+++ /dev/null
-#!/usr/bin/env python
-# see https://bugs.libre-soc.org/show_bug.cgi?id=739
-
-from spec.base import PinSpec
-from parse import Parse
-
-from pprint import pprint
-from spec.ifaceprint import display, display_fns, check_functions
-from spec.ifaceprint import display_fixed
-from collections import OrderedDict
-
-def pinspec():
- pinbanks = OrderedDict((
- ('N', (32, 4)),
- ('E', (32, 4)),
- ('S', (32, 4)),
- ('W', (32, 4)),
- ))
- fixedpins = {
- 'CTRL_SYS': [
- 'TEST',
- 'JTAG_SEL',
- 'UBOOT_SEL',
- 'NMI#',
- 'RESET#',
- 'CLK24M_IN',
- 'CLK24M_OUT',
- 'PLLTEST',
- 'PLLREGIO',
- 'PLLVP25',
- 'PLLDV',
- 'PLLVREG',
- 'PLLGND',
- ],
- 'POWER_GPIO': [
- 'VDD_GPIOB',
- 'GND_GPIOB',
- ]}
- fixedpins = {}
- function_names = {
- 'RG0': 'Gigabit Ethernet 0',
- 'PWM': 'PWM (pulse-width modulation)',
- 'MSPI0': 'SPI Master 1 (general)',
- 'MSPI1': 'SPI Master 2 (SDCard)',
- 'UART0': 'UART (TX/RX) 1',
- 'SYS': 'System Control',
- 'GPIO': 'GPIO',
- 'EINT': 'External Interrupt',
- 'PWM': 'PWM',
- 'JTAG': 'JTAG',
- 'MTWI': 'I2C Master 1',
- 'SD0': 'SD/MMC 1',
- 'SDR': 'SDRAM',
- 'VDD': 'Power',
- 'VSS': 'GND',
- #'LPC1': 'Low Pincount Interface 1',
- #'LPC2': 'Low Pincount Interface 2',
- }
-
- ps = PinSpec(pinbanks, fixedpins, function_names)
-
- ps.gpio("", ('W', 0), 0, 0, 6) # GPIO 0-5
- ps.sdram1("", ('W', 0), 1, 15, 6, rev=True) # AD4-9, turned round
- ps.vdd("E", ('W', 6), 0, 0, 1)
- ps.vss("E", ('W', 7), 0, 0, 1)
- ps.vdd("I", ('W', 8), 0, 0, 1)
- ps.vss("I", ('W', 9), 0, 0, 1)
- ps.gpio("", ('W', 10), 0, 6, 15) # GPIO 6-20
- ps.sdram1("", ('W', 10), 1, 0, 15, rev=True) # SDRAM DAM0, D0-7, AD0-3
- ps.vss("I", ('W', 25), 0, 1, 1)
- ps.vdd("I", ('W', 26), 0, 1, 1)
- ps.vss("E", ('W', 27), 0, 1, 1)
- ps.vdd("E", ('W', 28), 0, 1, 1)
- ps.gpio("", ('W', 29), 0, 21, 3) # GPIO 21-23
- ps.mi2c("", ('W', 30), 1, 0, 2)
-
- ps.gpio("", ('S', 0), 0, 0, 4) # GPIO 0-4
- ps.sdram2("", ('S', 0), 1, 0, 4) # 1st 4, AD10-12,DQM1
- ps.vdd("E", ('S', 4), 0, 2, 1)
- ps.vss("E", ('S', 5), 0, 2, 1)
- ps.vdd("I", ('S', 6), 0, 2, 1)
- ps.vss("I", ('S', 7), 0, 2, 1)
- ps.gpio("", ('S', 8), 0, 4, 14) # GPIO 5-17
- ps.sdram2("", ('S', 8), 1, 4, 8) # D8-15
- ps.sdram1("", ('S', 16), 1, 21, 9) # clk etc.
