xref: /f-stack/dpdk/drivers/bus/dpaa/base/fman/fman_hw.c (revision 2d9fd380)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  * Copyright 2017 NXP
4  *
5  */
6 
7 #include <sys/types.h>
8 #include <sys/ioctl.h>
9 #include <ifaddrs.h>
10 #include <fman.h>
11 /* This header declares things about Fman hardware itself (the format of status
12  * words and an inline implementation of CRC64). We include it only in order to
13  * instantiate the one global variable it depends on.
14  */
15 #include <fsl_fman.h>
16 #include <fsl_fman_crc64.h>
17 #include <fsl_bman.h>
18 
19 #define FMAN_SP_SG_DISABLE                          0x80000000
20 #define FMAN_SP_EXT_BUF_MARG_START_SHIFT            16
21 
22 /* Instantiate the global variable that the inline CRC64 implementation (in
23  * <fsl_fman.h>) depends on.
24  */
25 DECLARE_FMAN_CRC64_TABLE();
26 
27 #define ETH_ADDR_TO_UINT64(eth_addr)                  \
28 	(uint64_t)(((uint64_t)(eth_addr)[0] << 40) |   \
29 	((uint64_t)(eth_addr)[1] << 32) |   \
30 	((uint64_t)(eth_addr)[2] << 24) |   \
31 	((uint64_t)(eth_addr)[3] << 16) |   \
32 	((uint64_t)(eth_addr)[4] << 8) |    \
33 	((uint64_t)(eth_addr)[5]))
34 
35 void
fman_if_set_mcast_filter_table(struct fman_if * p)36 fman_if_set_mcast_filter_table(struct fman_if *p)
37 {
38 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
39 	void *hashtable_ctrl;
40 	uint32_t i;
41 
42 	hashtable_ctrl = &((struct memac_regs *)__if->ccsr_map)->hashtable_ctrl;
43 	for (i = 0; i < 64; i++)
44 		out_be32(hashtable_ctrl, i|HASH_CTRL_MCAST_EN);
45 }
46 
47 void
fman_if_reset_mcast_filter_table(struct fman_if * p)48 fman_if_reset_mcast_filter_table(struct fman_if *p)
49 {
50 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
51 	void *hashtable_ctrl;
52 	uint32_t i;
53 
54 	hashtable_ctrl = &((struct memac_regs *)__if->ccsr_map)->hashtable_ctrl;
55 	for (i = 0; i < 64; i++)
56 		out_be32(hashtable_ctrl, i & ~HASH_CTRL_MCAST_EN);
57 }
58 
59 static
get_mac_hash_code(uint64_t eth_addr)60 uint32_t get_mac_hash_code(uint64_t eth_addr)
61 {
62 	uint64_t	mask1, mask2;
63 	uint32_t	xorVal = 0;
64 	uint8_t		i, j;
65 
66 	for (i = 0; i < 6; i++) {
67 		mask1 = eth_addr & (uint64_t)0x01;
68 		eth_addr >>= 1;
69 
70 		for (j = 0; j < 7; j++) {
71 			mask2 = eth_addr & (uint64_t)0x01;
72 			mask1 ^= mask2;
73 			eth_addr >>= 1;
74 		}
75 
76 		xorVal |= (mask1 << (5 - i));
77 	}
78 
79 	return xorVal;
80 }
81 
82 int
fman_if_add_hash_mac_addr(struct fman_if * p,uint8_t * eth)83 fman_if_add_hash_mac_addr(struct fman_if *p, uint8_t *eth)
84 {
85 	uint64_t eth_addr;
86 	void *hashtable_ctrl;
87 	uint32_t hash;
88 
89 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
90 
91 	eth_addr = ETH_ADDR_TO_UINT64(eth);
92 
93 	if (!(eth_addr & GROUP_ADDRESS))
94 		return -1;
95 
96 	hash = get_mac_hash_code(eth_addr) & HASH_CTRL_ADDR_MASK;
97 	hash = hash | HASH_CTRL_MCAST_EN;
98 
99 	hashtable_ctrl = &((struct memac_regs *)__if->ccsr_map)->hashtable_ctrl;
100 	out_be32(hashtable_ctrl, hash);
101 
102 	return 0;
103 }
104 
105 int
fman_if_get_primary_mac_addr(struct fman_if * p,uint8_t * eth)106 fman_if_get_primary_mac_addr(struct fman_if *p, uint8_t *eth)
107 {
108 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
109 	void *mac_reg =
110 		&((struct memac_regs *)__if->ccsr_map)->mac_addr0.mac_addr_l;
111 	u32 val = in_be32(mac_reg);
112 
113 	eth[0] = (val & 0x000000ff) >> 0;
114 	eth[1] = (val & 0x0000ff00) >> 8;
115 	eth[2] = (val & 0x00ff0000) >> 16;
