diff options
Diffstat (limited to 'arch/mips/bcm63xx/dev-rng.c')
| -rw-r--r-- | arch/mips/bcm63xx/dev-rng.c | 40 | 
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/dev-rng.c b/arch/mips/bcm63xx/dev-rng.c new file mode 100644 index 00000000000..d277b4dc6c6 --- /dev/null +++ b/arch/mips/bcm63xx/dev-rng.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License.  See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource rng_resources[] = { +	{ +		.start		= -1, /* filled at runtime */ +		.end		= -1, /* filled at runtime */ +		.flags		= IORESOURCE_MEM, +	}, +}; + +static struct platform_device bcm63xx_rng_device = { +	.name		= "bcm63xx-rng", +	.id		= -1, +	.num_resources	= ARRAY_SIZE(rng_resources), +	.resource	= rng_resources, +}; + +int __init bcm63xx_rng_register(void) +{ +	if (!BCMCPU_IS_6368()) +		return -ENODEV; + +	rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); +	rng_resources[0].end = rng_resources[0].start; +	rng_resources[0].end += RSET_RNG_SIZE - 1; + +	return platform_device_register(&bcm63xx_rng_device); +} +arch_initcall(bcm63xx_rng_register);  |