- ps.vss("I", ('S', 22), 0, 3, 1)
- ps.vdd("I", ('S', 23), 0, 3, 1)
- ps.vss("E", ('S', 24), 0, 3, 1)
- ps.vdd("E", ('S', 25), 0, 3, 1)
- ps.gpio("", ('S', 26), 0, 18, 6) # GPIO 18-23
- ps.uart("0", ('S', 26), 1)
- ps.mspi("0", ('S', 28), 1)
-
- ps.gpio("", ('E', 0), 0, 0, 4) # GPIO 0-3
- ps.rgmii("1", ('E', 0), 1, 0, 4) # RXD0-3
- ps.vss("E", ('E', 4), 0, 4, 1)
- ps.vdd("E", ('E', 5), 0, 4, 1)
- ps.vdd("I", ('E', 6), 0, 4, 1)
- ps.vss("I", ('E', 7), 0, 4, 1)
- ps.gpio("", ('E', 8), 0, 6, 10) # GPIO 4-13
- ps.rgmii("1", ('E', 8), 1, 4, 10) # more RGMII-2
- ps.jtag("", ('E', 18), 0, 0, 4)
- ps.vss("I", ('E', 22), 0, 5, 1)
- ps.vdd("I", ('E', 23), 0, 5, 1)
- ps.vss("E", ('E', 24), 0, 5, 1)
- ps.vdd("E", ('E', 25), 0, 5, 1)
- ps.gpio("", ('E', 26), 0, 16, 5) # GPIO 14-18
- ps.rgmii("1", ('E', 26), 1, 14, 5) # more RGMII-2
- ps.eint("", ('E', 28), 2, 0, 3)
- ps.sys("", ('E', 31), 0, 5, 1) # analog VCO out in right top
-
- ps.gpio("", ('N', 0), 0, 0, 4) # GPIO 0-3
- ps.rgmii("0", ('N', 0), 1, 0, 4) # RXD0-3
- ps.vss("E", ('N', 4), 0, 6, 1)
- ps.vdd("E", ('N', 5), 0, 6, 1)
- ps.vdd("I", ('N', 6), 0, 6, 1)
- ps.vss("I", ('N', 7), 0, 6, 1)
- ps.gpio("", ('N', 8), 0, 4, 14) # GPIO 4-17
- ps.rgmii("0", ('N', 8), 1, 4, 14) # more RGMII-1
- #ps.pwm("", ('N', 2), 0, 0, 2) comment out (litex problem 25mar2021)
- #ps.mspi("1", ('N', 7), 0) comment out (litex problem 25mar2021)
- #ps.sdmmc("0", ('N', 11), 0) # comment out (litex problem 25mar2021)
- ps.sys("", ('N', 27), 0, 0, 5) # all but analog out in top right
- ps.vss("I", ('N', 23), 0, 7, 1)
- ps.vdd("I", ('N', 24), 0, 7, 1)
- ps.vss("E", ('N', 25), 0, 7, 1)
- ps.vdd("E", ('N', 26), 0, 7, 1)
-
- #ps.mquadspi("1", ('S', 0), 0)
-
- print ("ps clocks", ps.clocks)
-
- # Scenarios below can be spec'd out as either "find first interface"
- # by name/number e.g. SPI1, or as "find in bank/mux" which must be
- # spec'd as "BM:Name" where B is bank (A-F), M is Mux (0-3)
- # EINT and PWM are grouped together, specially, but may still be spec'd
- # using "BM:Name". Pins are removed in-order as listed from
- # lists (interfaces, EINTs, PWMs) from available pins.
-
- ls180 = [
- # 'SD0', litex problem 25mar2021
- 'UART0', 'JTAG', 'PWM', 'EINT',
- 'VDD', 'VSS', 'SYS',
- 'MTWI', 'MSPI0',
- 'RG0', 'RG1',
- # 'MSPI1', litex problem 25mar2021
- 'SDR']
- ls180_eint = []
- ls180_pwm = []#['B0:PWM_0']
- descriptions = {
- 'SD0': 'user-facing: internal (on Card), multiplexed with JTAG\n'
- 'and UART2, for debug purposes',
- 'MTWI': 'I2C.\n',
- 'E2:SD1': '',
- 'MSPI1': '',
- 'UART0': '',
- 'LPC1': '',
- 'RG0': '',
- 'RG1': '',
- 'SYS': '',
- 'LPC2': '',
- 'SDR': '',
- 'B1:LCD/22': '18-bit RGB/TTL LCD',
- 'ULPI0/8': 'user-facing: internal (on Card), USB-OTG ULPI PHY',
- 'ULPI1': 'dual USB2 Host ULPI PHY'
- }
-
- ps.add_scenario("Libre-SOC 2 (NGI Router) 180nm", ls180, ls180_eint,
- ls180_pwm, descriptions)
-
- return ps
from spec.base import PinSpec
from parse import Parse
-import json
from pprint import pprint
from spec.ifaceprint import display, display_fns, check_functions
from collections import OrderedDict
def pinspec():
- # TODO - Turn the number of pins per side into a variable?
