Lines Matching refs:ddata
58 struct sysc *ddata; member
160 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
162 static int sysc_reset(struct sysc *ddata);
164 static void sysc_write(struct sysc *ddata, int offset, u32 value) in sysc_write() argument
166 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
167 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
170 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
171 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
174 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
180 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
183 static u32 sysc_read(struct sysc *ddata, int offset) in sysc_read() argument
185 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
188 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
191 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
192 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
193 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
201 return readl_relaxed(ddata->module_va + offset); in sysc_read()
204 static bool sysc_opt_clks_needed(struct sysc *ddata) in sysc_opt_clks_needed() argument
206 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
209 static u32 sysc_read_revision(struct sysc *ddata) in sysc_read_revision() argument
211 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
216 return sysc_read(ddata, offset); in sysc_read_revision()
219 static u32 sysc_read_sysconfig(struct sysc *ddata) in sysc_read_sysconfig() argument
221 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
226 return sysc_read(ddata, offset); in sysc_read_sysconfig()
229 static u32 sysc_read_sysstatus(struct sysc *ddata) in sysc_read_sysstatus() argument
231 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
236 return sysc_read(ddata, offset); in sysc_read_sysstatus()
239 static int sysc_poll_reset_sysstatus(struct sysc *ddata) in sysc_poll_reset_sysstatus() argument
244 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
247 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
250 error = readx_poll_timeout_atomic(sysc_read_sysstatus, ddata, in sysc_poll_reset_sysstatus()
251 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
256 rstval = sysc_read_sysstatus(ddata); in sysc_poll_reset_sysstatus()
257 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
267 static int sysc_poll_reset_sysconfig(struct sysc *ddata) in sysc_poll_reset_sysconfig() argument
272 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
275 error = readx_poll_timeout_atomic(sysc_read_sysconfig, ddata, in sysc_poll_reset_sysconfig()
281 rstval = sysc_read_sysconfig(ddata); in sysc_poll_reset_sysconfig()
293 static int sysc_wait_softreset(struct sysc *ddata) in sysc_wait_softreset() argument
297 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
300 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
303 error = sysc_poll_reset_sysstatus(ddata); in sysc_wait_softreset()
304 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
305 error = sysc_poll_reset_sysconfig(ddata); in sysc_wait_softreset()
310 static int sysc_add_named_clock_from_child(struct sysc *ddata, in sysc_add_named_clock_from_child() argument
314 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
337 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
351 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
360 static int sysc_init_ext_opt_clock(struct sysc *ddata, const char *name) in sysc_init_ext_opt_clock() argument
365 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
368 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
375 error = sysc_add_named_clock_from_child(ddata, name, optfck_name); in sysc_init_ext_opt_clock()
379 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
380 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
385 static int sysc_get_one_clock(struct sysc *ddata, const char *name) in sysc_get_one_clock() argument
396 if (!ddata->clocks[i]) { in sysc_get_one_clock()
404 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
408 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
409 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
410 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
411 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
413 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
416 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
418 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
427 static int sysc_get_clocks(struct sysc *ddata) in sysc_get_clocks() argument
429 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
434 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
436 sizeof(*ddata->clock_roles), in sysc_get_clocks()
438 if (!ddata->clock_roles) in sysc_get_clocks()
446 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
447 ddata->nr_clocks++; in sysc_get_clocks()
450 if (ddata->nr_clocks < 1) in sysc_get_clocks()
