1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2018-2022 Marvell International Ltd.
4  *
5  * PKI helper functions.
6  */
7 
8 #include <time.h>
9 #include <log.h>
10 #include <linux/delay.h>
11 
12 #include <mach/cvmx-regs.h>
13 #include <mach/cvmx-csr.h>
14 #include <mach/cvmx-bootmem.h>
15 #include <mach/octeon-model.h>
16 #include <mach/cvmx-fuse.h>
17 #include <mach/octeon-feature.h>
18 #include <mach/cvmx-qlm.h>
19 #include <mach/octeon_qlm.h>
20 #include <mach/cvmx-pcie.h>
21 #include <mach/cvmx-coremask.h>
22 
23 #include <mach/cvmx-agl-defs.h>
24 #include <mach/cvmx-bgxx-defs.h>
25 #include <mach/cvmx-ciu-defs.h>
26 #include <mach/cvmx-gmxx-defs.h>
27 #include <mach/cvmx-gserx-defs.h>
28 #include <mach/cvmx-ilk-defs.h>
29 #include <mach/cvmx-ipd-defs.h>
30 #include <mach/cvmx-pexp-defs.h>
31 #include <mach/cvmx-pcsx-defs.h>
32 #include <mach/cvmx-pcsxx-defs.h>
33 #include <mach/cvmx-pki-defs.h>
34 #include <mach/cvmx-pko-defs.h>
35 #include <mach/cvmx-sli-defs.h>
36 #include <mach/cvmx-xcv-defs.h>
37 
38 #include <mach/cvmx-hwpko.h>
39 #include <mach/cvmx-ilk.h>
40 #include <mach/cvmx-pki.h>
41 
42 #include <mach/cvmx-helper.h>
43 #include <mach/cvmx-helper-board.h>
44 #include <mach/cvmx-helper-cfg.h>
45 #include <mach/cvmx-helper-pki.h>
46 
47 #include <mach/cvmx-global-resources.h>
48 #include <mach/cvmx-pko-internal-ports-range.h>
49 #include <mach/cvmx-ilk.h>
50 #include <mach/cvmx-pip.h>
51 
52 static int pki_helper_debug;
53 
54 bool cvmx_pki_dflt_init[CVMX_MAX_NODES] = { [0 ... CVMX_MAX_NODES - 1] = 1 };
55 
56 static bool cvmx_pki_dflt_bp_en[CVMX_MAX_NODES] = { [0 ... CVMX_MAX_NODES - 1] =
57 							    true };
58 static struct cvmx_pki_cluster_grp_config pki_dflt_clgrp[CVMX_MAX_NODES] = {
59 	{ 0, 0xf },
60 	{ 0, 0xf }
61 };
62 
63 struct cvmx_pki_pool_config pki_dflt_pool[CVMX_MAX_NODES] = {
64 	[0 ... CVMX_MAX_NODES -
65 	 1] = { .pool_num = -1, .buffer_size = 2048, .buffer_count = 0 }
66 };
67 
68 struct cvmx_pki_aura_config pki_dflt_aura[CVMX_MAX_NODES] = {
69 	[0 ... CVMX_MAX_NODES -
70 	 1] = { .aura_num = 0, .pool_num = -1, .buffer_count = 0 }
71 };
72 
73 struct cvmx_pki_style_config pki_dflt_style[CVMX_MAX_NODES] = {
74 	[0 ... CVMX_MAX_NODES - 1] = { .parm_cfg = { .lenerr_en = 1,
75 						     .maxerr_en = 1,
76 						     .minerr_en = 1,
77 						     .fcs_strip = 1,
78 						     .fcs_chk = 1,
79 						     .first_skip = 40,
80 						     .mbuff_size = 2048 } }
81 };
82 
83 struct cvmx_pki_sso_grp_config pki_dflt_sso_grp[CVMX_MAX_NODES];
84 struct cvmx_pki_qpg_config pki_dflt_qpg[CVMX_MAX_NODES];
85 struct cvmx_pki_pkind_config pki_dflt_pkind[CVMX_MAX_NODES];
86 u64 pkind_style_map[CVMX_MAX_NODES][CVMX_PKI_NUM_PKIND] = {
87 	[0 ... CVMX_MAX_NODES -
88 	 1] = { 0,  1,	2,  3,	4,  5,	6,  7,	8,  9,	10, 11, 12, 13, 14, 15,
89 		16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
90 		32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
91 		48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63 }
92 };
93 
94 /* To store the qos watcher values before they are written to pcam when watcher
95  * is enabled. There is no cvmx-pip.c file exist so it ended up here
96  */
97 struct cvmx_pki_legacy_qos_watcher qos_watcher[8];
98 
99 /** @INTERNAL
100  * This function setsup default ltype map
