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qmtech ep4ce15: Add daughterboard support, add spiflash

This commit is contained in:
Hans Baier 2021-05-15 13:16:29 +07:00
parent c010b9a335
commit f01e0c02c9
2 changed files with 174 additions and 39 deletions
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129
litex_boards/platforms/qmtech_ep4ce15.py
View File

@ -2,6 +2,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2020 Basel Sayeh <Basel.Sayeh@hotmail.com>
# Copyright (c) 2021 Hans Baier <hansfbaier@gmail.com>
# SPDX-License-Identifier: BSD-2-Clause
from litex.build.generic_platform import *
@ -14,9 +15,6 @@ _io = [
# Clk
("clk50", 0, Pins("T2"), IOStandard("3.3-V LVTTL")),
# Leds
("user_led", 0, Pins("E4"), IOStandard("3.3-V LVTTL")),
# Button
("key", 0, Pins("Y13"), IOStandard("3.3-V LVTTL")),
("key", 1, Pins("W13"), IOStandard("3.3-V LVTTL")),
@ -24,8 +22,18 @@ _io = [
# Serial
("serial", 0,
# Compatible with cheap FT232 based cables (ex: Gaoominy 6Pin Ftdi Ft232Rl Ft232)
Subsignal("tx", Pins("AA13"), IOStandard("3.3-V LVTTL")), # GPIO_07 (JP1 Pin 10)
Subsignal("rx", Pins("AA14"), IOStandard("3.3-V LVTTL")) # GPIO_05 (JP1 Pin 8)
Subsignal("tx", Pins("J3:7"), IOStandard("3.3-V LVTTL")), # GPIO_07 (JP1 Pin 10)
Subsignal("rx", Pins("J3:8"), IOStandard("3.3-V LVTTL")) # GPIO_05 (JP1 Pin 8)
),
# SPIFlash (W25Q64)
("spiflash", 0,
# clk
Subsignal("cs_n", Pins("E2")),
Subsignal("clk", Pins("K2")),
Subsignal("mosi", Pins("D1")),
Subsignal("miso", Pins("E2")),
IOStandard("3.3-V LVTTL"),
),
# SDR SDRAM
@ -46,30 +54,74 @@ _io = [
Subsignal("dm", Pins("AA5 W7")),
IOStandard("3.3-V LVTTL")
),
]