453 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
454 error = sysc_init_ext_opt_clock(ddata, NULL); in sysc_get_clocks()
459 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
460 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
466 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
473 ddata->nr_clocks++; in sysc_get_clocks()
475 ddata->nr_clocks++; in sysc_get_clocks()
477 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
478 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
480 if (!ddata->clocks) in sysc_get_clocks()
484 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
489 error = sysc_get_one_clock(ddata, name); in sysc_get_clocks()
497 static int sysc_enable_main_clocks(struct sysc *ddata) in sysc_enable_main_clocks() argument
502 if (!ddata->clocks) in sysc_enable_main_clocks()
506 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
521 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
533 static void sysc_disable_main_clocks(struct sysc *ddata) in sysc_disable_main_clocks() argument
538 if (!ddata->clocks) in sysc_disable_main_clocks()
542 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
550 static int sysc_enable_opt_clocks(struct sysc *ddata) in sysc_enable_opt_clocks() argument
555 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
559 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
574 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
584 static void sysc_disable_opt_clocks(struct sysc *ddata) in sysc_disable_opt_clocks() argument
589 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
593 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
603 static void sysc_clkdm_deny_idle(struct sysc *ddata) in sysc_clkdm_deny_idle() argument
607 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
610 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
612 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
615 static void sysc_clkdm_allow_idle(struct sysc *ddata) in sysc_clkdm_allow_idle() argument
619 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
622 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
624 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
633 static int sysc_init_resets(struct sysc *ddata) in sysc_init_resets() argument
635 ddata->rsts = in sysc_init_resets()
636 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
638 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
650 static int sysc_parse_and_check_child_range(struct sysc *ddata) in sysc_parse_and_check_child_range() argument
652 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
662 ddata->module_pa = range.cpu_addr; in sysc_parse_and_check_child_range()
663 ddata->module_size = range.size; in sysc_parse_and_check_child_range()
692 static int sysc_defer_non_critical(struct sysc *ddata) in sysc_defer_non_critical() argument
702 if (ddata->module_pa >= res->start && in sysc_defer_non_critical()
703 ddata->module_pa <= res->end) { in sysc_defer_non_critical()
717 static void sysc_init_stdout_path(struct sysc *ddata) in sysc_init_stdout_path() argument
748 static void sysc_check_quirk_stdout(struct sysc *ddata, in sysc_check_quirk_stdout() argument
751 sysc_init_stdout_path(ddata); in sysc_check_quirk_stdout()
755 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
768 static void sysc_check_one_child(struct sysc *ddata, in sysc_check_one_child() argument
775 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
777 sysc_check_quirk_stdout(ddata, np); in sysc_check_one_child()
778 sysc_parse_dts_quirks(ddata, np, true); in sysc_check_one_child()
781 static void sysc_check_children(struct sysc *ddata) in sysc_check_children() argument
785 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
786 sysc_check_one_child(ddata, child); in sysc_check_children()
795 static void sysc_check_quirk_16bit(struct sysc *ddata, struct resource *res) in sysc_check_quirk_16bit() argument
798 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
806 static int sysc_parse_one(struct sysc *ddata, enum sysc_registers reg) in sysc_parse_one() argument
821 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
824 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
829 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
831 sysc_check_quirk_16bit(ddata, res); in sysc_parse_one()
836 static int sysc_parse_registers(struct sysc *ddata) in sysc_parse_registers() argument
841 error = sysc_parse_one(ddata, i); in sysc_parse_registers()
853 static int sysc_check_registers(struct sysc *ddata) in sysc_check_registers() argument
858 if (ddata->offsets[i] < 0) in sysc_check_registers()
861 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
862 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
868 if (ddata->offsets[j] < 0) in sysc_check_registers()
871 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
878 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
