src/flash/nor/stellaris.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Magnus Lundin                                   *
   3  *   lundin@mlu.mine.nu                                                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifndef STELLARIS_FLASH_H
  21 #define STELLARIS_FLASH_H
  22
  23 #include <flash/flash.h>
  24
  25 struct stellaris_flash_bank
  26 {
  27         /* chip id register */
  28         uint32_t did0;
  29         uint32_t did1;
  30         uint32_t dc0;
  31         uint32_t dc1;
  32
  33         char * target_name;
  34
  35         uint32_t sramsiz;
  36         uint32_t flshsz;
  37         /* flash geometry */
  38         uint32_t num_pages;
  39         uint32_t pagesize;
  40         uint32_t pages_in_lockregion;
  41
  42         /* nv memory bits */
  43         uint16_t num_lockbits;
  44         uint32_t lockbits;
  45
  46         /* main clock status */
  47         uint32_t rcc;
  48         uint32_t rcc2;
  49         uint8_t  mck_valid;
  50         uint8_t  xtal_mask;
  51         uint32_t iosc_freq;
  52         uint32_t mck_freq;
  53         const char *iosc_desc;
  54         const char *mck_desc;
  55 };
  56
  57 /* STELLARIS control registers */
  58 #define SCB_BASE        0x400FE000
  59 #define DID0            0x000
  60 #define DID1            0x004
  61 #define DC0                     0x008
  62 #define DC1                     0x010
  63 #define DC2                     0x014
  64 #define DC3                     0x018
  65 #define DC4                     0x01C
  66
  67 #define RIS                     0x050
  68 #define RCC                     0x060
  69 #define PLLCFG          0x064
  70 #define RCC2            0x070
  71
  72 #define FMPRE           0x130
  73 #define FMPPE           0x134
  74 #define USECRL          0x140
  75
  76 #define FLASH_CONTROL_BASE      0x400FD000
  77 #define FLASH_FMA       (FLASH_CONTROL_BASE | 0x000)
  78 #define FLASH_FMD       (FLASH_CONTROL_BASE | 0x004)
  79 #define FLASH_FMC       (FLASH_CONTROL_BASE | 0x008)
  80 #define FLASH_CRIS      (FLASH_CONTROL_BASE | 0x00C)
  81 #define FLASH_CIM       (FLASH_CONTROL_BASE | 0x010)
  82 #define FLASH_MISC      (FLASH_CONTROL_BASE | 0x014)
  83
  84 #define AMISC   1
  85 #define PMISC   2
  86
  87 #define AMASK   1
  88 #define PMASK   2
  89
  90 /* Flash Controller Command bits */
  91 #define FMC_WRKEY       (0xA442 << 16)
  92 #define FMC_COMT        (1 << 3)
  93 #define FMC_MERASE      (1 << 2)
  94 #define FMC_ERASE       (1 << 1)
  95 #define FMC_WRITE       (1 << 0)
  96
  97 /* STELLARIS constants */
  98
  99 #endif /* STELLARIS_H */