2 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 05fdbd992c77..23a0b116b078 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -357,6 +357,30 @@ static inline void omap_init_uwire(void) {}
 #endif
 
 
+#define OMAP1_RNG_BASE		0xfffe5000
+
+static struct resource omap1_rng_resources[] = {
+	{
+		.start		= OMAP1_RNG_BASE,
+		.end		= OMAP1_RNG_BASE + 0x4f,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device omap1_rng_device = {
+	.name		= "omap_rng",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(omap1_rng_resources),
+	.resource	= omap1_rng_resources,
+};
+
+static void omap1_init_rng(void)
+{
+	(void) platform_device_register(&omap1_rng_device);
+}
+
+/*-------------------------------------------------------------------------*/
+
 /*
  * This gets called after board-specific INIT_MACHINE, and initializes most
  * on-chip peripherals accessible on this board (except for few like USB):
@@ -395,6 +419,7 @@ static int __init omap1_init_devices(void)
 	omap_init_spi100k();
 	omap_init_sti();
 	omap_init_uwire();
+	omap1_init_rng();
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 6ef401079480..33bdbe4633aa 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -462,6 +462,23 @@ static void omap_init_pmu(void)
 	platform_device_register(&omap_pmu_device);
 }
 
+/**
+ * omap_init_rng - bind the RNG hwmod to the RNG omap_device
+ *
+ * Bind the RNG hwmod to the RNG omap_device.  No return value.
+ */
+static void omap_init_rng(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+
+	oh = omap_hwmod_lookup("rng");
+	if (!oh)
+		return;
+
+	pdev = omap_device_build("omap_rng", -1, oh, NULL, 0, NULL, 0, 0);
+	WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
+}
 
 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
 
@@ -649,6 +666,7 @@ static int __init omap2_init_devices(void)
 	}
 	omap_init_pmu();
 	omap_init_sti();
+	omap_init_rng();
 	omap_init_sham();
 	omap_init_aes();
 	omap_init_vout();