src/spec/ls2.py

   1 #!/usr/bin/env python
   2 # see https://bugs.libre-soc.org/show_bug.cgi?id=739
   3
   4 from spec.base import PinSpec
   5 from parse import Parse
   6
   7 from pprint import pprint
   8 from spec.ifaceprint import display, display_fns, check_functions
   9 from spec.ifaceprint import display_fixed
  10 from collections import OrderedDict
  11
  12 def pinspec():
  13     pinbanks = OrderedDict((
  14         ('N', (32, 2)),
  15         ('E', (32, 2)),
  16         ('S', (32, 2)),
  17         ('W', (32, 2)),
  18     ))
  19     fixedpins = {
  20         'CTRL_SYS': [
  21             'TEST',
  22             'JTAG_SEL',
  23             'UBOOT_SEL',
  24             'NMI#',
  25             'RESET#',
  26             'CLK24M_IN',
  27             'CLK24M_OUT',
  28             'PLLTEST',
  29             'PLLREGIO',
  30             'PLLVP25',
  31             'PLLDV',
  32             'PLLVREG',
  33             'PLLGND',
  34         ],
  35         'POWER_GPIO': [
  36             'VDD_GPIOB',
  37             'GND_GPIOB',
  38         ]}
  39     fixedpins = {}
  40     function_names = {
  41                       'RG0': 'Gigabit Ethernet 0',
  42                       'PWM': 'PWM (pulse-width modulation)',
  43                       'MSPI0': 'SPI Master 1 (general)',
  44                       'MSPI1': 'SPI Master 2 (SDCard)',
  45                       'UART0': 'UART (TX/RX) 1',
  46                       'SYS': 'System Control',
  47                       'GPIO': 'GPIO',
  48                       'EINT': 'External Interrupt',
  49                       'PWM': 'PWM',
  50                       'JTAG': 'JTAG',
  51                       'MTWI': 'I2C Master 1',
  52                       'SD0': 'SD/MMC 1',
  53                       'SDR': 'SDRAM',
  54                       'VDD': 'Power',
  55                       'VSS': 'GND',
  56                       #'LPC1': 'Low Pincount Interface 1',
  57                       #'LPC2': 'Low Pincount Interface 2',
  58                       }
  59
  60     ps = PinSpec(pinbanks, fixedpins, function_names)
  61
  62     ps.sdram1("", ('W', 0), 0, 15, 6, rev=True) # AD4-9, turned round
  63     ps.vdd("E", ('W', 6), 0, 0, 1)
  64     ps.vss("E", ('W', 7), 0, 0, 1)
  65     ps.vdd("I", ('W', 8), 0, 0, 1)
  66     ps.vss("I", ('W', 9), 0, 0, 1)
  67     ps.sdram1("", ('W', 10), 0, 0, 15, rev=True) # SDRAM DAM0, D0-7, AD0-3
  68     ps.mi2c("", ('W', 26), 0, 0, 2)
  69     ps.vss("I", ('W', 28), 0, 1, 1)
  70     ps.vdd("I", ('W', 29), 0, 1, 1)
  71     ps.vss("E", ('W', 30), 0, 1, 1)
  72     ps.vdd("E", ('W', 31), 0, 1, 1)
  73
  74     ps.sdram2("", ('S', 0), 0, 0, 4) # 1st 4, AD10-12,DQM1
  75     ps.vdd("E", ('S', 4), 0, 2, 1)
  76     ps.vss("E", ('S', 5), 0, 2, 1)
  77     ps.vdd("I", ('S', 6), 0, 2, 1)
  78     ps.vss("I", ('S', 7), 0, 2, 1)
  79     ps.sdram2("", ('S', 8), 0, 4, 8) # D8-15
  80     ps.sdram1("", ('S', 16), 0, 21, 9) # clk etc.
