2 * arch/arm/mach-at91/include/mach/at91sam9_smc.h
4 * Static Memory Controllers (SMC) - System peripherals registers.
5 * Based on AT91SAM9261 datasheet revision D.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
13 #ifndef AT91SAM9_SMC_H
14 #define AT91SAM9_SMC_H
16 #define AT91_SMC_SETUP(n) (AT91_SMC + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
17 #define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */
18 #define AT91_SMC_NWESETUP_(x) ((x) << 0)
19 #define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */
20 #define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8)
21 #define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */
22 #define AT91_SMC_NRDSETUP_(x) ((x) << 16)
23 #define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */
24 #define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24)
26 #define AT91_SMC_PULSE(n) (AT91_SMC + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
27 #define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */
28 #define AT91_SMC_NWEPULSE_(x) ((x) << 0)
29 #define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */
30 #define AT91_SMC_NCS_WRPULSE_(x)((x) << 8)
31 #define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */
32 #define AT91_SMC_NRDPULSE_(x) ((x) << 16)
33 #define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */
34 #define AT91_SMC_NCS_RDPULSE_(x)((x) << 24)
36 #define AT91_SMC_CYCLE(n) (AT91_SMC + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
37 #define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */
38 #define AT91_SMC_NWECYCLE_(x) ((x) << 0)
39 #define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */
40 #define AT91_SMC_NRDCYCLE_(x) ((x) << 16)
42 #define AT91_SMC_MODE(n) (AT91_SMC + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
43 #define AT91_SMC_READMODE (1 << 0) /* Read Mode */
44 #define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */
45 #define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */
46 #define AT91_SMC_EXNWMODE_DISABLE (0 << 4)
47 #define AT91_SMC_EXNWMODE_FROZEN (2 << 4)
48 #define AT91_SMC_EXNWMODE_READY (3 << 4)
49 #define AT91_SMC_BAT (1 << 8) /* Byte Access Type */
50 #define AT91_SMC_BAT_SELECT (0 << 8)
51 #define AT91_SMC_BAT_WRITE (1 << 8)
52 #define AT91_SMC_DBW (3 << 12) /* Data Bus Width */
53 #define AT91_SMC_DBW_8 (0 << 12)
54 #define AT91_SMC_DBW_16 (1 << 12)
55 #define AT91_SMC_DBW_32 (2 << 12)
56 #define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */
57 #define AT91_SMC_TDF_(x) ((x) << 16)
58 #define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */
59 #define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */
60 #define AT91_SMC_PS (3 << 28) /* Page Size */
61 #define AT91_SMC_PS_4 (0 << 28)
62 #define AT91_SMC_PS_8 (1 << 28)
63 #define AT91_SMC_PS_16 (2 << 28)
64 #define AT91_SMC_PS_32 (3 << 28)
66 #if defined(AT91_SMC1) /* The AT91SAM9263 has 2 Static Memory contollers */
67 #define AT91_SMC1_SETUP(n) (AT91_SMC1 + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
68 #define AT91_SMC1_PULSE(n) (AT91_SMC1 + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
69 #define AT91_SMC1_CYCLE(n) (AT91_SMC1 + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
70 #define AT91_SMC1_MODE(n) (AT91_SMC1 + 0x0c + ((n)*0x10)) /* Mode Register for CS n */