diff options
| author | Florian Fainelli <florian@openwrt.org> | 2012-07-24 16:33:10 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-07-24 16:33:10 +0200 |
| commit | b73ab84199a9760cd99bd7329e58b6a8ce2eb36f (patch) | |
| tree | f857cd20bc3e95e53714a4c536d8b9f5de00ed2d /arch/mips | |
| parent | 8aecfe946275d23a207c73dbaf7a7c7a8a80be24 (diff) | |
MIPS: BCM63XX: add RNG driver platform_device stub
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: mpm@selenic.com
Cc: herbert@gondor.apana.org.au
Patchwork: https://patchwork.linux-mips.org/patch/3325/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/bcm63xx/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/bcm63xx/dev-rng.c | 40 |
2 files changed, 42 insertions, 2 deletions
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index 4049cd51fd15..349b2061d2ec 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,6 +1,6 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-uart.o \ - dev-wdt.o + dev-dsp.o dev-enet.o dev-pcmcia.o dev-rng.o dev-spi.o \ + dev-uart.o dev-wdt.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/dev-rng.c b/arch/mips/bcm63xx/dev-rng.c new file mode 100644 index 000000000000..d277b4dc6c68 --- /dev/null +++ b/arch/mips/bcm63xx/dev-rng.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource rng_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device bcm63xx_rng_device = { + .name = "bcm63xx-rng", + .id = -1, + .num_resources = ARRAY_SIZE(rng_resources), + .resource = rng_resources, +}; + +int __init bcm63xx_rng_register(void) +{ + if (!BCMCPU_IS_6368()) + return -ENODEV; + + rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); + rng_resources[0].end = rng_resources[0].start; + rng_resources[0].end += RSET_RNG_SIZE - 1; + + return platform_device_register(&bcm63xx_rng_device); +} +arch_initcall(bcm63xx_rng_register); |