Our board is DB64460A1-MPC7457,which has MPC7457 cpu. I give the configuration file to you below. could you give us your bdi2000 configuration file? and what is the version of gdb and gdb using by you?
;bdiGDB configuration file
;-------------------------------------------------------------- ; [INIT] ; init core register WREG MSR 0x00000000 ;MSR : ME,RI WSPR 1017 0x00000000 ;L2CR : disable L2 cache WSPR 1008 0x84000000 ;HID0 : disable I/D cache
;init memory controller
[TARGET] CPUTYPE 7457 ;the CPU type JTAGCLOCK 0 ;use 16 MHz JTAG clock BOOTADDR 0xfff00100 ;WORKSPACE 0x42000000 ;workspace in target RAM for data cache flush and L3PM access BDIMODE AGENT ;the BDI working mode (LOADONLY | AGENT | GATEWAY) STARTUP RESET BREAKMODE HARD ;SOFT or HARD, HARD uses PPC hardware breakpoint ;STEPMODE HWBP ;TRACE or HWBP, HWPB uses a hardware breakpoint STEPMODE TRACE ;DCACHE FLUSH ;data cache flushing (FLUSH | NOFLUSH) ;MMU XLAT 0xC0000000 ;enable virtual address mode MMU XLAT PTBASE 0x000000F0 ;address where kernel/user stores pointer to page table pointers ;VECTOR CATCH ;catch unhandled exceptions ;SIO 7 9600 ;TCP port for serial IO, check BCSR1: enable RS232-1 !!!
;MEMDELAY 4000 ;additional memory access delay ;REGLIST STD ;select register to transfer to GDB ;L3PM 0x00100000 0x80000 ;L3 privat memory
[HOST] IP 10.18.3.183 LOAD MANUAL ;load code MANUAL or AUTO after reset DEBUGPORT 2001
[FLASH] CHIPTYPE STRATAX16 ;Flash type (AM29F | AM29BX8 | AM29BX16 | I28BX8 | I28BX16) CHIPSIZE 0x800000 ;The size of one flash chip in bytes (e.g. Am29LV800BB = 0x100000) BUSWIDTH 32 ;The width of the flash memory bus in bits (8 | 16 | 32 | 64) WORKSPACE 0x42000000 ;workspace in SDRAM /marvell internal sram/