Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2
3/* Copyright (C) 2019-2021 Linaro Ltd. */
4
5#include <linux/log2.h>
6
7#include "gsi.h"
8#include "ipa_data.h"
9#include "ipa_endpoint.h"
10#include "ipa_mem.h"
11
12/** enum ipa_resource_type - IPA resource types for an SoC having IPA v4.2 */
13enum ipa_resource_type {
14 /* Source resource types; first must have value 0 */
15 IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS = 0,
16 IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS,
17 IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF,
18 IPA_RESOURCE_TYPE_SRC_HPS_DMARS,
19 IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES,
20
21 /* Destination resource types; first must have value 0 */
22 IPA_RESOURCE_TYPE_DST_DATA_SECTORS = 0,
23 IPA_RESOURCE_TYPE_DST_DPS_DMARS,
24};
25
26/* Resource groups used for an SoC having IPA v4.2 */
27enum ipa_rsrc_group_id {
28 /* Source resource group identifiers */
29 IPA_RSRC_GROUP_SRC_UL_DL = 0,
30 IPA_RSRC_GROUP_SRC_COUNT, /* Last in set; not a source group */
31
32 /* Destination resource group identifiers */
33 IPA_RSRC_GROUP_DST_UL_DL_DPL = 0,
34 IPA_RSRC_GROUP_DST_COUNT, /* Last; not a destination group */
35};
36
37/* QSB configuration data for an SoC having IPA v4.2 */
38static const struct ipa_qsb_data ipa_qsb_data[] = {
39 [IPA_QSB_MASTER_DDR] = {
40 .max_writes = 8,
41 .max_reads = 12,
42 /* no outstanding read byte (beat) limit */
43 },
44};
45
46/* Endpoint configuration data for an SoC having IPA v4.2 */
47static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
48 [IPA_ENDPOINT_AP_COMMAND_TX] = {
49 .ee_id = GSI_EE_AP,
50 .channel_id = 1,
51 .endpoint_id = 6,
52 .toward_ipa = true,
53 .channel = {
54 .tre_count = 256,
55 .event_count = 256,
56 .tlv_count = 20,
57 },
58 .endpoint = {
59 .config = {
60 .resource_group = IPA_RSRC_GROUP_SRC_UL_DL,
61 .dma_mode = true,
62 .dma_endpoint = IPA_ENDPOINT_AP_LAN_RX,
63 .tx = {
64 .seq_type = IPA_SEQ_DMA,
65 },
66 },
67 },
68 },
69 [IPA_ENDPOINT_AP_LAN_RX] = {
70 .ee_id = GSI_EE_AP,
71 .channel_id = 2,
72 .endpoint_id = 8,
73 .toward_ipa = false,
74 .channel = {
75 .tre_count = 256,
76 .event_count = 256,
77 .tlv_count = 6,
78 },
79 .endpoint = {
80 .config = {
81 .resource_group = IPA_RSRC_GROUP_DST_UL_DL_DPL,
82 .aggregation = true,
83 .status_enable = true,
84 .rx = {
85 .pad_align = ilog2(sizeof(u32)),
86 },
87 },
88 },
89 },
90 [IPA_ENDPOINT_AP_MODEM_TX] = {
91 .ee_id = GSI_EE_AP,
92 .channel_id = 0,
93 .endpoint_id = 1,
94 .toward_ipa = true,
95 .channel = {
96 .tre_count = 512,
97 .event_count = 512,
98 .tlv_count = 8,
99 },
100 .endpoint = {
101 .filter_support = true,
102 .config = {
103 .resource_group = IPA_RSRC_GROUP_SRC_UL_DL,
104 .checksum = true,
105 .qmap = true,
106 .status_enable = true,
107 .tx = {
108 .seq_type = IPA_SEQ_1_PASS_SKIP_LAST_UC,
109 .seq_rep_type = IPA_SEQ_REP_DMA_PARSER,
110 .status_endpoint =
111 IPA_ENDPOINT_MODEM_AP_RX,
112 },
113 },
114 },
115 },
116 [IPA_ENDPOINT_AP_MODEM_RX] = {
117 .ee_id = GSI_EE_AP,
118 .channel_id = 3,
119 .endpoint_id = 9,
120 .toward_ipa = false,
121 .channel = {
122 .tre_count = 256,
123 .event_count = 256,
124 .tlv_count = 6,
