1 files changed, 87 insertions, 0 deletions
diff --git a/ecos/packages/devs/flash/mips/atlas/current/src/flash_lock_block.c b/ecos/packages/devs/flash/mips/atlas/current/src/flash_lock_block.c
new file mode 100644
index 0000000..5e2fe68
--- /dev/null
+++ b/ecos/packages/devs/flash/mips/atlas/current/src/flash_lock_block.c
@@ -0,0 +1,87 @@
+//==========================================================================
+//
+//      flash_lock_block.c
+//
+//      Flash programming
+//
+//==========================================================================
+// ####ECOSGPLCOPYRIGHTBEGIN####                                            
+// -------------------------------------------                              
+// This file is part of eCos, the Embedded Configurable Operating System.   
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under    
+// the terms of the GNU General Public License as published by the Free     
+// Software Foundation; either version 2 or (at your option) any later      
+// version.                                                                 
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT      
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
+// for more details.                                                        
+//
+// You should have received a copy of the GNU General Public License        
+// along with eCos; if not, write to the Free Software Foundation, Inc.,    
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
+//
+// As a special exception, if other files instantiate templates or use      
+// macros or inline functions from this file, or you compile this file      
+// and link it with other works to produce a work based on this file,       
+// this file does not by itself cause the resulting work to be covered by   
+// the GNU General Public License. However the source code for this file    
+// must still be made available in accordance with section (3) of the GNU   
+// General Public License v2.                                               
+//
+// This exception does not invalidate any other reasons why a work based    
+// on this file might be covered by the GNU General Public License.         
+// -------------------------------------------                              
+// ####ECOSGPLCOPYRIGHTEND####                                              
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas, msalter
+// Date:         2000-12-07
+// Purpose:      
+// Description:  
+//              
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include "flash.h"
+#include <cyg/hal/hal_arch.h>
+
+
+int
+flash_lock_block(volatile unsigned long *block)
+	__attribute__ ((section (".2ram.flash_lock_block")));
+int
+flash_lock_block(volatile unsigned long *block)
+{
+    volatile unsigned long *ROM;
+    unsigned long stat;
+    int timeout = 5000000;
+
+    FLASH_WRITE_ENABLE();
+
+    block = (volatile unsigned long *)CYGARC_UNCACHED_ADDRESS((unsigned long)block);
+    ROM = (volatile unsigned long *)((unsigned long)block & FLASH_BASE_MASK);
+
+    // Clear any error conditions
+    ROM[0] = FLASH_Clear_Status;
+
+    // Set lock bit
+    block[0] = FLASH_Set_Lock;
+    block[0] = FLASH_Set_Lock_Confirm;  // Confirmation
+    while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
+        if (--timeout == 0) break;
+    }
+
+    // Restore ROM to "normal" mode
+    ROM[0] = FLASH_Reset;
+
+    FLASH_WRITE_DISABLE();
+
+    return stat;
+}