898 static int sysc_ioremap(struct sysc *ddata) in sysc_ioremap() argument
902 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
903 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
904 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
905 size = ddata->module_size; in sysc_ioremap()
907 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
908 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
909 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
914 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
915 size = ddata->module_size; in sysc_ioremap()
918 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
919 ddata->module_pa, in sysc_ioremap()
921 if (!ddata->module_va) in sysc_ioremap()
931 static int sysc_map_and_check_registers(struct sysc *ddata) in sysc_map_and_check_registers() argument
933 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
936 error = sysc_parse_and_check_child_range(ddata); in sysc_map_and_check_registers()
940 error = sysc_defer_non_critical(ddata); in sysc_map_and_check_registers()
944 sysc_check_children(ddata); in sysc_map_and_check_registers()
949 error = sysc_parse_registers(ddata); in sysc_map_and_check_registers()
953 error = sysc_ioremap(ddata); in sysc_map_and_check_registers()
957 error = sysc_check_registers(ddata); in sysc_map_and_check_registers()
969 static int sysc_show_rev(char *bufp, struct sysc *ddata) in sysc_show_rev() argument
973 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
976 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
981 static int sysc_show_reg(struct sysc *ddata, in sysc_show_reg() argument
984 if (ddata->offsets[reg] < 0) in sysc_show_reg()
987 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
990 static int sysc_show_name(char *bufp, struct sysc *ddata) in sysc_show_name() argument
992 if (!ddata->name) in sysc_show_name()
995 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
1002 static void sysc_show_registers(struct sysc *ddata) in sysc_show_registers() argument
1009 bufp += sysc_show_reg(ddata, bufp, i); in sysc_show_registers()
1011 bufp += sysc_show_rev(bufp, ddata); in sysc_show_registers()
1012 bufp += sysc_show_name(bufp, ddata); in sysc_show_registers()
1014 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
1015 ddata->module_pa, ddata->module_size, in sysc_show_registers()
1024 static void sysc_write_sysconfig(struct sysc *ddata, u32 value) in sysc_write_sysconfig() argument
1026 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
1027 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
1029 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
1031 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
1032 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1041 struct sysc *ddata; in sysc_enable_module() local
1046 ddata = dev_get_drvdata(dev); in sysc_enable_module()
1052 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1053 error = sysc_enable_opt_clocks(ddata); in sysc_enable_module()
1055 dev_err(ddata->dev, in sysc_enable_module()
1065 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1066 error = sysc_wait_softreset(ddata); in sysc_enable_module()
1068 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1070 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1071 sysc_disable_opt_clocks(ddata); in sysc_enable_module()
1078 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1081 regbits = ddata->cap->regbits; in sysc_enable_module()
1082 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1090 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1094 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1098 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1104 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1107 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1115 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1121 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1125 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1129 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1136 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1141 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1146 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1148 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1155 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1157 if (ddata->module_enable_quirk) in sysc_enable_module()
1158 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1180 struct sysc *ddata; in sysc_disable_module() local
1185 ddata = dev_get_drvdata(dev); in sysc_disable_module()
1186 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1189 if (ddata->module_disable_quirk) in sysc_disable_module()
1190 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1192 regbits = ddata->cap->regbits; in sysc_disable_module()
