omap5912.cfg

一个烧写FLASH的软件

#TI OMAP5912 dual core processor - http://www.ti.com 
#on a OMAP5912 OSK board http://www.spectrumdigital.com.

if { [info exists CHIPNAME] } {	
   set  _CHIPNAME $CHIPNAME    
} else {	 
   set  _CHIPNAME omap5912
}

if { [info exists ENDIAN] } {	
   set  _ENDIAN $ENDIAN    
} else {	 
  # this defaults to a bigendian
   set  _ENDIAN little
}

if { [info exists CPUTAPID ] } {
   set _CPUTAPID $CPUTAPID
} else {
  # force an error till we get a good number
   set _CPUTAPID 0xffffffff
}

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

#jtag scan chain
jtag newtap $_CHIPNAME unknown1 -irlen 38 -ircapture 0x0 -irmask 0x0 
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0x0 -expected-id $_CPUTAPID
jtag newtap $_CHIPNAME unknown2 irlen 8 -ircapture  0x0 -irmask 0x0 

set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm926ejs

$_TARGETNAME configure -event reset-init {
	#
	# halt target
	#
	poll
	sleep 1
	halt
	wait_halt
	#
	# disable wdt
	#
	mww 0xfffec808 0x000000f5
	mww 0xfffec808 0x000000a0

	mww 0xfffeb048 0x0000aaaa
	sleep 500
	mww 0xfffeb048 0x00005555
	sleep 500
	#
	# detect flash
	#
	flash probe 0
}

# omap5912 lcd frame buffer as working area
$_TARGENAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 0x3e800 -work-area-backup 0

#flash bank <driver> <base> <size> <chip_width> <bus_width>
flash bank cfi 0x00000000 0x1000000 2 2 0