101  * @param node    node number
102  */
__cvmx_helper_pki_set_dflt_ltype_map(int node)103 void __cvmx_helper_pki_set_dflt_ltype_map(int node)
104 {
105 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_NONE,
106 				 CVMX_PKI_BELTYPE_NONE);
107 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_ENET,
108 				 CVMX_PKI_BELTYPE_MISC);
109 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_VLAN,
110 				 CVMX_PKI_BELTYPE_MISC);
111 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SNAP_PAYLD,
112 				 CVMX_PKI_BELTYPE_MISC);
113 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_ARP,
114 				 CVMX_PKI_BELTYPE_MISC);
115 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_RARP,
116 				 CVMX_PKI_BELTYPE_MISC);
117 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP4,
118 				 CVMX_PKI_BELTYPE_IP4);
119 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP4_OPT,
120 				 CVMX_PKI_BELTYPE_IP4);
121 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP6,
122 				 CVMX_PKI_BELTYPE_IP6);
123 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP6_OPT,
124 				 CVMX_PKI_BELTYPE_IP6);
125 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IPSEC_ESP,
126 				 CVMX_PKI_BELTYPE_MISC);
127 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IPFRAG,
128 				 CVMX_PKI_BELTYPE_MISC);
129 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IPCOMP,
130 				 CVMX_PKI_BELTYPE_MISC);
131 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_TCP,
132 				 CVMX_PKI_BELTYPE_TCP);
133 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_UDP,
134 				 CVMX_PKI_BELTYPE_UDP);
135 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SCTP,
136 				 CVMX_PKI_BELTYPE_SCTP);
137 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_UDP_VXLAN,
138 				 CVMX_PKI_BELTYPE_UDP);
139 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_GRE,
140 				 CVMX_PKI_BELTYPE_MISC);
141 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_NVGRE,
142 				 CVMX_PKI_BELTYPE_MISC);
143 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_GTP,
144 				 CVMX_PKI_BELTYPE_MISC);
145 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW28,
146 				 CVMX_PKI_BELTYPE_MISC);
147 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW29,
148 				 CVMX_PKI_BELTYPE_MISC);
149 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW30,
150 				 CVMX_PKI_BELTYPE_MISC);
151 	cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW31,
152 				 CVMX_PKI_BELTYPE_MISC);
153 }
154 
155 /** @INTERNAL
156  * This function installs the default VLAN entries to identify
157  * the VLAN and set WQE[vv], WQE[vs] if VLAN is found. In 78XX
158  * hardware (PKI) is not hardwired to recognize any 802.1Q VLAN
159  * Ethertypes
160  *
161  * @param node    node number
162  */
__cvmx_helper_pki_install_dflt_vlan(int node)163 int __cvmx_helper_pki_install_dflt_vlan(int node)
164 {
165 	struct cvmx_pki_pcam_input pcam_input;
166 	struct cvmx_pki_pcam_action pcam_action;
167 	enum cvmx_pki_term field;
168 	int index;
169 	int bank;
170 	u64 cl_mask = CVMX_PKI_CLUSTER_ALL;
171 
172 	memset(&pcam_input, 0, sizeof(pcam_input));
173 	memset(&pcam_action, 0, sizeof(pcam_action));
174 
175 	if (OCTEON_IS_MODEL(OCTEON_CN78XX_PASS1_X)) {
176 		/* PKI-20858 */
