Commit | Line | Data |
---|---|---|
a83369b6 | 1 | /* |
cb7cf7be | 2 | * Copyright (c) 2014 Broadcom Corporation |
a83369b6 FL |
3 | * |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
cb7cf7be AS |
16 | #include <linux/kernel.h> |
17 | #include <linux/delay.h> | |
18 | #include <linux/list.h> | |
61213be4 | 19 | #include <linux/ssb/ssb_regs.h> |
99ba15cd | 20 | #include <linux/bcma/bcma.h> |
cb7cf7be | 21 | #include <linux/bcma/bcma_regs.h> |
61213be4 | 22 | |
cb7cf7be AS |
23 | #include <defs.h> |
24 | #include <soc.h> | |
a83369b6 | 25 | #include <brcm_hw_ids.h> |
a83369b6 | 26 | #include <brcmu_utils.h> |
cb7cf7be | 27 | #include <chipcommon.h> |
a8e8ed34 | 28 | #include "debug.h" |
20c9c9bc | 29 | #include "chip.h" |
a83369b6 | 30 | |
cb7cf7be AS |
31 | /* SOC Interconnect types (aka chip types) */ |
32 | #define SOCI_SB 0 | |
33 | #define SOCI_AI 1 | |
34 | ||
4aa2c47c AS |
35 | /* PL-368 DMP definitions */ |
36 | #define DMP_DESC_TYPE_MSK 0x0000000F | |
37 | #define DMP_DESC_EMPTY 0x00000000 | |
38 | #define DMP_DESC_VALID 0x00000001 | |
39 | #define DMP_DESC_COMPONENT 0x00000001 | |
40 | #define DMP_DESC_MASTER_PORT 0x00000003 | |
41 | #define DMP_DESC_ADDRESS 0x00000005 | |
42 | #define DMP_DESC_ADDRSIZE_GT32 0x00000008 | |
43 | #define DMP_DESC_EOT 0x0000000F | |
44 | ||
45 | #define DMP_COMP_DESIGNER 0xFFF00000 | |
46 | #define DMP_COMP_DESIGNER_S 20 | |
47 | #define DMP_COMP_PARTNUM 0x000FFF00 | |
48 | #define DMP_COMP_PARTNUM_S 8 | |
49 | #define DMP_COMP_CLASS 0x000000F0 | |
50 | #define DMP_COMP_CLASS_S 4 | |
51 | #define DMP_COMP_REVISION 0xFF000000 | |
52 | #define DMP_COMP_REVISION_S 24 | |
53 | #define DMP_COMP_NUM_SWRAP 0x00F80000 | |
54 | #define DMP_COMP_NUM_SWRAP_S 19 | |
55 | #define DMP_COMP_NUM_MWRAP 0x0007C000 | |
56 | #define DMP_COMP_NUM_MWRAP_S 14 | |
57 | #define DMP_COMP_NUM_SPORT 0x00003E00 | |
58 | #define DMP_COMP_NUM_SPORT_S 9 | |
59 | #define DMP_COMP_NUM_MPORT 0x000001F0 | |
60 | #define DMP_COMP_NUM_MPORT_S 4 | |
61 | ||
62 | #define DMP_MASTER_PORT_UID 0x0000FF00 | |
63 | #define DMP_MASTER_PORT_UID_S 8 | |
64 | #define DMP_MASTER_PORT_NUM 0x000000F0 | |
65 | #define DMP_MASTER_PORT_NUM_S 4 | |
66 | ||
67 | #define DMP_SLAVE_ADDR_BASE 0xFFFFF000 | |
68 | #define DMP_SLAVE_ADDR_BASE_S 12 | |
69 | #define DMP_SLAVE_PORT_NUM 0x00000F00 | |
70 | #define DMP_SLAVE_PORT_NUM_S 8 | |
71 | #define DMP_SLAVE_TYPE 0x000000C0 | |
72 | #define DMP_SLAVE_TYPE_S 6 | |
73 | #define DMP_SLAVE_TYPE_SLAVE 0 | |
74 | #define DMP_SLAVE_TYPE_BRIDGE 1 | |
75 | #define DMP_SLAVE_TYPE_SWRAP 2 | |
76 | #define DMP_SLAVE_TYPE_MWRAP 3 | |
77 | #define DMP_SLAVE_SIZE_TYPE 0x00000030 | |
78 | #define DMP_SLAVE_SIZE_TYPE_S 4 | |
79 | #define DMP_SLAVE_SIZE_4K 0 | |
80 | #define DMP_SLAVE_SIZE_8K 1 | |
81 | #define DMP_SLAVE_SIZE_16K 2 | |
82 | #define DMP_SLAVE_SIZE_DESC 3 | |
83 | ||
cb7cf7be AS |
84 | /* EROM CompIdentB */ |
85 | #define CIB_REV_MASK 0xff000000 | |
86 | #define CIB_REV_SHIFT 24 | |
87 | ||
88 | /* ARM CR4 core specific control flag bits */ | |
89 | #define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 | |
90 | ||
91 | /* D11 core specific control flag bits */ | |
92 | #define D11_BCMA_IOCTL_PHYCLOCKEN 0x0004 | |
93 | #define D11_BCMA_IOCTL_PHYRESET 0x0008 | |
94 | ||
a83369b6 FL |
95 | /* chip core base & ramsize */ |
96 | /* bcm4329 */ | |
97 | /* SDIO device core, ID 0x829 */ | |
98 | #define BCM4329_CORE_BUS_BASE 0x18011000 | |
99 | /* internal memory core, ID 0x80e */ | |
100 | #define BCM4329_CORE_SOCRAM_BASE 0x18003000 | |
101 | /* ARM Cortex M3 core, ID 0x82a */ | |
102 | #define BCM4329_CORE_ARM_BASE 0x18002000 | |
103 | #define BCM4329_RAMSIZE 0x48000 | |
369508c5 | 104 | /* bcm43143 */ |
369508c5 HM |
105 | #define BCM43143_RAMSIZE 0x70000 |
106 | ||
cb7cf7be AS |
107 | #define CORE_SB(base, field) \ |
108 | (base + SBCONFIGOFF + offsetof(struct sbconfig, field)) | |
a83369b6 | 109 | #define SBCOREREV(sbidh) \ |
61213be4 FL |
110 | ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ |
111 | ((sbidh) & SSB_IDHIGH_RCLO)) | |
a83369b6 | 112 | |
cb7cf7be AS |
113 | struct sbconfig { |
114 | u32 PAD[2]; | |
115 | u32 sbipsflag; /* initiator port ocp slave flag */ | |
116 | u32 PAD[3]; | |
117 | u32 sbtpsflag; /* target port ocp slave flag */ | |
118 | u32 PAD[11]; | |
119 | u32 sbtmerrloga; /* (sonics >= 2.3) */ | |
120 | u32 PAD; | |
121 | u32 sbtmerrlog; /* (sonics >= 2.3) */ | |
122 | u32 PAD[3]; | |
123 | u32 sbadmatch3; /* address match3 */ | |
124 | u32 PAD; | |
125 | u32 sbadmatch2; /* address match2 */ | |
126 | u32 PAD; | |
127 | u32 sbadmatch1; /* address match1 */ | |
128 | u32 PAD[7]; | |
129 | u32 sbimstate; /* initiator agent state */ | |
130 | u32 sbintvec; /* interrupt mask */ | |
131 | u32 sbtmstatelow; /* target state */ | |
132 | u32 sbtmstatehigh; /* target state */ | |
133 | u32 sbbwa0; /* bandwidth allocation table0 */ | |
