diff options
Diffstat (limited to 'arch/arm/mach-pxa/pxa27x.c')
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 114 |
1 files changed, 40 insertions, 74 deletions
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 8e126e6b74c..46a951c3e5a 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" @@ -150,11 +153,12 @@ static struct clk pxa27x_clks[] = { 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; } |