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Diffstat (limited to 'arch/arm/mach-pxa/pxa25x.c')
-rw-r--r--arch/arm/mach-pxa/pxa25x.c93
1 files changed, 56 insertions, 37 deletions
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index de53f2e4aa39..fbc5b775f895 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -22,7 +22,9 @@
#include <linux/platform_device.h>
#include <linux/suspend.h>
#include <linux/sysdev.h>
+#include <linux/irq.h>
+#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/gpio.h>
@@ -30,6 +32,7 @@
#include <mach/reset.h>
#include <mach/pm.h>
#include <mach/dma.h>
+#include <mach/smemc.h>
#include "generic.h"
#include "devices.h"
@@ -90,23 +93,21 @@ unsigned int pxa25x_get_clk_frequency_khz(int info)
return (turbo & 1) ? (N/1000) : (M/1000);
}
-/*
- * Return the current memory clock frequency in units of 10kHz
- */
-unsigned int pxa25x_get_memclk_frequency_10khz(void)
+static unsigned long clk_pxa25x_mem_getrate(struct clk *clk)
{
- return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK / 10000;
+ return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK;
}
-static unsigned long clk_pxa25x_lcd_getrate(struct clk *clk)
-{
- return pxa25x_get_memclk_frequency_10khz() * 10000;
-}
+static const struct clkops clk_pxa25x_mem_ops = {
+ .enable = clk_dummy_enable,
+ .disable = clk_dummy_disable,
+ .getrate = clk_pxa25x_mem_getrate,
+};
static const struct clkops clk_pxa25x_lcd_ops = {
- .enable = clk_cken_enable,
- .disable = clk_cken_disable,
- .getrate = clk_pxa25x_lcd_getrate,
+ .enable = clk_pxa2xx_cken_enable,
+ .disable = clk_pxa2xx_cken_disable,
+ .getrate = clk_pxa25x_mem_getrate,
};
static unsigned long gpio12_config_32k[] = {
@@ -160,31 +161,30 @@ static const struct clkops clk_pxa25x_gpio11_ops = {
* 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
* 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly)
*/
-static DEFINE_CKEN(pxa25x_hwuart, HWUART, 14745600, 1);
-
-static struct clk_lookup pxa25x_hwuart_clkreg =
- INIT_CLKREG(&clk_pxa25x_hwuart, "pxa2xx-uart.3", NULL);
/*
* PXA 2xx clock declarations.
*/
+static DEFINE_PXA2_CKEN(pxa25x_hwuart, HWUART, 14745600, 1);
+static DEFINE_PXA2_CKEN(pxa25x_ffuart, FFUART, 14745600, 1);
+static DEFINE_PXA2_CKEN(pxa25x_btuart, BTUART, 14745600, 1);
+static DEFINE_PXA2_CKEN(pxa25x_stuart, STUART, 14745600, 1);
+static DEFINE_PXA2_CKEN(pxa25x_usb, USB, 47923000, 5);
+static DEFINE_PXA2_CKEN(pxa25x_mmc, MMC, 19169000, 0);
+static DEFINE_PXA2_CKEN(pxa25x_i2c, I2C, 31949000, 0);
+static DEFINE_PXA2_CKEN(pxa25x_ssp, SSP, 3686400, 0);
+static DEFINE_PXA2_CKEN(pxa25x_nssp, NSSP, 3686400, 0);
+static DEFINE_PXA2_CKEN(pxa25x_assp, ASSP, 3686400, 0);
+static DEFINE_PXA2_CKEN(pxa25x_pwm0, PWM0, 3686400, 0);
+static DEFINE_PXA2_CKEN(pxa25x_pwm1, PWM1, 3686400, 0);
+static DEFINE_PXA2_CKEN(pxa25x_ac97, AC97, 24576000, 0);
+static DEFINE_PXA2_CKEN(pxa25x_i2s, I2S, 14745600, 0);
+static DEFINE_PXA2_CKEN(pxa25x_ficp, FICP, 47923000, 0);
+
static DEFINE_CK(pxa25x_lcd, LCD, &clk_pxa25x_lcd_ops);