134 | u32 PAD; | |
135 | u32 sbimconfiglow; /* initiator configuration */ | |
136 | u32 sbimconfighigh; /* initiator configuration */ | |
137 | u32 sbadmatch0; /* address match0 */ | |
138 | u32 PAD; | |
139 | u32 sbtmconfiglow; /* target configuration */ | |
140 | u32 sbtmconfighigh; /* target configuration */ | |
141 | u32 sbbconfig; /* broadcast configuration */ | |
142 | u32 PAD; | |
143 | u32 sbbstate; /* broadcast state */ | |
144 | u32 PAD[3]; | |
145 | u32 sbactcnfg; /* activate configuration */ | |
146 | u32 PAD[3]; | |
147 | u32 sbflagst; /* current sbflags */ | |
148 | u32 PAD[3]; | |
149 | u32 sbidlow; /* identification */ | |
150 | u32 sbidhigh; /* identification */ | |
151 | }; | |
152 | ||
153 | struct brcmf_core_priv { | |
154 | struct brcmf_core pub; | |
155 | u32 wrapbase; | |
156 | struct list_head list; | |
157 | struct brcmf_chip_priv *chip; | |
158 | }; | |
523894f2 | 159 | |
cb7cf7be AS |
160 | struct brcmf_chip_priv { |
161 | struct brcmf_chip pub; | |
162 | const struct brcmf_buscore_ops *ops; | |
163 | void *ctx; | |
164 | /* assured first core is chipcommon, second core is buscore */ | |
165 | struct list_head cores; | |
166 | u16 num_cores; | |
167 | ||
168 | bool (*iscoreup)(struct brcmf_core_priv *core); | |
169 | void (*coredisable)(struct brcmf_core_priv *core, u32 prereset, | |
170 | u32 reset); | |
171 | void (*resetcore)(struct brcmf_core_priv *core, u32 prereset, u32 reset, | |
172 | u32 postreset); | |
173 | }; | |
174 | ||
175 | static void brcmf_chip_sb_corerev(struct brcmf_chip_priv *ci, | |
176 | struct brcmf_core *core) | |
454d2a88 FL |
177 | { |
178 | u32 regdata; | |
523894f2 | 179 | |
cb7cf7be AS |
180 | regdata = ci->ops->read32(ci->ctx, CORE_SB(core->base, sbidhigh)); |
181 | core->rev = SBCOREREV(regdata); | |
454d2a88 FL |
182 | } |
183 | ||
cb7cf7be | 184 | static bool brcmf_chip_sb_iscoreup(struct brcmf_core_priv *core) |
d8f64a42 | 185 | { |
cb7cf7be | 186 | struct brcmf_chip_priv *ci; |
d8f64a42 | 187 | u32 regdata; |
cb7cf7be | 188 | u32 address; |
d8f64a42 | 189 | |
cb7cf7be AS |
190 | ci = core->chip; |
191 | address = CORE_SB(core->pub.base, sbtmstatelow); | |
192 | regdata = ci->ops->read32(ci->ctx, address); | |
61213be4 FL |
193 | regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT | |
194 | SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK); | |
20c9c9bc | 195 | return SSB_TMSLOW_CLOCK == regdata; |
d8f64a42 FL |
196 | } |
197 | ||
cb7cf7be | 198 | static bool brcmf_chip_ai_iscoreup(struct brcmf_core_priv *core) |
6ca687d9 | 199 | { |
cb7cf7be | 200 | struct brcmf_chip_priv *ci; |
6ca687d9 | 201 | u32 regdata; |
6ca687d9 FL |
202 | bool ret; |
203 | ||
cb7cf7be AS |
204 | ci = core->chip; |
205 | regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); | |
6ca687d9 FL |
206 | ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK; |
207 | ||
cb7cf7be | 208 | regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); |
6ca687d9 FL |
209 | ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0); |
210 | ||
211 | return ret; | |
212 | } | |
213 | ||
cb7cf7be AS |
214 | static void brcmf_chip_sb_coredisable(struct brcmf_core_priv *core, |
215 | u32 prereset, u32 reset) | |
2d4a9af1 | 216 | { |
cb7cf7be AS |
217 | struct brcmf_chip_priv *ci; |
218 | u32 val, base; | |
086a2e0a | 219 | |
cb7cf7be AS |
220 | ci = core->chip; |
221 | base = core->pub.base; | |
222 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); | |
223 | if (val & SSB_TMSLOW_RESET) | |
2d4a9af1 FL |
224 | return; |
225 | ||
cb7cf7be AS |
226 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
227 | if ((val & SSB_TMSLOW_CLOCK) != 0) { | |
2d4a9af1 FL |
228 | /* |
229 | * set target reject and spin until busy is clear | |
230 | * (preserve core-specific bits) | |
231 | */ | |
cb7cf7be AS |
232 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
233 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), | |
234 | val | SSB_TMSLOW_REJECT); | |
2d4a9af1 | 235 | |
cb7cf7be | 236 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
2d4a9af1 | 237 | udelay(1); |
cb7cf7be AS |
238 | SPINWAIT((ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)) |
239 | & SSB_TMSHIGH_BUSY), 100000); | |
240 | ||
241 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); | |
242 | if (val & SSB_TMSHIGH_BUSY) | |
5e8149f5 | 243 | brcmf_err("core state still busy\n"); |
2d4a9af1 | 244 | |
cb7cf7be AS |
245 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); |
246 | if (val & SSB_IDLOW_INITIATOR) { | |
247 | val = ci->ops->read32(ci->ctx, | |
248 | CORE_SB(base, sbimstate)); | |
249 | val |= SSB_IMSTATE_REJECT; | |
250 | ci->ops->write32(ci->ctx, | |
251 | CORE_SB(base, sbimstate), val); | |
252 | val = ci->ops->read32(ci->ctx, | |
253 | CORE_SB(base, sbimstate)); | |
2d4a9af1 | 254 | udelay(1); |
cb7cf7be AS |
255 | SPINWAIT((ci->ops->read32(ci->ctx, |
