1 # SPDX-License-Identifier: GPL-2.0-or-later
3 # page 3-34 of "MCIMC27 Multimedia Applications Processor Reference Manual, Rev 0.3"
6 # Without setting these options correctly you'll see all sorts
7 # of weird errors, e.g. MOE=0xe, invalid cpsr values, reset
9 reset_config trst_and_srst srst_pulls_trst
11 if { [info exists CHIPNAME] } {
12 set _CHIPNAME $CHIPNAME
17 if { [info exists ENDIAN] } {
24 # Note above there are 2 taps
27 if { [info exists ETBTAPID] } {
28 set _ETBTAPID $ETBTAPID
30 set _ETBTAPID 0x1b900f0f
32 jtag newtap $_CHIPNAME etb -irlen 4 -irmask 0xf -expected-id $_ETBTAPID
35 if { [info exists CPUTAPID] } {
36 set _CPUTAPID $CPUTAPID
38 set _CPUTAPID 0x07926121
40 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
42 # Create the GDB Target.
43 set _TARGETNAME $_CHIPNAME.cpu
44 target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME
45 # REVISIT what operating environment sets up this virtual address mapping?
46 $_TARGETNAME configure -work-area-virt 0xffff4c00 -work-area-phys 0xffff4c00 \
47 -work-area-size 0x8000 -work-area-backup 1
48 # Internal to the chip, there is 45K of SRAM
51 arm7_9 dcc_downloads enable
54 etm config $_TARGETNAME 16 normal full etb
55 etb config $_TARGETNAME $_CHIPNAME.etb