7 inclusive\n"); |
ce973b14 LY |
1394 | return ret_val; |
1395 | } | |
1396 | ||
1397 | return 0; | |
1398 | } | |
1399 | ||
7de8ee78 AV |
1400 | static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth) |
1401 | { | |
1402 | struct ucc_fast_private *uccf; | |
1403 | u32 cecr_subblock; | |
1404 | u32 temp; | |
1405 | int i = 10; | |
1406 | ||
1407 | uccf = ugeth->uccf; | |
1408 | ||
1409 | /* Mask GRACEFUL STOP TX interrupt bit and clear it */ | |
1410 | clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA); | |
1411 | out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */ | |
1412 | ||
1413 | /* Issue host command */ | |
1414 | cecr_subblock = | |
1415 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1416 | qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, | |
1417 | QE_CR_PROTOCOL_ETHERNET, 0); | |
1418 | ||
1419 | /* Wait for command to complete */ | |
1420 | do { | |
1421 | msleep(10); | |
1422 | temp = in_be32(uccf->p_ucce); | |
1423 | } while (!(temp & UCC_GETH_UCCE_GRA) && --i); | |
1424 | ||
1425 | uccf->stopped_tx = 1; | |
1426 | ||
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | static int ugeth_graceful_stop_rx(struct ucc_geth_private *ugeth) | |
1431 | { | |
1432 | struct ucc_fast_private *uccf; | |
1433 | u32 cecr_subblock; | |
1434 | u8 temp; | |
1435 | int i = 10; | |
1436 | ||
1437 | uccf = ugeth->uccf; | |
1438 | ||
1439 | /* Clear acknowledge bit */ | |
1440 | temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack); | |
1441 | temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX; | |
1442 | out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp); | |
1443 | ||
1444 | /* Keep issuing command and checking acknowledge bit until | |
1445 | it is asserted, according to spec */ | |
1446 | do { | |
1447 | /* Issue host command */ | |
1448 | cecr_subblock = | |
1449 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info. | |
1450 | ucc_num); | |
1451 | qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, | |
1452 | QE_CR_PROTOCOL_ETHERNET, 0); | |
1453 | msleep(10); | |
1454 | temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack); | |
1455 | } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i); | |
1456 | ||
1457 | uccf->stopped_rx = 1; | |
1458 | ||
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | static int ugeth_restart_tx(struct ucc_geth_private *ugeth) | |
1463 | { | |
1464 | struct ucc_fast_private *uccf; | |
1465 | u32 cecr_subblock; | |
1466 | ||
1467 | uccf = ugeth->uccf; | |
1468 | ||
1469 | cecr_subblock = | |
1470 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1471 | qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0); | |
1472 | uccf->stopped_tx = 0; | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
1477 | static int ugeth_restart_rx(struct ucc_geth_private *ugeth) | |
1478 | { | |
1479 | struct ucc_fast_private *uccf; | |
1480 | u32 cecr_subblock; | |
1481 | ||
1482 | uccf = ugeth->uccf; | |
1483 | ||
1484 | cecr_subblock = | |
1485 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1486 | qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, | |
1487 | 0); | |
1488 | uccf->stopped_rx = 0; | |
1489 | ||
1490 | return 0; | |
1491 | } | |
1492 | ||
1493 | static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode) | |
1494 | { | |
1495 | struct ucc_fast_private *uccf; | |
1496 | int enabled_tx, enabled_rx; | |
1497 | ||
1498 | uccf = ugeth->uccf; | |
1499 | ||
1500 | /* check if the UCC number is in range. */ | |
1501 | if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { | |
1502 | if (netif_msg_probe(ugeth)) | |
c84d8055 | 1503 | pr_err("ucc_num out of range\n"); |
7de8ee78 AV |
1504 | return -EINVAL; |
1505 | } | |
1506 | ||
1507 | enabled_tx = uccf->enabled_tx; | |
1508 | enabled_rx = uccf->enabled_rx; | |
1509 | ||
1510 | /* Get Tx and Rx going again, in case this channel was actively | |
1511 | disabled. */ | |
1512 | if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx) | |
1513 | ugeth_restart_tx(ugeth); | |
1514 | if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx) | |
1515 | ugeth_restart_rx(ugeth); | |
1516 | ||
1517 | ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */ | |
1518 | ||
1519 | return 0; | |
1520 | ||
1521 | } | |
1522 | ||
1523 | static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode) | |
1524 | { | |
1525 | struct ucc_fast_private *uccf; | |
1526 | ||
1527 | uccf = ugeth->uccf; | |
1528 | ||
1529 | /* check if the UCC number is in range. */ | |
1530 | if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { | |
1531 | if (netif_msg_probe(ugeth)) | |
c84d8055 | 1532 | pr_err("ucc_num out of range\n"); |
7de8ee78 AV |
1533 | return -EINVAL; |
1534 | } | |
1535 | ||
1536 | /* Stop any transmissions */ | |
1537 | if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx) | |
1538 | ugeth_graceful_stop_tx(ugeth); | |
1539 | ||
1540 | /* Stop any receptions */ | |
1541 | if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx) | |
1542 | ugeth_graceful_stop_rx(ugeth); | |
1543 | ||
1544 | ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */ | |
1545 | ||
1546 | return 0; | |
1547 | } | |
1548 | ||
864fdf88 AV |
1549 | static void ugeth_quiesce(struct ucc_geth_private *ugeth) |
1550 | { | |
79dde73c VL |
1551 | /* Prevent any further xmits */ |
1552 | netif_tx_stop_all_queues(ugeth->ndev); | |
864fdf88 AV |
1553 | |
1554 | /* Disable the interrupt to avoid NAPI rescheduling. */ | |
1555 | disable_irq(ugeth->ug_info->uf_info.irq); | |
1556 | ||
1557 | /* Stop NAPI, and possibly wait for its completion. */ | |
1558 | napi_disable(&ugeth->napi); | |
1559 | } | |
1560 | ||
1561 | static void ugeth_activate(struct ucc_geth_private *ugeth) | |
1562 | { | |
1563 | napi_enable(&ugeth->napi); | |
1564 | enable_irq(ugeth->ug_info->uf_info.irq); | |
79dde73c VL |
1565 | |
1566 | /* allow to xmit again */ | |
1567 | netif_tx_wake_all_queues(ugeth->ndev); | |
1568 | __netdev_watchdog_up(ugeth->ndev); | |
864fdf88 AV |
1569 | } |
1570 | ||
ce973b14 LY |
1571 | /* Called every time the controller might need to be made |
1572 | * aware of new link state. The PHY code conveys this | |
1573 | * information through variables in the ugeth structure, and this | |
1574 | * function converts those variables into the appropriate | |
1575 | * register values, and can bring down the device if needed. | |
1576 | */ | |
728de4c9 | 1577 | |
ce973b14 LY |
1578 | static void adjust_link(struct net_device *dev) |
1579 | { | |
18a8e864 | 1580 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
6fee40e9 AF |
1581 | struct ucc_geth __iomem *ug_regs; |
1582 | struct ucc_fast __iomem *uf_regs; | |
728de4c9 | 1583 | struct phy_device *phydev = ugeth->phydev; |
728de4c9 | 1584 | int new_state = 0; |
ce973b14 LY |
1585 | |
1586 | ug_regs = ugeth->ug_regs; | |
728de4c9 | 1587 | uf_regs = ugeth->uccf->uf_regs; |
ce973b14 | 1588 | |
728de4c9 KP |
1589 | if (phydev->link) { |
1590 | u32 tempval = in_be32(&ug_regs->maccfg2); | |
1591 | u32 upsmr = in_be32(&uf_regs->upsmr); | |
ce973b14 LY |
1592 | /* Now we make sure that we can be in full duplex mode. |
1593 | * If not, we operate in half-duplex mode. */ | |
728de4c9 KP |
1594 | if (phydev->duplex != ugeth->oldduplex) { |
1595 | new_state = 1; | |
1596 | if (!(phydev->duplex)) | |
ce973b14 | 1597 | tempval &= ~(MACCFG2_FDX); |
728de4c9 | 1598 | else |
ce973b14 | 1599 | tempval |= MACCFG2_FDX; |
728de4c9 | 1600 | ugeth->oldduplex = phydev->duplex; |
ce973b14 LY |
1601 | } |
1602 | ||
728de4c9 KP |
1603 | if (phydev->speed != ugeth->oldspeed) { |
1604 | new_state = 1; | |
1605 | switch (phydev->speed) { | |
1606 | case SPEED_1000: | |
1607 | tempval = ((tempval & | |
1608 | ~(MACCFG2_INTERFACE_MODE_MASK)) | | |
1609 | MACCFG2_INTERFACE_MODE_BYTE); | |
a1862a53 | 1610 | break; |
728de4c9 KP |
1611 | case SPEED_100: |
1612 | case SPEED_10: | |
1613 | tempval = ((tempval & | |
1614 | ~(MACCFG2_INTERFACE_MODE_MASK)) | | |
1615 | MACCFG2_INTERFACE_MODE_NIBBLE); | |
1616 | /* if reduced mode, re-set UPSMR.R10M */ | |
1617 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || | |
1618 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || | |
1619 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || | |
bd0ceaab KP |
1620 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || |
1621 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || | |
728de4c9 KP |
1622 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
1623 | if (phydev->speed == SPEED_10) | |
3bc53427 | 1624 | upsmr |= UCC_GETH_UPSMR_R10M; |
728de4c9 | 1625 | else |
3bc53427 | 1626 | upsmr &= ~UCC_GETH_UPSMR_R10M; |
728de4c9 | 1627 | } |
ce973b14 LY |
1628 | break; |
1629 | default: | |
728de4c9 | 1630 | if (netif_msg_link(ugeth)) |
c84d8055 | 1631 | pr_warn( |
728de4c9 KP |
1632 | "%s: Ack! Speed (%d) is not 10/100/1000!", |
1633 | dev->name, phydev->speed); | |
ce973b14 LY |
1634 | break; |
1635 | } | |
728de4c9 | 1636 | ugeth->oldspeed = phydev->speed; |
ce973b14 LY |
1637 | } |
1638 | ||
1639 | if (!ugeth->oldlink) { | |
728de4c9 | 1640 | new_state = 1; |
ce973b14 | 1641 | ugeth->oldlink = 1; |
ce973b14 | 1642 | } |
08fafd84 AV |
1643 | |
1644 | if (new_state) { | |
1645 | /* | |
1646 | * To change the MAC configuration we need to disable | |
1647 | * the controller. To do so, we have to either grab | |
1648 | * ugeth->lock, which is a bad idea since 'graceful | |
1649 | * stop' commands might take quite a while, or we can | |
1650 | * quiesce driver's activity. | |
1651 | */ | |
1652 | ugeth_quiesce(ugeth); | |
1653 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
1654 | ||
1655 | out_be32(&ug_regs->maccfg2, tempval); | |
1656 | out_be32(&uf_regs->upsmr, upsmr); | |
1657 | ||
1658 | ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); | |
1659 | ugeth_activate(ugeth); | |
1660 | } | |
728de4c9 KP |
1661 | } else if (ugeth->oldlink) { |
1662 | new_state = 1; | |
ce973b14 LY |
1663 | ugeth->oldlink = 0; |
1664 | ugeth->oldspeed = 0; | |
1665 | ugeth->oldduplex = -1; | |
ce973b14 | 1666 | } |
728de4c9 KP |
1667 | |
1668 | if (new_state && netif_msg_link(ugeth)) | |
1669 | phy_print_status(phydev); | |
ce973b14 LY |
1670 | } |
1671 | ||
fb1001f3 HW |
1672 | /* Initialize TBI PHY interface for communicating with the |
1673 | * SERDES lynx PHY on the chip. We communicate with this PHY | |
1674 | * through the MDIO bus on each controller, treating it as a | |
1675 | * "normal" PHY at the address found in the UTBIPA register. We assume | |
1676 | * that the UTBIPA register is valid. Either the MDIO bus code will set | |
1677 | * it to a value that doesn't conflict with other PHYs on the bus, or the | |
1678 | * value doesn't matter, as there are no other PHYs on the bus. | |
1679 | */ | |
1680 | static void uec_configure_serdes(struct net_device *dev) | |
1681 | { | |
1682 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
1683 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
1684 | struct phy_device *tbiphy; | |
1685 | ||
1686 | if (!ug_info->tbi_node) { | |
1687 | dev_warn(&dev->dev, "SGMII mode requires that the device " | |
1688 | "tree specify a tbi-handle\n"); | |
1689 | return; | |
1690 | } | |
1691 | ||
1692 | tbiphy = of_phy_find_device(ug_info->tbi_node); | |
1693 | if (!tbiphy) { | |
1694 | dev_err(&dev->dev, "error: Could not get TBI device\n"); | |
1695 | return; | |
1696 | } | |
1697 | ||
1698 | /* | |
1699 | * If the link is already up, we must already be ok, and don't need to | |
1700 | * configure and reset the TBI<->SerDes link. Maybe U-Boot configured | |
1701 | * everything for us? Resetting it takes the link down and requires | |
1702 | * several seconds for it to come back. | |
1703 | */ | |
04d53b20 | 1704 | if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) { |
e5a03bfd | 1705 | put_device(&tbiphy->mdio.dev); |
fb1001f3 | 1706 | return; |
04d53b20 | 1707 | } |
fb1001f3 HW |
1708 | |
1709 | /* Single clk mode, mii mode off(for serdes communication) */ | |
1710 | phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS); | |
1711 | ||
1712 | phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); | |
1713 | ||
1714 | phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS); | |
04d53b20 | 1715 | |
5e431650 | 1716 | put_device(&tbiphy->mdio.dev); |
fb1001f3 HW |
1717 | } |
1718 | ||
ce973b14 LY |
1719 | /* Configure the PHY for dev. |
1720 | * returns 0 if success. -1 if failure | |
1721 | */ | |
1722 | static int init_phy(struct net_device *dev) | |
1723 | { | |
728de4c9 | 1724 | struct ucc_geth_private *priv = netdev_priv(dev); |
61fa9dcf | 1725 | struct ucc_geth_info *ug_info = priv->ug_info; |
728de4c9 | 1726 | struct phy_device *phydev; |
ce973b14 | 1727 | |
728de4c9 KP |
1728 | priv->oldlink = 0; |
1729 | priv->oldspeed = 0; | |
1730 | priv->oldduplex = -1; | |
ce973b14 | 1731 | |
0b9da337 GL |
1732 | phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0, |
1733 | priv->phy_interface); | |
1734 | if (!phydev) { | |
3104a6ff | 1735 | dev_err(&dev->dev, "Could not attach to PHY\n"); |
0b9da337 | 1736 | return -ENODEV; |
ce973b14 LY |
1737 | } |
1738 | ||
047584ce HW |
1739 | if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII) |
1740 | uec_configure_serdes(dev); | |
1741 | ||
3c1bcc86 | 1742 | phy_set_max_speed(phydev, priv->max_speed); |
68dc44af | 1743 | |
728de4c9 | 1744 | priv->phydev = phydev; |
