src/flash/nor/pic32mx.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2008 by Spencer Oliver                                  *
   6  *   spen@spen-soft.co.uk                                                  *
   7  *                                                                         *
   8  *   Copyright (C) 2008 by John McCarthy                                   *
   9  *   jgmcc@magma.ca                                                        *
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  *   This program is distributed in the hope that it will be useful,       *
  17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  19  *   GNU General Public License for more details.                          *
  20  *                                                                         *
  21  *   You should have received a copy of the GNU General Public License     *
  22  *   along with this program; if not, write to the                         *
  23  *   Free Software Foundation, Inc.,                                       *
  24  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  25  ***************************************************************************/
  26 #ifndef PIC32MX_H
  27 #define PIC32MX_H
  28
  29 struct pic32mx_flash_bank
  30 {
  31         struct working_area *write_algorithm;
  32         int devid;
  33         int ppage_size;
  34         int probed;
  35 };
  36
  37 #define PIC32MX_MANUF_ID        0x029
  38
  39 /* pic32mx memory locations */
  40
  41 #define PIC32MX_KUSEG_PGM_FLASH         0x7D000000
  42 #define PIC32MX_KUSEG_RAM                       0x7F000000
  43
  44 #define PIC32MX_KSEG0_RAM                       0x80000000
  45 #define PIC32MX_KSEG0_PGM_FLASH         0x9D000000
  46 #define PIC32MX_KSEG0_BOOT_FLASH        0x9FC00000
  47
  48 #define PIC32MX_KSEG1_RAM                       0xA0000000
  49 #define PIC32MX_KSEG1_PGM_FLASH         0xBD000000
  50 #define PIC32MX_KSEG1_PERIPHERAL        0xBF800000
  51 #define PIC32MX_KSEG1_BOOT_FLASH        0xBFC00000
  52
  53 #define PIC32MX_PHYS_RAM                        0x00000000
  54 #define PIC32MX_PHYS_PGM_FLASH          0x1D000000
  55 #define PIC32MX_PHYS_PERIPHERALS        0x1F800000
  56 #define PIC32MX_PHYS_BOOT_FLASH         0x1FC00000
  57
  58 /*
  59  * Translate Virtual and Physical addresses.
  60  * Note: These macros only work for KSEG0/KSEG1 addresses.
  61  */
  62 #define KS1Virt2Phys(vaddr)                     ((vaddr)-0xA0000000)
  63 #define Phys2KS1Virt(paddr)                     ((paddr) + 0xA0000000)
  64 #define KS0Virt2Phys(vaddr)                     ((vaddr)-0x80000000)
  65 #define Phys2KS0Virt(paddr)                     ((paddr) + 0x80000000)
  66
  67 /* pic32mx configuration register locations */
  68
  69 #define PIC32MX_DEVCFG0         0xBFC02FFC
  70 #define PIC32MX_DEVCFG1         0xBFC02FF8
  71 #define PIC32MX_DEVCFG2         0xBFC02FF4
  72 #define PIC32MX_DEVCFG3         0XBFC02FF0
  73 #define PIC32MX_DEVID           0xBF80F220
  74
  75 /* pic32mx flash controller register locations */
  76
  77 #define PIC32MX_NVMCON          0xBF80F400
  78 #define PIC32MX_NVMCONCLR       0xBF80F404
  79 #define PIC32MX_NVMCONSET       0xBF80F408
  80 #define PIC32MX_NVMCONINV       0xBF80F40C
  81 #define NVMCON_NVMWR            (1 << 15)
  82 #define NVMCON_NVMWREN          (1 << 14)
  83 #define NVMCON_NVMERR           (1 << 13)
  84 #define NVMCON_LVDERR           (1 << 12)
  85 #define NVMCON_LVDSTAT          (1 << 11)
  86 #define NVMCON_OP_PFM_ERASE             0x5
  87 #define NVMCON_OP_PAGE_ERASE    0x4
  88 #define NVMCON_OP_ROW_PROG              0x3
  89 #define NVMCON_OP_WORD_PROG             0x1
  90 #define NVMCON_OP_NOP                   0x0
  91
  92 #define PIC32MX_NVMKEY          0xBF80F410
  93 #define PIC32MX_NVMADDR         0xBF80F420
  94 #define PIC32MX_NVMADDRCLR      0xBF80F424
  95 #define PIC32MX_NVMADDRSET      0xBF80F428
  96 #define PIC32MX_NVMADDRINV      0xBF80F42C
  97 #define PIC32MX_NVMDATA         0xBF80F430
  98 #define PIC32MX_NVMSRCADDR      0xBF80F440
  99
 100 /* flash unlock keys */
 101
 102 #define NVMKEY1                 0xAA996655
 103 #define NVMKEY2                 0x556699AA
 104
 105 struct pic32mx_mem_layout {
 106         uint32_t sector_start;
 107         uint32_t sector_size;
 108 };
 109
 110 #endif /* PIC32MX_H */
 111