116 	eth[3] = (val & 0xff000000) >> 24;
117 
118 	mac_reg =  &((struct memac_regs *)__if->ccsr_map)->mac_addr0.mac_addr_u;
119 	val = in_be32(mac_reg);
120 
121 	eth[4] = (val & 0x000000ff) >> 0;
122 	eth[5] = (val & 0x0000ff00) >> 8;
123 
124 	return 0;
125 }
126 
127 void
fman_if_clear_mac_addr(struct fman_if * p,uint8_t addr_num)128 fman_if_clear_mac_addr(struct fman_if *p, uint8_t addr_num)
129 {
130 	struct __fman_if *m = container_of(p, struct __fman_if, __if);
131 	void *reg;
132 
133 	if (addr_num) {
134 		reg = &((struct memac_regs *)m->ccsr_map)->
135 				mac_addr[addr_num-1].mac_addr_l;
136 		out_be32(reg, 0x0);
137 		reg = &((struct memac_regs *)m->ccsr_map)->
138 					mac_addr[addr_num-1].mac_addr_u;
139 		out_be32(reg, 0x0);
140 	} else {
141 		reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_l;
142 		out_be32(reg, 0x0);
143 		reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_u;
144 		out_be32(reg, 0x0);
145 	}
146 }
147 
148 int
fman_if_add_mac_addr(struct fman_if * p,uint8_t * eth,uint8_t addr_num)149 fman_if_add_mac_addr(struct fman_if *p, uint8_t *eth, uint8_t addr_num)
150 {
151 	struct __fman_if *m = container_of(p, struct __fman_if, __if);
152 
153 	void *reg;
154 	u32 val;
155 
156 	memcpy(&m->__if.mac_addr, eth, ETHER_ADDR_LEN);
157 
158 	if (addr_num)
159 		reg = &((struct memac_regs *)m->ccsr_map)->
160 					mac_addr[addr_num-1].mac_addr_l;
161 	else
162 		reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_l;
163 
164 	val = (m->__if.mac_addr.addr_bytes[0] |
165 	       (m->__if.mac_addr.addr_bytes[1] << 8) |
166 	       (m->__if.mac_addr.addr_bytes[2] << 16) |
167 	       (m->__if.mac_addr.addr_bytes[3] << 24));
168 	out_be32(reg, val);
169 
170 	if (addr_num)
171 		reg = &((struct memac_regs *)m->ccsr_map)->
172 					mac_addr[addr_num-1].mac_addr_u;
173 	else
174 		reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_u;
175 
176 	val = ((m->__if.mac_addr.addr_bytes[4] << 0) |
177 	       (m->__if.mac_addr.addr_bytes[5] << 8));
178 	out_be32(reg, val);
179 
180 	return 0;
181 }
182 
183 void
fman_if_set_rx_ignore_pause_frames(struct fman_if * p,bool enable)184 fman_if_set_rx_ignore_pause_frames(struct fman_if *p, bool enable)
185 {
186 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
187 	u32 value = 0;
188 	void *cmdcfg;
189 
190 	assert(fman_ccsr_map_fd != -1);
191 
192 	/* Set Rx Ignore Pause Frames */
193 	cmdcfg = &((struct memac_regs *)__if->ccsr_map)->command_config;
194 	if (enable)
195 		value = in_be32(cmdcfg) | CMD_CFG_PAUSE_IGNORE;
196 	else
197 		value = in_be32(cmdcfg) & ~CMD_CFG_PAUSE_IGNORE;
198 
199 	out_be32(cmdcfg, value);
200 }
201 
202 void
fman_if_conf_max_frame_len(struct fman_if * p,unsigned int max_frame_len)203 fman_if_conf_max_frame_len(struct fman_if *p, unsigned int max_frame_len)
204 {
205 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
206 	unsigned int *maxfrm;
207 
208 	assert(fman_ccsr_map_fd != -1);
209 
210 	/* Set Max frame length */
211 	maxfrm = &((struct memac_regs *)__if->ccsr_map)->maxfrm;
212 	out_be32(maxfrm, (MAXFRM_RX_MASK & max_frame_len));
213 }
214 
215 void
fman_if_stats_get(struct fman_if * p,struct rte_eth_stats * stats)216 fman_if_stats_get(struct fman_if *p, struct rte_eth_stats *stats)
217 {
218 	struct __fman_if *m = container_of(p, struct __fman_if, __if);
219 	struct memac_regs *regs = m->ccsr_map;
220 
221 	/* read recved packet count */
222 	stats->ipackets = ((u64)in_be32(&regs->rfrm_u)) << 32 |
