1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Flash support for OMAP1
 
 
 
 
 4 */
 5
 6#include <linux/io.h>
 7#include <linux/mtd/mtd.h>
 8#include <linux/mtd/map.h>
 9#include <linux/soc/ti/omap1-io.h>
10
11#include "tc.h"
12
13#include "flash.h"
14
 
 
 
15
16void omap1_set_vpp(struct platform_device *pdev, int enable)
17{
 
18	u32 l;
19
20	l = omap_readl(EMIFS_CONFIG);
21	if (enable)
22		l |= OMAP_EMIFS_CONFIG_WP;
23	else
24		l &= ~OMAP_EMIFS_CONFIG_WP;
25	omap_writel(l, EMIFS_CONFIG);
 
 
 
 
 
 
 
26}

 
 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
 
 9#include <linux/mtd/mtd.h>
10#include <linux/mtd/map.h>
 
 
 
 
 
11
12#include <plat/io.h>
13#include <plat/tc.h>
14#include <plat/flash.h>
15
16void omap1_set_vpp(struct platform_device *pdev, int enable)
17{
18	static int count;
19	u32 l;
20
21	if (enable) {
22		if (count++ == 0) {
23			l = omap_readl(EMIFS_CONFIG);
24			l |= OMAP_EMIFS_CONFIG_WP;
25			omap_writel(l, EMIFS_CONFIG);
26		}
27	} else {
28		if (count && (--count == 0)) {
29			l = omap_readl(EMIFS_CONFIG);
30			l &= ~OMAP_EMIFS_CONFIG_WP;
31			omap_writel(l, EMIFS_CONFIG);
32		}
33	}
34}