From mboxrd@z Thu Jan 1 00:00:00 1970 From: Travis Sawyer Date: Thu, 03 Jun 2004 21:48:24 -0400 Subject: [U-Boot-Users] problems with BDI2000 / u-boot / Linux on IBM 440GX Ocotea refere nce board In-Reply-To: References: Message-ID: <1086313703.2631.10.camel@web2.domainsystems.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Bill: On Thu, 2004-06-03 at 20:14, Bill Hargen wrote: > I have been trying to get u-boot and Linux running on the IBM 440GX > "Ocotea" reference board and I have been hitting some weird problems. > The first problem is if I try to run u-boot from flash with a BDI2000 > connected (i.e. do "reset" and "go" commands), then u-boot starts > running but hangs in the SDRAM init. Specifically, it hangs waiting > for the MRS Command Complete status bit to be set. IIRC I ran into the same thing, all I needed to do was remove the sdram configuration from the config for the BDI. > And also, > with the BDI2000 disconnected, the system reset switch doesn't work. It > kills the system, but it doesn't restart - I have to power cycle. It did > work when IBM's PIBS code was in flash. > There is a patch in Wolfgang's queue to fix this. Check the archives for "flash reset ocotea". > - It reports about 37 BogoMIPS, which seems way to low for a 440GX > running at 533MHz. > I've seen this also. However the fix escapes me at the moment. I'll try to dig up my fix for this. > - It gets read timeouts trying to find the Ethernet PHYs. (And this > works from u-boot - I'm booting from emac0!) > - It isn't getting the boot command line from u-boot. And this is You're bootargs and settings are making it to the kernel. > I don't know if the BDI2000 quirk, the reset switch quirk, and the Linux > strcpy(cmd_line... quirks are connected or not. > Not at all. -travis