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| author | Robert Jordens <jordens@gmail.com> | 2015-07-01 23:29:34 -0600 |
|---|---|---|
| committer | Spencer Oliver <spen@spen-soft.co.uk> | 2015-08-06 13:14:13 +0100 |
| commit | 804eefc25954465a35e63abc272862169dbf4b9b (patch) | |
| tree | 01df6fee5ebf4e82ba2fdc2840d6baf33a406fbe /tcl/cpld | |
| parent | d25355473da9a925a696183a9947aac292cd2f60 (diff) | |
| download | riscv-openocd-804eefc25954465a35e63abc272862169dbf4b9b.zip riscv-openocd-804eefc25954465a35e63abc272862169dbf4b9b.tar.gz riscv-openocd-804eefc25954465a35e63abc272862169dbf4b9b.tar.bz2 | |
pipistrello: ftdi-jtag/spartan6/jtagspi board
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>
Diffstat (limited to 'tcl/cpld')
| -rw-r--r-- | tcl/cpld/xilinx-xc6s.cfg | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tcl/cpld/xilinx-xc6s.cfg b/tcl/cpld/xilinx-xc6s.cfg new file mode 100644 index 0000000..b705ea1 --- /dev/null +++ b/tcl/cpld/xilinx-xc6s.cfg @@ -0,0 +1,54 @@ +# 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 +} |