6 files changed, 79 insertions, 1 deletions

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 182310b99195..6d7485aff955 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -12,7 +12,9 @@ typedef struct {
 
 #include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
 
-#if NR_IRQS > 256
+#if NR_IRQS > 512
+#define HARDIRQ_BITS    10
+#elif NR_IRQS > 256
 #define HARDIRQ_BITS    9
 #else
 #define HARDIRQ_BITS    8
diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c
index 60f5bee09f2e..2c471fc451d7 100644
--- a/arch/arm/mach-nomadik/clock.c
+++ b/arch/arm/mach-nomadik/clock.c
@@ -56,6 +56,7 @@ static struct clk_lookup lookups[] = {
         CLK(&clk_default, "gpio.1"),
         CLK(&clk_default, "gpio.2"),
         CLK(&clk_default, "gpio.3"),
+        CLK(&clk_default, "rng"),
 };
 
 static int __init clk_init(void)
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index e2958eb567f9..b2eda4dc1c34 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -423,6 +423,33 @@ void  nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
 }
 #endif
 
+/* AUDIO controller*/
+static u64 nuc900_device_audio_dmamask = -1;
+static struct resource nuc900_ac97_resource[] = {
+        [0] = {
+                .start = W90X900_PA_ACTL,
+                .end   = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = IRQ_ACTL,
+                .end   = IRQ_ACTL,
+                .flags = IORESOURCE_IRQ,
+        }
+
+};
+
+struct platform_device nuc900_device_audio = {
+        .name           = "nuc900-audio",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(nuc900_ac97_resource),
+        .resource       = nuc900_ac97_resource,
+        .dev              = {
+                .dma_mask               = &nuc900_device_audio_dmamask,
+                .coherent_dma_mask      = -1,
+        }
+};
+
 /*Here should be your evb resourse,such as LCD*/
 
 static struct platform_device *nuc900_public_dev[] __initdata = {
@@ -434,6 +461,7 @@ static struct platform_device *nuc900_public_dev[] __initdata = {
         &nuc900_device_emc,
         &nuc900_device_spi,
         &nuc900_device_wdt,
+        &nuc900_device_audio,
 };
 
 /* Provide adding specific CPU platform devices API */
diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h
new file mode 100644
index 000000000000..94c0e71617c6
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/mfp.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-w90x900/include/mach/mfp.h
+ *
+ * Copyright (c) 2010 Nuvoton technology corporation.
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * Based on arch/arm/mach-s3c2410/include/mach/map.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation;version 2 of the License.
+ *
+ */
+
+#ifndef __ASM_ARCH_MFP_H
+#define __ASM_ARCH_MFP_H
+
+extern void mfp_set_groupf(struct device *dev);
+extern void mfp_set_groupc(struct device *dev);
+extern void mfp_set_groupi(struct device *dev);
+extern void mfp_set_groupg(struct device *dev);
+
+#endif /* __ASM_ARCH_MFP_H */
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c
index a47dc9a708ee..fb7fb627b1a5 100644
--- a/arch/arm/mach-w90x900/mfp.c
+++ b/arch/arm/mach-w90x900/mfp.c
@@ -36,9 +36,12 @@
 
 #define GPIOG0TO1       (0x03 << 14)
 #define GPIOG2TO3       (0x03 << 16)
+#define GPIOG22TO23     (0x03 << 22)
+
 #define ENSPI           (0x0a << 14)
 #define ENI2C0          (0x01 << 14)
 #define ENI2C1          (0x01 << 16)
+#define ENAC97          (0x02 << 22)
 
 static DEFINE_MUTEX(mfp_mutex);
 
@@ -146,6 +149,9 @@ void mfp_set_groupg(struct device *dev)
         } else if (strcmp(dev_id, "nuc900-i2c1") == 0) {
                 mfpen &= ~(GPIOG2TO3);
                 mfpen |= ENI2C1;/*enable i2c1*/
+        } else if (strcmp(dev_id, "nuc900-audio") == 0) {
+                mfpen &= ~(GPIOG22TO23);
+                mfpen |= ENAC97;/*enable AC97*/
         } else {
                 mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
         }
diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c
index a8b4c4010144..a348c7e9aa0b 100644
--- a/drivers/char/hw_random/nomadik-rng.c
+++ b/drivers/char/hw_random/nomadik-rng.c
@@ -15,6 +15,10 @@
 #include <linux/amba/bus.h>
 #include <linux/hw_random.h>
 #include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+static struct clk *rng_clk;
 
 static int nmk_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 {
@@ -40,6 +44,15 @@ static int nmk_rng_probe(struct amba_device *dev, struct amba_id *id)
         void __iomem *base;
         int ret;
 
+        rng_clk = clk_get(&dev->dev, NULL);
+        if (IS_ERR(rng_clk)) {
+                dev_err(&dev->dev, "could not get rng clock\n");
+                ret = PTR_ERR(rng_clk);
+                return ret;
+        }
+
+        clk_enable(rng_clk);
+
         ret = amba_request_regions(dev, dev->dev.init_name);
         if (ret)
                 return ret;
@@ -57,6 +70,8 @@ out_unmap:
         iounmap(base);
 out_release:
         amba_release_regions(dev);
+        clk_disable(rng_clk);
+        clk_put(rng_clk);
         return ret;
 }
 
@@ -66,6 +81,8 @@ static int nmk_rng_remove(struct amba_device *dev)
         hwrng_unregister(&nmk_rng);
         iounmap(base);
         amba_release_regions(dev);
+        clk_disable(rng_clk);
+        clk_put(rng_clk);
         return 0;
 }