src/spec/ls180.py

   1 #!/usr/bin/env python
   2 # see https://bugs.libre-soc.org/show_bug.cgi?id=303
   3
   4 from spec.base import PinSpec
   5
   6 from spec.ifaceprint import display, display_fns, check_functions
   7 from spec.ifaceprint import display_fixed
   8
   9
  10 def pinspec():
  11     pinbanks = {
  12         'A': (16, 4),
  13     }
  14     fixedpins = {
  15         'CTRL_SYS': [
  16             'TEST',
  17             'JTAG_SEL',
  18             'UBOOT_SEL',
  19             'NMI#',
  20             'RESET#',
  21             'CLK24M_IN',
  22             'CLK24M_OUT',
  23             'PLLTEST',
  24             'PLLREGIO',
  25             'PLLVP25',
  26             'PLLDV',
  27             'PLLVREG',
  28             'PLLGND',
  29         ],
  30         'POWER_GPIO': [
  31             'VDD_GPIOB',
  32             'GND_GPIOB',
  33         ]}
  34     function_names = {
  35                       'PWM': 'PWM (pulse-width modulation)',
  36                       'MSPI2': 'SPI (Serial Peripheral Interface) Master 1',
  37                       'UART1': 'UART (TX/RX) 1',
  38                       'UART3': 'UART (TX/RX) 2',
  39                       'LPC0': 'Low Pincount Interface 0',
  40                       }
  41
  42     ps = PinSpec(pinbanks, fixedpins, function_names)
  43
  44     ps.gpio("", ('A', 1), 0, 0, 1)
  45     ps.gpio("", ('A', 0), 0, 1, 1)
  46     ps.gpio("", ('A', 3), 0, 2, 1)
  47     ps.gpio("", ('A', 2), 0, 3, 1)
  48     ps.gpio("", ('A', 4), 0, 5, 2)
  49     ps.gpio("", ('A', 6), 0, 9, 1)
  50
  51     ps.gpio("", ('A', 7), 0, 13, 1)
  52     ps.gpio("", ('A', 8), 0, 10, 1)
  53     ps.gpio("", ('A', 9), 0, 12, 1)
  54     ps.gpio("", ('A', 10), 0, 11, 1)
  55
  56     ps.gpio("", ('A', 11), 0, 4, 1)
  57     ps.gpio("", ('A', 12), 0, 7, 2)
  58     ps.gpio("", ('A', 14), 0, 14, 2)
  59
  60
  61
  62
  63
  64     ps.pwm("", ('A', 2), 2, 0, 1)
  65     ps.pwm("", ('A', 4), 2, 1, 3)
  66     ps.pwm("", ('A', 8), 2, 4, 1)
  67     ps.pwm("", ('A', 10), 2, 5, 1)
  68     #ps.pwm("", ('A', 13), 2, 5, 1)
  69     ps.mspi("2", ('A', 7), 1)
  70     ps.uart("1", ('A', 0), 1)
  71     ps.uart("3", ('A', 2), 1)
  72     ps.lpc("0", ('A', 11), 3)
  73
  74     #ps.mquadspi("1", ('B', 0), 0)
  75
  76     # Scenarios below can be spec'd out as either "find first interface"
  77     # by name/number e.g. SPI1, or as "find in bank/mux" which must be
  78     # spec'd as "BM:Name" where B is bank (A-F), M is Mux (0-3)
  79     # EINT and PWM are grouped together, specially, but may still be spec'd
  80     # using "BM:Name".  Pins are removed in-order as listed from
  81     # lists (interfaces, EINTs, PWMs) from available pins.
  82
  83     ls180 = ['ULPI0/8', 'ULPI1', 'MMC', 'SD0', 'UART0', 'LPC0',
  84                 'TWI0', 'MSPI0', 'B3:SD1', ]
  85     ls180_eint = []
  86     ls180_pwm = ['B2:PWM_0']
  87     descriptions = {
  88         'MMC': 'internal (on Card)',
  89         'SD0': 'user-facing: internal (on Card), multiplexed with JTAG\n'
  90         'and UART2, for debug purposes',
  91         'TWI2': 'I2C.\n',
  92         'E2:SD1': '',
  93         'MSPI1': '',
  94         'UART0': '',
  95         'LPC0': '',
  96         'B1:LCD/22': '18-bit RGB/TTL LCD',
  97         'ULPI0/8': 'user-facing: internal (on Card), USB-OTG ULPI PHY',
  98         'ULPI1': 'dual USB2 Host ULPI PHY'
  99     }
 100
 101     ps.add_scenario("Libre-SOC 180nm", ls180, ls180_eint, ls180_pwm,
 102                     descriptions)
 103
 104     return ps