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