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 | |
14 | static struct resource rng_resources[] = { |
15 | { |
16 | .start = -1, /* filled at runtime */ |
17 | .end = -1, /* filled at runtime */ |
18 | .flags = IORESOURCE_MEM, |
19 | }, |
20 | }; |
21 | |
22 | static 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 | |
29 | static int __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 | } |
40 | arch_initcall(bcm63xx_rng_register); |
41 |