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| author | Felipe Balbi <balbi@ti.com> | 2014-02-28 18:22:35 -0600 |
|---|---|---|
| committer | Spencer Oliver <spen@spen-soft.co.uk> | 2014-03-17 12:53:02 +0000 |
| commit | 3201a104fe198fc40f515a99ea56621f90302e2b (patch) | |
| tree | 6f64c17cda399511543049115d6c4fcffa206554 /tcl | |
| parent | 8d8937359606a56f1cda19d858a4edcda93eacb9 (diff) | |
| download | riscv-openocd-3201a104fe198fc40f515a99ea56621f90302e2b.zip riscv-openocd-3201a104fe198fc40f515a99ea56621f90302e2b.tar.gz riscv-openocd-3201a104fe198fc40f515a99ea56621f90302e2b.tar.bz2 | |
tcl: target: icepick: add icepick_d_tapenable procedure
instead of replicating icepick_d_tapenable in many of TI's newer
platforms, we can move to icepick.cfg and just call it from board TCL
configuration file. This is similar to the C but has a few changes we
need to make.
Change-Id: I0ab48005ccd66cd5b67b919fb5e3b462288f211d
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
Reviewed-on: http://openocd.zylin.com/2030
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'tcl')
| -rw-r--r-- | tcl/target/am335x.cfg | 21 | ||||
| -rw-r--r-- | tcl/target/icepick.cfg | 26 |
2 files changed, 25 insertions, 22 deletions
diff --git a/tcl/target/am335x.cfg b/tcl/target/am335x.cfg index af06f79..6fad92c 100644 --- a/tcl/target/am335x.cfg +++ b/tcl/target/am335x.cfg @@ -1,3 +1,4 @@ +source [find target/icepick.cfg] if { [info exists CHIPNAME] } { set _CHIPNAME $CHIPNAME @@ -5,26 +6,6 @@ if { [info exists CHIPNAME] } { set _CHIPNAME am335x } -# This chip contains an IcePick-D JTAG router. The IcePick-C configuration is almost -# compatible, but it doesn't work. For now, we will just embed the IcePick-D -# routines here. -proc icepick_d_tapenable {jrc port} { - # select router - irscan $jrc 7 -endstate IRPAUSE - drscan $jrc 8 0x89 -endstate DRPAUSE - - # set ip control - irscan $jrc 2 -endstate IRPAUSE - drscan $jrc 32 [expr 0xa0002108 + ($port << 24)] -endstate DRPAUSE - - # for icepick_D - irscan $jrc 2 -endstate IRPAUSE - drscan $jrc 32 0xe0002008 -endstate DRPAUSE - - irscan $jrc 0x3F -endstate RUN/IDLE - runtest 10 -} - # # M3 DAP # diff --git a/tcl/target/icepick.cfg b/tcl/target/icepick.cfg index 093d209..13a6a51 100644 --- a/tcl/target/icepick.cfg +++ b/tcl/target/icepick.cfg @@ -3,8 +3,9 @@ # Copyright (C) 2009 by David Brownell # -# Utilities for TI ICEpick-C ... used in DaVinci, OMAP3, and more. -# Details about the ICEPickC are available in the AM/DM37x document SPRUGN4M +# Utilities for TI ICEpick-C/D used in most TI SoCs +# Details about the ICEPick are available in the the TRM for each SoC +# and http://processors.wiki.ti.com/index.php/ICEPICK # create "constants" proc CONST { key } { @@ -106,6 +107,27 @@ proc icepick_c_tapenable {jrc port} { runtest 10 } +# jrc == TAP name for the ICEpick +# port == a port number, 0..15 +# Follow the sequence described in +# http://processors.wiki.ti.com/images/f/f6/Router_Scan_Sequence-ICEpick-D.pdf +proc icepick_d_tapenable {jrc port} { + # First CONNECT to the ICEPick + icepick_c_connect $jrc + + # Select the port + irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE + drscan $jrc 32 [expr 0xa0002108 + ($port << 24)] -endstate DRPAUSE + + # Set 4 bit core ID to the Cortex-A + irscan $jrc [CONST IR_ROUTER] -endstate IRPAUSE + drscan $jrc 32 0xe0002008 -endstate DRPAUSE + + # Enter the bypass state + irscan $jrc [CONST IF_BYPASS] -endstate RUN/IDLE + runtest 10 +} + # This function uses the ICEPick to send a warm system reset proc icepick_c_wreset {jrc} { |