223 			in_be32(&regs->rfrm_l);
224 	stats->ibytes = ((u64)in_be32(&regs->roct_u)) << 32 |
225 			in_be32(&regs->roct_l);
226 	stats->ierrors = ((u64)in_be32(&regs->rerr_u)) << 32 |
227 			in_be32(&regs->rerr_l);
228 
229 	/* read xmited packet count */
230 	stats->opackets = ((u64)in_be32(&regs->tfrm_u)) << 32 |
231 			in_be32(&regs->tfrm_l);
232 	stats->obytes = ((u64)in_be32(&regs->toct_u)) << 32 |
233 			in_be32(&regs->toct_l);
234 	stats->oerrors = ((u64)in_be32(&regs->terr_u)) << 32 |
235 			in_be32(&regs->terr_l);
236 }
237 
238 void
fman_if_stats_get_all(struct fman_if * p,uint64_t * value,int n)239 fman_if_stats_get_all(struct fman_if *p, uint64_t *value, int n)
240 {
241 	struct __fman_if *m = container_of(p, struct __fman_if, __if);
242 	struct memac_regs *regs = m->ccsr_map;
243 	int i;
244 	uint64_t base_offset = offsetof(struct memac_regs, reoct_l);
245 
246 	for (i = 0; i < n; i++)
247 		value[i] = ((u64)in_be32((char *)regs
248 				+ base_offset + 8 * i + 4)) << 32 |
249 				((u64)in_be32((char *)regs
250 				+ base_offset + 8 * i));
251 }
252 
253 void
fman_if_stats_reset(struct fman_if * p)254 fman_if_stats_reset(struct fman_if *p)
255 {
256 	struct __fman_if *m = container_of(p, struct __fman_if, __if);
257 	struct memac_regs *regs = m->ccsr_map;
258 	uint32_t tmp;
259 
260 	tmp = in_be32(&regs->statn_config);
261 
262 	tmp |= STATS_CFG_CLR;
263 
264 	out_be32(&regs->statn_config, tmp);
265 
266 	while (in_be32(&regs->statn_config) & STATS_CFG_CLR)
267 		;
268 }
269 
270 void
fman_if_promiscuous_enable(struct fman_if * p)271 fman_if_promiscuous_enable(struct fman_if *p)
272 {
273 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
274 	void *cmdcfg;
275 
276 	assert(fman_ccsr_map_fd != -1);
277 
278 	/* Enable Rx promiscuous mode */
279 	cmdcfg = &((struct memac_regs *)__if->ccsr_map)->command_config;
280 	out_be32(cmdcfg, in_be32(cmdcfg) | CMD_CFG_PROMIS_EN);
281 }
282 
283 void
fman_if_promiscuous_disable(struct fman_if * p)284 fman_if_promiscuous_disable(struct fman_if *p)
285 {
286 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
287 	void *cmdcfg;
288 
289 	assert(fman_ccsr_map_fd != -1);
290 
291 	/* Disable Rx promiscuous mode */
292 	cmdcfg = &((struct memac_regs *)__if->ccsr_map)->command_config;
293 	out_be32(cmdcfg, in_be32(cmdcfg) & (~CMD_CFG_PROMIS_EN));
294 }
295 
296 void
fman_if_enable_rx(struct fman_if * p)297 fman_if_enable_rx(struct fman_if *p)
298 {
299 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
300 
301 	assert(fman_ccsr_map_fd != -1);
302 
303 	/* enable Rx and Tx */
304 	out_be32(__if->ccsr_map + 8, in_be32(__if->ccsr_map + 8) | 3);
305 }
306 
307 void
fman_if_disable_rx(struct fman_if * p)308 fman_if_disable_rx(struct fman_if *p)
309 {
310 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
311 
312 	assert(fman_ccsr_map_fd != -1);
313 
314 	/* only disable Rx, not Tx */
315 	out_be32(__if->ccsr_map + 8, in_be32(__if->ccsr_map + 8) & ~(u32)2);
316 }
317 
318 void
fman_if_loopback_enable(struct fman_if * p)319 fman_if_loopback_enable(struct fman_if *p)
320 {
321 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
322 
323 	assert(fman_ccsr_map_fd != -1);
324 
325 	/* Enable loopback mode */
326 	if ((__if->__if.is_memac) && (__if->__if.is_rgmii)) {
327 		unsigned int *ifmode =
328 			&((struct memac_regs *)__if->ccsr_map)->if_mode;
329 		out_be32(ifmode, in_be32(ifmode) | IF_MODE_RLP);
330 	} else{
331 		unsigned int *cmdcfg =
332 			&((struct memac_regs *)__if->ccsr_map)->command_config;