177 		int i;
178 
179 		for (i = 0; i < 4; i++) {
180 			union cvmx_pki_clx_ecc_ctl ecc_ctl;
181 
182 			ecc_ctl.u64 =
183 				csr_rd_node(node, CVMX_PKI_CLX_ECC_CTL(i));
184 			ecc_ctl.s.pcam_en = 0;
185 			ecc_ctl.s.pcam0_cdis = 1;
186 			ecc_ctl.s.pcam1_cdis = 1;
187 			csr_wr_node(node, CVMX_PKI_CLX_ECC_CTL(i), ecc_ctl.u64);
188 		}
189 	}
190 
191 	for (field = CVMX_PKI_PCAM_TERM_ETHTYPE0;
192 	     field < CVMX_PKI_PCAM_TERM_ETHTYPE2; field++) {
193 		bank = field & 0x01;
194 
195 		index = cvmx_pki_pcam_entry_alloc(
196 			node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
197 		if (index < 0) {
198 			debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
199 			      node, bank);
200 			return -1;
201 		}
202 		pcam_input.style = 0;
203 		pcam_input.style_mask = 0;
204 		pcam_input.field = field;
205 		pcam_input.field_mask = 0xfd;
206 		pcam_input.data = 0x81000000;
207 		pcam_input.data_mask = 0xffff0000;
208 		pcam_action.parse_mode_chg = CVMX_PKI_PARSE_NO_CHG;
209 		pcam_action.layer_type_set = CVMX_PKI_LTYPE_E_VLAN;
210 		pcam_action.style_add = 0;
211 		pcam_action.pointer_advance = 4;
212 		cvmx_pki_pcam_write_entry(
213 			node, index, cl_mask, pcam_input,
214 			pcam_action); /*cluster_mask in pass2*/
215 
216 		index = cvmx_pki_pcam_entry_alloc(
217 			node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
218 		if (index < 0) {
219 			debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
220 			      node, bank);
221 			return -1;
222 		}
223 		pcam_input.data = 0x88a80000;
224 		cvmx_pki_pcam_write_entry(node, index, cl_mask, pcam_input,
225 					  pcam_action);
226 
227 		index = cvmx_pki_pcam_entry_alloc(
228 			node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
229 		if (index < 0) {
230 			debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
231 			      node, bank);
232 			return -1;
233 		}
234 		pcam_input.data = 0x92000000;
235 		cvmx_pki_pcam_write_entry(
236 			node, index, cl_mask, pcam_input,
237 			pcam_action); /* cluster_mask in pass2*/
238 
239 		index = cvmx_pki_pcam_entry_alloc(
240 			node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
241 		if (index < 0) {
242 			debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
243 			      node, bank);
244 			return -1;
245 		}
246 		pcam_input.data = 0x91000000;
247 		cvmx_pki_pcam_write_entry(node, index, cl_mask, pcam_input,
248 					  pcam_action);
249 	}
250 	return 0;
251 }
252 
__cvmx_helper_setup_pki_cluster_groups(int node)253 static int __cvmx_helper_setup_pki_cluster_groups(int node)
254 {
255 	u64 cl_mask;
256 	int cl_group;
257 
258 	cl_group =
259 		cvmx_pki_cluster_grp_alloc(node, pki_dflt_clgrp[node].grp_num);
260 	if (cl_group == CVMX_RESOURCE_ALLOC_FAILED)
261 		return -1;
262 	else if (cl_group == CVMX_RESOURCE_ALREADY_RESERVED) {
263 		if (pki_dflt_clgrp[node].grp_num == -1)
264 			return -1;
265 		else
266 			return 0; /* cluster already configured, share it */
267 	}
268 	cl_mask = pki_dflt_clgrp[node].cluster_mask;
269 	if (pki_helper_debug)
270 		debug("pki-helper: setup pki cluster grp %d with cl_mask 0x%llx\n",
271 		      (int)cl_group, (unsigned long long)cl_mask);
272 	cvmx_pki_attach_cluster_to_group(node, cl_group, cl_mask);
273 	return 0;
274 }
275 
276 /**
