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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - arch/arm/mach-omap1/board-nand.c
2 * linux/arch/arm/mach-omap1/board-nand.c
4 * Common OMAP1 board NAND code
6 * Copyright (C) 2004, 2012 Texas Instruments, Inc.
7 * Copyright (C) 2002 MontaVista Software, Inc.
8 * Copyright (C) 2001 RidgeRun, Inc.
9 * Author: RidgeRun, Inc.
10 * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
16 #include <linux/kernel.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/nand.h>
23 void omap1_nand_cmd_ctl(struct mtd_info
*mtd
, int cmd
, unsigned int ctrl
)
25 struct nand_chip
*this = mtd
->priv
;
28 if (cmd
== NAND_CMD_NONE
)
31 mask
= (ctrl
& NAND_CLE
) ? 0x02 : 0;
35 writeb(cmd
, this->IO_ADDR_W
+ mask
);