pinbanks = OrderedDict((
- ('N', (64, 2)),
- ('E', (64, 2)),
- ('S', (64, 2)),
- ('W', (64, 2)),
+ ('N', (32, 4)),
+ ('E', (32, 4)),
+ ('S', (32, 4)),
+ ('W', (32, 4)),
))
fixedpins = {
'CTRL_SYS': [
]}
fixedpins = {}
function_names = {
- # Essential
'RG0': 'Gigabit Ethernet 0',
- 'RG1': 'Gigabit Ethernet 1',
- 'RG2': 'Gigabit Ethernet 2',
- 'RG3': 'Gigabit Ethernet 3',
- 'RG4': 'Gigabit Ethernet 4',
- 'ULPI0': 'USB ULPI0 PHY',
- 'ULPI1': 'USB ULPI1 PHY',
- 'SDR': 'SDRAM',
- 'UART0': 'UART (TX/RX)',
- 'JTAG': 'JTAG',
- 'VDD': 'Power',
- 'VSS': 'GND',
+ 'PWM': 'PWM (pulse-width modulation)',
+ 'MSPI0': 'SPI Master 1 (general)',
+ 'MSPI1': 'SPI Master 2 (SDCard)',
+ 'UART0': 'UART (TX/RX) 1',
'SYS': 'System Control',
- 'MSPI0': 'SPI Master 0 (general)',
- # Non-Essential
'GPIO': 'GPIO',
'EINT': 'External Interrupt',
- 'MTWI': 'I2C Master',
- 'QSPI': 'QSPI Master',
- 'SD0': 'SD/MMC',
+ 'PWM': 'PWM',
+ 'JTAG': 'JTAG',
+ 'MTWI': 'I2C Master 1',
+ 'SD0': 'SD/MMC 1',
+ 'SDR': 'SDRAM',
+ 'VDD': 'Power',
+ 'VSS': 'GND',
+ #'LPC1': 'Low Pincount Interface 1',
+ #'LPC2': 'Low Pincount Interface 2',
}
ps = PinSpec(pinbanks, fixedpins, function_names)
- #ps.sdram1("", ('W', 0), 0, 15, 6, rev=True) # AD4-9, turned round
- #ps.vdd("E", ('W', 6), 0, 0, 1)
- #ps.vss("E", ('W', 7), 0, 0, 1)
- #ps.vdd("I", ('W', 8), 0, 0, 1)
- #ps.vss("I", ('W', 9), 0, 0, 1)
- #ps.sdram1("", ('W', 10), 0, 0, 15, rev=True) # SDRAM DAM0, D0-7, AD0-3
- #ps.mi2c("", ('W', 26), 0, 0, 2)
- #ps.vss("I", ('W', 28), 0, 1, 1)
- #ps.vdd("I", ('W', 29), 0, 1, 1)
-
-
-
-
-
- ps.vdd("I", ('W', 0), 0, 0, 1)
- ps.vss("I", ('W', 1), 0, 0, 1)
- ps.vdd("E", ('W', 2), 0, 0, 1)
- ps.vss("E", ('W', 3), 0, 0, 1)
- ps.ulpi("0", ('W', 4), 0, 0, 12)
- ps.vdd("I", ('W', 16), 0, 1, 1)
- ps.vss("I", ('W', 17), 0, 1, 1)
- ps.ulpi("1", ('W', 18), 0, 0, 12)
- ps.vdd("E", ('W', 30), 0, 1, 1)
- ps.vss("E", ('W', 31), 0, 1, 1)
- ps.uart("0", ('W', 32), 0)
- ps.vdd("I", ('W', 34), 0, 2, 1)
- ps.vss("I", ('W', 35), 0, 2, 1)
- ps.eint("", ('W', 36), 0, 0, 3)
- ps.vdd("E", ('W', 42), 0, 2, 1)
- ps.vss("E", ('W', 43), 0, 2, 1)
- ps.gpio("", ('W', 44), 0, 0, 16) # GPIO 0-16
- ps.vdd("I", ('W', 60), 0, 3, 1)
- ps.vss("I", ('W', 61), 0, 3, 1)
- ps.vdd("E", ('W', 62), 0, 3, 1)
