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Re: marvell relation support 20100413



Hi! Allen,


From: Allen Wong <allen%submoron.org@localhost>
Date: Fri, 20 Aug 2010 22:18:42 -0700

> -> From: KIYOHARA Takashi <kiyohara%kk.iij4u.or.jp@localhost>
> -> Date: Wed, 09 Jun 2010 14:16:16 +0900 (JST)
> -> 
> -> > Next, I want to be porting Kirkwood and Discovery Innovation with
> -> > several developers.
> -> 
> -> I put newer patch and tar-file.
> -> 
> -> ftp://ftp.netbsd.org/pub/NetBSD/misc/kiyohara/marvell/marvell-20100801.diff
> -> 
> ftp://ftp.netbsd.org/pub/NetBSD/misc/kiyohara/marvell/marvell-20100801.tar.gz
> -> 

> Unfortunately, my Sheevaplug can't boot the kernel (see u-boot messages 
> below).
> I built this from the current source from Aug. 20 with the above patch applied
> and kernel files installed.
> 
> What information can I provide to troubleshoot this further?

> ## Booting image at 02000000 ...
>    Image Name:   NetBSD/sheevaplug 5.99.38
>    Created:      2010-08-20   4:27:22 UTC
>    Image Type:   ARM NetBSD Kernel Image (gzip compressed)
>    Data Size:    1991758 Bytes =  1.9 MB
>    Load Address: 00008000
>    Entry Point:  00008000
>    Verifying Checksum ... OK
>    Uncompressing Kernel Image ... OK
> ## Transferring control to NetBSD stage-2 loader (at address 00008000) ...
> software interrupt
> pc : [<00008008>]          lr : [<0060022c>]

hmm...   ^^^^^^^^
I don't understand... ;-<

you Sheevaplug happen software-interrupt-exception at 0x8008.  netbsd's
entry point is 0x8000.

Can you try ?

    # arm--netbsdelf-objdump -d your-SHEVAPLUG/netbsd

    c0008000 <marvell_start>:
    c0008000:       ee104f10        mrc     15, 0, r4, cr0, cr0, {0}
    c0008004:       e3c4400f        bic     r4, r4, #15     ; 0xf
    c0008008:       e28f50c4        add     r5, pc, #196    ; 0xc4
    c000800c:       e28f60c8        add     r6, pc, #200    ; 0xc8

Do you try to boot my test kernel?
# I replaced cpufunc_asm_sheeva.S to FreeBSD's.
# I see message "/etc/rc.conf is " from /etc/rc.  And, it hung up.  ;-)

Thanks,
--
kiyohara


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