1193 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1196 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1206 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1207 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1212 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1216 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1222 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1233 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1236 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1243 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1245 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1251 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1257 struct sysc *ddata) in sysc_runtime_suspend_legacy() argument
1262 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1269 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1274 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1280 struct sysc *ddata) in sysc_runtime_resume_legacy() argument
1285 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1292 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1297 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1304 struct sysc *ddata; in sysc_runtime_suspend() local
1307 ddata = dev_get_drvdata(dev); in sysc_runtime_suspend()
1309 if (!ddata->enabled) in sysc_runtime_suspend()
1312 sysc_clkdm_deny_idle(ddata); in sysc_runtime_suspend()
1314 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1315 error = sysc_runtime_suspend_legacy(dev, ddata); in sysc_runtime_suspend()
1324 sysc_disable_main_clocks(ddata); in sysc_runtime_suspend()
1326 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_suspend()
1327 sysc_disable_opt_clocks(ddata); in sysc_runtime_suspend()
1329 ddata->enabled = false; in sysc_runtime_suspend()
1332 sysc_clkdm_allow_idle(ddata); in sysc_runtime_suspend()
1334 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1341 struct sysc *ddata; in sysc_runtime_resume() local
1344 ddata = dev_get_drvdata(dev); in sysc_runtime_resume()
1346 if (ddata->enabled) in sysc_runtime_resume()
1350 sysc_clkdm_deny_idle(ddata); in sysc_runtime_resume()
1352 if (sysc_opt_clks_needed(ddata)) { in sysc_runtime_resume()
1353 error = sysc_enable_opt_clocks(ddata); in sysc_runtime_resume()
1358 error = sysc_enable_main_clocks(ddata); in sysc_runtime_resume()
1362 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1364 if (ddata->legacy_mode) { in sysc_runtime_resume()
1365 error = sysc_runtime_resume_legacy(dev, ddata); in sysc_runtime_resume()
1374 ddata->enabled = true; in sysc_runtime_resume()
1376 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1381 sysc_disable_main_clocks(ddata); in sysc_runtime_resume()
1383 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_resume()
1384 sysc_disable_opt_clocks(ddata); in sysc_runtime_resume()
1386 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1399 static int sysc_check_context(struct sysc *ddata) in sysc_check_context() argument
1403 if (!ddata->enabled) in sysc_check_context()
1406 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_check_context()
1407 if (reg == ddata->sysconfig) in sysc_check_context()
1413 static int sysc_reinit_module(struct sysc *ddata, bool leave_enabled) in sysc_reinit_module() argument
1415 struct device *dev = ddata->dev; in sysc_reinit_module()
1418 if (ddata->enabled) { in sysc_reinit_module()
1420 error = sysc_check_context(ddata); in sysc_reinit_module()
1436 if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) { in sysc_reinit_module()
1437 error = sysc_reset(ddata); in sysc_reinit_module()
1441 sysc_write_sysconfig(ddata, ddata->sysconfig); in sysc_reinit_module()
1457 struct sysc *ddata; in sysc_noirq_suspend() local
1459 ddata = dev_get_drvdata(dev); in sysc_noirq_suspend()
1461 if (ddata->cfg.quirks & in sysc_noirq_suspend()
1465 if (!ddata->enabled) in sysc_noirq_suspend()
1468 ddata->needs_resume = 1; in sysc_noirq_suspend()
1475 struct sysc *ddata; in sysc_noirq_resume() local
1478 ddata = dev_get_drvdata(dev); in sysc_noirq_resume()
1480 if (ddata->cfg.quirks & in sysc_noirq_resume()
1484 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1485 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1488 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1494 ddata->needs_resume = 0; in sysc_noirq_resume()
1709 static void sysc_init_early_quirks(struct sysc *ddata) in sysc_init_early_quirks() argument
1720 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1723 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1726 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1729 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1732 ddata->name = q->name; in sysc_init_early_quirks()
1733 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1738 static void sysc_init_revision_quirks(struct sysc *ddata) in sysc_init_revision_quirks() argument
