From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3C52ADC0.20409@pacbell.net> Date: Sat, 26 Jan 2002 13:23:12 +0000 From: Armin MIME-Version: 1.0 To: ChangYl Lee Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: Booting linux-2.4.18-pre7 with IBM405GP(rev E) References: <002501c1a649$ef2b4ba0$74b0f8cb@bluecafe> Content-Type: text/plain; charset=x-windows-949 Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: ChangYl Lee wrote: > Hi all..! > I'm going to develop new board based on a IBM405GP(rev. E) processor and I cloned linux_2_4_devel and tested it. > > kernel version is 2.4.18-pre7 and default config is set to walnut_defconfig. > > Attempting to debug, I've found out my kernel is stopped or hung at real address 0. > Before jumping address 0, it seems to be nice and I can see my debug character with serial console. > but I can't see my debug character start of "start_here:" at arch/ppc/kernel/head_4xx.S > > I've read posted message titled "booting HardHat on IBM405GP" but still I can't understand. > The output of the booting message looks like this: > ----------------- > MON> go > Linux porting start.... press any key.. > > loaded at: 00250000 002E8238 > board data at: 002E5168 002E51A8 > relocated to: 002E5128 002E5168 > zimage at: 00255B30 002E4CCB > avail ram: 002E9000 04000000 > > Linux/PPC load: console=ttyS0,115200 root=/dev/ram rw debug ram=64m > Uncompressing Linux...done. > Now booting the kernel > ---------------- > > Any help is greatly appreciated. > > ------------------------------------------------------------ > Be happy..! > ChangYl, Lee : bluecafe@sgi21.com > > > > Chang, First of all, what type of bootloader are you using and is it a walnut? The memory locactions are not correct for a walnut. The load addr starts @ 500000 and uses treeboot. I just tried it on my walnut and have no problems. -armin ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/