256 | CORE_SB(base, sbimstate)) & | |
a39be27b | 257 | SSB_IMSTATE_BUSY), 100000); |
2d4a9af1 FL |
258 | } |
259 | ||
260 | /* set reset and reject while enabling the clocks */ | |
cb7cf7be AS |
261 | val = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | |
262 | SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET; | |
263 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), val); | |
264 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); | |
2d4a9af1 FL |
265 | udelay(10); |
266 | ||
267 | /* clear the initiator reject bit */ | |
cb7cf7be AS |
268 | val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); |
269 | if (val & SSB_IDLOW_INITIATOR) { | |
270 | val = ci->ops->read32(ci->ctx, | |
271 | CORE_SB(base, sbimstate)); | |
272 | val &= ~SSB_IMSTATE_REJECT; | |
273 | ci->ops->write32(ci->ctx, | |
274 | CORE_SB(base, sbimstate), val); | |
2d4a9af1 FL |
275 | } |
276 | } | |
277 | ||
278 | /* leave reset and reject asserted */ | |
cb7cf7be AS |
279 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
280 | (SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET)); | |
2d4a9af1 FL |
281 | udelay(1); |
282 | } | |
283 | ||
cb7cf7be AS |
284 | static void brcmf_chip_ai_coredisable(struct brcmf_core_priv *core, |
285 | u32 prereset, u32 reset) | |
086a2e0a | 286 | { |
cb7cf7be | 287 | struct brcmf_chip_priv *ci; |
086a2e0a | 288 | u32 regdata; |
086a2e0a | 289 | |
cb7cf7be | 290 | ci = core->chip; |
53036261 | 291 | |
ffa216bb | 292 | /* if core is already in reset, skip reset */ |
cb7cf7be | 293 | regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); |
086a2e0a | 294 | if ((regdata & BCMA_RESET_CTL_RESET) != 0) |
ffa216bb | 295 | goto in_reset_configure; |
086a2e0a | 296 | |
53036261 | 297 | /* configure reset */ |
cb7cf7be AS |
298 | ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, |
299 | prereset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); | |
300 | ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); | |
086a2e0a | 301 | |
53036261 | 302 | /* put in reset */ |
cb7cf7be AS |
303 | ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, |
304 | BCMA_RESET_CTL_RESET); | |
1640f28f FL |
305 | usleep_range(10, 20); |
306 | ||
53036261 | 307 | /* wait till reset is 1 */ |
cb7cf7be | 308 | SPINWAIT(ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) != |
53036261 HM |
309 | BCMA_RESET_CTL_RESET, 300); |
310 | ||
ffa216bb | 311 | in_reset_configure: |
cb7cf7be AS |
312 | /* in-reset configure */ |
313 | ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, | |
314 | reset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); | |
315 | ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); | |
086a2e0a FL |
316 | } |
317 | ||
cb7cf7be AS |
318 | static void brcmf_chip_sb_resetcore(struct brcmf_core_priv *core, u32 prereset, |
319 | u32 reset, u32 postreset) | |
2bc78e10 | 320 | { |
cb7cf7be | 321 | struct brcmf_chip_priv *ci; |
2bc78e10 | 322 | u32 regdata; |
cb7cf7be | 323 | u32 base; |
2bc78e10 | 324 | |
cb7cf7be AS |
325 | ci = core->chip; |
326 | base = core->pub.base; | |
2bc78e10 FL |
327 | /* |
328 | * Must do the disable sequence first to work for | |
329 | * arbitrary current core state. | |
330 | */ | |
cb7cf7be | 331 | brcmf_chip_sb_coredisable(core, 0, 0); |
2bc78e10 FL |
332 | |
333 | /* | |
334 | * Now do the initialization sequence. | |
335 | * set reset while enabling the clock and | |
336 | * forcing them on throughout the core | |
337 | */ | |
cb7cf7be AS |
338 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
339 | SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | | |
340 | SSB_TMSLOW_RESET); | |
341 | regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); | |
2bc78e10 FL |
342 | udelay(1); |
343 | ||
d77e70ff | 344 | /* clear any serror */ |
cb7cf7be | 345 | regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); |
61213be4 | 346 | if (regdata & SSB_TMSHIGH_SERR) |
cb7cf7be AS |
347 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatehigh), 0); |
348 | ||
349 | regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); | |
350 | if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { | |
351 | regdata &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); | |
352 | ci->ops->write32(ci->ctx, CORE_SB(base, sbimstate), regdata); | |
353 | } | |
2bc78e10 FL |
354 | |
355 | /* clear reset and allow it to propagate throughout the core */ | |
cb7cf7be AS |
356 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
357 | SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK); | |
358 | regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); | |
2bc78e10 FL |
359 | udelay(1); |
360 | ||
361 | /* leave clock enabled */ | |
cb7cf7be AS |
362 | ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
363 | SSB_TMSLOW_CLOCK); | |
364 | regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); | |
