From 561b036ad9d0b4f0cd311d2e38025919c2cb437f Mon Sep 17 00:00:00 2001 From: Ladislav Michl Date: Mon, 15 Feb 2010 10:03:32 -0800 Subject: 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 Signed-off-by: Tony Lindgren --- arch/arm/mach-omap1/flash.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/arm/mach-omap1/flash.c (limited to 'arch/arm/mach-omap1/flash.c') 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 +#include + +#include +#include + +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); + } + } +} -- cgit v1.1