xref: /OK3568_Linux_fs/kernel/arch/arm/mach-omap1/flash.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Flash support for OMAP1
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <linux/io.h>
7*4882a593Smuzhiyun #include <linux/mtd/mtd.h>
8*4882a593Smuzhiyun #include <linux/mtd/map.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <mach/tc.h>
11*4882a593Smuzhiyun #include "flash.h"
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <mach/hardware.h>
14*4882a593Smuzhiyun 
omap1_set_vpp(struct platform_device * pdev,int enable)15*4882a593Smuzhiyun void omap1_set_vpp(struct platform_device *pdev, int enable)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun 	u32 l;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	l = omap_readl(EMIFS_CONFIG);
20*4882a593Smuzhiyun 	if (enable)
21*4882a593Smuzhiyun 		l |= OMAP_EMIFS_CONFIG_WP;
22*4882a593Smuzhiyun 	else
23*4882a593Smuzhiyun 		l &= ~OMAP_EMIFS_CONFIG_WP;
24*4882a593Smuzhiyun 	omap_writel(l, EMIFS_CONFIG);
25*4882a593Smuzhiyun }
26