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@@ -0,0 +1,51 @@ |
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source [find target/icepick.cfg] |
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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 am437x |
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} |
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# |
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# M3 DAP |
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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 0x4b6b902f |
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} |
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jtag newtap $_CHIPNAME m3_dap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_M3_DAP_TAPID -disable |
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jtag configure $_CHIPNAME.m3_dap -event tap-enable "icepick_d_tapenable $_CHIPNAME.jrc 11" |
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# |
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# Cortex 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 0x4b6b902f |
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} |
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jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_DAP_TAPID -disable |
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jtag configure $_CHIPNAME.dap -event tap-enable "icepick_d_tapenable $_CHIPNAME.jrc 12" |
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# |
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# ICEpick-D (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 0x0b98c02f |
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} |
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jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f -expected-id $_JRC_TAPID -ignore-version |
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jtag configure $_CHIPNAME.jrc -event setup "jtag tapenable $_CHIPNAME.dap" |
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# some TCK tycles are required to activate the DEBUG power domain |
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jtag configure $_CHIPNAME.jrc -event post-reset "runtest 100" |
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# |
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# Cortex A9 target |
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# |
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set _TARGETNAME $_CHIPNAME.cpu |
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target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.dap |
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# SRAM: 64K at 0x4030.0000; use the first 16K |
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$_TARGETNAME configure -work-area-phys 0x40300000 -work-area-size 0x4000 |