107 lines
2.6 KiB
INI
107 lines
2.6 KiB
INI
# OMAP4430
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME omap4430
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}
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# Although the OMAP4430 supposedly has an ICEpick-D, only the
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# ICEpick-C router commands seem to work.
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# See http://processors.wiki.ti.com/index.php/ICEPICK
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source [find target/icepick.cfg]
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#
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# A9 DAP
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#
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if { [info exists DAP_TAPID ] } {
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set _DAP_TAPID $DAP_TAPID
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} else {
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set _DAP_TAPID 0x3BA00477
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}
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jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf \
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-expected-id $_DAP_TAPID -disable
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jtag configure $_CHIPNAME.dap -event tap-enable \
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"icepick_c_tapenable $_CHIPNAME.jrc 9"
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#
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# M3 DAPs, one per core
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#
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if { [info exists M3_DAP_TAPID ] } {
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set _M3_DAP_TAPID $M3_DAP_TAPID
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} else {
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set _M3_DAP_TAPID 0x4BA00477
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}
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jtag newtap $_CHIPNAME m31_dap -irlen 4 -ircapture 0x1 -irmask 0xf \
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-expected-id $_M3_DAP_TAPID -disable
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jtag configure $_CHIPNAME.m31_dap -event tap-enable \
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"icepick_c_tapenable $_CHIPNAME.jrc 5"
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jtag newtap $_CHIPNAME m30_dap -irlen 4 -ircapture 0x1 -irmask 0xf \
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-expected-id $_M3_DAP_TAPID -disable
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jtag configure $_CHIPNAME.m30_dap -event tap-enable \
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"icepick_c_tapenable $_CHIPNAME.jrc 4"
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#
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# ICEpick-D JRC (JTAG route controller)
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#
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if { [info exists JRC_TAPID ] } {
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set _JRC_TAPID $JRC_TAPID
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} else {
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set _JRC_TAPID 0x3b95c02f
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}
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jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f \
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-expected-id $_JRC_TAPID
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# Required by ICEpick to power-up the debug domain
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jtag configure $_CHIPNAME.jrc -event post-reset "runtest 200"
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#
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# GDB target: Cortex-A9, using DAP
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#
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# The debugger can connect to either core of the A9, but currently
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# not both simultaneously. Change -coreid to 1 to connect to the
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# second core.
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#
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME cortex_a9 -chain-position $_CHIPNAME.dap -coreid 0
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# SRAM: 56KiB at 0x4030.0000
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$_TARGETNAME configure -work-area-phys 0x40300000 -work-area-size 0x1000
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#
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# M3 targets, separate TAP/DAP for each core
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#
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target create $_CHIPNAME.m30 cortex_m3 -chain-position $_CHIPNAME.m30_dap
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target create $_CHIPNAME.m31 cortex_m3 -chain-position $_CHIPNAME.m31_dap
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# Once the JRC is up, enable our TAPs
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jtag configure $_CHIPNAME.jrc -event setup "
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jtag tapenable $_CHIPNAME.dap
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jtag tapenable $_CHIPNAME.m30_dap
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jtag tapenable $_CHIPNAME.m31_dap
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"
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proc omap4_dbginit {target} {
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# General Cortex A9 debug initialisation
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cortex_a9 dbginit
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}
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$_TARGETNAME configure -event reset-assert-post "omap4_dbginit $_TARGETNAME"
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# Assume SRST is unavailable (e.g. TI-14 JTAG), so we must assert reset
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# ourselves using PRM_RSTCTRL. 1 is a warm reset, 2 a cold reset.
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set PRM_RSTCTRL 0x4A307B00
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$_TARGETNAME configure -event reset-assert "$_TARGETNAME mww $PRM_RSTCTRL 0x1"
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