arch/arm/mach-omap2/cm3xxx.h

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/cm3xxx.h

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/cm3xxx.h
Extension
.h
Size
2273 bytes
Lines
77
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_CM3XXX_H
#define __ARCH_ASM_MACH_OMAP2_CM3XXX_H

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

#define OMAP34XX_CM_REGADDR(module, reg)				\
			OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))


/*
 * OMAP3-specific global CM registers
 * Use cm_{read,write}_reg() with these registers.
 * These registers appear once per CM module.
 */

#define OMAP3430_CM_SYSCONFIG		0x0010
#define OMAP3430_CM_POLCTRL		0x009c

#define OMAP3_CM_CLKOUT_CTRL_OFFSET	0x0070
#define OMAP3430_CM_CLKOUT_CTRL		OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)

/*
 * 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.
 */

/* OMAP3-specific register offsets */

#define OMAP3430_CM_CLKEN_PLL				0x0004
#define OMAP3430ES2_CM_CLKEN2				0x0004
#define OMAP3430ES2_CM_FCLKEN3				0x0008
#define OMAP3430_CM_IDLEST_PLL				CM_IDLEST2
#define OMAP3430_CM_AUTOIDLE_PLL			CM_AUTOIDLE2
#define OMAP3430ES2_CM_AUTOIDLE2_PLL			CM_AUTOIDLE2
#define OMAP3430_CM_CLKSEL1				CM_CLKSEL
#define OMAP3430_CM_CLKSEL1_PLL				CM_CLKSEL
#define OMAP3430_CM_CLKSEL2_PLL				CM_CLKSEL2
#define OMAP3430_CM_SLEEPDEP				CM_CLKSEL2
#define OMAP3430_CM_CLKSEL3				OMAP2_CM_CLKSTCTRL
#define OMAP3430_CM_CLKSTST				0x004c
#define OMAP3430ES2_CM_CLKSEL4				0x004c
#define OMAP3430ES2_CM_CLKSEL5				0x0050
#define OMAP3430_CM_CLKSEL2_EMU				0x0050
#define OMAP3430_CM_CLKSEL3_EMU				0x0054


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

#define OMAP34XX_CM_IDLEST_VAL				1


#ifndef __ASSEMBLER__

extern void omap3_cm_save_context(void);
extern void omap3_cm_restore_context(void);
extern void omap3_cm_save_scratchpad_contents(u32 *ptr);

int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data);

#endif

#endif

Annotation

Implementation Notes