From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 26 Sep 2020 11:19:24 +0000 (+0100)
Subject: add openocd configs
X-Git-Tag: 24jan2021_ls180~320
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=495329497bff91c8ab3b7ca07b65b1eb489d408d;p=soc.git

add openocd configs
---

diff --git a/src/soc/litex/florent/README.txt b/src/soc/litex/florent/README.txt
new file mode 100644
index 00000000..71d55183
--- /dev/null
+++ b/src/soc/litex/florent/README.txt
@@ -0,0 +1,4 @@
+create verilog file "python issuer_verilog libresoc.v"
+copy to libresoc/ directory
+terminal 1: ./sim.py
+terminal 2: openocd -f openocd.cfg -c init -c 'svf idcode_test2.svf'
diff --git a/src/soc/litex/florent/idcode_test.svf b/src/soc/litex/florent/idcode_test.svf
new file mode 100644
index 00000000..4c31a229
--- /dev/null
+++ b/src/soc/litex/florent/idcode_test.svf
@@ -0,0 +1,27 @@
+// Created using Xilinx iMPACT Software [ISE WebPACK - 5.1i]
+TRST OFF;
+ENDIR IDLE;
+ENDDR IDLE;
+STATE RESET IDLE;
+TIR 0 ;
+HIR 0 ;
+TDR 0 ;
+HDR 0 ;
+// Validating chain...
+TIR 0 ;
+HIR 0 ;
+TDR 0 ;
+HDR 0 ;
+SIR 4 TDI (f) SMASK (f) ;
+TIR 0 ;
+HIR 5 TDI (1f) SMASK (1f) ;
+// don't set header to 1 extra bit
+//HDR 1 TDI (00) SMASK (01) ;
+TDR 0 ;
+//Loading device with 'idcode' instruction.
+SIR 4 TDI (1) SMASK (f) ;
+SDR 32 TDI (00000000) SMASK (ffffffff) TDO (000018ff) MASK (ffffffff) ;
+//Loading device with 'conld' instruction.
+//SIR 8 TDI (f0) ;
+RUNTEST 110000 TCK;
+
diff --git a/src/soc/litex/florent/idcode_test2.svf b/src/soc/litex/florent/idcode_test2.svf
new file mode 100644
index 00000000..d2112fc0
--- /dev/null
+++ b/src/soc/litex/florent/idcode_test2.svf
@@ -0,0 +1,20 @@
+STATE RESET IDLE;
+TIR 0 ;
+HIR 5 TDI (1f) SMASK (1f) ;
+//HDR 1 TDI (00) SMASK (01) ;
+TDR 0 ;
+//Loading device with 'idcode' instruction.
+SIR 4 TDI (1) SMASK (1) ;
+//SDR 32 TDI (00000000) SMASK (ffffffff) TDO (00000c7f) SMASK (ffffffff) ;
+SDR 32 TDI (00000000) SMASK (ffffffff) TDO (000018ff) MASK (ffffffff) ;
+//
+// set to DMI "address"
+SIR 4 TDI (8) SMASK (f) ;
+// set DMI "ctrl" address (0)
+SDR 8 TDI (2) SMASK (ff) ;
+// set to DMI "data read"
+SIR 4 TDI (9) SMASK (f) ;
+// read 64 bit
+//SDR 32 TDI (00000000) SMASK (ffffffff) TDO (000018ff) MASK (ffffffff) ;
+//SDR 32 TDI (00000000) SMASK (00000000) TDO (00000000) MASK (ffffffff) ;
+SDR 64 TDI (0000000000000000) SMASK (0000000000000000) TDO (0000000000000000) MASK (ffffffffffffffff) ;
diff --git a/src/soc/litex/florent/openocd.cfg b/src/soc/litex/florent/openocd.cfg
index 9cd40c3a..a3c7084a 100644
--- a/src/soc/litex/florent/openocd.cfg
+++ b/src/soc/litex/florent/openocd.cfg
@@ -6,8 +6,8 @@ remote_bitbang_host localhost
 # this should be irlen=4
 jtag newtap libresoc tap -irlen 4 -irmask 0xf -ircapture 0xf -expected-id 0x000018ff
 
-set _TARGETNAME libresoc.tap
-target create $_TARGETNAME.0 ppc64 -chain-position $_TARGETNAME -rtos hwthread
+#set _TARGETNAME libresoc.tap
+#target create $_TARGETNAME.0 ppc64 -chain-position $_TARGETNAME -rtos hwthread
 
 # Configure work area in on-chip SRAM
 #$_TARGETNAME.0 configure -work-area-phys 0x80000000 \