# GPIOs
#ignore for now
#("gpio_0", 0, Pins(
# "D3 C3 A2 A3 B3 B4 A4 B5",
# "A5 D5 B6 A6 B7 D6 A7 C6",
# "C8 E6 E7 D8 E8 F8 F9 E9",
# "C9 D9 E11 E10 C11 B11 A12 D11",
# "D12 B12"),
# IOStandard("3.3-V LVTTL")
#),
#("gpio_1", 0, Pins(
# "F13 T15 T14 T13 R13 T12 R12 T11",
# "T10 R11 P11 R10 N12 P9 N9 N11",
# "L16 K16 R16 L15 P15 P16 R14 N16",
# "N15 P14 L14 N14 M10 L13 J16 K15",
# "J13 J14"),
# IOStandard("3.3-V LVTTL")
#),
#("gpio_2", 0, Pins(
# "A14 B16 C14 C16 C15 D16 D15 D14",
# "F15 F16 F14 G16 G15"),
# IOStandard("3.3-V LVTTL")
#),
# The connectors are named after the daughterboard, not the core board
# because on the different core boards the names vary, but on the
# daughterboard they stay the same, which we need to connect the
# daughterboard peripherals to the core board.
# On this board J2 is U7 and J3 is U8
_connectors = [
("J2", {
# odd row even row
7: "R1", 8: "R2",
9: "P1", 10: "P2",
11: "N1", 12: "N2",
13: "M1", 14: "M2",
15: "J1", 16: "J2",
17: "H1", 18: "H2",
19: "F1", 20: "F2",
21: "E1", 22: "D2",
23: "C1", 24: "C2",
25: "B1", 26: "B2",
27: "B3", 28: "A3",
29: "B4", 30: "A4",
31: "C4", 32: "C3",
33: "B5", 34: "A5",
35: "B6", 36: "A6",
37: "B7", 38: "A7",
39: "B8", 40: "A8",
41: "B9", 42: "A9",
43: "B10", 44: "A10",
45: "B13", 46: "A13",
47: "B14", 48: "A14",
49: "B15", 50: "A15",
51: "B16", 52: "A16",
53: "B17", 54: "A17",
55: "B18", 56: "A18",
57: "B19", 58: "A19",
59: "B20", 60: "A20",
}),
("J3", {
# odd row even row
7: "AA13", 8: "AB13",
9: "AA14", 10: "AB14",
11: "AA15", 12: "AB15",
13: "AA16", 14: "AB16",
15: "AA17", 16: "AB17",
17: "AA18", 18: "AB18",
19: "AA19", 20: "AB19",
21: "AA20", 22: "AB20",
23: "Y22", 24: "Y21",
25: "W22", 26: "W21",
27: "V22", 28: "V21",
29: "U22", 30: "U21",
31: "R22", 32: "R21",
33: "P22", 34: "P21",
35: "N22", 36: "N21",
37: "M22", 38: "M21",
39: "L22", 40: "L21",
41: "K22", 42: "K21",
43: "J22", 44: "J21",
45: "H22", 46: "H21",
47: "F22", 48: "F21",
49: "E22", 50: "E21",
51: "D22", 52: "D21",
53: "C22", 54: "C21",
55: "B22", 56: "B21",
57: "N20", 58: "N19",
59: "M20", 60: "M19",
})
]
# Platform -----------------------------------------------------------------------------------------
@ -77,9 +129,26 @@ _io = [
class Platform(AlteraPlatform):
default_clk_name = "clk50"
default_clk_period = 1e9/50e6
core_resources = [ ("user_led", 0, Pins("E4"), IOStandard("3.3-V LVTTL")) ]
def __init__(self):
AlteraPlatform.__init__(self, "EP4CE15F23C8", _io)
def __init__(self, with_daughterboard=False):
device = "EP4CE15F23C8"
io = _io
connectors = _connectors
if with_daughterboard:
from litex_boards.platforms.qmtech_daughterboard import QMTechDaughterboard
daughterboard = QMTechDaughterboard(IOStandard("3.3-V LVTTL"))
io += daughterboard.io
connectors += daughterboard.connectors
else:
io += self.core_resources
AlteraPlatform.__init__(self, device, io, connectors)
if with_daughterboard:
# an ethernet pin takes K22, so make it available
self.add_platform_command("set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION \"USE AS REGULAR IO\"")
def create_programmer(self):
return USBBlaster()

80
litex_boards/targets/qmtech_ep4ce15.py
View File

@ -24,10 +24,13 @@ from litex.soc.cores.led import LedChaser
from litedram.modules import IS42S16160
from litedram.phy import GENSDRPHY, HalfRateGENSDRPHY
from litex.soc.cores.video import VideoVGAPHY
from liteeth.phy.mii import LiteEthPHYMII
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
def __init__(self, platform, sys_clk_freq, sdram_rate="1:1"):
def __init__(self, platform, sys_clk_freq, with_ethernet, with_vga, sdram_rate="1:1"):
self.rst = Signal()
self.clock_domains.cd_sys = ClockDomain()
if sdram_rate == "1:2":
@ -36,6 +39,11 @@ class _CRG(Module):
else:
self.clock_domains.cd_sys_ps = ClockDomain(reset_less=True)
if with_ethernet:
self.clock_domains.cd_eth = ClockDomain()
if with_vga:
self.clock_domains.cd_vga = ClockDomain(reset_less=True)
# # #
# Clk / Rst
@ -48,10 +56,16 @@ class _CRG(Module):
pll.create_clkout(self.cd_sys, sys_clk_freq)
if sdram_rate == "1:2":
pll.create_clkout(self.cd_sys2x, 2*sys_clk_freq)
pll.create_clkout(self.cd_sys2x_ps, 2*sys_clk_freq, phase=180) # Idealy 90° but needs to be increased.
