#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"
+/*
+ * Get the clock frequency as reflected by CCCR and the turbo flag.
+ * We assume these values have been applied via a fcs.
+ * If info is not 0 we also display the current settings.
+ */
+unsigned int get_clk_frequency_khz(int info)
+{
+ if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ return pxa25x_get_clk_frequency_khz(info);
+ else if (cpu_is_pxa27x())
+ return pxa27x_get_clk_frequency_khz(info);
+ else
+ return pxa3xx_get_clk_frequency_khz(info);
+}
+EXPORT_SYMBOL(get_clk_frequency_khz);
+
+/*
+ * Return the current memory clock frequency in units of 10kHz
+ */
+unsigned int get_memclk_frequency_10khz(void)
+{
+ if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ return pxa25x_get_memclk_frequency_10khz();
+ else if (cpu_is_pxa27x())
+ return pxa27x_get_memclk_frequency_10khz();
+ else
+ return pxa3xx_get_memclk_frequency_10khz();
+}
+EXPORT_SYMBOL(get_memclk_frequency_10khz);
+
/*
* Handy function to set GPIO alternate functions
*/
+int pxa_last_gpio;
-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);
+int gpio_direction_input(unsigned gpio)
+{
+ unsigned long flags;
+ u32 mask;
+
+ if (gpio > pxa_last_gpio)
+ return -EINVAL;
+
+ mask = GPIO_bit(gpio);
+ local_irq_save(flags);
+ GPDR(gpio) &= ~mask;
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+ unsigned long flags;
+ u32 mask;
+
+ if (gpio > pxa_last_gpio)
+ return -EINVAL;
+
+ mask = GPIO_bit(gpio);
+ local_irq_save(flags);
+ if (value)
+ GPSR(gpio) = mask;
+ else
+ GPCR(gpio) = mask;
+ GPDR(gpio) |= mask;
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
+/*
+ * 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
*/
-void pxa_set_cken(int clock, int enable)
+void __pxa_set_cken(int clock, int enable)
{
unsigned long flags;
local_irq_save(flags);
if (enable)
- CKEN |= clock;
+ CKEN |= (1 << clock);
else
- CKEN &= ~clock;
+ CKEN &= ~(1 << clock);
local_irq_restore(flags);
}
-EXPORT_SYMBOL(pxa_set_cken);
+EXPORT_SYMBOL(__pxa_set_cken);
/*
* Intel PXA2xx internal register mapping.
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 = {
+static struct resource pxa_resource_ffuart[] = {
+ {
+ .start = __PREG(FFUART),
+ .end = __PREG(FFUART) + 35,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_FFUART,
+ .end = IRQ_FFUART,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device pxa_device_ffuart= {
.name = "pxa2xx-uart",
.id = 0,
+ .resource = pxa_resource_ffuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_ffuart),
};
-static struct platform_device btuart_device = {
+
+static struct resource pxa_resource_btuart[] = {
+ {
+ .start = __PREG(BTUART),
+ .end = __PREG(BTUART) + 35,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_BTUART,
+ .end = IRQ_BTUART,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device pxa_device_btuart = {
.name = "pxa2xx-uart",
.id = 1,
+ .resource = pxa_resource_btuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_btuart),
+};
+
+static struct resource pxa_resource_stuart[] = {
+ {
+ .start = __PREG(STUART),
+ .end = __PREG(STUART) + 35,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_STUART,
+ .end = IRQ_STUART,
+ .flags = IORESOURCE_IRQ,
+ }
};
-static struct platform_device stuart_device = {
+
+struct platform_device pxa_device_stuart = {
.name = "pxa2xx-uart",
.id = 2,
+ .resource = pxa_resource_stuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_stuart),
+};
+
+static struct resource pxa_resource_hwuart[] = {
+ {
+ .start = __PREG(HWUART),
+ .end = __PREG(HWUART) + 47,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_HWUART,
+ .end = IRQ_HWUART,
+ .flags = IORESOURCE_IRQ,
+ }
};
-static struct platform_device hwuart_device = {
+
+struct platform_device pxa_device_hwuart = {
.name = "pxa2xx-uart",
.id = 3,
+ .resource = pxa_resource_hwuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_hwuart),
};
-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),
+ .resource = pxai2c_resources,
+ .num_resources = ARRAY_SIZE(pxai2c_resources),
};
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,
- &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