src/spec/pinfunctions.py

   1 #!/usr/bin/env python
   2
   3 def i2s(suffix, bank):
   4     return ['MCK+', 'BCK+', 'LRCK+', 'DI-', 'DO+']
   5
   6 def emmc(suffix, bank):
   7     emmcpins = ['CMD+', 'CLK+']
   8     for i in range(8):
   9         emmcpins.append("D%d*" % i)
  10     return emmcpins
  11
  12 def sdmmc(suffix, bank):
  13     sdmmcpins = ['CMD+', 'CLK+']
  14     for i in range(4):
  15         sdmmcpins.append("D%d*" % i)
  16     return sdmmcpins
  17
  18 def spi(suffix, bank):
  19     return ['CLK*', 'NSS*', 'MOSI*', 'MISO*']
  20
  21 def quadspi(suffix, bank):
  22     return ['CK*', 'NSS*', 'IO0*', 'IO1*', 'IO2*', 'IO3*']
  23
  24 def i2c(suffix, bank):
  25     return ['SDA*', 'SCL*']
  26
  27 def jtag(suffix, bank):
  28     return ['MS+', 'DI-', 'DO+', 'CK+']
  29
  30 def uart(suffix, bank):
  31     return ['TX+', 'RX-']
  32
  33 def ulpi(suffix, bank):
  34     ulpipins = ['CK+', 'DIR+', 'STP+', 'NXT+']
  35     for i in range(8):
  36         ulpipins.append('D%d*' % i)
  37     return ulpipins
  38
  39 def uartfull(suffix, bank):
  40     return ['TX+', 'RX-', 'CTS-', 'RTS+']
  41
  42 def rgbttl(suffix, bank):
  43     ttlpins = ['CK+', 'DE+', 'HS+', 'VS+']
  44     for i in range(24):
  45         ttlpins.append("D%d+" % i)
  46     return ttlpins
  47
  48 def rgmii(suffix, bank):
  49     buspins = []
  50     for i in range(4):
  51         buspins.append("ERXD%d-" % i)
  52     for i in range(4):
  53         buspins.append("ETXD%d+" % i)
  54     buspins += ['ERXCK-', 'ERXERR-', 'ERXDV-',
  55                 'EMDC+', 'EMDIO*',
  56                 'ETXEN+', 'ETXCK+', 'ECRS-',
  57                 'ECOL+', 'ETXERR+']
  58     return buspins
  59
  60 def flexbus1(suffix, bank):
  61     buspins = []
  62     for i in range(8):
  63         buspins.append("AD%d*" % i)
  64     for i in range(2):
  65         buspins.append("CS%d+" % i)
  66     buspins += ['ALE', 'OE', 'RW', 'TA', 'CLK+',
  67                 'A0', 'A1', 'TS', 'TBST',
  68                 'TSIZ0', 'TSIZ1']
  69     for i in range(4):
  70         buspins.append("BWE%d" % i)
  71     for i in range(2, 6):
  72         buspins.append("CS%d+" % i)
  73     return buspins
  74
  75 def flexbus2(suffix, bank):
  76     buspins = []
  77     for i in range(8, 32):
  78         buspins.append("AD%d*" % i)
  79     return buspins
  80
  81 def sdram1(suffix, bank):
  82     buspins = []
  83     for i in range(16):
  84         buspins.append("SDRDQM%d*" % i)
  85     for i in range(12):
  86         buspins.append("SDRAD%d+" % i)
  87     for i in range(8):
  88         buspins.append("SDRDQ%d+" % i)
  89     for i in range(3):
  90         buspins.append("SDRCS%d#+" % i)
  91     for i in range(2):
  92         buspins.append("SDRDQ%d+" % i)
  93     for i in range(2):
  94         buspins.append("SDRBA%d+" % i)
  95     buspins += ['SDRCKE+', 'SDRRAS#+', 'SDRCAS#+', 'SDRWE#+',
  96                 'SDRRST+']
  97     return buspins
  98
  99 def sdram2(suffix, bank):
 100     buspins = []
 101     for i in range(3, 6):
 102         buspins.append("SDRCS%d#+" % i)
 103     for i in range(8, 32):
 104         buspins.append("SDRDQ%d*" % i)
 105     return buspins
 106
 107 def mcu8080(suffix, bank):
 108     buspins = []
 109     for i in range(8):
 110         buspins.append("MCUD%d*" % i)
 111     for i in range(8):
 112         buspins.append("MCUAD%d+" % (i + 8))
 113     for i in range(6):
 114         buspins.append("MCUCS%d+" % i)
 115     for i in range(2):
 116         buspins.append("MCUNRB%d+" % i)
 117     buspins += ['MCUCD+', 'MCURD+', 'MCUWR+', 'MCUCLE+', 'MCUALE+',
 118                 'MCURST+']
 119     return buspins
 120
 121 class RangePin(object):
 122     def __init__(self, suffix, prefix=None):
 123         self.suffix = suffix
 124         self.prefix = prefix or ''
 125
 126     def __getitem__(self, s):
 127         res = []
 128         for idx in range(s.start or 0, s.stop or -1, s.step or 1):
 129             res.append("%s%d%s" % (self.prefix, idx, self.suffix))
 130         return res
 131
 132 def eint(suffix, bank):
 133     return RangePin("*")
 134
 135 def pwm(suffix, bank):
 136     return RangePin("+")
 137
 138 def gpio(suffix, bank):
 139     return ("GPIO%s" % bank, RangePin(prefix=bank, suffix="*"))
 140
 141
 142 # list functions by name here
 143
 144 pinspec = (('IIS', i2s),
 145            ('MMC', emmc),
 146            ('SD', sdmmc),
 147            ('SPI', spi),
 148            ('QSPI', quadspi),
 149            ('TWI', i2c),
 150            ('JTAG', jtag),
 151            ('UART', uart),
 152            ('UARTQ', uartfull),
 153            ('LCD', rgbttl),
 154            ('ULPI', ulpi),
 155            ('RG', rgmii),
 156            ('FB', flexbus1),
 157            ('FB', flexbus2),
 158            ('SDR', sdram1),
 159            ('SDR', sdram2),
 160            ('EINT', eint),
 161            ('PWM', pwm),
 162            ('GPIO', gpio),
 163           )
 164