d77e70ff FL |
365 | udelay(1); |
366 | } | |
367 | ||
cb7cf7be AS |
368 | static void brcmf_chip_ai_resetcore(struct brcmf_core_priv *core, u32 prereset, |
369 | u32 reset, u32 postreset) | |
d77e70ff | 370 | { |
cb7cf7be AS |
371 | struct brcmf_chip_priv *ci; |
372 | int count; | |
d77e70ff | 373 | |
cb7cf7be | 374 | ci = core->chip; |
53036261 | 375 | |
d77e70ff | 376 | /* must disable first to work for arbitrary current core state */ |
cb7cf7be | 377 | brcmf_chip_ai_coredisable(core, prereset, reset); |
d77e70ff | 378 | |
cb7cf7be AS |
379 | count = 0; |
380 | while (ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) & | |
53036261 | 381 | BCMA_RESET_CTL_RESET) { |
cb7cf7be AS |
382 | ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, 0); |
383 | count++; | |
384 | if (count > 50) | |
385 | break; | |
53036261 HM |
386 | usleep_range(40, 60); |
387 | } | |
d77e70ff | 388 | |
cb7cf7be AS |
389 | ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, |
390 | postreset | BCMA_IOCTL_CLK); | |
391 | ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); | |
392 | } | |
393 | ||
394 | static char *brcmf_chip_name(uint chipid, char *buf, uint len) | |
395 | { | |
396 | const char *fmt; | |
397 | ||
398 | fmt = ((chipid > 0xa000) || (chipid < 0x4000)) ? "%d" : "%x"; | |
399 | snprintf(buf, len, fmt, chipid); | |
400 | return buf; | |
401 | } | |
402 | ||
403 | static struct brcmf_core *brcmf_chip_add_core(struct brcmf_chip_priv *ci, | |
404 | u16 coreid, u32 base, | |
405 | u32 wrapbase) | |
406 | { | |
407 | struct brcmf_core_priv *core; | |
408 | ||
409 | core = kzalloc(sizeof(*core), GFP_KERNEL); | |
410 | if (!core) | |
411 | return ERR_PTR(-ENOMEM); | |
412 | ||
413 | core->pub.id = coreid; | |
414 | core->pub.base = base; | |
415 | core->chip = ci; | |
416 | core->wrapbase = wrapbase; | |
417 | ||
418 | list_add_tail(&core->list, &ci->cores); | |
419 | return &core->pub; | |
2bc78e10 FL |
420 | } |
421 | ||
1640f28f FL |
422 | #ifdef DEBUG |
423 | /* safety check for chipinfo */ | |
cb7cf7be | 424 | static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) |
1640f28f | 425 | { |
cb7cf7be AS |
426 | struct brcmf_core_priv *core; |
427 | bool need_socram = false; | |
428 | bool has_socram = false; | |
429 | int idx = 1; | |
430 | ||
431 | list_for_each_entry(core, &ci->cores, list) { | |
4aa2c47c AS |
432 | brcmf_dbg(INFO, " [%-2d] core 0x%x:%-2d base 0x%08x wrap 0x%08x\n", |
433 | idx++, core->pub.id, core->pub.rev, core->pub.base, | |
434 | core->wrapbase); | |
cb7cf7be AS |
435 | |
436 | switch (core->pub.id) { | |
437 | case BCMA_CORE_ARM_CM3: | |
438 | need_socram = true; | |
439 | break; | |
440 | case BCMA_CORE_INTERNAL_MEM: | |
441 | has_socram = true; | |
442 | break; | |
443 | case BCMA_CORE_ARM_CR4: | |
444 | if (ci->pub.rambase == 0) { | |
445 | brcmf_err("RAM base not provided with ARM CR4 core\n"); | |
446 | return -ENOMEM; | |
447 | } | |
448 | break; | |
449 | default: | |
450 | break; | |
1640f28f FL |
451 | } |
452 | } | |
453 | ||
cb7cf7be AS |
454 | /* check RAM core presence for ARM CM3 core */ |
455 | if (need_socram && !has_socram) { | |
456 | brcmf_err("RAM core not provided with ARM CM3 core\n"); | |
457 | return -ENODEV; | |
1640f28f | 458 | } |
1640f28f FL |
459 | return 0; |
460 | } | |
461 | #else /* DEBUG */ | |
cb7cf7be | 462 | static inline int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) |
1640f28f FL |
463 | { |
464 | return 0; | |
465 | } | |
466 | #endif | |
467 | ||
cb7cf7be | 468 | static void brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci) |
a83369b6 | 469 | { |
cb7cf7be | 470 | switch (ci->pub.chip) { |
5779ae6a | 471 | case BRCM_CC_4329_CHIP_ID: |
cb7cf7be AS |
472 | ci->pub.ramsize = BCM4329_RAMSIZE; |
473 | break; | |
5779ae6a | 474 | case BRCM_CC_43143_CHIP_ID: |
cb7cf7be AS |
475 | ci->pub.ramsize = BCM43143_RAMSIZE; |
476 | break; | |
5779ae6a | 477 | case BRCM_CC_43241_CHIP_ID: |
cb7cf7be AS |
478 | ci->pub.ramsize = 0x90000; |
479 | break; | |
5779ae6a | 480 | case BRCM_CC_4330_CHIP_ID: |
cb7cf7be AS |
481 | ci->pub.ramsize = 0x48000; |
482 | break; | |
5779ae6a | 483 | case BRCM_CC_4334_CHIP_ID: |
8b3a38da | 484 | case BRCM_CC_43340_CHIP_ID: |
cb7cf7be AS |
485 | ci->pub.ramsize = 0x80000; |
486 | break; | |
5779ae6a | 487 | case BRCM_CC_4335_CHIP_ID: |
cb7cf7be AS |
488 | ci->pub.ramsize = 0xc0000; |
489 | ci->pub.rambase = 0x180000; | |
490 | break; | |
5779ae6a | 491 | case BRCM_CC_43362_CHIP_ID: |
cb7cf7be AS |
492 | ci->pub.ramsize = 0x3c000; |
493 | break; | |
5779ae6a HM |
494 | case BRCM_CC_4339_CHIP_ID: |
495 | case BRCM_CC_4354_CHIP_ID: | |
9e37f045 HM |
496 | case BRCM_CC_4356_CHIP_ID: |
497 | case BRCM_CC_43567_CHIP_ID: | |
498 | case BRCM_CC_43569_CHIP_ID: | |
499 | case BRCM_CC_43570_CHIP_ID: | |
cb7cf7be AS |
500 | ci->pub.ramsize = 0xc0000; |
501 | ci->pub.rambase = 0x180000; | |
502 | break; | |