  81     ps.vss("I", ('S', 22), 0, 3, 1)
  82     ps.vdd("I", ('S', 23), 0, 3, 1)
  83     ps.vss("E", ('S', 24), 0, 3, 1)
  84     ps.vdd("E", ('S', 25), 0, 3, 1)
  85     ps.uart("0", ('S', 26), 0)
  86     ps.mspi("0", ('S', 28), 0)
  87
  88     ps.gpio("", ('E', 0), 0, 0, 6) # GPIO 0-5
  89     ps.vss("E", ('E', 6), 0, 4, 1)
  90     ps.vdd("E", ('E', 7), 0, 4, 1)
  91     ps.vdd("I", ('E', 8), 0, 4, 1)
  92     ps.vss("I", ('E', 9), 0, 4, 1)
  93     ps.gpio("", ('E', 10), 0, 6, 3) # GPIO 6-8
  94     ps.jtag("", ('E', 13), 0, 0, 4)
  95     ps.gpio("", ('E', 17), 0, 9, 5) # GPIO 9-13
  96     ps.vss("I", ('E', 22), 0, 5, 1)
  97     ps.vdd("I", ('E', 23), 0, 5, 1)
  98     ps.vss("E", ('E', 24), 0, 5, 1)
  99     ps.vdd("E", ('E', 25), 0, 5, 1)
 100     ps.gpio("", ('E', 26), 0, 14, 2) # GPIO 14-15
 101     ps.eint("", ('E', 28), 0, 0, 3)
 102     ps.sys("", ('E', 31), 0, 5, 1) # analog VCO out in right top
 103
 104     ps.vss("E", ('N', 1), 0, 6, 1)
 105     ps.vdd("E", ('N', 2), 0, 6, 1)
 106     ps.vdd("I", ('N', 3), 0, 6, 1)
 107     ps.vss("I", ('N', 4), 0, 6, 1)
 108     ps.rgmii("0", ('N', 5), 0, 0, 18)
 109     #ps.pwm("", ('N', 2), 0, 0, 2)  comment out (litex problem 25mar2021)
 110     #ps.mspi("1", ('N', 7), 0)       comment out (litex problem 25mar2021)
 111     #ps.sdmmc("0", ('N', 11), 0)     # comment out (litex problem 25mar2021)
 112     ps.sys("", ('N', 27), 0, 0, 5) # all but analog out in top right
 113     ps.vss("I", ('N', 23), 0, 7, 1)
 114     ps.vdd("I", ('N', 24), 0, 7, 1)
 115     ps.vss("E", ('N', 25), 0, 7, 1)
 116     ps.vdd("E", ('N', 26), 0, 7, 1)
 117
 118     #ps.mquadspi("1", ('S', 0), 0)
 119
 120     print ("ps clocks", ps.clocks)
 121
 122     # Scenarios below can be spec'd out as either "find first interface"
 123     # by name/number e.g. SPI1, or as "find in bank/mux" which must be
 124     # spec'd as "BM:Name" where B is bank (A-F), M is Mux (0-3)
 125     # EINT and PWM are grouped together, specially, but may still be spec'd
 126     # using "BM:Name".  Pins are removed in-order as listed from
 127     # lists (interfaces, EINTs, PWMs) from available pins.
 128
 129     ls180 = [
 130             # 'SD0', litex problem 25mar2021
 131             'UART0', 'GPIOS', 'GPIOE', 'JTAG', 'PWM', 'EINT',
 132              'VDD', 'VSS', 'SYS',
 133                 'MTWI', 'MSPI0',
 134                 # 'MSPI1', litex problem 25mar2021
 135                 'SDR']
 136     ls180_eint = []
 137     ls180_pwm = []#['B0:PWM_0']
 138     descriptions = {
 139         'SD0': 'user-facing: internal (on Card), multiplexed with JTAG\n'
 140         'and UART2, for debug purposes',
 141         'MTWI': 'I2C.\n',
 142         'E2:SD1': '',
 143         'MSPI1': '',
 144         'UART0': '',
 145         'LPC1': '',
 146         'SYS': '',
 147         'LPC2': '',
 148         'SDR': '',
 149         'B1:LCD/22': '18-bit RGB/TTL LCD',
 150         'ULPI0/8': 'user-facing: internal (on Card), USB-OTG ULPI PHY',
 151         'ULPI1': 'dual USB2 Host ULPI PHY'
 152     }
 153
 154     ps.add_scenario("Libre-SOC 2 (NGI Router) 180nm", ls180, ls180_eint,
 155                     ls180_pwm, descriptions)
 156
 157     return ps