source [find target/c100.cfg] # basic register defintion for C100 source [find target/c100regs.tcl] # board-config info source [find target/c100config.tcl] # C100 helper functions source [find target/c100helper.tcl] # Telo board & C100 support trst and srst # however openocd does not support # 1. setting srst reset pulse width # 2. setting delay between srst pulse and JTAG access # This really makes the srst useless for now. reset_config trst_and_srst separate # issue telnet: reset init # issue gdb: monitor reset init $_TARGETNAME configure -event reset-init { jtag_khz 100 # setup GPIO used as control signals for C100 setupGPIO # This will allow acces to lower 8MB or NOR lowGPIO5 # setup NOR size,timing,etc. setupNOR # setup internals + PLL + DDR2 initC100 #turn up the JTAG speed jtag_khz 3000 puts "JTAG speek now 3MHz" puts "type helpC100 to get help on C100" } $_TARGETNAME configure -event reset-deassert-post { # Force target into ARM state. # soft_reset_halt # not implemented on ARM11 puts "Detected SRSRT asserted on C100.CPU" } proc power_restore {} { puts "Sensed power restore. No action." } proc srst_deasserted {} { puts "Sensed nSRST deasserted. No action." } # boots from NOR on CS0: 8 MBytes CFI flash, 16-bit bus # it's really 16MB but the upper 8mb is controller via gpio # openocd does not support 'complex reads/writes' to NOR flash bank cfi 0x20000000 0x01000000 2 2 $_TARGETNAME # writing data to memory does not work without this memwrite burst disable