WhyCan Forum(哇酷开发者社区)

# Olimex dongle
source [find interface/ftdi/olimex-arm-usb-tiny-h.cfg]

adapter_khz 14000

#reset_config srst_only srst_pulls_trst srst_open_drain
reset_config srst_only

# Allwinner A10 (sun4i)
 
if { [info exists CHIPNAME] } {
   set  _CHIPNAME $CHIPNAME
} else {
   set  _CHIPNAME sun4i
}
 
# Subsidiary TAP: CoreSight Debug Access Port (DAP)
if { [info exists DAP_TAPID ] } {
   set _DAP_TAPID $DAP_TAPID
} else {
   set _DAP_TAPID 0x4ba00477
}
jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf \
    -expected-id $_DAP_TAPID
 
# GDB target:  Cortex-A8, using DAP
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.dap
 
# SRAM-A2: 16K at 0x00004000;
$_TARGETNAME configure -work-area-phys 0x00004000 -work-area-size 0x4000
 
#$_TARGETNAME configure -event reset-assert-post "sun4i_dbginit $_TARGETNAME"
#$_TARGETNAME configure -event examine-end "sun4i_dbginit $_TARGETNAME"

$_TARGETNAME configure -event gdb-attach "halt"

#proc sun4i_gdbattach {target} {
#	echo "gdbattach"
#	halt
#}
#
#proc sun4i_dbginit {target} {
#     # General Cortex A debug initialisation
#     halt
#     cortex_a dbginit
#     target_request debugmsgs enable
#     trace point 1
#}