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authorAnton Arapov <anton@redhat.com>2012-10-29 11:15:37 +0100
committerAnton Arapov <anton@redhat.com>2012-10-29 11:15:37 +0100
commit7d558cd9c7b18e4b16953265aa0da45e63f3b968 (patch)
tree7135d5a810768c9c619346282ee9cfdf1765e225 /arch/mips/bcm63xx/dev-rng.c
parent985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (diff)
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fedora kernel: cd394142aac30b5c751f25b517572e2448695641v3.6.3-2f17
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/mips/bcm63xx/dev-rng.c')
-rw-r--r--arch/mips/bcm63xx/dev-rng.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/dev-rng.c b/arch/mips/bcm63xx/dev-rng.c
new file mode 100644
index 00000000000..d277b4dc6c6
--- /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);