From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrey P. Vasilyev <andrey_vasilyev@mail.ru>
Date: Tue, 9 May 2006 15:32:11 +0400
Subject: [U-Boot-Users] AT91RM9200 Dataflash op error with U-Boot1.1.4
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References: <20060508171505.09348FE89@sc8-sf-spam2.sourceforge.net> <005a01c67359$63cf6e60$b7899d0a@first>
Message-ID: <20060509113211.GA16445@vap.name>
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To: u-boot@lists.denx.de

On Tue, May 09, 2006 at 07:11:52PM +0800, KylongMu wrote:
> Dear Groups:
> 	My board contains: AT91RM9200 DataFlash:AT45DB642 (without nand
> flash)
...
> U-Boot> erase c0020000 c0027fff
> Error: start address not on sector boundary
> U-Boot>
> ----------------------------------------------------------------------------
> 
> 	Does anybody know how to solve with this?
> Thanks a lot!

Perhaps, this patch will help you:

--- u-boot-1.1.3/common/cmd_mem.c       2005-09-14 22:45:12.000000000 +0400
+++ u-boot-1.1.3-new/common/cmd_mem.c   2005-09-14 22:47:03.000000000 +0400
@@ -423,7 +423,7 @@
        /* check if we are copying to Flash */
        if ( (addr2info(dest) != NULL)
 #ifdef CONFIG_HAS_DATAFLASH
-          && (!addr_dataflash(addr))
+          && (!addr_dataflash(addr)) && (!addr_dataflash(dest))
 #endif
           ) {
                int rc;

If it will not solve the problem, try this:

--- u-boot-1.1.4/common/flash.c 2005-08-14 03:53:35.000000000 +0400
+++ u-boot-1.1.4-new/common/flash.c     2005-09-15 01:15:58.000000000 +0400
@@ -105,6 +105,8 @@
        int i;
 
        for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
+               if (info->size == 0)
+                       continue;
                if (info->flash_id != FLASH_UNKNOWN &&
                    addr >= info->start[0] &&
                    /* WARNING - The '- 1' is needed if the flash

-- 
With best regards,
  Andrey Vasilyev