tcl/target/omap2420.cfg

   1 # Texas Instruments OMAP 2420
   2 #       http://www.ti.com/omap
   3 # as seen in Nokia N8x0 tablets
   4
   5 if { [info exists CHIPNAME] } {
   6    set _CHIPNAME $CHIPNAME
   7 } else {
   8    set _CHIPNAME omap2420
   9 }
  10
  11 # NOTE: likes slowish clock on reset (1.5 MBit/s or less) or use RCLK
  12 reset_config srst_nogate
  13
  14 # Subsidiary TAP: ARM7TDMIr4 plus imaging ... must add via ICEpick (addr 6).
  15 jtag newtap $_CHIPNAME iva -irlen 4 -disable
  16
  17 # Subsidiary TAP: C55x DSP ... must add via ICEpick (addr 2).
  18 jtag newtap $_CHIPNAME dsp -irlen 38 -disable
  19
  20 # Subsidiary TAP: ARM ETB11, with scan chain for 4K of ETM trace buffer
  21 if { [info exists ETB_TAPID] } {
  22    set _ETB_TAPID $ETB_TAPID
  23 } else {
  24    set _ETB_TAPID 0x2b900f0f
  25 }
  26 jtag newtap $_CHIPNAME etb -irlen 4 -expected-id $_ETB_TAPID
  27
  28 # Subsidiary TAP: ARM1136jf-s with scan chains for ARM Debug, EmbeddedICE-RT, ETM.
  29 if { [info exists CPU_TAPID] } {
  30    set _CPU_TAPID $CPU_TAPID
  31 } else {
  32    set _CPU_TAPID 0x07b3602f
  33 }
  34 jtag newtap $_CHIPNAME arm -irlen 5 -expected-id $_CPU_TAPID
  35
  36 # Primary TAP: ICEpick-B (JTAG route controller) and boundary scan
  37 if { [info exists JRC_TAPID] } {
  38    set _JRC_TAPID $JRC_TAPID
  39 } else {
  40    set _JRC_TAPID 0x01ce4801
  41 }
  42 jtag newtap $_CHIPNAME jrc -irlen 2 -expected-id $_JRC_TAPID
  43
  44 # GDB target: the ARM.
  45 set _TARGETNAME $_CHIPNAME.arm
  46 target create $_TARGETNAME arm11 -chain-position $_TARGETNAME
  47
  48 # scratch: framebuffer, may be initially unavailable in some chips
  49 $_TARGETNAME configure -work-area-phys 0x40210000
  50 $_TARGETNAME configure -work-area-size 0x00081000
  51 $_TARGETNAME configure -work-area-backup 0
  52
  53 # trace setup ... NOTE, "normal full" mode fudges the real ETMv3.1 mode
  54 etm config $_TARGETNAME 16 normal full etb
  55 etb config $_TARGETNAME $_CHIPNAME.etb
  56
  57 # RM_RSTCTRL_WKUP.RST.GS - Trigger a global software reset, and
  58 # give it a chance to finish before we talk to the chip again.
  59 set RM_RSTCTRL_WKUP 0x48008450
  60 $_TARGETNAME configure -event reset-assert \
  61         "halt; $_TARGETNAME mww $RM_RSTCTRL_WKUP 2; sleep 200"