src/spec/minitest.py

   1 #!/usr/bin/env python
   2
   3 from spec.interfaces import Pinouts
   4
   5 from spec.ifaceprint import display, display_fns, check_functions
   6 from spec.ifaceprint import display_fixed
   7
   8
   9 def pinspec():
  10     pinbanks = {
  11                 'B': 28,
  12                 }
  13     bankspec = {}
  14     pkeys = sorted(pinbanks.keys())
  15     offs = 0
  16     for kn in pkeys:
  17         bankspec[kn] = offs
  18         offs += pinbanks[kn]
  19
  20     pinouts = Pinouts(bankspec)
  21
  22     # Bank B, 16-47
  23     pinouts.gpio("", ('B', 0), "B", 0, 28, 0)
  24     pinouts.rgbttl("0", ('B', 0), "B", 1)
  25     pinouts.spi("1", ('B', 12), "B", 2)
  26     pinouts.quadspi("", ('B', 4), "B", 2)
  27     pinouts.uart("3", ('B', 16), "B", 2)
  28     pinouts.i2c("3", ('B', 18), "B", 2)
  29     #pinouts.pwm("", ('B', 9), "B", 0, 1, mux=2)
  30     pinouts.pwm("", ('B', 20), "B", 1, 2, mux=2)
  31     pinouts.sdmmc("1", ('B', 22), "B", 2)
  32     pinouts.eint("", ('B', 0), "B", 0, 4, mux=3)
  33     pinouts.flexbus2("", ('B', 4), "B", 3)
  34     pinouts.i2c("1", ('B', 0), "B", 2)
  35     pinouts.uart("2", ('B', 2), "B", 2)
  36     pinouts.uart("4", ('B', 10), "B", 2)
  37
  38
  39     print ("""# Pinouts (PinMux)
  40 auto-generated by [[pinouts.py]]
  41
  42 [[!toc  ]]
  43 """)
  44     display(pinouts)
  45
  46     print ("\n# Pinouts (Fixed function)\n")
  47
  48     fixedpins = {
  49         'CTRL_SYS': [
  50             'TEST',
  51             'JTAG_SEL',
  52             'UBOOT_SEL',
  53             'NMI#',
  54             'RESET#',
  55             'CLK24M_IN',
  56             'CLK24M_OUT',
  57             'PLLTEST',
  58             'PLLREGIO',
  59             'PLLVP25',
  60             'PLLDV',
  61             'PLLVREG',
  62             'PLLGND',
  63         ],
  64         'POWER_GPIO': [
  65             'VDD_GPIOB',
  66             'GND_GPIOB',
  67         ]}
  68
  69     fixedpins = display_fixed(fixedpins, len(pinouts))
  70
  71     print ("""# Functions (PinMux)
  72
  73 auto-generated by [[pinouts.py]]
  74 """)
  75
  76     function_names = {'EINT': 'External Interrupt',
  77                       'FB': 'MC68k FlexBus',
  78                       'IIS': 'I2S Audio',
  79                       'JTAG1': 'JTAG (same as JTAG2, JTAG_SEL=LOW)',
  80                       'JTAG2': 'JTAG (same as JTAG1, JTAG_SEL=HIGH)',
  81                       'LCD': '24-pin RGB/TTL LCD',
  82                       'RG': 'RGMII Ethernet',
  83                       'MMC': 'eMMC 1/2/4/8 pin',
  84                       'PWM': 'PWM (pulse-width modulation)',
  85                       'SD1': 'SD/MMC 1',
  86                       'SD2': 'SD/MMC 2',
  87                       'SD3': 'SD/MMC 3',
  88                       'SPI1': 'SPI (Serial Peripheral Interface) 1',
  89                       'SPI2': 'SPI (Serial Peripheral Interface) 2',
  90                       'QSPI': 'Quad SPI (Serial Peripheral Interface) 1',
  91                       'TWI1': 'I2C 1',
  92                       'TWI2': 'I2C 2',
  93                       'TWI3': 'I2C 3',
  94                       'UARTQ0': 'UART (TX/RX/CTS/RTS) 0',
  95                       'UARTQ1': 'UART (TX/RX/CTS/RTS) 1',
  96                       'UART2': 'UART (TX/RX) 2',
  97                       'UART3': 'UART (TX/RX) 3',
  98                       'UART4': 'UART (TX/RX) 4',
  99                       'ULPI1': 'ULPI (USB Low Pin-count) 1',
 100                       'ULPI2': 'ULPI (USB Low Pin-count) 2',
 101                       'ULPI3': 'ULPI (USB Low Pin-count) 3',
 102                       }
 103
 104     fns = display_fns(bankspec, pinouts, function_names)
 105     print
 106
 107     # Scenarios below can be spec'd out as either "find first interface"
 108     # by name/number e.g. SPI1, or as "find in bank/mux" which must be
 109     # spec'd as "BM:Name" where B is bank (A-F), M is Mux (0-3)
 110     # EINT and PWM are grouped together, specially, but may still be spec'd
 111     # using "BM:Name".  Pins are removed in-order as listed from
 112     # lists (interfaces, EINTs, PWMs) from available pins.