277  * This function sets up pools/auras to be used by PKI
278  * @param node    node number
279  */
__cvmx_helper_pki_setup_fpa_pools(int node)280 static int __cvmx_helper_pki_setup_fpa_pools(int node)
281 {
282 	u64 buffer_count;
283 	u64 buffer_size;
284 
285 	if (__cvmx_fpa3_aura_valid(pki_dflt_aura[node].aura))
286 		return 0; /* aura already configured, share it */
287 
288 	buffer_count = pki_dflt_pool[node].buffer_count;
289 	buffer_size = pki_dflt_pool[node].buffer_size;
290 
291 	if (buffer_count != 0) {
292 		pki_dflt_pool[node].pool = cvmx_fpa3_setup_fill_pool(
293 			node, pki_dflt_pool[node].pool_num, "PKI POOL DFLT",
294 			buffer_size, buffer_count, NULL);
295 		if (!__cvmx_fpa3_pool_valid(pki_dflt_pool[node].pool)) {
296 			cvmx_printf("ERROR: %s: Failed to allocate pool %d\n",
297 				    __func__, pki_dflt_pool[node].pool_num);
298 			return -1;
299 		}
300 		pki_dflt_pool[node].pool_num = pki_dflt_pool[node].pool.lpool;
301 
302 		if (pki_helper_debug)
303 			debug("%s pool %d with buffer size %d cnt %d\n",
304 			      __func__, pki_dflt_pool[node].pool_num,
305 			      (int)buffer_size, (int)buffer_count);
306 
307 		pki_dflt_aura[node].pool_num = pki_dflt_pool[node].pool_num;
308 		pki_dflt_aura[node].pool = pki_dflt_pool[node].pool;
309 	}
310 
311 	buffer_count = pki_dflt_aura[node].buffer_count;
312 
313 	if (buffer_count != 0) {
314 		pki_dflt_aura[node].aura = cvmx_fpa3_set_aura_for_pool(
315 			pki_dflt_aura[node].pool, pki_dflt_aura[node].aura_num,
316 			"PKI DFLT AURA", buffer_size, buffer_count);
317 
318 		if (!__cvmx_fpa3_aura_valid(pki_dflt_aura[node].aura)) {
319 			debug("ERROR: %sL Failed to allocate aura %d\n",
320 			      __func__, pki_dflt_aura[node].aura_num);
321 			return -1;
322 		}
323 	}
324 	return 0;
325 }
326 
__cvmx_helper_setup_pki_qpg_table(int node)327 static int __cvmx_helper_setup_pki_qpg_table(int node)
328 {
329 	int offset;
330 
331 	offset = cvmx_pki_qpg_entry_alloc(node, pki_dflt_qpg[node].qpg_base, 1);
332 	if (offset == CVMX_RESOURCE_ALLOC_FAILED)
333 		return -1;
334 	else if (offset == CVMX_RESOURCE_ALREADY_RESERVED)
335 		return 0; /* share the qpg table entry */
336 	if (pki_helper_debug)
337 		debug("pki-helper: set qpg entry at offset %d with port add %d aura %d grp_ok %d grp_bad %d\n",
338 		      offset, pki_dflt_qpg[node].port_add,
339 		      pki_dflt_qpg[node].aura_num, pki_dflt_qpg[node].grp_ok,
340 		      pki_dflt_qpg[node].grp_bad);
341 	cvmx_pki_write_qpg_entry(node, offset, &pki_dflt_qpg[node]);
342 	return 0;
343 }
344 
__cvmx_helper_pki_port_setup(int node,int ipd_port)345 int __cvmx_helper_pki_port_setup(int node, int ipd_port)
346 {
347 	int xiface, index;
348 	int pknd, style_num;
349 	int rs;
350 	struct cvmx_pki_pkind_config pkind_cfg;
351 
352 	if (!cvmx_pki_dflt_init[node])
353 		return 0;
354 	xiface = cvmx_helper_get_interface_num(ipd_port);
355 	index = cvmx_helper_get_interface_index_num(ipd_port);
356 
357 	pknd = cvmx_helper_get_pknd(xiface, index);
358 	style_num = pkind_style_map[node][pknd];
359 
360 	/* try to reserve the style, if it is not configured already, reserve
361 	and configure it */
362 	rs = cvmx_pki_style_alloc(node, style_num);
363 	if (rs < 0) {
364 		if (rs == CVMX_RESOURCE_ALLOC_FAILED)
