xref: /openbmc/linux/arch/arm/mach-omap1/flash.c (revision 7e0a9e62)
1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2561b036aSLadislav Michl /*
3561b036aSLadislav Michl  * Flash support for OMAP1
4561b036aSLadislav Michl  */
5561b036aSLadislav Michl 
62e3ee9f4STony Lindgren #include <linux/io.h>
7561b036aSLadislav Michl #include <linux/mtd/mtd.h>
8561b036aSLadislav Michl #include <linux/mtd/map.h>
9*7e0a9e62SArnd Bergmann #include <linux/soc/ti/omap1-io.h>
10561b036aSLadislav Michl 
11*7e0a9e62SArnd Bergmann #include "tc.h"
12*7e0a9e62SArnd Bergmann 
13100f9638SArnd Bergmann #include "flash.h"
14561b036aSLadislav Michl 
152c799cefSTony Lindgren 
omap1_set_vpp(struct platform_device * pdev,int enable)16667f390bSMarc Zyngier void omap1_set_vpp(struct platform_device *pdev, int enable)
17561b036aSLadislav Michl {
18561b036aSLadislav Michl 	u32 l;
19561b036aSLadislav Michl 
20561b036aSLadislav Michl 	l = omap_readl(EMIFS_CONFIG);
21876fe76dSPaul Parsons 	if (enable)
22561b036aSLadislav Michl 		l |= OMAP_EMIFS_CONFIG_WP;
23876fe76dSPaul Parsons 	else
24561b036aSLadislav Michl 		l &= ~OMAP_EMIFS_CONFIG_WP;
25561b036aSLadislav Michl 	omap_writel(l, EMIFS_CONFIG);
26561b036aSLadislav Michl }
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