def __init__(self,
device="85F",
sys_clk_freq=int(75e6),
with_ethernet=False,
with_etherbone=False,
**kwargs):
platform = ecpix5.Platform(device=device, toolchain="trellis")
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self,
platform,
sys_clk_freq,
ident="LiteX SoC on ECPIX-5",
ident_version=True,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
self.comb += self.crg.reset.eq(self.ddrphy.init.reset)
self.add_sdram("sdram",
phy=self.ddrphy,
module=MT41K256M16(sys_clk_freq, "1:2"),
origin=self.mem_map["main_ram"],
size=kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size=kwargs.get("l2_size", 8192),
l2_cache_min_data_width=kwargs.get(
"min_l2_data_width", 128),
l2_cache_reverse=True)
# Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet or with_etherbone:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"),
rx_delay=0e-9)
if with_ethernet:
self.add_ethernet(phy=self.ethphy)
if with_etherbone:
self.add_etherbone(phy=self.ethphy)
# Leds -------------------------------------------------------------------------------------
leds_pads = []
for i in range(4):
rgb_led_pads = platform.request("rgb_led", i)
self.comb += [getattr(rgb_led_pads, n).eq(1)
for n in "gb"] # Disable Green/Blue Leds.
leds_pads += [getattr(rgb_led_pads, n) for n in "r"]
self.submodules.leds = LedChaser(pads=Cat(leds_pads),
sys_clk_freq=sys_clk_freq)
def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, **kwargs):
platform = ecpix5.Platform(toolchain="trellis")
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self,
platform,
sys_clk_freq,
ident="LiteX SoC on ECPIX-5",
ident_version=True,
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy")
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
self.comb += self.crg.reset.eq(self.ddrphy.init.reset)
self.add_sdram("sdram",
phy=self.ddrphy,
module=MT41K256M16(sys_clk_freq, "1:2"),
origin=self.mem_map["main_ram"],
size=kwargs.get("max_sdram_size", 0x40000000),
l2_cache_size=kwargs.get("l2_size", 8192),
l2_cache_min_data_width=kwargs.get(
"min_l2_data_width", 128),
l2_cache_reverse=True)
# Ethernet ---------------------------------------------------------------------------------
if with_ethernet:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"),
rx_delay=0e-9)
self.add_csr("ethphy")
self.add_ethernet(phy=self.ethphy)
# Leds (Disable...) ------------------------------------------------------------------------
for i in range(4):
rgb_led_pads = platform.request("rgb_led", i)
for c in "rgb":
self.comb += getattr(rgb_led_pads, c).eq(1)
def __init__(self,
device="85F",
sys_clk_freq=int(75e6),
with_ethernet=False,
with_etherbone=False,
with_video_terminal=False,
with_video_framebuffer=False,
with_led_chaser=True,
**kwargs):
platform = ecpix5.Platform(device=device, toolchain="trellis")
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self,
platform,
sys_clk_freq,
ident="LiteX SoC on ECPIX-5",
**kwargs)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# DDR3 SDRAM -------------------------------------------------------------------------------
if not self.integrated_main_ram_size:
self.submodules.ddrphy = ECP5DDRPHY(platform.request("ddram"),
sys_clk_freq=sys_clk_freq)
self.comb += self.crg.stop.eq(self.ddrphy.init.stop)
self.comb += self.crg.reset.eq(self.ddrphy.init.reset)
self.add_sdram("sdram",
phy=self.ddrphy,
module=MT41K256M16(sys_clk_freq, "1:2"),
l2_cache_size=kwargs.get("l2_size", 8192))
# Ethernet / Etherbone ---------------------------------------------------------------------
if with_ethernet or with_etherbone:
self.submodules.ethphy = LiteEthPHYRGMII(
clock_pads=self.platform.request("eth_clocks"),
pads=self.platform.request("eth"),
rx_delay=0e-9)
if with_ethernet:
self.add_ethernet(phy=self.ethphy)
if with_etherbone:
self.add_etherbone(phy=self.ethphy)
# HDMI -------------------------------------------------------------------------------------
if with_video_terminal or with_video_framebuffer:
# PHY + IT6613 I2C initialization.
hdmi_pads = platform.request("hdmi")
self.submodules.videophy = VideoDVIPHY(hdmi_pads,
clock_domain="init")
self.submodules.videoi2c = I2CMaster(hdmi_pads)
