arch/arm/mach-omap1/flash.c

   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 "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 }