arch/arm/mach-omap2/omap_hwmod_2430_data.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap2/omap_hwmod_2430_data.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap2/omap_hwmod_2430_data.c
Extension
.c
Size
15330 bytes
Lines
607
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
/*
 * omap_hwmod_2430_data.c - hardware modules present on the OMAP2430 chips
 *
 * Copyright (C) 2009-2011 Nokia Corporation
 * Copyright (C) 2012 Texas Instruments, Inc.
 * Paul Walmsley
 *
 * XXX handle crossbar/shared link difference for L3?
 * XXX these should be marked initdata for multi-OMAP kernels
 */

#include <linux/platform_data/i2c-omap.h>
#include <linux/platform_data/hsmmc-omap.h>

#include "omap_hwmod.h"
#include "l3_2xxx.h"

#include "soc.h"
#include "omap_hwmod_common_data.h"
#include "prm-regbits-24xx.h"
#include "cm-regbits-24xx.h"
#include "i2c.h"
#include "wd_timer.h"

/*
 * OMAP2430 hardware module integration data
 *
 * All of the data in this section should be autogeneratable from the
 * TI hardware database or other technical documentation.  Data that
 * is driver-specific or driver-kernel integration-specific belongs
 * elsewhere.
 */

/*
 * IP blocks
 */

/* IVA2 (IVA2) */
static struct omap_hwmod_rst_info omap2430_iva_resets[] = {
	{ .name = "logic", .rst_shift = 0 },
	{ .name = "mmu", .rst_shift = 1 },
};

static struct omap_hwmod omap2430_iva_hwmod = {
	.name		= "iva",
	.class		= &iva_hwmod_class,
	.clkdm_name	= "dsp_clkdm",
	.rst_lines	= omap2430_iva_resets,
	.rst_lines_cnt	= ARRAY_SIZE(omap2430_iva_resets),
	.main_clk	= "dsp_fck",
};

/* I2C common */
static struct omap_hwmod_class_sysconfig i2c_sysc = {
	.rev_offs	= 0x00,
	.sysc_offs	= 0x20,
	.syss_offs	= 0x10,
	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
			   SYSS_HAS_RESET_STATUS),
	.sysc_fields	= &omap_hwmod_sysc_type1,
};

static struct omap_hwmod_class i2c_class = {
	.name		= "i2c",
	.sysc		= &i2c_sysc,
	.reset		= &omap_i2c_reset,
};

/* I2C1 */
static struct omap_hwmod omap2430_i2c1_hwmod = {
	.name		= "i2c1",
	.flags		= HWMOD_16BIT_REG,
	.main_clk	= "i2chs1_fck",
	.prcm		= {
		.omap2 = {
			/*
			 * NOTE: The CM_FCLKEN* and CM_ICLKEN* for
			 * I2CHS IP's do not follow the usual pattern.
			 * prcm_reg_id alone cannot be used to program
			 * the iclk and fclk. Needs to be handled using
			 * additional flags when clk handling is moved
			 * to hwmod framework.
			 */
			.module_offs = CORE_MOD,
			.idlest_reg_id = 1,
			.idlest_idle_bit = OMAP2430_ST_I2CHS1_SHIFT,
		},
	},
	.class		= &i2c_class,

Annotation

Implementation Notes