arch/arm/include/asm/arch-at91/at91sam9261_matrix.h

   1 /*
   2  * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9261_matrix.h]
   3  *
   4  * Copyright (C) 2007 Atmel Corporation.
   5  *
   6  * Memory Controllers (MATRIX, EBI) - System peripherals registers.
   7  * Based on AT91SAM9261 datasheet revision D.
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #ifndef AT91SAM9261_MATRIX_H
  13 #define AT91SAM9261_MATRIX_H
  14
  15 #ifndef __ASSEMBLY__
  16
  17 struct at91_matrix {
  18         u32     mcfg;   /* Master Configuration Registers */
  19         u32     scfg[5];        /* Slave Configuration Registers */
  20         u32     filler[6];
  21         u32     ebicsa;         /* EBI Chip Select Assignment Register */
  22 };
  23 #endif /* __ASSEMBLY__ */
  24
  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_DEFMSTR_TYPE_NONE   (0 << 16)
  32 #define AT91_MATRIX_DEFMSTR_TYPE_LAST   (1 << 16)
  33 #define AT91_MATRIX_DEFMSTR_TYPE_FIXED  (2 << 16)
  34 #define AT91_MATRIX_FIXED_DEFMSTR_SHIFT 18
  35 #define AT91_MATRIX_ARBT_ROUND_ROBIN    (0 << 24)
  36 #define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24)
  37
  38 #define AT91_MATRIX_M0PR_SHIFT          0
  39 #define AT91_MATRIX_M1PR_SHIFT          4
  40 #define AT91_MATRIX_M2PR_SHIFT          8
  41 #define AT91_MATRIX_M3PR_SHIFT          12
  42 #define AT91_MATRIX_M4PR_SHIFT          16
  43 #define AT91_MATRIX_M5PR_SHIFT          20
  44
  45 #define AT91_MATRIX_RCB0                (1 << 0)
  46 #define AT91_MATRIX_RCB1                (1 << 1)
  47
  48 #define AT91_MATRIX_CS1A_SDRAMC         (1 << 1)
  49 #define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3)
  50 #define AT91_MATRIX_CS4A_SMC_CF1        (1 << 4)
  51 #define AT91_MATRIX_CS5A_SMC_CF2        (1 << 5)
  52 #define AT91_MATRIX_DBPUC               (1 << 8)
  53 #define AT91_MATRIX_VDDIOMSEL_1_8V      (0 << 16)
  54 #define AT91_MATRIX_VDDIOMSEL_3_3V      (1 << 16)
  55
  56 #endif