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+++ b/packages/io/flash/current/include/flash.h
@@ -0,0 +1,86 @@
+//==========================================================================
+//
+//      flash.h
+//
+//      Flash programming - external interfaces
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-07-14
+// Purpose:      
+// Description:  
+//              
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef _IO_FLASH_H_
+#define _IO_FLASH_H_
+
+#define FLASH_MIN_WORKSPACE 0x10000  // Space used by FLASH code
+
+extern int flash_init(void *work_space, int work_space_length);
+extern int flash_erase(void *base, int len, void **err_address);
+extern int flash_program(void *flash_base, void *ram_base, int len, void **err_address);
+extern int flash_verify_addr(void *base);
+extern int flash_get_limits(void *base, void **start, void **end);
+extern int flash_get_block_info(int *block_size, int *blocks);
+extern bool flash_code_overlaps(void *start, void *end);
+extern char *flash_errmsg(int err);
+
+#define FLASH_ERR_OK       0x00  // No error - operation complete
+#define FLASH_ERR_INVALID  0x01  // Invalid FLASH address
+#define FLASH_ERR_ERASE    0x02  // Error trying to erase
+#define FLASH_ERR_LOCK     0x03  // Error trying to lock/unlock
+#define FLASH_ERR_PROGRAM  0x04  // Error trying to program
+#define FLASH_ERR_PROTOCOL 0x05  // Generic error
+#define FLASH_ERR_PROTECT  0x06  // Device/region is write-protected
+#define FLASH_ERR_NOT_INIT 0x07  // FLASH info not yet initialized
+#define FLASH_ERR_HWR      0x08  // Hardware (configuration?) problem
+
+#ifdef _FLASH_PRIVATE_
+
+struct flash_info {
+    void *work_space;
+    int   work_space_size;
+    int   block_size;   // Assuming fixed size "blocks"
+    int   blocks;       // Number of blocks
+    unsigned long block_mask;
+    void *start, *end;  // Address range
+    int   init;
+};
+
+extern struct flash_info flash_info;
+extern int  flash_hwr_init(void);
+extern int  flash_hwr_map_error(int err);
+
+#endif
+
+#endif  // _IO_FLASH_H_