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 >
