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author | David Woodhouse <David.Woodhouse@intel.com> | 2010-03-26 14:55:59 +0000 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-03-26 14:55:59 +0000 |
commit | 329f9052dbadf6f4afe2231668bd00c579a4aa10 (patch) | |
tree | e080a5c70df40f3ae8cf28a95a3267757668ab97 /arch/arm/mach-omap1/flash.c | |
parent | 395b228858778d3c44f7c413693a6acaa8bb62dc (diff) | |
parent | 220bf991b0366cc50a94feede3d7341fa5710ee4 (diff) | |
download | op-kernel-dev-329f9052dbadf6f4afe2231668bd00c579a4aa10.zip op-kernel-dev-329f9052dbadf6f4afe2231668bd00c579a4aa10.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/nand/sh_flctl.c
Maxim's patch to initialise sysfs attributes depends on the patch which
actually adds sysfs_attr_init().
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 0000000..0b07a78 --- /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); + } + } +} |