1746 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1749 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1752 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1755 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1758 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1760 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1761 ddata->name = q->name; in sysc_init_revision_quirks()
1762 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1772 static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, in sysc_quirk_dispc() argument
1803 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1804 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1805 ddata->module_pa, in sysc_quirk_dispc()
1806 ddata->module_size); in sysc_quirk_dispc()
1807 if (!ddata->module_va) in sysc_quirk_dispc()
1811 val = sysc_read(ddata, dispc_offset + 0x40); in sysc_quirk_dispc()
1823 sysc_write(ddata, dispc_offset + 0x40, in sysc_quirk_dispc()
1830 val = sysc_read(ddata, dispc_offset + 0x238); in sysc_quirk_dispc()
1835 sysc_write(ddata, dispc_offset + 0x238, in sysc_quirk_dispc()
1842 val = sysc_read(ddata, dispc_offset + 0x848); in sysc_quirk_dispc()
1847 sysc_write(ddata, dispc_offset + 0x848, in sysc_quirk_dispc()
1854 static void sysc_pre_reset_quirk_dss(struct sysc *ddata) in sysc_pre_reset_quirk_dss() argument
1861 irq_mask = sysc_quirk_dispc(ddata, dispc_offset, false); in sysc_pre_reset_quirk_dss()
1866 sysc_write(ddata, dispc_offset + 0x18, irq_mask); in sysc_pre_reset_quirk_dss()
1869 val = sysc_quirk_dispc(ddata, dispc_offset, true); in sysc_pre_reset_quirk_dss()
1872 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1875 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1880 sysc_write(ddata, 0x44, 0); in sysc_pre_reset_quirk_dss()
1883 sysc_write(ddata, 0x48, 0); in sysc_pre_reset_quirk_dss()
1887 sysc_write(ddata, 0x40, 0); in sysc_pre_reset_quirk_dss()
1891 static void sysc_pre_reset_quirk_hdq1w(struct sysc *ddata) in sysc_pre_reset_quirk_hdq1w() argument
1896 val = sysc_read(ddata, offset); in sysc_pre_reset_quirk_hdq1w()
1898 sysc_write(ddata, offset, val); in sysc_pre_reset_quirk_hdq1w()
1902 static void sysc_module_enable_quirk_aess(struct sysc *ddata) in sysc_module_enable_quirk_aess() argument
1906 sysc_write(ddata, offset, 1); in sysc_module_enable_quirk_aess()
1910 static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable) in sysc_clk_quirk_i2c() argument
1916 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1922 val = sysc_read(ddata, offset); in sysc_clk_quirk_i2c()
1927 sysc_write(ddata, offset, val); in sysc_clk_quirk_i2c()
1930 static void sysc_pre_reset_quirk_i2c(struct sysc *ddata) in sysc_pre_reset_quirk_i2c() argument
1932 sysc_clk_quirk_i2c(ddata, false); in sysc_pre_reset_quirk_i2c()
1935 static void sysc_post_reset_quirk_i2c(struct sysc *ddata) in sysc_post_reset_quirk_i2c() argument
1937 sysc_clk_quirk_i2c(ddata, true); in sysc_post_reset_quirk_i2c()
1941 static void sysc_quirk_rtc(struct sysc *ddata, bool lock) in sysc_quirk_rtc() argument
1954 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1957 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1959 sysc_write(ddata, 0x6c, kick0_val); in sysc_quirk_rtc()
1960 sysc_write(ddata, 0x70, kick1_val); in sysc_quirk_rtc()
1964 static void sysc_module_unlock_quirk_rtc(struct sysc *ddata) in sysc_module_unlock_quirk_rtc() argument
1966 sysc_quirk_rtc(ddata, false); in sysc_module_unlock_quirk_rtc()
1969 static void sysc_module_lock_quirk_rtc(struct sysc *ddata) in sysc_module_lock_quirk_rtc() argument
1971 sysc_quirk_rtc(ddata, true); in sysc_module_lock_quirk_rtc()
1975 static void sysc_module_enable_quirk_otg(struct sysc *ddata) in sysc_module_enable_quirk_otg() argument
1979 sysc_write(ddata, offset, 0); in sysc_module_enable_quirk_otg()
1982 static void sysc_module_disable_quirk_otg(struct sysc *ddata) in sysc_module_disable_quirk_otg() argument
1987 sysc_write(ddata, offset, val); in sysc_module_disable_quirk_otg()
1991 static void sysc_module_enable_quirk_sgx(struct sysc *ddata) in sysc_module_enable_quirk_sgx() argument
1996 sysc_write(ddata, offset, val); in sysc_module_enable_quirk_sgx()
2000 static void sysc_reset_done_quirk_wdt(struct sysc *ddata) in sysc_reset_done_quirk_wdt() argument
2008 sysc_write(ddata, spr, 0xaaaa); in sysc_reset_done_quirk_wdt()
2009 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
2013 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
2015 sysc_write(ddata, spr, 0x5555); in sysc_reset_done_quirk_wdt()
2016 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
2020 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
2024 static void sysc_module_disable_quirk_pruss(struct sysc *ddata) in sysc_module_disable_quirk_pruss() argument
2028 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
2030 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
