100 static struct stm32_rng_instance *stm32_rng;  variable
104 	assert(stm32_rng);  in get_base()
106 	return io_pa_or_va(&stm32_rng->base, 1);  in get_base()
129 	struct stm32_rng_instance *dev = stm32_rng;  in conceal_seed_error_cond_reset()
209 	if (stm32_rng->ddata->has_cond_reset)  in conceal_seed_error()
217 	struct stm32_rng_instance *dev = stm32_rng;  in read_available()
266 	struct stm32_rng_instance *dev = stm32_rng;  in stm32_rng_clock_freq_restrain()
287 	TEE_Result res = clk_enable(stm32_rng->clock);  in enable_rng_clock()
289 	if (!res && stm32_rng->bus_clock) {  in enable_rng_clock()
290 		res = clk_enable(stm32_rng->bus_clock);  in enable_rng_clock()
292 			clk_disable(stm32_rng->clock);  in enable_rng_clock()
300 	clk_disable(stm32_rng->clock);  in disable_rng_clock()
301 	if (stm32_rng->bus_clock)  in disable_rng_clock()
302 		clk_disable(stm32_rng->bus_clock);  in disable_rng_clock()
316 	if (stm32_rng->rstctrl &&  in stm32_rng_init()
317 	    rstctrl_assert_to(stm32_rng->rstctrl, RNG_RESET_TIMEOUT_US)) {  in stm32_rng_init()
322 	if (stm32_rng->rstctrl &&  in stm32_rng_init()
323 	    rstctrl_deassert_to(stm32_rng->rstctrl, RNG_RESET_TIMEOUT_US)) {  in stm32_rng_init()
328 	if (!stm32_rng->clock_error)  in stm32_rng_init()
334 	if (stm32_rng->ddata->has_cond_reset) {  in stm32_rng_init()
341 		if (!stm32_rng->rng_config)  in stm32_rng_init()
342 			stm32_rng->rng_config = io_read32(rng_base + RNG_CR) &  in stm32_rng_init()
352 				stm32_rng->rng_config | RNG_CR_CONDRST |  in stm32_rng_init()
360 		if (stm32_rng->noise_ctrl_conf)  in stm32_rng_init()
362 				   stm32_rng->noise_ctrl_conf);  in stm32_rng_init()
364 		if (stm32_rng->health_test_conf)  in stm32_rng_init()
366 				   stm32_rng->health_test_conf);  in stm32_rng_init()
409 	if (!stm32_rng) {  in stm32_rng_read()
428 		exceptions = may_spin_lock(&stm32_rng->lock);  in stm32_rng_read()
437 		may_spin_unlock(&stm32_rng->lock, exceptions);  in stm32_rng_read()
466 	if (!stm32_rng) {  in plat_rng_init()
498 	if (stm32_rng->ddata->has_cond_reset) {  in stm32_rng_pm_resume()
507 		io_write32(base + RNG_CR, stm32_rng->pm_cr | RNG_CR_CONDRST);  in stm32_rng_pm_resume()
510 		io_write32(base + RNG_NSCR, stm32_rng->pm_noise_ctrl);  in stm32_rng_pm_resume()
511 		io_write32(base + RNG_HTCR, stm32_rng->pm_health);  in stm32_rng_pm_resume()
522 		io_write32(base + RNG_CR, RNG_CR_RNGEN | stm32_rng->pm_cr);  in stm32_rng_pm_resume()
532 	stm32_rng->pm_cr = io_read32(rng_base + RNG_CR);  in stm32_rng_pm_suspend()
534 	if (stm32_rng->ddata->has_cond_reset) {  in stm32_rng_pm_suspend()
535 		stm32_rng->pm_health = io_read32(rng_base + RNG_HTCR);  in stm32_rng_pm_suspend()
536 		stm32_rng->pm_noise_ctrl = io_read32(rng_base + RNG_NSCR);  in stm32_rng_pm_suspend()
539 	if (stm32_rng->ddata->has_power_optim) {  in stm32_rng_pm_suspend()
569 	assert(stm32_rng && (op == PM_OP_SUSPEND || op == PM_OP_RESUME));  in stm32_rng_pm()
595 	stm32_rng->base.pa = dt_rng.reg;  in stm32_rng_parse_fdt()
596 	stm32_rng->base.va = io_pa_or_va_secure(&stm32_rng->base,  in stm32_rng_parse_fdt()
598 	assert(stm32_rng->base.va);  in stm32_rng_parse_fdt()
600 	res = rstctrl_dt_get_by_index(fdt, node, 0, &stm32_rng->rstctrl);  in stm32_rng_parse_fdt()
604 	if (stm32_rng->ddata->nb_clock > 1) {  in stm32_rng_parse_fdt()
606 					 &stm32_rng->clock);  in stm32_rng_parse_fdt()
611 					 &stm32_rng->bus_clock);  in stm32_rng_parse_fdt()
615 		res = clk_dt_get_by_index(fdt, node, 0, &stm32_rng->clock);  in stm32_rng_parse_fdt()
621 		stm32_rng->clock_error = true;  in stm32_rng_parse_fdt()
623 	stm32_rng->rng_config = stm32_rng->ddata->cr;  in stm32_rng_parse_fdt()
624 	if (stm32_rng->rng_config & ~RNG_CR_ENTROPY_SRC_MASK)  in stm32_rng_parse_fdt()
626 	stm32_rng->health_test_conf = stm32_rng->ddata->htcr;  in stm32_rng_parse_fdt()
627 	stm32_rng->noise_ctrl_conf = stm32_rng->ddata->nscr;  in stm32_rng_parse_fdt()
628 	if (stm32_rng->noise_ctrl_conf & ~RNG_NSCR_MASK)  in stm32_rng_parse_fdt()
641 	assert(!stm32_rng);  in stm32_rng_probe()
643 	stm32_rng = calloc(1, sizeof(*stm32_rng));  in stm32_rng_probe()
644 	if (!stm32_rng)  in stm32_rng_probe()
647 	stm32_rng->ddata = compat_data;  in stm32_rng_probe()
648 	assert(stm32_rng->ddata);  in stm32_rng_probe()
670 	assert(stm32_rng->ddata->has_power_optim ==  in stm32_rng_probe()
671 	       stm32_rng->ddata->has_cond_reset);  in stm32_rng_probe()
674 		register_pm_core_service_cb(stm32_rng_pm, &stm32_rng,  in stm32_rng_probe()
680 	free(stm32_rng);  in stm32_rng_probe()
681 	stm32_rng = NULL;  in stm32_rng_probe()
735 	if (stm32_rng && IS_ENABLED(CFG_WITH_SOFTWARE_PRNG)) {  in stm32_rng_release()
737 		free(stm32_rng);  in stm32_rng_release()
738 		stm32_rng = NULL;  in stm32_rng_release()