333 		out_be32(cmdcfg, in_be32(cmdcfg) | CMD_CFG_LOOPBACK_EN);
334 	}
335 }
336 
337 void
fman_if_loopback_disable(struct fman_if * p)338 fman_if_loopback_disable(struct fman_if *p)
339 {
340 	struct __fman_if *__if = container_of(p, struct __fman_if, __if);
341 
342 	assert(fman_ccsr_map_fd != -1);
343 	/* Disable loopback mode */
344 	if ((__if->__if.is_memac) && (__if->__if.is_rgmii)) {
345 		unsigned int *ifmode =
346 			&((struct memac_regs *)__if->ccsr_map)->if_mode;
347 		out_be32(ifmode, in_be32(ifmode) & ~IF_MODE_RLP);
348 	} else {
349 		unsigned int *cmdcfg =
350 			&((struct memac_regs *)__if->ccsr_map)->command_config;
351 		out_be32(cmdcfg, in_be32(cmdcfg) & ~CMD_CFG_LOOPBACK_EN);
352 	}
353 }
354 
355 void
fman_if_set_bp(struct fman_if * fm_if,unsigned num __always_unused,int bpid,size_t bufsize)356 fman_if_set_bp(struct fman_if *fm_if, unsigned num __always_unused,
357 		    int bpid, size_t bufsize)
358 {
359 	u32 fmbm_ebmpi;
360 	u32 ebmpi_val_ace = 0xc0000000;
361 	u32 ebmpi_mask = 0xffc00000;
362 
363 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
364 
365 	assert(fman_ccsr_map_fd != -1);
366 
367 	fmbm_ebmpi =
368 	       in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ebmpi[0]);
369 	fmbm_ebmpi = ebmpi_val_ace | (fmbm_ebmpi & ebmpi_mask) | (bpid << 16) |
370 		     (bufsize);
371 
372 	out_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ebmpi[0],
373 		 fmbm_ebmpi);
374 }
375 
376 int
fman_if_get_fc_threshold(struct fman_if * fm_if)377 fman_if_get_fc_threshold(struct fman_if *fm_if)
378 {
379 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
380 	unsigned int *fmbm_mpd;
381 
382 	assert(fman_ccsr_map_fd != -1);
383 
384 	fmbm_mpd = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_mpd;
385 	return in_be32(fmbm_mpd);
386 }
387 
388 int
fman_if_set_fc_threshold(struct fman_if * fm_if,u32 high_water,u32 low_water,u32 bpid)389 fman_if_set_fc_threshold(struct fman_if *fm_if, u32 high_water,
390 			 u32 low_water, u32 bpid)
391 {
392 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
393 	unsigned int *fmbm_mpd;
394 
395 	assert(fman_ccsr_map_fd != -1);
396 
397 	fmbm_mpd = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_mpd;
398 	out_be32(fmbm_mpd, FMAN_ENABLE_BPOOL_DEPLETION);
399 	return bm_pool_set_hw_threshold(bpid, low_water, high_water);
400 
401 }
402 
403 int
fman_if_get_fc_quanta(struct fman_if * fm_if)404 fman_if_get_fc_quanta(struct fman_if *fm_if)
405 {
406 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
407 
408 	assert(fman_ccsr_map_fd != -1);
409 
410 	return in_be32(&((struct memac_regs *)__if->ccsr_map)->pause_quanta[0]);
411 }
412 
413 int
fman_if_set_fc_quanta(struct fman_if * fm_if,u16 pause_quanta)414 fman_if_set_fc_quanta(struct fman_if *fm_if, u16 pause_quanta)
415 {
416 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
417 
418 	assert(fman_ccsr_map_fd != -1);
419 
420 	out_be32(&((struct memac_regs *)__if->ccsr_map)->pause_quanta[0],
421 		 pause_quanta);
422 	return 0;
423 }
424 
425 int
fman_if_get_fdoff(struct fman_if * fm_if)426 fman_if_get_fdoff(struct fman_if *fm_if)
427 {
428 	u32 fmbm_rebm;
429 	int fdoff;
430 
431 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
432 
433 	assert(fman_ccsr_map_fd != -1);
434 
435 	fmbm_rebm = in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm);
436 
437 	fdoff = (fmbm_rebm >> FMAN_SP_EXT_BUF_MARG_START_SHIFT) & 0x1ff;
438 
439 	return fdoff;
440 }
441 
442 void