2033 static void sysc_init_module_quirks(struct sysc *ddata) in sysc_init_module_quirks() argument
2035 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
2038 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
2039 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
2045 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
2046 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
2052 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
2053 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
2054 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
2059 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2060 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2062 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2063 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2065 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2066 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2067 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2072 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) { in sysc_init_module_quirks()
2073 ddata->module_enable_quirk = sysc_module_enable_quirk_otg; in sysc_init_module_quirks()
2074 ddata->module_disable_quirk = sysc_module_disable_quirk_otg; in sysc_init_module_quirks()
2077 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2078 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2080 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2081 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2082 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2085 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
2086 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2089 static int sysc_clockdomain_init(struct sysc *ddata) in sysc_clockdomain_init() argument
2091 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2098 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2100 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2103 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2109 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2121 static int sysc_legacy_init(struct sysc *ddata) in sysc_legacy_init() argument
2123 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2129 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2140 static int sysc_reset(struct sysc *ddata) in sysc_reset() argument
2145 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2147 if (ddata->legacy_mode || in sysc_reset()
2148 ddata->cap->regbits->srst_shift < 0 || in sysc_reset()
2149 ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) in sysc_reset()
2152 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2154 if (ddata->pre_reset_quirk) in sysc_reset()
2155 ddata->pre_reset_quirk(ddata); in sysc_reset()
2158 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2160 sysc_write(ddata, sysc_offset, sysc_val); in sysc_reset()
2162 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2165 if (ddata->cfg.srst_udelay) in sysc_reset()
2166 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2168 if (ddata->post_reset_quirk) in sysc_reset()
2169 ddata->post_reset_quirk(ddata); in sysc_reset()
2171 error = sysc_wait_softreset(ddata); in sysc_reset()
2173 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2175 if (ddata->reset_done_quirk) in sysc_reset()
2176 ddata->reset_done_quirk(ddata); in sysc_reset()
2187 static int sysc_init_module(struct sysc *ddata) in sysc_init_module() argument
2192 error = sysc_clockdomain_init(ddata); in sysc_init_module()
2196 sysc_clkdm_deny_idle(ddata); in sysc_init_module()
2202 error = sysc_enable_opt_clocks(ddata); in sysc_init_module()
2206 error = sysc_enable_main_clocks(ddata); in sysc_init_module()
2210 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2211 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2217 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2218 sysc_init_revision_quirks(ddata); in sysc_init_module()
2219 sysc_init_module_quirks(ddata); in sysc_init_module()
2221 if (ddata->legacy_mode) { in sysc_init_module()
2222 error = sysc_legacy_init(ddata); in sysc_init_module()
2227 if (!ddata->legacy_mode) { in sysc_init_module()
2228 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2233 error = sysc_reset(ddata); in sysc_init_module()
2235 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2237 if (error && !ddata->legacy_mode) in sysc_init_module()
2238 sysc_disable_module(ddata->dev); in sysc_init_module()
2242 sysc_disable_main_clocks(ddata); in sysc_init_module()
2246 sysc_disable_opt_clocks(ddata); in sysc_init_module()
2247 sysc_clkdm_allow_idle(ddata); in sysc_init_module()
2251 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2252 reset_control_assert(ddata->rsts); in sysc_init_module()
2257 static int sysc_init_sysc_mask(struct sysc *ddata) in sysc_init_sysc_mask() argument
