48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* $Id: flash29.h,v 1.2 2008/07/31 01:53:44 cjohns Exp $
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*
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* Header for 29Fxxx and 49Fxxx flash driver.
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*
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* 2003-12-28 Josef Wolf (jw@raven.inka.de)
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*
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* Portions of this program which I authored may be used for any purpose
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* so long as this notice is left intact.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/* This function will be called by flash_filter and is responsible to register
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the driver
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*/
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void init_flash29(int num);
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/* following #define's should probably be set by configure
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*/
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/* Setting this to 0 produces more generic (and compact) code which is able
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to program all bus widths at the expense of performance. Setting this
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to 1 approximately doubles the programming speed on a 20MHz 68332 with
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Am29F400 in 16-bit-mode.
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*/
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#define FLASH_OPTIMIZE_FOR_SPEED 0
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/* When FLASH_OPTIMIZE_FOR_SPEED==1, selecting only required bus widths can
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reduce size of generated code
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*/
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#define FLASH_BUS_WIDTH1 1
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#define FLASH_BUS_WIDTH2 1
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#define FLASH_BUS_WIDTH4 1
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#if FLASH_OPTIMIZE_FOR_SPEED
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# if ( !FLASH_BUS_WIDTH1 && !FLASH_BUS_WIDTH2 && !FLASH_BUS_WIDTH4 )
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# error At least one bus width must be defined when FLASH_OPTIMIZE_FOR_SPEED!=0
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# endif
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#endif
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