ecab0cfe25
Kick in ETM (and ETB) support for ARM11. Tested on OMAP 2420, so update that configuration. (That's an ARM1136ejs, ETB, OpenGL ES1.1, C55x DSP, etc.) Also update the other ARM11 ETM + ETB targets in the tree to set up these modules. (Not tested.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
67 lines
1.8 KiB
INI
67 lines
1.8 KiB
INI
# imx31 config
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#
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reset_config trst_and_srst srst_gates_jtag
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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 imx31
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}
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if { [info exists ENDIAN] } {
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set _ENDIAN $ENDIAN
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} else {
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set _ENDIAN little
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}
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if { [info exists CPUTAPID ] } {
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set _CPUTAPID $CPUTAPID
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} else {
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set _CPUTAPID 0x07b3601d
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}
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if { [info exists SDMATAPID ] } {
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set _SDMATAPID $SDMATAPID
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} else {
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set _SDMATAPID 0x2190101d
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}
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if { [info exists ETBTAPID ] } {
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set _ETBTAPID $ETBTAPID
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} else {
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set _ETBTAPID 0x2b900f0f
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}
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#========================================
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jtag newtap $_CHIPNAME etb -irlen 4 -irmask 0xf -expected-id $_ETBTAPID
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# The "SDMA" - <S>mart <DMA> controller debug tap
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# Based on some IO pins - this can be disabled & removed
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# See diagram: 6-14
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# SIGNAL NAME:
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# SJC_MOD - controls multiplexer - disables ARM1136
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# SDMA_BYPASS - disables SDMA -
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#
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# Per ARM: DDI0211J_arm1136_r1p5_trm.pdf - the ARM 1136 as a 5 bit IR register
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jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_CPUTAPID
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# No IDCODE for this TAP
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jtag newtap $_CHIPNAME whatchacallit -irlen 4 -ircapture 0 -irmask 0xf -expected-id 0x0
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# Per section 40.17.1, table 40-85 the IR register is 4 bits
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# But this conflicts with Diagram 6-13, "3bits ir and drs"
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jtag newtap $_CHIPNAME smda -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_SDMATAPID
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME arm11 -endian $_ENDIAN -chain-position $_TARGETNAME
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proc power_restore {} { puts "Sensed power restore. No action." }
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proc srst_deasserted {} { puts "Sensed nSRST deasserted. No action." }
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# trace setup ... NOTE, "normal full" mode fudges the real ETMv3.1 mode
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etm config $_TARGETNAME 16 normal full etb
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etb config $_TARGETNAME $_CHIPNAME.etb
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