125 },
126 .endpoint = {
127 .config = {
128 .resource_group = IPA_RSRC_GROUP_DST_UL_DL_DPL,
129 .checksum = true,
130 .qmap = true,
131 .aggregation = true,
132 .rx = {
133 .aggr_close_eof = true,
134 },
135 },
136 },
137 },
138 [IPA_ENDPOINT_MODEM_COMMAND_TX] = {
139 .ee_id = GSI_EE_MODEM,
140 .channel_id = 1,
141 .endpoint_id = 5,
142 .toward_ipa = true,
143 },
144 [IPA_ENDPOINT_MODEM_LAN_RX] = {
145 .ee_id = GSI_EE_MODEM,
146 .channel_id = 3,
147 .endpoint_id = 11,
148 .toward_ipa = false,
149 },
150 [IPA_ENDPOINT_MODEM_AP_TX] = {
151 .ee_id = GSI_EE_MODEM,
152 .channel_id = 0,
153 .endpoint_id = 4,
154 .toward_ipa = true,
155 .endpoint = {
156 .filter_support = true,
157 },
158 },
159 [IPA_ENDPOINT_MODEM_AP_RX] = {
160 .ee_id = GSI_EE_MODEM,
161 .channel_id = 2,
162 .endpoint_id = 10,
163 .toward_ipa = false,
164 },
165};
166
167/* Source resource configuration data for an SoC having IPA v4.2 */
168static const struct ipa_resource ipa_resource_src[] = {
169 [IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS] = {
170 .limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
171 .min = 3, .max = 63,
172 },
173 },
174 [IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS] = {
175 .limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
176 .min = 3, .max = 3,
177 },
178 },
179 [IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF] = {
180 .limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
181 .min = 10, .max = 10,
182 },
183 },
184 [IPA_RESOURCE_TYPE_SRC_HPS_DMARS] = {
185 .limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
186 .min = 1, .max = 1,
187 },
188 },
189 [IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES] = {
190 .limits[IPA_RSRC_GROUP_SRC_UL_DL] = {
191 .min = 5, .max = 5,
192 },
193 },
194};
195
196/* Destination resource configuration data for an SoC having IPA v4.2 */
197static const struct ipa_resource ipa_resource_dst[] = {
198 [IPA_RESOURCE_TYPE_DST_DATA_SECTORS] = {
199 .limits[IPA_RSRC_GROUP_DST_UL_DL_DPL] = {
200 .min = 3, .max = 3,
201 },
202 },
203 [IPA_RESOURCE_TYPE_DST_DPS_DMARS] = {
204 .limits[IPA_RSRC_GROUP_DST_UL_DL_DPL] = {
205 .min = 1, .max = 63,
206 },
207 },
208};
209
210/* Resource configuration data for an SoC having IPA v4.2 */
211static const struct ipa_resource_data ipa_resource_data = {
212 .rsrc_group_src_count = IPA_RSRC_GROUP_SRC_COUNT,
213 .rsrc_group_dst_count = IPA_RSRC_GROUP_DST_COUNT,
214 .resource_src_count = ARRAY_SIZE(ipa_resource_src),
215 .resource_src = ipa_resource_src,
216 .resource_dst_count = ARRAY_SIZE(ipa_resource_dst),
217 .resource_dst = ipa_resource_dst,
218};
219
220/* IPA-resident memory region data for an SoC having IPA v4.2 */
221static const struct ipa_mem ipa_mem_local_data[] = {
222 {
223 .id = IPA_MEM_UC_SHARED,
224 .offset = 0x0000,
225 .size = 0x0080,
226 .canary_count = 0,
227 },
228 {
229 .id = IPA_MEM_UC_INFO,
230 .offset = 0x0080,
231 .size = 0x0200,
232 .canary_count = 0,
233 },
234 {
235 .id = IPA_MEM_V4_FILTER_HASHED,
236 .offset = 0x0288,
237 .size = 0,
238 .canary_count = 2,
239 },
240 {
241 .id = IPA_MEM_V4_FILTER,
242 .offset = 0x0290,
243 .size = 0x0078,
244 .canary_count = 2,
245 },
246 {
