arch/arm/mach-omap2/powerdomains2xxx_data.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/powerdomains2xxx_data.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/powerdomains2xxx_data.c
Extension
.c
Size
2855 bytes
Lines
135
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
/*
 * OMAP2XXX powerdomain definitions
 *
 * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
 * Copyright (C) 2007-2011 Nokia Corporation
 *
 * Paul Walmsley, Jouni Högander
 */

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

#include "soc.h"
#include "powerdomain.h"
#include "powerdomains2xxx_3xxx_data.h"

#include "prcm-common.h"
#include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h"

/* 24XX powerdomains and dependencies */

/* Powerdomains */

static struct powerdomain dsp_pwrdm = {
	.name		  = "dsp_pwrdm",
	.prcm_offs	  = OMAP24XX_DSP_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET,
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,
	},
	.voltdm		  = { .name = "core" },
};

static struct powerdomain mpu_24xx_pwrdm = {
	.name		  = "mpu_pwrdm",
	.prcm_offs	  = MPU_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET,
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_ON,
	},
	.voltdm		  = { .name = "core" },
};

static struct powerdomain core_24xx_pwrdm = {
	.name		  = "core_pwrdm",
	.prcm_offs	  = CORE_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_RET,
	.banks		  = 3,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */
		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */
		[2] = PWRSTS_OFF_RET,	 /* MEM3RETSTATE */
	},
	.pwrsts_mem_on	  = {
		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
		[2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */
	},
	.voltdm		  = { .name = "core" },
};


/*
 * 2430-specific powerdomains
 */

/* XXX 2430 KILLDOMAINWKUP bit?  No current users apparently */

static struct powerdomain mdm_pwrdm = {
	.name		  = "mdm_pwrdm",
	.prcm_offs	  = OMAP2430_MDM_MOD,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_RET,
	.banks		  = 1,
	.pwrsts_mem_ret	  = {
		[0] = PWRSTS_RET, /* MEMRETSTATE */
	},

Annotation

Implementation Notes