qcom_q6v5_adsp.c 20 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849
  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Qualcomm Technology Inc. ADSP Peripheral Image Loader for SDM845.
  4. * Copyright (c) 2018, The Linux Foundation. All rights reserved.
  5. */
  6. #include <linux/clk.h>
  7. #include <linux/delay.h>
  8. #include <linux/firmware.h>
  9. #include <linux/interrupt.h>
  10. #include <linux/io.h>
  11. #include <linux/iommu.h>
  12. #include <linux/iopoll.h>
  13. #include <linux/kernel.h>
  14. #include <linux/mfd/syscon.h>
  15. #include <linux/module.h>
  16. #include <linux/of.h>
  17. #include <linux/of_reserved_mem.h>
  18. #include <linux/platform_device.h>
  19. #include <linux/pm_domain.h>
  20. #include <linux/pm_runtime.h>
  21. #include <linux/regmap.h>
  22. #include <linux/remoteproc.h>
  23. #include <linux/reset.h>
  24. #include <linux/soc/qcom/mdt_loader.h>
  25. #include <linux/soc/qcom/smem.h>
  26. #include <linux/soc/qcom/smem_state.h>
  27. #include "qcom_common.h"
  28. #include "qcom_pil_info.h"
  29. #include "qcom_q6v5.h"
  30. #include "remoteproc_internal.h"
  31. /* time out value */
  32. #define ACK_TIMEOUT 1000
  33. #define ACK_TIMEOUT_US 1000000
  34. #define BOOT_FSM_TIMEOUT 10000
  35. /* mask values */
  36. #define EVB_MASK GENMASK(27, 4)
  37. /*QDSP6SS register offsets*/
  38. #define RST_EVB_REG 0x10
  39. #define CORE_START_REG 0x400
  40. #define BOOT_CMD_REG 0x404
  41. #define BOOT_STATUS_REG 0x408
  42. #define RET_CFG_REG 0x1C
  43. /*TCSR register offsets*/
  44. #define LPASS_MASTER_IDLE_REG 0x8
  45. #define LPASS_HALTACK_REG 0x4
  46. #define LPASS_PWR_ON_REG 0x10
  47. #define LPASS_HALTREQ_REG 0x0
  48. #define SID_MASK_DEFAULT 0xF
  49. #define QDSP6SS_XO_CBCR 0x38
  50. #define QDSP6SS_CORE_CBCR 0x20
  51. #define QDSP6SS_SLEEP_CBCR 0x3c
  52. #define LPASS_BOOT_CORE_START BIT(0)
  53. #define LPASS_BOOT_CMD_START BIT(0)
  54. #define LPASS_EFUSE_Q6SS_EVB_SEL 0x0
  55. struct adsp_pil_data {
  56. int crash_reason_smem;
  57. const char *firmware_name;
  58. const char *ssr_name;
  59. const char *sysmon_name;
  60. int ssctl_id;
  61. bool is_wpss;
  62. bool has_iommu;
  63. bool auto_boot;
  64. const char **clk_ids;
  65. int num_clks;
  66. const char **pd_names;
  67. unsigned int num_pds;
  68. const char *load_state;
  69. };
  70. struct qcom_adsp {
  71. struct device *dev;
  72. struct rproc *rproc;
  73. struct qcom_q6v5 q6v5;
  74. struct clk *xo;
  75. int num_clks;
  76. struct clk_bulk_data *clks;
  77. void __iomem *qdsp6ss_base;
  78. void __iomem *lpass_efuse;
  79. struct reset_control *pdc_sync_reset;
  80. struct reset_control *restart;
  81. struct regmap *halt_map;
  82. unsigned int halt_lpass;
  83. int crash_reason_smem;
  84. const char *info_name;
  85. struct completion start_done;
  86. struct completion stop_done;
  87. phys_addr_t mem_phys;
  88. phys_addr_t mem_reloc;
  89. void *mem_region;
  90. size_t mem_size;
  91. bool has_iommu;
