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sipeed_tang_primer_20k: Add buttons and prepare RGB Led.

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Synthesis issue with WS2812/GowinEDA for now.
This commit is contained in:
Florent Kermarrec 2022-08-04 16:32:21 +02:00
parent 09b0c975f3
commit f2cb211432
2 changed files with 57 additions and 23 deletions
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25
litex_boards/platforms/sipeed_tang_primer_20k.py
View file

@ -111,14 +111,24 @@ _connectors = [
_dock_io = [
# Leds
("user_led", 0, Pins( "CARD1:44"), IOStandard("LVCMOS18")),
("user_led", 1, Pins( "CARD1:46"), IOStandard("LVCMOS18")),
("user_led", 3, Pins( "CARD1:40"), IOStandard("LVCMOS18")),
("user_led", 2, Pins( "CARD1:42"), IOStandard("LVCMOS18")),
("user_led", 4, Pins( "CARD1:98"), IOStandard("LVCMOS18")),
("user_led", 5, Pins("CARD1:136"), IOStandard("LVCMOS18")),
("led", 0, Pins( "CARD1:44"), IOStandard("LVCMOS18")),
("led", 1, Pins( "CARD1:46"), IOStandard("LVCMOS18")),
("led", 3, Pins( "CARD1:40"), IOStandard("LVCMOS18")),
("led", 2, Pins( "CARD1:42"), IOStandard("LVCMOS18")),
("led", 4, Pins( "CARD1:98"), IOStandard("LVCMOS18")),
("led", 5, Pins("CARD1:136"), IOStandard("LVCMOS18")),
# HDMI
# RGB Led.
("rgb_led", 0, Pins("CARD1:45"), IOStandard("LVCMOS18")),
# Buttons.
("btn_n", 0, Pins( "CARD1:15"), IOStandard("LVCMOS18")),
("btn_n", 1, Pins("CARD1:165"), IOStandard("LVCMOS15")),
("btn_n", 2, Pins("CARD1:163"), IOStandard("LVCMOS15")),
("btn_n", 3, Pins("CARD1:159"), IOStandard("LVCMOS15")),
("btn_n", 4, Pins("CARD1:157"), IOStandard("LVCMOS15")),
# HDMI.
("hdmi", 0,
Subsignal("clk_p", Pins("CARD1:132")),
Subsignal("clk_n", Pins("CARD1:130")),
@ -167,6 +177,7 @@ class Platform(GowinPlatform):
self.toolchain.options["use_sspi_as_gpio"] = 1
self.toolchain.options["use_ready_as_gpio"] = 1
self.toolchain.options["use_done_as_gpio"] = 1
self.toolchain.options["rw_check_on_ram"] = 1
def create_programmer(self, kit="openfpgaloader"):
return OpenFPGALoader(cable="ft2232")

55
litex_boards/targets/sipeed_tang_primer_20k.py
View file

@ -4,6 +4,7 @@
# This file is part of LiteX-Boards.
#
# Copyright (c) 2022 Icenowy Zheng <icenowy@aosc.io>
# Copyright (c) 2022 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
from migen import *
@ -13,7 +14,8 @@ from litex.soc.cores.clock.gowin_gw2a import GW2APLL
from litex.soc.integration.soc_core import *
from litex.soc.integration.soc import SoCRegion
from litex.soc.integration.builder import *
from litex.soc.cores.led import LedChaser
from litex.soc.cores.led import LedChaser, WS2812
from litex.soc.cores.gpio import GPIOIn
from litex.soc.cores.video import *
from liteeth.phy.rmii import LiteEthPHYRMII
@ -67,7 +69,11 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(48e6), with_spi_flash=False, with_led_chaser=True,
def __init__(self, sys_clk_freq=int(48e6),
with_spi_flash = False,
with_led_chaser = True,
with_rgb_led = False,
with_buttons = True,
with_video_terminal = False,
with_ethernet = False,
with_etherbone = False,
@ -88,20 +94,6 @@ class BaseSoC(SoCCore):
from litespi.opcodes import SpiNorFlashOpCodes as Codes
self.add_spi_flash(mode="1x", module=SpiFlashModule(Codes.READ_1_1_1))
# Video ------------------------------------------------------------------------------------
if with_video_terminal:
# FIXME: Un-tested.
self.submodules.videophy = VideoHDMIPHY(platform.request("hdmi"), clock_domain="hdmi", pn_swap=["r", "g", "b"])
self.add_video_colorbars(phy=self.videophy, timings="640x480@60Hz", clock_domain="hdmi")
#self.add_video_terminal(phy=self.videophy, timings="640x480@75Hz", clock_domain="hdmi")
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
self.submodules.leds = LedChaser(
pads = platform.request_all("user_led"),
sys_clk_freq = sys_clk_freq
)
# Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet or with_etherbone:
# FIXME: Un-tested.
@ -116,6 +108,37 @@ class BaseSoC(SoCCore):
if with_etherbone:
self.add_etherbone(phy=self.ethphy, ip_address=eth_ip, with_timing_constraints=False)
# Video ------------------------------------------------------------------------------------
if with_video_terminal:
# FIXME: Un-tested.
self.submodules.videophy = VideoHDMIPHY(platform.request("hdmi"), clock_domain="hdmi", pn_swap=["r", "g", "b"])
self.add_video_colorbars(phy=self.videophy, timings="640x480@60Hz", clock_domain="hdmi")
#self.add_video_terminal(phy=self.videophy, timings="640x480@75Hz", clock_domain="hdmi")
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
self.submodules.leds = LedChaser(
pads = platform.request_all("led"),
sys_clk_freq = sys_clk_freq
)
# RGB Led ----------------------------------------------------------------------------------
if with_rgb_led:
self.submodules.rgb_led = WS2812(
pad = platform.request("rgb_led"),
nleds = 1,
sys_clk_freq = sys_clk_freq
)
self.bus.add_slave(name="rgb_led", slave=self.rgb_led.bus, region=SoCRegion(
origin = 0x2000_0000,
size = 4,
))
# Buttons ----------------------------------------------------------------------------------
if with_buttons:
self.submodules.buttons = GPIOIn(pads=~platform.request_all("btn_n"))
# Build --------------------------------------------------------------------------------------------
def main():