* Re: [Fastboot] Re: Kexec for booke PPC processors [not found] <3d42041d0603011443v4840d65en4f0676ff86c44e@mail.gmail.com> @ 2006-03-01 23:12 ` Michael Ellerman 2006-03-01 23:46 ` Kumar Gala 0 siblings, 1 reply; 4+ messages in thread From: Michael Ellerman @ 2006-03-01 23:12 UTC (permalink / raw) To: fastboot; +Cc: linuxppc-dev, dagriego [-- Attachment #1: Type: text/plain, Size: 677 bytes --] On Thu, 2 Mar 2006 09:43, dagriego wrote: > I'm finishing my first pass on getting kexec to work on PPC booke > processor, and needed some insight into how to pass information from the > first kernel to the kexec'ed kernel. This information is the board > information that the first kernel is given in r3 from the board firmware. > Is there a standard convention for passing this information? Yep, it's called the flat device tree. cheers -- Michael Ellerman IBM OzLabs wwweb: http://michael.ellerman.id.au phone: +61 2 6212 1183 (tie line 70 21183) We do not inherit the earth from our ancestors, we borrow it from our children. - S.M.A.R.T Person [-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Fastboot] Re: Kexec for booke PPC processors 2006-03-01 23:12 ` [Fastboot] Re: Kexec for booke PPC processors Michael Ellerman @ 2006-03-01 23:46 ` Kumar Gala 2006-03-02 14:32 ` dagriego 0 siblings, 1 reply; 4+ messages in thread From: Kumar Gala @ 2006-03-01 23:46 UTC (permalink / raw) To: Michael Ellerman; +Cc: linuxppc-dev, dagriego, fastboot > On Thu, 2 Mar 2006 09:43, dagriego wrote: > > I'm finishing my first pass on getting kexec to work on PPC booke > > processor, and needed some insight into how to pass information from the > > first kernel to the kexec'ed kernel. This information is the board > > information that the first kernel is given in r3 from the board firmware. > > Is there a standard convention for passing this information? > > Yep, it's called the flat device tree. Which PPC booke are you trying to get this to work on? - kumar ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Fastboot] Re: Kexec for booke PPC processors 2006-03-01 23:46 ` Kumar Gala @ 2006-03-02 14:32 ` dagriego 2006-03-02 15:26 ` Kumar Gala 0 siblings, 1 reply; 4+ messages in thread From: dagriego @ 2006-03-02 14:32 UTC (permalink / raw) To: Kumar Gala; +Cc: Michael Ellerman, linuxppc-dev, fastboot [-- Attachment #1: Type: text/plain, Size: 703 bytes --] I'm working on the E500 core, particularly the mpc8540/8560ADS boards - David On 3/1/06, Kumar Gala <galak@kernel.crashing.org> wrote: > > > On Thu, 2 Mar 2006 09:43, dagriego wrote: > > > I'm finishing my first pass on getting kexec to work on PPC booke > > > processor, and needed some insight into how to pass information from > the > > > first kernel to the kexec'ed kernel. This information is the board > > > information that the first kernel is given in r3 from the board > firmware. > > > Is there a standard convention for passing this information? > > > > Yep, it's called the flat device tree. > > Which PPC booke are you trying to get this to work on? > > - kumar > > [-- Attachment #2: Type: text/html, Size: 1034 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Fastboot] Re: Kexec for booke PPC processors 2006-03-02 14:32 ` dagriego @ 2006-03-02 15:26 ` Kumar Gala 0 siblings, 0 replies; 4+ messages in thread From: Kumar Gala @ 2006-03-02 15:26 UTC (permalink / raw) To: dagriego; +Cc: Michael Ellerman, linuxppc-dev, fastboot On Mar 2, 2006, at 8:32 AM, dagriego wrote: > I'm working on the E500 core, particularly the mpc8540/8560ADS boards > - David There are patches to u-boot that have been posted to allow mpc8540 ADS to boot with a flat device tree (needed by kexec). In addition the powerpc.git tree has support in arch/powerpc for building a kernel that uses that flat device tree for mpc8540 ads. I'd recommend you start with getting that going on your system. - kumar ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2006-03-02 15:26 UTC | newest]
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[not found] <3d42041d0603011443v4840d65en4f0676ff86c44e@mail.gmail.com>
2006-03-01 23:12 ` [Fastboot] Re: Kexec for booke PPC processors Michael Ellerman
2006-03-01 23:46 ` Kumar Gala
2006-03-02 14:32 ` dagriego
2006-03-02 15:26 ` Kumar Gala
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