  92. struct dev_pm_domain_list *pd_list;
  93. struct qcom_rproc_glink glink_subdev;
  94. struct qcom_rproc_pdm pdm_subdev;
  95. struct qcom_rproc_ssr ssr_subdev;
  96. struct qcom_sysmon *sysmon;
  97. int (*shutdown)(struct qcom_adsp *adsp);
  98. };
  99. static int qcom_rproc_pds_attach(struct qcom_adsp *adsp, const char **pd_names,
  100. unsigned int num_pds)
  101. {
  102. struct device *dev = adsp->dev;
  103. struct dev_pm_domain_attach_data pd_data = {
  104. .pd_names = pd_names,
  105. .num_pd_names = num_pds,
  106. };
  107. int ret;
  108. /* Handle single power domain */
  109. if (dev->pm_domain)
  110. goto out;
  111. if (!pd_names)
  112. return 0;
  113. ret = dev_pm_domain_attach_list(dev, &pd_data, &adsp->pd_list);
  114. if (ret < 0)
  115. return ret;
  116. out:
  117. pm_runtime_enable(dev);
  118. return 0;
  119. }
  120. static void qcom_rproc_pds_detach(struct qcom_adsp *adsp)
  121. {
  122. struct device *dev = adsp->dev;
  123. struct dev_pm_domain_list *pds = adsp->pd_list;
  124. dev_pm_domain_detach_list(pds);
  125. if (dev->pm_domain || pds)
  126. pm_runtime_disable(adsp->dev);
  127. }
  128. static int qcom_rproc_pds_enable(struct qcom_adsp *adsp)
  129. {
  130. struct device *dev = adsp->dev;
  131. struct dev_pm_domain_list *pds = adsp->pd_list;
  132. int ret, i = 0;
  133. if (!dev->pm_domain && !pds)
  134. return 0;
  135. if (dev->pm_domain)
  136. dev_pm_genpd_set_performance_state(dev, INT_MAX);
  137. while (pds && i < pds->num_pds) {
  138. dev_pm_genpd_set_performance_state(pds->pd_devs[i], INT_MAX);
  139. i++;
  140. }
  141. ret = pm_runtime_resume_and_get(dev);
  142. if (ret < 0) {
  143. while (pds && i > 0) {
  144. i--;
  145. dev_pm_genpd_set_performance_state(pds->pd_devs[i], 0);
  146. }
  147. if (dev->pm_domain)
  148. dev_pm_genpd_set_performance_state(dev, 0);
  149. }
  150. return ret;
  151. }
  152. static void qcom_rproc_pds_disable(struct qcom_adsp *adsp)
  153. {
  154. struct device *dev = adsp->dev;
  155. struct dev_pm_domain_list *pds = adsp->pd_list;
  156. int i = 0;
  157. if (!dev->pm_domain && !pds)
  158. return;
  159. if (dev->pm_domain)
  160. dev_pm_genpd_set_performance_state(dev, 0);
  161. while (pds && i < pds->num_pds) {
  162. dev_pm_genpd_set_performance_state(pds->pd_devs[i], 0);
  163. i++;
  164. }
  165. pm_runtime_put(dev);
  166. }
  167. static int qcom_wpss_shutdown(struct qcom_adsp *adsp)
  168. {
  169. unsigned int val;
  170. regmap_write(adsp->halt_map, adsp->halt_lpass + LPASS_HALTREQ_REG, 1);
  171. /* Wait for halt ACK from QDSP6 */
  172. regmap_read_poll_timeout(adsp->halt_map,
  173. adsp->halt_lpass + LPASS_HALTACK_REG, val,
  174. val, 1000, ACK_TIMEOUT_US);
  175. /* Assert the WPSS PDC Reset */
  176. reset_control_assert(adsp->pdc_sync_reset);
  177. /* Place the WPSS processor into reset */
  178. reset_control_assert(adsp->restart);
  179. /* wait after asserting subsystem restart from AOSS */
  180. usleep_range(200, 205);
  181. /* Remove the WPSS reset */
