From mboxrd@z Thu Jan  1 00:00:00 1970
From: KylongMu <mqy@263.net.cn>
Date: Tue, 9 May 2006 22:45:20 +0800
Subject: [U-Boot-Users] AT91RM9200 Dataflash op error with U-Boot1.1.4
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> 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

Dear Andrey,
	Thanks for your answer. I patched these two files one by one, or
both of them, but all failed, and the error is still.
Thanks a lot!
KylongMu