73 static struct stm32_rng_instance stm32_rng;  variable
80 	mmio_clrbits_32(stm32_rng.base + RNG_SR, RNG_SR_SEIS);  in seed_error_recovery()
86 		(void)mmio_read_32(stm32_rng.base + RNG_DR);  in seed_error_recovery()
92 	if ((mmio_read_32(stm32_rng.base + RNG_SR) & RNG_SR_SEIS) != 0U) {  in seed_error_recovery()
103 	clock_rate = clk_get_rate(stm32_rng.clock);  in stm32_rng_clock_freq_restrain()
114 	VERBOSE("RNG clk rate : %lu\n", clk_get_rate(stm32_rng.clock) >> clock_div);  in stm32_rng_clock_freq_restrain()
126 	mmio_write_32(stm32_rng.base + RNG_CR, RNG_CR_RNGEN | RNG_CR_CED);  in stm32_rng_enable()
133 	mmio_clrsetbits_32(stm32_rng.base + RNG_CR, RNG_NIST_CONFIG_MASK,  in stm32_rng_enable()
136 	mmio_clrsetbits_32(stm32_rng.base + RNG_CR, RNG_CR_CLKDIV,  in stm32_rng_enable()
139 	mmio_write_32(stm32_rng.base + RNG_HTCR, RNG_HTCFG_CONFIG);  in stm32_rng_enable()
141 	mmio_clrsetbits_32(stm32_rng.base + RNG_CR, RNG_CR_CONDRST, RNG_CR_RNGEN);  in stm32_rng_enable()
144 	sr = mmio_read_32(stm32_rng.base + RNG_SR);  in stm32_rng_enable()
157 		sr = mmio_read_32(stm32_rng.base + RNG_SR);  in stm32_rng_enable()
168 	uint32_t status = mmio_read_32(stm32_rng.base + RNG_SR);  in check_data_validity()
184 			status = mmio_read_32(stm32_rng.base + RNG_SR);  in check_data_validity()
205 	if (stm32_rng.base == 0U) {  in stm32_rng_read()
217 			if ((mmio_read_32(stm32_rng.base + RNG_SR) & RNG_SR_DRDY) == 0U) {  in stm32_rng_read()
221 			data32 = mmio_read_32(stm32_rng.base + RNG_DR);  in stm32_rng_read()
229 				data32 = mmio_read_32(stm32_rng.base + RNG_DR);  in stm32_rng_read()
258 	if ((stm32_rng.base == 0U) || (stm32_rng.clock == 0U)) {  in stm32_rng_select()
260 		stm32_rng.base = rng_base;  in stm32_rng_select()
276 	if (stm32_rng.base != 0U) {  in stm32_rng_init()
277 		if (stm32_rng.clock != 0U) {  in stm32_rng_init()
282 		rng.base = stm32_rng.base;  in stm32_rng_init()
307 		stm32_rng.base = dt_rng.base;  in stm32_rng_init()
313 		stm32_rng.clock = (unsigned long)dt_rng.clock;  in stm32_rng_init()
314 		clk_enable(stm32_rng.clock);  in stm32_rng_init()
316 		if (stm32_rng.base == rng.base) {  in stm32_rng_init()
318 			rng.clock = stm32_rng.clock;  in stm32_rng_init()
349 			stm32_rng = rng;  in stm32_rng_init()