- ps.vss("E", ('W', 63), 0, 3, 1)
-
-
- #ps.sdram2("", ('S', 0), 0, 0, 4) # 1st 4, AD10-12,DQM1
+ ps.gpio("", ('W', 0), 0, 0, 6) # GPIO 0-5
+ ps.sdram1("", ('W', 0), 1, 15, 6, rev=True) # AD4-9, turned round
+ ps.vdd("E", ('W', 6), 0, 0, 1)
+ ps.vss("E", ('W', 7), 0, 0, 1)
+ ps.vdd("I", ('W', 8), 0, 0, 1)
+ ps.vss("I", ('W', 9), 0, 0, 1)
+ ps.gpio("", ('W', 10), 0, 6, 15) # GPIO 6-20
+ ps.sdram1("", ('W', 10), 1, 0, 15, rev=True) # SDRAM DAM0, D0-7, AD0-3
+ ps.vss("I", ('W', 25), 0, 1, 1)
+ ps.vdd("I", ('W', 26), 0, 1, 1)
+ ps.vss("E", ('W', 27), 0, 1, 1)
+ ps.vdd("E", ('W', 28), 0, 1, 1)
+ ps.gpio("", ('W', 29), 0, 21, 3) # GPIO 21-23
+ ps.mi2c("", ('W', 30), 1, 0, 2)
+
+ ps.gpio("", ('S', 0), 0, 0, 4) # GPIO 0-4
+ ps.sdram2("", ('S', 0), 1, 0, 4) # 1st 4, AD10-12,DQM1
ps.vdd("E", ('S', 4), 0, 2, 1)
ps.vss("E", ('S', 5), 0, 2, 1)
ps.vdd("I", ('S', 6), 0, 2, 1)
ps.vss("I", ('S', 7), 0, 2, 1)
- #ps.sdram2("", ('S', 8), 0, 4, 8) # D8-15
- #ps.sdram1("", ('S', 16), 0, 21, 9) # clk etc.
- #ps.vss("I", ('S', 22), 0, 3, 1)
- #ps.vdd("I", ('S', 23), 0, 3, 1)
- #ps.vss("E", ('S', 24), 0, 3, 1)
- #ps.vdd("E", ('S', 25), 0, 3, 1)
- #ps.mspi("0", ('S', 28), 0)
-
-
- ps.vss("E", ('E', 0), 0, 0, 1)
- ps.vdd("E", ('E', 1), 0, 0, 1)
- #ps.sdram1("", ('W', 0), 0, 0, 6)
- ps.vss("E", ('E', 20), 0, 4, 1)
- ps.vdd("E", ('E', 21), 0, 4, 1)
- ps.vss("E", ('E', 40), 0, 4, 1)
- ps.vdd("E", ('E', 41), 0, 4, 1)
- ps.vss("I", ('E', 60), 0, 4, 1)
- ps.vdd("I", ('E', 61), 0, 4, 1)
- #ps.vdd("I", ('E', 8), 0, 4, 1)
- #ps.vss("I", ('E', 9), 0, 4, 1)
- #ps.gpio("", ('E', 10), 0, 6, 3) # GPIO 6-8
- #ps.jtag("", ('E', 13), 0, 0, 4)
- #ps.gpio("", ('E', 17), 0, 9, 5) # GPIO 9-13
- #ps.vss("I", ('E', 22), 0, 5, 1)
- #ps.vdd("I", ('E', 23), 0, 5, 1)
- #ps.vss("E", ('E', 24), 0, 5, 1)
- #ps.vdd("E", ('E', 25), 0, 5, 1)
- #ps.gpio("", ('E', 26), 0, 14, 2) # GPIO 14-15
-
- ps.sys("", ('E', 63), 0, 5, 1) # analog VCO out in right top
-
- ps.vss("E", ('N', 0), 0, 0, 1)
- ps.vdd("E", ('N', 1), 0, 0, 1)
- ps.vdd("I", ('N', 2), 0, 0, 1)
- ps.vss("I", ('N', 3), 0, 0, 1)
- ps.sdram1("", ('N', 4), 0, 0, 39)
-
+ ps.gpio("", ('S', 8), 0, 4, 14) # GPIO 5-17
+ ps.sdram2("", ('S', 8), 1, 4, 8) # D8-15
+ ps.sdram1("", ('S', 16), 1, 21, 9) # clk etc.