ce973b14 LY |
1745 | |
1746 | return 0; | |
ce973b14 LY |
1747 | } |
1748 | ||
18a8e864 | 1749 | static void ugeth_dump_regs(struct ucc_geth_private *ugeth) |
ce973b14 LY |
1750 | { |
1751 | #ifdef DEBUG | |
1752 | ucc_fast_dump_regs(ugeth->uccf); | |
1753 | dump_regs(ugeth); | |
1754 | dump_bds(ugeth); | |
1755 | #endif | |
1756 | } | |
1757 | ||
18a8e864 | 1758 | static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private * |
ce973b14 | 1759 | ugeth, |
18a8e864 | 1760 | enum enet_addr_type |
ce973b14 LY |
1761 | enet_addr_type) |
1762 | { | |
6fee40e9 | 1763 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
18a8e864 LY |
1764 | struct ucc_fast_private *uccf; |
1765 | enum comm_dir comm_dir; | |
ce973b14 LY |
1766 | struct list_head *p_lh; |
1767 | u16 i, num; | |
6fee40e9 AF |
1768 | u32 __iomem *addr_h; |
1769 | u32 __iomem *addr_l; | |
ce973b14 LY |
1770 | u8 *p_counter; |
1771 | ||
1772 | uccf = ugeth->uccf; | |
1773 | ||
1774 | p_82xx_addr_filt = | |
6fee40e9 AF |
1775 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) |
1776 | ugeth->p_rx_glbl_pram->addressfiltering; | |
ce973b14 LY |
1777 | |
1778 | if (enet_addr_type == ENET_ADDR_TYPE_GROUP) { | |
1779 | addr_h = &(p_82xx_addr_filt->gaddr_h); | |
1780 | addr_l = &(p_82xx_addr_filt->gaddr_l); | |
1781 | p_lh = &ugeth->group_hash_q; | |
1782 | p_counter = &(ugeth->numGroupAddrInHash); | |
1783 | } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) { | |
1784 | addr_h = &(p_82xx_addr_filt->iaddr_h); | |
1785 | addr_l = &(p_82xx_addr_filt->iaddr_l); | |
1786 | p_lh = &ugeth->ind_hash_q; | |
1787 | p_counter = &(ugeth->numIndAddrInHash); | |
1788 | } else | |
1789 | return -EINVAL; | |
1790 | ||
1791 | comm_dir = 0; | |
1792 | if (uccf->enabled_tx) | |
1793 | comm_dir |= COMM_DIR_TX; | |
1794 | if (uccf->enabled_rx) | |
1795 | comm_dir |= COMM_DIR_RX; | |
1796 | if (comm_dir) | |
1797 | ugeth_disable(ugeth, comm_dir); | |
1798 | ||
1799 | /* Clear the hash table. */ | |
1800 | out_be32(addr_h, 0x00000000); | |
1801 | out_be32(addr_l, 0x00000000); | |
1802 | ||
1803 | if (!p_lh) | |
1804 | return 0; | |
1805 | ||
1806 | num = *p_counter; | |
1807 | ||
1808 | /* Delete all remaining CQ elements */ | |
1809 | for (i = 0; i < num; i++) | |
1810 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh))); | |
1811 | ||
1812 | *p_counter = 0; | |
1813 | ||
1814 | if (comm_dir) | |
1815 | ugeth_enable(ugeth, comm_dir); | |
1816 | ||
1817 | return 0; | |
1818 | } | |
1819 | ||
18a8e864 | 1820 | static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth, |
ce973b14 LY |
1821 | u8 paddr_num) |
1822 | { | |
1823 | ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */ | |
1824 | return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */ | |
1825 | } | |
1826 | ||
e19a82c1 PG |
1827 | static void ucc_geth_free_rx(struct ucc_geth_private *ugeth) |
1828 | { | |
1829 | struct ucc_geth_info *ug_info; | |
1830 | struct ucc_fast_info *uf_info; | |
1831 | u16 i, j; | |
1832 | u8 __iomem *bd; | |
1833 | ||
1834 | ||
1835 | ug_info = ugeth->ug_info; | |
1836 | uf_info = &ug_info->uf_info; | |
1837 | ||
1838 | for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { | |
1839 | if (ugeth->p_rx_bd_ring[i]) { | |
1840 | /* Return existing data buffers in ring */ | |
1841 | bd = ugeth->p_rx_bd_ring[i]; | |
1842 | for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { | |
1843 | if (ugeth->rx_skbuff[i][j]) { | |
1844 | dma_unmap_single(ugeth->dev, | |
1845 | in_be32(&((struct qe_bd __iomem *)bd)->buf), | |
1846 | ugeth->ug_info-> | |
1847 | uf_info.max_rx_buf_length + | |
1848 | UCC_GETH_RX_DATA_BUF_ALIGNMENT, | |
1849 | DMA_FROM_DEVICE); | |
1850 | dev_kfree_skb_any( | |
1851 | ugeth->rx_skbuff[i][j]); | |
1852 | ugeth->rx_skbuff[i][j] = NULL; | |
1853 | } | |
1854 | bd += sizeof(struct qe_bd); | |
1855 | } | |
1856 | ||
1857 | kfree(ugeth->rx_skbuff[i]); | |
1858 | ||
1859 | if (ugeth->ug_info->uf_info.bd_mem_part == | |
1860 | MEM_PART_SYSTEM) | |
1861 | kfree((void *)ugeth->rx_bd_ring_offset[i]); | |
1862 | else if (ugeth->ug_info->uf_info.bd_mem_part == | |
1863 | MEM_PART_MURAM) | |
1864 | qe_muram_free(ugeth->rx_bd_ring_offset[i]); | |
1865 | ugeth->p_rx_bd_ring[i] = NULL; | |
1866 | } | |
1867 | } | |
1868 | ||
1869 | } | |
1870 | ||
1871 | static void ucc_geth_free_tx(struct ucc_geth_private *ugeth) | |
ce973b14 | 1872 | { |
e19a82c1 PG |
1873 | struct ucc_geth_info *ug_info; |
1874 | struct ucc_fast_info *uf_info; | |
ce973b14 | 1875 | u16 i, j; |
6fee40e9 | 1876 | u8 __iomem *bd; |
ce973b14 | 1877 | |
e15aa3b2 MT |
1878 | netdev_reset_queue(ugeth->ndev); |
1879 | ||
e19a82c1 PG |
1880 | ug_info = ugeth->ug_info; |
1881 | uf_info = &ug_info->uf_info; | |
1882 | ||
1883 | for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { | |
1884 | bd = ugeth->p_tx_bd_ring[i]; | |
1885 | if (!bd) | |
1886 | continue; | |
1887 | for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { | |
1888 | if (ugeth->tx_skbuff[i][j]) { | |
1889 | dma_unmap_single(ugeth->dev, | |
1890 | in_be32(&((struct qe_bd __iomem *)bd)->buf), | |
1891 | (in_be32((u32 __iomem *)bd) & | |
1892 | BD_LENGTH_MASK), | |
1893 | DMA_TO_DEVICE); | |
1894 | dev_kfree_skb_any(ugeth->tx_skbuff[i][j]); | |
1895 | ugeth->tx_skbuff[i][j] = NULL; | |
1896 | } | |
1897 | } | |
1898 | ||
1899 | kfree(ugeth->tx_skbuff[i]); | |
1900 | ||
1901 | if (ugeth->p_tx_bd_ring[i]) { | |
1902 | if (ugeth->ug_info->uf_info.bd_mem_part == | |
1903 | MEM_PART_SYSTEM) | |
1904 | kfree((void *)ugeth->tx_bd_ring_offset[i]); | |
1905 | else if (ugeth->ug_info->uf_info.bd_mem_part == | |
1906 | MEM_PART_MURAM) | |
1907 | qe_muram_free(ugeth->tx_bd_ring_offset[i]); | |
1908 | ugeth->p_tx_bd_ring[i] = NULL; | |
1909 | } | |
1910 | } | |
1911 | ||
1912 | } | |
1913 | ||
1914 | static void ucc_geth_memclean(struct ucc_geth_private *ugeth) | |
1915 | { | |
ce973b14 LY |
1916 | if (!ugeth) |
1917 | return; | |
1918 | ||
80a9fad8 | 1919 | if (ugeth->uccf) { |
ce973b14 | 1920 | ucc_fast_free(ugeth->uccf); |
80a9fad8 AV |
1921 | ugeth->uccf = NULL; |
1922 | } | |
ce973b14 LY |
1923 | |
1924 | if (ugeth->p_thread_data_tx) { | |
1925 | qe_muram_free(ugeth->thread_dat_tx_offset); | |
1926 | ugeth->p_thread_data_tx = NULL; | |
1927 | } | |
1928 | if (ugeth->p_thread_data_rx) { | |
1929 | qe_muram_free(ugeth->thread_dat_rx_offset); | |
1930 | ugeth->p_thread_data_rx = NULL; | |
1931 | } | |
1932 | if (ugeth->p_exf_glbl_param) { | |
1933 | qe_muram_free(ugeth->exf_glbl_param_offset); | |
1934 | ugeth->p_exf_glbl_param = NULL; | |
1935 | } | |
1936 | if (ugeth->p_rx_glbl_pram) { | |
1937 | qe_muram_free(ugeth->rx_glbl_pram_offset); | |
1938 | ugeth->p_rx_glbl_pram = NULL; | |
1939 | } | |
1940 | if (ugeth->p_tx_glbl_pram) { | |
1941 | qe_muram_free(ugeth->tx_glbl_pram_offset); | |
1942 | ugeth->p_tx_glbl_pram = NULL; | |
1943 | } | |
1944 | if (ugeth->p_send_q_mem_reg) { | |
1945 | qe_muram_free(ugeth->send_q_mem_reg_offset); | |
1946 | ugeth->p_send_q_mem_reg = NULL; | |
1947 | } | |
1948 | if (ugeth->p_scheduler) { | |
1949 | qe_muram_free(ugeth->scheduler_offset); | |
1950 | ugeth->p_scheduler = NULL; | |
1951 | } | |
1952 | if (ugeth->p_tx_fw_statistics_pram) { | |
1953 | qe_muram_free(ugeth->tx_fw_statistics_pram_offset); | |
1954 | ugeth->p_tx_fw_statistics_pram = NULL; | |
1955 | } | |
1956 | if (ugeth->p_rx_fw_statistics_pram) { | |
1957 | qe_muram_free(ugeth->rx_fw_statistics_pram_offset); | |
1958 | ugeth->p_rx_fw_statistics_pram = NULL; | |
1959 | } | |
1960 | if (ugeth->p_rx_irq_coalescing_tbl) { | |
1961 | qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset); | |
1962 | ugeth->p_rx_irq_coalescing_tbl = NULL; | |
1963 | } | |
1964 | if (ugeth->p_rx_bd_qs_tbl) { | |
1965 | qe_muram_free(ugeth->rx_bd_qs_tbl_offset); | |
1966 | ugeth->p_rx_bd_qs_tbl = NULL; | |
1967 | } | |
1968 | if (ugeth->p_init_enet_param_shadow) { | |
1969 | return_init_enet_entries(ugeth, | |
1970 | &(ugeth->p_init_enet_param_shadow-> | |
1971 | rxthread[0]), | |
1972 | ENET_INIT_PARAM_MAX_ENTRIES_RX, | |
1973 | ugeth->ug_info->riscRx, 1); | |
1974 | return_init_enet_entries(ugeth, | |
1975 | &(ugeth->p_init_enet_param_shadow-> | |
1976 | txthread[0]), | |
1977 | ENET_INIT_PARAM_MAX_ENTRIES_TX, | |
1978 | ugeth->ug_info->riscTx, 0); | |
1979 | kfree(ugeth->p_init_enet_param_shadow); | |
1980 | ugeth->p_init_enet_param_shadow = NULL; | |
1981 | } | |
e19a82c1 PG |
1982 | ucc_geth_free_tx(ugeth); |
1983 | ucc_geth_free_rx(ugeth); | |
ce973b14 LY |
1984 | while (!list_empty(&ugeth->group_hash_q)) |
1985 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY | |
1986 | (dequeue(&ugeth->group_hash_q))); | |
1987 | while (!list_empty(&ugeth->ind_hash_q)) | |
1988 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY | |
1989 | (dequeue(&ugeth->ind_hash_q))); | |
3e73fc9a AV |
1990 | if (ugeth->ug_regs) { |
1991 | iounmap(ugeth->ug_regs); | |
1992 | ugeth->ug_regs = NULL; | |
1993 | } | |
ce973b14 LY |
1994 | } |
1995 | ||
1996 | static void ucc_geth_set_multi(struct net_device *dev) | |
1997 | { | |
18a8e864 | 1998 | struct ucc_geth_private *ugeth; |
22bedad3 | 1999 | struct netdev_hw_addr *ha; |
6fee40e9 AF |
2000 | struct ucc_fast __iomem *uf_regs; |
2001 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; | |
ce973b14 LY |
2002 | |
2003 | ugeth = netdev_priv(dev); | |
2004 | ||
2005 | uf_regs = ugeth->uccf->uf_regs; | |
2006 | ||
2007 | if (dev->flags & IFF_PROMISC) { | |
3bc53427 | 2008 | setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO); |
ce973b14 | 2009 | } else { |
3bc53427 | 2010 | clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO); |
ce973b14 LY |
2011 | |
2012 | p_82xx_addr_filt = | |
6fee40e9 | 2013 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth-> |
ce973b14 LY |
2014 | p_rx_glbl_pram->addressfiltering; |
2015 | ||
2016 | if (dev->flags & IFF_ALLMULTI) { | |
2017 | /* Catch all multicast addresses, so set the | |
2018 | * filter to all 1's. | |
2019 | */ | |
2020 | out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff); | |
2021 | out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff); | |
2022 | } else { | |
2023 | /* Clear filter and add the addresses in the list. | |
2024 | */ | |
2025 | out_be32(&p_82xx_addr_filt->gaddr_h, 0x0); | |
2026 | out_be32(&p_82xx_addr_filt->gaddr_l, 0x0); | |
2027 | ||
22bedad3 | 2028 | netdev_for_each_mc_addr(ha, dev) { |
ce973b14 LY |
2029 | /* Ask CPM to run CRC and set bit in |
2030 | * filter mask. | |
2031 | */ | |
22bedad3 | 2032 | hw_add_addr_in_hash(ugeth, ha->addr); |
ce973b14 LY |
2033 | } |
2034 | } | |
2035 | } | |
2036 | } | |
2037 | ||
18a8e864 | 2038 | static void ucc_geth_stop(struct ucc_geth_private *ugeth) |
ce973b14 | 2039 | { |
6fee40e9 | 2040 | struct ucc_geth __iomem *ug_regs = ugeth->ug_regs; |
728de4c9 | 2041 | struct phy_device *phydev = ugeth->phydev; |
ce973b14 | 2042 | |
b39d66a8 | 2043 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 2044 | |
75e60474 JT |
2045 | /* |
2046 | * Tell the kernel the link is down. | |
2047 | * Must be done before disabling the controller | |
2048 | * or deadlock may happen. | |
2049 | */ | |
2050 | phy_stop(phydev); | |
2051 | ||
ce973b14 LY |
2052 | /* Disable the controller */ |
2053 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
2054 | ||
ce973b14 | 2055 | /* Mask all interrupts */ |
c6f5047b | 2056 | out_be32(ugeth->uccf->p_uccm, 0x00000000); |
ce973b14 LY |
2057 | |
2058 | /* Clear all interrupts */ | |
2059 | out_be32(ugeth->uccf->p_ucce, 0xffffffff); | |
2060 | ||
2061 | /* Disable Rx and Tx */ | |
3bc53427 | 2062 | clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); |
ce973b14 | 2063 | |
ce973b14 LY |
2064 | ucc_geth_memclean(ugeth); |
2065 | } | |
2066 | ||
728de4c9 | 2067 | static int ucc_struct_init(struct ucc_geth_private *ugeth) |
ce973b14 | 2068 | { |
18a8e864 LY |
2069 | struct ucc_geth_info *ug_info; |
2070 | struct ucc_fast_info *uf_info; | |
728de4c9 | 2071 | int i; |
ce973b14 LY |
2072 | |
2073 | ug_info = ugeth->ug_info; | |
2074 | uf_info = &ug_info->uf_info; | |
2075 | ||
2076 | if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) || | |
2077 | (uf_info->bd_mem_part == MEM_PART_MURAM))) { | |
890de95e | 2078 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2079 | pr_err("Bad memory partition value\n"); |
ce973b14 LY |
2080 | return -EINVAL; |
2081 | } | |
2082 | ||
2083 | /* Rx BD lengths */ | |
2084 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
2085 | if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) || | |
2086 | (ug_info->bdRingLenRx[i] % | |
2087 | UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) { | |
890de95e | 2088 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2089 | pr_err("Rx BD ring length must be multiple of 4, no smaller than 8\n"); |
ce973b14 LY |
2090 | return -EINVAL; |
2091 | } | |
2092 | } | |
2093 | ||
2094 | /* Tx BD lengths */ | |
2095 | for (i = 0; i < ug_info->numQueuesTx; i++) { | |
2096 | if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) { | |
890de95e | 2097 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2098 | pr_err("Tx BD ring length must be no smaller than 2\n"); |
ce973b14 LY |
2099 | return -EINVAL; |
2100 | } | |
2101 | } | |
2102 | ||
2103 | /* mrblr */ | |
2104 | if ((uf_info->max_rx_buf_length == 0) || | |
