From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bear Date: Sun, 05 Jun 2011 18:00:09 +0800 Subject: [U-Boot] How to boot a newer version of u-boot from a older one? In-Reply-To: <45903308677306428B6EE7E6FF5A520413BA81@039-SN1MPN1-004.039d.mgd.msft.net> References: <4DEB280E.3030405@Gmail.com> <45903308677306428B6EE7E6FF5A520413BA81@039-SN1MPN1-004.039d.mgd.msft.net> Message-ID: <4DEB53A9.3010403@Gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de hi, Could you tell me which configuration should I use? There are 4 configurations for MPC8313ERDB... >> MPC8313ERDB_33 powerpc mpc83xx mpc8313erdb freescale - MPC8313ERDB:SYS_33MHZ >> MPC8313ERDB_66 powerpc mpc83xx mpc8313erdb freescale - MPC8313ERDB:SYS_66MHZ >> MPC8313ERDB_NAND_33 powerpc mpc83xx mpc8313erdb freescale - MPC8313ERDB:SYS_33MHZ,NAND_U_BOOT >> MPC8313ERDB_NAND_66 powerpc mpc83xx mpc8313erdb freescale - MPC8313ERDB:SYS_66MHZ,NAND_U_BOOT > ?????????????????????? On 6/5/2011 3:14 PM, Aggrwal Poonam-B10812 wrote: > I am not sure of the correct make option though, but you must try flashing NAND flash with NAND boot loader and do experiments there. > It would be good not to tamper with the existing NOR boot loader for now. > => tftp 1000000 u-boot-nand.bin > => nand erase 0 80000 > => nand write 1000000 0 80000 > > Switch off the board. > Change the switch settings to boot from NAND. > And switch on the board. > > Regards > Poonam > >> -----Original Message----- >> From: u-boot-bounces at lists.denx.de [mailto:u-boot-bounces at lists.denx.de] >> On Behalf Of Lingfeng Xiong >> Sent: Sunday, June 05, 2011 12:24 PM >> To: u-boot at lists.denx.de >> Subject: [U-Boot] How to boot a newer version of u-boot from a older one? >> >> hi there, >> I bought a Freescale MPC8313E-RDB some days before. The version of u-boot >> on that board is quite old and I wanna run a newer one. I have already >> built the latest git version of u-boot for that board. But I found there >> are several configuration files: >>> MPC8313ERDB_33 powerpc mpc83xx mpc8313erdb >> freescale - MPC8313ERDB:SYS_33MHZ >>> MPC8313ERDB_66 powerpc mpc83xx mpc8313erdb >> freescale - MPC8313ERDB:SYS_66MHZ >>> MPC8313ERDB_NAND_33 powerpc mpc83xx mpc8313erdb >> freescale - MPC8313ERDB:SYS_33MHZ,NAND_U_BOOT >>> MPC8313ERDB_NAND_66 powerpc mpc83xx mpc8313erdb >> freescale - MPC8313ERDB:SYS_66MHZ,NAND_U_BOOT >> >> My board is Rev C and all switches are in factory default, could you tell >> me which configuration should I use? >> >> For I have no USBTAP, there are no way for me to flush either NOR Flash >> or NAND Flash, so I am afraid if I install my u-boot to NOR Flash and >> that u-boot cannot run correctly, my board would be unavailable. So I >> wanna boot the latest version of u-boot from the original one. I tried >> these: >> => tftp 0x01000000 u-boot.bin >> => go 0x01000000 >> >> But my board reset automatically. Could you tell me how to do with this? >> Thanks. >> >> >> >> -- >> ?????????????????????? >> _______________________________________________ >> U-Boot mailing list >> U-Boot at lists.denx.de >> http://lists.denx.de/mailman/listinfo/u-boot