1 //==========================================================================
3 // mn10300_asb2305_flash.c
5 // Flash programming for Matsushita ASB2305
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
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37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): dhowells
44 // Contributors: dhowells
49 //####DESCRIPTIONEND####
51 //==========================================================================
52 #include <pkgconf/devs_flash_mn10300_asb2305.h>
54 //--------------------------------------------------------------------------
57 #if defined(CYGHWR_DEVS_FLASH_MN10300_ASB2305_BANK_SysFlash)
58 // We use a four chip parallel AM29DL324BE module plugged into the System Flash socket
59 // on the ASB2305 board.
60 #define CYGNUM_FLASH_INTERLEAVE (4)
61 #define CYGNUM_FLASH_SERIES (1)
62 #define CYGNUM_FLASH_WIDTH (8)
63 #define CYGNUM_FLASH_16AS8 (1)
64 #define CYGNUM_FLASH_BASE (0x84000000u) /* cached flash chip address */
66 #elif defined(CYGHWR_DEVS_FLASH_MN10300_ASB2305_BANK_BootPROM)
67 // We have a single AM29LV800TA soldered onto the board as the boot PROM
68 #define CYGNUM_FLASH_INTERLEAVE (1)
69 #define CYGNUM_FLASH_SERIES (1)
70 #define CYGNUM_FLASH_WIDTH (16)
71 #define CYGNUM_FLASH_BASE (0x80000000u) /* cached flash chip address */
74 #error unknown flash bank selected
77 //--------------------------------------------------------------------------
78 // Platform specific extras
80 // Offset of uncached shadow region
81 #define FLASH_P2V( _a_ ) ((volatile flash_data_t *)((CYG_ADDRWORD)(_a_)+0x20000000))
83 //--------------------------------------------------------------------------
84 // Now include the driver code.
85 #include "cyg/io/flash_am29xxxxx.inl"
87 // ------------------------------------------------------------------------
88 // EOF mn10300_asb2305_flash.c