fman_if_set_err_fqid(struct fman_if * fm_if,uint32_t err_fqid)443 fman_if_set_err_fqid(struct fman_if *fm_if, uint32_t err_fqid)
444 {
445 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
446 
447 	assert(fman_ccsr_map_fd != -1);
448 
449 	unsigned int *fmbm_refqid =
450 			&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_refqid;
451 	out_be32(fmbm_refqid, err_fqid);
452 }
453 
454 int
fman_if_get_ic_params(struct fman_if * fm_if,struct fman_if_ic_params * icp)455 fman_if_get_ic_params(struct fman_if *fm_if, struct fman_if_ic_params *icp)
456 {
457 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
458 	int val = 0;
459 	int iceof_mask = 0x001f0000;
460 	int icsz_mask = 0x0000001f;
461 	int iciof_mask = 0x00000f00;
462 
463 	assert(fman_ccsr_map_fd != -1);
464 
465 	unsigned int *fmbm_ricp =
466 		&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ricp;
467 	val = in_be32(fmbm_ricp);
468 
469 	icp->iceof = (val & iceof_mask) >> 12;
470 	icp->iciof = (val & iciof_mask) >> 4;
471 	icp->icsz = (val & icsz_mask) << 4;
472 
473 	return 0;
474 }
475 
476 int
fman_if_set_ic_params(struct fman_if * fm_if,const struct fman_if_ic_params * icp)477 fman_if_set_ic_params(struct fman_if *fm_if,
478 			  const struct fman_if_ic_params *icp)
479 {
480 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
481 	int val = 0;
482 	int iceof_mask = 0x001f0000;
483 	int icsz_mask = 0x0000001f;
484 	int iciof_mask = 0x00000f00;
485 
486 	assert(fman_ccsr_map_fd != -1);
487 
488 	val |= (icp->iceof << 12) & iceof_mask;
489 	val |= (icp->iciof << 4) & iciof_mask;
490 	val |= (icp->icsz >> 4) & icsz_mask;
491 
492 	unsigned int *fmbm_ricp =
493 		&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ricp;
494 	out_be32(fmbm_ricp, val);
495 
496 	return 0;
497 }
498 
499 void
fman_if_set_fdoff(struct fman_if * fm_if,uint32_t fd_offset)500 fman_if_set_fdoff(struct fman_if *fm_if, uint32_t fd_offset)
501 {
502 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
503 	unsigned int *fmbm_rebm;
504 	int val = 0;
505 	int fmbm_mask = 0x01ff0000;
506 
507 	val = fd_offset << FMAN_SP_EXT_BUF_MARG_START_SHIFT;
508 
509 	assert(fman_ccsr_map_fd != -1);
510 
511 	fmbm_rebm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm;
512 
513 	out_be32(fmbm_rebm, (in_be32(fmbm_rebm) & ~fmbm_mask) | val);
514 }
515 
516 void
fman_if_set_maxfrm(struct fman_if * fm_if,uint16_t max_frm)517 fman_if_set_maxfrm(struct fman_if *fm_if, uint16_t max_frm)
518 {
519 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
520 	unsigned int *reg_maxfrm;
521 
522 	assert(fman_ccsr_map_fd != -1);
523 
524 	reg_maxfrm = &((struct memac_regs *)__if->ccsr_map)->maxfrm;
525 
526 	out_be32(reg_maxfrm, (in_be32(reg_maxfrm) & 0xFFFF0000) | max_frm);
527 }
528 
529 uint16_t
fman_if_get_maxfrm(struct fman_if * fm_if)530 fman_if_get_maxfrm(struct fman_if *fm_if)
531 {
532 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
533 	unsigned int *reg_maxfrm;
534 
535 	assert(fman_ccsr_map_fd != -1);
536 
537 	reg_maxfrm = &((struct memac_regs *)__if->ccsr_map)->maxfrm;
538 
539 	return (in_be32(reg_maxfrm) | 0x0000FFFF);
540 }
541 
542 /* MSB in fmbm_rebm register
543  * 0 - If BMI cannot store the frame in a single buffer it may select a buffer
544  *     of smaller size and store the frame in scatter gather (S/G) buffers
545  * 1 - Scatter gather format is not enabled for frame storage. If BMI cannot
546  *     store the frame in a single buffer, the frame is discarded.