  182. reset_control_deassert(adsp->restart);
  183. /* De-assert the WPSS PDC Reset */
  184. reset_control_deassert(adsp->pdc_sync_reset);
  185. usleep_range(100, 105);
  186. clk_bulk_disable_unprepare(adsp->num_clks, adsp->clks);
  187. regmap_write(adsp->halt_map, adsp->halt_lpass + LPASS_HALTREQ_REG, 0);
  188. /* Wait for halt ACK from QDSP6 */
  189. regmap_read_poll_timeout(adsp->halt_map,
  190. adsp->halt_lpass + LPASS_HALTACK_REG, val,
  191. !val, 1000, ACK_TIMEOUT_US);
  192. return 0;
  193. }
  194. static int qcom_adsp_shutdown(struct qcom_adsp *adsp)
  195. {
  196. unsigned long timeout;
  197. unsigned int val;
  198. int ret;
  199. /* Reset the retention logic */
  200. val = readl(adsp->qdsp6ss_base + RET_CFG_REG);
  201. val |= 0x1;
  202. writel(val, adsp->qdsp6ss_base + RET_CFG_REG);
  203. clk_bulk_disable_unprepare(adsp->num_clks, adsp->clks);
  204. /* QDSP6 master port needs to be explicitly halted */
  205. ret = regmap_read(adsp->halt_map,
  206. adsp->halt_lpass + LPASS_PWR_ON_REG, &val);
  207. if (ret || !val)
  208. goto reset;
  209. ret = regmap_read(adsp->halt_map,
  210. adsp->halt_lpass + LPASS_MASTER_IDLE_REG,
  211. &val);
  212. if (ret || val)
  213. goto reset;
  214. regmap_write(adsp->halt_map,
  215. adsp->halt_lpass + LPASS_HALTREQ_REG, 1);
  216. /* Wait for halt ACK from QDSP6 */
  217. timeout = jiffies + msecs_to_jiffies(ACK_TIMEOUT);
  218. for (;;) {
  219. ret = regmap_read(adsp->halt_map,
  220. adsp->halt_lpass + LPASS_HALTACK_REG, &val);
  221. if (ret || val || time_after(jiffies, timeout))
  222. break;
  223. usleep_range(1000, 1100);
  224. }
  225. ret = regmap_read(adsp->halt_map,
  226. adsp->halt_lpass + LPASS_MASTER_IDLE_REG, &val);
  227. if (ret || !val)
  228. dev_err(adsp->dev, "port failed halt\n");
  229. reset:
  230. /* Assert the LPASS PDC Reset */
  231. reset_control_assert(adsp->pdc_sync_reset);
  232. /* Place the LPASS processor into reset */
  233. reset_control_assert(adsp->restart);
  234. /* wait after asserting subsystem restart from AOSS */
  235. usleep_range(200, 300);
  236. /* Clear the halt request for the AXIM and AHBM for Q6 */
  237. regmap_write(adsp->halt_map, adsp->halt_lpass + LPASS_HALTREQ_REG, 0);
  238. /* De-assert the LPASS PDC Reset */
  239. reset_control_deassert(adsp->pdc_sync_reset);
  240. /* Remove the LPASS reset */
  241. reset_control_deassert(adsp->restart);
  242. /* wait after de-asserting subsystem restart from AOSS */
  243. usleep_range(200, 300);
  244. return 0;
  245. }
  246. static int adsp_load(struct rproc *rproc, const struct firmware *fw)
  247. {
  248. struct qcom_adsp *adsp = rproc->priv;
  249. int ret;
  250. ret = qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware,
  251. adsp->mem_region, adsp->mem_phys,
  252. adsp->mem_size, &adsp->mem_reloc);
  253. if (ret)
  254. return ret;
  255. qcom_pil_info_store(adsp->info_name, adsp->mem_phys, adsp->mem_size);
  256. return 0;
  257. }
  258. static void adsp_unmap_carveout(struct rproc *rproc)
