xref: /linux/arch/arm/mach-omap1/flash.c (revision 93d90ad708b8da6efc0e487b66111aa9db7f70c7)
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/io.h>
10 #include <linux/mtd/mtd.h>
11 #include <linux/mtd/map.h>
12 
13 #include <mach/tc.h>
14 #include <mach/flash.h>
15 
16 #include <mach/hardware.h>
17 
18 void omap1_set_vpp(struct platform_device *pdev, int enable)
19 {
20 	u32 l;
21 
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);
28 }
29