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authorLadislav Michl <ladis@linux-mips.org>2010-02-15 13:03:32 -0500
committerTony Lindgren <tony@atomide.com>2010-02-15 13:03:32 -0500
commit561b036ad9d0b4f0cd311d2e38025919c2cb437f (patch)
tree15c141467fe33e879a539b418e3131dd6d0910b1 /arch/arm/mach-omap1/flash.c
parentfd17a25fe9423bbde16a326466330ad486321dfc (diff)
omap: convert boards to use physmap-flash
Convert OMAP based boards to use physmap-flash. Refreshed against today's Linux omap kernel tree Cc: linux-mtd@lists.infradead.org Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1/flash.c')
-rw-r--r--arch/arm/mach-omap1/flash.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/flash.c b/arch/arm/mach-omap1/flash.c
new file mode 100644
index 000000000000..0b07a78eeaa7
--- /dev/null
+++ b/arch/arm/mach-omap1/flash.c
@@ -0,0 +1,33 @@
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>
14
15void omap1_set_vpp(struct map_info *map, int enable)
16{
17 static int count;
18 u32 l;
19
20 if (enable) {
21 if (count++ == 0) {
22 l = omap_readl(EMIFS_CONFIG);
23 l |= OMAP_EMIFS_CONFIG_WP;
24 omap_writel(l, EMIFS_CONFIG);
25 }
26 } else {
27 if (count && (--count == 0)) {
28 l = omap_readl(EMIFS_CONFIG);
29 l &= ~OMAP_EMIFS_CONFIG_WP;
30 omap_writel(l, EMIFS_CONFIG);
31 }
32 }
33}