From 2232a9f43a5b60fe31f7de65b6000c7a00d5309b Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 13 Apr 2021 17:21:32 +0100
Subject: [PATCH] add litex name map

---
 src/pinmux_generator.py |  2 +-
 src/spec/ls180.py       | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/pinmux_generator.py b/src/pinmux_generator.py
index 04d3cf9..3e92bf0 100644
--- a/src/pinmux_generator.py
+++ b/src/pinmux_generator.py
@@ -92,7 +92,7 @@ if __name__ == '__main__':
                 pm, chip = module.pinparse(ps, pinspec)
                 litexmap = ps.pywrite(pyf, pm)
                 pinout, bankspec, pin_spec, fixedpins = ps.write(of)
-                chip['litex.map'] = litexmap
+                #chip['litex.map'] = litexmap
                 chip = json.dumps(chip)
                 with open("%s/litex_pinpads.json" % pinspec, "w") as f:
                     f.write(chip)
diff --git a/src/spec/ls180.py b/src/spec/ls180.py
index 15f9353..e78367e 100644
--- a/src/spec/ls180.py
+++ b/src/spec/ls180.py
@@ -139,6 +139,7 @@ def pinspec():
 def pinparse(psp, pinspec):
     p = Parse(pinspec, verify=False)
     pinmap = {}
+    litexmap = {}
 
     print p.muxed_cells
     print p.muxed_cells_bank
@@ -157,6 +158,7 @@ def pinparse(psp, pinspec):
     n_extpower = 0
     for (padnum, name, x), bank in zip(p.muxed_cells, p.muxed_cells_bank):
         orig_name = name
+        litex_name = None
         domain = None # TODO, get this from the PinSpec.  sigh
         padnum = int(padnum)
         start = p.bankstart[bank]
@@ -226,6 +228,7 @@ def pinparse(psp, pinspec):
                 prefix = 'spisdcard_'
             name = prefix + suffix
             pad = ['p_' + name, name, name]
+            litex_name = name[:6] + suffix
         # SD/MMC
         elif name.startswith('sd0'):
             domain = 'SD'
@@ -241,6 +244,7 @@ def pinparse(psp, pinspec):
             else:
                 name = 'sdcard_' + name[4:]
                 pad = ['p_' + name, name, name]
+            litex_name = name[:6] + "_".join(name.split("_")[1:])
         # SDRAM
         elif name.startswith('sdr'):
             domain = 'SDR'
@@ -276,6 +280,7 @@ def pinparse(psp, pinspec):
             else:
                 name = 'sdram_' + name[4:]
                 pad = ['p_' + name, name, name]
+            litex_name = name[:5] + "_".join(name.split("_")[1:])
         # UART
         elif name.startswith('uart'):
             domain = 'UART'
@@ -324,6 +329,9 @@ def pinparse(psp, pinspec):
             pad = ['p_' + name, name, name]
             print ("GPIO pad", name, pad)
 
+        if litex_name is None:
+            litex_name = name
+
         # JTAG domain
         if name and name.startswith('jtag'):
             domain = 'JTAG'
@@ -345,6 +353,7 @@ def pinparse(psp, pinspec):
                         clocks[domain] = name
             # record remap
             pinmap[orig_name] = name
+            litexmap[litex_name] = name
 
         # add pad to iopads
         if domain and pad is not None:
@@ -412,6 +421,7 @@ def pinparse(psp, pinspec):
               'pads.instances' : iopads,
               'pins.specs' : psp.byspec,
               'pins.map' : pinmap,
+              'litex.map' : litexmap,
               'chip.domains' : domains,
               'chip.clocks' : clocks,
               'chip.n_intpower': n_intpower,
-- 
2.30.2