2105 | (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) { | |
890de95e | 2106 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2107 | pr_err("max_rx_buf_length must be non-zero multiple of 128\n"); |
ce973b14 LY |
2108 | return -EINVAL; |
2109 | } | |
2110 | ||
2111 | /* num Tx queues */ | |
2112 | if (ug_info->numQueuesTx > NUM_TX_QUEUES) { | |
890de95e | 2113 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2114 | pr_err("number of tx queues too large\n"); |
ce973b14 LY |
2115 | return -EINVAL; |
2116 | } | |
2117 | ||
2118 | /* num Rx queues */ | |
2119 | if (ug_info->numQueuesRx > NUM_RX_QUEUES) { | |
890de95e | 2120 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2121 | pr_err("number of rx queues too large\n"); |
ce973b14 LY |
2122 | return -EINVAL; |
2123 | } | |
2124 | ||
2125 | /* l2qt */ | |
2126 | for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) { | |
2127 | if (ug_info->l2qt[i] >= ug_info->numQueuesRx) { | |
890de95e | 2128 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2129 | pr_err("VLAN priority table entry must not be larger than number of Rx queues\n"); |
ce973b14 LY |
2130 | return -EINVAL; |
2131 | } | |
2132 | } | |
2133 | ||
2134 | /* l3qt */ | |
2135 | for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) { | |
2136 | if (ug_info->l3qt[i] >= ug_info->numQueuesRx) { | |
890de95e | 2137 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2138 | pr_err("IP priority table entry must not be larger than number of Rx queues\n"); |
ce973b14 LY |
2139 | return -EINVAL; |
2140 | } | |
2141 | } | |
2142 | ||
2143 | if (ug_info->cam && !ug_info->ecamptr) { | |
890de95e | 2144 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2145 | pr_err("If cam mode is chosen, must supply cam ptr\n"); |
ce973b14 LY |
2146 | return -EINVAL; |
2147 | } | |
2148 | ||
2149 | if ((ug_info->numStationAddresses != | |
8e95a202 JP |
2150 | UCC_GETH_NUM_OF_STATION_ADDRESSES_1) && |
2151 | ug_info->rxExtendedFiltering) { | |
890de95e | 2152 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2153 | pr_err("Number of station addresses greater than 1 not allowed in extended parsing mode\n"); |
ce973b14 LY |
2154 | return -EINVAL; |
2155 | } | |
2156 | ||
2157 | /* Generate uccm_mask for receive */ | |
2158 | uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */ | |
2159 | for (i = 0; i < ug_info->numQueuesRx; i++) | |
3bc53427 | 2160 | uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i); |
ce973b14 LY |
2161 | |
2162 | for (i = 0; i < ug_info->numQueuesTx; i++) | |
3bc53427 | 2163 | uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i); |
ce973b14 | 2164 | /* Initialize the general fast UCC block. */ |
728de4c9 | 2165 | if (ucc_fast_init(uf_info, &ugeth->uccf)) { |
890de95e | 2166 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2167 | pr_err("Failed to init uccf\n"); |
ce973b14 LY |
2168 | return -ENOMEM; |
2169 | } | |
728de4c9 | 2170 | |
345f8422 HW |
2171 | /* read the number of risc engines, update the riscTx and riscRx |
2172 | * if there are 4 riscs in QE | |
2173 | */ | |
2174 | if (qe_get_num_of_risc() == 4) { | |
2175 | ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS; | |
2176 | ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS; | |
2177 | } | |
2178 | ||
3e73fc9a AV |
2179 | ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs)); |
2180 | if (!ugeth->ug_regs) { | |
2181 | if (netif_msg_probe(ugeth)) | |
c84d8055 | 2182 | pr_err("Failed to ioremap regs\n"); |
3e73fc9a AV |
2183 | return -ENOMEM; |
2184 | } | |
728de4c9 KP |
2185 | |
2186 | return 0; | |
2187 | } | |
2188 | ||
e19a82c1 PG |
2189 | static int ucc_geth_alloc_tx(struct ucc_geth_private *ugeth) |
2190 | { | |
2191 | struct ucc_geth_info *ug_info; | |
2192 | struct ucc_fast_info *uf_info; | |
2193 | int length; | |
2194 | u16 i, j; | |
2195 | u8 __iomem *bd; | |
2196 | ||
2197 | ug_info = ugeth->ug_info; | |
2198 | uf_info = &ug_info->uf_info; | |
2199 | ||
2200 | /* Allocate Tx bds */ | |
2201 | for (j = 0; j < ug_info->numQueuesTx; j++) { | |
2202 | /* Allocate in multiple of | |
2203 | UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT, | |
2204 | according to spec */ | |
2205 | length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) | |
2206 | / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) | |
2207 | * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; | |
2208 | if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) % | |
2209 | UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) | |
2210 | length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; | |
2211 | if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { | |
2212 | u32 align = 4; | |
2213 | if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4) | |
2214 | align = UCC_GETH_TX_BD_RING_ALIGNMENT; | |
2215 | ugeth->tx_bd_ring_offset[j] = | |
2216 | (u32) kmalloc((u32) (length + align), GFP_KERNEL); | |
2217 | ||
2218 | if (ugeth->tx_bd_ring_offset[j] != 0) | |
2219 | ugeth->p_tx_bd_ring[j] = | |
2220 | (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] + | |
2221 | align) & ~(align - 1)); | |
2222 | } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { | |
2223 | ugeth->tx_bd_ring_offset[j] = | |
2224 | qe_muram_alloc(length, | |
2225 | UCC_GETH_TX_BD_RING_ALIGNMENT); | |
2226 | if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j])) | |
2227 | ugeth->p_tx_bd_ring[j] = | |
2228 | (u8 __iomem *) qe_muram_addr(ugeth-> | |
2229 | tx_bd_ring_offset[j]); | |
2230 | } | |
2231 | if (!ugeth->p_tx_bd_ring[j]) { | |
2232 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2233 | pr_err("Can not allocate memory for Tx bd rings\n"); |
e19a82c1 PG |
2234 | return -ENOMEM; |
2235 | } | |
2236 | /* Zero unused end of bd ring, according to spec */ | |
2237 | memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] + | |
2238 | ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0, | |
2239 | length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)); | |
2240 | } | |
2241 | ||
2242 | /* Init Tx bds */ | |
2243 | for (j = 0; j < ug_info->numQueuesTx; j++) { | |
2244 | /* Setup the skbuff rings */ | |
6da2ec56 KC |
2245 | ugeth->tx_skbuff[j] = |
2246 | kmalloc_array(ugeth->ug_info->bdRingLenTx[j], | |
2247 | sizeof(struct sk_buff *), GFP_KERNEL); | |
e19a82c1 PG |
2248 | |
2249 | if (ugeth->tx_skbuff[j] == NULL) { | |
2250 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2251 | pr_err("Could not allocate tx_skbuff\n"); |
e19a82c1 PG |
2252 | return -ENOMEM; |
2253 | } | |
2254 | ||
2255 | for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++) | |
2256 | ugeth->tx_skbuff[j][i] = NULL; | |
2257 | ||
2258 | ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0; | |
2259 | bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j]; | |
2260 | for (i = 0; i < ug_info->bdRingLenTx[j]; i++) { | |
2261 | /* clear bd buffer */ | |
2262 | out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); | |
2263 | /* set bd status and length */ | |
2264 | out_be32((u32 __iomem *)bd, 0); | |
2265 | bd += sizeof(struct qe_bd); | |
2266 | } | |
2267 | bd -= sizeof(struct qe_bd); | |
2268 | /* set bd status and length */ | |
2269 | out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */ | |
2270 | } | |
2271 | ||
2272 | return 0; | |
2273 | } | |
2274 | ||
2275 | static int ucc_geth_alloc_rx(struct ucc_geth_private *ugeth) | |
2276 | { | |
2277 | struct ucc_geth_info *ug_info; | |
2278 | struct ucc_fast_info *uf_info; | |
2279 | int length; | |
2280 | u16 i, j; | |
2281 | u8 __iomem *bd; | |
2282 | ||
2283 | ug_info = ugeth->ug_info; | |
2284 | uf_info = &ug_info->uf_info; | |
2285 | ||
2286 | /* Allocate Rx bds */ | |
2287 | for (j = 0; j < ug_info->numQueuesRx; j++) { | |
2288 | length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd); | |
2289 | if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { | |
2290 | u32 align = 4; | |
2291 | if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4) | |
2292 | align = UCC_GETH_RX_BD_RING_ALIGNMENT; | |
2293 | ugeth->rx_bd_ring_offset[j] = | |
2294 | (u32) kmalloc((u32) (length + align), GFP_KERNEL); | |
2295 | if (ugeth->rx_bd_ring_offset[j] != 0) | |
2296 | ugeth->p_rx_bd_ring[j] = | |
2297 | (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] + | |
2298 | align) & ~(align - 1)); | |
2299 | } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { | |
2300 | ugeth->rx_bd_ring_offset[j] = | |
2301 | qe_muram_alloc(length, | |
2302 | UCC_GETH_RX_BD_RING_ALIGNMENT); | |
2303 | if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j])) | |
2304 | ugeth->p_rx_bd_ring[j] = | |
2305 | (u8 __iomem *) qe_muram_addr(ugeth-> | |
2306 | rx_bd_ring_offset[j]); | |
2307 | } | |
2308 | if (!ugeth->p_rx_bd_ring[j]) { | |
2309 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2310 | pr_err("Can not allocate memory for Rx bd rings\n"); |
e19a82c1 PG |
2311 | return -ENOMEM; |
2312 | } | |
2313 | } | |
2314 | ||
2315 | /* Init Rx bds */ | |
2316 | for (j = 0; j < ug_info->numQueuesRx; j++) { | |
2317 | /* Setup the skbuff rings */ | |
6da2ec56 KC |
2318 | ugeth->rx_skbuff[j] = |
2319 | kmalloc_array(ugeth->ug_info->bdRingLenRx[j], | |
2320 | sizeof(struct sk_buff *), GFP_KERNEL); | |
e19a82c1 PG |
2321 | |
2322 | if (ugeth->rx_skbuff[j] == NULL) { | |
2323 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2324 | pr_err("Could not allocate rx_skbuff\n"); |
e19a82c1 PG |
2325 | return -ENOMEM; |
2326 | } | |
2327 | ||
2328 | for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++) | |
2329 | ugeth->rx_skbuff[j][i] = NULL; | |
2330 | ||
2331 | ugeth->skb_currx[j] = 0; | |
2332 | bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j]; | |
2333 | for (i = 0; i < ug_info->bdRingLenRx[j]; i++) { | |
2334 | /* set bd status and length */ | |
2335 | out_be32((u32 __iomem *)bd, R_I); | |
2336 | /* clear bd buffer */ | |
2337 | out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); | |
2338 | bd += sizeof(struct qe_bd); | |
2339 | } | |
2340 | bd -= sizeof(struct qe_bd); | |
2341 | /* set bd status and length */ | |
2342 | out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */ | |
2343 | } | |
2344 | ||
2345 | return 0; | |
2346 | } | |
2347 | ||
728de4c9 KP |
2348 | static int ucc_geth_startup(struct ucc_geth_private *ugeth) |
2349 | { | |
6fee40e9 AF |
2350 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
2351 | struct ucc_geth_init_pram __iomem *p_init_enet_pram; | |
728de4c9 KP |
2352 | struct ucc_fast_private *uccf; |
2353 | struct ucc_geth_info *ug_info; | |
2354 | struct ucc_fast_info *uf_info; | |
6fee40e9 AF |
2355 | struct ucc_fast __iomem *uf_regs; |
2356 | struct ucc_geth __iomem *ug_regs; | |
728de4c9 KP |
2357 | int ret_val = -EINVAL; |
2358 | u32 remoder = UCC_GETH_REMODER_INIT; | |
3bc53427 | 2359 | u32 init_enet_pram_offset, cecr_subblock, command; |
e19a82c1 | 2360 | u32 ifstat, i, j, size, l2qt, l3qt; |
728de4c9 KP |
2361 | u16 temoder = UCC_GETH_TEMODER_INIT; |
2362 | u16 test; | |
2363 | u8 function_code = 0; | |
6fee40e9 | 2364 | u8 __iomem *endOfRing; |
728de4c9 KP |
2365 | u8 numThreadsRxNumerical, numThreadsTxNumerical; |
2366 | ||
b39d66a8 | 2367 | ugeth_vdbg("%s: IN", __func__); |
728de4c9 KP |
2368 | uccf = ugeth->uccf; |
2369 | ug_info = ugeth->ug_info; | |
2370 | uf_info = &ug_info->uf_info; | |
2371 | uf_regs = uccf->uf_regs; | |
2372 | ug_regs = ugeth->ug_regs; | |
ce973b14 LY |
2373 | |
2374 | switch (ug_info->numThreadsRx) { | |
2375 | case UCC_GETH_NUM_OF_THREADS_1: | |
2376 | numThreadsRxNumerical = 1; | |
2377 | break; | |
2378 | case UCC_GETH_NUM_OF_THREADS_2: | |
2379 | numThreadsRxNumerical = 2; | |
2380 | break; | |
2381 | case UCC_GETH_NUM_OF_THREADS_4: | |
2382 | numThreadsRxNumerical = 4; | |
2383 | break; | |
2384 | case UCC_GETH_NUM_OF_THREADS_6: | |
2385 | numThreadsRxNumerical = 6; | |
2386 | break; | |
2387 | case UCC_GETH_NUM_OF_THREADS_8: | |
2388 | numThreadsRxNumerical = 8; | |
2389 | break; | |
2390 | default: | |
890de95e | 2391 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2392 | pr_err("Bad number of Rx threads value\n"); |
ce973b14 | 2393 | return -EINVAL; |
ce973b14 LY |
2394 | } |
2395 | ||
2396 | switch (ug_info->numThreadsTx) { | |
2397 | case UCC_GETH_NUM_OF_THREADS_1: | |
2398 | numThreadsTxNumerical = 1; | |
2399 | break; | |
2400 | case UCC_GETH_NUM_OF_THREADS_2: | |
2401 | numThreadsTxNumerical = 2; | |
2402 | break; | |
2403 | case UCC_GETH_NUM_OF_THREADS_4: | |
2404 | numThreadsTxNumerical = 4; | |
2405 | break; | |
2406 | case UCC_GETH_NUM_OF_THREADS_6: | |
2407 | numThreadsTxNumerical = 6; | |
2408 | break; | |
2409 | case UCC_GETH_NUM_OF_THREADS_8: | |
2410 | numThreadsTxNumerical = 8; | |
2411 | break; | |
2412 | default: | |
890de95e | 2413 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2414 | pr_err("Bad number of Tx threads value\n"); |
ce973b14 | 2415 | return -EINVAL; |
ce973b14 LY |
2416 | } |
2417 | ||
2418 | /* Calculate rx_extended_features */ | |
2419 | ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck || | |
2420 | ug_info->ipAddressAlignment || | |
2421 | (ug_info->numStationAddresses != | |
2422 | UCC_GETH_NUM_OF_STATION_ADDRESSES_1); | |
2423 | ||
2424 | ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features || | |
8e95a202 JP |
2425 | (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) || |
2426 | (ug_info->vlanOperationNonTagged != | |