9e37f045 HM |
503 | case BRCM_CC_43602_CHIP_ID: |
504 | ci->pub.ramsize = 0xf0000; | |
505 | ci->pub.rambase = 0x180000; | |
506 | break; | |
cb7cf7be AS |
507 | default: |
508 | brcmf_err("unknown chip: %s\n", ci->pub.name); | |
509 | break; | |
510 | } | |
511 | } | |
512 | ||
4aa2c47c AS |
513 | static u32 brcmf_chip_dmp_get_desc(struct brcmf_chip_priv *ci, u32 *eromaddr, |
514 | u8 *type) | |
515 | { | |
516 | u32 val; | |
517 | ||
518 | /* read next descriptor */ | |
519 | val = ci->ops->read32(ci->ctx, *eromaddr); | |
520 | *eromaddr += 4; | |
521 | ||
522 | if (!type) | |
523 | return val; | |
524 | ||
525 | /* determine descriptor type */ | |
526 | *type = (val & DMP_DESC_TYPE_MSK); | |
527 | if ((*type & ~DMP_DESC_ADDRSIZE_GT32) == DMP_DESC_ADDRESS) | |
528 | *type = DMP_DESC_ADDRESS; | |
529 | ||
530 | return val; | |
531 | } | |
532 | ||
533 | static int brcmf_chip_dmp_get_regaddr(struct brcmf_chip_priv *ci, u32 *eromaddr, | |
534 | u32 *regbase, u32 *wrapbase) | |
535 | { | |
536 | u8 desc; | |
537 | u32 val; | |
538 | u8 mpnum = 0; | |
539 | u8 stype, sztype, wraptype; | |
540 | ||
541 | *regbase = 0; | |
542 | *wrapbase = 0; | |
543 | ||
544 | val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); | |
545 | if (desc == DMP_DESC_MASTER_PORT) { | |
546 | mpnum = (val & DMP_MASTER_PORT_NUM) >> DMP_MASTER_PORT_NUM_S; | |
547 | wraptype = DMP_SLAVE_TYPE_MWRAP; | |
548 | } else if (desc == DMP_DESC_ADDRESS) { | |
549 | /* revert erom address */ | |
550 | *eromaddr -= 4; | |
551 | wraptype = DMP_SLAVE_TYPE_SWRAP; | |
552 | } else { | |
553 | *eromaddr -= 4; | |
554 | return -EILSEQ; | |
555 | } | |
556 | ||
557 | do { | |
558 | /* locate address descriptor */ | |
559 | do { | |
560 | val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); | |
561 | /* unexpected table end */ | |
562 | if (desc == DMP_DESC_EOT) { | |
563 | *eromaddr -= 4; | |
564 | return -EFAULT; | |
565 | } | |
566 | } while (desc != DMP_DESC_ADDRESS); | |
567 | ||
568 | /* skip upper 32-bit address descriptor */ | |
569 | if (val & DMP_DESC_ADDRSIZE_GT32) | |
570 | brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); | |
571 | ||
572 | sztype = (val & DMP_SLAVE_SIZE_TYPE) >> DMP_SLAVE_SIZE_TYPE_S; | |
573 | ||
574 | /* next size descriptor can be skipped */ | |
575 | if (sztype == DMP_SLAVE_SIZE_DESC) { | |
576 | val = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); | |
577 | /* skip upper size descriptor if present */ | |
578 | if (val & DMP_DESC_ADDRSIZE_GT32) | |
579 | brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); | |
580 | } | |
581 | ||
582 | /* only look for 4K register regions */ | |
583 | if (sztype != DMP_SLAVE_SIZE_4K) | |
584 | continue; | |
585 | ||
586 | stype = (val & DMP_SLAVE_TYPE) >> DMP_SLAVE_TYPE_S; | |
587 | ||
588 | /* only regular slave and wrapper */ | |
589 | if (*regbase == 0 && stype == DMP_SLAVE_TYPE_SLAVE) | |
590 | *regbase = val & DMP_SLAVE_ADDR_BASE; | |
591 | if (*wrapbase == 0 && stype == wraptype) | |
592 | *wrapbase = val & DMP_SLAVE_ADDR_BASE; | |
593 | } while (*regbase == 0 || *wrapbase == 0); | |
594 | ||
595 | return 0; | |
596 | } | |
597 | ||
598 | static | |
599 | int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) | |
600 | { | |
601 | struct brcmf_core *core; | |
602 | u32 eromaddr; | |
603 | u8 desc_type = 0; | |
604 | u32 val; | |
605 | u16 id; | |
606 | u8 nmp, nsp, nmw, nsw, rev; | |
607 | u32 base, wrap; | |
608 | int err; | |
609 | ||
610 | eromaddr = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, eromptr)); | |
611 | ||
612 | while (desc_type != DMP_DESC_EOT) { | |
613 | val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); | |
614 | if (!(val & DMP_DESC_VALID)) | |
615 | continue; | |
616 | ||
617 | if (desc_type == DMP_DESC_EMPTY) | |
618 | continue; | |
619 | ||
620 | /* need a component descriptor */ | |
621 | if (desc_type != DMP_DESC_COMPONENT) | |
622 | continue; | |
623 | ||
624 | id = (val & DMP_COMP_PARTNUM) >> DMP_COMP_PARTNUM_S; | |
625 | ||
626 | /* next descriptor must be component as well */ | |
627 | val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); | |
628 | if (WARN_ON((val & DMP_DESC_TYPE_MSK) != DMP_DESC_COMPONENT)) | |
629 | return -EFAULT; | |
630 | ||
631 | /* only look at cores with master port(s) */ | |
632 | nmp = (val & DMP_COMP_NUM_MPORT) >> DMP_COMP_NUM_MPORT_S; | |
633 | nsp = (val & DMP_COMP_NUM_SPORT) >> DMP_COMP_NUM_SPORT_S; | |
634 | nmw = (val & DMP_COMP_NUM_MWRAP) >> DMP_COMP_NUM_MWRAP_S; | |
635 | nsw = (val & DMP_COMP_NUM_SWRAP) >> DMP_COMP_NUM_SWRAP_S; | |
636 | rev = (val & DMP_COMP_REVISION) >> DMP_COMP_REVISION_S; | |
637 | ||
638 | /* need core with ports */ | |
639 | if (nmw + nsw == 0) | |
640 | continue; | |
641 | ||
642 | /* try to obtain register address info */ | |
643 | err = brcmf_chip_dmp_get_regaddr(ci, &eromaddr, &base, &wrap); | |
