From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <389704A9.444FA736@netx4.com> Date: Tue, 01 Feb 2000 11:07:05 -0500 From: Dan Malek MIME-Version: 1.0 To: Brendan.Simon@ctam.com.au CC: linuxppc-embedded Subject: Re: mpc8xx-2.2.13 kernel hangs during boot. References: <200002010035.BAA26304@denx.local.net> <3896CEA3.EBA97957@ctam.com.au> <38968BC0.6FD6E801@netx4.com> <38976797.F621D0A9@ctam.com.au> Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Brendan John Simon wrote: > The memory controller is setup in my boot loader. It knows nothing about VMA, only > PMA. This has nothing to do with the 8xx memory controller. It is the way the Linux kernel maps its virtual space. > I am happy with this but am not sure what the DRAM address should be. > Should I map CS1 and CS2 to 0x00000000 or 0xC0000000 ? DRAM should map to 0. > ... I sounds > like I will probably need it to access my peripherals from within linux. Is this > correct ? Yes. It is simply the kernel memory mapping function, similar to what mmap() does in a user application. -- Dan ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/