forked from auracaster/openocd
804eefc259
The Pipistrello is a low cost FPGA board with a Xilinx Spartan6 LX45, a SPI flash and onboard FTDI JTAG. This board is a good example use case for the jtagspi flash driver talking through a proxy bitstream. Change-Id: I04a80610ff825c36ebcb67b879507028eed141ad Signed-off-by: Robert Jordens <jordens@gmail.com> Reviewed-on: http://openocd.zylin.com/2846 Tested-by: jenkins Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
55 lines
1.3 KiB
INI
55 lines
1.3 KiB
INI
# xilinx spartan6
|
|
# http://www.xilinx.com/support/documentation/user_guides/ug380.pdf
|
|
|
|
if { [info exists CHIPNAME] } {
|
|
set _CHIPNAME $CHIPNAME
|
|
} else {
|
|
set _CHIPNAME xc6s
|
|
}
|
|
|
|
# the 4 top bits (28:31) are the die stepping. ignore it.
|
|
jtag newtap $_CHIPNAME tap -irlen 6 -ignore-version \
|
|
-expected-id 0x04000093 \
|
|
-expected-id 0x04001093 \
|
|
-expected-id 0x04002093 \
|
|
-expected-id 0x04004093 \
|
|
-expected-id 0x04024093 \
|
|
-expected-id 0x04008093 \
|
|
-expected-id 0x04028093 \
|
|
-expected-id 0x0400E093 \
|
|
-expected-id 0x0402E093 \
|
|
-expected-id 0x04011093 \
|
|
-expected-id 0x04031093 \
|
|
-expected-id 0x0401D093 \
|
|
-expected-id 0x0403D093
|
|
|
|
pld device virtex2 $_CHIPNAME.tap
|
|
|
|
set XC6S_CFG_IN 0x05
|
|
set XC6S_JSHUTDOWN 0x0d
|
|
set XC6S_JPROGRAM 0x0b
|
|
set XC6S_JSTART 0x0c
|
|
set XC6S_BYPASS 0x3f
|
|
|
|
proc xc6s_program {tap} {
|
|
global XC6S_JSHUTDOWN XC6S_JPROGRAM XC6S_JSTART XC6S_BYPASS
|
|
irscan $tap $XC6S_JSHUTDOWN
|
|
irscan $tap $XC6S_JPROGRAM
|
|
irscan $tap $XC6S_JSTART
|
|
irscan $tap $XC6S_BYPASS
|
|
}
|
|
|
|
#xtp038 and xc3sprog approach
|
|
proc xc6s_program_iprog {tap} {
|
|
global XC6S_JSHUTDOWN XC6S_JSTART XC6S_BYPASS XC6S_CFG_IN
|
|
irscan $tap $XC6S_JSHUTDOWN
|
|
runtest 16
|
|
irscan $tap $XC6S_CFG_IN
|
|
# xtp038 IPROG 16bit flipped
|
|
drscan $tap 16 0xffff 16 0x9955 16 0x66aa 16 0x850c 16 0x7000 16 0x0004
|
|
irscan $tap $XC6S_JSTART
|
|
runtest 32
|
|
irscan $tap $XC6S_BYPASS
|
|
runtest 1
|
|
}
|