release/src-rt-6.x/linux/linux-2.6/include/asm-arm/arch-at91/at91sam9260_matrix.h

   1 /*
   2  * include/asm-arm/arch-at91/at91sam9260_matrix.h
   3  *
   4  * Memory Controllers (MATRIX, EBI) - System peripherals registers.
   5  * Based on AT91SAM9260 datasheet revision B.
   6  *
   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.
  11  */
  12
  13 #ifndef AT91SAM9260_MATRIX_H
  14 #define AT91SAM9260_MATRIX_H
  15
  16 #define AT91_MATRIX_MCFG0       (AT91_MATRIX + 0x00)    /* Master Configuration Register 0 */
  17 #define AT91_MATRIX_MCFG1       (AT91_MATRIX + 0x04)    /* Master Configuration Register 1 */
  18 #define AT91_MATRIX_MCFG2       (AT91_MATRIX + 0x08)    /* Master Configuration Register 2 */
  19 #define AT91_MATRIX_MCFG3       (AT91_MATRIX + 0x0C)    /* Master Configuration Register 3 */
  20 #define AT91_MATRIX_MCFG4       (AT91_MATRIX + 0x10)    /* Master Configuration Register 4 */
  21 #define AT91_MATRIX_MCFG5       (AT91_MATRIX + 0x14)    /* Master Configuration Register 5 */
  22 #define         AT91_MATRIX_ULBT                (7 << 0)        /* Undefined Length Burst Type */
  23 #define                 AT91_MATRIX_ULBT_INFINITE       (0 << 0)
  24 #define                 AT91_MATRIX_ULBT_SINGLE         (1 << 0)
  25 #define                 AT91_MATRIX_ULBT_FOUR           (2 << 0)
  26 #define                 AT91_MATRIX_ULBT_EIGHT          (3 << 0)
  27 #define                 AT91_MATRIX_ULBT_SIXTEEN        (4 << 0)
  28
  29 #define AT91_MATRIX_SCFG0       (AT91_MATRIX + 0x40)    /* Slave Configuration Register 0 */
  30 #define AT91_MATRIX_SCFG1       (AT91_MATRIX + 0x44)    /* Slave Configuration Register 1 */
  31 #define AT91_MATRIX_SCFG2       (AT91_MATRIX + 0x48)    /* Slave Configuration Register 2 */
  32 #define AT91_MATRIX_SCFG3       (AT91_MATRIX + 0x4C)    /* Slave Configuration Register 3 */
  33 #define AT91_MATRIX_SCFG4       (AT91_MATRIX + 0x50)    /* Slave Configuration Register 4 */
  34 #define         AT91_MATRIX_SLOT_CYCLE          (0xff <<  0)    /* Maximum Number of Allowed Cycles for a Burst */
  35 #define         AT91_MATRIX_DEFMSTR_TYPE        (3    << 16)    /* Default Master Type */
  36 #define                 AT91_MATRIX_DEFMSTR_TYPE_NONE   (0 << 16)
  37 #define                 AT91_MATRIX_DEFMSTR_TYPE_LAST   (1 << 16)
  38 #define                 AT91_MATRIX_DEFMSTR_TYPE_FIXED  (2 << 16)
  39 #define         AT91_MATRIX_FIXED_DEFMSTR       (7    << 18)    /* Fixed Index of Default Master */
  40 #define         AT91_MATRIX_ARBT                (3    << 24)    /* Arbitration Type */
  41 #define                 AT91_MATRIX_ARBT_ROUND_ROBIN    (0 << 24)
  42 #define                 AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24)
  43
  44 #define AT91_MATRIX_PRAS0       (AT91_MATRIX + 0x80)    /* Priority Register A for Slave 0 */
  45 #define AT91_MATRIX_PRAS1       (AT91_MATRIX + 0x88)    /* Priority Register A for Slave 1 */
  46 #define AT91_MATRIX_PRAS2       (AT91_MATRIX + 0x90)    /* Priority Register A for Slave 2 */
  47 #define AT91_MATRIX_PRAS3       (AT91_MATRIX + 0x98)    /* Priority Register A for Slave 3 */
  48 #define AT91_MATRIX_PRAS4       (AT91_MATRIX + 0xA0)    /* Priority Register A for Slave 4 */
  49 #define         AT91_MATRIX_M0PR                (3 << 0)        /* Master 0 Priority */
  50 #define         AT91_MATRIX_M1PR                (3 << 4)        /* Master 1 Priority */
  51 #define         AT91_MATRIX_M2PR                (3 << 8)        /* Master 2 Priority */
  52 #define         AT91_MATRIX_M3PR                (3 << 12)       /* Master 3 Priority */
  53 #define         AT91_MATRIX_M4PR                (3 << 16)       /* Master 4 Priority */
  54 #define         AT91_MATRIX_M5PR                (3 << 20)       /* Master 5 Priority */
  55
  56 #define AT91_MATRIX_MRCR        (AT91_MATRIX + 0x100)   /* Master Remap Control Register */
  57 #define         AT91_MATRIX_RCB0                (1 << 0)        /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
  58 #define         AT91_MATRIX_RCB1                (1 << 1)        /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
  59
  60 #define AT91_MATRIX_EBICSA      (AT91_MATRIX + 0x11C)   /* EBI Chip Select Assignment Register */
  61 #define         AT91_MATRIX_CS1A                (1 << 1)        /* Chip Select 1 Assignment */
  62 #define                 AT91_MATRIX_CS1A_SMC            (0 << 1)
  63 #define                 AT91_MATRIX_CS1A_SDRAMC         (1 << 1)
  64 #define         AT91_MATRIX_CS3A                (1 << 3)        /* Chip Select 3 Assignment */
  65 #define                 AT91_MATRIX_CS3A_SMC            (0 << 3)
  66 #define                 AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3)
  67 #define         AT91_MATRIX_CS4A                (1 << 4)        /* Chip Select 4 Assignment */
  68 #define                 AT91_MATRIX_CS4A_SMC            (0 << 4)
  69 #define                 AT91_MATRIX_CS4A_SMC_CF1        (1 << 4)
  70 #define         AT91_MATRIX_CS5A                (1 << 5 )       /* Chip Select 5 Assignment */
  71 #define                 AT91_MATRIX_CS5A_SMC            (0 << 5)
  72 #define                 AT91_MATRIX_CS5A_SMC_CF2        (1 << 5)
  73 #define         AT91_MATRIX_DBPUC               (1 << 8)        /* Data Bus Pull-up Configuration */
  74 #define         AT91_MATRIX_VDDIOMSEL           (1 << 16)       /* Memory voltage selection */
  75 #define                 AT91_MATRIX_VDDIOMSEL_1_8V      (0 << 16)
  76 #define                 AT91_MATRIX_VDDIOMSEL_3_3V      (1 << 16)
  77
  78 #endif