diff options
| author |   Ladislav Michl <ladis@linux-mips.org> | 2010-02-15 10:03:32 -0800 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2010-02-15 10:03:32 -0800 |
| commit | 561b036ad9d0b4f0cd311d2e38025919c2cb437f (patch) | |
| tree | 15c141467fe33e879a539b418e3131dd6d0910b1 /arch/arm/mach-omap1/flash.c | |
| parent | omap2/3/4: Add omap4 into omap3_defconfig (diff) | |
| download | linux-dev-561b036ad9d0b4f0cd311d2e38025919c2cb437f.tar.xz linux-dev-561b036ad9d0b4f0cd311d2e38025919c2cb437f.zip | |
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.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); + } + } +} |