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Diffstat (limited to 'arch/arm/mach-pxa/pxa27x.c')
-rw-r--r--arch/arm/mach-pxa/pxa27x.c116
1 files changed, 41 insertions, 75 deletions
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index d0f2b597db12..46a951c3e5a0 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -16,14 +16,17 @@
#include <linux/init.h>
#include <linux/suspend.h>
#include <linux/platform_device.h>
+#include <linux/sysdev.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/arch/irqs.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pm.h>
#include <asm/arch/dma.h>
+#include <asm/arch/i2c.h>
#include "generic.h"
#include "devices.h"
@@ -146,15 +149,16 @@ static struct clk pxa27x_clks[] = {
INIT_CKEN("MMCCLK", MMC, 19500000, 0, &pxa_device_mci.dev),
INIT_CKEN("FICPCLK", FICP, 48000000, 0, &pxa_device_ficp.dev),
- INIT_CKEN("USBCLK", USB, 48000000, 0, &pxa27x_device_ohci.dev),
+ INIT_CKEN("USBCLK", USBHOST, 48000000, 0, &pxa27x_device_ohci.dev),
INIT_CKEN("I2CCLK", PWRI2C, 13000000, 0, &pxa27x_device_i2c_power.dev),
INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, NULL),
+ INIT_CKEN("SSPCLK", SSP1, 13000000, 0, &pxa27x_device_ssp1.dev),
+ INIT_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev),
+ INIT_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev),
+
/*
INIT_CKEN("PWMCLK", PWM0, 13000000, 0, NULL),
- INIT_CKEN("SSPCLK", SSP1, 13000000, 0, NULL),
- INIT_CKEN("SSPCLK", SSP2, 13000000, 0, NULL),
- INIT_CKEN("SSPCLK", SSP3, 13000000, 0, NULL),
INIT_CKEN("MSLCLK", MSL, 48000000, 0, NULL),
INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL),
INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL),
@@ -168,11 +172,6 @@ static struct clk pxa27x_clks[] = {
#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
@@ -180,10 +179,6 @@ static struct clk pxa27x_clks[] = {
*/
enum { SLEEP_SAVE_START = 0,
- SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2, SLEEP_SAVE_GPLR3,
- SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2, SLEEP_SAVE_GPDR3,
- SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2, SLEEP_SAVE_GRER3,
- SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2, SLEEP_SAVE_GFER3,
SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
@@ -193,7 +188,6 @@ enum { SLEEP_SAVE_START = 0,
SLEEP_SAVE_PSTR,
- SLEEP_SAVE_ICMR,
SLEEP_SAVE_CKEN,
SLEEP_SAVE_MDREFR,
@@ -205,10 +199,6 @@ enum { SLEEP_SAVE_START = 0,
void pxa27x_cpu_pm_save(unsigned long *sleep_save)
{
- SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2); SAVE(GPLR3);
- SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2); SAVE(GPDR3);
- SAVE(GRER0); SAVE(GRER1); SAVE(GRER2); SAVE(GRER3);
- SAVE(GFER0); SAVE(GFER1); SAVE(GFER2); SAVE(GFER3);
SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2); SAVE(PGSR3);
SAVE(GAFR0_L); SAVE(GAFR0_U);
@@ -220,12 +210,8 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save)
SAVE(PWER); SAVE(PCFR); SAVE(PRER);
SAVE(PFER); SAVE(PKWR);
- SAVE(ICMR); ICMR = 0;
SAVE(CKEN);
SAVE(PSTR);
-
- /* Clear GPIO transition detect bits */
- GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2; GEDR3 = GEDR3;
}
void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
@@ -234,15 +220,10 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
PSPR = 0;
/* restore registers */
- RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1);
- RESTORE_GPLEVEL(2); RESTORE_GPLEVEL(3);
- RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GPDR3);
RESTORE(GAFR0_L); RESTORE(GAFR0_U);
RESTORE(GAFR1_L); RESTORE(GAFR1_U);
RESTORE(GAFR2_L); RESTORE(GAFR2_U);
RESTORE(GAFR3_L); RESTORE(GAFR3_U);
- RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GRER3);
- RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(GFER3);
RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); RESTORE(PGSR3);
RESTORE(MDREFR);
@@ -253,9 +234,6 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
RESTORE(CKEN);
- ICLR = 0;
- ICCR = 1;
- RESTORE(ICMR);
RESTORE(PSTR);
}
@@ -263,12 +241,6 @@ void pxa27x_cpu_pm_enter(suspend_state_t state)
{
extern void pxa_cpu_standby(void);
- if (state == PM_SUSPEND_STANDBY)
- CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER) |
- (1 << CKEN_LCD) | (1 << CKEN_PWM0);
- else
- CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER);
-
/* ensure voltage-change sequencer not initiated, which hangs */
PCFR &= ~PCFR_FVC;
@@ -304,6 +276,8 @@ static void __init pxa27x_init_pm(void)
{
pxa_cpu_pm_fns = &pxa27x_cpu_pm_fns;
}
+#else
+static inline void pxa27x_init_pm(void) {}
#endif
/* PXA27x: Various gpios can issue wakeup events. This logic only
@@ -373,37 +347,6 @@ void __init pxa27x_init_irq(void)
* device registration specific to PXA27x.
*/
-static u64 pxa27x_dmamask = 0xffffffffUL;
-
-static struct resource pxa27x_ohci_resources[] = {
- [0] = {
- .start = 0x4C000000,
- .end = 0x4C00ff6f,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_USBH1,
- .end = IRQ_USBH1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-struct platform_device pxa27x_device_ohci = {
- .name = "pxa27x-ohci",
- .id = -1,
- .dev = {
- .dma_mask = &pxa27x_dmamask,
- .coherent_dma_mask = 0xffffffff,
- },
- .num_resources = ARRAY_SIZE(pxa27x_ohci_resources),
- .resource = pxa27x_ohci_resources,
-};
-
-void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
-{
- pxa27x_device_ohci.dev.platform_data = info;
-}
-
static struct resource i2c_power_resources[] = {
{
.start = 0x40f00180,
@@ -423,34 +366,57 @@ struct platform_device pxa27x_device_i2c_power = {
.num_resources = ARRAY_SIZE(i2c_power_resources),
};
+void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info)
+{
+ pxa27x_device_i2c_power.dev.platform_data = info;
+}
+
static struct platform_device *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,
&pxa27x_device_i2c_power,
- &pxa27x_device_ohci,
+ &pxa27x_device_ssp1,
+ &pxa27x_device_ssp2,
+ &pxa27x_device_ssp3,
+};
+
+static struct sys_device pxa27x_sysdev[] = {
+ {
+ .id = 0,
+ .cls = &pxa_irq_sysclass,
+ }, {
+ .id = 1,
+ .cls = &pxa_irq_sysclass,
+ }, {
+ .cls = &pxa_gpio_sysclass,
+ },
};
static int __init pxa27x_init(void)
{
- int ret = 0;
+ int i, ret = 0;
+
if (cpu_is_pxa27x()) {
clks_register(pxa27x_clks, ARRAY_SIZE(pxa27x_clks));
if ((ret = pxa_init_dma(32)))
return ret;
-#ifdef CONFIG_PM
+
pxa27x_init_pm();
-#endif
+
+ for (i = 0; i < ARRAY_SIZE(pxa27x_sysdev); i++) {
+ ret = sysdev_register(&pxa27x_sysdev[i]);
+ if (ret)
+ pr_err("failed to register sysdev[%d]\n", i);
+ }
+
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
}
+
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-19 17:28:42 +0000