arch/arm/mach-omap1/pm.h

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap1/pm.h

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap1/pm.h
Extension
.h
Size
7500 bytes
Lines
238
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __ARCH_ARM_MACH_OMAP1_PM_H
#define __ARCH_ARM_MACH_OMAP1_PM_H

#include <linux/soc/ti/omap1-io.h>

/*
 * ----------------------------------------------------------------------------
 * Register and offset definitions to be used in PM assembler code
 * ----------------------------------------------------------------------------
 */
#define CLKGEN_REG_ASM_BASE		OMAP1_IO_ADDRESS(0xfffece00)
#define ARM_IDLECT1_ASM_OFFSET		0x04
#define ARM_IDLECT2_ASM_OFFSET		0x08

#define TCMIF_ASM_BASE			OMAP1_IO_ADDRESS(0xfffecc00)
#define EMIFS_CONFIG_ASM_OFFSET		0x0c
#define EMIFF_SDRAM_CONFIG_ASM_OFFSET	0x20

/*
 * ----------------------------------------------------------------------------
 * Power management bitmasks
 * ----------------------------------------------------------------------------
 */
#define IDLE_WAIT_CYCLES		0x00000fff
#define PERIPHERAL_ENABLE		0x2

#define SELF_REFRESH_MODE		0x0c000001
#define IDLE_EMIFS_REQUEST		0xc
#define MODEM_32K_EN			0x1
#define PER_EN				0x1

#define CPU_SUSPEND_SIZE		200
#define ULPD_LOW_PWR_EN			0x0001
#define ULPD_DEEP_SLEEP_TRANSITION_EN	0x0010
#define ULPD_SETUP_ANALOG_CELL_3_VAL	0
#define ULPD_POWER_CTRL_REG_VAL		0x0219

#define DSP_IDLE_DELAY			10
#define DSP_IDLE			0x0040
#define DSP_RST				0x0004
#define DSP_ENABLE			0x0002
#define SUFFICIENT_DSP_RESET_TIME	1000
#define DEFAULT_MPUI_CONFIG		0x05cf
#define ENABLE_XORCLK			0x2
#define DSP_CLOCK_ENABLE		0x2000
#define DSP_IDLE_MODE			0x2
#define TC_IDLE_REQUEST			(0x0000000c)

#define IRQ_LEVEL2			(1<<0)
#define IRQ_KEYBOARD			(1<<1)
#define IRQ_UART2			(1<<15)

#define PDE_BIT				0x08
#define PWD_EN_BIT			0x04
#define EN_PERCK_BIT			0x04

#define OMAP1510_DEEP_SLEEP_REQUEST	0x0ec7
#define OMAP1510_BIG_SLEEP_REQUEST	0x0cc5
#define OMAP1510_IDLE_LOOP_REQUEST	0x0c00
#define OMAP1510_IDLE_CLOCK_DOMAINS	0x2

/* Both big sleep and deep sleep use same values. Difference is in ULPD. */
#define OMAP1610_IDLECT1_SLEEP_VAL	0x13c7
#define OMAP1610_IDLECT2_SLEEP_VAL	0x09c7
#define OMAP1610_IDLECT3_VAL		0x3f
#define OMAP1610_IDLECT3_SLEEP_ORMASK	0x2c
#define OMAP1610_IDLECT3		0xfffece24
#define OMAP1610_IDLE_LOOP_REQUEST	0x0400

#ifndef __ASSEMBLER__

#include <linux/clk.h>

extern struct kset power_subsys;

extern void prevent_idle_sleep(void);
extern void allow_idle_sleep(void);

extern void omap1_pm_idle(void);
extern void omap1_pm_suspend(void);

extern void omap1510_cpu_suspend(unsigned long, unsigned long);
extern void omap1610_cpu_suspend(unsigned long, unsigned long);

extern unsigned int omap1510_cpu_suspend_sz;
extern unsigned int omap1610_cpu_suspend_sz;

#ifdef CONFIG_OMAP_SERIAL_WAKE
extern void omap_serial_wake_trigger(int enable);
#else

Annotation

Implementation Notes