From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <319b0ac50808180717ka6731fdu591798ac0d8b4e82@mail.gmail.com> Date: Mon, 18 Aug 2008 16:17:58 +0200 From: "=?ISO-8859-1?Q?S=E9bastien_Chr=E9tien?=" To: michael@ellerman.id.au Subject: Re: [MPC7448] machdep_calls In-Reply-To: <1219062004.7946.5.camel@localhost> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_3282_23721124.1219069078041" References: <319b0ac50808180145r44a1b64fhd09c038ce45bb206@mail.gmail.com> <1219051624.28339.39.camel@pasglop> <319b0ac50808180422r504a012djb971bf80e819a6d2@mail.gmail.com> <319b0ac50808180435o4a8e5bebr79f86e17ba2fb9af@mail.gmail.com> <1219062004.7946.5.camel@localhost> Cc: Linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , ------=_Part_3282_23721124.1219069078041 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline The mpc7448hpc2 uses a tsi108-bridge. My board uses an IP on a FPGA.. I rea= d the code of mpc7448_hpc2.c. It uses a ioremap in order to iniatilize the tsi108 registers. But I have already initialized MMU with my registers in HEAD_32.S. Do I need to use ioremap in setup_arch() ? 2008/8/18, Michael Ellerman : > > On Mon, 2008-08-18 at 13:35 +0200, S=E9bastien Chr=E9tien wrote: > > Can somebody explain me the aim of the function "setup_arch" in the > > machine_call structure ? > > > Is this MPC7448 anything like an mpc7448hpc2 ? > > If so maybe you should start by looking at the code for it in: > > arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c > > Even if it's not related, that will give you some idea of what the > callbacks are for. > > cheers > > -- > Michael Ellerman > OzLabs, IBM Australia Development Lab > > 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 > > ------=_Part_3282_23721124.1219069078041 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline The mpc7448hpc2 uses a tsi108-bridge. My board uses an IP on a FPGA.. I rea= d the code of mpc7448_hpc2.c.
It uses a ioremap in order to iniatilize the tsi108 registers. But I have already initialized MMU with my registers in HEAD_32.S. Do I need to use ioremap in setup_arch() ?




2008/8/18, Michael Ellerman <michael@ellerman.id.au>:<= blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, 2= 04, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> On Mon, 2008-08-18 at 13:35 +0200, S=E9bastien Chr=E9tien wrote:
> C= an somebody explain me the aim of the function  "setup_arch&= quot; in the
> machine_call structure ?


Is this MPC7448= anything like an mpc7448hpc2 ?

If so maybe you should start by looking at the code for it in:
arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c

Even if it= 9;s not related, that will give you some idea of what the
callbacks are= for.

cheers

--
Michael Ellerman
OzLabs, IBM Australia Dev= elopment Lab

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


------=_Part_3282_23721124.1219069078041--