2427 | UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP); | |
ce973b14 | 2428 | |
ce973b14 LY |
2429 | init_default_reg_vals(&uf_regs->upsmr, |
2430 | &ug_regs->maccfg1, &ug_regs->maccfg2); | |
2431 | ||
2432 | /* Set UPSMR */ | |
2433 | /* For more details see the hardware spec. */ | |
2434 | init_rx_parameters(ug_info->bro, | |
2435 | ug_info->rsh, ug_info->pro, &uf_regs->upsmr); | |
2436 | ||
2437 | /* We're going to ignore other registers for now, */ | |
2438 | /* except as needed to get up and running */ | |
2439 | ||
2440 | /* Set MACCFG1 */ | |
2441 | /* For more details see the hardware spec. */ | |
2442 | init_flow_control_params(ug_info->aufc, | |
2443 | ug_info->receiveFlowControl, | |
ac421852 | 2444 | ug_info->transmitFlowControl, |
ce973b14 LY |
2445 | ug_info->pausePeriod, |
2446 | ug_info->extensionField, | |
2447 | &uf_regs->upsmr, | |
2448 | &ug_regs->uempr, &ug_regs->maccfg1); | |
2449 | ||
3bc53427 | 2450 | setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); |
ce973b14 LY |
2451 | |
2452 | /* Set IPGIFG */ | |
2453 | /* For more details see the hardware spec. */ | |
2454 | ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1, | |
2455 | ug_info->nonBackToBackIfgPart2, | |
2456 | ug_info-> | |
2457 | miminumInterFrameGapEnforcement, | |
2458 | ug_info->backToBackInterFrameGap, | |
2459 | &ug_regs->ipgifg); | |
2460 | if (ret_val != 0) { | |
890de95e | 2461 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2462 | pr_err("IPGIFG initialization parameter too large\n"); |
ce973b14 LY |
2463 | return ret_val; |
2464 | } | |
2465 | ||
2466 | /* Set HAFDUP */ | |
2467 | /* For more details see the hardware spec. */ | |
2468 | ret_val = init_half_duplex_params(ug_info->altBeb, | |
2469 | ug_info->backPressureNoBackoff, | |
2470 | ug_info->noBackoff, | |
2471 | ug_info->excessDefer, | |
2472 | ug_info->altBebTruncation, | |
2473 | ug_info->maxRetransmission, | |
2474 | ug_info->collisionWindow, | |
2475 | &ug_regs->hafdup); | |
2476 | if (ret_val != 0) { | |
890de95e | 2477 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2478 | pr_err("Half Duplex initialization parameter too large\n"); |
ce973b14 LY |
2479 | return ret_val; |
2480 | } | |
2481 | ||
2482 | /* Set IFSTAT */ | |
2483 | /* For more details see the hardware spec. */ | |
2484 | /* Read only - resets upon read */ | |
2485 | ifstat = in_be32(&ug_regs->ifstat); | |
2486 | ||
2487 | /* Clear UEMPR */ | |
2488 | /* For more details see the hardware spec. */ | |
2489 | out_be32(&ug_regs->uempr, 0); | |
2490 | ||
2491 | /* Set UESCR */ | |
2492 | /* For more details see the hardware spec. */ | |
2493 | init_hw_statistics_gathering_mode((ug_info->statisticsMode & | |
2494 | UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE), | |
2495 | 0, &uf_regs->upsmr, &ug_regs->uescr); | |
2496 | ||
e19a82c1 PG |
2497 | ret_val = ucc_geth_alloc_tx(ugeth); |
2498 | if (ret_val != 0) | |
2499 | return ret_val; | |
ce973b14 | 2500 | |
e19a82c1 PG |
2501 | ret_val = ucc_geth_alloc_rx(ugeth); |
2502 | if (ret_val != 0) | |
2503 | return ret_val; | |
ce973b14 LY |
2504 | |
2505 | /* | |
2506 | * Global PRAM | |
2507 | */ | |
2508 | /* Tx global PRAM */ | |
2509 | /* Allocate global tx parameter RAM page */ | |
2510 | ugeth->tx_glbl_pram_offset = | |
18a8e864 | 2511 | qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram), |
ce973b14 | 2512 | UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT); |
4c35630c | 2513 | if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) { |
890de95e | 2514 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2515 | pr_err("Can not allocate DPRAM memory for p_tx_glbl_pram\n"); |
ce973b14 LY |
2516 | return -ENOMEM; |
2517 | } | |
2518 | ugeth->p_tx_glbl_pram = | |
6fee40e9 | 2519 | (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2520 | tx_glbl_pram_offset); |
2521 | /* Zero out p_tx_glbl_pram */ | |
6fee40e9 | 2522 | memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram)); |
ce973b14 LY |
2523 | |
2524 | /* Fill global PRAM */ | |
2525 | ||
2526 | /* TQPTR */ | |
2527 | /* Size varies with number of Tx threads */ | |
2528 | ugeth->thread_dat_tx_offset = | |
2529 | qe_muram_alloc(numThreadsTxNumerical * | |
18a8e864 | 2530 | sizeof(struct ucc_geth_thread_data_tx) + |
ce973b14 LY |
2531 | 32 * (numThreadsTxNumerical == 1), |
2532 | UCC_GETH_THREAD_DATA_ALIGNMENT); | |
4c35630c | 2533 | if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) { |
890de95e | 2534 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2535 | pr_err("Can not allocate DPRAM memory for p_thread_data_tx\n"); |
ce973b14 LY |
2536 | return -ENOMEM; |
2537 | } | |
2538 | ||
2539 | ugeth->p_thread_data_tx = | |
6fee40e9 | 2540 | (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2541 | thread_dat_tx_offset); |
2542 | out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset); | |
2543 | ||
2544 | /* vtagtable */ | |
2545 | for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++) | |
2546 | out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i], | |
2547 | ug_info->vtagtable[i]); | |
2548 | ||
2549 | /* iphoffset */ | |
2550 | for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++) | |
6fee40e9 AF |
2551 | out_8(&ugeth->p_tx_glbl_pram->iphoffset[i], |
2552 | ug_info->iphoffset[i]); | |
ce973b14 LY |
2553 | |
2554 | /* SQPTR */ | |
2555 | /* Size varies with number of Tx queues */ | |
2556 | ugeth->send_q_mem_reg_offset = | |
2557 | qe_muram_alloc(ug_info->numQueuesTx * | |
18a8e864 | 2558 | sizeof(struct ucc_geth_send_queue_qd), |
ce973b14 | 2559 | UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); |
4c35630c | 2560 | if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) { |
890de95e | 2561 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2562 | pr_err("Can not allocate DPRAM memory for p_send_q_mem_reg\n"); |
ce973b14 LY |
2563 | return -ENOMEM; |
2564 | } | |
2565 | ||
2566 | ugeth->p_send_q_mem_reg = | |
6fee40e9 | 2567 | (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2568 | send_q_mem_reg_offset); |
2569 | out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset); | |
2570 | ||
2571 | /* Setup the table */ | |
2572 | /* Assume BD rings are already established */ | |
2573 | for (i = 0; i < ug_info->numQueuesTx; i++) { | |
2574 | endOfRing = | |
2575 | ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] - | |
18a8e864 | 2576 | 1) * sizeof(struct qe_bd); |
ce973b14 LY |
2577 | if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) { |
2578 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, | |
2579 | (u32) virt_to_phys(ugeth->p_tx_bd_ring[i])); | |
2580 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. | |
2581 | last_bd_completed_address, | |
2582 | (u32) virt_to_phys(endOfRing)); | |
2583 | } else if (ugeth->ug_info->uf_info.bd_mem_part == | |
2584 | MEM_PART_MURAM) { | |
2585 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, | |
8b8642af | 2586 | (u32)qe_muram_dma(ugeth->p_tx_bd_ring[i])); |
ce973b14 LY |
2587 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. |
2588 | last_bd_completed_address, | |
8b8642af | 2589 | (u32)qe_muram_dma(endOfRing)); |
ce973b14 LY |
2590 | } |
2591 | } | |
2592 | ||
2593 | /* schedulerbasepointer */ | |
2594 | ||
2595 | if (ug_info->numQueuesTx > 1) { | |
2596 | /* scheduler exists only if more than 1 tx queue */ | |
2597 | ugeth->scheduler_offset = | |
18a8e864 | 2598 | qe_muram_alloc(sizeof(struct ucc_geth_scheduler), |
ce973b14 | 2599 | UCC_GETH_SCHEDULER_ALIGNMENT); |
4c35630c | 2600 | if (IS_ERR_VALUE(ugeth->scheduler_offset)) { |
890de95e | 2601 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2602 | pr_err("Can not allocate DPRAM memory for p_scheduler\n"); |
ce973b14 LY |
2603 | return -ENOMEM; |
2604 | } | |
2605 | ||
2606 | ugeth->p_scheduler = | |
6fee40e9 | 2607 | (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2608 | scheduler_offset); |
2609 | out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer, | |
2610 | ugeth->scheduler_offset); | |
2611 | /* Zero out p_scheduler */ | |
6fee40e9 | 2612 | memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler)); |
ce973b14 LY |
2613 | |
2614 | /* Set values in scheduler */ | |
2615 | out_be32(&ugeth->p_scheduler->mblinterval, | |
2616 | ug_info->mblinterval); | |
2617 | out_be16(&ugeth->p_scheduler->nortsrbytetime, | |
2618 | ug_info->nortsrbytetime); | |
6fee40e9 AF |
2619 | out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz); |
2620 | out_8(&ugeth->p_scheduler->strictpriorityq, | |
2621 | ug_info->strictpriorityq); | |
2622 | out_8(&ugeth->p_scheduler->txasap, ug_info->txasap); | |
2623 | out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw); | |
ce973b14 | 2624 | for (i = 0; i < NUM_TX_QUEUES; i++) |
6fee40e9 AF |
2625 | out_8(&ugeth->p_scheduler->weightfactor[i], |
2626 | ug_info->weightfactor[i]); | |
ce973b14 LY |
2627 | |
2628 | /* Set pointers to cpucount registers in scheduler */ | |
2629 | ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0); | |
2630 | ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1); | |
2631 | ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2); | |
2632 | ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3); | |
2633 | ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4); | |
2634 | ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5); | |
2635 | ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6); | |
2636 | ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7); | |
2637 | } | |
2638 | ||
2639 | /* schedulerbasepointer */ | |
2640 | /* TxRMON_PTR (statistics) */ | |
2641 | if (ug_info-> | |
2642 | statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
2643 | ugeth->tx_fw_statistics_pram_offset = | |
2644 | qe_muram_alloc(sizeof | |
18a8e864 | 2645 | (struct ucc_geth_tx_firmware_statistics_pram), |
ce973b14 | 2646 | UCC_GETH_TX_STATISTICS_ALIGNMENT); |
4c35630c | 2647 | if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) { |
890de95e | 2648 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2649 | pr_err("Can not allocate DPRAM memory for p_tx_fw_statistics_pram\n"); |
ce973b14 LY |
2650 | return -ENOMEM; |
2651 | } | |
2652 | ugeth->p_tx_fw_statistics_pram = | |
6fee40e9 | 2653 | (struct ucc_geth_tx_firmware_statistics_pram __iomem *) |
ce973b14 LY |
2654 | qe_muram_addr(ugeth->tx_fw_statistics_pram_offset); |
2655 | /* Zero out p_tx_fw_statistics_pram */ | |
6fee40e9 | 2656 | memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram, |
18a8e864 | 2657 | 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram)); |
ce973b14 LY |
2658 | } |
2659 | ||
2660 | /* temoder */ | |
2661 | /* Already has speed set */ | |
2662 | ||
2663 | if (ug_info->numQueuesTx > 1) | |
2664 | temoder |= TEMODER_SCHEDULER_ENABLE; | |
2665 | if (ug_info->ipCheckSumGenerate) | |
2666 | temoder |= TEMODER_IP_CHECKSUM_GENERATE; | |
2667 | temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT); | |
2668 | out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder); | |
2669 | ||
2670 | test = in_be16(&ugeth->p_tx_glbl_pram->temoder); | |
2671 | ||
2672 | /* Function code register value to be used later */ | |
6b0b594b | 2673 | function_code = UCC_BMR_BO_BE | UCC_BMR_GBL; |
ce973b14 LY |
2674 | /* Required for QE */ |
2675 | ||
2676 | /* function code register */ | |
2677 | out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24); | |
2678 | ||
2679 | /* Rx global PRAM */ | |
2680 | /* Allocate global rx parameter RAM page */ | |
2681 | ugeth->rx_glbl_pram_offset = | |
18a8e864 | 2682 | qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram), |
ce973b14 | 2683 | UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT); |
4c35630c | 2684 | if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) { |
890de95e | 2685 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2686 | pr_err("Can not allocate DPRAM memory for p_rx_glbl_pram\n"); |
ce973b14 LY |
2687 | return -ENOMEM; |
2688 | } | |
2689 | ugeth->p_rx_glbl_pram = | |
6fee40e9 | 2690 | (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2691 | rx_glbl_pram_offset); |
2692 | /* Zero out p_rx_glbl_pram */ | |
6fee40e9 | 2693 | memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram)); |
ce973b14 LY |
2694 | |
2695 | /* Fill global PRAM */ | |
2696 | ||
2697 | /* RQPTR */ | |
2698 | /* Size varies with number of Rx threads */ | |
2699 | ugeth->thread_dat_rx_offset = | |
2700 | qe_muram_alloc(numThreadsRxNumerical * | |
18a8e864 | 2701 | sizeof(struct ucc_geth_thread_data_rx), |
ce973b14 | 2702 | UCC_GETH_THREAD_DATA_ALIGNMENT); |
4c35630c | 2703 | if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) { |
890de95e | 2704 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2705 | pr_err("Can not allocate DPRAM memory for p_thread_data_rx\n"); |
ce973b14 LY |
2706 | return -ENOMEM; |
2707 | } | |
2708 | ||
2709 | ugeth->p_thread_data_rx = | |
6fee40e9 | 2710 | (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2711 | thread_dat_rx_offset); |
2712 | out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset); | |
2713 | ||
2714 | /* typeorlen */ | |
2715 | out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen); | |
2716 | ||
2717 | /* rxrmonbaseptr (statistics) */ | |
2718 | if (ug_info-> | |
2719 | statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) { | |
