arch/arm/mach-omap2/clockdomains81xx_data.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/clockdomains81xx_data.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/clockdomains81xx_data.c
Extension
.c
Size
5889 bytes
Lines
215
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

// SPDX-License-Identifier: GPL-2.0-only
/*
 * TI81XX Clock Domain data.
 *
 * Copyright (C) 2010 Texas Instruments, Inc. - https://www.ti.com/
 * Copyright (C) 2013 SKTB SKiT, http://www.skitlab.ru/
 */

#ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_81XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_81XX_H

#include <linux/kernel.h>
#include <linux/io.h>

#include "clockdomain.h"
#include "cm81xx.h"

/*
 * Note that 814x seems to have HWSUP_SWSUP for many clockdomains
 * while 816x does not. According to the TRM, 816x only has HWSUP
 * for ALWON_L3_FAST. Also note that the TI tree clockdomains81xx.h
 * seems to have the related ifdef the wrong way around claiming
 * 816x supports HWSUP while 814x does not. For now, we only set
 * HWSUP for ALWON_L3_FAST as that seems to be supported for both
 * dm814x and dm816x.
 */

/* Common for 81xx */

static struct clockdomain alwon_l3_slow_81xx_clkdm = {
	.name		= "alwon_l3s_clkdm",
	.pwrdm		= { .name = "alwon_pwrdm" },
	.cm_inst	= TI81XX_CM_ALWON_MOD,
	.clkdm_offs	= TI81XX_CM_ALWON_L3_SLOW_CLKDM,
	.flags		= CLKDM_CAN_SWSUP,
};

static struct clockdomain alwon_l3_med_81xx_clkdm = {
	.name		= "alwon_l3_med_clkdm",
	.pwrdm		= { .name = "alwon_pwrdm" },
	.cm_inst	= TI81XX_CM_ALWON_MOD,
	.clkdm_offs	= TI81XX_CM_ALWON_L3_MED_CLKDM,
	.flags		= CLKDM_CAN_SWSUP,
};

static struct clockdomain alwon_l3_fast_81xx_clkdm = {
	.name		= "alwon_l3_fast_clkdm",
	.pwrdm		= { .name = "alwon_pwrdm" },
	.cm_inst	= TI81XX_CM_ALWON_MOD,
	.clkdm_offs	= TI81XX_CM_ALWON_L3_FAST_CLKDM,
	.flags		= CLKDM_CAN_HWSUP_SWSUP,
};

static struct clockdomain alwon_ethernet_81xx_clkdm = {
	.name		= "alwon_ethernet_clkdm",
	.pwrdm		= { .name = "alwon_pwrdm" },
	.cm_inst	= TI81XX_CM_ALWON_MOD,
	.clkdm_offs	= TI81XX_CM_ETHERNET_CLKDM,
	.flags		= CLKDM_CAN_SWSUP,
};

static struct clockdomain mmu_81xx_clkdm = {
	.name		= "mmu_clkdm",
	.pwrdm		= { .name = "alwon_pwrdm" },
	.cm_inst	= TI81XX_CM_ALWON_MOD,
	.clkdm_offs	= TI81XX_CM_MMU_CLKDM,
	.flags		= CLKDM_CAN_SWSUP,
};

static struct clockdomain mmu_cfg_81xx_clkdm = {
	.name		= "mmu_cfg_clkdm",
	.pwrdm		= { .name = "alwon_pwrdm" },
	.cm_inst	= TI81XX_CM_ALWON_MOD,
	.clkdm_offs	= TI81XX_CM_MMUCFG_CLKDM,
	.flags		= CLKDM_CAN_SWSUP,
};

static struct clockdomain default_l3_slow_81xx_clkdm = {
	.name		= "default_l3_slow_clkdm",
	.pwrdm		= { .name = "default_pwrdm" },
	.cm_inst	= TI81XX_CM_DEFAULT_MOD,
	.clkdm_offs	= TI816X_CM_DEFAULT_L3_SLOW_CLKDM,
	.flags		= CLKDM_CAN_SWSUP,
};

static struct clockdomain default_sata_81xx_clkdm = {
	.name		= "default_clkdm",
	.pwrdm		= { .name = "default_pwrdm" },
	.cm_inst	= TI81XX_CM_DEFAULT_MOD,
	.clkdm_offs	= TI816X_CM_DEFAULT_SATA_CLKDM,

Annotation

Implementation Notes