Hardware
/
litex-boards
mirror of https://github.com/litex-hub/litex-boards.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

stlv7325: make VCCIO configurable

This commit is contained in:
Hans Baier 2023-04-07 09:27:03 +07:00
parent 566a753dd3
commit 2f13decc49
2 changed files with 261 additions and 255 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

511
litex_boards/platforms/sitlinv_stlv7325.py
View File

@ -13,273 +13,276 @@ from litex.build.openocd import OpenOCD
# IOs ----------------------------------------------------------------------------------------------
_io = [
# Clk / Rst
("cpu_reset_n", 0, Pins("AC16"), IOStandard("LVCMOS15")),
def _get_io(voltage="2.5V"):
assert voltage in ["2.5V", "3.3V"]
VCCIO = str(25 if voltage == "2.5V" else 33)
_io = [
# Clk / Rst
("cpu_reset_n", 0, Pins("AC16"), IOStandard("LVCMOS15")),
("clk100", 0, Pins("F17"), IOStandard("LVCMOS25")),
("clk200", 0,
Subsignal("p", Pins("AB11"), IOStandard("DIFF_SSTL15")),
Subsignal("n", Pins("AC11"), IOStandard("DIFF_SSTL15"))
),
("clk156", 0, # TODO verify / test (in docs)
Subsignal("p", Pins("D6"), IOStandard("LVDS")),
Subsignal("n", Pins("D5"), IOStandard("LVDS")),
),
("clk150", 0, # TODO verify / test (in docs)
Subsignal("p", Pins("F6"), IOStandard("LVDS")),
Subsignal("n", Pins("F5"), IOStandard("LVDS")),
),
("clk100", 0, Pins("F17"), IOStandard("LVCMOS" + VCCIO)),
("clk200", 0,
Subsignal("p", Pins("AB11"), IOStandard("DIFF_SSTL15")),
Subsignal("n", Pins("AC11"), IOStandard("DIFF_SSTL15"))
),
("clk156", 0, # TODO verify / test (in docs)
Subsignal("p", Pins("D6"), IOStandard("LVDS")),
Subsignal("n", Pins("D5"), IOStandard("LVDS")),
),
("clk150", 0, # TODO verify / test (in docs)
Subsignal("p", Pins("F6"), IOStandard("LVDS")),
Subsignal("n", Pins("F5"), IOStandard("LVDS")),
),
# Leds
("user_led_n", 0, Pins("AA2"), IOStandard("LVCMOS15")),
("user_led_n", 1, Pins("AD5"), IOStandard("LVCMOS15")),
("user_led_n", 2, Pins("W10"), IOStandard("LVCMOS15")),
("user_led_n", 3, Pins("Y10"), IOStandard("LVCMOS15")),
("user_led_n", 4, Pins("AE10"), IOStandard("LVCMOS15")),
("user_led_n", 5, Pins("W11"), IOStandard("LVCMOS15")),
("user_led_n", 6, Pins("V11"), IOStandard("LVCMOS15")),
("user_led_n", 7, Pins("Y12"), IOStandard("LVCMOS15")),
# Leds
("user_led_n", 0, Pins("AA2"), IOStandard("LVCMOS15")),
("user_led_n", 1, Pins("AD5"), IOStandard("LVCMOS15")),
("user_led_n", 2, Pins("W10"), IOStandard("LVCMOS15")),
("user_led_n", 3, Pins("Y10"), IOStandard("LVCMOS15")),
("user_led_n", 4, Pins("AE10"), IOStandard("LVCMOS15")),
("user_led_n", 5, Pins("W11"), IOStandard("LVCMOS15")),
("user_led_n", 6, Pins("V11"), IOStandard("LVCMOS15")),
("user_led_n", 7, Pins("Y12"), IOStandard("LVCMOS15")),
# Buttons
("user_btn_n", 0, Pins("AC16"), IOStandard("LVCMOS15")),
("user_btn_n", 0, Pins("C24"), IOStandard("LVCMOS33")), # J4 jumper 2.5V or 3.3V
# Buttons
("user_btn_n", 0, Pins("AC16"), IOStandard("LVCMOS15")),
("user_btn_n", 0, Pins("C24"), IOStandard("LVCMOS33")), # J4 jumper 2.5V or 3.3V
# I2C / AT24C04
("i2c", 0,
Subsignal("scl", Pins("U19")),
Subsignal("sda", Pins("U20")),
IOStandard("LVCMOS25")
),
# I2C / AT24C04
("i2c", 0,
Subsignal("scl", Pins("U19")),
