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b73ab841 FF |
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 | 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); |