+ ps.vss("I", ('S', 22), 0, 3, 1)
+ ps.vdd("I", ('S', 23), 0, 3, 1)
+ ps.vss("E", ('S', 24), 0, 3, 1)
+ ps.vdd("E", ('S', 25), 0, 3, 1)
+ ps.gpio("", ('S', 26), 0, 18, 6) # GPIO 18-23
+ ps.uart("0", ('S', 26), 1)
+ ps.mspi("0", ('S', 28), 1)
+
+ ps.gpio("", ('E', 0), 0, 0, 4) # GPIO 0-3
+ ps.rgmii("1", ('E', 0), 1, 0, 4) # RXD0-3
+ ps.vss("E", ('E', 4), 0, 4, 1)
+ ps.vdd("E", ('E', 5), 0, 4, 1)
+ ps.vdd("I", ('E', 6), 0, 4, 1)
+ ps.vss("I", ('E', 7), 0, 4, 1)
+ ps.gpio("", ('E', 8), 0, 6, 10) # GPIO 4-13
+ ps.rgmii("1", ('E', 8), 1, 4, 10) # more RGMII-2
+ ps.jtag("", ('E', 18), 0, 0, 4)
+ ps.vss("I", ('E', 22), 0, 5, 1)
+ ps.vdd("I", ('E', 23), 0, 5, 1)
+ ps.vss("E", ('E', 24), 0, 5, 1)
+ ps.vdd("E", ('E', 25), 0, 5, 1)
+ ps.gpio("", ('E', 26), 0, 16, 5) # GPIO 14-18
+ ps.rgmii("1", ('E', 26), 1, 14, 5) # more RGMII-2
+ ps.eint("", ('E', 28), 2, 0, 3)
+ ps.sys("", ('E', 31), 0, 5, 1) # analog VCO out in right top
+
+ ps.gpio("", ('N', 0), 0, 0, 4) # GPIO 0-3
+ ps.rgmii("0", ('N', 0), 1, 0, 4) # RXD0-3
+ ps.vss("E", ('N', 4), 0, 6, 1)
+ ps.vdd("E", ('N', 5), 0, 6, 1)
+ ps.vdd("I", ('N', 6), 0, 6, 1)
+ ps.vss("I", ('N', 7), 0, 6, 1)
+ ps.gpio("", ('N', 8), 0, 4, 14) # GPIO 4-17
+ ps.rgmii("0", ('N', 8), 1, 4, 14) # more RGMII-1
#ps.pwm("", ('N', 2), 0, 0, 2) comment out (litex problem 25mar2021)
#ps.mspi("1", ('N', 7), 0) comment out (litex problem 25mar2021)
#ps.sdmmc("0", ('N', 11), 0) # comment out (litex problem 25mar2021)
- ps.sys("", ('N', 59), 0, 0, 5) # all but analog out in top right
- ps.vss("I", ('N', 54), 0, 0, 1)
- ps.vdd("I", ('N', 55), 0, 0, 1)
- ps.vss("E", ('N', 56), 0, 0, 1)
- ps.vdd("E", ('N', 57), 0, 0, 1)
+ ps.sys("", ('N', 27), 0, 0, 5) # all but analog out in top right
+ ps.vss("I", ('N', 23), 0, 7, 1)
+ ps.vdd("I", ('N', 24), 0, 7, 1)
+ ps.vss("E", ('N', 25), 0, 7, 1)
+ ps.vdd("E", ('N', 26), 0, 7, 1)
- ps.rgmii("0", ('E', 42), 0, 0, 18)
- ps.rgmii("1", ('E', 22), 0, 0, 18)
- ps.rgmii("2", ('E', 2), 0, 0, 18)
- ps.rgmii("3", ('S', 44), 0, 0, 18)
- ps.rgmii("4", ('S', 24), 0, 0, 18)
#ps.mquadspi("1", ('S', 0), 0)
print ("ps clocks", ps.clocks)