2720 | ugeth->rx_fw_statistics_pram_offset = | |
2721 | qe_muram_alloc(sizeof | |
18a8e864 | 2722 | (struct ucc_geth_rx_firmware_statistics_pram), |
ce973b14 | 2723 | UCC_GETH_RX_STATISTICS_ALIGNMENT); |
4c35630c | 2724 | if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) { |
890de95e | 2725 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2726 | pr_err("Can not allocate DPRAM memory for p_rx_fw_statistics_pram\n"); |
ce973b14 LY |
2727 | return -ENOMEM; |
2728 | } | |
2729 | ugeth->p_rx_fw_statistics_pram = | |
6fee40e9 | 2730 | (struct ucc_geth_rx_firmware_statistics_pram __iomem *) |
ce973b14 LY |
2731 | qe_muram_addr(ugeth->rx_fw_statistics_pram_offset); |
2732 | /* Zero out p_rx_fw_statistics_pram */ | |
6fee40e9 | 2733 | memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0, |
18a8e864 | 2734 | sizeof(struct ucc_geth_rx_firmware_statistics_pram)); |
ce973b14 LY |
2735 | } |
2736 | ||
2737 | /* intCoalescingPtr */ | |
2738 | ||
2739 | /* Size varies with number of Rx queues */ | |
2740 | ugeth->rx_irq_coalescing_tbl_offset = | |
2741 | qe_muram_alloc(ug_info->numQueuesRx * | |
7563907e MB |
2742 | sizeof(struct ucc_geth_rx_interrupt_coalescing_entry) |
2743 | + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT); | |
4c35630c | 2744 | if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) { |
890de95e | 2745 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2746 | pr_err("Can not allocate DPRAM memory for p_rx_irq_coalescing_tbl\n"); |
ce973b14 LY |
2747 | return -ENOMEM; |
2748 | } | |
2749 | ||
2750 | ugeth->p_rx_irq_coalescing_tbl = | |
6fee40e9 | 2751 | (struct ucc_geth_rx_interrupt_coalescing_table __iomem *) |
ce973b14 LY |
2752 | qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset); |
2753 | out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr, | |
2754 | ugeth->rx_irq_coalescing_tbl_offset); | |
2755 | ||
2756 | /* Fill interrupt coalescing table */ | |
2757 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
2758 | out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. | |
2759 | interruptcoalescingmaxvalue, | |
2760 | ug_info->interruptcoalescingmaxvalue[i]); | |
2761 | out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. | |
2762 | interruptcoalescingcounter, | |
2763 | ug_info->interruptcoalescingmaxvalue[i]); | |
2764 | } | |
2765 | ||
2766 | /* MRBLR */ | |
2767 | init_max_rx_buff_len(uf_info->max_rx_buf_length, | |
2768 | &ugeth->p_rx_glbl_pram->mrblr); | |
2769 | /* MFLR */ | |
2770 | out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength); | |
2771 | /* MINFLR */ | |
2772 | init_min_frame_len(ug_info->minFrameLength, | |
2773 | &ugeth->p_rx_glbl_pram->minflr, | |
2774 | &ugeth->p_rx_glbl_pram->mrblr); | |
2775 | /* MAXD1 */ | |
2776 | out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length); | |
2777 | /* MAXD2 */ | |
2778 | out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length); | |
2779 | ||
2780 | /* l2qt */ | |
2781 | l2qt = 0; | |
2782 | for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) | |
2783 | l2qt |= (ug_info->l2qt[i] << (28 - 4 * i)); | |
2784 | out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt); | |
2785 | ||
2786 | /* l3qt */ | |
2787 | for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) { | |
2788 | l3qt = 0; | |
2789 | for (i = 0; i < 8; i++) | |
2790 | l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i)); | |
18a8e864 | 2791 | out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt); |
ce973b14 LY |
2792 | } |
2793 | ||
2794 | /* vlantype */ | |
2795 | out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype); | |
2796 | ||
2797 | /* vlantci */ | |
2798 | out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci); | |
2799 | ||
2800 | /* ecamptr */ | |
2801 | out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr); | |
2802 | ||
2803 | /* RBDQPTR */ | |
2804 | /* Size varies with number of Rx queues */ | |
2805 | ugeth->rx_bd_qs_tbl_offset = | |
2806 | qe_muram_alloc(ug_info->numQueuesRx * | |
18a8e864 LY |
2807 | (sizeof(struct ucc_geth_rx_bd_queues_entry) + |
2808 | sizeof(struct ucc_geth_rx_prefetched_bds)), | |
ce973b14 | 2809 | UCC_GETH_RX_BD_QUEUES_ALIGNMENT); |
4c35630c | 2810 | if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) { |
890de95e | 2811 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2812 | pr_err("Can not allocate DPRAM memory for p_rx_bd_qs_tbl\n"); |
ce973b14 LY |
2813 | return -ENOMEM; |
2814 | } | |
2815 | ||
2816 | ugeth->p_rx_bd_qs_tbl = | |
6fee40e9 | 2817 | (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2818 | rx_bd_qs_tbl_offset); |
2819 | out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset); | |
2820 | /* Zero out p_rx_bd_qs_tbl */ | |
6fee40e9 | 2821 | memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl, |
ce973b14 | 2822 | 0, |
18a8e864 LY |
2823 | ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) + |
2824 | sizeof(struct ucc_geth_rx_prefetched_bds))); | |
ce973b14 LY |
2825 | |
2826 | /* Setup the table */ | |
2827 | /* Assume BD rings are already established */ | |
2828 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
2829 | if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) { | |
2830 | out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
2831 | (u32) virt_to_phys(ugeth->p_rx_bd_ring[i])); | |
2832 | } else if (ugeth->ug_info->uf_info.bd_mem_part == | |
2833 | MEM_PART_MURAM) { | |
2834 | out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
8b8642af | 2835 | (u32)qe_muram_dma(ugeth->p_rx_bd_ring[i])); |
ce973b14 LY |
2836 | } |
2837 | /* rest of fields handled by QE */ | |
2838 | } | |
2839 | ||
2840 | /* remoder */ | |
2841 | /* Already has speed set */ | |
2842 | ||
2843 | if (ugeth->rx_extended_features) | |
2844 | remoder |= REMODER_RX_EXTENDED_FEATURES; | |
2845 | if (ug_info->rxExtendedFiltering) | |
2846 | remoder |= REMODER_RX_EXTENDED_FILTERING; | |
2847 | if (ug_info->dynamicMaxFrameLength) | |
2848 | remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH; | |
2849 | if (ug_info->dynamicMinFrameLength) | |
2850 | remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH; | |
2851 | remoder |= | |
2852 | ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT; | |
2853 | remoder |= | |
2854 | ug_info-> | |
2855 | vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT; | |
2856 | remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT; | |
2857 | remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT); | |
2858 | if (ug_info->ipCheckSumCheck) | |
2859 | remoder |= REMODER_IP_CHECKSUM_CHECK; | |
2860 | if (ug_info->ipAddressAlignment) | |
2861 | remoder |= REMODER_IP_ADDRESS_ALIGNMENT; | |
2862 | out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder); | |
2863 | ||
2864 | /* Note that this function must be called */ | |
2865 | /* ONLY AFTER p_tx_fw_statistics_pram */ | |
2866 | /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */ | |
2867 | init_firmware_statistics_gathering_mode((ug_info-> | |
2868 | statisticsMode & | |
2869 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX), | |
2870 | (ug_info->statisticsMode & | |
2871 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX), | |
2872 | &ugeth->p_tx_glbl_pram->txrmonbaseptr, | |
2873 | ugeth->tx_fw_statistics_pram_offset, | |
2874 | &ugeth->p_rx_glbl_pram->rxrmonbaseptr, | |
2875 | ugeth->rx_fw_statistics_pram_offset, | |
2876 | &ugeth->p_tx_glbl_pram->temoder, | |
2877 | &ugeth->p_rx_glbl_pram->remoder); | |
2878 | ||
2879 | /* function code register */ | |
6fee40e9 | 2880 | out_8(&ugeth->p_rx_glbl_pram->rstate, function_code); |
ce973b14 LY |
2881 | |
2882 | /* initialize extended filtering */ | |
2883 | if (ug_info->rxExtendedFiltering) { | |
2884 | if (!ug_info->extendedFilteringChainPointer) { | |
890de95e | 2885 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2886 | pr_err("Null Extended Filtering Chain Pointer\n"); |
ce973b14 LY |
2887 | return -EINVAL; |
2888 | } | |
2889 | ||
2890 | /* Allocate memory for extended filtering Mode Global | |
2891 | Parameters */ | |
2892 | ugeth->exf_glbl_param_offset = | |
18a8e864 | 2893 | qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram), |
ce973b14 | 2894 | UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT); |
4c35630c | 2895 | if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) { |
890de95e | 2896 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2897 | pr_err("Can not allocate DPRAM memory for p_exf_glbl_param\n"); |
ce973b14 LY |
2898 | return -ENOMEM; |
2899 | } | |
2900 | ||
2901 | ugeth->p_exf_glbl_param = | |
6fee40e9 | 2902 | (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2903 | exf_glbl_param_offset); |
2904 | out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam, | |
2905 | ugeth->exf_glbl_param_offset); | |
2906 | out_be32(&ugeth->p_exf_glbl_param->l2pcdptr, | |
2907 | (u32) ug_info->extendedFilteringChainPointer); | |
2908 | ||
2909 | } else { /* initialize 82xx style address filtering */ | |
2910 | ||
2911 | /* Init individual address recognition registers to disabled */ | |
2912 | ||
2913 | for (j = 0; j < NUM_OF_PADDRS; j++) | |
2914 | ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j); | |
2915 | ||
ce973b14 | 2916 | p_82xx_addr_filt = |
6fee40e9 | 2917 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth-> |
ce973b14 LY |
2918 | p_rx_glbl_pram->addressfiltering; |
2919 | ||
2920 | ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, | |
2921 | ENET_ADDR_TYPE_GROUP); | |
2922 | ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, | |
2923 | ENET_ADDR_TYPE_INDIVIDUAL); | |
2924 | } | |
2925 | ||
2926 | /* | |
2927 | * Initialize UCC at QE level | |
2928 | */ | |
2929 | ||
2930 | command = QE_INIT_TX_RX; | |
2931 | ||
2932 | /* Allocate shadow InitEnet command parameter structure. | |
2933 | * This is needed because after the InitEnet command is executed, | |
2934 | * the structure in DPRAM is released, because DPRAM is a premium | |
2935 | * resource. | |
2936 | * This shadow structure keeps a copy of what was done so that the | |
2937 | * allocated resources can be released when the channel is freed. | |
2938 | */ | |
2939 | if (!(ugeth->p_init_enet_param_shadow = | |
04b588d7 | 2940 | kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) { |
890de95e | 2941 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2942 | pr_err("Can not allocate memory for p_UccInitEnetParamShadows\n"); |
ce973b14 LY |
2943 | return -ENOMEM; |
2944 | } | |
2945 | /* Zero out *p_init_enet_param_shadow */ | |
2946 | memset((char *)ugeth->p_init_enet_param_shadow, | |
18a8e864 | 2947 | 0, sizeof(struct ucc_geth_init_pram)); |
ce973b14 LY |
2948 | |
2949 | /* Fill shadow InitEnet command parameter structure */ | |
2950 | ||
2951 | ugeth->p_init_enet_param_shadow->resinit1 = | |
2952 | ENET_INIT_PARAM_MAGIC_RES_INIT1; | |
2953 | ugeth->p_init_enet_param_shadow->resinit2 = | |
2954 | ENET_INIT_PARAM_MAGIC_RES_INIT2; | |
2955 | ugeth->p_init_enet_param_shadow->resinit3 = | |
2956 | ENET_INIT_PARAM_MAGIC_RES_INIT3; | |
2957 | ugeth->p_init_enet_param_shadow->resinit4 = | |
2958 | ENET_INIT_PARAM_MAGIC_RES_INIT4; | |
2959 | ugeth->p_init_enet_param_shadow->resinit5 = | |
2960 | ENET_INIT_PARAM_MAGIC_RES_INIT5; | |
2961 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
2962 | ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT; | |
2963 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
2964 | ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT; | |
2965 | ||
2966 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
2967 | ugeth->rx_glbl_pram_offset | ug_info->riscRx; | |
2968 | if ((ug_info->largestexternallookupkeysize != | |
8e95a202 JP |
2969 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) && |
2970 | (ug_info->largestexternallookupkeysize != | |
2971 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) && | |
2972 | (ug_info->largestexternallookupkeysize != | |
2973 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) { | |
890de95e | 2974 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2975 | pr_err("Invalid largest External Lookup Key Size\n"); |
ce973b14 LY |
2976 | return -EINVAL; |
2977 | } | |
2978 | ugeth->p_init_enet_param_shadow->largestexternallookupkeysize = | |
2979 | ug_info->largestexternallookupkeysize; | |
18a8e864 | 2980 | size = sizeof(struct ucc_geth_thread_rx_pram); |
ce973b14 LY |
2981 | if (ug_info->rxExtendedFiltering) { |
2982 | size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; | |
2983 | if (ug_info->largestexternallookupkeysize == | |
8844a006 | 2984 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) |
ce973b14 LY |
2985 | size += |
2986 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; | |
2987 | if (ug_info->largestexternallookupkeysize == | |
8844a006 | 2988 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES) |
ce973b14 LY |
2989 | size += |
2990 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; | |
2991 | } | |
2992 | ||
2993 | if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth-> | |
2994 | p_init_enet_param_shadow->rxthread[0]), | |
2995 | (u8) (numThreadsRxNumerical + 1) | |
2996 | /* Rx needs one extra for terminator */ | |
2997 | , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT, | |
2998 | ug_info->riscRx, 1)) != 0) { | |
