ecd709fa55
Behave like OMAP3530: force global software reset. Given the patch to teach ARM11 how to use these events, and use VCR to catch the reset vector, this works better than either the current reset logic or than using SRST. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
62 lines
1.9 KiB
INI
62 lines
1.9 KiB
INI
# Texas Instruments OMAP 2420
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# http://www.ti.com/omap
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# as seen in Nokia N8x0 tablets
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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 omap2420
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}
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# NOTE: likes slowish clock on reset (1.5 MBit/s or less) or use RCLK
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reset_config srst_nogate
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# Subsidiary TAP: ARM7TDMIr4 plus imaging ... must add via ICEpick (addr 6).
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jtag newtap $_CHIPNAME iva -irlen 4 -disable
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# Subsidiary TAP: C55x DSP ... must add via ICEpick (addr 2).
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jtag newtap $_CHIPNAME dsp -irlen 38 -disable
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# Subsidiary TAP: ARM ETB11, with scan chain for 4K of ETM trace buffer
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if { [info exists ETB_TAPID ] } {
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set _ETB_TAPID $ETB_TAPID
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} else {
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set _ETB_TAPID 0x2b900f0f
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}
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jtag newtap $_CHIPNAME etb -irlen 4 -expected-id $_ETB_TAPID
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# Subsidiary TAP: ARM1136jf-s with scan chains for ARM Debug, EmbeddedICE-RT, ETM.
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if { [info exists CPU_TAPID ] } {
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set _CPU_TAPID $CPU_TAPID
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} else {
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set _CPU_TAPID 0x07b3602f
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}
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jtag newtap $_CHIPNAME arm -irlen 5 -expected-id $_CPU_TAPID
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# Primary TAP: ICEpick-B (JTAG route controller) and boundary scan
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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 0x01ce4801
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}
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jtag newtap $_CHIPNAME jrc -irlen 2 -expected-id $_JRC_TAPID
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# GDB target: the ARM.
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set _TARGETNAME $_CHIPNAME.arm
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target create $_TARGETNAME arm11 -chain-position $_TARGETNAME
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# scratch: framebuffer, may be initially unavailable in some chips
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$_TARGETNAME configure -work-area-phys 0x40210000
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$_TARGETNAME configure -work-area-size 0x00081000
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$_TARGETNAME configure -work-area-backup 0
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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 $_CHIPNAME.etb
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# RM_RSTCTRL_WKUP.RST.GS - Trigger a global software reset, and
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# give it a chance to finish before we talk to the chip again.
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set RM_RSTCTRL_WKUP 0x48008450
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$_TARGETNAME configure -event reset-assert \
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"halt; $_TARGETNAME mww $RM_RSTCTRL_WKUP 2; sleep 200"
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