[mirror_ubuntu-zesty-kernel.git] / arch / arm / mach-omap1 / flash.c

/*
 * Flash support for OMAP1
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>

#include <mach/tc.h>
#include "flash.h"

#include <mach/hardware.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);
}
Commit	Line	Data
561b036a LM	1	/*
	2	* Flash support for OMAP1
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8
2e3ee9f4	9	#include <linux/io.h>
561b036a LM	10	#include <linux/mtd/mtd.h>
	11	#include <linux/mtd/map.h>
	12
54b693d4	13	#include <mach/tc.h>
100f9638	14	#include "flash.h"
561b036a	15
2c799cef TL	16	#include <mach/hardware.h>
2c799cef TL	17
667f390b	18	void omap1_set_vpp(struct platform_device *pdev, int enable)
561b036a	19	{
561b036a LM	20	u32 l;
561b036a LM	21
876fe76d PP	22	l = omap_readl(EMIFS_CONFIG);
	23	if (enable)
	24	l \|= OMAP_EMIFS_CONFIG_WP;
	25	else
	26	l &= ~OMAP_EMIFS_CONFIG_WP;
	27	omap_writel(l, EMIFS_CONFIG);
561b036a	28	}