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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/bcm63xx/dev-rng.c
Initial import
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
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index 000000000..d277b4dc6
--- /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);