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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-02 13:34:25 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-02 13:34:25 -0500
commit5057bfaff82e12f01a2ffd58f55535cbd7c5c3a2 (patch)
tree0397253173308317480ed82f0b75af46cd3f6cb1 /arch/arm/mach-omap1/flash.c
parent6c0ad5dfd3d5ad6def89b485ee52834547da239b (diff)
parentd702d12167a2c05a346f49aac7a311d597762495 (diff)
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (214 commits) omap2: Initialize Menelaus and MMC for N8X0 AM3517 EVM: correct typo - tca6416 mispelt as tca6516 AM3517 EVM: Enable I2C support AM35x: Enable OMAP_MUX in defconfig AM35x: Add missing GPIO mux config for EHCI port Zoom3: Defconfig update omap: i2c: Fix muxing for command line enabled bus OMAP4: clock: Remove clock hacks from timer-gp.c OMAP4: clock: Add dummy clock nodes for interface clocks OMAP4: clock: Rename leaf clock nodes to end with a _ick or _fck OMAP2+ clock: revise omap2_clk_{disable,enable}() OMAP2/3 clock: combine OMAP2 & 3 boot-time MPU rate change code OMAP clockdomain: if no autodeps exist, don't try to add or remove them OMAP hwmod: add hwmod class support OMAP hwmod: convert header files with static allocations into C files OMAP hwmod: convert hwmod to use hardware clock names rather than clkdev dev+con OMAP clock: add omap_clk_get_by_name() for use by OMAP hwmod core code OMAP3: clock: add capability to change rate of dpll4_m5_ck_3630 OMAP4 clock: drop the ALWAYS_ENABLED clock flag OMAP clock: drop RATE_FIXED clock flag ...
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}