From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Radensky Date: Thu, 10 Nov 2011 22:07:41 +0200 Subject: [U-Boot] Is CCSRBAR relocation broken on P2020? In-Reply-To: <4EBC2D50.5070200@embedded-sol.com> References: <4EBC2D50.5070200@embedded-sol.com> Message-ID: <4EBC2F0D.3030306@embedded-sol.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 Ira, On 11/10/2011 10:00 PM, Felix Radensky wrote: > Hello Timur, Kumar, U-Boot List, > > I'm working on porting U-Boot to the Freescale P2020 COM-Express board. > See the ML post from 2011-09-27 titled "[PATCH 0/2] mpc85xx: support > for > Freescale COM Express P2020". > > When it was posted, the port was working on the top of tree U-Boot. > This > included relocation of the CCSRBAR from the power on location of > 0xff700000 to 0xffe00000. > > Today I updated U-Boot to top of tree to address the comments in the > initial mailing list posting. Upon attempting to boot the board, I get > no console output. I have traced this to commit 6ca88b0958 > ("powerpc/85xx: relocate CCSR before creating the initial RAM area"). > > Indeed, making sure that the code does not run by adding the following > to my board config file causes U-Boot to start correctly. Though the > CCSRBAR is not relocated, as expected. > > #define CONFIG_SYS_CCSR_DO_NOT_RELOCATE > > As an alternative, reverting the commit causes my board to work again. > The CCSRBAR is relocated correctly. > > The P2020DS board is very similar to the board I am using. It performs > the same relocation of the CCSRBAR that I want to use as well. Does > anyone have a P2020DS that they can test with the current top of tree > U-Boot? Does it boot? Can you send the output of "md ffe00000 1"? > > Thanks, > Ira > I have P2020DS and can test it. Which configuration exactly, P2020DS or P2020DS_SDCARD ? Felix.