1 //==========================================================================
5 // Flash programming - device constants, etc.
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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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
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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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34 // this file might be covered by the GNU General Public License.
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38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: gthomas, msalter
49 //####DESCRIPTIONEND####
51 //==========================================================================
56 // First 4K page of flash at physical address zero is
57 // virtually mapped at address 0xa0000000.
58 #define FLASH_P2V(x) ((volatile unsigned char *)(((unsigned)(x) < 0x1000) ? \
59 ((unsigned)(x) | 0xd0000000) : \
62 #define FLASH_BOOT_BLOCK_SIZE 0x4000
64 #define FLASH_Intel_code 0x89
66 #define FLASH_Read_ID 0x90
67 #define FLASH_Read_Query 0x98
68 #define FLASH_Read_Status 0x70
69 #define FLASH_Clear_Status 0x50
70 #define FLASH_Status_Ready 0x80
71 #define FLASH_Write_Buffer 0xE8
72 #define FLASH_Program 0x10
73 #define FLASH_Block_Erase 0x20
74 #define FLASH_Set_Lock 0x60
75 #define FLASH_Set_Lock_Confirm 0x01
76 #define FLASH_Clear_Locks 0x60
77 #define FLASH_Clear_Locks_Confirm 0xD0
78 #define FLASH_Confirm 0xD0
79 #define FLASH_Configure 0xB8
80 #define FLASH_Configure_ReadyWait 0x00
81 #define FLASH_Configure_PulseOnErase 0x01
82 #define FLASH_Configure_PulseOnProgram 0x02
83 #define FLASH_Configure_PulseOnBoth 0x03
84 #define FLASH_Reset 0xFF
86 #define FLASH_BLOCK_SIZE 0x10000
87 #define FLASH_WBUF_SIZE 32
89 #define FLASH_Intel_code 0x89
91 // Extended query information
93 unsigned char manuf_code;
94 unsigned char device_code;
95 unsigned char _unused0[14];
96 unsigned char id[3]; // Q Q R
97 unsigned char _unused1[20];
98 unsigned char device_size;
99 unsigned char device_interface[2];
100 unsigned char buffer_size[2];
101 unsigned char is_block_oriented;
102 unsigned char num_regions[2];
103 unsigned char region_size[2];
106 #endif // _FLASH_HWR_H_