890de95e | 2999 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 3000 | pr_err("Can not fill p_init_enet_param_shadow\n"); |
ce973b14 LY |
3001 | return ret_val; |
3002 | } | |
3003 | ||
3004 | ugeth->p_init_enet_param_shadow->txglobal = | |
3005 | ugeth->tx_glbl_pram_offset | ug_info->riscTx; | |
3006 | if ((ret_val = | |
3007 | fill_init_enet_entries(ugeth, | |
3008 | &(ugeth->p_init_enet_param_shadow-> | |
3009 | txthread[0]), numThreadsTxNumerical, | |
18a8e864 | 3010 | sizeof(struct ucc_geth_thread_tx_pram), |
ce973b14 LY |
3011 | UCC_GETH_THREAD_TX_PRAM_ALIGNMENT, |
3012 | ug_info->riscTx, 0)) != 0) { | |
890de95e | 3013 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 3014 | pr_err("Can not fill p_init_enet_param_shadow\n"); |
ce973b14 LY |
3015 | return ret_val; |
3016 | } | |
3017 | ||
3018 | /* Load Rx bds with buffers */ | |
3019 | for (i = 0; i < ug_info->numQueuesRx; i++) { | |
3020 | if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) { | |
890de95e | 3021 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 3022 | pr_err("Can not fill Rx bds with buffers\n"); |
ce973b14 LY |
3023 | return ret_val; |
3024 | } | |
3025 | } | |
3026 | ||
3027 | /* Allocate InitEnet command parameter structure */ | |
18a8e864 | 3028 | init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4); |
4c35630c | 3029 | if (IS_ERR_VALUE(init_enet_pram_offset)) { |
890de95e | 3030 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 3031 | pr_err("Can not allocate DPRAM memory for p_init_enet_pram\n"); |
ce973b14 LY |
3032 | return -ENOMEM; |
3033 | } | |
3034 | p_init_enet_pram = | |
6fee40e9 | 3035 | (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset); |
ce973b14 LY |
3036 | |
3037 | /* Copy shadow InitEnet command parameter structure into PRAM */ | |
6fee40e9 AF |
3038 | out_8(&p_init_enet_pram->resinit1, |
3039 | ugeth->p_init_enet_param_shadow->resinit1); | |
3040 | out_8(&p_init_enet_pram->resinit2, | |
3041 | ugeth->p_init_enet_param_shadow->resinit2); | |
3042 | out_8(&p_init_enet_pram->resinit3, | |
3043 | ugeth->p_init_enet_param_shadow->resinit3); | |
3044 | out_8(&p_init_enet_pram->resinit4, | |
3045 | ugeth->p_init_enet_param_shadow->resinit4); | |
ce973b14 LY |
3046 | out_be16(&p_init_enet_pram->resinit5, |
3047 | ugeth->p_init_enet_param_shadow->resinit5); | |
6fee40e9 AF |
3048 | out_8(&p_init_enet_pram->largestexternallookupkeysize, |
3049 | ugeth->p_init_enet_param_shadow->largestexternallookupkeysize); | |
ce973b14 LY |
3050 | out_be32(&p_init_enet_pram->rgftgfrxglobal, |
3051 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal); | |
3052 | for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++) | |
3053 | out_be32(&p_init_enet_pram->rxthread[i], | |
3054 | ugeth->p_init_enet_param_shadow->rxthread[i]); | |
3055 | out_be32(&p_init_enet_pram->txglobal, | |
3056 | ugeth->p_init_enet_param_shadow->txglobal); | |
3057 | for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++) | |
3058 | out_be32(&p_init_enet_pram->txthread[i], | |
3059 | ugeth->p_init_enet_param_shadow->txthread[i]); | |
3060 | ||
3061 | /* Issue QE command */ | |
3062 | cecr_subblock = | |
3063 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
18a8e864 | 3064 | qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, |
ce973b14 LY |
3065 | init_enet_pram_offset); |
3066 | ||
3067 | /* Free InitEnet command parameter */ | |
3068 | qe_muram_free(init_enet_pram_offset); | |
3069 | ||
3070 | return 0; | |
3071 | } | |
3072 | ||
ce973b14 LY |
3073 | /* This is called by the kernel when a frame is ready for transmission. */ |
3074 | /* It is pointed to by the dev->hard_start_xmit function pointer */ | |
06983aa5 Y |
3075 | static netdev_tx_t |
3076 | ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
ce973b14 | 3077 | { |
18a8e864 | 3078 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
d5b9049d MR |
3079 | #ifdef CONFIG_UGETH_TX_ON_DEMAND |
3080 | struct ucc_fast_private *uccf; | |
3081 | #endif | |
6fee40e9 | 3082 | u8 __iomem *bd; /* BD pointer */ |
ce973b14 LY |
3083 | u32 bd_status; |
3084 | u8 txQ = 0; | |
22580f89 | 3085 | unsigned long flags; |
ce973b14 | 3086 | |
b39d66a8 | 3087 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3088 | |
f79e7115 | 3089 | netdev_sent_queue(dev, skb->len); |
22580f89 | 3090 | spin_lock_irqsave(&ugeth->lock, flags); |
ce973b14 | 3091 | |
09f75cd7 | 3092 | dev->stats.tx_bytes += skb->len; |
ce973b14 LY |
3093 | |
3094 | /* Start from the next BD that should be filled */ | |
3095 | bd = ugeth->txBd[txQ]; | |
6fee40e9 | 3096 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3097 | /* Save the skb pointer so we can free it later */ |
3098 | ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb; | |
3099 | ||
3100 | /* Update the current skb pointer (wrapping if this was the last) */ | |
3101 | ugeth->skb_curtx[txQ] = | |
3102 | (ugeth->skb_curtx[txQ] + | |
3103 | 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); | |
3104 | ||
3105 | /* set up the buffer descriptor */ | |
6fee40e9 | 3106 | out_be32(&((struct qe_bd __iomem *)bd)->buf, |
da1aa63e | 3107 | dma_map_single(ugeth->dev, skb->data, |
7f80202b | 3108 | skb->len, DMA_TO_DEVICE)); |
ce973b14 | 3109 | |
18a8e864 | 3110 | /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */ |
ce973b14 LY |
3111 | |
3112 | bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len; | |
3113 | ||
18a8e864 | 3114 | /* set bd status and length */ |
6fee40e9 | 3115 | out_be32((u32 __iomem *)bd, bd_status); |
ce973b14 | 3116 | |
ce973b14 LY |
3117 | /* Move to next BD in the ring */ |
3118 | if (!(bd_status & T_W)) | |
a394f013 | 3119 | bd += sizeof(struct qe_bd); |
ce973b14 | 3120 | else |
a394f013 | 3121 | bd = ugeth->p_tx_bd_ring[txQ]; |
ce973b14 LY |
3122 | |
3123 | /* If the next BD still needs to be cleaned up, then the bds | |
3124 | are full. We need to tell the kernel to stop sending us stuff. */ | |
3125 | if (bd == ugeth->confBd[txQ]) { | |
3126 | if (!netif_queue_stopped(dev)) | |
3127 | netif_stop_queue(dev); | |
3128 | } | |
3129 | ||
a394f013 LY |
3130 | ugeth->txBd[txQ] = bd; |
3131 | ||
d13d6bff RC |
3132 | skb_tx_timestamp(skb); |
3133 | ||
ce973b14 LY |
3134 | if (ugeth->p_scheduler) { |
3135 | ugeth->cpucount[txQ]++; | |
3136 | /* Indicate to QE that there are more Tx bds ready for | |
3137 | transmission */ | |
3138 | /* This is done by writing a running counter of the bd | |
3139 | count to the scheduler PRAM. */ | |
3140 | out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]); | |
3141 | } | |
3142 | ||
d5b9049d MR |
3143 | #ifdef CONFIG_UGETH_TX_ON_DEMAND |
3144 | uccf = ugeth->uccf; | |
3145 | out_be16(uccf->p_utodr, UCC_FAST_TOD); | |
3146 | #endif | |
22580f89 | 3147 | spin_unlock_irqrestore(&ugeth->lock, flags); |
ce973b14 | 3148 | |
6ed10654 | 3149 | return NETDEV_TX_OK; |
ce973b14 LY |
3150 | } |
3151 | ||
18a8e864 | 3152 | static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit) |
ce973b14 LY |
3153 | { |
3154 | struct sk_buff *skb; | |
6fee40e9 | 3155 | u8 __iomem *bd; |
ce973b14 LY |
3156 | u16 length, howmany = 0; |
3157 | u32 bd_status; | |
3158 | u8 *bdBuffer; | |
4b8fdefa | 3159 | struct net_device *dev; |
ce973b14 | 3160 | |
b39d66a8 | 3161 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3162 | |
da1aa63e | 3163 | dev = ugeth->ndev; |
88a15f2e | 3164 | |
ce973b14 LY |
3165 | /* collect received buffers */ |
3166 | bd = ugeth->rxBd[rxQ]; | |
3167 | ||
6fee40e9 | 3168 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3169 | |
3170 | /* while there are received buffers and BD is full (~R_E) */ | |
3171 | while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) { | |
6fee40e9 | 3172 | bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf); |
ce973b14 LY |
3173 | length = (u16) ((bd_status & BD_LENGTH_MASK) - 4); |
3174 | skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]]; | |
3175 | ||
3176 | /* determine whether buffer is first, last, first and last | |
3177 | (single buffer frame) or middle (not first and not last) */ | |
3178 | if (!skb || | |
3179 | (!(bd_status & (R_F | R_L))) || | |
3180 | (bd_status & R_ERRORS_FATAL)) { | |
890de95e | 3181 | if (netif_msg_rx_err(ugeth)) |
c84d8055 JP |
3182 | pr_err("%d: ERROR!!! skb - 0x%08x\n", |
3183 | __LINE__, (u32)skb); | |
66eef59f | 3184 | dev_kfree_skb(skb); |
ce973b14 LY |
3185 | |
3186 | ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL; | |
09f75cd7 | 3187 | dev->stats.rx_dropped++; |
ce973b14 | 3188 | } else { |
09f75cd7 | 3189 | dev->stats.rx_packets++; |
ce973b14 LY |
3190 | howmany++; |
3191 | ||
3192 | /* Prep the skb for the packet */ | |
3193 | skb_put(skb, length); | |
3194 | ||
3195 | /* Tell the skb what kind of packet this is */ | |
da1aa63e | 3196 | skb->protocol = eth_type_trans(skb, ugeth->ndev); |
ce973b14 | 3197 | |
09f75cd7 | 3198 | dev->stats.rx_bytes += length; |
ce973b14 | 3199 | /* Send the packet up the stack */ |
ce973b14 | 3200 | netif_receive_skb(skb); |
ce973b14 LY |
3201 | } |
3202 | ||
ce973b14 LY |
3203 | skb = get_new_skb(ugeth, bd); |
3204 | if (!skb) { | |
890de95e | 3205 | if (netif_msg_rx_err(ugeth)) |
c84d8055 | 3206 | pr_warn("No Rx Data Buffer\n"); |
09f75cd7 | 3207 | dev->stats.rx_dropped++; |
ce973b14 LY |
3208 | break; |
3209 | } | |
3210 | ||
3211 | ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb; | |
3212 | ||
3213 | /* update to point at the next skb */ | |
3214 | ugeth->skb_currx[rxQ] = | |
3215 | (ugeth->skb_currx[rxQ] + | |
3216 | 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]); | |
3217 | ||
3218 | if (bd_status & R_W) | |
3219 | bd = ugeth->p_rx_bd_ring[rxQ]; | |
3220 | else | |
18a8e864 | 3221 | bd += sizeof(struct qe_bd); |
ce973b14 | 3222 | |
6fee40e9 | 3223 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3224 | } |
3225 | ||
3226 | ugeth->rxBd[rxQ] = bd; | |
ce973b14 LY |
3227 | return howmany; |
3228 | } | |
3229 | ||
3230 | static int ucc_geth_tx(struct net_device *dev, u8 txQ) | |
3231 | { | |
3232 | /* Start from the next BD that should be filled */ | |
18a8e864 | 3233 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
f79e7115 JT |
3234 | unsigned int bytes_sent = 0; |
3235 | int howmany = 0; | |
6fee40e9 | 3236 | u8 __iomem *bd; /* BD pointer */ |
ce973b14 LY |
3237 | u32 bd_status; |
3238 | ||
3239 | bd = ugeth->confBd[txQ]; | |
6fee40e9 | 3240 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3241 | |
3242 | /* Normal processing. */ | |
3243 | while ((bd_status & T_R) == 0) { | |
50f238fd AV |
3244 | struct sk_buff *skb; |
3245 | ||
ce973b14 LY |
3246 | /* BD contains already transmitted buffer. */ |
3247 | /* Handle the transmitted buffer and release */ | |
3248 | /* the BD to be used with the current frame */ | |
3249 | ||
34692421 JW |
3250 | skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]; |
3251 | if (!skb) | |
ce973b14 | 3252 | break; |
f79e7115 JT |
3253 | howmany++; |
3254 | bytes_sent += skb->len; | |
09f75cd7 | 3255 | dev->stats.tx_packets++; |
ce973b14 | 3256 | |
36145741 | 3257 | dev_consume_skb_any(skb); |
50f238fd | 3258 | |
ce973b14 LY |
3259 | ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL; |
3260 | ugeth->skb_dirtytx[txQ] = | |
3261 | (ugeth->skb_dirtytx[txQ] + | |
3262 | 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); | |
3263 | ||
3264 | /* We freed a buffer, so now we can restart transmission */ | |
3265 | if (netif_queue_stopped(dev)) | |
3266 | netif_wake_queue(dev); | |
3267 | ||
3268 | /* Advance the confirmation BD pointer */ | |
3269 | if (!(bd_status & T_W)) | |
a394f013 | 3270 | bd += sizeof(struct qe_bd); |
ce973b14 | 3271 | else |
a394f013 | 3272 | bd = ugeth->p_tx_bd_ring[txQ]; |
6fee40e9 | 3273 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 | 3274 | } |
a394f013 | 3275 | ugeth->confBd[txQ] = bd; |
f79e7115 | 3276 | netdev_completed_queue(dev, howmany, bytes_sent); |
ce973b14 LY |
3277 | return 0; |
3278 | } | |
3279 | ||
bea3348e | 3280 | static int ucc_geth_poll(struct napi_struct *napi, int budget) |
ce973b14 | 3281 | { |
bea3348e | 3282 | struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi); |
702ff12c | 3283 | struct ucc_geth_info *ug_info; |
bea3348e | 3284 | int howmany, i; |
ce973b14 | 3285 | |
702ff12c MR |
3286 | ug_info = ugeth->ug_info; |
3287 | ||
0cededf3 JT |
3288 | /* Tx event processing */ |
3289 | spin_lock(&ugeth->lock); | |
3290 | for (i = 0; i < ug_info->numQueuesTx; i++) | |
3291 | ucc_geth_tx(ugeth->ndev, i); | |
3292 | spin_unlock(&ugeth->lock); | |
3293 | ||
50f238fd AV |
3294 | howmany = 0; |
3295 | for (i = 0; i < ug_info->numQueuesRx; i++) | |
3296 | howmany += ucc_geth_rx(ugeth, i, budget - howmany); | |
3297 | ||
bea3348e | 3298 | if (howmany < budget) { |
6ad20165 | 3299 | napi_complete_done(napi, howmany); |
0cededf3 | 3300 | setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS); |
702ff12c | 3301 | } |
ce973b14 | 3302 | |
bea3348e | 3303 | return howmany; |
ce973b14 | 3304 | } |
ce973b14 | 3305 | |
7d12e780 | 3306 | static irqreturn_t ucc_geth_irq_handler(int irq, void *info) |
ce973b14 | 3307 | { |
06efcad0 | 3308 | struct net_device *dev = info; |
18a8e864 LY |
3309 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
3310 | struct ucc_fast_private *uccf; | |
3311 | struct ucc_geth_info *ug_info; | |
702ff12c MR |
3312 | register u32 ucce; |
3313 | register u32 uccm; | |
ce973b14 | 3314 | |
