From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Wed, 19 Sep 2007 15:55:54 -0500 Subject: [U-Boot-Users] U-Boot problems with MPC8272ADS In-Reply-To: <9A1468054ED2FD40907CC3B2C1871D400106CC8C@hermes.versatel.com> References: <9A1468054ED2FD40907CC3B2C1871D400106CC8C@hermes.versatel.com> Message-ID: <46F18CDA.6090507@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Manil Gaouar wrote: > I installed u-boot on my mpc8272ads board, and when I connect the > board with a serial link to my pc, I don?t see any output in the > console, I use cu S0 at 115200, I have connected a JTAG to see what?s > happening in the board I can see that the PC register is changing and > going through the memory, and the pc will be stuck in an infinite > loop which means that he is waiting for an input, That's hardly the only case in which code can get stuck in an infinite loop. > probable the command prompt. I have compared different positions in > my PC register and the u-boot.map and I can see which function my > code is at, so u-boot is running, but why I don?t have a display?? Did you check that the serial port is properly initialized, including I/O pin and BRG setup? Can you get serial output by manually poking the registers with the BDI? -Scott