xref: /openbmc/linux/arch/arm/mach-omap1/flash.c (revision 578fad4d)
1561b036aSLadislav Michl /*
2561b036aSLadislav Michl  * Flash support for OMAP1
3561b036aSLadislav Michl  *
4561b036aSLadislav Michl  * This program is free software; you can redistribute it and/or modify
5561b036aSLadislav Michl  * it under the terms of the GNU General Public License version 2 as
6561b036aSLadislav Michl  * published by the Free Software Foundation.
7561b036aSLadislav Michl  */
8561b036aSLadislav Michl 
92e3ee9f4STony Lindgren #include <linux/io.h>
10561b036aSLadislav Michl #include <linux/mtd/mtd.h>
11561b036aSLadislav Michl #include <linux/mtd/map.h>
12561b036aSLadislav Michl 
13561b036aSLadislav Michl #include <plat/tc.h>
14578fad4dSTony Lindgren #include <mach/flash.h>
15561b036aSLadislav Michl 
162c799cefSTony Lindgren #include <mach/hardware.h>
172c799cefSTony Lindgren 
18667f390bSMarc Zyngier void omap1_set_vpp(struct platform_device *pdev, int enable)
19561b036aSLadislav Michl {
20561b036aSLadislav Michl 	u32 l;
21561b036aSLadislav Michl 
22561b036aSLadislav Michl 	l = omap_readl(EMIFS_CONFIG);
23876fe76dSPaul Parsons 	if (enable)
24561b036aSLadislav Michl 		l |= OMAP_EMIFS_CONFIG_WP;
25876fe76dSPaul Parsons 	else
26561b036aSLadislav Michl 		l &= ~OMAP_EMIFS_CONFIG_WP;
27561b036aSLadislav Michl 	omap_writel(l, EMIFS_CONFIG);
28561b036aSLadislav Michl }
29