 113
 114     # EOMA68 scenario.  not totally complete (some GPIO needed for PMIC)
 115     # One interface to be connected to the MCU to give RTC and boot/dbg
 116     # VBUS_EN, OTG_ID etc. are all not included below, there is plenty
 117     # of spare GPIO.
 118
 119     eoma68 = ['B1:LCD/22', 'ULPI1/8', 'ULPI2', 'MMC', 'SD1', 'UART3',
 120               'TWI3', 'SPI2', 'E2:SD2', ]
 121     eoma68_eint = ['EINT_0', 'EINT_1', 'EINT_2', 'EINT_3']
 122     eoma68_pwm = ['D1:PWM_2']
 123     descriptions = {
 124         'MMC': 'internal (on Card)',
 125         'SD1': 'user-facing: internal (on Card), multiplexed with JTAG1\n'
 126         'and UART2, for debug purposes',
 127         'TWI3': 'EOMA68-compliance: must be entirely free of devices.\n'
 128         'Address 0x51 used (externally) for EOMA68 EEPROM Id',
 129         'E2:SD2': 'EOMA68-compliance',
 130         'SPI2': 'EOMA68-compliance',
 131         'UART3': 'EOMA68-compliance',
 132         'B1:LCD/22': 'EOMA68-compliance, 18-bit RGB/TTL LCD',
 133         'ULPI1/8': 'user-facing: internal (on Card), USB-OTG ULPI PHY',
 134         'ULPI2': 'EOMA68-compliance: dual USB2 Host ULPI PHY'
 135     }
 136
 137     unused_pins = check_functions("EOMA68", bankspec, fns, pinouts,
 138                                   eoma68, eoma68_eint, eoma68_pwm,
 139                                   descriptions)
 140
 141
 142     print ("""# Reference Datasheets
 143
 144 datasheets and pinout links
 145 * <http://datasheets.chipdb.org/AMD/8018x/80186/amd-80186.pdf>
 146 * <http://hands.com/~lkcl/eoma/shenzen/frida/FRD144A2701.pdf>
 147 * <http://pinouts.ru/Memory/sdcard_pinout.shtml>
 148 * p8 <http://www.onfi.org/~/media/onfi/specs/onfi_2_0_gold.pdf?la=en>
 149 * <https://www.heyrick.co.uk/blog/files/datasheets/dm9000aep.pdf>
 150 * <http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4393.pdf>
 151 * <https://www.nxp.com/docs/en/data-sheet/MCF54418.pdf>
 152 * ULPI OTG PHY, ST <http://www.st.com/en/interfaces-and-transceivers/stulpi01a.html>
 153 * ULPI OTG PHY, TI TUSB1210 <http://ti.com/product/TUSB1210/>
 154 """)
 155
 156     return pinouts, bankspec, pinbanks, fixedpins