2259 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2267 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2272 static int sysc_init_idlemode(struct sysc *ddata, u8 *idlemodes, in sysc_init_idlemode() argument
2275 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2282 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2291 static int sysc_init_idlemodes(struct sysc *ddata) in sysc_init_idlemodes() argument
2295 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2300 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2315 static int sysc_init_syss_mask(struct sysc *ddata) in sysc_init_syss_mask() argument
2317 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2323 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2324 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2325 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2326 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2331 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2332 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2334 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2343 static int sysc_child_add_named_clock(struct sysc *ddata, in sysc_child_add_named_clock() argument
2360 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2373 static int sysc_child_add_clocks(struct sysc *ddata, in sysc_child_add_clocks() argument
2378 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2379 error = sysc_child_add_named_clock(ddata, in sysc_child_add_clocks()
2381 ddata->clock_roles[i]); in sysc_child_add_clocks()
2383 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2384 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2408 struct sysc *ddata; in sysc_child_runtime_suspend() local
2411 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_suspend()
2417 if (!ddata->enabled) in sysc_child_runtime_suspend()
2420 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2425 struct sysc *ddata; in sysc_child_runtime_resume() local
2428 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_resume()
2430 if (!ddata->enabled) { in sysc_child_runtime_resume()
2431 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2433 dev_err(ddata->dev, in sysc_child_runtime_resume()
2443 struct sysc *ddata; in sysc_child_suspend_noirq() local
2446 ddata = sysc_child_to_parent(dev); in sysc_child_suspend_noirq()
2448 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_suspend_noirq()
2449 ddata->name ? ddata->name : ""); in sysc_child_suspend_noirq()
2468 error = sysc_runtime_suspend(ddata->dev); in sysc_child_suspend_noirq()
2476 ddata->child_needs_resume = true; in sysc_child_suspend_noirq()
2484 struct sysc *ddata; in sysc_child_resume_noirq() local
2487 ddata = sysc_child_to_parent(dev); in sysc_child_resume_noirq()
2489 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_resume_noirq()
2490 ddata->name ? ddata->name : ""); in sysc_child_resume_noirq()
2492 if (ddata->child_needs_resume) { in sysc_child_resume_noirq()
2493 ddata->child_needs_resume = false; in sysc_child_resume_noirq()
2495 error = sysc_runtime_resume(ddata->dev); in sysc_child_resume_noirq()
2497 dev_err(ddata->dev, in sysc_child_resume_noirq()
2503 dev_err(ddata->dev, in sysc_child_resume_noirq()
2527 struct sysc *ddata; in sysc_reinit_modules() local
2530 ddata = module->ddata; in sysc_reinit_modules()
2531 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2569 static void sysc_add_restored(struct sysc *ddata) in sysc_add_restored() argument
2577 restored_module->ddata = ddata; in sysc_add_restored()
2606 static void sysc_legacy_idle_quirk(struct sysc *ddata, struct device *child) in sysc_legacy_idle_quirk() argument
2608 if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) in sysc_legacy_idle_quirk()
2616 struct sysc *ddata; in sysc_notifier_call() local
2619 ddata = sysc_child_to_parent(dev); in sysc_notifier_call()
2620 if (!ddata) in sysc_notifier_call()
2625 error = sysc_child_add_clocks(ddata, dev); in sysc_notifier_call()
2628 sysc_legacy_idle_quirk(ddata, dev); in sysc_notifier_call()
2656 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np, in sysc_parse_dts_quirks() argument
2669 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2671 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2678 static int sysc_init_dts_quirks(struct sysc *ddata) in sysc_init_dts_quirks() argument
2680 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2684 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2686 sysc_parse_dts_quirks(ddata, np, false); in sysc_init_dts_quirks()
2690 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2694 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2700 static void sysc_unprepare(struct sysc *ddata) in sysc_unprepare() argument
2704 if (!ddata->clocks) in sysc_unprepare()
2708 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2709 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2960 static int sysc_init_pdata(struct sysc *ddata) in sysc_init_pdata() argument
