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Groups > comp.os.linux.embedded > #67
| From | Dave <noone$$@llondel.org> |
|---|---|
| Subject | Re: Kernel for ARM. |
| Newsgroups | comp.os.linux.embedded |
| References | <4f004452$0$1205$65785112@news.neostrada.pl> |
| Followup-To | comp.os.linux.embedded |
| Message-ID | <vvv6t8-3gb.ln1@llondel.org> (permalink) |
| Organization | virginmedia.com |
| Date | 2012-01-01 21:32 +0000 |
Followups directed to: comp.os.linux.embedded
Andrzej W. wrote: > Hi, > > I'm trying to build new kernel for my ATMEL AT91SAM9260 processor. > Kernel provided by manufacturer work well but my kernels sends garbage > to a serial console. > > Original kernel: > >> ## Booting image at 20200000 ... >> Image Name: Linux-2.6.24-rc5-rt1 >> Image Type: ARM Linux Kernel Image (uncompressed) >> Data Size: 1118064 Bytes = 1.1 MB >> Load Address: 20008000 >> Entry Point: 20008000 >> Verifying Checksum ... OK >> Loading Kernel Image ... OK >> >> Starting kernel ... >> >> Uncompressing >> Linux............................................................. >> ............. done, booting the kernel. Linux version 2.6.24-rc5-rt1 >> (awa@apps) (gcc version 4.3.6 (Buildroot 2011 .11) ) #16 PREEMPT RT Thu >> Dec 29 00:08:08 CET 2011 CPU: ARM926EJ-S [41069265] revision 5 >> (ARMv5TEJ), cr=00053177 Machine: Telit CS1275 > > My kernel: > >> ## Booting image at 20200000 ... >> Image Name: Linux-3.0.14-rt31 >> Image Type: ARM Linux Kernel Image (uncompressed) >> Data Size: 1451676 Bytes = 1.4 MB >> Load Address: 20008000 >> Entry Point: 20008000 >> Verifying Checksum ... OK >> Loading Kernel Image ... OK >> >> Starting kernel ... >> >> Uncompressing Linux... done, booting the kernel. >> garbage, more garbage > > Any ideas? > The obvious one is that it's compiled with a different default baud rate. I don't have it to hand, but can you add a kernel boot option to force the baud rate to be what you expect? Or boot it and work through the baud rates hitting return until it responds with plain text. -- Dave Too many gadgets, too little time.
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Kernel for ARM. "Andrzej W." <awa_wp.a_to_wytnij.@wp.pl> - 2012-01-01 12:32 +0100
Re: Kernel for ARM. Lew Pitcher <lpitcher@teksavvy.com> - 2012-01-01 11:22 -0800
Re: Kernel for ARM. Dave <noone$$@llondel.org> - 2012-01-01 21:32 +0000
Re: Kernel for ARM. Helix <hhhhh@hhhh.hh> - 2012-01-05 17:06 +0100
Re: Kernel for ARM. "Andrzej W." <awa_wp.a_to_wytnij.@wp.pl> - 2012-01-09 10:54 +0100
Re: Kernel for ARM. zorroslade <rlimlaw@gmail.com> - 2012-01-20 10:46 -0800
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