#include <linux/pm.h>
#include <linux/string.h>
-#include <linux/sched.h>
-#include <asm/cnt32_to_63.h>
-#include <asm/div64.h>
-
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/mach/map.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/udc.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/i2c.h>
+#include "devices.h"
#include "generic.h"
-/*
- * This is the PXA2xx sched_clock implementation. This has a resolution
- * of at least 308ns and a maximum value that depends on the value of
- * CLOCK_TICK_RATE.
- *
- * The return value is guaranteed to be monotonic in that range as
- * long as there is always less than 582 seconds between successive
- * calls to this function.
- */
-unsigned long long sched_clock(void)
-{
- unsigned long long v = cnt32_to_63(OSCR);
- /* Note: top bit ov v needs cleared unless multiplier is even. */
-
-#if CLOCK_TICK_RATE == 3686400
- /* 1E9 / 3686400 => 78125 / 288, max value = 32025597s (370 days). */
- /* The <<1 is used to get rid of tick.hi top bit */
- v *= 78125<<1;
- do_div(v, 288<<1);
-#elif CLOCK_TICK_RATE == 3250000
- /* 1E9 / 3250000 => 4000 / 13, max value = 709490156s (8211 days) */
- v *= 4000;
- do_div(v, 13);
-#elif CLOCK_TICK_RATE == 3249600
- /* 1E9 / 3249600 => 625000 / 2031, max value = 4541295s (52 days) */
- v *= 625000;
- do_div(v, 2031);
-#else
-#warning "consider fixing sched_clock for your value of CLOCK_TICK_RATE"
- /*
- * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
- * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
- * years range and truncation to unsigned long long limits it to
- * sched_clock's max range of ~584 years. This is nice but with
- * higher computation cost.
- */
- {
- union {
- unsigned long long val;
- struct { unsigned long lo, hi; };
- } x;
- unsigned long long y;
-
- x.val = v;
- x.hi &= 0x7fffffff;
- y = (unsigned long long)x.lo * NSEC_PER_SEC;
- x.lo = y;
- y = (y >> 32) + (unsigned long long)x.hi * NSEC_PER_SEC;
- x.hi = do_div(y, CLOCK_TICK_RATE);
- do_div(x.val, CLOCK_TICK_RATE);
- x.hi += y;
- v = x.val;
- }
-#endif
-
- return v;
-}
-
/*
* Handy function to set GPIO alternate functions
*/
-void pxa_gpio_mode(int gpio_mode)
+int pxa_gpio_mode(int gpio_mode)
{
unsigned long flags;
int gpio = gpio_mode & GPIO_MD_MASK_NR;
int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
int gafr;
+ if (gpio > PXA_LAST_GPIO)
+ return -EINVAL;
+
local_irq_save(flags);
if (gpio_mode & GPIO_DFLT_LOW)
GPCR(gpio) = GPIO_bit(gpio);
gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2));
local_irq_restore(flags);
+
+ return 0;
}
EXPORT_SYMBOL(pxa_gpio_mode);
+/*
+ * Return GPIO level
+ */
+int pxa_gpio_get_value(unsigned gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+EXPORT_SYMBOL(pxa_gpio_get_value);
+
+/*
+ * Set output GPIO level
+ */
+void pxa_gpio_set_value(unsigned gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+EXPORT_SYMBOL(pxa_gpio_set_value);
+
/*
* Routine to safely enable or disable a clock in the CKEN
*/
local_irq_save(flags);
if (enable)
- CKEN |= clock;
+ CKEN |= (1 << clock);
else
- CKEN &= ~clock;
+ CKEN &= ~(1 << clock);
local_irq_restore(flags);
}
static u64 pxamci_dmamask = 0xffffffffUL;
-static struct platform_device pxamci_device = {
+struct platform_device pxa_device_mci = {
.name = "pxa2xx-mci",
.id = -1,
.dev = {
void __init pxa_set_mci_info(struct pxamci_platform_data *info)
{
- pxamci_device.dev.platform_data = info;
+ pxa_device_mci.dev.platform_data = info;
}
static u64 udc_dma_mask = ~(u32)0;
-static struct platform_device udc_device = {
+struct platform_device pxa_device_udc = {
.name = "pxa2xx-udc",