2962 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2968 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2972 if (ddata->legacy_mode) { in sysc_init_pdata()
2973 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2974 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2975 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2976 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2978 mdata->cap = ddata->cap; in sysc_init_pdata()
2979 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2982 ddata->mdata = mdata; in sysc_init_pdata()
2987 static int sysc_init_match(struct sysc *ddata) in sysc_init_match() argument
2991 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2995 ddata->cap = cap; in sysc_init_match()
2996 if (ddata->cap) in sysc_init_match()
2997 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
3004 struct sysc *ddata; in ti_sysc_idle() local
3006 ddata = container_of(work, struct sysc, idle_work.work); in ti_sysc_idle()
3014 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
3016 sysc_disable_main_clocks(ddata); in ti_sysc_idle()
3017 sysc_disable_opt_clocks(ddata); in ti_sysc_idle()
3018 sysc_clkdm_allow_idle(ddata); in ti_sysc_idle()
3022 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
3029 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
3030 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
3100 static int sysc_init_static_data(struct sysc *ddata) in sysc_init_static_data() argument
3119 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3207 static int sysc_check_disabled_devices(struct sysc *ddata) in sysc_check_disabled_devices() argument
3214 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3215 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3230 static int sysc_check_active_timer(struct sysc *ddata) in sysc_check_active_timer() argument
3234 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3235 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3250 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3251 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3265 struct sysc *ddata; in sysc_probe() local
3268 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3269 if (!ddata) in sysc_probe()
3272 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3273 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3274 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3275 ddata->dev = &pdev->dev; in sysc_probe()
3276 platform_set_drvdata(pdev, ddata); in sysc_probe()
3278 error = sysc_init_static_data(ddata); in sysc_probe()
3282 error = sysc_init_match(ddata); in sysc_probe()
3286 error = sysc_init_dts_quirks(ddata); in sysc_probe()
3290 error = sysc_map_and_check_registers(ddata); in sysc_probe()
3294 error = sysc_init_sysc_mask(ddata); in sysc_probe()
3298 error = sysc_init_idlemodes(ddata); in sysc_probe()
3302 error = sysc_init_syss_mask(ddata); in sysc_probe()
3306 error = sysc_init_pdata(ddata); in sysc_probe()
3310 sysc_init_early_quirks(ddata); in sysc_probe()
3312 error = sysc_check_disabled_devices(ddata); in sysc_probe()
3316 error = sysc_check_active_timer(ddata); in sysc_probe()
3318 ddata->reserved = true; in sysc_probe()
3322 error = sysc_get_clocks(ddata); in sysc_probe()
3326 error = sysc_init_resets(ddata); in sysc_probe()
3330 error = sysc_init_module(ddata); in sysc_probe()
3334 pm_runtime_enable(ddata->dev); in sysc_probe()
3335 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3337 pm_runtime_disable(ddata->dev); in sysc_probe()
3342 if (!(ddata->cfg.quirks & in sysc_probe()
3344 sysc_disable_main_clocks(ddata); in sysc_probe()
3345 sysc_disable_opt_clocks(ddata); in sysc_probe()
3346 sysc_clkdm_allow_idle(ddata); in sysc_probe()
3349 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3350 reset_control_assert(ddata->rsts); in sysc_probe()
3352 sysc_show_registers(ddata); in sysc_probe()
3354 ddata->dev->type = &sysc_device_type; in sysc_probe()
3356 if (!ddata->reserved) { in sysc_probe()
3357 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3360 ddata->dev); in sysc_probe()
3365 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3368 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3371 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3376 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3377 sysc_add_restored(ddata); in sysc_probe()
3385 sysc_unprepare(ddata); in sysc_probe()
3392 struct sysc *ddata = platform_get_drvdata(pdev); in sysc_remove() local
3396 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3397 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3399 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3401 pm_runtime_disable(ddata->dev); in sysc_remove()
3410 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3411 reset_control_assert(ddata->rsts); in sysc_remove()
3414 sysc_unprepare(ddata); in sysc_remove()