arch/sh/kernel/cpu/sh4a/setup-sh7763.c

Source file repositories/reference/linux-study-clean/arch/sh/kernel/cpu/sh4a/setup-sh7763.c

File Facts

System
Linux kernel
Corpus path
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
Extension
.c
Size
13348 bytes
Lines
456
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
/*
 * SH7763 Setup
 *
 *  Copyright (C) 2006  Paul Mundt
 *  Copyright (C) 2007  Yoshihiro Shimoda
 *  Copyright (C) 2008, 2009  Nobuhiro Iwamatsu
 */
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/usb/ohci_pdriver.h>
#include <asm/platform_early.h>

static struct plat_sci_port scif0_platform_data = {
	.scscr		= SCSCR_REIE,
	.type		= PORT_SCIF,
	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};

static struct resource scif0_resources[] = {
	DEFINE_RES_MEM(0xffe00000, 0x100),
	DEFINE_RES_IRQ(evt2irq(0x700)),
};

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_FIFODATA_REGTYPE,
};

static struct resource scif1_resources[] = {
	DEFINE_RES_MEM(0xffe08000, 0x100),
	DEFINE_RES_IRQ(evt2irq(0xb80)),
};

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_FIFODATA_REGTYPE,
};

static struct resource scif2_resources[] = {
	DEFINE_RES_MEM(0xffe10000, 0x100),
	DEFINE_RES_IRQ(evt2irq(0xf00)),
};

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 resource rtc_resources[] = {
	[0] = {
		.start	= 0xffe80000,
		.end	= 0xffe80000 + 0x58 - 1,
		.flags	= IORESOURCE_IO,
	},
	[1] = {
		/* Shared Period/Carry/Alarm IRQ */
		.start  = evt2irq(0x480),

Annotation

Implementation Notes