644 | if (err) | |
645 | continue; | |
646 | ||
647 | /* finally a core to be added */ | |
648 | core = brcmf_chip_add_core(ci, id, base, wrap); | |
649 | if (IS_ERR(core)) | |
650 | return PTR_ERR(core); | |
651 | ||
652 | core->rev = rev; | |
653 | } | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
cb7cf7be AS |
658 | static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) |
659 | { | |
660 | struct brcmf_core *core; | |
a83369b6 | 661 | u32 regdata; |
c805eeb7 | 662 | u32 socitype; |
a83369b6 | 663 | |
069eddd9 | 664 | /* Get CC core rev |
c805eeb7 | 665 | * Chipid is assume to be at offset 0 from SI_ENUM_BASE |
a83369b6 FL |
666 | * For different chiptypes or old sdio hosts w/o chipcommon, |
667 | * other ways of recognition should be added here. | |
668 | */ | |
cb7cf7be AS |
669 | regdata = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, chipid)); |
670 | ci->pub.chip = regdata & CID_ID_MASK; | |
671 | ci->pub.chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; | |
c805eeb7 | 672 | socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; |
a83369b6 | 673 | |
cb7cf7be AS |
674 | brcmf_chip_name(ci->pub.chip, ci->pub.name, sizeof(ci->pub.name)); |
675 | brcmf_dbg(INFO, "found %s chip: BCM%s, rev=%d\n", | |
676 | socitype == SOCI_SB ? "SB" : "AXI", ci->pub.name, | |
677 | ci->pub.chiprev); | |
a83369b6 | 678 | |
c805eeb7 | 679 | if (socitype == SOCI_SB) { |
5779ae6a | 680 | if (ci->pub.chip != BRCM_CC_4329_CHIP_ID) { |
c805eeb7 AS |
681 | brcmf_err("SB chip is not supported\n"); |
682 | return -ENODEV; | |
683 | } | |
cb7cf7be AS |
684 | ci->iscoreup = brcmf_chip_sb_iscoreup; |
685 | ci->coredisable = brcmf_chip_sb_coredisable; | |
686 | ci->resetcore = brcmf_chip_sb_resetcore; | |
687 | ||
688 | core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, | |
689 | SI_ENUM_BASE, 0); | |
690 | brcmf_chip_sb_corerev(ci, core); | |
691 | core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, | |
692 | BCM4329_CORE_BUS_BASE, 0); | |
693 | brcmf_chip_sb_corerev(ci, core); | |
694 | core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, | |
695 | BCM4329_CORE_SOCRAM_BASE, 0); | |
696 | brcmf_chip_sb_corerev(ci, core); | |
697 | core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, | |
698 | BCM4329_CORE_ARM_BASE, 0); | |
699 | brcmf_chip_sb_corerev(ci, core); | |
4aa2c47c AS |
700 | |
701 | core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); | |
702 | brcmf_chip_sb_corerev(ci, core); | |
c805eeb7 | 703 | } else if (socitype == SOCI_AI) { |
cb7cf7be AS |
704 | ci->iscoreup = brcmf_chip_ai_iscoreup; |
705 | ci->coredisable = brcmf_chip_ai_coredisable; | |
706 | ci->resetcore = brcmf_chip_ai_resetcore; | |
c805eeb7 | 707 | |
4aa2c47c | 708 | brcmf_chip_dmp_erom_scan(ci); |
c805eeb7 AS |
709 | } else { |
710 | brcmf_err("chip backplane type %u is not supported\n", | |
711 | socitype); | |
6ca687d9 FL |
712 | return -ENODEV; |
713 | } | |
714 | ||
cb7cf7be AS |
715 | brcmf_chip_get_raminfo(ci); |
716 | ||
717 | return brcmf_chip_cores_check(ci); | |
a83369b6 FL |
718 | } |
719 | ||
cb7cf7be | 720 | static void brcmf_chip_disable_arm(struct brcmf_chip_priv *chip, u16 id) |
5b45e54e | 721 | { |
cb7cf7be AS |
722 | struct brcmf_core *core; |
723 | struct brcmf_core_priv *cr4; | |
724 | u32 val; | |
79ae3957 | 725 | |
cb7cf7be AS |
726 | |
727 | core = brcmf_chip_get_core(&chip->pub, id); | |
728 | if (!core) | |
729 | return; | |
730 | ||
731 | switch (id) { | |
732 | case BCMA_CORE_ARM_CM3: | |
733 | brcmf_chip_coredisable(core, 0, 0); | |
734 | break; | |
735 | case BCMA_CORE_ARM_CR4: | |
736 | cr4 = container_of(core, struct brcmf_core_priv, pub); | |
737 | ||
738 | /* clear all IOCTL bits except HALT bit */ | |
739 | val = chip->ops->read32(chip->ctx, cr4->wrapbase + BCMA_IOCTL); | |
740 | val &= ARMCR4_BCMA_IOCTL_CPUHALT; | |
741 | brcmf_chip_resetcore(core, val, ARMCR4_BCMA_IOCTL_CPUHALT, | |
742 | ARMCR4_BCMA_IOCTL_CPUHALT); | |
743 | break; | |
744 | default: | |
745 | brcmf_err("unknown id: %u\n", id); | |
746 | break; | |
747 | } | |
748 | } | |
749 | ||
750 | static int brcmf_chip_setup(struct brcmf_chip_priv *chip) | |
751 | { | |
752 | struct brcmf_chip *pub; | |
753 | struct brcmf_core_priv *cc; | |
cb7cf7be AS |
754 | u32 base; |
755 | u32 val; | |
756 | int ret = 0; | |
757 | ||
758 | pub = &chip->pub; | |
759 | cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); | |
760 | base = cc->pub.base; | |
5b45e54e FL |
761 | |
762 | /* get chipcommon capabilites */ | |
cb7cf7be AS |
763 | pub->cc_caps = chip->ops->read32(chip->ctx, |
764 | CORE_CC_REG(base, capabilities)); | |
5b45e54e FL |
765 | |
766 | /* get pmu caps & rev */ | |
cb7cf7be AS |
767 | if (pub->cc_caps & CC_CAP_PMU) { |
768 | val = chip->ops->read32(chip->ctx, | |
769 | CORE_CC_REG(base, pmucapabilities)); | |
770 | pub->pmurev = val & PCAP_REV_MASK; | |
771 | pub->pmucaps = val; | |
