ecos: packages/io/flash/current/src/flashiodev.c annotate

annotate packages/io/flash/current/src/flashiodev.c @ 1411:5e52f3febc7d

Specify flash block device names at runtime - from David Woodhouse

author	gthomas
date	Mon, 01 Dec 2003 14:33:47 +0000
parents	c1f61c891552
children	5118f42e7e62

rev	line source
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	1 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	2 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	3 // flashiodev.c
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	4 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	5 // Flash device interface to I/O subsystem
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	6 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	7 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	37 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	39 //####ECOSGPLCOPYRIGHTEND####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	40 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	41 //#####DESCRIPTIONBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	42 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	43 // Author(s): jlarmour
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	44 // Contributors: woehler
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	45 // Date: 2002-01-16
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	46 // Purpose:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	47 // Description:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	48 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	49 //####DESCRIPTIONEND####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	50 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	51 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	52
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	53 #define _FLASH_PRIVATE_
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	54 #include <pkgconf/io_flash.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	55
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	56 #include <errno.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	57 #include <cyg/infra/cyg_type.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	58 #include <cyg/io/devtab.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	59 #include <cyg/io/config_keys.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	60 #include <cyg/io/flash.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	61 #include <string.h> // memcpy
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	62 #include <cyg/hal/hal_if.h>
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	63
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	64 #define MIN(x,y) ((x)<(y) ? (x) : (y))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	65
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	66 struct flashiodev_priv_t{
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	67 char *start;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	68 char *end;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	69 };
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	70
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	71 static struct flashiodev_priv_t flashiodev_priv[1];
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	72
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	73 static int dummy_printf( const char *fmt, ... ) {return 0;}
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	74
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	75 static bool
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	76 flashiodev_init( struct cyg_devtab_entry *tab )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	77 {
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	78 struct flashiodev_priv_t dev = (struct flashiodev_priv_t )tab->priv;
1389 587b0b1c6927 * src/flash.c: asl parents: 842 diff changeset	79 int stat = flash_init( &dummy_printf );
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	80 if ( stat == 0 ) {
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	81 #ifdef CYGNUM_IO_FLASH_BLOCK_CFG_FIS_1
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	82 CYG_ADDRESS flash_base;
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	83 unsigned long size;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	84
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	85 if(!CYGACC_CALL_IF_FLASH_FIS_OP(CYGNUM_CALL_IF_FLASH_FIS_GET_FLASH_BASE,
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	86 CYGDAT_IO_FLASH_BLOCK_FIS_NAME_1,
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	87 &flash_base))
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	88 return false;
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	89 if(!CYGACC_CALL_IF_FLASH_FIS_OP(CYGNUM_CALL_IF_FLASH_FIS_GET_SIZE,
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	90 CYGDAT_IO_FLASH_BLOCK_FIS_NAME_1,
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	91 &size))
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	92 return false;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	93
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	94 dev->start = (char *)flash_base;
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	95 dev->end = (char *)flash_base + size;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	96 #else
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	97 dev->start = (char *)flash_info.start + CYGNUM_IO_FLASH_BLOCK_OFFSET_1;
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	98 dev->end = (char *)flash_info.start + CYGNUM_IO_FLASH_BLOCK_OFFSET_1 +
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	99 CYGNUM_IO_FLASH_BLOCK_LENGTH_1;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	100 #endif
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	101 return true;
842 3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller gthomas parents: 791 diff changeset	102 } else
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	103 return false;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	104 } // flashiodev_init()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	105
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	106 #if 0
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	107 static Cyg_ErrNo
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	108 flashiodev_lookup( struct cyg_devtab_entry **tab,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	109 struct cyg_devtab_entry *sub_tab,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	110 const char *name)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	111 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	112 } // flashiodev_lookup()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	113 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	114
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	115 static Cyg_ErrNo
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	116 flashiodev_bread( cyg_io_handle_t handle, void buf, cyg_uint32 len,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	117 cyg_uint32 pos)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	118 {
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	119 struct cyg_devtab_entry tab = (struct cyg_devtab_entry )handle;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	120 struct flashiodev_priv_t dev = (struct flashiodev_priv_t )tab->priv;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	121
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	122 char *startpos = dev->start + pos;
1391 c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	123 void *erraddr;
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	124 Cyg_ErrNo err = ENOERR;
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	125
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	126
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	127 #ifdef CYGPKG_INFRA_DEBUG // don't bother checking this all the time
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	128 char endpos = startpos + len - 1;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	129 char flashend = MIN( (char )flash_info.end, dev->end);
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	130 if ( startpos < dev->start )
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	131 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	132 if ( endpos > flashend )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	133 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	134 #endif
1391 c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	135
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	136 err = flash_read( startpos,
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	137 (void )buf, len, &erraddr );
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	138
1391 c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	139 if ( err )
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	140 err = -EIO; // just something sane
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than asl parents: 1389 diff changeset	141 return err;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	142 } // flashiodev_bread()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	143
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	144 static Cyg_ErrNo
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	145 flashiodev_bwrite( cyg_io_handle_t handle, const void buf, cyg_uint32 len,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	146 cyg_uint32 pos )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	147 {
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	148 struct cyg_devtab_entry tab = (struct cyg_devtab_entry )handle;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	149 struct flashiodev_priv_t dev = (struct flashiodev_priv_t )tab->priv;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	150
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	151 Cyg_ErrNo err = ENOERR;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	152 void *erraddr;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	153 char *startpos = dev->start + pos;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	154
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	155 #ifdef CYGPKG_INFRA_DEBUG // don't bother checking this all the time
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	156 char endpos = startpos + len - 1;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	157 char flashend = MIN( (char )flash_info.end, dev->end);
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	158 if ( startpos < dev->start )