247 .id = IPA_MEM_V6_FILTER_HASHED,
248 .offset = 0x0310,
249 .size = 0,
250 .canary_count = 2,
251 },
252 {
253 .id = IPA_MEM_V6_FILTER,
254 .offset = 0x0318,
255 .size = 0x0078,
256 .canary_count = 2,
257 },
258 {
259 .id = IPA_MEM_V4_ROUTE_HASHED,
260 .offset = 0x0398,
261 .size = 0,
262 .canary_count = 2,
263 },
264 {
265 .id = IPA_MEM_V4_ROUTE,
266 .offset = 0x03a0,
267 .size = 0x0078,
268 .canary_count = 2,
269 },
270 {
271 .id = IPA_MEM_V6_ROUTE_HASHED,
272 .offset = 0x0420,
273 .size = 0,
274 .canary_count = 2,
275 },
276 {
277 .id = IPA_MEM_V6_ROUTE,
278 .offset = 0x0428,
279 .size = 0x0078,
280 .canary_count = 2,
281 },
282 {
283 .id = IPA_MEM_MODEM_HEADER,
284 .offset = 0x04a8,
285 .size = 0x0140,
286 .canary_count = 2,
287 },
288 {
289 .id = IPA_MEM_MODEM_PROC_CTX,
290 .offset = 0x05f0,
291 .size = 0x0200,
292 .canary_count = 2,
293 },
294 {
295 .id = IPA_MEM_AP_PROC_CTX,
296 .offset = 0x07f0,
297 .size = 0x0200,
298 .canary_count = 0,
299 },
300 {
301 .id = IPA_MEM_PDN_CONFIG,
302 .offset = 0x09f8,
303 .size = 0x0050,
304 .canary_count = 2,
305 },
306 {
307 .id = IPA_MEM_STATS_QUOTA_MODEM,
308 .offset = 0x0a50,
309 .size = 0x0060,
310 .canary_count = 2,
311 },
312 {
313 .id = IPA_MEM_STATS_TETHERING,
314 .offset = 0x0ab0,
315 .size = 0x0140,
316 .canary_count = 0,
317 },
318 {
319 .id = IPA_MEM_MODEM,
320 .offset = 0x0bf0,
321 .size = 0x140c,
322 .canary_count = 0,
323 },
324 {
325 .id = IPA_MEM_END_MARKER,
326 .offset = 0x2000,
327 .size = 0,
328 .canary_count = 1,
329 },
330};
331
332/* Memory configuration data for an SoC having IPA v4.2 */
333static const struct ipa_mem_data ipa_mem_data = {
334 .local_count = ARRAY_SIZE(ipa_mem_local_data),
335 .local = ipa_mem_local_data,
336 .imem_addr = 0x146a8000,
337 .imem_size = 0x00002000,
338 .smem_id = 497,
339 .smem_size = 0x00002000,
340};
341
342/* Interconnect rates are in 1000 byte/second units */
343static const struct ipa_interconnect_data ipa_interconnect_data[] = {
344 {
345 .name = "memory",
346 .peak_bandwidth = 465000, /* 465 MBps */
347 .average_bandwidth = 80000, /* 80 MBps */
348 },
349 /* Average bandwidth is unused for the next two interconnects */
350 {
351 .name = "imem",
352 .peak_bandwidth = 68570, /* 68.570 MBps */
353 .average_bandwidth = 0, /* unused */
354 },
355 {
356 .name = "config",
357 .peak_bandwidth = 30000, /* 30 MBps */
358 .average_bandwidth = 0, /* unused */
359 },
360};
361
362/* Clock and interconnect configuration data for an SoC having IPA v4.2 */
363static const struct ipa_power_data ipa_power_data = {
364 .core_clock_rate = 100 * 1000 * 1000, /* Hz */
365 .interconnect_count = ARRAY_SIZE(ipa_interconnect_data),
366 .interconnect_data = ipa_interconnect_data,
367};
368
369/* Configuration data for an SoC having IPA v4.2 */
370const struct ipa_data ipa_data_v4_2 = {
371 .version = IPA_VERSION_4_2,
372 /* backward_compat value is 0 */
373 .qsb_count = ARRAY_SIZE(ipa_qsb_data),
374 .qsb_data = ipa_qsb_data,
375 .endpoint_count = ARRAY_SIZE(ipa_gsi_endpoint_data),
376 .endpoint_data = ipa_gsi_endpoint_data,
377 .resource_data = &ipa_resource_data,
378 .mem_data = &ipa_mem_data,
379 .power_data = &ipa_power_data,
380};