5b45e54e FL |
772 | } |
773 | ||
4aa2c47c AS |
774 | brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, pmucaps=0x%x\n", |
775 | cc->pub.rev, pub->pmurev, pub->pmucaps); | |
cb7cf7be AS |
776 | |
777 | /* execute bus core specific setup */ | |
778 | if (chip->ops->setup) | |
779 | ret = chip->ops->setup(chip->ctx, pub); | |
966414da FL |
780 | |
781 | /* | |
782 | * Make sure any on-chip ARM is off (in case strapping is wrong), | |
783 | * or downloaded code was already running. | |
784 | */ | |
cb7cf7be AS |
785 | brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3); |
786 | brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4); | |
787 | return ret; | |
5b45e54e FL |
788 | } |
789 | ||
cb7cf7be AS |
790 | struct brcmf_chip *brcmf_chip_attach(void *ctx, |
791 | const struct brcmf_buscore_ops *ops) | |
a83369b6 | 792 | { |
cb7cf7be AS |
793 | struct brcmf_chip_priv *chip; |
794 | int err = 0; | |
795 | ||
796 | if (WARN_ON(!ops->read32)) | |
797 | err = -EINVAL; | |
798 | if (WARN_ON(!ops->write32)) | |
799 | err = -EINVAL; | |
800 | if (WARN_ON(!ops->prepare)) | |
801 | err = -EINVAL; | |
802 | if (WARN_ON(!ops->exit_dl)) | |
803 | err = -EINVAL; | |
804 | if (err < 0) | |
805 | return ERR_PTR(-EINVAL); | |
806 | ||
807 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
808 | if (!chip) | |
809 | return ERR_PTR(-ENOMEM); | |
810 | ||
811 | INIT_LIST_HEAD(&chip->cores); | |
812 | chip->num_cores = 0; | |
813 | chip->ops = ops; | |
814 | chip->ctx = ctx; | |
815 | ||
816 | err = ops->prepare(ctx); | |
817 | if (err < 0) | |
818 | goto fail; | |
819 | ||
820 | err = brcmf_chip_recognition(chip); | |
821 | if (err < 0) | |
822 | goto fail; | |
823 | ||
824 | err = brcmf_chip_setup(chip); | |
825 | if (err < 0) | |
826 | goto fail; | |
827 | ||
828 | return &chip->pub; | |
829 | ||
830 | fail: | |
831 | brcmf_chip_detach(&chip->pub); | |
832 | return ERR_PTR(err); | |
833 | } | |
a97e4fc5 | 834 | |
cb7cf7be AS |
835 | void brcmf_chip_detach(struct brcmf_chip *pub) |
836 | { | |
837 | struct brcmf_chip_priv *chip; | |
838 | struct brcmf_core_priv *core; | |
839 | struct brcmf_core_priv *tmp; | |
840 | ||
841 | chip = container_of(pub, struct brcmf_chip_priv, pub); | |
842 | list_for_each_entry_safe(core, tmp, &chip->cores, list) { | |
843 | list_del(&core->list); | |
844 | kfree(core); | |
845 | } | |
846 | kfree(chip); | |
847 | } | |
a97e4fc5 | 848 | |
cb7cf7be AS |
849 | struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *pub, u16 coreid) |
850 | { | |
851 | struct brcmf_chip_priv *chip; | |
852 | struct brcmf_core_priv *core; | |
a83369b6 | 853 | |
cb7cf7be AS |
854 | chip = container_of(pub, struct brcmf_chip_priv, pub); |
855 | list_for_each_entry(core, &chip->cores, list) | |
856 | if (core->pub.id == coreid) | |
857 | return &core->pub; | |
e63ac6b8 | 858 | |
cb7cf7be AS |
859 | return NULL; |
860 | } | |
a83369b6 | 861 | |
cb7cf7be AS |
862 | struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *pub) |
863 | { | |
864 | struct brcmf_chip_priv *chip; | |
865 | struct brcmf_core_priv *cc; | |
866 | ||
867 | chip = container_of(pub, struct brcmf_chip_priv, pub); | |
868 | cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); | |
869 | if (WARN_ON(!cc || cc->pub.id != BCMA_CORE_CHIPCOMMON)) | |
870 | return brcmf_chip_get_core(pub, BCMA_CORE_CHIPCOMMON); | |
871 | return &cc->pub; | |
872 | } | |
5b45e54e | 873 | |
cb7cf7be AS |
874 | bool brcmf_chip_iscoreup(struct brcmf_core *pub) |
875 | { | |
876 | struct brcmf_core_priv *core; | |
960908dc | 877 | |
cb7cf7be AS |
878 | core = container_of(pub, struct brcmf_core_priv, pub); |
879 | return core->chip->iscoreup(core); | |
880 | } | |
a97e4fc5 | 881 | |
cb7cf7be AS |
882 | void brcmf_chip_coredisable(struct brcmf_core *pub, u32 prereset, u32 reset) |
883 | { | |
884 | struct brcmf_core_priv *core; | |
885 | ||
886 | core = container_of(pub, struct brcmf_core_priv, pub); | |
887 | core->chip->coredisable(core, prereset, reset); | |
a83369b6 | 888 | } |
a8a6c045 | 889 | |
cb7cf7be AS |
890 | void brcmf_chip_resetcore(struct brcmf_core *pub, u32 prereset, u32 reset, |
891 | u32 postreset) | |
a8a6c045 | 892 | { |
cb7cf7be | 893 | struct brcmf_core_priv *core; |
a8a6c045 | 894 | |
cb7cf7be AS |
895 | core = container_of(pub, struct brcmf_core_priv, pub); |
896 | core->chip->resetcore(core, prereset, reset, postreset); | |
a8a6c045 | 897 | } |
e12afb6c | 898 | |
069eddd9 | 899 | static void |
cb7cf7be | 900 | brcmf_chip_cm3_enterdl(struct brcmf_chip_priv *chip) |
069eddd9 | 901 | { |
cb7cf7be AS |
902 | struct brcmf_core *core; |
903 | ||
904 | brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3); | |
905 | core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); | |
906 | brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | | |
907 | D11_BCMA_IOCTL_PHYCLOCKEN, | |
908 | D11_BCMA_IOCTL_PHYCLOCKEN, | |
