arch/arm/mach-omap2/cm2xxx.h

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/cm2xxx.h

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/cm2xxx.h
Extension
.h
Size
1816 bytes
Lines
61
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_ASM_MACH_OMAP2_CM2XXX_H
#define __ARCH_ASM_MACH_OMAP2_CM2XXX_H

#include "prcm-common.h"
#include "cm2xxx_3xxx.h"

#define OMAP2420_CM_REGADDR(module, reg)				\
			OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
#define OMAP2430_CM_REGADDR(module, reg)				\
			OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))

/*
 * Module specific CM register offsets from CM_BASE + domain offset
 * Use cm_{read,write}_mod_reg() with these registers.
 * These register offsets generally appear in more than one PRCM submodule.
 */

/* OMAP2-specific register offsets */

#define OMAP24XX_CM_FCLKEN2				0x0004
#define OMAP24XX_CM_ICLKEN4				0x001c
#define OMAP24XX_CM_AUTOIDLE4				0x003c
#define OMAP24XX_CM_IDLEST4				0x002c

/* CM_IDLEST bit field values to indicate deasserted IdleReq */

#define OMAP24XX_CM_IDLEST_VAL				0


/* Clock management domain register get/set */

#ifndef __ASSEMBLER__

extern void omap2xxx_cm_set_dpll_disable_autoidle(void);
extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void);

extern int omap2xxx_cm_fclks_active(void);
extern int omap2xxx_cm_mpu_retention_allowed(void);
extern u32 omap2xxx_cm_get_core_clk_src(void);
extern u32 omap2xxx_cm_get_core_pll_config(void);
extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core,
					 u32 mdm);

int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data);

#endif

#endif

Annotation

Implementation Notes