Subsignal("sda", Pins("U20")),
IOStandard("LVCMOS" + VCCIO)
),
# Serial
("serial", 0,
Subsignal("tx", Pins("M25")), # CH340_TX
Subsignal("rx", Pins("L25")), # CH340_RX
IOStandard("LVCMOS25")
),
# Serial
("serial", 0,
Subsignal("tx", Pins("M25")), # CH340_TX
Subsignal("rx", Pins("L25")), # CH340_RX
IOStandard("LVCMOS" + VCCIO)
),
# DDR3 SDRAM
("ddram", 0,
Subsignal("a", Pins(
"AB7 AD11 AA8 AF10 AC7 AE11 AC8 AD8",
"AC13 AF12 AF9 AD10 AE13 AF7 AB12 AC12"),
IOStandard("SSTL15")),
Subsignal("ba", Pins("AE8 AA7 AF13"), IOStandard("SSTL15")),
Subsignal("ras_n", Pins("Y7"), IOStandard("SSTL15")),
Subsignal("cas_n", Pins("AE7"), IOStandard("SSTL15")),
Subsignal("we_n", Pins("AF8"), IOStandard("SSTL15")),
Subsignal("cs_n", Pins("AA13"), IOStandard("SSTL15")),
Subsignal("dm", Pins(
"AD16 AB16 AB19 V17 U1 AA3 AD6 AE1"),
IOStandard("SSTL15")),
Subsignal("dq", Pins(
"AF17 AE17 AF15 AF14 AE15 AD15 AF20 AF19",
"AA15 AA14 AC14 AD14 AB14 AB15 AA18 AA17",
"AC18 AD18 AC17 AB17 AA20 AA19 AD19 AC19",
" W14 V14 V19 V18 V16 W15 W16 Y17",
" V4 U6 U5 U2 V3 W3 U7 V6",
" Y3 Y2 V2 V1 W1 Y1 AB2 AC2",
" AA4 AB4 AC4 AC3 AC6 AB6 Y6 Y5",
" AD4 AD1 AF2 AE2 AE6 AE5 AF3 AE3"),
IOStandard("SSTL15_T_DCI")),
Subsignal("dqs_p", Pins("AE18 Y15 AD20 W18 W6 AB1 AA5 AF5"),
IOStandard("DIFF_SSTL15_T_DCI")),
Subsignal("dqs_n", Pins("AF18 Y16 AE20 W19 W5 AC1 AB5 AF4"),
IOStandard("DIFF_SSTL15_T_DCI")),
Subsignal("clk_p", Pins("AC9"),
IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")),
Subsignal("clk_n", Pins("AD9"),
IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")),
Subsignal("cke", Pins("AB9"), IOStandard("SSTL15")),
Subsignal("odt", Pins("AA12"), IOStandard("SSTL15")),
Subsignal("reset_n", Pins("AB20"), IOStandard("LVCMOS15")),
Misc("SLEW=FAST"),
Misc("VCCAUX_IO=NORMAL")
),
# 2 Rank Signals:
# Subsignal("cs_n", Pins("AD13"), IOStandard("SSTL15")),
# Subsignal("clk_p", Pins("AA10"), IOStandard("DIFF_SSTL15")),
# Subsignal("clk_n", Pins("AB10"), IOStandard("DIFF_SSTL15")),
# Subsignal("cke", Pins("AA9"), IOStandard("SSTL15")),
# Subsignal("odt", Pins("Y13"), IOStandard("SSTL15")),
# DDR3 SDRAM
("ddram", 0,
Subsignal("a", Pins(
"AB7 AD11 AA8 AF10 AC7 AE11 AC8 AD8",
"AC13 AF12 AF9 AD10 AE13 AF7 AB12 AC12"),
IOStandard("SSTL15")),
Subsignal("ba", Pins("AE8 AA7 AF13"), IOStandard("SSTL15")),
Subsignal("ras_n", Pins("Y7"), IOStandard("SSTL15")),
Subsignal("cas_n", Pins("AE7"), IOStandard("SSTL15")),
Subsignal("we_n", Pins("AF8"), IOStandard("SSTL15")),
Subsignal("cs_n", Pins("AA13"), IOStandard("SSTL15")),
Subsignal("dm", Pins(
"AD16 AB16 AB19 V17 U1 AA3 AD6 AE1"),
IOStandard("SSTL15")),
Subsignal("dq", Pins(
"AF17 AE17 AF15 AF14 AE15 AD15 AF20 AF19",
"AA15 AA14 AC14 AD14 AB14 AB15 AA18 AA17",
"AC18 AD18 AC17 AB17 AA20 AA19 AD19 AC19",
" W14 V14 V19 V18 V16 W15 W16 Y17",
" V4 U6 U5 U2 V3 W3 U7 V6",
" Y3 Y2 V2 V1 W1 Y1 AB2 AC2",
" AA4 AB4 AC4 AC3 AC6 AB6 Y6 Y5",
" AD4 AD1 AF2 AE2 AE6 AE5 AF3 AE3"),
IOStandard("SSTL15_T_DCI")),
Subsignal("dqs_p", Pins("AE18 Y15 AD20 W18 W6 AB1 AA5 AF5"),
IOStandard("DIFF_SSTL15_T_DCI")),
Subsignal("dqs_n", Pins("AF18 Y16 AE20 W19 W5 AC1 AB5 AF4"),
IOStandard("DIFF_SSTL15_T_DCI")),
Subsignal("clk_p", Pins("AC9"),
IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")),
