2  * linux/arch/arm/mach-omap1/pm.c
55 #include <linux/soc/ti/omap1-io.h>
57 #include <linux/omap-dma.h>
58 #include <clocksource/timer-ti-dm.h>
91 		return -EINVAL;  in idle_store()
163 	 * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade,  in omap_pm_wakeup_setup()
166 	 * wake up to a GPIO interrupt.  in omap_pm_wakeup_setup()
213 	 * Step 1: turn off interrupts (FIXME: NOTE: already disabled)  in omap1_pm_suspend()
220 	 * Step 2: save registers  in omap1_pm_suspend()
263 	/* (Step 3 removed - we now allow deep sleep by default) */  in omap1_pm_suspend()
266 	 * Step 4: OMAP DSP Shutdown  in omap1_pm_suspend()
285 	 * Step 5: Wakeup Event Setup  in omap1_pm_suspend()
291 	 * Step 6: ARM and Traffic controller shutdown  in omap1_pm_suspend()
299 	 * Step 6b: ARM and Traffic controller shutdown  in omap1_pm_suspend()
301 	 * Step 6 continues here. Prepare jump to power management  in omap1_pm_suspend()
307 	 * them when it wakes up and it will return.  in omap1_pm_suspend()
314 	 * Step 6c: ARM and Traffic controller shutdown  in omap1_pm_suspend()
317 	 * until wake up.  in omap1_pm_suspend()
322 	 * If we are here, processor is woken up!  in omap1_pm_suspend()
375 	 * Re-enable interrupts  in omap1_pm_suspend()
383 	printk(KERN_INFO "PM: OMAP%x is re-starting from deep sleep...\n",  in omap1_pm_suspend()
427 		   "ARM_CKCTL_REG:            0x%-8x     \n"  in omap_pm_debug_show()
428 		   "ARM_IDLECT1_REG:          0x%-8x     \n"  in omap_pm_debug_show()
429 		   "ARM_IDLECT2_REG:          0x%-8x     \n"  in omap_pm_debug_show()
430 		   "ARM_IDLECT3_REG:	      0x%-8x     \n"  in omap_pm_debug_show()
431 		   "ARM_EWUPCT_REG:           0x%-8x     \n"  in omap_pm_debug_show()
432 		   "ARM_RSTCT1_REG:           0x%-8x     \n"  in omap_pm_debug_show()
433 		   "ARM_RSTCT2_REG:           0x%-8x     \n"  in omap_pm_debug_show()
434 		   "ARM_SYSST_REG:            0x%-8x     \n"  in omap_pm_debug_show()
435 		   "ULPD_IT_STATUS_REG:       0x%-4x     \n"  in omap_pm_debug_show()
436 		   "ULPD_CLOCK_CTRL_REG:      0x%-4x     \n"  in omap_pm_debug_show()
437 		   "ULPD_SOFT_REQ_REG:        0x%-4x     \n"  in omap_pm_debug_show()
438 		   "ULPD_DPLL_CTRL_REG:       0x%-4x     \n"  in omap_pm_debug_show()
439 		   "ULPD_STATUS_REQ_REG:      0x%-4x     \n"  in omap_pm_debug_show()
440 		   "ULPD_POWER_CTRL_REG:      0x%-4x     \n",  in omap_pm_debug_show()
458 			   "MPUI1510_CTRL_REG             0x%-8x \n"  in omap_pm_debug_show()
459 			   "MPUI1510_DSP_STATUS_REG:      0x%-8x \n"  in omap_pm_debug_show()
460 			   "MPUI1510_DSP_BOOT_CONFIG_REG: 0x%-8x \n"  in omap_pm_debug_show()
461 			   "MPUI1510_DSP_API_CONFIG_REG:  0x%-8x \n"  in omap_pm_debug_show()
462 			   "MPUI1510_SDRAM_CONFIG_REG:    0x%-8x \n"  in omap_pm_debug_show()
463 			   "MPUI1510_EMIFS_CONFIG_REG:    0x%-8x \n",  in omap_pm_debug_show()
472 			   "MPUI1610_CTRL_REG             0x%-8x \n"  in omap_pm_debug_show()
473 			   "MPUI1610_DSP_STATUS_REG:      0x%-8x \n"  in omap_pm_debug_show()
474 			   "MPUI1610_DSP_BOOT_CONFIG_REG: 0x%-8x \n"  in omap_pm_debug_show()
475 			   "MPUI1610_DSP_API_CONFIG_REG:  0x%-8x \n"  in omap_pm_debug_show()
476 			   "MPUI1610_SDRAM_CONFIG_REG:    0x%-8x \n"  in omap_pm_debug_show()
477 			   "MPUI1610_EMIFS_CONFIG_REG:    0x%-8x \n",  in omap_pm_debug_show()
503  *	omap_pm_prepare - Do preliminary suspend work.
515  *	omap_pm_enter - Actually enter a sleep state.
528 		return -EINVAL;  in omap_pm_enter()
536  *	omap_pm_finish - Finish up suspend sequence.
538  *	This is called after we wake back up (or if entering the sleep state
568 		return -ENODEV;  in omap_pm_init()
588 	 * memory the MPU can see when it wakes up.  in omap_pm_init()
600 		return -ENODEV;  in omap_pm_init()
608 		irq = -1;  in omap_pm_init()
615 	/* Program new power ramp-up time  in omap_pm_init()
620 	/* Setup ULPD POWER_CTRL_REG - enter deep sleep whenever possible */  in omap_pm_init()