74 static vaddr_t rng;  variable
79 	while (!(io_read32(rng + RNG_STATUS) & RNG_READY)) {  in dra7_rng_read64()
81 		if (io_read32(rng + RNG_STATUS) & SHUTDOWN_OFLO) {  in dra7_rng_read64()
82 			uint32_t alarm = io_read32(rng + RNG_ALARMSTOP);  in dra7_rng_read64()
83 			uint32_t tune = io_read32(rng + RNG_FRODETUNE);  in dra7_rng_read64()
86 			io_write32(rng + RNG_ALARMMASK, 0x0);  in dra7_rng_read64()
87 			io_write32(rng + RNG_ALARMSTOP, 0x0);  in dra7_rng_read64()
89 			io_write32(rng + RNG_FRODETUNE, tune ^ alarm);  in dra7_rng_read64()
91 			io_write32(rng + RNG_FROENABLE, RNG_FRO_MASK);  in dra7_rng_read64()
93 			io_write32(rng + RNG_INTACK, SHUTDOWN_OFLO);  in dra7_rng_read64()
99 	*low_word = io_read32(rng + RNG_OUTPUT_L);  in dra7_rng_read64()
100 	*high_word = io_read32(rng + RNG_OUTPUT_H);  in dra7_rng_read64()
102 	io_write32(rng + RNG_INTACK, RNG_READY);  in dra7_rng_read64()
115 	assert(rng);  in hw_get_random_bytes()
137 	rng = (vaddr_t)phys_to_virt(RNG_BASE, MEM_AREA_IO_SEC, RNG_REG_SIZE);  in dra7_rng_init()
140 	io_write32(rng + RNG_SOFT_RESET_REG, RNG_SOFT_RESET);  in dra7_rng_init()
143 	while (io_read32(rng + RNG_SOFT_RESET_REG) & RNG_SOFT_RESET)  in dra7_rng_init()
147 	io_write32(rng + RNG_SYS_CONFIG_REG, RNG_AUTOIDLE);  in dra7_rng_init()
160 	io_write32(rng + RNG_CONFIG, val);  in dra7_rng_init()
163 	io_write32(rng + RNG_FRODETUNE, 0x0);  in dra7_rng_init()
166 	io_write32(rng + RNG_FROENABLE, 0xffffff);  in dra7_rng_init()
180 	io_write32(rng + RNG_ALARMCNT, val);  in dra7_rng_init()
182 	/* Enable the RNG module */  in dra7_rng_init()
185 	io_write32(rng + RNG_CONTROL, val);  in dra7_rng_init()