.id = -1,
.resource = pxa2xx_udc_resources,
static u64 fb_dma_mask = ~(u64)0;
-static struct platform_device pxafb_device = {
+struct platform_device pxa_device_fb = {
.name = "pxa2xx-fb",
.id = -1,
.dev = {
void __init set_pxa_fb_info(struct pxafb_mach_info *info)
{
- pxafb_device.dev.platform_data = info;
+ pxa_device_fb.dev.platform_data = info;
}
void __init set_pxa_fb_parent(struct device *parent_dev)
{
- pxafb_device.dev.parent = parent_dev;
+ pxa_device_fb.dev.parent = parent_dev;
}
-static struct platform_device ffuart_device = {
+struct platform_device pxa_device_ffuart= {
.name = "pxa2xx-uart",
.id = 0,
};
-static struct platform_device btuart_device = {
+struct platform_device pxa_device_btuart = {
.name = "pxa2xx-uart",
.id = 1,
};
-static struct platform_device stuart_device = {
+struct platform_device pxa_device_stuart = {
.name = "pxa2xx-uart",
.id = 2,
};
-static struct platform_device hwuart_device = {
+struct platform_device pxa_device_hwuart = {
.name = "pxa2xx-uart",
.id = 3,
};
-static struct resource i2c_resources[] = {
+static struct resource pxai2c_resources[] = {
{
.start = 0x40301680,
.end = 0x403016a3,
},
};
-static struct platform_device i2c_device = {
+struct platform_device pxa_device_i2c = {
.name = "pxa2xx-i2c",
.id = 0,
- .resource = i2c_resources,
- .num_resources = ARRAY_SIZE(i2c_resources),
-};
-
-#ifdef CONFIG_PXA27x
-static struct resource i2c_power_resources[] = {
- {
- .start = 0x40f00180,
- .end = 0x40f001a3,
- .flags = IORESOURCE_MEM,
- }, {
- .start = IRQ_PWRI2C,
- .end = IRQ_PWRI2C,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device i2c_power_device = {
- .name = "pxa2xx-i2c",
- .id = 1,
- .resource = i2c_power_resources,
- .num_resources = ARRAY_SIZE(i2c_resources),
+ .resource = pxai2c_resources,
+ .num_resources = ARRAY_SIZE(pxai2c_resources),
};
-#endif
void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
{
- i2c_device.dev.platform_data = info;
+ pxa_device_i2c.dev.platform_data = info;
}
-static struct resource i2s_resources[] = {
+static struct resource pxai2s_resources[] = {
{
.start = 0x40400000,
.end = 0x40400083,
},
};
-static struct platform_device i2s_device = {
+struct platform_device pxa_device_i2s = {
.name = "pxa2xx-i2s",
.id = -1,
- .resource = i2s_resources,
- .num_resources = ARRAY_SIZE(i2s_resources),
+ .resource = pxai2s_resources,
+ .num_resources = ARRAY_SIZE(pxai2s_resources),
};
static u64 pxaficp_dmamask = ~(u32)0;
-static struct platform_device pxaficp_device = {
+struct platform_device pxa_device_ficp = {
.name = "pxa2xx-ir",
.id = -1,
.dev = {
void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
{
- pxaficp_device.dev.platform_data = info;
+ pxa_device_ficp.dev.platform_data = info;
}
-static struct platform_device pxartc_device = {
+struct platform_device pxa_device_rtc = {
.name = "sa1100-rtc",
.id = -1,
};
-
-static struct platform_device *devices[] __initdata = {
- &pxamci_device,
- &udc_device,
- &pxafb_device,
- &ffuart_device,
- &btuart_device,
- &stuart_device,
- &pxaficp_device,
- &i2c_device,
-#ifdef CONFIG_PXA27x
- &i2c_power_device,
-#endif
- &i2s_device,
- &pxartc_device,
-};
-
-static int __init pxa_init(void)
-{
- int cpuid, ret;
-
- ret = platform_add_devices(devices, ARRAY_SIZE(devices));
- if (ret)
- return ret;
-
- /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
- cpuid = read_cpuid(CPUID_ID);
- if (((cpuid >> 4) & 0xfff) == 0x2d0 ||
- ((cpuid >> 4) & 0xfff) == 0x290)
- ret = platform_device_register(&hwuart_device);
-
- return ret;
-}
-
-subsys_initcall(pxa_init);
projects / linux-2.6-omap-h63xx.git / blobdiff