From 60501bb0fb0cb69f66ebb3ce3b64b69f3cadf4ff Mon Sep 17 00:00:00 2001
From: Karl Kurbjun <kkurbjun@gmail.com>
Date: Sat, 18 Sep 2010 09:55:29 -0600
Subject: AM/DM37x: Unify configuration scripts and add support for TI
 Beagleboard xM.

---
 tcl/board/am3517evm.cfg         | 88 +++--------------------------------------
 tcl/board/ti_beagleboard_xm.cfg | 12 ++++++
 2 files changed, 18 insertions(+), 82 deletions(-)
 create mode 100644 tcl/board/ti_beagleboard_xm.cfg

(limited to 'tcl/board')

diff --git a/tcl/board/am3517evm.cfg b/tcl/board/am3517evm.cfg
index db762557..2bff5124 100644
--- a/tcl/board/am3517evm.cfg
+++ b/tcl/board/am3517evm.cfg
@@ -10,88 +10,12 @@
 # http://processors.wiki.ti.com/index.php/Debug_Access_Port_(DAP)
 # http://processors.wiki.ti.com/index.php?title=How_to_Find_the_Silicon_Revision_of_your_OMAP35x
 
-# Slooow during startup
-adapter_khz 10
+set CHIPTYPE "am35x"
+source [find target/amdm37x.cfg]
 
+# The TI-14 JTAG connector does not have srst.  CPU reset is handled in
+# hardware.
+reset_config trst_only
 
-if { [info exists CHIPNAME] } {
-   set  _CHIPNAME $CHIPNAME
-} else {
-   set  _CHIPNAME am3517
-}
-
-set JRC_TAPID 0
-
-set DAP_TAPID 0x0b86802f
-
-# Subsidiary TAP: CoreSight Debug Access Port (DAP)
-if { [info exists DAP_TAPID ] } {
-   set _DAP_TAPID $DAP_TAPID
-} else {
-   set _DAP_TAPID 0x0b6d602f
-}
-
-
-# Primary TAP: ICEpick-C (JTAG route controller) and boundary scan
-if { [info exists JRC_TAPID ] } {
-   set _JRC_TAPID $JRC_TAPID
-} else {
-   set _JRC_TAPID 0x0b7ae02f
-}
-
-# ICEpick-C ... used to route Cortex, and more not shown here
-source [find target/icepick.cfg]
-
-
-jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf \
-	-expected-id $_DAP_TAPID -disable
-jtag configure $_CHIPNAME.dap -event tap-enable \
-	"icepick_c_tapenable $_CHIPNAME.jrc 3"
-
-jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f \
-	-expected-id $_JRC_TAPID
-
-
-
-# GDB target:  Cortex-A8, using DAP
-set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME cortex_a8 -chain-position $_CHIPNAME.dap
-
-# SRAM: 64K at 0x4020.0000; use the first 16K
-$_TARGETNAME configure -work-area-phys 0x40200000 -work-area-size 0x4000
-
-###################
-
-# the reset sequence is event-driven
-# and kind of finicky...
-
-# some TCK tycles are required to activate the DEBUG power domain
-jtag configure $_CHIPNAME.jrc -event post-reset "runtest 100"
-
-# have the DAP "always" be active
-jtag configure $_CHIPNAME.jrc -event setup "jtag tapenable $_CHIPNAME.dap"
-
-proc omap3_dbginit {target} {
-
-     # General Cortex A8 debug initialisation
-     cortex_a8 dbginit
-     # Enable DBGU signal for OMAP353x
-     $target mww phys 0x5401d030 0x00002000
-}
-
-# be absolutely certain the JTAG clock will work with the worst-case
-# 16.8MHz/2 = 8.4MHz core clock, even before a bootloader kicks in.
-# OK to speed up *after* PLL and clock tree setup.
-
-$_TARGETNAME configure -event "reset-start" { adapter_khz 10}
-
-# Assume SRST is unavailable (e.g. TI-14 JTAG), so we must assert reset
-# ourselves using PRM_RSTCTRL.  RST_GS (2) is a warm reset, like ICEpick
-# would issue.  RST_DPLL3 (4) is a cold reset.
-set PRM_RSTCTRL 0x48307250
-$_TARGETNAME configure -event reset-assert "$_TARGETNAME mww phys $PRM_RSTCTRL 2"
-
-$_TARGETNAME configure -event reset-assert-post "omap3_dbginit $_TARGETNAME; adapter_khz 1000"
-
+# "amdm37x_dbginit am35x.cpu" needs to be run after init.
 
-reset_config trst_only
diff --git a/tcl/board/ti_beagleboard_xm.cfg b/tcl/board/ti_beagleboard_xm.cfg
new file mode 100644
index 00000000..e4e93e33
--- /dev/null
+++ b/tcl/board/ti_beagleboard_xm.cfg
@@ -0,0 +1,12 @@
+# BeagleBoard xM (DM37x)
+#  http://beagleboard.org
+
+set CHIPTYPE "dm37x"
+source [find target/amdm37x.cfg]
+
+# The TI-14 JTAG connector does not have srst.  CPU reset is handled in
+# hardware.
+reset_config trst_only
+
+# "amdm37x_dbginit dm37x.cpu" needs to be run after init.
+
-- 
cgit v1.2.3