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| author | Anton Arapov <anton@redhat.com> | 2012-08-07 11:21:50 +0200 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-08-07 12:52:25 +0200 |
| commit | 1d44b6f3fcf6058fb7c960b7558766967e8028f7 (patch) | |
| tree | 53d88547c973ba048d233091a3f91f3173ad01df /arch/arm/mach-omap1/board-nand.c | |
| parent | d91eda5d7b0383e6a0c83e0146ff141ff3b1355b (diff) | |
| download | kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.tar.gz kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.tar.xz kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.zip | |
fedora kernel: 222b075b3ff0d9e88aa9353e3c80667756ed7361v3.5.0-4
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-omap1/board-nand.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-nand.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-nand.c b/arch/arm/mach-omap1/board-nand.c new file mode 100644 index 00000000000..4d0835327d2 --- /dev/null +++ b/arch/arm/mach-omap1/board-nand.c @@ -0,0 +1,37 @@ +/* + * linux/arch/arm/mach-omap1/board-nand.c + * + * Common OMAP1 board NAND code + * + * Copyright (C) 2004, 2012 Texas Instruments, Inc. + * Copyright (C) 2002 MontaVista Software, Inc. + * Copyright (C) 2001 RidgeRun, Inc. + * Author: RidgeRun, Inc. + * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com + * + * 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/kernel.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> + +#include "common.h" + +void omap1_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *this = mtd->priv; + unsigned long mask; + + if (cmd == NAND_CMD_NONE) + return; + + mask = (ctrl & NAND_CLE) ? 0x02 : 0; + if (ctrl & NAND_ALE) + mask |= 0x04; + + writeb(cmd, this->IO_ADDR_W + mask); +} + |