547  */
548 
549 int
fman_if_get_sg_enable(struct fman_if * fm_if)550 fman_if_get_sg_enable(struct fman_if *fm_if)
551 {
552 	u32 fmbm_rebm;
553 
554 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
555 
556 	assert(fman_ccsr_map_fd != -1);
557 
558 	fmbm_rebm = in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm);
559 
560 	return (fmbm_rebm & FMAN_SP_SG_DISABLE) ? 0 : 1;
561 }
562 
563 void
fman_if_set_sg(struct fman_if * fm_if,int enable)564 fman_if_set_sg(struct fman_if *fm_if, int enable)
565 {
566 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
567 	unsigned int *fmbm_rebm;
568 	int val;
569 	int fmbm_mask = FMAN_SP_SG_DISABLE;
570 
571 	if (enable)
572 		val = 0;
573 	else
574 		val = FMAN_SP_SG_DISABLE;
575 
576 	assert(fman_ccsr_map_fd != -1);
577 
578 	fmbm_rebm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm;
579 
580 	out_be32(fmbm_rebm, (in_be32(fmbm_rebm) & ~fmbm_mask) | val);
581 }
582 
583 void
fman_if_set_dnia(struct fman_if * fm_if,uint32_t nia)584 fman_if_set_dnia(struct fman_if *fm_if, uint32_t nia)
585 {
586 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
587 	unsigned int *fmqm_pndn;
588 
589 	assert(fman_ccsr_map_fd != -1);
590 
591 	fmqm_pndn = &((struct fman_port_qmi_regs *)__if->qmi_map)->fmqm_pndn;
592 
593 	out_be32(fmqm_pndn, nia);
594 }
595 
596 void
fman_if_discard_rx_errors(struct fman_if * fm_if)597 fman_if_discard_rx_errors(struct fman_if *fm_if)
598 {
599 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
600 	unsigned int *fmbm_rfsdm, *fmbm_rfsem;
601 
602 	fmbm_rfsem = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rfsem;
603 	out_be32(fmbm_rfsem, 0);
604 
605 	/* Configure the discard mask to discard the error packets which have
606 	 * DMA errors, Frame size error, Header error etc. The mask 0x010EE3F0
607 	 * is to configured discard all the errors which come in the FD[STATUS]
608 	 */
609 	fmbm_rfsdm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rfsdm;
610 	out_be32(fmbm_rfsdm, 0x010EE3F0);
611 }
612 
613 void
fman_if_receive_rx_errors(struct fman_if * fm_if,unsigned int err_eq)614 fman_if_receive_rx_errors(struct fman_if *fm_if,
615 	unsigned int err_eq)
616 {
617 	struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
618 	unsigned int *fmbm_rcfg, *fmbm_rfsdm, *fmbm_rfsem;
619 	unsigned int val;
620 
621 	fmbm_rcfg = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rcfg;
622 	fmbm_rfsdm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rfsdm;
623 	fmbm_rfsem = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rfsem;
624 
625 	val = in_be32(fmbm_rcfg);
626 	out_be32(fmbm_rcfg, val | BMI_PORT_CFG_FDOVR);
627 
628 	out_be32(fmbm_rfsdm, 0);
629 	out_be32(fmbm_rfsem, err_eq);
630 }
631