# EINT and PWM are grouped together, specially, but may still be spec'd
# using "BM:Name". Pins are removed in-order as listed from
# lists (interfaces, EINTs, PWMs) from available pins.
- ngi_router = [
- 'RG0', 'RG1', 'RG2', 'RG3', 'RG4',
- 'ULPI0', 'ULPI0',
- 'SDR',
- 'UART0', 'JTAG',
- 'VDD', 'VSS',
- 'SYS',
- 'MSPI0', 'MTWI',
- 'GPIO', 'EINT',
- 'QSPI', 'SD0'
- ]
- ngi_router_eint = []
- ngi_router_pwm = []#['B0:PWM_0']
+
+ ls180 = [
+ # 'SD0', litex problem 25mar2021
+ 'UART0', 'JTAG', 'PWM', 'EINT',
+ 'VDD', 'VSS', 'SYS',
+ 'MTWI', 'MSPI0',
+ 'RG0', 'RG1',
+ # 'MSPI1', litex problem 25mar2021
+ 'SDR']
+ ls180_eint = []
+ ls180_pwm = []#['B0:PWM_0']
descriptions = {
'SD0': 'user-facing: internal (on Card), multiplexed with JTAG\n'
'and UART2, for debug purposes',
'MSPI1': '',
'UART0': '',
'LPC1': '',
+ 'RG0': '',
+ 'RG1': '',
'SYS': '',
'LPC2': '',
'SDR': '',
'ULPI1': 'dual USB2 Host ULPI PHY'
}
- ps.add_scenario("NGI ROUTER Libre-SOC 180nm", ngi_router, ngi_router_eint, ngi_router_pwm,
- descriptions)
+ ps.add_scenario("Libre-SOC 2 (NGI Router) 180nm", ls180, ls180_eint,
+ ls180_pwm, descriptions)
return ps
-
-
-# map pins to litex name conventions, primarily for use in coriolis2
-# yes this is a mess. it'll do the job though. improvements later
-def pinparse(psp, pinspec):
- p = Parse(pinspec, verify=False)
- pinmap = {}
- litexmap = {}
-
- print (p.muxed_cells)
- print (p.muxed_cells_bank)
-
- # TODO - Turn the number of pins per side into a variable?
- ps = [''] * 64
- pn = [''] * 64
- pe = [''] * 64
- pw = [''] * 64
- pads = {'N': pn, 'S': ps, 'E': pe, 'W': pw}
-
- iopads = []
- domains = {}
- clocks = {}
-
- n_intpower = 0
- n_extpower = 0
- for (padnum, name, x), bank in zip(p.muxed_cells, p.muxed_cells_bank):
- orig_name = name
- litex_name = None
- domain = None # TODO, get this from the PinSpec. sigh
- padnum = int(padnum)
- start = p.bankstart[bank]
- banknum = padnum - start
- print ("bank", bank, banknum, "padname", name, padnum, x)
- padbank = pads[bank]
- pad = None
- # VSS
- if name.startswith('vss'):
- name = 'p_%s_' % name[:-2] + name[-1]
- if 'i' in name:
- name = 'ground_' + name[-1]
- name2 = 'vss'
- else:
- name = 'ioground_' + name[-1]
- name2 = 'iovss'
- pad = [name, name2]
- # VDD
- elif name.startswith('vdd'):
- if 'i' in name:
- n_intpower += 1
- name = 'power_' + name[-1]
- name2 = 'vdd'
- else:
- n_extpower += 1
- name = 'iopower_' + name[-1]
- name2 = 'iovdd'
- pad = [name, name2]
- # SYS
- elif name.startswith('sys'):
- domain = 'SYS'
- if name == 'sys_pllclk':
- pad = ["p_"+name, name, name]
- elif name == 'sys_rst':
- #name = 'p_sys_rst_1'
- pad = [name, name, name]
- padbank[banknum] = name
- print ("sys_rst add", bank, banknum, name)
- name = None
- elif name == 'sys_pllclk':
- name = None # ignore
- elif name == 'sys_pllvcout':
- name = 'sys_pll_vco_o'
- pad = ['p_' + name, name, name, "A"] # A for Analog
- elif name == 'sys_plltestout':
- name = 'sys_pll_testout_o'
- pad = ['p_' + name, name, name]
