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Commit 1af16acd authored by oharboe's avatar oharboe
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wip

git-svn-id: svn://svn.berlios.de/openocd/trunk@1312 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 59ff8d24
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# imx31 config # imx31 config
# #
# NB! Does not work yet. Work in progress
reset_config trst_and_srst
if { [info exists CHIPNAME] } { if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME set _CHIPNAME $CHIPNAME
...@@ -17,8 +18,13 @@ if { [info exists ENDIAN] } { ...@@ -17,8 +18,13 @@ if { [info exists ENDIAN] } {
if { [info exists CPUTAPID ] } { if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID set _CPUTAPID $CPUTAPID
} else { } else {
# force an error till we get a good number set _CPUTAPID 0x07b3601d
set _CPUTAPID 0xffffffff }
if { [info exists SDMATAPID ] } {
set _SDMATAPID $SDMATAPID
} else {
set _SDMATAPID 0x2190101d
} }
#======================================== #========================================
...@@ -27,9 +33,9 @@ if { [info exists CPUTAPID ] } { ...@@ -27,9 +33,9 @@ if { [info exists CPUTAPID ] } {
if { [info exists SJCTAPID ] } { if { [info exists SJCTAPID ] } {
set _SJCTAPID $SJCTAPID set _SJCTAPID $SJCTAPID
} else { } else {
set _SJCTAPID 0xffffffff set _SJCTAPID 0x2b900f0f
} }
jtag newtap $_CHIPNAME sjc -irlen 4 -ircapture 00 irmask 0x0 -expected-id $_SJCTAPID jtag newtap $_CHIPNAME sjc -irlen 4 -ircapture 0x0 -irmask 0x0 -expected-id $_SJCTAPID
# The "SDMA" - <S>mart <DMA> controller debug tap # The "SDMA" - <S>mart <DMA> controller debug tap
# Based on some IO pins - this can be disabled & removed # Based on some IO pins - this can be disabled & removed
...@@ -38,28 +44,19 @@ jtag newtap $_CHIPNAME sjc -irlen 4 -ircapture 00 irmask 0x0 -expected-id $_SJCT ...@@ -38,28 +44,19 @@ jtag newtap $_CHIPNAME sjc -irlen 4 -ircapture 00 irmask 0x0 -expected-id $_SJCT
# SJC_MOD - controls multiplexer - disables ARM1136 # SJC_MOD - controls multiplexer - disables ARM1136
# SDMA_BYPASS - disables SDMA - # SDMA_BYPASS - disables SDMA -
# #
if { [info exists SDMATAPID ] } {
set _SDMATAPID $SDMATAPID
} else {
set _SDMATAPID 0xffffffff
}
# Per section 40.17.1, table 40-85 the IR register is 4 bits
# But this conflicts with Diagram 6-13, "3bits ir and drs"
jtag newtap $_CHIPNAME smda -irlen 4 -ircapture 0xe -irmask 0xf -expected-id $_SJCTAPID
# The ARM11 core tap
if { [info exists CPUTAPID ] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0xffffffff
}
# Per ARM: DDI0211J_arm1136_r1p5_trm.pdf - the ARM 1136 as a 5 bit IR register # Per ARM: DDI0211J_arm1136_r1p5_trm.pdf - the ARM 1136 as a 5 bit IR register
jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1e irmask 0x1f -expected-id $_SJCTAPID jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1e -irmask 0x1f -expected-id $_CPUTAPID
# No IDCODE for this TAP
jtag newtap $_CHIPNAME whatchacallit -irlen 4 -ircapture 0 -irmask 0xf -expected-id 0x0
jtag_nsrst_delay 500 # Per section 40.17.1, table 40-85 the IR register is 4 bits
jtag_ntrst_delay 500 # But this conflicts with Diagram 6-13, "3bits ir and drs"
jtag newtap $_CHIPNAME smda -irlen 4 -ircapture 0xe -irmask 0xf -expected-id $_SDMATAPID
set _TARGETNAME [format "%s.cpu" $_CHIPNAME] set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
target create $_TARGETNAME arm11 -endian $_ENDIAN -chain-position $_TARGETNAME target create $_TARGETNAME arm11 -endian $_ENDIAN -chain-position $_TARGETNAME
proc power_restore {} { puts "Sensed power restore. No action." }
proc srst_deasserted {} { puts "Sensed nSRST deasserted. No action." }
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