add litex-coriolis2 pad map

diff --git a/src/pinmux_generator.py b/src/pinmux_generator.py
index b95377b4bad5d00485b4ed2c9fac5d56c8305b0a..4ceeec68ba7cacfb7576d39509ef239ca4334901 100644 (file)
--- a/src/pinmux_generator.py
+++ b/src/pinmux_generator.py
@@ -86,12 +86,13 @@ if __name__ == '__main__':
             os.makedirs(d)
         with open(fname, "w") as of:
             ps = module.pinspec()
-            pinout, bankspec, pinspec, fixedpins = ps.write(of)
+            pinout, bankspec, pin_spec, fixedpins = ps.write(of)
             if testing:
                 dummytest(ps, output_dir, output_type)
             else:
                 specgen(of, output_dir, pinout,
-                        bankspec, ps.muxwidths, pinspec, fixedpins, ps.fastbus)
+                        bankspec, ps.muxwidths, pin_spec, fixedpins, ps.fastbus)
+                module.pinparse(pinspec)
     else:
         if output_type == 'bsv':
             from bsv.pinmux_generator import pinmuxgen as gentypes

diff --git a/src/spec/ls180.py b/src/spec/ls180.py
index 3a795c83bb511b0e00f38e4c33775ea53dcdc1f0..7bd651bf0cb46e9931d71f816228cfbabc02b68e 100644 (file)
--- a/src/spec/ls180.py
+++ b/src/spec/ls180.py
@@ -2,6 +2,8 @@
 # see https://bugs.libre-soc.org/show_bug.cgi?id=304
 
 from spec.base import PinSpec
+from parse import Parse
+import json
 
 from spec.ifaceprint import display, display_fns, check_functions
 from spec.ifaceprint import display_fixed
@@ -125,3 +127,200 @@ def pinspec():
                     descriptions)
 