- elif name.startswith('sys_pllsel'):
- i = name[-1]
- name2 = 'sys_clksel_i(%s)' % i
- name = 'p_sys_clksel_' + i
- pad = [name, name2, name2]
- #if name:
- # iopads.append([pname, name, name])
- print ("sys pad", name)
- # SPI Card
- elif name.startswith('mspi0') or name.startswith('mspi1'):
- domain = 'MSPI'
- suffix = name[6:]
- if suffix == 'ck':
- suffix = 'clk'
- elif suffix == 'nss':
- suffix = 'cs_n'
- if name.startswith('mspi0'):
- prefix = 'spimaster_'
- else:
- prefix = 'spisdcard_'
- litex_name = name[:6] + suffix
- name = prefix + suffix
- pad = ['p_' + name, name, name]
- # SD/MMC
- elif name.startswith('sd0'):
- domain = 'SD'
- if name.startswith('sd0_d'):
- i = name[5:]
- name = 'sdcard_data' + i
- name2 = 'sdcard_data_%%s(%s)' % i
- pad = ['p_'+name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
- elif name.startswith('sd0_cmd'):
- name = 'sdcard_cmd'
- name2 = 'sdcard_cmd_%s'
- pad = ['p_'+name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
- else:
- name = 'sdcard_' + name[4:]
- pad = ['p_' + name, name, name]
- litex_name = orig_name[:4] + "_".join(name.split("_")[1:])
- # SDRAM
- elif name.startswith('sdr'):
- domain = 'SDR'
- if name == 'sdr_clk':
- name = 'sdram_clock'
- pad = ['p_' + name, name, name]
- elif name.startswith('sdr_ad'):
- i = name[6:]
- name = 'sdram_a_' + i
- name2 = 'sdram_a(%s)' % i
- pad = ['p_' + name, name2, name2]
- elif name.startswith('sdr_ba'):
- i = name[-1]
- name = 'sdram_ba_' + i
- name2 = 'sdram_ba(%s)' % i
- pad = ['p_' + name, name2, name2]
- elif name.startswith('sdr_dqm'):
- i = name[-1]
- name = 'sdram_dm_' + i
- name2 = 'sdram_dm(%s)' % i
- pad = ['p_' + name, name2, name2]
- elif name.startswith('sdr_d'):
- i = name[5:]
- name = 'sdram_dq_' + i
- name2 = 'sdram_dq_%%s(%s)' % i
- pad = ['p_'+name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
- elif name == 'sdr_csn0':
- name = 'sdram_cs_n'
- pad = ['p_' + name, name, name]
- elif name[-1] == 'n':
- name = 'sdram_' + name[4:-1] + '_n'
- pad = ['p_' + name, name, name]
- else:
- name = 'sdram_' + name[4:]
- pad = ['p_' + name, name, name]
- litex_name = orig_name[:4] + "_".join(name.split("_")[1:])
- # UART
- elif name.startswith('uart'):
- domain = 'UART'
- name = 'uart_' + name[6:]
- pad = ['p_' + name, name, name]
- # GPIO
- elif name.startswith('gpio'):
- gbank = name[4]
- domain = 'GPIO'
- i = name[7:]
- name = 'gpio_' + i
- name2 = 'gpio_%%s(%s)' % i
- pad = ['p_' + name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
- print ("GPIO pad", name, pad)
- litex_name = "gpio_%s" % gbank + "_".join(name.split("_")[1:])
- # I2C master-only
- elif name.startswith('mtwi'):
- domain = 'MTWI'
- suffix = name[4:]
- litex_name = 'mtwi' + suffix
- name = 'i2c' + suffix
- if name.startswith('i2c_sda'):
- name2 = 'i2c_sda_%s'
- pad = ['p_'+name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
- print ("I2C pad", name, pad)
- else:
- pad = ['p_' + name, name, name]
- # I2C bi-directional
