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author | Ingo Molnar <mingo@elte.hu> | 2010-04-02 20:02:55 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-04-02 20:03:08 +0200 |
commit | c9494727cf293ae2ec66af57547a3e79c724fec2 (patch) | |
tree | 44ae197b64fa7530ee695a90ad31326dda06f1e1 /arch/arm/mach-omap1/flash.c | |
parent | 6427462bfa50f50dc6c088c07037264fcc73eca1 (diff) | |
parent | 42be79e37e264557f12860fa4cc84b4de3685954 (diff) |
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap1/flash.c')
-rw-r--r-- | arch/arm/mach-omap1/flash.c | 33 |
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 @@ +/* + * Flash support for OMAP1 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> + +#include <plat/io.h> +#include <plat/tc.h> + +void omap1_set_vpp(struct map_info *map, int enable) +{ + static int count; + u32 l; + + if (enable) { + if (count++ == 0) { + l = omap_readl(EMIFS_CONFIG); + l |= OMAP_EMIFS_CONFIG_WP; + omap_writel(l, EMIFS_CONFIG); + } + } else { + if (count && (--count == 0)) { + l = omap_readl(EMIFS_CONFIG); + l &= ~OMAP_EMIFS_CONFIG_WP; + omap_writel(l, EMIFS_CONFIG); + } + } +} |