]> nv-tegra.nvidia Code Review - linux-2.6.git/blob - arch/arm/mach-at91/include/mach/at91sam9_smc.h
Merge branch 'ux500/soc' into next/soc2
[linux-2.6.git] / arch / arm / mach-at91 / include / mach / at91sam9_smc.h
1 /*
2  * arch/arm/mach-at91/include/mach/at91sam9_smc.h
3  *
4  * Copyright (C) 2007 Andrew Victor
5  * Copyright (C) 2007 Atmel Corporation.
6  *
7  * Static Memory Controllers (SMC) - System peripherals registers.
8  * Based on AT91SAM9261 datasheet revision D.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  */
15
16 #ifndef AT91SAM9_SMC_H
17 #define AT91SAM9_SMC_H
18
19 #include <mach/cpu.h>
20
21 #define AT91_SMC_SETUP          0x00                            /* Setup Register for CS n */
22 #define         AT91_SMC_NWESETUP       (0x3f << 0)                     /* NWE Setup Length */
23 #define                 AT91_SMC_NWESETUP_(x)   ((x) << 0)
24 #define         AT91_SMC_NCS_WRSETUP    (0x3f << 8)                     /* NCS Setup Length in Write Access */
25 #define                 AT91_SMC_NCS_WRSETUP_(x)        ((x) << 8)
26 #define         AT91_SMC_NRDSETUP       (0x3f << 16)                    /* NRD Setup Length */
27 #define                 AT91_SMC_NRDSETUP_(x)   ((x) << 16)
28 #define         AT91_SMC_NCS_RDSETUP    (0x3f << 24)                    /* NCS Setup Length in Read Access */
29 #define                 AT91_SMC_NCS_RDSETUP_(x)        ((x) << 24)
30
31 #define AT91_SMC_PULSE          0x04                            /* Pulse Register for CS n */
32 #define         AT91_SMC_NWEPULSE       (0x7f <<  0)                    /* NWE Pulse Length */
33 #define                 AT91_SMC_NWEPULSE_(x)   ((x) << 0)
34 #define         AT91_SMC_NCS_WRPULSE    (0x7f <<  8)                    /* NCS Pulse Length in Write Access */
35 #define                 AT91_SMC_NCS_WRPULSE_(x)((x) << 8)
36 #define         AT91_SMC_NRDPULSE       (0x7f << 16)                    /* NRD Pulse Length */
37 #define                 AT91_SMC_NRDPULSE_(x)   ((x) << 16)
38 #define         AT91_SMC_NCS_RDPULSE    (0x7f << 24)                    /* NCS Pulse Length in Read Access */
39 #define                 AT91_SMC_NCS_RDPULSE_(x)((x) << 24)
40
41 #define AT91_SMC_CYCLE          0x08                            /* Cycle Register for CS n */
42 #define         AT91_SMC_NWECYCLE       (0x1ff << 0 )                   /* Total Write Cycle Length */
43 #define                 AT91_SMC_NWECYCLE_(x)   ((x) << 0)
44 #define         AT91_SMC_NRDCYCLE       (0x1ff << 16)                   /* Total Read Cycle Length */
45 #define                 AT91_SMC_NRDCYCLE_(x)   ((x) << 16)
46
47 #define AT91_SMC_MODE           0x0c                            /* Mode Register for CS n */
48 #define         AT91_SMC_READMODE       (1 <<  0)                       /* Read Mode */
49 #define         AT91_SMC_WRITEMODE      (1 <<  1)                       /* Write Mode */
50 #define         AT91_SMC_EXNWMODE       (3 <<  4)                       /* NWAIT Mode */
51 #define                 AT91_SMC_EXNWMODE_DISABLE       (0 << 4)
52 #define                 AT91_SMC_EXNWMODE_FROZEN        (2 << 4)
53 #define                 AT91_SMC_EXNWMODE_READY         (3 << 4)
54 #define         AT91_SMC_BAT            (1 <<  8)                       /* Byte Access Type */
55 #define                 AT91_SMC_BAT_SELECT             (0 << 8)
56 #define                 AT91_SMC_BAT_WRITE              (1 << 8)
57 #define         AT91_SMC_DBW            (3 << 12)                       /* Data Bus Width */
58 #define                 AT91_SMC_DBW_8                  (0 << 12)
59 #define                 AT91_SMC_DBW_16                 (1 << 12)
60 #define                 AT91_SMC_DBW_32                 (2 << 12)
61 #define         AT91_SMC_TDF            (0xf << 16)                     /* Data Float Time. */
62 #define                 AT91_SMC_TDF_(x)                ((x) << 16)
63 #define         AT91_SMC_TDFMODE        (1 << 20)                       /* TDF Optimization - Enabled */
64 #define         AT91_SMC_PMEN           (1 << 24)                       /* Page Mode Enabled */
65 #define         AT91_SMC_PS             (3 << 28)                       /* Page Size */
66 #define                 AT91_SMC_PS_4                   (0 << 28)
67 #define                 AT91_SMC_PS_8                   (1 << 28)
68 #define                 AT91_SMC_PS_16                  (2 << 28)
69 #define                 AT91_SMC_PS_32                  (3 << 28)
70
71 #endif