# script for str9
# For more information about the configuration files, take a look at:
# openocd.texi

if { [info exists CHIPNAME] } {	
   set  _CHIPNAME $CHIPNAME    
} else {	 
   set  _CHIPNAME str912
}

if { [info exists ENDIAN] } {	
   set  _ENDIAN $ENDIAN    
} else {	 
   set  _ENDIAN little
}

# jtag speed. We need to stick to 16kHz until we've finished reset.
jtag_rclk 16

jtag_nsrst_delay 100
jtag_ntrst_delay 100

#use combined on interfaces or targets that can't set TRST/SRST separately
#reset_config trst_and_srst

if { [info exists FLASHTAPID ] } {
   set _FLASHTAPID $FLASHTAPID
} else {
   set _FLASHTAPID 0x04570041
}
jtag newtap $_CHIPNAME flash \
	-irlen 8 -ircapture 0x1 -irmask 0x1 \
	-expected-id $_FLASHTAPID

if { [info exists CPUTAPID ] } {
   set _CPUTAPID $CPUTAPID
} else {
   set _CPUTAPID 0x25966041
}
jtag newtap $_CHIPNAME cpu \
	-irlen 4 -ircapture 0x1 -irmask 0xf \
	-expected-id $_CPUTAPID


if { [info exists BSTAPID ] } {
   set _BSTAPID1 $BSTAPID
   set _BSTAPID2 $BSTAPID
} else {
   set _BSTAPID1 0x1457f041
   set _BSTAPID2 0x2457f041
}
jtag newtap $_CHIPNAME bs \
	-irlen 5 -ircapture 0x1 -irmask 0x1 \
	-expected-id $_BSTAPID1 -expected-id $_BSTAPID2

set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
target create $_TARGETNAME arm966e \
	-endian $_ENDIAN \
	-chain-position $_TARGETNAME \
	-variant arm966e

$_TARGETNAME configure -event reset-start { jtag_rclk 16 }

proc str9x_config { } {
	# -- Enable 96K RAM w/:
	#    PFQBC enabled / DTCM & AHB wait-states disabled
	mww 0x5C002034 0x0191
	#    PFQBC disabled / DTCM & AHB wait-states enabled
	#mww 0x5C002034 0x0196

	# 256K/32k
	str9x flash_config 0 3 2 0 0x40000
	# 512K/32K 
	#str9x flash_config 0 4 2 0 0x80000
}

proc str9x_init { } {
	# enable RTCK
	jtag_rclk 0
	str9x_config
}

$_TARGETNAME configure -event reset-init str9x_init

$_TARGETNAME configure \
	-work-area-virt 0 \
	-work-area-phys 0x50000000 \
	-work-area-size 16384 \
	-work-area-backup 0

#flash bank str9x <base> <size> 0 0 <target#> <variant>
flash bank str9x 0x00000000 0x00040000 0 0 0
flash bank str9x 0x00040000 0x00008000 0 0 0