# I2C initialization adapted from https://github.com/ultraembedded/ecpix-5
# Copyright (c) 2020 https://github.com/ultraembedded
# Adapted from C to Python.
REG_TX_SW_RST = 0x04
B_ENTEST = (1 << 7)
B_REF_RST = (1 << 5)
B_AREF_RST = (1 << 4)
B_VID_RST = (1 << 3)
B_AUD_RST = (1 << 2)
B_HDMI_RST = (1 << 1)
B_HDCP_RST = (1 << 0)
REG_TX_AFE_DRV_CTRL = 0x61
B_AFE_DRV_PWD = (1 << 5)
B_AFE_DRV_RST = (1 << 4)
B_AFE_DRV_PDRXDET = (1 << 2)
B_AFE_DRV_TERMON = (1 << 1)
B_AFE_DRV_ENCAL = (1 << 0)
REG_TX_AFE_XP_CTRL = 0x62
B_AFE_XP_GAINBIT = (1 << 7)
B_AFE_XP_PWDPLL = (1 << 6)
B_AFE_XP_ENI = (1 << 5)
B_AFE_XP_ER0 = (1 << 4)
B_AFE_XP_RESETB = (1 << 3)
B_AFE_XP_PWDI = (1 << 2)
B_AFE_XP_DEI = (1 << 1)
B_AFE_XP_DER = (1 << 0)
REG_TX_AFE_ISW_CTRL = 0x63
B_AFE_RTERM_SEL = (1 << 7)
B_AFE_IP_BYPASS = (1 << 6)
M_AFE_DRV_ISW = (7 << 3)
O_AFE_DRV_ISW = 3
B_AFE_DRV_ISWK = 7
REG_TX_AFE_IP_CTRL = 0x64
B_AFE_IP_GAINBIT = (1 << 7)
B_AFE_IP_PWDPLL = (1 << 6)
M_AFE_IP_CKSEL = (3 << 4)
O_AFE_IP_CKSEL = 4
B_AFE_IP_ER0 = (1 << 3)
B_AFE_IP_RESETB = (1 << 2)
B_AFE_IP_ENC = (1 << 1)
B_AFE_IP_EC1 = (1 << 0)
REG_TX_HDMI_MODE = 0xC0
B_TX_HDMI_MODE = 1
B_TX_DVI_MODE = 0
REG_TX_GCP = 0xC1
B_CLR_AVMUTE = 0
B_SET_AVMUTE = 1
B_TX_SETAVMUTE = (1 << 0)
B_BLUE_SCR_MUTE = (1 << 1)
B_NODEF_PHASE = (1 << 2)
B_PHASE_RESYNC = (1 << 3)
self.videoi2c.add_init(
addr=0x4c,
init=[
# Reset.
(REG_TX_SW_RST, B_REF_RST | B_VID_RST | B_AUD_RST
| B_AREF_RST | B_HDCP_RST),
(REG_TX_SW_RST, 0),
# Select DVI Mode.
(REG_TX_HDMI_MODE, B_TX_DVI_MODE),
# Configure Clks.
(REG_TX_SW_RST, B_AUD_RST | B_AREF_RST | B_HDCP_RST),
(REG_TX_AFE_DRV_CTRL, B_AFE_DRV_RST),
(REG_TX_AFE_XP_CTRL, 0x18),
(REG_TX_AFE_ISW_CTRL, 0x10),
(REG_TX_AFE_IP_CTRL, 0x0C),
# Enable Clks.
(REG_TX_AFE_DRV_CTRL, 0),
# Enable Video.
(REG_TX_GCP, 0),
])
# Video Terminal/Framebuffer.
if with_video_terminal:
self.add_video_terminal(phy=self.videophy,
timings="640x480@75Hz",
clock_domain="init")
if with_video_framebuffer:
self.add_video_framebuffer(phy=self.videophy,
timings="640x480@75Hz",
clock_domain="init")
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
leds_pads = []
for i in range(4):
rgb_led_pads = platform.request("rgb_led", i)
self.comb += [getattr(rgb_led_pads, n).eq(1)
for n in "gb"] # Disable Green/Blue Leds.
leds_pads += [getattr(rgb_led_pads, n) for n in "r"]
self.submodules.leds = LedChaser(pads=Cat(leds_pads),
sys_clk_freq=sys_clk_freq)
