From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aras Vaichas Date: Tue, 27 Jul 2004 14:57:31 +1000 Subject: [U-Boot-Users] uboot 1.1.1 reset and dataflash protection problem on AT91RM9200DK Message-ID: <4105E0BB.30901@magellan-technology.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de I have two strange problems with uboot-1.1.1 on my AT91RM9200DK. 1) It will not pass the "uncompressing image" stage from power up, but if I remove the "Boot mode select link", press reset, replace the link, press reset, the system will begin to boot. sample output from problem 1) ** power on, nothing happens, press reset a few times to show a pattern "boot 1.0 (Jul 27 2004 - 09:42:33) Uncompressing image... boot 1.0 (Jul 27 2004 - 09:42:33) Uncompressing image... boot 1.0 (Jul 27 2004 - 09:42:33) Uncompressing image... ** remove jumper and press reset, CPU goes into self bootstrap mode CCCC ... ** replace jumper and press reset, u-boot starts working properly. boot 1.0 (Jul 27 2004 - 09:42:33) Uncompressing image... U-Boot 1.1.1 (Jul 27 2004 - 12:05:10) U-Boot code: 21F00000 -> 21F14530 BSS: -> 21F189D0 RAM Configuration: ... etc ... can boot Linux fine from this point onwards. 2) The system starts with the first half of dataflash protected. I keep unprotecting it, but when I reboot it still remains protected! Uboot> flinfo ... Area 0: C0000000 to C0007FFF (RO) Area 1: C0008000 to C001FFFF (RO) Area 2: C0020000 to C0027FFF Area 3: C0028000 to C083FFFF Uboot> protect off c0000000 c001ffff Un-Protect 2 DataFlash Sectors Uboot> flinfo ... Area 0: C0000000 to C0007FFF Area 1: C0008000 to C001FFFF Area 2: C0020000 to C0027FFF Area 3: C0028000 to C083FFFF ** reset (remove jumper, reset, replace jumper, reset ) U-Boot 1.1.1 (Jul 27 2004 - 12:05:10) ... Area 0: C0000000 to C0007FFF (RO) Area 1: C0008000 to C001FFFF (RO) Area 2: C0020000 to C0027FFF Area 3: C0028000 to C083FFFF Dataflash area is still read only!