Try to disable trace32 data abort trigger,when you are debugging linux,there will be many reasonable data abort generated, just ignore them. 在 2012-3-14，23:52，"pcuser p" <pcuser.mails@xxxxxxxxx> 写道： > I'm doing kernel porting to arm926 based FPGA board,very minimal setup. > Only UART and timer devices are available as part of FPGA. > > Below are the details > #define PLAT_PHYS_OFFSET 0x80000000 (with 128 MB SDRAM) > #define CONFIG_PAGE_OFFSET 0xc0000000 > > Kernel command parameter has 64MB for mem (mem=64M) > > Memory layout: > > 0xc000_0000 - 0xc800_0000 (128MB virtual mapped SDRAM) > initramfs from 0xC200_0000 - 0xC280_0000 (8MB) > vmalloc is used from 0xc400_0000 - 0xc800_0000 > > CONFIG_HIGH_MEM not used > > device registers are accessed by using ioremap() calls > > If I enable data cache and debug with JTAG, Kernel ends up in data > abort exception vector address after paging_init() call. > > I think there is some problem in memory setup.Can some one suggest how > to overcome this... > > > Thanks, > pcuser > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