-static DEFINE_CKEN(pxa25x_ffuart, FFUART, 14745600, 1);
-static DEFINE_CKEN(pxa25x_btuart, BTUART, 14745600, 1);
-static DEFINE_CKEN(pxa25x_stuart, STUART, 14745600, 1);
-static DEFINE_CKEN(pxa25x_usb, USB, 47923000, 5);
static DEFINE_CLK(pxa25x_gpio11, &clk_pxa25x_gpio11_ops, 3686400, 0);
static DEFINE_CLK(pxa25x_gpio12, &clk_pxa25x_gpio12_ops, 32768, 0);
-static DEFINE_CKEN(pxa25x_mmc, MMC, 19169000, 0);
-static DEFINE_CKEN(pxa25x_i2c, I2C, 31949000, 0);
-static DEFINE_CKEN(pxa25x_ssp, SSP, 3686400, 0);
-static DEFINE_CKEN(pxa25x_nssp, NSSP, 3686400, 0);
-static DEFINE_CKEN(pxa25x_assp, ASSP, 3686400, 0);
-static DEFINE_CKEN(pxa25x_pwm0, PWM0, 3686400, 0);
-static DEFINE_CKEN(pxa25x_pwm1, PWM1, 3686400, 0);
-static DEFINE_CKEN(pxa25x_ac97, AC97, 24576000, 0);
-static DEFINE_CKEN(pxa25x_i2s, I2S, 14745600, 0);
-static DEFINE_CKEN(pxa25x_ficp, FICP, 47923000, 0);
+static DEFINE_CLK(pxa25x_mem, &clk_pxa25x_mem_ops, 0, 0);
static struct clk_lookup pxa25x_clkregs[] = {
INIT_CLKREG(&clk_pxa25x_lcd, "pxa2xx-fb", NULL),
@@ -205,8 +205,12 @@ static struct clk_lookup pxa25x_clkregs[] = {
INIT_CLKREG(&clk_pxa25x_ac97, NULL, "AC97CLK"),
INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"),
INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"),
+ INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL),
};
+static struct clk_lookup pxa25x_hwuart_clkreg =
+ INIT_CLKREG(&clk_pxa25x_hwuart, "pxa2xx-uart.3", NULL);
+
#ifdef CONFIG_PM
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
@@ -219,20 +223,17 @@ static struct clk_lookup pxa25x_clkregs[] = {
*/
enum {
SLEEP_SAVE_PSTR,
- SLEEP_SAVE_CKEN,
SLEEP_SAVE_COUNT
};
static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
{
- SAVE(CKEN);
SAVE(PSTR);
}
static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
{
- RESTORE(CKEN);
RESTORE(PSTR);
}
@@ -282,15 +283,15 @@ static inline void pxa25x_init_pm(void) {}
/* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm
*/
-static int pxa25x_set_wake(unsigned int irq, unsigned int on)
+static int pxa25x_set_wake(struct irq_data *d, unsigned int on)
{
- int gpio = IRQ_TO_GPIO(irq);
+ int gpio = IRQ_TO_GPIO(d->irq);
uint32_t mask = 0;
if (gpio >= 0 && gpio < 85)
return gpio_set_wake(gpio, on);
- if (irq == IRQ_RTCAlrm) {
+ if (d->irq == IRQ_RTCAlrm) {
mask = PWER_RTC;
goto set_pwer;
}
@@ -320,6 +321,22 @@ void __init pxa26x_init_irq(void)
}
#endif
+static struct map_desc pxa25x_io_desc[] __initdata = {
+ { /* Mem Ctl */
+ .virtual = SMEMC_VIRT,
+ .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE),
+ .length = 0x00200000,
+ .type = MT_DEVICE
+ },
+};
+
+void __init pxa25x_map_io(void)
+{
+ pxa_map_io();
+ iotable_init(ARRAY_AND_SIZE(pxa25x_io_desc));
+ pxa25x_get_clk_frequency_khz(1);
+}
+
static struct platform_device *pxa25x_devices[] __initdata = {
&pxa25x_device_udc,
&pxa_device_pmu,
@@ -339,7 +356,9 @@ static struct sys_device pxa25x_sysdev[] = {
.cls = &pxa2xx_mfp_sysclass,
}, {
.cls = &pxa_gpio_sysclass,
- },
+ }, {
+ .cls = &pxa2xx_clock_sysclass,
+ }
};
static int __init pxa25x_init(void)