# theoretically 90 degrees, but increase to relax timing
pll.create_clkout(self.cd_sys2x_ps, 2*sys_clk_freq, phase=180)
else:
pll.create_clkout(self.cd_sys_ps, sys_clk_freq, phase=90)
if with_ethernet:
pll.create_clkout(self.cd_eth, 25e6)
if with_vga:
pll.create_clkout(self.cd_vga, 40e6)
# SDRAM clock
sdram_clk = ClockSignal("sys2x_ps" if sdram_rate == "1:2" else "sys_ps")
self.specials += DDROutput(1, 0, platform.request("sdram_clock"), sdram_clk)
@ -59,17 +73,23 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(50e6), sdram_rate="1:1", **kwargs):
platform = qmtech_ep4ce15.Platform()
def __init__(self, sys_clk_freq=int(50e6), with_daughterboard=False,
with_ethernet=False, with_etherbone=False, eth_ip="192.168.1.50", eth_dynamic_ip=False,
with_video_terminal=False, with_video_framebuffer=False,
ident_version=True, sdram_rate="1:1", **kwargs):
platform = qmtech_ep4ce15.Platform(with_daughterboard=with_daughterboard)
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq,
ident = "LiteX SoC on QMTECH EP4CE15",
ident_version = True,
ident = "LiteX SoC on QMTECH EP4CE15" + (" + Daughterboard" if with_daughterboard else ""),
ident_version = ident_version,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq, sdram_rate=sdram_rate)
self.submodules.crg = _CRG(platform,
sys_clk_freq, with_ethernet or with_etherbone,
with_video_terminal or with_video_framebuffer,
sdram_rate=sdram_rate)
# SDR SDRAM --------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
@ -81,6 +101,24 @@ class BaseSoC(SoCCore):
l2_cache_size = kwargs.get("l2_size", 8192)
)
# Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet or with_etherbone:
self.submodules.ethphy = LiteEthPHYMII(
clock_pads = self.platform.request("eth_clocks"),
pads = self.platform.request("eth"))
if with_ethernet:
self.add_ethernet(phy=self.ethphy, dynamic_ip=eth_dynamic_ip)
if with_etherbone:
self.add_etherbone(phy=self.ethphy, ip_address=eth_ip)
# Video ------------------------------------------------------------------------------------
if with_video_terminal or with_video_framebuffer:
self.submodules.videophy = VideoVGAPHY(platform.request("vga"), clock_domain="vga")
if with_video_terminal:
self.add_video_terminal(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga")
if with_video_framebuffer:
self.add_video_framebuffer(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga")
# Leds -------------------------------------------------------------------------------------
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
@ -94,15 +132,43 @@ def main():
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--sys-clk-freq", default=50e6, help="System clock frequency (default: 50MHz)")
parser.add_argument("--sdram-rate", default="1:1", help="SDRAM Rate: 1:1 Full Rate (default) or 1:2 Half Rate")
parser.add_argument("--with-daughterboard", action="store_true", help="Whether the core board is plugged into the QMTech daughterboard")
ethopts = parser.add_mutually_exclusive_group()
ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support")
parser.add_argument("--eth-ip", default="192.168.1.50", type=str, help="Ethernet/Etherbone IP address")
parser.add_argument("--eth-dynamic-ip", action="store_true", help="Enable dynamic Ethernet IP addresses setting")
sdopts = parser.add_mutually_exclusive_group()
sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support")
sdopts.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support")
parser.add_argument("--no-ident-version", action="store_false", help="Disable build time output")
viopts = parser.add_mutually_exclusive_group()
viopts.add_argument("--with-video-terminal", action="store_true", help="Enable Video Terminal (VGA)")
viopts.add_argument("--with-video-framebuffer", action="store_true", help="Enable Video Framebuffer (VGA)")
builder_args(parser)
soc_core_args(parser)
args = parser.parse_args()
soc = BaseSoC(
sys_clk_freq = int(float(args.sys_clk_freq)),
with_daughterboard = args.with_daughterboard,
with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
eth_ip = args.eth_ip,
eth_dynamic_ip = args.eth_dynamic_ip,
ident_version = args.no_ident_version,
with_video_terminal = args.with_video_terminal,
with_video_framebuffer = args.with_video_framebuffer,
sdram_rate = args.sdram_rate,
**soc_core_argdict(args)
)
if args.with_spi_sdcard:
soc.add_spi_sdcard()
if args.with_sdcard:
soc.add_sdcard()
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)