365 			return -1;
366 	} else {
367 		if (pki_helper_debug)
368 			debug("pki-helper: set style %d with default parameters\n",
369 			      style_num);
370 		pkind_style_map[node][pknd] = style_num;
371 		/* configure style with default parameters */
372 		cvmx_pki_write_style_config(node, style_num,
373 					    CVMX_PKI_CLUSTER_ALL,
374 					    &pki_dflt_style[node]);
375 	}
376 	if (pki_helper_debug)
377 		debug("pki-helper: set pkind %d with initial style %d\n", pknd,
378 		      style_num);
379 	/* write pkind configuration */
380 	pkind_cfg = pki_dflt_pkind[node];
381 	pkind_cfg.initial_style = style_num;
382 	cvmx_pki_write_pkind_config(node, pknd, &pkind_cfg);
383 	return 0;
384 }
385 
__cvmx_helper_pki_global_setup(int node)386 int __cvmx_helper_pki_global_setup(int node)
387 {
388 	__cvmx_helper_pki_set_dflt_ltype_map(node);
389 	if (!cvmx_pki_dflt_init[node])
390 		return 0;
391 	/* Setup the packet pools*/
392 	__cvmx_helper_pki_setup_fpa_pools(node);
393 	/*set up default cluster*/
394 	__cvmx_helper_setup_pki_cluster_groups(node);
395 	//__cvmx_helper_pki_setup_sso_groups(node);
396 	__cvmx_helper_setup_pki_qpg_table(node);
397 	/*
398 	 * errata PKI-19103 backward compat has only 1 aura
399 	 * no head line blocking
400 	 */
401 	if (OCTEON_IS_MODEL(OCTEON_CN78XX_PASS1_X)) {
402 		cvmx_pki_buf_ctl_t buf_ctl;
403 
404 		buf_ctl.u64 = csr_rd_node(node, CVMX_PKI_BUF_CTL);
405 		buf_ctl.s.fpa_wait = 1;
406 		csr_wr_node(node, CVMX_PKI_BUF_CTL, buf_ctl.u64);
407 	}
408 	return 0;
409 }
410 
411 /**
412  * This function Enabled the PKI hardware to
413  * start accepting/processing packets.
414  *
415  * @param node    node number
416  */
cvmx_helper_pki_enable(int node)417 void cvmx_helper_pki_enable(int node)
418 {
419 	if (pki_helper_debug)
420 		debug("enable PKI on node %d\n", node);
421 	__cvmx_helper_pki_install_dflt_vlan(node);
422 	cvmx_pki_setup_clusters(node);
423 	if (cvmx_pki_dflt_bp_en[node])
424 		cvmx_pki_enable_backpressure(node);
425 	cvmx_pki_parse_enable(node, 0);
426 	cvmx_pki_enable(node);
427 }
428 
429 /**
430  * This function setups the qos table by allocating qpg entry and writing
431  * the provided parameters to that entry (offset).
432  * @param node	  node number.
433  * @param qpg_cfg       pointer to struct containing qpg configuration
434  */
cvmx_helper_pki_set_qpg_entry(int node,struct cvmx_pki_qpg_config * qpg_cfg)435 int cvmx_helper_pki_set_qpg_entry(int node, struct cvmx_pki_qpg_config *qpg_cfg)
436 {
437 	int offset;
438 
439 	offset = cvmx_pki_qpg_entry_alloc(node, qpg_cfg->qpg_base, 1);
440 	if (pki_helper_debug)
441 		debug("pki-helper:set qpg entry at offset %d\n", offset);
442 	if (offset == CVMX_RESOURCE_ALREADY_RESERVED) {
443 		debug("INFO:setup_qpg_table: offset %d already reserved\n",
444 		      qpg_cfg->qpg_base);
445 		return CVMX_RESOURCE_ALREADY_RESERVED;
446 	} else if (offset == CVMX_RESOURCE_ALLOC_FAILED) {
447 		debug("ERROR:setup_qpg_table: no more entries available\n");
448 		return CVMX_RESOURCE_ALLOC_FAILED;
449 	}
450 	qpg_cfg->qpg_base = offset;
451 	cvmx_pki_write_qpg_entry(node, offset, qpg_cfg);
452 	return offset;
453 }
454 
455 /**
456  * This function gets all the PKI parameters related to that
457  * particular port from hardware.
