1b73ab841SFlorian Fainelli /* 2b73ab841SFlorian Fainelli * This file is subject to the terms and conditions of the GNU General Public 3b73ab841SFlorian Fainelli * License. See the file "COPYING" in the main directory of this archive 4b73ab841SFlorian Fainelli * for more details. 5b73ab841SFlorian Fainelli * 6b73ab841SFlorian Fainelli * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org> 7b73ab841SFlorian Fainelli */ 8b73ab841SFlorian Fainelli 9b73ab841SFlorian Fainelli #include <linux/init.h> 10b73ab841SFlorian Fainelli #include <linux/kernel.h> 11b73ab841SFlorian Fainelli #include <linux/platform_device.h> 12b73ab841SFlorian Fainelli #include <bcm63xx_cpu.h> 13b73ab841SFlorian Fainelli 14b73ab841SFlorian Fainelli static struct resource rng_resources[] = { 15b73ab841SFlorian Fainelli { 16b73ab841SFlorian Fainelli .start = -1, /* filled at runtime */ 17b73ab841SFlorian Fainelli .end = -1, /* filled at runtime */ 18b73ab841SFlorian Fainelli .flags = IORESOURCE_MEM, 19b73ab841SFlorian Fainelli }, 20b73ab841SFlorian Fainelli }; 21b73ab841SFlorian Fainelli 22b73ab841SFlorian Fainelli static struct platform_device bcm63xx_rng_device = { 23b73ab841SFlorian Fainelli .name = "bcm63xx-rng", 24b73ab841SFlorian Fainelli .id = -1, 25b73ab841SFlorian Fainelli .num_resources = ARRAY_SIZE(rng_resources), 26b73ab841SFlorian Fainelli .resource = rng_resources, 27b73ab841SFlorian Fainelli }; 28b73ab841SFlorian Fainelli bcm63xx_rng_register(void)29*dd3c33ccSFlorian Fainellistatic int __init bcm63xx_rng_register(void) 30b73ab841SFlorian Fainelli { 31b73ab841SFlorian Fainelli if (!BCMCPU_IS_6368()) 32b73ab841SFlorian Fainelli return -ENODEV; 33b73ab841SFlorian Fainelli 34b73ab841SFlorian Fainelli rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); 35b73ab841SFlorian Fainelli rng_resources[0].end = rng_resources[0].start; 36b73ab841SFlorian Fainelli rng_resources[0].end += RSET_RNG_SIZE - 1; 37b73ab841SFlorian Fainelli 38b73ab841SFlorian Fainelli return platform_device_register(&bcm63xx_rng_device); 39b73ab841SFlorian Fainelli } 40b73ab841SFlorian Fainelli arch_initcall(bcm63xx_rng_register); 41