b39d66a8 | 3315 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3316 | |
ce973b14 LY |
3317 | uccf = ugeth->uccf; |
3318 | ug_info = ugeth->ug_info; | |
3319 | ||
702ff12c MR |
3320 | /* read and clear events */ |
3321 | ucce = (u32) in_be32(uccf->p_ucce); | |
3322 | uccm = (u32) in_be32(uccf->p_uccm); | |
3323 | ucce &= uccm; | |
3324 | out_be32(uccf->p_ucce, ucce); | |
ce973b14 | 3325 | |
702ff12c | 3326 | /* check for receive events that require processing */ |
0cededf3 | 3327 | if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) { |
288379f0 | 3328 | if (napi_schedule_prep(&ugeth->napi)) { |
0cededf3 | 3329 | uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS); |
702ff12c | 3330 | out_be32(uccf->p_uccm, uccm); |
288379f0 | 3331 | __napi_schedule(&ugeth->napi); |
702ff12c | 3332 | } |
702ff12c | 3333 | } |
ce973b14 | 3334 | |
702ff12c MR |
3335 | /* Errors and other events */ |
3336 | if (ucce & UCCE_OTHER) { | |
3bc53427 | 3337 | if (ucce & UCC_GETH_UCCE_BSY) |
09f75cd7 | 3338 | dev->stats.rx_errors++; |
3bc53427 | 3339 | if (ucce & UCC_GETH_UCCE_TXE) |
09f75cd7 | 3340 | dev->stats.tx_errors++; |
ce973b14 | 3341 | } |
ce973b14 LY |
3342 | |
3343 | return IRQ_HANDLED; | |
3344 | } | |
3345 | ||
26d29ea7 AV |
3346 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3347 | /* | |
3348 | * Polling 'interrupt' - used by things like netconsole to send skbs | |
3349 | * without having to re-enable interrupts. It's not called while | |
3350 | * the interrupt routine is executing. | |
3351 | */ | |
3352 | static void ucc_netpoll(struct net_device *dev) | |
3353 | { | |
3354 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3355 | int irq = ugeth->ug_info->uf_info.irq; | |
3356 | ||
3357 | disable_irq(irq); | |
3358 | ucc_geth_irq_handler(irq, dev); | |
3359 | enable_irq(irq); | |
3360 | } | |
3361 | #endif /* CONFIG_NET_POLL_CONTROLLER */ | |
3362 | ||
3d6593e9 KH |
3363 | static int ucc_geth_set_mac_addr(struct net_device *dev, void *p) |
3364 | { | |
3365 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3366 | struct sockaddr *addr = p; | |
3367 | ||
3368 | if (!is_valid_ether_addr(addr->sa_data)) | |
3369 | return -EADDRNOTAVAIL; | |
3370 | ||
3371 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
3372 | ||
3373 | /* | |
3374 | * If device is not running, we will set mac addr register | |
3375 | * when opening the device. | |
3376 | */ | |
3377 | if (!netif_running(dev)) | |
3378 | return 0; | |
3379 | ||
3380 | spin_lock_irq(&ugeth->lock); | |
3381 | init_mac_station_addr_regs(dev->dev_addr[0], | |
3382 | dev->dev_addr[1], | |
3383 | dev->dev_addr[2], | |
3384 | dev->dev_addr[3], | |
3385 | dev->dev_addr[4], | |
3386 | dev->dev_addr[5], | |
3387 | &ugeth->ug_regs->macstnaddr1, | |
3388 | &ugeth->ug_regs->macstnaddr2); | |
3389 | spin_unlock_irq(&ugeth->lock); | |
3390 | ||
3391 | return 0; | |
3392 | } | |
3393 | ||
54b15983 | 3394 | static int ucc_geth_init_mac(struct ucc_geth_private *ugeth) |
ce973b14 | 3395 | { |
54b15983 | 3396 | struct net_device *dev = ugeth->ndev; |
ce973b14 LY |
3397 | int err; |
3398 | ||
728de4c9 KP |
3399 | err = ucc_struct_init(ugeth); |
3400 | if (err) { | |
c84d8055 | 3401 | netif_err(ugeth, ifup, dev, "Cannot configure internal struct, aborting\n"); |
54b15983 | 3402 | goto err; |
728de4c9 KP |
3403 | } |
3404 | ||
ce973b14 LY |
3405 | err = ucc_geth_startup(ugeth); |
3406 | if (err) { | |
c84d8055 | 3407 | netif_err(ugeth, ifup, dev, "Cannot configure net device, aborting\n"); |
54b15983 | 3408 | goto err; |
ce973b14 LY |
3409 | } |
3410 | ||
3411 | err = adjust_enet_interface(ugeth); | |
3412 | if (err) { | |
c84d8055 | 3413 | netif_err(ugeth, ifup, dev, "Cannot configure net device, aborting\n"); |
54b15983 | 3414 | goto err; |
ce973b14 LY |
3415 | } |
3416 | ||
3417 | /* Set MACSTNADDR1, MACSTNADDR2 */ | |
3418 | /* For more details see the hardware spec. */ | |
3419 | init_mac_station_addr_regs(dev->dev_addr[0], | |
3420 | dev->dev_addr[1], | |
3421 | dev->dev_addr[2], | |
3422 | dev->dev_addr[3], | |
3423 | dev->dev_addr[4], | |
3424 | dev->dev_addr[5], | |
3425 | &ugeth->ug_regs->macstnaddr1, | |
3426 | &ugeth->ug_regs->macstnaddr2); | |
3427 | ||
67c2fb8f | 3428 | err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); |
ce973b14 | 3429 | if (err) { |
c84d8055 | 3430 | netif_err(ugeth, ifup, dev, "Cannot enable net device, aborting\n"); |
54b15983 AV |
3431 | goto err; |
3432 | } | |
3433 | ||
3434 | return 0; | |
3435 | err: | |
3436 | ucc_geth_stop(ugeth); | |
3437 | return err; | |
3438 | } | |
3439 | ||
3440 | /* Called when something needs to use the ethernet device */ | |
3441 | /* Returns 0 for success. */ | |
3442 | static int ucc_geth_open(struct net_device *dev) | |
3443 | { | |
3444 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3445 | int err; | |
3446 | ||
3447 | ugeth_vdbg("%s: IN", __func__); | |
3448 | ||
3449 | /* Test station address */ | |
3450 | if (dev->dev_addr[0] & ENET_GROUP_ADDR) { | |
c84d8055 JP |
3451 | netif_err(ugeth, ifup, dev, |
3452 | "Multicast address used for station address - is this what you wanted?\n"); | |
54b15983 AV |
3453 | return -EINVAL; |
3454 | } | |
3455 | ||
3456 | err = init_phy(dev); | |
3457 | if (err) { | |
c84d8055 | 3458 | netif_err(ugeth, ifup, dev, "Cannot initialize PHY, aborting\n"); |
54b15983 AV |
3459 | return err; |
3460 | } | |
3461 | ||
3462 | err = ucc_geth_init_mac(ugeth); | |
3463 | if (err) { | |
c84d8055 | 3464 | netif_err(ugeth, ifup, dev, "Cannot initialize MAC, aborting\n"); |
54b15983 | 3465 | goto err; |
ce973b14 | 3466 | } |
ce973b14 | 3467 | |
67c2fb8f AV |
3468 | err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, |
3469 | 0, "UCC Geth", dev); | |
ce973b14 | 3470 | if (err) { |
c84d8055 | 3471 | netif_err(ugeth, ifup, dev, "Cannot get IRQ for net device, aborting\n"); |
54b15983 | 3472 | goto err; |
ce973b14 LY |
3473 | } |
3474 | ||
54b15983 AV |
3475 | phy_start(ugeth->phydev); |
3476 | napi_enable(&ugeth->napi); | |
f79e7115 | 3477 | netdev_reset_queue(dev); |
ce973b14 LY |
3478 | netif_start_queue(dev); |
3479 | ||
2394905f AV |
3480 | device_set_wakeup_capable(&dev->dev, |
3481 | qe_alive_during_sleep() || ugeth->phydev->irq); | |
3482 | device_set_wakeup_enable(&dev->dev, ugeth->wol_en); | |
3483 | ||
ce973b14 | 3484 | return err; |
bea3348e | 3485 | |
54b15983 | 3486 | err: |
ba574696 | 3487 | ucc_geth_stop(ugeth); |
bea3348e | 3488 | return err; |
ce973b14 LY |
3489 | } |
3490 | ||
3491 | /* Stops the kernel queue, and halts the controller */ | |
3492 | static int ucc_geth_close(struct net_device *dev) | |
3493 | { | |
18a8e864 | 3494 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
ce973b14 | 3495 | |
b39d66a8 | 3496 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3497 | |
bea3348e | 3498 | napi_disable(&ugeth->napi); |
bea3348e | 3499 | |
2040bd57 | 3500 | cancel_work_sync(&ugeth->timeout_work); |
ce973b14 | 3501 | ucc_geth_stop(ugeth); |
2040bd57 JT |
3502 | phy_disconnect(ugeth->phydev); |
3503 | ugeth->phydev = NULL; | |
ce973b14 | 3504 | |
da1aa63e | 3505 | free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev); |
67c2fb8f | 3506 | |
ce973b14 | 3507 | netif_stop_queue(dev); |
f79e7115 | 3508 | netdev_reset_queue(dev); |
ce973b14 LY |
3509 | |
3510 | return 0; | |
3511 | } | |
3512 | ||
fdb614c2 AV |
3513 | /* Reopen device. This will reset the MAC and PHY. */ |
3514 | static void ucc_geth_timeout_work(struct work_struct *work) | |
3515 | { | |
3516 | struct ucc_geth_private *ugeth; | |
3517 | struct net_device *dev; | |
3518 | ||
3519 | ugeth = container_of(work, struct ucc_geth_private, timeout_work); | |
da1aa63e | 3520 | dev = ugeth->ndev; |
fdb614c2 AV |
3521 | |
3522 | ugeth_vdbg("%s: IN", __func__); | |
3523 | ||
3524 | dev->stats.tx_errors++; | |
3525 | ||
3526 | ugeth_dump_regs(ugeth); | |
3527 | ||
3528 | if (dev->flags & IFF_UP) { | |
3529 | /* | |
3530 | * Must reset MAC *and* PHY. This is done by reopening | |
3531 | * the device. | |
3532 | */ | |
2040bd57 JT |
3533 | netif_tx_stop_all_queues(dev); |
3534 | ucc_geth_stop(ugeth); | |
3535 | ucc_geth_init_mac(ugeth); | |
3536 | /* Must start PHY here */ | |
3537 | phy_start(ugeth->phydev); | |
3538 | netif_tx_start_all_queues(dev); | |
fdb614c2 AV |
3539 | } |
3540 | ||
3541 | netif_tx_schedule_all(dev); | |
3542 | } | |
3543 | ||
3544 | /* | |
3545 | * ucc_geth_timeout gets called when a packet has not been | |
3546 | * transmitted after a set amount of time. | |
3547 | */ | |
0290bd29 | 3548 | static void ucc_geth_timeout(struct net_device *dev, unsigned int txqueue) |
fdb614c2 AV |
3549 | { |
3550 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3551 | ||
fdb614c2 AV |
3552 | schedule_work(&ugeth->timeout_work); |
3553 | } | |
3554 | ||
2394905f AV |
3555 | |
3556 | #ifdef CONFIG_PM | |
3557 | ||
2dc11581 | 3558 | static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state) |
2394905f | 3559 | { |
8513fbd8 | 3560 | struct net_device *ndev = platform_get_drvdata(ofdev); |
2394905f AV |
3561 | struct ucc_geth_private *ugeth = netdev_priv(ndev); |
3562 | ||
3563 | if (!netif_running(ndev)) | |
3564 | return 0; | |
3565 | ||
29fb00e0 | 3566 | netif_device_detach(ndev); |
2394905f AV |
3567 | napi_disable(&ugeth->napi); |
3568 | ||
3569 | /* | |
3570 | * Disable the controller, otherwise we'll wakeup on any network | |
3571 | * activity. | |
3572 | */ | |
3573 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
3574 | ||
3575 | if (ugeth->wol_en & WAKE_MAGIC) { | |
3576 | setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD); | |
3577 | setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE); | |
3578 | ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX); | |
3579 | } else if (!(ugeth->wol_en & WAKE_PHY)) { | |
3580 | phy_stop(ugeth->phydev); | |
3581 | } | |
3582 | ||
3583 | return 0; | |
3584 | } | |
3585 | ||
2dc11581 | 3586 | static int ucc_geth_resume(struct platform_device *ofdev) |
2394905f | 3587 | { |
8513fbd8 | 3588 | struct net_device *ndev = platform_get_drvdata(ofdev); |
2394905f AV |
3589 | struct ucc_geth_private *ugeth = netdev_priv(ndev); |
3590 | int err; | |
3591 | ||
3592 | if (!netif_running(ndev)) | |
3593 | return 0; | |
3594 | ||
3595 | if (qe_alive_during_sleep()) { | |
3596 | if (ugeth->wol_en & WAKE_MAGIC) { | |
3597 | ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX); | |
3598 | clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE); | |
3599 | clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD); | |
3600 | } | |
3601 | ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); | |
3602 | } else { | |
3603 | /* | |
3604 | * Full reinitialization is required if QE shuts down | |
3605 | * during sleep. | |
3606 | */ | |
3607 | ucc_geth_memclean(ugeth); | |
3608 | ||
3609 | err = ucc_geth_init_mac(ugeth); | |
3610 | if (err) { | |
c84d8055 | 3611 | netdev_err(ndev, "Cannot initialize MAC, aborting\n"); |
2394905f AV |
3612 | return err; |
3613 | } | |
3614 | } | |
3615 | ||
3616 | ugeth->oldlink = 0; | |
3617 | ugeth->oldspeed = 0; | |
3618 | ugeth->oldduplex = -1; | |
3619 | ||
3620 | phy_stop(ugeth->phydev); | |
3621 | phy_start(ugeth->phydev); | |
3622 | ||
3623 | napi_enable(&ugeth->napi); | |
29fb00e0 | 3624 | netif_device_attach(ndev); |
2394905f AV |
3625 | |
3626 | return 0; | |
3627 | } | |
3628 | ||
3629 | #else | |
3630 | #define ucc_geth_suspend NULL | |
3631 | #define ucc_geth_resume NULL | |
3632 | #endif | |
3633 | ||
4e19b5c1 | 3634 | static phy_interface_t to_phy_interface(const char *phy_connection_type) |
728de4c9 | 3635 | { |
4e19b5c1 | 3636 | if (strcasecmp(phy_connection_type, "mii") == 0) |
728de4c9 | 3637 | return PHY_INTERFACE_MODE_MII; |
4e19b5c1 | 3638 | if (strcasecmp(phy_connection_type, "gmii") == 0) |
728de4c9 | 3639 | return PHY_INTERFACE_MODE_GMII; |
4e19b5c1 | 3640 | if (strcasecmp(phy_connection_type, "tbi") == 0) |
728de4c9 | 3641 | return PHY_INTERFACE_MODE_TBI; |
4e19b5c1 | 3642 | if (strcasecmp(phy_connection_type, "rmii") == 0) |
728de4c9 | 3643 | return PHY_INTERFACE_MODE_RMII; |
4e19b5c1 | 3644 | if (strcasecmp(phy_connection_type, "rgmii") == 0) |
728de4c9 | 3645 | return PHY_INTERFACE_MODE_RGMII; |
4e19b5c1 | 3646 | if (strcasecmp(phy_connection_type, "rgmii-id") == 0) |
728de4c9 | 3647 | return PHY_INTERFACE_MODE_RGMII_ID; |
bd0ceaab KP |
3648 | if (strcasecmp(phy_connection_type, "rgmii-txid") == 0) |
3649 | return PHY_INTERFACE_MODE_RGMII_TXID; | |
3650 | if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0) | |
3651 | return PHY_INTERFACE_MODE_RGMII_RXID; | |
4e19b5c1 | 3652 | if (strcasecmp(phy_connection_type, "rtbi") == 0) |
728de4c9 | 3653 | return PHY_INTERFACE_MODE_RTBI; |
047584ce HW |
3654 | if (strcasecmp(phy_connection_type, "sgmii") == 0) |
3655 | return PHY_INTERFACE_MODE_SGMII; | |
728de4c9 KP |
3656 | |
3657 | return PHY_INTERFACE_MODE_MII; | |
3658 | } | |
3659 | ||
d19b5149 SM |
3660 | static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
3661 | { | |
3662 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3663 | ||
3664 | if (!netif_running(dev)) | |
3665 | return -EINVAL; | |
3666 | ||
3667 | if (!ugeth->phydev) | |
3668 | return -ENODEV; | |
3669 | ||
28b04113 | 3670 | return phy_mii_ioctl(ugeth->phydev, rq, cmd); |
d19b5149 SM |
3671 | } |
3672 | ||
a9dbae78 JT |
3673 | static const struct net_device_ops ucc_geth_netdev_ops = { |