     return ps
+
+
+# map pins to litex name conventions, primarily for use in coriolis2
+def pinparse(pinspec):
+    p = Parse(pinspec, verify=False)
+
+    print p.muxed_cells
+    print p.muxed_cells_bank
+
+    ps = [''] * 32
+    pn = [''] * 32
+    pe = [''] * 32
+    pw = [''] * 32
+    pads = {'N': pn, 'S': ps, 'E': pe, 'W': pw}
+
+    iopads = []
+
+    for (padnum, name, _), bank in zip(p.muxed_cells, p.muxed_cells_bank):
+        padnum = int(padnum)
+        start = p.bankstart[bank]
+        banknum = padnum - start
+        print banknum, name, bank
+        padbank = pads[bank]
+        # VSS
+        if name.startswith('vss'):
+            #name = 'p_vssick_' + name[-1]
+            #name = 'p_vsseck_0'
+            #name = 'vss'
+            name = ''
+        # VDD
+        elif name.startswith('vdd'):
+            #name = 'p_vddick_' + name[-1]
+            #name = 'p_vddeck_0'
+            #name = 'vdd'
+            name = ''
+        # SYS
+        elif name.startswith('sys'):
+            if name == 'sys_clk':
+                name = 'p_sys_clk_0'
+            elif name == 'sys_rst':
+                #name = 'p_sys_rst_1'
+                iopads.append([name, name, name])
+                padbank[banknum] = name
+                print "sys_rst add", bank, banknum, name
+                name = None
+            elif name == 'sys_pllclk':
+                name = None # ignore
+            elif name == 'sys_pllout':
+                name = 'sys_pll_48_o'
+                iopads.append(['p_' + name, name, name])
+            elif name.startswith('sys_csel'):
+                i = name[-1]
+                name2 = 'sys_clksel_i(%s)' % i
+                name = 'p_sys_clksel_' + i
+                iopads.append([name, name2, name2])
+            #if name:
+            #    iopads.append([pname, name, name])
+            print "sys pad", name
+        # SPI Card
+        elif name.startswith('mspi0') or name.startswith('mspi1'):
+            suffix = name[6:]
+            if suffix == 'ck':
+                suffix = 'clk'
+            elif suffix == 'nss':
+                suffix = 'cs_n'
+            if name.startswith('mspi1'):
+                prefix = 'spi_master_'
+            else:
+                prefix = 'spisdcard_'
+            name = prefix + suffix
+            iopads.append(['p_' + name, name, name])
+        # SD/MMC
+        elif name.startswith('sd0'):
+            if name.startswith('sd0_d'):
+                i = name[5:]
+                name = 'sdcard_data' + i
+                name2 = 'sdcard_data_%%s(%s)' % i
+                pad = ['p_' + name, name, name2 % 'o', name2 % 'i',
+                            'sdcard_data_oe']
+                iopads.append(pad)
+            elif name.startswith('sd0_cmd'):
+                name = 'sdcard_cmd'
+                name2 = 'sdcard_cmd_%s'
+                pad = ['p_' + name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
+                iopads.append(pad)
+            else:
+                name = 'sdcard_' + name[4:]
+                iopads.append(['p_' + name, name, name])
+        # SDRAM
+        elif name.startswith('sdr'):
+            if name == 'sdr_clk':
+                name = 'sdram_clock'
+                iopads.append(['p_' + name, name, name])
+            elif name.startswith('sdr_ad'):
+                i = name[6:]
+                name = 'sdram_a_' + i
+                name2 = 'sdram_a(%s)' % i
+                iopads.append(['p_' + name, name2, name2])
+            elif name.startswith('sdr_ba'):
+                i = name[-1]
+                name = 'sdram_ba_' + i
+                name2 = 'sdram_ba(%s)' % i
+                iopads.append(['p_' + name, name2, name2])
+            elif name.startswith('sdr_dqm'):
+                i = name[-1]
+                name = 'sdram_dm_' + i
+                name2 = 'sdram_dm(%s)' % i
+                iopads.append(['p_' + name, name2, name2])
+            elif name.startswith('sdr_d'):
+                i = name[5:]
+                name = 'sdram_dq_' + i
+                name2 = 'sdram_dq_%%s(%s)' % i
+                pad = ['p_' + name, name, name2 % 'o', name2 % 'i', 'sdram_dq_oe']
+                iopads.append(pad)
+            elif name == 'sdr_csn0':
+                name = 'sdram_cs_n'
+                iopads.append(['p_' + name, name, name])
+            elif name[-1] == 'n':
+                name = 'sdram_' + name[4:-1] + '_n'
+                iopads.append(['p_' + name, name, name])
+            else:
+                name = 'sdram_' + name[4:]
+                iopads.append(['p_' + name, name, name])
+        # UART
+        elif name.startswith('uart'):
+            name = 'uart_' + name[6:]
+            iopads.append(['p_' + name, name, name])
+        # GPIO
+        elif name.startswith('gpio'):
+            i = name[7:]
+            name = 'gpio_' + i
+            name2 = 'gpio_%%s(%s)' % i
+            pad = ['p_' + name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
+            print ("GPIO pad", name, pad)
+            iopads.append(pad)
+        # I2C
+        elif name.startswith('twi'):
+            name = 'i2c' + name[3:]
+            if name.startswith('i2c_sda'):
+                name2 = 'i2c_sda_%s'
+                pad = ['p_' + name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
+                print ("I2C pad", name, pad)
+                iopads.append(pad)
+            else:
+                iopads.append(['p_' + name, name, name])
+        # EINT
+        elif name.startswith('eint'):
+            i = name[-1]
+            name = 'eint_%s' % i
+            name2 = 'eint(%s)' % i
+            pad = ['p_' + name, name2, name2]
+            iopads.append(pad)
+        # PWM
+        elif name.startswith('pwm'):
+            name = name[:-4]
+            pad = ['p_' + name, name, name]
+            iopads.append(pad)
+        else:
+            pad = ['p_' + name, name, name]
+            iopads.append(pad)
+            print ("GPIO pad", name, pad)
+        if name and not name.startswith('p_'):
+            name = 'p_' + name
+        if name is not None:
+            padbank[banknum] = name
+
+    #pw[25] = 'p_sys_rst_1'
+    pe[13] = 'p_vddeck_0'
+    pe[23] = 'p_vsseck_0'
+    pw[10] = 'p_vddick_0'
+    pw[17] = 'p_vssick_0'
+
+    nc_idx = 0
+    for pl in [pe, pw, pn, ps]:
+        for i in range(len(pl)):
+            if pl[i] == '':
+                pl[i] = 'nc_%d' % nc_idx
+                nc_idx += 1
+
+    print p.bankstart
+    print pn
+    print ps
+    print pe
+    print pw
+
+    chip = {
+             'pads.south'      : ps,
+              'pads.east'       : pe,
+              'pads.north'      : pn,
+              'pads.west'       : pw,
+              'pads.instances' : iopads
+           }
+
+    chip = json.dumps(chip)
+    with open("ls180/litex_pinpads.json", "w") as f:
+        f.write(chip)
+