arch/arm/mach-omap1/flash.c

   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
  16 void 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 }