tcl/board/telo.cfg

   1 source [find target/c100.cfg]
   2 # basic register defintion for C100
   3 source [find target/c100regs.tcl]
   4 # board-config info
   5 source [find target/c100config.tcl]
   6 # C100 helper functions
   7 source [find target/c100helper.tcl]
   8
   9
  10 # Telo board & C100 support trst and srst
  11 # however openocd does not support
  12 # 1. setting srst reset pulse width
  13 # 2. setting delay between srst pulse and JTAG access
  14 # This really makes the srst useless for now.
  15 reset_config trst_and_srst separate
  16
  17
  18
  19 # issue telnet: reset init
  20 # issue gdb: monitor reset init
  21 $_TARGETNAME configure -event reset-init {
  22         jtag_khz 100
  23         # setup GPIO used as control signals for C100
  24         setupGPIO
  25         # This will allow acces to lower 8MB or NOR
  26         lowGPIO5
  27         # setup NOR size,timing,etc.
  28         setupNOR
  29         # setup internals + PLL + DDR2
  30         initC100
  31         #turn up the JTAG speed
  32         jtag_khz 3000
  33         puts "JTAG speek now 3MHz"
  34         puts "type helpC100 to get help on C100"
  35 }
  36
  37 $_TARGETNAME configure -event reset-deassert-post {
  38         # Force target into ARM state.
  39 #       soft_reset_halt # not implemented on ARM11
  40         puts "Detected SRSRT asserted on C100.CPU"
  41
  42 }
  43
  44 proc power_restore {} { puts "Sensed power restore. No action." }
  45 proc srst_deasserted {} { puts "Sensed nSRST deasserted. No action." }
  46
  47
  48 # boots from NOR on CS0:  8 MBytes CFI flash, 16-bit bus
  49 # it's really 16MB but the upper 8mb is controller via gpio
  50 # openocd does not support 'complex reads/writes' to NOR
  51 flash bank cfi 0x20000000 0x01000000 2 2 $_TARGETNAME
  52
  53 # writing data to memory does not work without this
  54 memwrite burst disable