arch/arm/mach-omap2/powerdomains44xx_data.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/powerdomains44xx_data.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/powerdomains44xx_data.c
Extension
.c
Size
9846 bytes
Lines
356
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
/*
 * OMAP4 Power domains framework
 *
 * Copyright (C) 2009-2011 Texas Instruments, Inc.
 * Copyright (C) 2009-2011 Nokia Corporation
 *
 * Abhijit Pagare (abhijitpagare@ti.com)
 * Benoit Cousson (b-cousson@ti.com)
 * Paul Walmsley (paul@pwsan.com)
 *
 * This file is automatically generated from the OMAP hardware databases.
 * We respectfully ask that any modifications to this file be coordinated
 * with the public linux-omap@vger.kernel.org mailing list and the
 * authors above to ensure that the autogeneration scripts are kept
 * up-to-date with the file contents.
 */

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

#include "powerdomain.h"

#include "prcm-common.h"
#include "prcm44xx.h"
#include "prm-regbits-44xx.h"
#include "prm44xx.h"
#include "prcm_mpu44xx.h"

/* core_44xx_pwrdm: CORE power domain */
static struct powerdomain core_44xx_pwrdm = {
	.name		  = "core_pwrdm",
	.voltdm		  = { .name = "core" },
	.prcm_offs	  = OMAP4430_PRM_CORE_INST,
	.prcm_partition	  = OMAP4430_PRM_PARTITION,
	.pwrsts		  = PWRSTS_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 5,
	.pwrsts_mem_ret	= {
		[0] = PWRSTS_OFF,	/* core_nret_bank */
		[1] = PWRSTS_RET,	/* core_ocmram */
		[2] = PWRSTS_RET,	/* core_other_bank */
		[3] = PWRSTS_OFF_RET,	/* ducati_l2ram */
		[4] = PWRSTS_OFF_RET,	/* ducati_unicache */
	},
	.pwrsts_mem_on	= {
		[0] = PWRSTS_ON,	/* core_nret_bank */
		[1] = PWRSTS_ON,	/* core_ocmram */
		[2] = PWRSTS_ON,	/* core_other_bank */
		[3] = PWRSTS_ON,	/* ducati_l2ram */
		[4] = PWRSTS_ON,	/* ducati_unicache */
	},
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

/* gfx_44xx_pwrdm: 3D accelerator power domain */
static struct powerdomain gfx_44xx_pwrdm = {
	.name		  = "gfx_pwrdm",
	.voltdm		  = { .name = "core" },
	.prcm_offs	  = OMAP4430_PRM_GFX_INST,
	.prcm_partition	  = OMAP4430_PRM_PARTITION,
	.pwrsts		  = PWRSTS_OFF_ON,
	.banks		  = 1,
	.pwrsts_mem_ret	= {
		[0] = PWRSTS_OFF,	/* gfx_mem */
	},
	.pwrsts_mem_on	= {
		[0] = PWRSTS_ON,	/* gfx_mem */
	},
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

/* abe_44xx_pwrdm: Audio back end power domain */
static struct powerdomain abe_44xx_pwrdm = {
	.name		  = "abe_pwrdm",
	.voltdm		  = { .name = "iva" },
	.prcm_offs	  = OMAP4430_PRM_ABE_INST,
	.prcm_partition	  = OMAP4430_PRM_PARTITION,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF,
	.banks		  = 2,
	.pwrsts_mem_ret	= {
		[0] = PWRSTS_RET,	/* aessmem */
		[1] = PWRSTS_OFF,	/* periphmem */
	},
	.pwrsts_mem_on	= {
		[0] = PWRSTS_ON,	/* aessmem */
		[1] = PWRSTS_ON,	/* periphmem */
	},
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,

Annotation

Implementation Notes