diff options
| -rw-r--r-- | arch/arm/include/asm/hardirq.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/clock.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-w90x900/dev.c | 28 | ||||
| -rw-r--r-- | arch/arm/mach-w90x900/include/mach/mfp.h | 24 | ||||
| -rw-r--r-- | arch/arm/mach-w90x900/mfp.c | 6 | ||||
| -rw-r--r-- | drivers/char/hw_random/nomadik-rng.c | 17 |
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; } |