arch/arm/mach-at91/include/mach/at91sam9260_matrix.h

   1 /*
   2  * arch/arm/mach-at91/include/mach/at91sam9260_matrix.h
   3  *
   4  *  Copyright (C) 2007 Atmel Corporation.
   5  *
   6  * Memory Controllers (MATRIX, EBI) - System peripherals registers.
   7  * Based on AT91SAM9260 datasheet revision B.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  */
  14
  15 #ifndef AT91SAM9260_MATRIX_H
  16 #define AT91SAM9260_MATRIX_H
  17
  18 #define AT91_MATRIX_MCFG0       0x00                    /* Master Configuration Register 0 */
  19 #define AT91_MATRIX_MCFG1       0x04                    /* Master Configuration Register 1 */
  20 #define AT91_MATRIX_MCFG2       0x08                    /* Master Configuration Register 2 */
  21 #define AT91_MATRIX_MCFG3       0x0C                    /* Master Configuration Register 3 */
  22 #define AT91_MATRIX_MCFG4       0x10                    /* Master Configuration Register 4 */
  23 #define AT91_MATRIX_MCFG5       0x14                    /* Master Configuration Register 5 */
  24 #define         AT91_MATRIX_ULBT                (7 << 0)        /* Undefined Length Burst Type */
  25 #define                 AT91_MATRIX_ULBT_INFINITE       (0 << 0)
  26 #define                 AT91_MATRIX_ULBT_SINGLE         (1 << 0)
  27 #define                 AT91_MATRIX_ULBT_FOUR           (2 << 0)
  28 #define                 AT91_MATRIX_ULBT_EIGHT          (3 << 0)
  29 #define                 AT91_MATRIX_ULBT_SIXTEEN        (4 << 0)
  30
  31 #define AT91_MATRIX_SCFG0       0x40                    /* Slave Configuration Register 0 */
  32 #define AT91_MATRIX_SCFG1       0x44                    /* Slave Configuration Register 1 */
  33 #define AT91_MATRIX_SCFG2       0x48                    /* Slave Configuration Register 2 */
  34 #define AT91_MATRIX_SCFG3       0x4C                    /* Slave Configuration Register 3 */
  35 #define AT91_MATRIX_SCFG4       0x50                    /* Slave Configuration Register 4 */
  36 #define         AT91_MATRIX_SLOT_CYCLE          (0xff <<  0)    /* Maximum Number of Allowed Cycles for a Burst */
  37 #define         AT91_MATRIX_DEFMSTR_TYPE        (3    << 16)    /* Default Master Type */
  38 #define                 AT91_MATRIX_DEFMSTR_TYPE_NONE   (0 << 16)
  39 #define                 AT91_MATRIX_DEFMSTR_TYPE_LAST   (1 << 16)
  40 #define                 AT91_MATRIX_DEFMSTR_TYPE_FIXED  (2 << 16)
  41 #define         AT91_MATRIX_FIXED_DEFMSTR       (7    << 18)    /* Fixed Index of Default Master */
  42 #define         AT91_MATRIX_ARBT                (3    << 24)    /* Arbitration Type */
  43 #define                 AT91_MATRIX_ARBT_ROUND_ROBIN    (0 << 24)
  44 #define                 AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24)
  45
  46 #define AT91_MATRIX_PRAS0       0x80                    /* Priority Register A for Slave 0 */
  47 #define AT91_MATRIX_PRAS1       0x88                    /* Priority Register A for Slave 1 */
  48 #define AT91_MATRIX_PRAS2       0x90                    /* Priority Register A for Slave 2 */
  49 #define AT91_MATRIX_PRAS3       0x98                    /* Priority Register A for Slave 3 */
  50 #define AT91_MATRIX_PRAS4       0xA0                    /* Priority Register A for Slave 4 */
  51 #define         AT91_MATRIX_M0PR                (3 << 0)        /* Master 0 Priority */
  52 #define         AT91_MATRIX_M1PR                (3 << 4)        /* Master 1 Priority */
  53 #define         AT91_MATRIX_M2PR                (3 << 8)        /* Master 2 Priority */
  54 #define         AT91_MATRIX_M3PR                (3 << 12)       /* Master 3 Priority */
  55 #define         AT91_MATRIX_M4PR                (3 << 16)       /* Master 4 Priority */
  56 #define         AT91_MATRIX_M5PR                (3 << 20)       /* Master 5 Priority */
  57
  58 #define AT91_MATRIX_MRCR        0x100                   /* Master Remap Control Register */
  59 #define         AT91_MATRIX_RCB0                (1 << 0)        /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
  60 #define         AT91_MATRIX_RCB1                (1 << 1)        /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
  61
  62 #define AT91_MATRIX_EBICSA      0x11C                   /* EBI Chip Select Assignment Register */
  63 #define         AT91_MATRIX_CS1A                (1 << 1)        /* Chip Select 1 Assignment */
  64 #define                 AT91_MATRIX_CS1A_SMC            (0 << 1)
  65 #define                 AT91_MATRIX_CS1A_SDRAMC         (1 << 1)
  66 #define         AT91_MATRIX_CS3A                (1 << 3)        /* Chip Select 3 Assignment */
  67 #define                 AT91_MATRIX_CS3A_SMC            (0 << 3)
  68 #define                 AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3)
  69 #define         AT91_MATRIX_CS4A                (1 << 4)        /* Chip Select 4 Assignment */
  70 #define                 AT91_MATRIX_CS4A_SMC            (0 << 4)
  71 #define                 AT91_MATRIX_CS4A_SMC_CF1        (1 << 4)
  72 #define         AT91_MATRIX_CS5A                (1 << 5)        /* Chip Select 5 Assignment */
  73 #define                 AT91_MATRIX_CS5A_SMC            (0 << 5)
  74 #define                 AT91_MATRIX_CS5A_SMC_CF2        (1 << 5)
  75 #define         AT91_MATRIX_DBPUC               (1 << 8)        /* Data Bus Pull-up Configuration */
  76 #define         AT91_MATRIX_VDDIOMSEL           (1 << 16)       /* Memory voltage selection */
  77 #define                 AT91_MATRIX_VDDIOMSEL_1_8V      (0 << 16)
  78 #define                 AT91_MATRIX_VDDIOMSEL_3_3V      (1 << 16)
  79
  80 #endif