| 1 | From 79fed26f65c22e0d67c9523f7a374f0585bd2803 Mon Sep 17 00:00:00 2001 |
| 2 | From: Florian Fainelli <florian@openwrt.org> |
| 3 | Date: Tue, 31 Jan 2012 15:12:24 +0100 |
| 4 | Subject: [PATCH 5/6] MIPS: BCM63XX: add RNG driver platform_device stub |
| 5 | |
| 6 | Signed-off-by: Florian Fainelli <florian@openwrt.org> |
| 7 | Cc: linux-mips@linux-mips.org |
| 8 | Cc: mpm@selenic.com |
| 9 | Cc: herbert@gondor.apana.org.au |
| 10 | Patchwork: https://patchwork.linux-mips.org/patch/3325/ |
| 11 | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
| 12 | --- |
| 13 | arch/mips/bcm63xx/Makefile | 4 ++-- |
| 14 | arch/mips/bcm63xx/dev-rng.c | 40 ++++++++++++++++++++++++++++++++++++++++ |
| 15 | 2 files changed, 42 insertions(+), 2 deletions(-) |
| 16 | create mode 100644 arch/mips/bcm63xx/dev-rng.c |
| 17 | |
| 18 | --- a/arch/mips/bcm63xx/Makefile |
| 19 | +++ b/arch/mips/bcm63xx/Makefile |
| 20 | @@ -1,6 +1,6 @@ |
| 21 | obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ |
| 22 | - dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-uart.o \ |
| 23 | - dev-wdt.o |
| 24 | + dev-dsp.o dev-enet.o dev-pcmcia.o dev-rng.o dev-spi.o \ |
| 25 | + dev-uart.o dev-wdt.o |
| 26 | obj-$(CONFIG_EARLY_PRINTK) += early_printk.o |
| 27 | |
| 28 | obj-y += boards/ |
| 29 | --- /dev/null |
| 30 | +++ b/arch/mips/bcm63xx/dev-rng.c |
| 31 | @@ -0,0 +1,40 @@ |
| 32 | +/* |
| 33 | + * This file is subject to the terms and conditions of the GNU General Public |
| 34 | + * License. See the file "COPYING" in the main directory of this archive |
| 35 | + * for more details. |
| 36 | + * |
| 37 | + * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org> |
| 38 | + */ |
| 39 | + |
| 40 | +#include <linux/init.h> |
| 41 | +#include <linux/kernel.h> |
| 42 | +#include <linux/platform_device.h> |
| 43 | +#include <bcm63xx_cpu.h> |
| 44 | + |
| 45 | +static struct resource rng_resources[] = { |
| 46 | + { |
| 47 | + .start = -1, /* filled at runtime */ |
| 48 | + .end = -1, /* filled at runtime */ |
| 49 | + .flags = IORESOURCE_MEM, |
| 50 | + }, |
| 51 | +}; |
| 52 | + |
| 53 | +static struct platform_device bcm63xx_rng_device = { |
| 54 | + .name = "bcm63xx-rng", |
| 55 | + .id = -1, |
| 56 | + .num_resources = ARRAY_SIZE(rng_resources), |
| 57 | + .resource = rng_resources, |
| 58 | +}; |
| 59 | + |
| 60 | +int __init bcm63xx_rng_register(void) |
| 61 | +{ |
| 62 | + if (!BCMCPU_IS_6368()) |
| 63 | + return -ENODEV; |
| 64 | + |
| 65 | + rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); |
| 66 | + rng_resources[0].end = rng_resources[0].start; |
| 67 | + rng_resources[0].end += RSET_RNG_SIZE - 1; |
| 68 | + |
| 69 | + return platform_device_register(&bcm63xx_rng_device); |
| 70 | +} |
| 71 | +arch_initcall(bcm63xx_rng_register); |
| 72 | |
