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   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2010
   4  * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
   5  *
   6  * Enhanced Embedded Flash Controller
   7  * Based on AT91SAM9XE datasheet
   8  */
   9
  10 #ifndef AT91_EEFC_H
  11 #define AT91_EEFC_H
  12
  13 #ifndef __ASSEMBLY__
  14
  15 typedef struct at91_eefc {
  16         u32     fmr;    /* Flash Mode Register RW */
  17         u32     fcr;    /* Flash Command Register WO */
  18         u32     fsr;    /* Flash Status Register RO */
  19         u32     frr;    /* Flash Result Register RO */
  20 } at91_eefc_t;
  21
  22 #endif /* __ASSEMBLY__ */
  23
  24 #define AT91_EEFC_FMR_FWS_MASK  0x00000f00
  25 #define AT91_EEFC_FMR_FRDY_BIT  0x00000001
  26
  27 #define AT91_EEFC_FCR_KEY               0x5a000000
  28 #define AT91_EEFC_FCR_FARG_MASK 0x00ffff00
  29 #define AT91_EEFC_FCR_FARG_SHIFT        8
  30 #define AT91_EEFC_FCR_FCMD_GETD 0x0
  31 #define AT91_EEFC_FCR_FCMD_WP           0x1
  32 #define AT91_EEFC_FCR_FCMD_WPL          0x2
  33 #define AT91_EEFC_FCR_FCMD_EWP          0x3
  34 #define AT91_EEFC_FCR_FCMD_EWPL 0x4
  35 #define AT91_EEFC_FCR_FCMD_EA           0x5
  36 #define AT91_EEFC_FCR_FCMD_SLB          0x8
  37 #define AT91_EEFC_FCR_FCMD_CLB          0x9
  38 #define AT91_EEFC_FCR_FCMD_GLB          0xA
  39 #define AT91_EEFC_FCR_FCMD_SGPB 0xB
  40 #define AT91_EEFC_FCR_FCMD_CGPB 0xC
  41 #define AT91_EEFC_FCR_FCMD_GGPB 0xD
  42
  43 #define AT91_EEFC_FSR_FRDY      1
  44 #define AT91_EEFC_FSR_FCMDE     2
  45 #define AT91_EEFC_FSR_FLOCKE    4
  46
  47 #endif