Merge pull request #278 from shenki/openocd-v0.11

Add files for openocd v0.11

openocd/README

@@ -23,10 +23,11 @@ Info : JTAG tap: xc7.tap tap/device found: 0x0362d093 (mfg: 0x049 (Xilinx), part
 Error: Unknown flash device (ID 0x00ffffff)
 
 If you find yourself with a later openocd version that contians 867bdb2e9248
-("jtagspi: new protocol that includes transfer length") you should fetch the
-bitstream from the master branch:
+("jtagspi: new protocol that includes transfer length"), such as v0.11 as
+packaged by Debian Bullseye, you should use the bitstream from the master
+branch:
 
 https://github.com/quartiq/bscan_spi_bitstreams/blob/master/bscan_spi_xc7a35t.bit?raw=true
 https://github.com/quartiq/bscan_spi_bitstreams/blob/master/bscan_spi_xc7a100t.bit?raw=true
 
-
+These are in the microwatt repository as bscan_spi_xc7a*t_openocd_v0.11.bit.

openocd/flash-arty

@@ -6,7 +6,6 @@ import subprocess
 import sys
 
 BASE = os.path.dirname(os.path.abspath(__file__))
-CONFIG = os.path.join(BASE, "xilinx-xc7.cfg")
 
 def flash(config, flash_proxy, address, data, filetype="", set_qe=False):
     script = "; ".join([
@@ -20,6 +19,15 @@ def flash(config, flash_proxy, address, data, filetype="", set_qe=False):
     print(script)
     subprocess.call(["openocd", "-f", config, "-c", script])
 
+def get_version():
+    a = subprocess.run(["openocd", "-v"], capture_output=True)
+    if a.returncode != 0:
+        return ""
+    if a.stderr.count(b"0.10"):
+        return ""
+    if a.stderr.count(b"0.11"):
+        return "_openocd_v0.11"
+
 parser = argparse.ArgumentParser()
 parser.add_argument("file", help="file to write to flash")
 parser.add_argument("-a", "--address", help="offset in flash", type=lambda x: int(x,0), default=0)
@@ -27,16 +35,19 @@ parser.add_argument("-f", "--fpga", help="a35, a100 or a200", default="a35")
 parser.add_argument("-t", "--filetype", help="file type such as 'bin'", default="")
 args = parser.parse_args()
 
+version = get_version()
+
 if args.fpga.lower() == "a35":
-        proxy = "bscan_spi_xc7a35t.bit"
+        proxy = "bscan_spi_xc7a35t{}.bit".format(version)
 elif args.fpga.lower() == "a100":
-        proxy = "bscan_spi_xc7a100t.bit"
+        proxy = "bscan_spi_xc7a100t{}.bit".format(version)
 elif args.fpga.lower() == "a200":
-        proxy = "bscan_spi_xc7a200t.bit"
+        proxy = "bscan_spi_xc7a200t{}.bit".format(version)
 else:
     print("error: specify a35, a100 or a200 when flashing")
     sys.exit()
 
 proxy = os.path.join(BASE, proxy)
+config = os.path.join(BASE, "xilinx-xc7{}.cfg".format(version))
 
-flash(CONFIG, proxy, args.address, args.file, args.filetype.lower())
+flash(config, proxy, args.address, args.file, args.filetype.lower())

openocd/xilinx-xc7_openocd_v0.11.cfg

@@ -0,0 +1,68 @@
+# This file is the same sa xilinx-xc7.cfg, except we use
+# verify_image instead of verify_bank
+
+interface ftdi
+ftdi_vid_pid 0x0403 0x6010
+ftdi_channel 0
+ftdi_layout_init 0x00e8 0x60eb
+reset_config none
+adapter_khz 25000
+
+source [find cpld/xilinx-xc7.cfg]
+
+# From jtagspi.cfg with modification to support
+# specifying file type
+set _USER1 0x02
+
+if { [info exists JTAGSPI_IR] } {
+	set _JTAGSPI_IR $JTAGSPI_IR
+} else {
+	set _JTAGSPI_IR $_USER1
+}
+
+if { [info exists DR_LENGTH] } {
+	set _DR_LENGTH $DR_LENGTH
+} else {
+	set _DR_LENGTH 1
+}
+
+if { [info exists TARGETNAME] } {
+	set _TARGETNAME $TARGETNAME
+} else {
+	set _TARGETNAME $_CHIPNAME.proxy
+}
+
+if { [info exists FLASHNAME] } {
+	set _FLASHNAME $FLASHNAME
+} else {
+	set _FLASHNAME $_CHIPNAME.spi
+}
+
+target create $_TARGETNAME testee -chain-position $_CHIPNAME.tap
+flash bank $_FLASHNAME jtagspi 0 0 0 0 $_TARGETNAME $_JTAGSPI_IR $_DR_LENGTH
+
+proc jtagspi_init {chain_id proxy_bit} {
+	# load proxy bitstream $proxy_bit and probe spi flash
+	global _FLASHNAME
+	pld load $chain_id $proxy_bit
+	reset halt
+	flash probe $_FLASHNAME
+}
+
+proc jtagspi_program {bin addr {type ""} } {
+	# write and verify binary file $bin at offset $addr
+	global _FLASHNAME
+	if { $type eq "" } {
+		flash write_image erase $bin $addr
+		flash verify_image $bin $addr
+	} else {
+		flash write_image erase $bin $addr $type
+		flash verify_image $bin $addr $type
+	}
+}
+# end jtagspi.cfg
+
+proc fpga_program {} {
+    global _CHIPNAME
+    xc7_program $_CHIPNAME.tap
+}