#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/suspend.h>
+#include <linux/sysdev.h>
#include <asm/hardware.h>
#include <asm/arch/irqs.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mfp-pxa25x.h>
#include <asm/arch/pm.h>
#include <asm/arch/dma.h>
* 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 struct clk pxa25x_hwuart_clk =
+ INIT_CKEN("UARTCLK", HWUART, 14745600, 1, &pxa_device_hwuart.dev)
+;
+
static struct clk pxa25x_clks[] = {
INIT_CK("LCDCLK", LCD, &clk_pxa25x_lcd_ops, &pxa_device_fb.dev),
INIT_CKEN("UARTCLK", FFUART, 14745600, 1, &pxa_device_ffuart.dev),
INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
- INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa_device_udc.dev),
INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),
+
+ INIT_CKEN("SSPCLK", SSP, 3686400, 0, &pxa25x_device_ssp.dev),
+ INIT_CKEN("SSPCLK", NSSP, 3686400, 0, &pxa25x_device_nssp.dev),
+ INIT_CKEN("SSPCLK", ASSP, 3686400, 0, &pxa25x_device_assp.dev),
+
+ INIT_CKEN("AC97CLK", AC97, 24576000, 0, NULL),
+
/*
INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL),
INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL),
- INIT_CKEN("SSPCLK", SSP, 3686400, 0, NULL),
INIT_CKEN("I2SCLK", I2S, 14745600, 0, NULL),
- INIT_CKEN("NSSPCLK", NSSP, 3686400, 0, NULL),
*/
INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL),
};
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x]
-#define RESTORE_GPLEVEL(n) do { \
- GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
- GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
-} while (0)
-
/*
* List of global PXA peripheral registers to preserve.
* More ones like CP and general purpose register values are preserved
* with the stack pointer in sleep.S.
*/
-enum { SLEEP_SAVE_START = 0,
-
- SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2,
- SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2,
- SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2,
- SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2,
- SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2,
+enum { SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2,
SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
SLEEP_SAVE_PSTR,
- SLEEP_SAVE_ICMR,
SLEEP_SAVE_CKEN,
- SLEEP_SAVE_SIZE
+ SLEEP_SAVE_COUNT
};
static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
{
- SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2);
- SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2);
- SAVE(GRER0); SAVE(GRER1); SAVE(GRER2);
- SAVE(GFER0); SAVE(GFER1); SAVE(GFER2);
SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2);
SAVE(GAFR0_L); SAVE(GAFR0_U);
SAVE(GAFR1_L); SAVE(GAFR1_U);
SAVE(GAFR2_L); SAVE(GAFR2_U);
- SAVE(ICMR); ICMR = 0;
SAVE(CKEN);
SAVE(PSTR);
PSPR = 0;
/* restore registers */
- RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
- RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
RESTORE(GAFR0_L); RESTORE(GAFR0_U);
RESTORE(GAFR1_L); RESTORE(GAFR1_U);
RESTORE(GAFR2_L); RESTORE(GAFR2_U);
- RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
- RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
PSSR = PSSR_RDH | PSSR_PH;
RESTORE(CKEN);
-
- ICLR = 0;
- ICCR = 1;
- RESTORE(ICMR);
RESTORE(PSTR);
}
static void pxa25x_cpu_pm_enter(suspend_state_t state)
{
- CKEN = 0;
-
switch (state) {
case PM_SUSPEND_MEM:
/* set resume return address */
}
static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = {
- .save_size = SLEEP_SAVE_SIZE,
+ .save_count = SLEEP_SAVE_COUNT,
.valid = suspend_valid_only_mem,
.save = pxa25x_cpu_pm_save,
.restore = pxa25x_cpu_pm_restore,
{
pxa_cpu_pm_fns = &pxa25x_cpu_pm_fns;
}
+#else
+static inline void pxa25x_init_pm(void) {}
#endif
/* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm
static int pxa25x_set_wake(unsigned int irq, unsigned int on)
{
int gpio = IRQ_TO_GPIO(irq);
- uint32_t gpio_bit, mask = 0;
-
- if (gpio >= 0 && gpio <= 15) {
- gpio_bit = GPIO_bit(gpio);
- mask = gpio_bit;
- if (on) {
- if (GRER(gpio) | gpio_bit)
- PRER |= gpio_bit;
- else
- PRER &= ~gpio_bit;
-
- if (GFER(gpio) | gpio_bit)
- PFER |= gpio_bit;
- else
- PFER &= ~gpio_bit;
- }
- goto set_pwer;
- }
+ uint32_t mask = 0;
+
+ if (gpio >= 0 && gpio < 85)
+ return gpio_set_wake(gpio, on);
if (irq == IRQ_RTCAlrm) {
mask = PWER_RTC;
void __init pxa25x_init_irq(void)
{
- pxa_init_irq_low();
- pxa_init_irq_gpio(85);
- pxa_init_irq_set_wake(pxa25x_set_wake);
+ pxa_init_irq(32, pxa25x_set_wake);
+ pxa_init_gpio(85, pxa25x_set_wake);
}
static struct platform_device *pxa25x_devices[] __initdata = {
- &pxa_device_mci,
&pxa_device_udc,
- &pxa_device_fb,
&pxa_device_ffuart,
&pxa_device_btuart,
&pxa_device_stuart,
- &pxa_device_i2c,
&pxa_device_i2s,
- &pxa_device_ficp,
&pxa_device_rtc,
+ &pxa25x_device_ssp,
+ &pxa25x_device_nssp,
+ &pxa25x_device_assp,
+};
+
+static struct sys_device pxa25x_sysdev[] = {
+ {
+ .cls = &pxa_irq_sysclass,
+ }, {
+ .cls = &pxa_gpio_sysclass,
+ },
};
static int __init pxa25x_init(void)
{
- int ret = 0;
+ int i, ret = 0;
+
+ /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
+ if (cpu_is_pxa25x())
+ clks_register(&pxa25x_hwuart_clk, 1);
if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
clks_register(pxa25x_clks, ARRAY_SIZE(pxa25x_clks));
if ((ret = pxa_init_dma(16)))
return ret;
-#ifdef CONFIG_PM
+
pxa25x_init_pm();
-#endif
+
+ for (i = 0; i < ARRAY_SIZE(pxa25x_sysdev); i++) {
+ ret = sysdev_register(&pxa25x_sysdev[i]);
+ if (ret)
+ pr_err("failed to register sysdev[%d]\n", i);
+ }
+
ret = platform_add_devices(pxa25x_devices,
ARRAY_SIZE(pxa25x_devices));
+ if (ret)
+ return ret;
}
+
/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
if (cpu_is_pxa25x())
ret = platform_device_register(&pxa_device_hwuart);
return ret;
}
-subsys_initcall(pxa25x_init);
+postcore_initcall(pxa25x_init);
projects / linux-2.6 / blobdiff