linux/arch/arm/mach-omap1/flash.c
Tony Lindgren 2e3ee9f45b ARM: OMAP1: Move most of plat/io.h into local iomap.h
There's no need to have these in plat/io.h.

While at it, clean up the includes to group them
like they typically are grouped.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-02-24 10:34:34 -08:00

35 lines
725 B
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 <plat/tc.h>
#include <plat/flash.h>
void omap1_set_vpp(struct platform_device *pdev, int enable)
{
static int count;
u32 l;
if (enable) {
if (count++ == 0) {
l = omap_readl(EMIFS_CONFIG);
l |= OMAP_EMIFS_CONFIG_WP;
omap_writel(l, EMIFS_CONFIG);
}
} else {
if (count && (--count == 0)) {
l = omap_readl(EMIFS_CONFIG);
l &= ~OMAP_EMIFS_CONFIG_WP;
omap_writel(l, EMIFS_CONFIG);
}
}
}