Prabhakar, I recently checked-in a patch for CSB250 support, courtesy of Embedded Edge. The port is big endian. I assume you haven't seen the bits because you haven't pulled the latest bits from the linux-mips tree and that's why you're trying to port it yourself? Pete On Wed, 2003-09-24 at 09:12, Lyle Bainbridge wrote: > Hi, > > I believe that the CSB250 port will support big or small endian. Check > out the latest mips-linux kernel code first (2.4.22 I beleive). Then you > need to use a big endian toolchain. Mips not Mipsel (ie, > mips-linux-gcc). Then open the arch/mips/defconfig-csb250 file and > modify the CONFIG_CPU_LITTLE_ENDIAN option. It should be: > > CONFIG_CPU_LITTLE_ENDIAN=y > > Then continue to build the kernel as you would for little endian. I > think that's all from the kernel standpoint. But, are you using Micromon > to boot the kernel? By default I think the CSB250 and it's monitor are > built little endian, and you won't be able to use this if you want a BE > kernel. You need the boot loader to put the Au1500 into BE mode. > > Email if you need more details. > > Lyle > > > > > -----Original Message----- > > From: linux-mips-bounce@linux-mips.org > > [mailto:linux-mips-bounce@linux-mips.org] On Behalf Of > > Prabhakar Kalasani > > Sent: Wednesday, September 24, 2003 10:15 AM > > To: 'linux-mips@linux-mips.org' > > Subject: How to translate Little to Big endian ? > > > > > > Hi all, > > I'm trying to port linux-2.4.21 on CSB250 , which is Au1500 > > processor based board, the processor is a Big endian, I have > > taken PB1500 board as my prototype, but it's used Au1500 > > Little endian. anybody could help me out, what are the > > changes do i need to change to make a Little endian souce > > into Big endian source. > > > > Is anybody worked on Cogent's CSB250 board till. > > > > Thanks in advance > > Prabhakar > > > > >
