arch/arm/mach-omap1/flash.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap1/flash.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap1/flash.c
Extension
.c
Size
440 bytes
Lines
27
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
/*
 * Flash support for OMAP1
 */

#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/soc/ti/omap1-io.h>

#include "tc.h"

#include "flash.h"


void omap1_set_vpp(struct platform_device *pdev, int enable)
{
	u32 l;

	l = omap_readl(EMIFS_CONFIG);
	if (enable)
		l |= OMAP_EMIFS_CONFIG_WP;
	else
		l &= ~OMAP_EMIFS_CONFIG_WP;
	omap_writel(l, EMIFS_CONFIG);
}

Annotation

Implementation Notes