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 #define AT91_SMC_SETUP(n) (AT91_SMC + 0x00 + ((n)*0x10)) /* Setup Register for CS n */ 20 #define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */ 21 #define AT91_SMC_NWESETUP_(x) ((x) << 0) 22 #define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */ 23 #define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8) 24 #define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */ 25 #define AT91_SMC_NRDSETUP_(x) ((x) << 16) 26 #define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */ 27 #define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24) 28 29 #define AT91_SMC_PULSE(n) (AT91_SMC + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */ 30 #define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */ 31 #define AT91_SMC_NWEPULSE_(x) ((x) << 0) 32 #define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */ 33 #define AT91_SMC_NCS_WRPULSE_(x)((x) << 8) 34 #define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */ 35 #define AT91_SMC_NRDPULSE_(x) ((x) << 16) 36 #define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */ 37 #define AT91_SMC_NCS_RDPULSE_(x)((x) << 24) 38 39 #define AT91_SMC_CYCLE(n) (AT91_SMC + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */ 40 #define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */ 41 #define AT91_SMC_NWECYCLE_(x) ((x) << 0) 42 #define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */ 43 #define AT91_SMC_NRDCYCLE_(x) ((x) << 16) 44 45 #define AT91_SMC_MODE(n) (AT91_SMC + 0x0c + ((n)*0x10)) /* Mode Register for CS n */ 46 #define AT91_SMC_READMODE (1 << 0) /* Read Mode */ 47 #define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */ 48 #define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */ 49 #define AT91_SMC_EXNWMODE_DISABLE (0 << 4) 50 #define AT91_SMC_EXNWMODE_FROZEN (2 << 4) 51 #define AT91_SMC_EXNWMODE_READY (3 << 4) 52 #define AT91_SMC_BAT (1 << 8) /* Byte Access Type */ 53 #define AT91_SMC_BAT_SELECT (0 << 8) 54 #define AT91_SMC_BAT_WRITE (1 << 8) 55 #define AT91_SMC_DBW (3 << 12) /* Data Bus Width */ 56 #define AT91_SMC_DBW_8 (0 << 12) 57 #define AT91_SMC_DBW_16 (1 << 12) 58 #define AT91_SMC_DBW_32 (2 << 12) 59 #define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */ 60 #define AT91_SMC_TDF_(x) ((x) << 16) 61 #define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */ 62 #define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */ 63 #define AT91_SMC_PS (3 << 28) /* Page Size */ 64 #define AT91_SMC_PS_4 (0 << 28) 65 #define AT91_SMC_PS_8 (1 << 28) 66 #define AT91_SMC_PS_16 (2 << 28) 67 #define AT91_SMC_PS_32 (3 << 28) 68 69 #if defined(AT91_SMC1) /* The AT91SAM9263 has 2 Static Memory contollers */ 70 #define AT91_SMC1_SETUP(n) (AT91_SMC1 + 0x00 + ((n)*0x10)) /* Setup Register for CS n */ 71 #define AT91_SMC1_PULSE(n) (AT91_SMC1 + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */ 72 #define AT91_SMC1_CYCLE(n) (AT91_SMC1 + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */ 73 #define AT91_SMC1_MODE(n) (AT91_SMC1 + 0x0c + ((n)*0x10)) /* Mode Register for CS n */ 74 #endif 75 76 #endif 77