arch/arm/include/asm/arch-at91/at91_eefc.h

   1 /*
   2  * Copyright (C) 2010
   3  * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
   4  *
   5  * Enhanced Embedded Flash Controller
   6  * Based on AT91SAM9XE datasheet
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13
  14 #ifndef AT91_EEFC_H
  15 #define AT91_EEFC_H
  16
  17 #ifndef __ASSEMBLY__
  18
  19 typedef struct at91_eefc {
  20         u32     fmr;    /* Flash Mode Register RW */
  21         u32     fcr;    /* Flash Command Register WO */
  22         u32     fsr;    /* Flash Status Register RO */
  23         u32     frr;    /* Flash Result Register RO */
  24 } at91_eefc_t;
  25
  26 #endif /* __ASSEMBLY__ */
  27
  28 #define AT91_EEFC_FMR_FWS_MASK  0x00000f00
  29 #define AT91_EEFC_FMR_FRDY_BIT  0x00000001
  30
  31 #define AT91_EEFC_FCR_KEY               0x5a000000
  32 #define AT91_EEFC_FCR_FARG_MASK 0x00ffff00
  33 #define AT91_EEFC_FCR_FARG_SHIFT        8
  34 #define AT91_EEFC_FCR_FCMD_GETD 0x0
  35 #define AT91_EEFC_FCR_FCMD_WP           0x1
  36 #define AT91_EEFC_FCR_FCMD_WPL          0x2
  37 #define AT91_EEFC_FCR_FCMD_EWP          0x3
  38 #define AT91_EEFC_FCR_FCMD_EWPL 0x4
  39 #define AT91_EEFC_FCR_FCMD_EA           0x5
  40 #define AT91_EEFC_FCR_FCMD_SLB          0x8
  41 #define AT91_EEFC_FCR_FCMD_CLB          0x9
  42 #define AT91_EEFC_FCR_FCMD_GLB          0xA
  43 #define AT91_EEFC_FCR_FCMD_SGPB 0xB
  44 #define AT91_EEFC_FCR_FCMD_CGPB 0xC
  45 #define AT91_EEFC_FCR_FCMD_GGPB 0xD
  46
  47 #define AT91_EEFC_FSR_FRDY      1
  48 #define AT91_EEFC_FSR_FCMDE     2
  49 #define AT91_EEFC_FSR_FLOCKE    4
  50
  51 #endif