From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pw0-f43.google.com (mail-pw0-f43.google.com [209.85.160.43]) by ozlabs.org (Postfix) with ESMTP id 7B584B7BE5 for ; Tue, 8 Dec 2009 18:12:09 +1100 (EST) Received: by pwi13 with SMTP id 13so423646pwi.2 for ; Mon, 07 Dec 2009 23:12:07 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <8148211e0912071825t22ffa590va2fe22272f6aaf62@mail.gmail.com> References: <8148211e0912061953n59dfbe4fsea033494ad8b6fcc@mail.gmail.com> <20091207180511.GA8914@loki.buserror.net> <8148211e0912071825t22ffa590va2fe22272f6aaf62@mail.gmail.com> Date: Tue, 8 Dec 2009 15:12:07 +0800 Message-ID: <389deec70912072312i59aa431fi87b79ac64cca9ecc@mail.gmail.com> Subject: Re: Ping does not work on my MPC8544 board, using linux2.6.23 From: hank peng To: =?UTF-8?B?5p6X5b+X5bmz?= Content-Type: text/plain; charset=UTF-8 Cc: Scott Wood , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 2009/12/8 =E6=9E=97=E5=BF=97=E5=B9=B3 : > > 2009/12/8 Scott Wood >> >> On Mon, Dec 07, 2009 at 11:53:22AM +0800, =E6=9E=97=E5=BF=97=E5=B9=B3 wr= ote: >> > Does dtc1.2.0 can compile dts files under linux2.6.23? >> >> Probably not -- 2.6.23 is very old, and I think newer dtcs only support >> the >> newer dts syntax. >> >> > Another question is that I found linux2.6.31 does not support >> > board mpc8544ds, >> >> It should. =C2=A0What problems do you see? > > =3D> bootm 0x1000000 0x1800000 0x800000 > ## Booting kernel from Legacy Image at 01000000 ... > =C2=A0=C2=A0 Image Name:=C2=A0=C2=A0 Linux-2.6.31 > =C2=A0=C2=A0 Image Type:=C2=A0=C2=A0 PowerPC Linux Kernel Image (gzip com= pressed) > =C2=A0=C2=A0 Data Size:=C2=A0=C2=A0=C2=A0 2185099 Bytes =3D=C2=A0 2.1 MB > =C2=A0=C2=A0 Load Address: 00000000 > =C2=A0=C2=A0 Entry Point:=C2=A0 00000000 > =C2=A0=C2=A0 Verifying Checksum ... OK > ## Loading init Ramdisk from Legacy Image at 01800000 ... > =C2=A0=C2=A0 Image Name:=C2=A0=C2=A0 Simple Embedded Linux Framework > =C2=A0=C2=A0 Image Type:=C2=A0=C2=A0 PowerPC Linux RAMDisk Image (gzip co= mpressed) > =C2=A0=C2=A0 Data Size:=C2=A0=C2=A0=C2=A0 1859256 Bytes =3D=C2=A0 1.8 MB > =C2=A0=C2=A0 Load Address: 00000000 > =C2=A0=C2=A0 Entry Point:=C2=A0 00000000 > =C2=A0=C2=A0 Verifying Checksum ... OK > ## Flattened Device Tree blob at 00800000 > =C2=A0=C2=A0 Booting using the fdt blob at 0x800000 > =C2=A0=C2=A0 Uncompressing Kernel Image ... OK > =C2=A0=C2=A0 Loading Ramdisk to 1fca7000, end 1fe6ceb8 ... OK > booting kernel using flat tree > It then stops and never print any more,=C2=A0 I use mpc85xx_defconfig, I = select > mpc85xxds in the menuconfig and deselect other options like mpc8540ads et= c. >> Try to change "link_address=3D'0x400000'" tp "link_address=3D'0x800000'" in arch/powerpc/boot/wrapper. If you have result, remember to give me a feedback. >> > And I never boot linux-2.6.31 on my board, why linux-2.6.31 doesnot >> > provide a config file like mpc8544_ds_defconfig? >> >> Does mpc85xx_defconfig not work? > > Yes mcp85xx_defconfig does not work, I can see mpc8540ads in the menuconf= ig, > but no mpc8544ds. And when I down load the generated uImage, It does not > work. > >> >> -Scott > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev > --=20 The simplest is not all best but the best is surely the simplest!