56 #define	RNG_CTRL		0x00		/* RNG Control Register */
67 #define	RNG_RBGEN_BIT		0x00000001	/*  Enable RNG bit */
69 #define	BCM2835_RNG_STATUS	0x04		/* BCM2835 RNG status register */
70 #define	BCM2838_RNG_STATUS	0x18		/* BCM2838 RNG status register */
77 #define	BCM2835_RND_VAL_WARM_CNT	0x40000		/*  RNG Warm Up count */
78 #define	BCM2835_RND_WARM_CNT	0xfffff		/*  RNG Warm Up Count mask */
80 #define	BCM2835_RNG_DATA	0x08		/* RNG Data Register */
153 	{"broadcom,bcm2835-rng",	(uintptr_t)&bcm2835_rng_conf},
154 	{"brcm,bcm2835-rng",		(uintptr_t)&bcm2835_rng_conf},
157 	{"brcm,bcm2838-rng",		(uintptr_t)&bcm2838_rng_conf},
159 	{"brcm,bcm7211-rng",		(uintptr_t)&bcm2838_rng_conf},
160 	{"brcm,bcm7278-rng",		(uintptr_t)&bcm2838_rng_conf},
204 	/* Display RNG control register contents */  in bcm2835_rng_dump_registers()
228 	    "Use RNG clock (APB clock)");  in bcm2835_rng_dump_registers()
235 		sbuf_cat(sbp, "  RNG_RBG2X: RNG 2X SPEED enabled\n");  in bcm2835_rng_dump_registers()
240 	/* Display RNG status register contents */  in bcm2835_rng_dump_registers()
282 	/* Enable the RNG */  in bcm2835_rng_start()
295 	/* Disable the RNG */  in bcm2835_rng_stop()
350 					    "RNG stalled, disabling device\n");  in bcm2835_rng_harvest()
365 		CTR2(KTR_DEV, "%s: %d words available in RNG FIFO",  in bcm2835_rng_harvest()
396 	/* Reset the RNG */  in sysctl_bcm2835_rng_2xspeed()
433 	device_set_desc(dev, "Broadcom BCM2835/BCM2838 RNG");  in bcm2835_rng_probe()
471 	/* Start the RNG */  in bcm2835_rng_attach()
499 	    RNG_STALL_COUNT_DEFAULT, "Number of underruns to assume RNG stall");  in bcm2835_rng_attach()
503 	    sysctl_bcm2835_rng_dump, "S", "Dump RNG registers");  in bcm2835_rng_attach()
508 	 * hardware RNG plenty of time to generate the first random bytes.  in bcm2835_rng_attach()
522 	/* Stop the RNG */  in bcm2835_rng_detach()