arch/sh/kernel/cpu/sh4a/setup-sh7734.c

Source file repositories/reference/linux-study-clean/arch/sh/kernel/cpu/sh4a/setup-sh7734.c

File Facts

System
Linux kernel
Corpus path
arch/sh/kernel/cpu/sh4a/setup-sh7734.c
Extension
.c
Size
14950 bytes
Lines
622
Domain
Architecture Layer
Bucket
arch/sh
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
/*
 * arch/sh/kernel/cpu/sh4a/setup-sh7734.c
 *
 * SH7734 Setup
 *
 * Copyright (C) 2011,2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
 * Copyright (C) 2011,2012 Renesas Solutions Corp.
 */

#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/io.h>
#include <asm/clock.h>
#include <asm/irq.h>
#include <asm/platform_early.h>
#include <cpu/sh7734.h>

/* SCIF */
static struct plat_sci_port scif0_platform_data = {
	.scscr          = SCSCR_REIE,
	.type           = PORT_SCIF,
	.regtype        = SCIx_SH4_SCIF_BRG_REGTYPE,
};

static struct resource scif0_resources[] = {
	DEFINE_RES_MEM(0xffe40000, 0x100),
	DEFINE_RES_IRQ(evt2irq(0x8c0)),
};

static struct platform_device scif0_device = {
	.name		= "sh-sci",
	.id		= 0,
	.resource	= scif0_resources,
	.num_resources	= ARRAY_SIZE(scif0_resources),
	.dev		= {
		.platform_data	= &scif0_platform_data,
	},
};

static struct plat_sci_port scif1_platform_data = {
	.scscr          = SCSCR_REIE,
	.type           = PORT_SCIF,
	.regtype        = SCIx_SH4_SCIF_BRG_REGTYPE,
};

static struct resource scif1_resources[] = {
	DEFINE_RES_MEM(0xffe41000, 0x100),
	DEFINE_RES_IRQ(evt2irq(0x8e0)),
};

static struct platform_device scif1_device = {
	.name		= "sh-sci",
	.id		= 1,
	.resource	= scif1_resources,
	.num_resources	= ARRAY_SIZE(scif1_resources),
	.dev		= {
		.platform_data = &scif1_platform_data,
	},
};

static struct plat_sci_port scif2_platform_data = {
	.scscr          = SCSCR_REIE,
	.type           = PORT_SCIF,
	.regtype        = SCIx_SH4_SCIF_BRG_REGTYPE,
};

static struct resource scif2_resources[] = {
	DEFINE_RES_MEM(0xffe42000, 0x100),
	DEFINE_RES_IRQ(evt2irq(0x900)),
};

static struct platform_device scif2_device = {
	.name		= "sh-sci",
	.id		= 2,
	.resource	= scif2_resources,
	.num_resources	= ARRAY_SIZE(scif2_resources),
	.dev		= {
		.platform_data = &scif2_platform_data,
	},
};

static struct plat_sci_port scif3_platform_data = {
	.scscr          = SCSCR_REIE | SCSCR_TOIE,
	.type           = PORT_SCIF,

Annotation

Implementation Notes