xref: /OK3568_Linux_fs/kernel/include/linux/platform_data/mtd-davinci-aemif.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * TI DaVinci AEMIF support
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright 2010 (C) Texas Instruments, Inc. https://www.ti.com/
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This file is licensed under the terms of the GNU General Public License
7*4882a593Smuzhiyun  * version 2. This program is licensed "as is" without any warranty of any
8*4882a593Smuzhiyun  * kind, whether express or implied.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun #ifndef _MACH_DAVINCI_AEMIF_H
11*4882a593Smuzhiyun #define _MACH_DAVINCI_AEMIF_H
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <linux/platform_device.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define NRCSR_OFFSET		0x00
16*4882a593Smuzhiyun #define AWCCR_OFFSET		0x04
17*4882a593Smuzhiyun #define A1CR_OFFSET		0x10
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #define ACR_ASIZE_MASK		0x3
20*4882a593Smuzhiyun #define ACR_EW_MASK		BIT(30)
21*4882a593Smuzhiyun #define ACR_SS_MASK		BIT(31)
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun /* All timings in nanoseconds */
24*4882a593Smuzhiyun struct davinci_aemif_timing {
25*4882a593Smuzhiyun 	u8	wsetup;
26*4882a593Smuzhiyun 	u8	wstrobe;
27*4882a593Smuzhiyun 	u8	whold;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	u8	rsetup;
30*4882a593Smuzhiyun 	u8	rstrobe;
31*4882a593Smuzhiyun 	u8	rhold;
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	u8	ta;
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif
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