  259. {
  260. struct qcom_adsp *adsp = rproc->priv;
  261. if (adsp->has_iommu)
  262. iommu_unmap(rproc->domain, adsp->mem_phys, adsp->mem_size);
  263. }
  264. static int adsp_map_carveout(struct rproc *rproc)
  265. {
  266. struct qcom_adsp *adsp = rproc->priv;
  267. struct of_phandle_args args;
  268. long long sid;
  269. unsigned long iova;
  270. int ret;
  271. if (!adsp->has_iommu)
  272. return 0;
  273. if (!rproc->domain)
  274. return -EINVAL;
  275. ret = of_parse_phandle_with_args(adsp->dev->of_node, "iommus", "#iommu-cells", 0, &args);
  276. if (ret < 0)
  277. return ret;
  278. sid = args.args[0] & SID_MASK_DEFAULT;
  279. /* Add SID configuration for ADSP Firmware to SMMU */
  280. iova = adsp->mem_phys | (sid << 32);
  281. ret = iommu_map(rproc->domain, iova, adsp->mem_phys,
  282. adsp->mem_size, IOMMU_READ | IOMMU_WRITE,
  283. GFP_KERNEL);
  284. if (ret) {
  285. dev_err(adsp->dev, "Unable to map ADSP Physical Memory\n");
  286. return ret;
  287. }
  288. return 0;
  289. }
  290. static int adsp_start(struct rproc *rproc)
  291. {
  292. struct qcom_adsp *adsp = rproc->priv;
  293. int ret;
  294. unsigned int val;
  295. ret = qcom_q6v5_prepare(&adsp->q6v5);
  296. if (ret)
  297. return ret;
  298. ret = adsp_map_carveout(rproc);
  299. if (ret) {
  300. dev_err(adsp->dev, "ADSP smmu mapping failed\n");
  301. goto disable_irqs;
  302. }
  303. ret = clk_prepare_enable(adsp->xo);
  304. if (ret)
  305. goto adsp_smmu_unmap;
  306. ret = qcom_rproc_pds_enable(adsp);
  307. if (ret < 0)
  308. goto disable_xo_clk;
  309. ret = clk_bulk_prepare_enable(adsp->num_clks, adsp->clks);
  310. if (ret) {
  311. dev_err(adsp->dev, "adsp clk_enable failed\n");
  312. goto disable_power_domain;
  313. }
  314. /* Enable the XO clock */
  315. writel(1, adsp->qdsp6ss_base + QDSP6SS_XO_CBCR);
  316. /* Enable the QDSP6SS sleep clock */
  317. writel(1, adsp->qdsp6ss_base + QDSP6SS_SLEEP_CBCR);
  318. /* Enable the QDSP6 core clock */
  319. writel(1, adsp->qdsp6ss_base + QDSP6SS_CORE_CBCR);
  320. /* Program boot address */
  321. writel(adsp->mem_phys >> 4, adsp->qdsp6ss_base + RST_EVB_REG);
  322. if (adsp->lpass_efuse)
  323. writel(LPASS_EFUSE_Q6SS_EVB_SEL, adsp->lpass_efuse);
  324. /* De-assert QDSP6 stop core. QDSP6 will execute after out of reset */
  325. writel(LPASS_BOOT_CORE_START, adsp->qdsp6ss_base + CORE_START_REG);
  326. /* Trigger boot FSM to start QDSP6 */
  327. writel(LPASS_BOOT_CMD_START, adsp->qdsp6ss_base + BOOT_CMD_REG);
  328. /* Wait for core to come out of reset */
  329. ret = readl_poll_timeout(adsp->qdsp6ss_base + BOOT_STATUS_REG,
  330. val, (val & BIT(0)) != 0, 10, BOOT_FSM_TIMEOUT);
  331. if (ret) {
  332. dev_err(adsp->dev, "failed to bootup adsp\n");
  333. goto disable_adsp_clks;
  334. }
  335. ret = qcom_q6v5_wait_for_start(&adsp->q6v5, msecs_to_jiffies(5 * HZ));
  336. if (ret == -ETIMEDOUT) {
  337. dev_err(adsp->dev, "start timed out\n");
  338. goto disable_adsp_clks;
  339. }
  340. return 0;