- elif name.startswith('twi'):
- domain = 'TWI'
- name = 'i2c' + name[3:]
- name2 = name + '_%s'
- pad = ['p_'+name, name, name2 % 'o', name2 % 'i', name2 % 'oe']
- print ("I2C pad", name, pad)
- # EINT
- elif name.startswith('eint'):
- domain = 'EINT'
- i = name[-1]
- name = 'eint_%s' % i
- name2 = 'eint_%s' % i
- pad = ['p_' + name, name2, name2]
- # PWM
- elif name.startswith('pwm'):
- domain = 'PWM'
- name = name[:-4]
- i = name[3:]
- name2 = 'pwm(%s)' % i
- pad = ['p_' + name, name2, name2]
- else:
- pad = ['p_' + name, name, name]
- print ("GPIO pad", name, pad)
-
- if litex_name is None:
- litex_name = name
-
- # JTAG domain
- if name and name.startswith('jtag'):
- domain = 'JTAG'
-
- if name and not name.startswith('p_'):
- if 'power' not in name and 'ground' not in name:
- name = 'p_' + name
- if name is not None:
- padbank[banknum] = name
- # create domains
- if domain is not None:
- if domain not in domains:
- domains[domain] = []
- domains[domain].append(name)
- dl = domain.lower()
- if domain in psp.clocks and orig_name.startswith(dl):
- clk = psp.clocks[domain]
- if clk.lower() in orig_name: # TODO, might over-match
- clocks[domain] = name
- # record remap
- pinmap[orig_name] = name
- litexmap[litex_name] = name
-
- # add pad to iopads
- if domain and pad is not None:
- # append direction from spec/domain. damn awkward processing
- # to find it.
- fn, name = orig_name.split("_")
- if domain == 'PWM':
- name = fn[3:]
- print (psp.byspec)
- spec = None
- for k in psp.byspec.keys():
- if k.startswith(domain):
- spec = psp.byspec[k]
- print ("spec found", domain, spec)
- assert spec is not None
- found = None
- for pname in spec:
- if pname.lower().startswith(name):
- found = pname
- print ("found spec", found)
- assert found is not None
- # whewwww. add the direction onto the pad spec list
- dirn = found[-1]
- if pad[-1] == 'A':
- pad[-1] += dirn
- else:
- pad.append(dirn)
- iopads.append(pad)
- elif pad is not None:
- iopads.append(pad)
-
- # not connected
- nc_idx = 0
- for pl in [pe, pw, pn, ps]:
- for i in range(len(pl)):
- if pl[i] == '':
- name = 'nc_%d' % nc_idx
- name2 = 'nc(%d)' % nc_idx
- pl[i] = name
- pinmap[name] = name
- iopads.append([name, name2, name2, "-"])
- nc_idx += 1
-
- print (p.bankstart)
- pprint(psp.clocks)
-
- print
- print ("N pads", pn)
- print ("S pads", ps)
- print ("E pads", pe)
- print ("W pads", pw)
-
- # do not want these
- del clocks['SYS']
- del domains['SYS']
-
- print ("chip domains (excluding sys-default)")
- pprint(domains)
- print ("chip clocks (excluding sys-default)")
- pprint(clocks)
- print ("pin spec")
- pprint(psp.byspec)
-
- chip = {
- 'pads.south' : ps,
- 'pads.east' : pe,
- 'pads.north' : pn,
- 'pads.west' : pw,
- 'pads.instances' : iopads,
- 'pins.specs' : psp.byspec,
- 'pins.map' : pinmap,
- 'litex.map' : litexmap,
- 'chip.domains' : domains,
- 'chip.clocks' : clocks,
- 'chip.n_intpower': n_intpower,
- 'chip.n_extpower': n_extpower,
- }
-
- return pinmap, chip