Commit | Line | Data |
---|---|---|
561b036a LM |
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/mtd/mtd.h> | |
10 | #include <linux/mtd/map.h> | |
11 | ||
12 | #include <plat/io.h> | |
13 | #include <plat/tc.h> | |
706afdda | 14 | #include <plat/flash.h> |
561b036a LM |
15 | |
16 | void omap1_set_vpp(struct map_info *map, int enable) | |
17 | { | |
18 | static int count; | |
19 | u32 l; | |
20 | ||
21 | if (enable) { | |
22 | if (count++ == 0) { | |
23 | l = omap_readl(EMIFS_CONFIG); | |
24 | l |= OMAP_EMIFS_CONFIG_WP; | |
25 | omap_writel(l, EMIFS_CONFIG); | |
26 | } | |
27 | } else { | |
28 | if (count && (--count == 0)) { | |
29 | l = omap_readl(EMIFS_CONFIG); | |
30 | l &= ~OMAP_EMIFS_CONFIG_WP; | |
31 | omap_writel(l, EMIFS_CONFIG); | |
32 | } | |
33 | } | |
34 | } |