  341. disable_adsp_clks:
  342. clk_bulk_disable_unprepare(adsp->num_clks, adsp->clks);
  343. disable_power_domain:
  344. qcom_rproc_pds_disable(adsp);
  345. disable_xo_clk:
  346. clk_disable_unprepare(adsp->xo);
  347. adsp_smmu_unmap:
  348. adsp_unmap_carveout(rproc);
  349. disable_irqs:
  350. qcom_q6v5_unprepare(&adsp->q6v5);
  351. return ret;
  352. }
  353. static void qcom_adsp_pil_handover(struct qcom_q6v5 *q6v5)
  354. {
  355. struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);
  356. clk_disable_unprepare(adsp->xo);
  357. qcom_rproc_pds_disable(adsp);
  358. }
  359. static int adsp_stop(struct rproc *rproc)
  360. {
  361. struct qcom_adsp *adsp = rproc->priv;
  362. int handover;
  363. int ret;
  364. ret = qcom_q6v5_request_stop(&adsp->q6v5, adsp->sysmon);
  365. if (ret == -ETIMEDOUT)
  366. dev_err(adsp->dev, "timed out on wait\n");
  367. ret = adsp->shutdown(adsp);
  368. if (ret)
  369. dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
  370. adsp_unmap_carveout(rproc);
  371. handover = qcom_q6v5_unprepare(&adsp->q6v5);
  372. if (handover)
  373. qcom_adsp_pil_handover(&adsp->q6v5);
  374. return ret;
  375. }
  376. static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
  377. {
  378. struct qcom_adsp *adsp = rproc->priv;
  379. int offset;
  380. offset = da - adsp->mem_reloc;
  381. if (offset < 0 || offset + len > adsp->mem_size)
  382. return NULL;
  383. return adsp->mem_region + offset;
  384. }
  385. static int adsp_parse_firmware(struct rproc *rproc, const struct firmware *fw)
  386. {
  387. struct qcom_adsp *adsp = rproc->priv;
  388. int ret;
  389. ret = qcom_register_dump_segments(rproc, fw);
  390. if (ret) {
  391. dev_err(&rproc->dev, "Error in registering dump segments\n");
  392. return ret;
  393. }
  394. if (adsp->has_iommu) {
  395. ret = rproc_elf_load_rsc_table(rproc, fw);
  396. if (ret) {
  397. dev_err(&rproc->dev, "Error in loading resource table\n");
  398. return ret;
  399. }
  400. }
  401. return 0;
  402. }
  403. static unsigned long adsp_panic(struct rproc *rproc)
  404. {
  405. struct qcom_adsp *adsp = rproc->priv;
  406. return qcom_q6v5_panic(&adsp->q6v5);
  407. }
  408. static const struct rproc_ops adsp_ops = {
  409. .start = adsp_start,
  410. .stop = adsp_stop,
  411. .da_to_va = adsp_da_to_va,
  412. .parse_fw = adsp_parse_firmware,
  413. .load = adsp_load,
  414. .panic = adsp_panic,
  415. };
  416. static int adsp_init_clock(struct qcom_adsp *adsp, const char **clk_ids)
  417. {
  418. int num_clks = 0;
  419. int i;
  420. adsp->xo = devm_clk_get(adsp->dev, "xo");
  421. if (IS_ERR(adsp->xo))
  422. return dev_err_probe(adsp->dev, PTR_ERR(adsp->xo), "failed to get xo clock");
  423. for (i = 0; clk_ids[i]; i++)
  424. num_clks++;
  425. adsp->num_clks = num_clks;
  426. adsp->clks = devm_kcalloc(adsp->dev, adsp->num_clks,
  427. sizeof(*adsp->clks), GFP_KERNEL);
  428. if (!adsp->clks)
  429. return -ENOMEM;
  430. for (i = 0; i < adsp->num_clks; i++)
  431. adsp->clks[i].id = clk_ids[i];
