arch/mips/bcm63xx/dev-wdt.c

Source file repositories/reference/linux-study-clean/arch/mips/bcm63xx/dev-wdt.c

File Facts

System
Linux kernel
Corpus path
arch/mips/bcm63xx/dev-wdt.c
Extension
.c
Size
1165 bytes
Lines
46
Domain
Architecture Layer
Bucket
arch/mips
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

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/platform_data/bcm7038_wdt.h>
#include <bcm63xx_cpu.h>

static struct resource wdt_resources[] = {
	{
		.start		= -1, /* filled at runtime */
		.end		= -1, /* filled at runtime */
		.flags		= IORESOURCE_MEM,
	},
};

static struct bcm7038_wdt_platform_data bcm63xx_wdt_pdata = {
	.clk_name	= "periph",
};

static struct platform_device bcm63xx_wdt_device = {
	.name		= "bcm63xx-wdt",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(wdt_resources),
	.resource	= wdt_resources,
	.dev		= {
		.platform_data = &bcm63xx_wdt_pdata,
	},
};

static int __init bcm63xx_wdt_register(void)
{
	wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT);
	wdt_resources[0].end = wdt_resources[0].start;
	wdt_resources[0].end += RSET_WDT_SIZE - 1;

	return platform_device_register(&bcm63xx_wdt_device);
}
arch_initcall(bcm63xx_wdt_register);

Annotation

Implementation Notes