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Date: Wed, 25 May 2005 10:48:45 -0700
From: Shawn Jin <shawnxjin@gmail.com>
To: John Otken <jotken@softadvances.com>,
	ppcembed <linuxppc-embedded@ozlabs.org>
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	<4292A441.4080708@softadvances.com>
Subject: Re: 2.6.10 unable to mount a root fs on ramdisk
Reply-To: Shawn Jin <shawnxjin@gmail.com>
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Hi John,

Thanks for your answer.

I did add these lines to the code. Actually it turned out that I was
so stupid that I didn't enable EXT2 filesystem support in the kernel.
That's why the kernel always complained unknown block.

-Shawn.

On 5/23/05, John Otken <jotken@softadvances.com> wrote:
> I had this problem with MV code on a Bamboo board.  Look at
> platform_init() in ebony.c.  Before the call to ibm44x_platform_init() ad=
d:
>=20
>        /*
>         * If we were passed in a board information, copy it into the
>         * residual data area.
>         */
>        if (r3)
>                __res =3D *(bd_t *)(r3 + KERNELBASE);
>=20
>        /*
>         * If the init RAM disk has been configured in, and there's a vali=
d
>         * starting address for it, set it up.
>         */
>        if (r4) {
>            initrd_start =3D r4 + KERNELBASE;
>            initrd_end =3D r5 + KERNELBASE;
>        }
>=20
>        /* Copy the kernel command line arguments to a safe place. */
>=20
>        if (r6) {
>            *(char *) (r7 + KERNELBASE) =3D 0;
>            strcpy(cmd_line, (char *) (r6 + KERNELBASE));
>        }