  432. return devm_clk_bulk_get(adsp->dev, adsp->num_clks, adsp->clks);
  433. }
  434. static int adsp_init_reset(struct qcom_adsp *adsp)
  435. {
  436. adsp->pdc_sync_reset = devm_reset_control_get_optional_exclusive(adsp->dev,
  437. "pdc_sync");
  438. if (IS_ERR(adsp->pdc_sync_reset)) {
  439. dev_err(adsp->dev, "failed to acquire pdc_sync reset\n");
  440. return PTR_ERR(adsp->pdc_sync_reset);
  441. }
  442. adsp->restart = devm_reset_control_get_optional_exclusive(adsp->dev, "restart");
  443. /* Fall back to the old "cc_lpass" if "restart" is absent */
  444. if (!adsp->restart)
  445. adsp->restart = devm_reset_control_get_exclusive(adsp->dev, "cc_lpass");
  446. if (IS_ERR(adsp->restart)) {
  447. dev_err(adsp->dev, "failed to acquire restart\n");
  448. return PTR_ERR(adsp->restart);
  449. }
  450. return 0;
  451. }
  452. static int adsp_init_mmio(struct qcom_adsp *adsp,
  453. struct platform_device *pdev)
  454. {
  455. struct resource *efuse_region;
  456. struct device_node *syscon;
  457. int ret;
  458. adsp->qdsp6ss_base = devm_platform_ioremap_resource(pdev, 0);
  459. if (IS_ERR(adsp->qdsp6ss_base)) {
  460. dev_err(adsp->dev, "failed to map QDSP6SS registers\n");
  461. return PTR_ERR(adsp->qdsp6ss_base);
  462. }
  463. efuse_region = platform_get_resource(pdev, IORESOURCE_MEM, 1);
  464. if (!efuse_region) {
  465. adsp->lpass_efuse = NULL;
  466. dev_dbg(adsp->dev, "failed to get efuse memory region\n");
  467. } else {
  468. adsp->lpass_efuse = devm_ioremap_resource(&pdev->dev, efuse_region);
  469. if (IS_ERR(adsp->lpass_efuse)) {
  470. dev_err(adsp->dev, "failed to map efuse registers\n");
  471. return PTR_ERR(adsp->lpass_efuse);
  472. }
  473. }
  474. syscon = of_parse_phandle(pdev->dev.of_node, "qcom,halt-regs", 0);
  475. if (!syscon) {
  476. dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n");
  477. return -EINVAL;
  478. }
  479. adsp->halt_map = syscon_node_to_regmap(syscon);
  480. of_node_put(syscon);
  481. if (IS_ERR(adsp->halt_map))
  482. return PTR_ERR(adsp->halt_map);
  483. ret = of_property_read_u32_index(pdev->dev.of_node, "qcom,halt-regs",
  484. 1, &adsp->halt_lpass);
  485. if (ret < 0) {
  486. dev_err(&pdev->dev, "no offset in syscon\n");
  487. return ret;
  488. }
  489. return 0;
  490. }
  491. static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
  492. {
  493. int ret;
  494. struct resource res;
  495. ret = of_reserved_mem_region_to_resource(adsp->dev->of_node, 0, &res);
  496. if (ret) {
  497. dev_err(adsp->dev, "unable to resolve memory-region\n");
  498. return ret;
  499. }
  500. adsp->mem_phys = adsp->mem_reloc = res.start;
  501. adsp->mem_size = resource_size(&res);
  502. adsp->mem_region = devm_ioremap_resource_wc(adsp->dev, &res);
  503. if (IS_ERR(adsp->mem_region)) {
  504. dev_err(adsp->dev, "unable to map memory region: %pR\n", &res);
  505. return PTR_ERR(adsp->mem_region);
  506. }
  507. return 0;
  508. }
  509. static int adsp_probe(struct platform_device *pdev)