909 | D11_BCMA_IOCTL_PHYCLOCKEN); | |
910 | core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); | |
911 | brcmf_chip_resetcore(core, 0, 0, 0); | |
069eddd9 FL |
912 | } |
913 | ||
cb7cf7be | 914 | static bool brcmf_chip_cm3_exitdl(struct brcmf_chip_priv *chip) |
069eddd9 | 915 | { |
cb7cf7be | 916 | struct brcmf_core *core; |
069eddd9 | 917 | |
cb7cf7be AS |
918 | core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); |
919 | if (!brcmf_chip_iscoreup(core)) { | |
069eddd9 FL |
920 | brcmf_err("SOCRAM core is down after reset?\n"); |
921 | return false; | |
922 | } | |
923 | ||
cb7cf7be | 924 | chip->ops->exit_dl(chip->ctx, &chip->pub, 0); |
069eddd9 | 925 | |
cb7cf7be AS |
926 | core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CM3); |
927 | brcmf_chip_resetcore(core, 0, 0, 0); | |
1640f28f FL |
928 | |
929 | return true; | |
930 | } | |
931 | ||
932 | static inline void | |
cb7cf7be | 933 | brcmf_chip_cr4_enterdl(struct brcmf_chip_priv *chip) |
1640f28f | 934 | { |
cb7cf7be | 935 | struct brcmf_core *core; |
53036261 | 936 | |
cb7cf7be | 937 | brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4); |
53036261 | 938 | |
cb7cf7be AS |
939 | core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); |
940 | brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | | |
941 | D11_BCMA_IOCTL_PHYCLOCKEN, | |
942 | D11_BCMA_IOCTL_PHYCLOCKEN, | |
943 | D11_BCMA_IOCTL_PHYCLOCKEN); | |
1640f28f FL |
944 | } |
945 | ||
cb7cf7be | 946 | static bool brcmf_chip_cr4_exitdl(struct brcmf_chip_priv *chip, u32 rstvec) |
1640f28f | 947 | { |
cb7cf7be | 948 | struct brcmf_core *core; |
1640f28f | 949 | |
cb7cf7be | 950 | chip->ops->exit_dl(chip->ctx, &chip->pub, rstvec); |
1640f28f FL |
951 | |
952 | /* restore ARM */ | |
cb7cf7be AS |
953 | core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CR4); |
954 | brcmf_chip_resetcore(core, ARMCR4_BCMA_IOCTL_CPUHALT, 0, 0); | |
069eddd9 FL |
955 | |
956 | return true; | |
957 | } | |
958 | ||
cb7cf7be | 959 | void brcmf_chip_enter_download(struct brcmf_chip *pub) |
069eddd9 | 960 | { |
cb7cf7be AS |
961 | struct brcmf_chip_priv *chip; |
962 | struct brcmf_core *arm; | |
963 | ||
964 | brcmf_dbg(TRACE, "Enter\n"); | |
1640f28f | 965 | |
cb7cf7be | 966 | chip = container_of(pub, struct brcmf_chip_priv, pub); |
2da5cb29 | 967 | arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); |
cb7cf7be | 968 | if (arm) { |
2da5cb29 | 969 | brcmf_chip_cr4_enterdl(chip); |
1640f28f FL |
970 | return; |
971 | } | |
972 | ||
2da5cb29 | 973 | brcmf_chip_cm3_enterdl(chip); |
cb7cf7be AS |
974 | } |
975 | ||
976 | bool brcmf_chip_exit_download(struct brcmf_chip *pub, u32 rstvec) | |
977 | { | |
978 | struct brcmf_chip_priv *chip; | |
979 | struct brcmf_core *arm; | |
980 | ||
981 | brcmf_dbg(TRACE, "Enter\n"); | |
982 | ||
983 | chip = container_of(pub, struct brcmf_chip_priv, pub); | |
2da5cb29 | 984 | arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); |
cb7cf7be | 985 | if (arm) |
2da5cb29 | 986 | return brcmf_chip_cr4_exitdl(chip, rstvec); |
cb7cf7be | 987 | |
2da5cb29 | 988 | return brcmf_chip_cm3_exitdl(chip); |
069eddd9 FL |
989 | } |
990 | ||
cb7cf7be | 991 | bool brcmf_chip_sr_capable(struct brcmf_chip *pub) |
069eddd9 | 992 | { |
cb7cf7be AS |
993 | u32 base, addr, reg, pmu_cc3_mask = ~0; |
994 | struct brcmf_chip_priv *chip; | |
1640f28f | 995 | |
cb7cf7be AS |
996 | brcmf_dbg(TRACE, "Enter\n"); |
997 | ||
998 | /* old chips with PMU version less than 17 don't support save restore */ | |
999 | if (pub->pmurev < 17) | |
1000 | return false; | |
1640f28f | 1001 | |
cb7cf7be AS |
1002 | base = brcmf_chip_get_chipcommon(pub)->base; |
1003 | chip = container_of(pub, struct brcmf_chip_priv, pub); | |
1004 | ||
1005 | switch (pub->chip) { | |
5779ae6a | 1006 | case BRCM_CC_4354_CHIP_ID: |
a797ca1e FL |
1007 | /* explicitly check SR engine enable bit */ |
1008 | pmu_cc3_mask = BIT(2); | |
1009 | /* fall-through */ | |
5779ae6a HM |
1010 | case BRCM_CC_43241_CHIP_ID: |
1011 | case BRCM_CC_4335_CHIP_ID: | |
1012 | case BRCM_CC_4339_CHIP_ID: | |
cb7cf7be AS |
1013 | /* read PMU chipcontrol register 3 */ |
1014 | addr = CORE_CC_REG(base, chipcontrol_addr); | |
1015 | chip->ops->write32(chip->ctx, addr, 3); | |
1016 | addr = CORE_CC_REG(base, chipcontrol_data); | |
1017 | reg = chip->ops->read32(chip->ctx, addr); | |
1018 | return (reg & pmu_cc3_mask) != 0; | |
1019 | default: | |
1020 | addr = CORE_CC_REG(base, pmucapabilities_ext); | |
1021 | reg = chip->ops->read32(chip->ctx, addr); | |
1022 | if ((reg & PCAPEXT_SR_SUPPORTED_MASK) == 0) | |
1023 | return false; | |
1024 | ||
1025 | addr = CORE_CC_REG(base, retention_ctl); | |
1026 | reg = chip->ops->read32(chip->ctx, addr); | |
1027 | return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK | | |
1028 | PMU_RCTL_LOGIC_DISABLE_MASK)) == 0; | |
1029 | } | |
069eddd9 | 1030 | } |