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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5544 42af7a65-404d-4744-a932-0658087f49c3sbg
patacongo
12 years ago
7 changed files with 311 additions and 27 deletions
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# |
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# TI/Luminary Stellaris LM3S6965 Evaluation Kits |
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# |
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# http://www.luminarymicro.com/products/lm3s6965_ethernet_evaluation_kit.html |
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# NOTE: using the on-board FT2232 JTAG/SWD/SWO interface is optional! |
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# so is using it in JTAG mode, as done here. |
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# Interface configuration |
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interface ft2232 |
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ft2232_device_desc "Stellaris Evaluation Board" |
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ft2232_layout luminary_icdi |
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ft2232_vid_pid 0x0403 0xbcd9 |
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# Board configuration |
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# 20k working area |
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set WORKAREASIZE 0x5000 |
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set CHIPNAME lm3s6965 |
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# Target configuration |
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# Some devices have errata in returning their device class. |
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# DEVICECLASS is provided as a manual override |
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# Manual setting of a device class of 0xff is not allowed |
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global _DEVICECLASS |
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if { [info exists DEVICECLASS ] } { |
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set _DEVICECLASS $DEVICECLASS |
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} else { |
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set _DEVICECLASS 0xff |
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} |
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# Luminary chips support both JTAG and SWD transports. |
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# Adapt based on what transport is active. |
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source [find target/swj-dp.tcl] |
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# For now we ignore the SPI and UART options, which |
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# are usable only for ISP style initial flash programming. |
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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 lm3s |
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} |
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# CPU TAP ID 0x1ba00477 for early Sandstorm parts |
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# CPU TAP ID 0x2ba00477 for later SandStorm parts, e.g. lm3s811 Rev C2 |
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# CPU TAP ID 0x3ba00477 for Cortex-M3 r1p2 (on Fury, DustDevil) |
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# CPU TAP ID 0x4ba00477 for Cortex-M3 r2p0 (on Tempest) |
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# ... we'll ignore the JTAG version field, rather than list every |
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# chip revision that turns up. |
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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 0x3ba00477 |
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} |
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# SWD DAP, and JTAG TAP, take same params for now; |
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# ... even though SWD ignores all except TAPID, and |
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# JTAG shouldn't need anything more then irlen. (and TAPID). |
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swj_newdap $_CHIPNAME cpu -irlen 4 -irmask 0xf \ |
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-expected-id $_CPUTAPID -ignore-version |
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if { [info exists WORKAREASIZE ] } { |
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set _WORKAREASIZE $WORKAREASIZE |
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} else { |
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# default to 8K working area |
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set _WORKAREASIZE 0x2000 |
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} |
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set _TARGETNAME $_CHIPNAME.cpu |
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target create $_TARGETNAME cortex_m3 -chain-position $_CHIPNAME.cpu |
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# 8K working area at base of ram, not backed up |
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# |
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# NOTE: you may need or want to reconfigure the work area; |
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# some parts have just 6K, and you may want to use other |
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# addresses (at end of mem not beginning) or back it up. |
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$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE |
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# JTAG speed ... slow enough to work with a 12 MHz RC oscillator; |
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# LM3S parts don't support RTCK |
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# |
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# NOTE: this may be increased by a reset-init handler, after it |
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# configures and enables the PLL. Or you might need to decrease |
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# this, if you're using a slower clock. |
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adapter_khz 500 |
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source [find mem_helper.tcl] |
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$_TARGETNAME configure -event reset-start { |
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adapter_khz 500 |
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# |
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# When nRST is asserted on most Stellaris devices, it clears some of |
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# the debug state. The ARMv7M and Cortex-M3 TRMs say that's wrong; |
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# and OpenOCD depends on those TRMs. So we won't use SRST on those |
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# chips. (Only power-on reset should affect debug state, beyond a |
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# few specified bits; not the chip's nRST input, wired to SRST.) |
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# |
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# REVISIT current errata specs don't seem to cover this issue. |
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# Do we have more details than this email? |
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# https://lists.berlios.de/pipermail |
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# /openocd-development/2008-August/003065.html |
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# |
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global _DEVICECLASS |
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if {$_DEVICECLASS != 0xff} { |
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set device_class $_DEVICECLASS |
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} else { |
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set device_class [expr (([mrw 0x400fe000] >> 16) & 0xff)] |
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} |
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if {$device_class == 0 || $device_class == 1 || $device_class == 3} { |
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# Sandstorm, Fury and DustDevil are able to use NVIC SYSRESETREQ |
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cortex_m3 reset_config sysresetreq |
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} else { |
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# Tempest and newer default to using NVIC VECTRESET |
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# this does mean a reset-init event handler is required to reset |
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# any peripherals |
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cortex_m3 reset_config vectreset |
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} |
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} |
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# flash configuration ... autodetects sizes, autoprobed |
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flash bank $_CHIPNAME.flash stellaris 0 0 0 0 $_TARGETNAME |
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#!/bin/sh |
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# |
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# See configs/lm3s6965-ek/README.txt for information about |
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# this file. |
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TOPDIR=$1 |
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USAGE="$0 <TOPDIR> [-d]" |
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if [ -z "${TOPDIR}" ]; then |
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echo "Missing argument" |
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echo $USAGE |
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exit 1 |
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fi |
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# Assume that OpenOCD was installed and at /usr/local/bin. Uncomment |
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# the following to run directly from the build directory |
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#OPENOCD_PATH="/home/OpenOCD/openocd/src" |
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#TARGET_PATH="/home/OpenOCD/openocd/tcl" |
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OPENOCD_PATH="/usr/bin" |
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TARGET_PATH="/usr/share/openocd/scripts" |
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# Assume a Unix development environment. Uncomment to use a Windows |
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# like environment |
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#OPENOCD_EXE=openocd.exe |
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OPENOCD_EXE=openocd |
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OPENOCD_CFG="${TOPDIR}/configs/lm3s6965-ek/tools/ek-lm3s6965.cfg" |
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OPENOCD_ARGS="-f ${OPENOCD_CFG} -s ${TARGET_PATH}" |
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if [ "X$2" = "X-d" ]; then |
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OPENOCD_ARGS=$OPENOCD_ARGS" -d3" |
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set -x |
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fi |
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if [ ! -d ${OPENOCD_PATH} ]; then |
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echo "OpenOCD path does not exist: ${OPENOCD_PATH}" |
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exit 1 |
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fi |
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if [ ! -x ${OPENOCD_PATH}/${OPENOCD_EXE} ]; then |
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echo "OpenOCD does not exist: ${OPENOCD_PATH}/${OPENOCD_EXE}" |
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exit 1 |
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fi |
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if [ ! -f ${OPENOCD_CFG} ]; then |
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echo "OpenOCD config file does not exist: ${OPENOCD_CFG}" |
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exit 1 |
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fi |
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echo "Starting OpenOCD" |
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cd ${OPENOCD_PATH} || { echo "Failed to CD to ${OPENOCD_PATH}"; exit 1; } |
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${OPENOCD_EXE} ${OPENOCD_ARGS} & |
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echo "OpenOCD daemon started" |
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ps -ef | grep openocd |
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echo "In GDB: target remote localhost:3333" |
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