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	159 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	160 if ( endpos > flashend )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	161 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	162 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	163 err = flash_program( startpos,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	164 (void )buf, len, &erraddr );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	165
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	166 if ( err )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	167 err = -EIO; // just something sane
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	168 return err;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	169 } // flashiodev_bwrite()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	170
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	171 static Cyg_ErrNo
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	172 flashiodev_get_config( cyg_io_handle_t handle,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	173 cyg_uint32 key,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	174 void* buf,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	175 cyg_uint32* len)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	176 {
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	177 struct cyg_devtab_entry tab = (struct cyg_devtab_entry )handle;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	178 struct flashiodev_priv_t dev = (struct flashiodev_priv_t )tab->priv;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	179
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	180 switch (key) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	181 case CYG_IO_GET_CONFIG_FLASH_ERASE:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	182 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	183 if ( *len != sizeof( cyg_io_flash_getconfig_erase_t ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	184 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	185 {
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	186 cyg_io_flash_getconfig_erase_t e = (cyg_io_flash_getconfig_erase_t )buf;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	187 char *startpos = dev->start + e->offset;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	188
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	189 #ifdef CYGPKG_INFRA_DEBUG // don't bother checking this all the time
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	190 char *endpos = startpos + e->len - 1;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	191 char flashend = MIN( (char )flash_info.end, dev->end);
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	192 if ( startpos < dev->start )
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	193 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	194 if ( endpos > flashend )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	195 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	196 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	197 e->flasherr = flash_erase( startpos, e->len, e->err_address );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	198 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	199 return ENOERR;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	200 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	201 case CYG_IO_GET_CONFIG_FLASH_DEVSIZE:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	202 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	203 if ( *len != sizeof( cyg_io_flash_getconfig_devsize_t ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	204 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	205 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	206 cyg_io_flash_getconfig_devsize_t *d =
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	207 (cyg_io_flash_getconfig_devsize_t *)buf;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	209 //d->dev_size = flash_info.blocks * flash_info.block_size;
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	210 d->dev_size = dev->end - dev->start;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	211 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	212 return ENOERR;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	213 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	214
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	215 case CYG_IO_GET_CONFIG_FLASH_BLOCKSIZE:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	216 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	217 cyg_io_flash_getconfig_blocksize_t *b =
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	218 (cyg_io_flash_getconfig_blocksize_t *)buf;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	219 #ifdef CYGPKG_INFRA_DEBUG // don't bother checking this all the time
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	220 char *startpos = dev->start + b->offset;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	221 char flashend = MIN( (char )flash_info.end, dev->end);
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	222
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	223 if ( startpos < dev->start )
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	224 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	225 if ( startpos > flashend )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	226 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	227 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	228 if ( *len != sizeof( cyg_io_flash_getconfig_blocksize_t ) )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	229 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	230
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	231 // offset unused for now
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	232 b->block_size = flash_info.block_size;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	233 return ENOERR;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	234 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	235
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	236 default:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	237 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	238 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	239 } // flashiodev_get_config()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	240
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	241 static Cyg_ErrNo
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	242 flashiodev_set_config( cyg_io_handle_t handle,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	243 cyg_uint32 key,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	244 const void* buf,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	245 cyg_uint32* len)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	246 {
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	247 struct cyg_devtab_entry tab = (struct cyg_devtab_entry )handle;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	248 struct flashiodev_priv_t dev = (struct flashiodev_priv_t )tab->priv;
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	249
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	250 switch (key) {
1411 5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	251 #ifdef CYGNUM_IO_FLASH_BLOCK_CFG_FIS_1
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	252 case CYG_IO_SET_CONFIG_FLASH_FIS_NAME:
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	253 {
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	254 CYG_ADDRESS flash_base;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	255 unsigned long size;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	256
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	257 if(!CYGACC_CALL_IF_FLASH_FIS_OP(CYGNUM_CALL_IF_FLASH_FIS_GET_FLASH_BASE,
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	258 (char *)buf, &flash_base))
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	259 return -ENOENT;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	260 if(!CYGACC_CALL_IF_FLASH_FIS_OP(CYGNUM_CALL_IF_FLASH_FIS_GET_SIZE,
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	261 (char *)buf, &size))
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	262 return -ENOENT;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	263
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	264 dev->start = (char *)flash_base;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	265 dev->end = (char *)flash_base + size;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	266 return ENOERR;
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	267 }
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	268 #endif
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	269 default:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	270 return -EINVAL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	271 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	272 } // flashiodev_set_config()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	273
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	274 // get_config/set_config should be added later to provide the other flash
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	275 // operations possible, like erase etc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	276
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	277 BLOCK_DEVIO_TABLE( cyg_io_flashdev1_ops,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	278 &flashiodev_bwrite,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	279 &flashiodev_bread,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	280 0, // no select
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	281 &flashiodev_get_config,
1411 5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse gthomas parents: 1391 diff changeset	282 &flashiodev_set_config
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	283 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	284
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	285
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	286 BLOCK_DEVTAB_ENTRY( cyg_io_flashdev1,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	287 CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	288 0,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	289 &cyg_io_flashdev1_ops,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	290 &flashiodev_init,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	291 0, // No lookup required
791 a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de> gthomas parents: 210 diff changeset	292 &flashiodev_priv[0] );
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	293
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	294 // EOF flashiodev.c

Mercurial > ecos

annotate packages/io/flash/current/src/flashiodev.c @ 1411:5e52f3febc7d