458  * @param xipd_port	xipd_port port number with node to get parameter of
459  * @param port_cfg	pointer to structure where to store read parameters
460  */
cvmx_pki_get_port_config(int xipd_port,struct cvmx_pki_port_config * port_cfg)461 void cvmx_pki_get_port_config(int xipd_port,
462 			      struct cvmx_pki_port_config *port_cfg)
463 {
464 	int xiface, index, pknd;
465 	int style, cl_mask;
466 	cvmx_pki_icgx_cfg_t pki_cl_msk;
467 	struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(xipd_port);
468 
469 	/* get the pkind used by this ipd port */
470 	xiface = cvmx_helper_get_interface_num(xipd_port);
471 	index = cvmx_helper_get_interface_index_num(xipd_port);
472 	pknd = cvmx_helper_get_pknd(xiface, index);
473 
474 	cvmx_pki_read_pkind_config(xp.node, pknd, &port_cfg->pkind_cfg);
475 	style = port_cfg->pkind_cfg.initial_style;
476 	pki_cl_msk.u64 = csr_rd_node(
477 		xp.node, CVMX_PKI_ICGX_CFG(port_cfg->pkind_cfg.cluster_grp));
478 	cl_mask = pki_cl_msk.s.clusters;
479 	cvmx_pki_read_style_config(xp.node, style, cl_mask,
480 				   &port_cfg->style_cfg);
481 }
482 
483 /**
484  * This function sets all the PKI parameters related to that
485  * particular port in hardware.
486  * @param xipd_port	ipd port number with node to get parameter of
487  * @param port_cfg	pointer to structure containing port parameters
488  */
cvmx_pki_set_port_config(int xipd_port,struct cvmx_pki_port_config * port_cfg)489 void cvmx_pki_set_port_config(int xipd_port,
490 			      struct cvmx_pki_port_config *port_cfg)
491 {
492 	int xiface, index, pknd;
493 	int style, cl_mask;
494 	cvmx_pki_icgx_cfg_t pki_cl_msk;
495 	struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(xipd_port);
496 
497 	/* get the pkind used by this ipd port */
498 	xiface = cvmx_helper_get_interface_num(xipd_port);
499 	index = cvmx_helper_get_interface_index_num(xipd_port);
500 	pknd = cvmx_helper_get_pknd(xiface, index);
501 
502 	if (cvmx_pki_write_pkind_config(xp.node, pknd, &port_cfg->pkind_cfg))
503 		return;
504 	style = port_cfg->pkind_cfg.initial_style;
505 	pki_cl_msk.u64 = csr_rd_node(
506 		xp.node, CVMX_PKI_ICGX_CFG(port_cfg->pkind_cfg.cluster_grp));
507 	cl_mask = pki_cl_msk.s.clusters;
508 	cvmx_pki_write_style_config(xp.node, style, cl_mask,
509 				    &port_cfg->style_cfg);
510 }
511 
512 /**
513  * This function sets up all th eports of particular interface
514  * for chosen fcs mode. (only use for backward compatibility).
515  * New application can control it via init_interface calls.
516  * @param node		node number.
517  * @param interface	interface number.
518  * @param nports	number of ports
519  * @param has_fcs	1 -- enable fcs check and fcs strip.
520  *			0 -- disable fcs check.
521  */
cvmx_helper_pki_set_fcs_op(int node,int interface,int nports,int has_fcs)522 void cvmx_helper_pki_set_fcs_op(int node, int interface, int nports,
523 				int has_fcs)
524 {
525 	int xiface, index;
526 	int pknd;
527 	unsigned int cluster = 0;
528 	cvmx_pki_clx_pkindx_cfg_t pkind_cfg;
529 
530 	xiface = cvmx_helper_node_interface_to_xiface(node, interface);
531 	for (index = 0; index < nports; index++) {
532 		pknd = cvmx_helper_get_pknd(xiface, index);
533 		while (cluster < CVMX_PKI_NUM_CLUSTER) {
534 			/*find the cluster in use pass2*/
535 			pkind_cfg.u64 = csr_rd_node(
536 				node, CVMX_PKI_CLX_PKINDX_CFG(pknd, cluster));
537 			pkind_cfg.s.fcs_pres = has_fcs;
538 			csr_wr_node(node,
539 				    CVMX_PKI_CLX_PKINDX_CFG(pknd, cluster),
540 				    pkind_cfg.u64);
541 			cluster++;
542 		}
543 		/* make sure fcs_strip and fcs_check is also enable/disable
544 		 * for the style used by that port
545 		 */
546 		cvmx_pki_endis_fcs_check(node, pknd, has_fcs, has_fcs);
547 		cluster = 0;
548 	}
549 }
550