  510. {
  511. const struct adsp_pil_data *desc;
  512. const char *firmware_name;
  513. struct qcom_adsp *adsp;
  514. struct rproc *rproc;
  515. int ret;
  516. desc = of_device_get_match_data(&pdev->dev);
  517. if (!desc)
  518. return -EINVAL;
  519. firmware_name = desc->firmware_name;
  520. ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
  521. &firmware_name);
  522. if (ret < 0 && ret != -EINVAL) {
  523. dev_err(&pdev->dev, "unable to read firmware-name\n");
  524. return ret;
  525. }
  526. rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &adsp_ops,
  527. firmware_name, sizeof(*adsp));
  528. if (!rproc) {
  529. dev_err(&pdev->dev, "unable to allocate remoteproc\n");
  530. return -ENOMEM;
  531. }
  532. rproc->auto_boot = desc->auto_boot;
  533. rproc->has_iommu = desc->has_iommu;
  534. rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
  535. adsp = rproc->priv;
  536. adsp->dev = &pdev->dev;
  537. adsp->rproc = rproc;
  538. adsp->info_name = desc->sysmon_name;
  539. adsp->has_iommu = desc->has_iommu;
  540. platform_set_drvdata(pdev, adsp);
  541. if (desc->is_wpss)
  542. adsp->shutdown = qcom_wpss_shutdown;
  543. else
  544. adsp->shutdown = qcom_adsp_shutdown;
  545. ret = adsp_alloc_memory_region(adsp);
  546. if (ret)
  547. return ret;
  548. ret = adsp_init_clock(adsp, desc->clk_ids);
  549. if (ret)
  550. return ret;
  551. ret = qcom_rproc_pds_attach(adsp, desc->pd_names, desc->num_pds);
  552. if (ret < 0)
  553. return dev_err_probe(&pdev->dev, ret,
  554. "Failed to attach proxy power domains\n");
  555. ret = adsp_init_reset(adsp);
  556. if (ret)
  557. goto disable_pm;
  558. ret = adsp_init_mmio(adsp, pdev);
  559. if (ret)
  560. goto disable_pm;
  561. ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem,
  562. desc->load_state, qcom_adsp_pil_handover);
  563. if (ret)
  564. goto disable_pm;
  565. qcom_add_glink_subdev(rproc, &adsp->glink_subdev, desc->ssr_name);
  566. qcom_add_pdm_subdev(rproc, &adsp->pdm_subdev);
  567. qcom_add_ssr_subdev(rproc, &adsp->ssr_subdev, desc->ssr_name);
  568. adsp->sysmon = qcom_add_sysmon_subdev(rproc,
  569. desc->sysmon_name,
  570. desc->ssctl_id);
  571. if (IS_ERR(adsp->sysmon)) {
  572. ret = PTR_ERR(adsp->sysmon);
  573. goto deinit_remove_glink_pdm_ssr;
  574. }
  575. ret = rproc_add(rproc);
  576. if (ret)
  577. goto remove_sysmon;
  578. return 0;
  579. remove_sysmon:
  580. qcom_remove_sysmon_subdev(adsp->sysmon);
  581. deinit_remove_glink_pdm_ssr:
  582. qcom_q6v5_deinit(&adsp->q6v5);
  583. qcom_remove_glink_subdev(rproc, &adsp->glink_subdev);
  584. qcom_remove_pdm_subdev(rproc, &adsp->pdm_subdev);
  585. qcom_remove_ssr_subdev(rproc, &adsp->ssr_subdev);
  586. disable_pm:
  587. qcom_rproc_pds_detach(adsp);
  588. return ret;
  589. }
  590. static void adsp_remove(struct platform_device *pdev)
  591. {
  592. struct qcom_adsp *adsp = platform_get_drvdata(pdev);
  593. rproc_del(adsp->rproc);
  594. qcom_q6v5_deinit(&adsp->q6v5);
