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Sekhar Nori8060ef42010-08-09 15:46:35 +05301/*
2 * TI DaVinci AEMIF support
3 *
4 * Copyright 2010 (C) Texas Instruments, Inc. http://www.ti.com/
5 *
6 * This file is licensed under the terms of the GNU General Public License
7 * version 2. This program is licensed "as is" without any warranty of any
8 * kind, whether express or implied.
9 */
10#ifndef _MACH_DAVINCI_AEMIF_H
11#define _MACH_DAVINCI_AEMIF_H
12
13#define NRCSR_OFFSET 0x00
14#define AWCCR_OFFSET 0x04
15#define A1CR_OFFSET 0x10
16
17#define ACR_ASIZE_MASK 0x3
18#define ACR_EW_MASK BIT(30)
19#define ACR_SS_MASK BIT(31)
20
21/* All timings in nanoseconds */
22struct davinci_aemif_timing {
23 u8 wsetup;
24 u8 wstrobe;
25 u8 whold;
26
27 u8 rsetup;
28 u8 rstrobe;
29 u8 rhold;
30
31 u8 ta;
32};
33
34int davinci_aemif_setup_timing(struct davinci_aemif_timing *t,
35 void __iomem *base, unsigned cs);
36#endif