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- # page 3-34 of "MCIMC27 Multimedia Applications Processor Reference Manual, Rev 0.3"
- # SRST pulls TRST
- #
- # Without setting these options correctly you'll see all sorts
- # of weird errors, e.g. MOE=0xe, invalid cpsr values, reset
- # failing, etc.
- reset_config trst_and_srst srst_pulls_trst
-
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME imx27
- }
-
- if { [info exists ENDIAN] } {
- set _ENDIAN $ENDIAN
- } else {
- set _ENDIAN little
- }
-
-
- # Note above there are 2 taps
-
- # trace buffer
- if { [info exists ETBTAPID] } {
- set _ETBTAPID $ETBTAPID
- } else {
- set _ETBTAPID 0x1b900f0f
- }
- jtag newtap $_CHIPNAME etb -irlen 4 -irmask 0xf -expected-id $_ETBTAPID
-
- # The CPU tap
- if { [info exists CPUTAPID] } {
- set _CPUTAPID $CPUTAPID
- } else {
- set _CPUTAPID 0x07926121
- }
- jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
-
- # Create the GDB Target.
- set _TARGETNAME $_CHIPNAME.cpu
- target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME
- # REVISIT what operating environment sets up this virtual address mapping?
- $_TARGETNAME configure -work-area-virt 0xffff4c00 -work-area-phys 0xffff4c00 \
- -work-area-size 0x8000 -work-area-backup 1
- # Internal to the chip, there is 45K of SRAM
- #
-
- arm7_9 dcc_downloads enable
-
- # trace setup
- etm config $_TARGETNAME 16 normal full etb
- etb config $_TARGETNAME $_CHIPNAME.etb
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