  595. qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev);
  596. qcom_remove_pdm_subdev(adsp->rproc, &adsp->pdm_subdev);
  597. qcom_remove_sysmon_subdev(adsp->sysmon);
  598. qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
  599. qcom_rproc_pds_detach(adsp);
  600. }
  601. static const struct adsp_pil_data adsp_resource_init = {
  602. .crash_reason_smem = 423,
  603. .firmware_name = "adsp.mdt",
  604. .ssr_name = "lpass",
  605. .sysmon_name = "adsp",
  606. .ssctl_id = 0x14,
  607. .is_wpss = false,
  608. .auto_boot = true,
  609. .clk_ids = (const char*[]) {
  610. "sway_cbcr", "lpass_ahbs_aon_cbcr", "lpass_ahbm_aon_cbcr",
  611. "qdsp6ss_xo", "qdsp6ss_sleep", "qdsp6ss_core", NULL
  612. },
  613. .num_clks = 7,
  614. .pd_names = (const char*[]) { "cx" },
  615. .num_pds = 1,
  616. };
  617. static const struct adsp_pil_data adsp_sc7280_resource_init = {
  618. .crash_reason_smem = 423,
  619. .firmware_name = "adsp.pbn",
  620. .load_state = "adsp",
  621. .ssr_name = "lpass",
  622. .sysmon_name = "adsp",
  623. .ssctl_id = 0x14,
  624. .has_iommu = true,
  625. .auto_boot = true,
  626. .clk_ids = (const char*[]) {
  627. "gcc_cfg_noc_lpass", NULL
  628. },
  629. .num_clks = 1,
  630. };
  631. static const struct adsp_pil_data cdsp_resource_init = {
  632. .crash_reason_smem = 601,
  633. .firmware_name = "cdsp.mdt",
  634. .ssr_name = "cdsp",
  635. .sysmon_name = "cdsp",
  636. .ssctl_id = 0x17,
  637. .is_wpss = false,
  638. .auto_boot = true,
  639. .clk_ids = (const char*[]) {
  640. "sway", "tbu", "bimc", "ahb_aon", "q6ss_slave", "q6ss_master",
  641. "q6_axim", NULL
  642. },
  643. .num_clks = 7,
  644. .pd_names = (const char*[]) { "cx" },
  645. .num_pds = 1,
  646. };
  647. static const struct adsp_pil_data wpss_resource_init = {
  648. .crash_reason_smem = 626,
  649. .firmware_name = "wpss.mdt",
  650. .ssr_name = "wpss",
  651. .sysmon_name = "wpss",
  652. .ssctl_id = 0x19,
  653. .is_wpss = true,
  654. .auto_boot = false,
  655. .load_state = "wpss",
  656. .clk_ids = (const char*[]) {
  657. "ahb_bdg", "ahb", "rscp", NULL
  658. },
  659. .num_clks = 3,
  660. .pd_names = (const char*[]) { "cx", "mx" },
  661. .num_pds = 2,
  662. };
  663. static const struct of_device_id adsp_of_match[] = {
  664. { .compatible = "qcom,qcs404-cdsp-pil", .data = &cdsp_resource_init },
  665. { .compatible = "qcom,sc7280-adsp-pil", .data = &adsp_sc7280_resource_init },
  666. { .compatible = "qcom,sc7280-wpss-pil", .data = &wpss_resource_init },
  667. { .compatible = "qcom,sdm845-adsp-pil", .data = &adsp_resource_init },
  668. { },
  669. };
  670. MODULE_DEVICE_TABLE(of, adsp_of_match);
  671. static struct platform_driver adsp_pil_driver = {
  672. .probe = adsp_probe,
  673. .remove = adsp_remove,
  674. .driver = {
  675. .name = "qcom_q6v5_adsp",
  676. .of_match_table = adsp_of_match,
  677. },
  678. };
  679. module_platform_driver(adsp_pil_driver);
  680. MODULE_DESCRIPTION("QTI SDM845 ADSP Peripheral Image Loader");
  681. MODULE_LICENSE("GPL v2");