3674 | .ndo_open = ucc_geth_open, | |
3675 | .ndo_stop = ucc_geth_close, | |
3676 | .ndo_start_xmit = ucc_geth_start_xmit, | |
3677 | .ndo_validate_addr = eth_validate_addr, | |
a28777f2 | 3678 | .ndo_change_carrier = fixed_phy_change_carrier, |
3d6593e9 | 3679 | .ndo_set_mac_address = ucc_geth_set_mac_addr, |
afc4b13d | 3680 | .ndo_set_rx_mode = ucc_geth_set_multi, |
a9dbae78 | 3681 | .ndo_tx_timeout = ucc_geth_timeout, |
d19b5149 | 3682 | .ndo_do_ioctl = ucc_geth_ioctl, |
a9dbae78 JT |
3683 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3684 | .ndo_poll_controller = ucc_netpoll, | |
3685 | #endif | |
3686 | }; | |
3687 | ||
74888760 | 3688 | static int ucc_geth_probe(struct platform_device* ofdev) |
ce973b14 | 3689 | { |
18a8e864 | 3690 | struct device *device = &ofdev->dev; |
61c7a080 | 3691 | struct device_node *np = ofdev->dev.of_node; |
ce973b14 LY |
3692 | struct net_device *dev = NULL; |
3693 | struct ucc_geth_private *ugeth = NULL; | |
3694 | struct ucc_geth_info *ug_info; | |
18a8e864 | 3695 | struct resource res; |
728de4c9 | 3696 | int err, ucc_num, max_speed = 0; |
18a8e864 | 3697 | const unsigned int *prop; |
9fb1e350 | 3698 | const char *sprop; |
9b4c7a4e | 3699 | const void *mac_addr; |
728de4c9 KP |
3700 | phy_interface_t phy_interface; |
3701 | static const int enet_to_speed[] = { | |
3702 | SPEED_10, SPEED_10, SPEED_10, | |
3703 | SPEED_100, SPEED_100, SPEED_100, | |
3704 | SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000, | |
3705 | }; | |
3706 | static const phy_interface_t enet_to_phy_interface[] = { | |
3707 | PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII, | |
3708 | PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII, | |
3709 | PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII, | |
3710 | PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII, | |
3711 | PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI, | |
047584ce | 3712 | PHY_INTERFACE_MODE_SGMII, |
728de4c9 | 3713 | }; |
ce973b14 | 3714 | |
b39d66a8 | 3715 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3716 | |
56626f33 AV |
3717 | prop = of_get_property(np, "cell-index", NULL); |
3718 | if (!prop) { | |
3719 | prop = of_get_property(np, "device-id", NULL); | |
3720 | if (!prop) | |
3721 | return -ENODEV; | |
3722 | } | |
3723 | ||
18a8e864 LY |
3724 | ucc_num = *prop - 1; |
3725 | if ((ucc_num < 0) || (ucc_num > 7)) | |
3726 | return -ENODEV; | |
3727 | ||
3728 | ug_info = &ugeth_info[ucc_num]; | |
890de95e LY |
3729 | if (ug_info == NULL) { |
3730 | if (netif_msg_probe(&debug)) | |
c84d8055 | 3731 | pr_err("[%d] Missing additional data!\n", ucc_num); |
890de95e LY |
3732 | return -ENODEV; |
3733 | } | |
3734 | ||
18a8e864 | 3735 | ug_info->uf_info.ucc_num = ucc_num; |
728de4c9 | 3736 | |
9fb1e350 TT |
3737 | sprop = of_get_property(np, "rx-clock-name", NULL); |
3738 | if (sprop) { | |
3739 | ug_info->uf_info.rx_clock = qe_clock_source(sprop); | |
3740 | if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) || | |
3741 | (ug_info->uf_info.rx_clock > QE_CLK24)) { | |
c84d8055 | 3742 | pr_err("invalid rx-clock-name property\n"); |
9fb1e350 TT |
3743 | return -EINVAL; |
3744 | } | |
3745 | } else { | |
3746 | prop = of_get_property(np, "rx-clock", NULL); | |
3747 | if (!prop) { | |
3748 | /* If both rx-clock-name and rx-clock are missing, | |
3749 | we want to tell people to use rx-clock-name. */ | |
c84d8055 | 3750 | pr_err("missing rx-clock-name property\n"); |
9fb1e350 TT |
3751 | return -EINVAL; |
3752 | } | |
3753 | if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { | |
b9780a81 | 3754 | pr_err("invalid rx-clock property\n"); |
9fb1e350 TT |
3755 | return -EINVAL; |
3756 | } | |
3757 | ug_info->uf_info.rx_clock = *prop; | |
3758 | } | |
3759 | ||
3760 | sprop = of_get_property(np, "tx-clock-name", NULL); | |
3761 | if (sprop) { | |
3762 | ug_info->uf_info.tx_clock = qe_clock_source(sprop); | |
3763 | if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) || | |
3764 | (ug_info->uf_info.tx_clock > QE_CLK24)) { | |
c84d8055 | 3765 | pr_err("invalid tx-clock-name property\n"); |
9fb1e350 TT |
3766 | return -EINVAL; |
3767 | } | |
3768 | } else { | |
e410553f | 3769 | prop = of_get_property(np, "tx-clock", NULL); |
9fb1e350 | 3770 | if (!prop) { |
c84d8055 | 3771 | pr_err("missing tx-clock-name property\n"); |
9fb1e350 TT |
3772 | return -EINVAL; |
3773 | } | |
3774 | if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { | |
c84d8055 | 3775 | pr_err("invalid tx-clock property\n"); |
9fb1e350 TT |
3776 | return -EINVAL; |
3777 | } | |
3778 | ug_info->uf_info.tx_clock = *prop; | |
3779 | } | |
3780 | ||
18a8e864 LY |
3781 | err = of_address_to_resource(np, 0, &res); |
3782 | if (err) | |
3783 | return -EINVAL; | |
3784 | ||
3785 | ug_info->uf_info.regs = res.start; | |
3786 | ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); | |
3104a6ff AV |
3787 | |
3788 | ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0); | |
a1f7d81b UKK |
3789 | if (!ug_info->phy_node && of_phy_is_fixed_link(np)) { |
3790 | /* | |
3791 | * In the case of a fixed PHY, the DT node associated | |
87009814 FF |
3792 | * to the PHY is the Ethernet MAC DT node. |
3793 | */ | |
a1f7d81b UKK |
3794 | err = of_phy_register_fixed_link(np); |
3795 | if (err) | |
3796 | return err; | |
f1f02fa4 | 3797 | ug_info->phy_node = of_node_get(np); |
87009814 | 3798 | } |
728de4c9 | 3799 | |
fb1001f3 HW |
3800 | /* Find the TBI PHY node. If it's not there, we don't support SGMII */ |
3801 | ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0); | |
3802 | ||
728de4c9 | 3803 | /* get the phy interface type, or default to MII */ |
4e19b5c1 | 3804 | prop = of_get_property(np, "phy-connection-type", NULL); |
728de4c9 KP |
3805 | if (!prop) { |
3806 | /* handle interface property present in old trees */ | |
3104a6ff | 3807 | prop = of_get_property(ug_info->phy_node, "interface", NULL); |
4e19b5c1 | 3808 | if (prop != NULL) { |
728de4c9 | 3809 | phy_interface = enet_to_phy_interface[*prop]; |
4e19b5c1 KP |
3810 | max_speed = enet_to_speed[*prop]; |
3811 | } else | |
728de4c9 KP |
3812 | phy_interface = PHY_INTERFACE_MODE_MII; |
3813 | } else { | |
3814 | phy_interface = to_phy_interface((const char *)prop); | |
3815 | } | |
3816 | ||
4e19b5c1 KP |
3817 | /* get speed, or derive from PHY interface */ |
3818 | if (max_speed == 0) | |
728de4c9 KP |
3819 | switch (phy_interface) { |
3820 | case PHY_INTERFACE_MODE_GMII: | |
3821 | case PHY_INTERFACE_MODE_RGMII: | |
3822 | case PHY_INTERFACE_MODE_RGMII_ID: | |
bd0ceaab KP |
3823 | case PHY_INTERFACE_MODE_RGMII_RXID: |
3824 | case PHY_INTERFACE_MODE_RGMII_TXID: | |
728de4c9 KP |
3825 | case PHY_INTERFACE_MODE_TBI: |
3826 | case PHY_INTERFACE_MODE_RTBI: | |
047584ce | 3827 | case PHY_INTERFACE_MODE_SGMII: |
728de4c9 KP |
3828 | max_speed = SPEED_1000; |
3829 | break; | |
3830 | default: | |
3831 | max_speed = SPEED_100; | |
3832 | break; | |
3833 | } | |
728de4c9 KP |
3834 | |
3835 | if (max_speed == SPEED_1000) { | |
fa1b42b4 DL |
3836 | unsigned int snums = qe_get_num_of_snums(); |
3837 | ||
4e19b5c1 | 3838 | /* configure muram FIFOs for gigabit operation */ |
728de4c9 KP |
3839 | ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT; |
3840 | ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT; | |
3841 | ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT; | |
3842 | ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT; | |
3843 | ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT; | |
3844 | ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT; | |
ffea31ed | 3845 | ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4; |
674e4f93 | 3846 | |
fa1b42b4 | 3847 | /* If QE's snum number is 46/76 which means we need to support |
674e4f93 HW |
3848 | * 4 UECs at 1000Base-T simultaneously, we need to allocate |
3849 | * more Threads to Rx. | |
3850 | */ | |
fa1b42b4 | 3851 | if ((snums == 76) || (snums == 46)) |
674e4f93 HW |
3852 | ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6; |
3853 | else | |
3854 | ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4; | |
728de4c9 KP |
3855 | } |
3856 | ||
890de95e | 3857 | if (netif_msg_probe(&debug)) |
2df9d673 VL |
3858 | pr_info("UCC%1d at 0x%8llx (irq = %d)\n", |
3859 | ug_info->uf_info.ucc_num + 1, | |
3860 | (u64)ug_info->uf_info.regs, | |
890de95e | 3861 | ug_info->uf_info.irq); |
ce973b14 | 3862 | |
ce973b14 LY |
3863 | /* Create an ethernet device instance */ |
3864 | dev = alloc_etherdev(sizeof(*ugeth)); | |
3865 | ||
fa310789 | 3866 | if (dev == NULL) { |
0807c4ce JH |
3867 | err = -ENOMEM; |
3868 | goto err_deregister_fixed_link; | |
fa310789 | 3869 | } |
ce973b14 LY |
3870 | |
3871 | ugeth = netdev_priv(dev); | |
3872 | spin_lock_init(&ugeth->lock); | |
3873 | ||
80a9fad8 AV |
3874 | /* Create CQs for hash tables */ |
3875 | INIT_LIST_HEAD(&ugeth->group_hash_q); | |
3876 | INIT_LIST_HEAD(&ugeth->ind_hash_q); | |
3877 | ||
ce973b14 LY |
3878 | dev_set_drvdata(device, dev); |
3879 | ||
3880 | /* Set the dev->base_addr to the gfar reg region */ | |
3881 | dev->base_addr = (unsigned long)(ug_info->uf_info.regs); | |
3882 | ||
ce973b14 LY |
3883 | SET_NETDEV_DEV(dev, device); |
3884 | ||
3885 | /* Fill in the dev structure */ | |
ac421852 | 3886 | uec_set_ethtool_ops(dev); |
a9dbae78 | 3887 | dev->netdev_ops = &ucc_geth_netdev_ops; |
ce973b14 | 3888 | dev->watchdog_timeo = TX_TIMEOUT; |
1762a29a | 3889 | INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work); |
0cededf3 | 3890 | netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64); |
ce973b14 | 3891 | dev->mtu = 1500; |
1385ae5c | 3892 | dev->max_mtu = 1518; |
ce973b14 | 3893 | |
890de95e | 3894 | ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT); |
728de4c9 KP |
3895 | ugeth->phy_interface = phy_interface; |
3896 | ugeth->max_speed = max_speed; | |
3897 | ||
1452db76 CC |
3898 | /* Carrier starts down, phylib will bring it up */ |
3899 | netif_carrier_off(dev); | |
3900 | ||
ce973b14 LY |
3901 | err = register_netdev(dev); |
3902 | if (err) { | |
890de95e | 3903 | if (netif_msg_probe(ugeth)) |
c84d8055 JP |
3904 | pr_err("%s: Cannot register net device, aborting\n", |
3905 | dev->name); | |
0807c4ce | 3906 | goto err_free_netdev; |
ce973b14 LY |
3907 | } |
3908 | ||
e9eb70c9 | 3909 | mac_addr = of_get_mac_address(np); |
a51645f7 | 3910 | if (!IS_ERR(mac_addr)) |
2d2924af | 3911 | ether_addr_copy(dev->dev_addr, mac_addr); |
ce973b14 | 3912 | |
728de4c9 | 3913 | ugeth->ug_info = ug_info; |
da1aa63e AV |
3914 | ugeth->dev = device; |
3915 | ugeth->ndev = dev; | |
b1c4a9dd | 3916 | ugeth->node = np; |
728de4c9 | 3917 | |
ce973b14 | 3918 | return 0; |
0807c4ce JH |
3919 | |
3920 | err_free_netdev: | |
3921 | free_netdev(dev); | |
3922 | err_deregister_fixed_link: | |
3923 | if (of_phy_is_fixed_link(np)) | |
3924 | of_phy_deregister_fixed_link(np); | |
3925 | of_node_put(ug_info->tbi_node); | |
3926 | of_node_put(ug_info->phy_node); | |
3927 | ||
3928 | return err; | |
ce973b14 LY |
3929 | } |
3930 | ||
2dc11581 | 3931 | static int ucc_geth_remove(struct platform_device* ofdev) |
ce973b14 | 3932 | { |
65d7e7ad | 3933 | struct net_device *dev = platform_get_drvdata(ofdev); |
ce973b14 | 3934 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
0807c4ce | 3935 | struct device_node *np = ofdev->dev.of_node; |
ce973b14 | 3936 | |
80a9fad8 | 3937 | unregister_netdev(dev); |
80a9fad8 | 3938 | ucc_geth_memclean(ugeth); |
0807c4ce JH |
3939 | if (of_phy_is_fixed_link(np)) |
3940 | of_phy_deregister_fixed_link(np); | |
4da5e6a0 UKK |
3941 | of_node_put(ugeth->ug_info->tbi_node); |
3942 | of_node_put(ugeth->ug_info->phy_node); | |
e925e0cd | 3943 | free_netdev(dev); |
ce973b14 LY |
3944 | |
3945 | return 0; | |
3946 | } | |
3947 | ||
94e5a2a8 | 3948 | static const struct of_device_id ucc_geth_match[] = { |
18a8e864 LY |
3949 | { |
3950 | .type = "network", | |
3951 | .compatible = "ucc_geth", | |
3952 | }, | |
3953 | {}, | |
3954 | }; | |
3955 | ||
3956 | MODULE_DEVICE_TABLE(of, ucc_geth_match); | |
3957 | ||
74888760 | 3958 | static struct platform_driver ucc_geth_driver = { |
4018294b GL |
3959 | .driver = { |
3960 | .name = DRV_NAME, | |
4018294b GL |
3961 | .of_match_table = ucc_geth_match, |
3962 | }, | |
18a8e864 LY |
3963 | .probe = ucc_geth_probe, |
3964 | .remove = ucc_geth_remove, | |
2394905f AV |
3965 | .suspend = ucc_geth_suspend, |
3966 | .resume = ucc_geth_resume, | |
ce973b14 LY |
3967 | }; |
3968 | ||
3969 | static int __init ucc_geth_init(void) | |
3970 | { | |
728de4c9 KP |
3971 | int i, ret; |
3972 | ||
890de95e | 3973 | if (netif_msg_drv(&debug)) |
c84d8055 | 3974 | pr_info(DRV_DESC "\n"); |
ce973b14 LY |
3975 | for (i = 0; i < 8; i++) |
3976 | memcpy(&(ugeth_info[i]), &ugeth_primary_info, | |
3977 | sizeof(ugeth_primary_info)); | |
3978 | ||
74888760 | 3979 | ret = platform_driver_register(&ucc_geth_driver); |
728de4c9 | 3980 | |
728de4c9 | 3981 | return ret; |
ce973b14 LY |
3982 | } |
3983 | ||
3984 | static void __exit ucc_geth_exit(void) | |
3985 | { | |
74888760 | 3986 | platform_driver_unregister(&ucc_geth_driver); |
ce973b14 LY |
3987 | } |
3988 | ||
3989 | module_init(ucc_geth_init); | |
3990 | module_exit(ucc_geth_exit); | |
3991 | ||
3992 | MODULE_AUTHOR("Freescale Semiconductor, Inc"); | |
3993 | MODULE_DESCRIPTION(DRV_DESC); | |
3994 | MODULE_LICENSE("GPL"); |