src/spec/ls180.py

   1 #!/usr/bin/env python
   2 # see https://bugs.libre-soc.org/show_bug.cgi?id=304
   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                       'PWM': 'PWM (pulse-width modulation)',
  42                       'MSPI0': 'SPI Master 1 (general)',
  43                       'MSPI1': 'SPI Master 2 (SDCard)',
  44                       'UART0': 'UART (TX/RX) 1',
  45                       'SYS': 'System Control',
  46                       'GPIO': 'GPIO',
  47                       'EINT': 'External Interrupt',
  48                       'PWM': 'PWM',
  49                       'JTAG': 'JTAG',
  50                       'MTWI': 'I2C Master 1',
  51                       'SD0': 'SD/MMC 1',
  52                       'SDR': 'SDRAM',
  53                       'VDD': 'Power',
  54                       'VSS': 'GND',
  55                       #'LPC1': 'Low Pincount Interface 1',
  56                       #'LPC2': 'Low Pincount Interface 2',
  57                       }
  58
  59     ps = PinSpec(pinbanks, fixedpins, function_names)
  60
  61     ps.sdram1("", ('W', 0), 0, 15, 6, rev=True) # AD4-9, turned round
  62     ps.vdd("E", ('W', 6), 0, 0, 1)
  63     ps.vss("E", ('W', 7), 0, 0, 1)
  64     ps.vdd("I", ('W', 8), 0, 0, 1)
  65     ps.vss("I", ('W', 9), 0, 0, 1)
  66     ps.sdram1("", ('W', 10), 0, 0, 15, rev=True) # SDRAM DAM0, D0-7, AD0-3
  67     ps.mi2c("", ('W', 26), 0, 0, 2)
  68     ps.vss("I", ('W', 28), 0, 1, 1)
  69     ps.vdd("I", ('W', 29), 0, 1, 1)
  70     ps.vss("E", ('W', 30), 0, 1, 1)
  71     ps.vdd("E", ('W', 31), 0, 1, 1)
  72
  73     ps.sdram2("", ('S', 0), 0, 0, 4) # 1st 4, AD10-12,DQM1
  74     ps.vdd("E", ('S', 4), 0, 2, 1)
  75     ps.vss("E", ('S', 5), 0, 2, 1)
  76     ps.vdd("I", ('S', 6), 0, 2, 1)
  77     ps.vss("I", ('S', 7), 0, 2, 1)
  78     ps.sdram2("", ('S', 8), 0, 4, 8) # D8-15
  79     ps.sdram1("", ('S', 16), 0, 21, 9) # clk etc.
  80     ps.vss("I", ('S', 22), 0, 3, 1)
  81     ps.vdd("I", ('S', 23), 0, 3, 1)
  82     ps.vss("E", ('S', 24), 0, 3, 1)
  83     ps.vdd("E", ('S', 25), 0, 3, 1)
  84     ps.uart("0", ('S', 26), 0)
  85     ps.mspi("0", ('S', 28), 0)
  86
  87     ps.gpio("", ('E', 0), 0, 0, 6) # GPIO 0-5
  88     ps.vss("E", ('E', 6), 0, 4, 1)
  89     ps.vdd("E", ('E', 7), 0, 4, 1)
  90     ps.vdd("I", ('E', 8), 0, 4, 1)
  91     ps.vss("I", ('E', 9), 0, 4, 1)
  92     ps.gpio("", ('E', 10), 0, 6, 3) # GPIO 6-8
  93     ps.jtag("", ('E', 13), 0, 0, 4)
  94     ps.gpio("", ('E', 17), 0, 9, 5) # GPIO 9-13
  95     ps.vss("I", ('E', 22), 0, 5, 1)
  96     ps.vdd("I", ('E', 23), 0, 5, 1)
  97     ps.vss("E", ('E', 24), 0, 5, 1)
  98     ps.vdd("E", ('E', 25), 0, 5, 1)
  99     ps.gpio("", ('E', 26), 0, 14, 2) # GPIO 14-15
 100     ps.eint("", ('E', 28), 0, 0, 3)
 101     ps.sys("", ('E', 31), 0, 5, 1) # analog VCO out in right top
 102
 103     ps.vss("E", ('N', 6), 0, 6, 1)
 104     ps.vdd("E", ('N', 7), 0, 6, 1)
 105     ps.vdd("I", ('N', 8), 0, 6, 1)
 106     ps.vss("I", ('N', 9), 0, 6, 1)
 107     #ps.pwm("", ('N', 2), 0, 0, 2)  comment out (fabric problem 25mar2021)
 108     #ps.mspi("1", ('N', 7), 0)       comment out (fabric problem 25mar2021)
 109     #ps.sdmmc("0", ('N', 11), 0)     # comment out (fabric problem 25mar2021)
 110     ps.sys("", ('N', 27), 0, 0, 5) # all but analog out in top right
 111     ps.vss("I", ('N', 22), 0, 7, 1)
 112     ps.vdd("I", ('N', 23), 0, 7, 1)
 113     ps.vss("E", ('N', 24), 0, 7, 1)
 114     ps.vdd("E", ('N', 25), 0, 7, 1)
 115
 116     #ps.mquadspi("1", ('S', 0), 0)
 117
 118     print ("ps clocks", ps.clocks)
 119
 120     # Scenarios below can be spec'd out as either "find first interface"
 121     # by name/number e.g. SPI1, or as "find in bank/mux" which must be
 122     # spec'd as "BM:Name" where B is bank (A-F), M is Mux (0-3)
 123     # EINT and PWM are grouped together, specially, but may still be spec'd
 124     # using "BM:Name".  Pins are removed in-order as listed from
 125     # lists (interfaces, EINTs, PWMs) from available pins.
 126
 127     ls180 = [
 128             # 'SD0', fabric problem 25mar2021
 129             'UART0', 'GPIOS', 'GPIOE', 'JTAG', 'PWM', 'EINT',
 130              'VDD', 'VSS', 'SYS',
 131                 'MTWI', 'MSPI0',
 132                 # 'MSPI1', fabric problem 25mar2021
 133                 'SDR']
 134     ls180_eint = []
 135     ls180_pwm = []#['B0:PWM_0']
 136     descriptions = {
 137         'SD0': 'user-facing: internal (on Card), multiplexed with JTAG\n'
 138         'and UART2, for debug purposes',
 139         'MTWI': 'I2C.\n',
 140         'E2:SD1': '',
 141         'MSPI1': '',
 142         'UART0': '',
 143         'LPC1': '',
 144         'SYS': '',
 145         'LPC2': '',
 146         'SDR': '',
 147         'B1:LCD/22': '18-bit RGB/TTL LCD',
 148         'ULPI0/8': 'user-facing: internal (on Card), USB-OTG ULPI PHY',
 149         'ULPI1': 'dual USB2 Host ULPI PHY'
 150     }
 151
 152     ps.add_scenario("Libre-SOC 180nm", ls180, ls180_eint, ls180_pwm,
 153                     descriptions)
 154
 155     return ps