1 # Texas Instruments OMAP 2420
2 # http://www.ti.com/omap
4 if { [info exists CHIPNAME] } {
5 set _CHIPNAME $CHIPNAME
10 # NOTE: likes slowish clock on reset (1.5 MBit/s or less) or use RCLK
11 reset_config srst_nogate
13 # Subsidiary TAP: ARM7TDMIr4 plus imaging ... must add via ICEpick (addr 6).
14 jtag newtap $_CHIPNAME iva -irlen 4 -disable
16 # Subsidiary TAP: C55x DSP ... must add via ICEpick (addr 2).
17 jtag newtap $_CHIPNAME dsp -irlen 38 -disable
19 # Subsidiary TAP: ARM ETB11, with scan chain for 4K of ETM trace buffer
20 if { [info exists ETB_TAPID ] } {
21 set _ETB_TAPID $ETB_TAPID
23 set _ETB_TAPID 0x2b900f0f
25 jtag newtap $_CHIPNAME etb -irlen 4 -expected-id $_ETB_TAPID
27 # Subsidiary TAP: ARM1136jf-s with scan chains for ARM Debug, EmbeddedICE-RT, ETM.
28 if { [info exists CPU_TAPID ] } {
29 set _CPU_TAPID $CPU_TAPID
31 set _CPU_TAPID 0x07b3602f
33 jtag newtap $_CHIPNAME arm -irlen 5 -expected-id $_CPU_TAPID
35 # Primary TAP: ICEpick-B (JTAG route controller) and boundary scan
36 if { [info exists JRC_TAPID ] } {
37 set _JRC_TAPID $JRC_TAPID
39 set _JRC_TAPID 0x01ce4801
41 jtag newtap $_CHIPNAME jrc -irlen 2 -expected-id $_JRC_TAPID
43 # GDB target: the ARM.
44 set _TARGETNAME $_CHIPNAME.arm
45 target create $_TARGETNAME arm11 -chain-position $_TARGETNAME
47 # scratch: framebuffer, may be initially unavailable in some chips
48 $_TARGETNAME configure -work-area-phys 0x40210000
49 $_TARGETNAME configure -work-area-size 0x00081000
50 $_TARGETNAME configure -work-area-backup 0
53 # REVISIT ... as of 12-June-2009, OpenOCD's ETM code can't talk to ARM11 cores.
54 #etm config $_TARGETNAME 16 normal full etb
55 #etb config $_TARGETNAME $_CHIPNAME.etb