blob: d277b4dc6c688eb394544b556e0941a54654c1b9 [file] [log] [blame]
Florian Fainellib73ab842012-07-24 16:33:10 +02001/*
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);