flight/pios/inc/pios_flash_jedec_priv.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @addtogroup PIOS PIOS Core hardware abstraction layer
   5  * @{
   6  * @addtogroup PIOS_FLASH Flash device handler
   7  * @{
   8  *
   9  * @file       pios_flash_jedec_priv.h
  10  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
  11  * @brief      Driver for talking to most JEDEC flash chips
  12  * @see        The GNU Public License (GPL) Version 3
  13  *
  14  *****************************************************************************/
  15 /*
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 3 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful, but
  22  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  24  * for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License along
  27  * with this program; if not, write to the Free Software Foundation, Inc.,
  28  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  29  */
  30
  31 #ifndef PIOS_FLASH_JEDEC_H
  32 #define PIOS_FLASH_JEDEC_H
  33
  34 #include "pios_flash.h" /* API definition for flash drivers */
  35
  36 extern const struct pios_flash_driver pios_jedec_flash_driver;
  37
  38 #define JEDEC_MANUFACTURER_ST       0x20
  39 #define JEDEC_MANUFACTURER_MICRON   0x20
  40 #define JEDEC_MANUFACTURER_NUMORIX  0x20
  41 #define JEDEC_MANUFACTURER_MACRONIX 0xC2
  42 #define JEDEC_MANUFACTURER_WINBOND  0xEF
  43
  44 struct pios_flash_jedec_cfg {
  45     uint8_t expect_manufacturer;
  46     uint8_t expect_memorytype;
  47     uint8_t expect_capacity;
  48     uint8_t sector_erase;
  49     uint8_t chip_erase;
  50     uint8_t fast_read;
  51     uint8_t fast_read_dummy_bytes;
  52 };
  53
  54 int32_t PIOS_Flash_Jedec_Init(uintptr_t *flash_id, uint32_t spi_id, uint32_t slave_num);
  55
  56 #endif /* PIOS_FLASH_JEDEC_H */