1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org>
7 */
8
9#include <linux/init.h>
10#include <linux/kernel.h>
11#include <linux/platform_device.h>
12#include <bcm63xx_cpu.h>
13
14static struct resource rng_resources[] = {
15	{
16		.start		= -1, /* filled at runtime */
17		.end		= -1, /* filled at runtime */
18		.flags		= IORESOURCE_MEM,
19	},
20};
21
22static struct platform_device bcm63xx_rng_device = {
23	.name		= "bcm63xx-rng",
24	.id		= -1,
25	.num_resources	= ARRAY_SIZE(rng_resources),
26	.resource	= rng_resources,
27};
28
29int __init bcm63xx_rng_register(void)
30{
31	if (!BCMCPU_IS_6368())
32		return -ENODEV;
33
34	rng_resources[0].start = bcm63xx_regset_address(RSET_RNG);
35	rng_resources[0].end = rng_resources[0].start;
36	rng_resources[0].end += RSET_RNG_SIZE - 1;
37
38	return platform_device_register(&bcm63xx_rng_device);
39}
40arch_initcall(bcm63xx_rng_register);
41