Subsignal("clk_n", Pins("AD9"),
IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")),
Subsignal("cke", Pins("AB9"), IOStandard("SSTL15")),
Subsignal("odt", Pins("AA12"), IOStandard("SSTL15")),
Subsignal("reset_n", Pins("AB20"), IOStandard("LVCMOS15")),
Misc("SLEW=FAST"),
Misc("VCCAUX_IO=NORMAL")
),
# 2 Rank Signals:
# Subsignal("cs_n", Pins("AD13"), IOStandard("SSTL15")),
# Subsignal("clk_p", Pins("AA10"), IOStandard("DIFF_SSTL15")),
# Subsignal("clk_n", Pins("AB10"), IOStandard("DIFF_SSTL15")),
# Subsignal("cke", Pins("AA9"), IOStandard("SSTL15")),
# Subsignal("odt", Pins("Y13"), IOStandard("SSTL15")),
## TODO verify / test
# # SPIFlash
# ("spiflash", 0,
# Subsignal("cs_n", Pins("C23")),
# Subsignal("clk", Pins("C8")),
# Subsignal("dq", Pins("B24 A25 B22 A22")),
# IOStandard("LVCMOS25")
# ),
## TODO verify / test
# # SPIFlash
# ("spiflash", 0,
# Subsignal("cs_n", Pins("C23")),
# Subsignal("clk", Pins("C8")),
# Subsignal("dq", Pins("B24 A25 B22 A22")),
# IOStandard("LVCMOS25")
# ),
# Sata
("sata", 0,
Subsignal("rx_p", Pins("R4")),
Subsignal("rx_n", Pins("R3")),
Subsignal("tx_p", Pins("P2")),
Subsignal("tx_n", Pins("P1")),
IOStandard("LVCMOS33"),
),
("sata", 1,
Subsignal("rx_p", Pins("N4")),
Subsignal("rx_n", Pins("N3")),
Subsignal("tx_p", Pins("M2")),
Subsignal("tx_n", Pins("M1")),
IOStandard("LVCMOS33"),
),
# Sata
("sata", 0,
Subsignal("rx_p", Pins("R4")),
Subsignal("rx_n", Pins("R3")),
Subsignal("tx_p", Pins("P2")),
Subsignal("tx_n", Pins("P1")),
),
("sata", 1,
Subsignal("rx_p", Pins("N4")),
Subsignal("rx_n", Pins("N3")),
Subsignal("tx_p", Pins("M2")),
Subsignal("tx_n", Pins("M1")),
),
# SDCard
("spisdcard", 0,
Subsignal("clk", Pins("N21")),
Subsignal("cs_n", Pins("P19")),
Subsignal("mosi", Pins("U21"), Misc("PULLUP True")),
Subsignal("miso", Pins("N16"), Misc("PULLUP True")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS25")
),
("sdcard", 0,
Subsignal("clk", Pins("N21")),
Subsignal("cmd", Pins("U21"), Misc("PULLUP True")),
Subsignal("data", Pins("N16 U16 N22 P19"), Misc("PULLUP True")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS25")
),
# SDCard
("spisdcard", 0,
Subsignal("clk", Pins("N21")),
Subsignal("cs_n", Pins("P19")),
Subsignal("mosi", Pins("U21"), Misc("PULLUP True")),
Subsignal("miso", Pins("N16"), Misc("PULLUP True")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS" + VCCIO)
),
("sdcard", 0,
Subsignal("clk", Pins("N21")),
Subsignal("cmd", Pins("U21"), Misc("PULLUP True")),
Subsignal("data", Pins("N16 U16 N22 P19"), Misc("PULLUP True")),
Misc("SLEW=FAST"),
IOStandard("LVCMOS" + VCCIO)
),
# GMII Ethernet
("eth_clocks", 0,
Subsignal("tx", Pins("E12"), IOStandard("LVCMOS25")),
Subsignal("gtx", Pins("F13"), IOStandard("LVCMOS25")),
Subsignal("rx", Pins("C12"), IOStandard("LVCMOS25"))
),
("eth_clocks", 1,
Subsignal("tx", Pins("C9"), IOStandard("LVCMOS25")),
Subsignal("gtx", Pins("D8"), IOStandard("LVCMOS25")),
Subsignal("rx", Pins("E10"), IOStandard("LVCMOS25"))
),
("eth", 0,
Subsignal("rst_n", Pins("D11")),
# Subsignal("int_n", Pins("")),
Subsignal("mdio", Pins("K15")),
Subsignal("mdc", Pins("M16")),
Subsignal("rx_dv", Pins("G14")),
Subsignal("rx_er", Pins("F14")),
Subsignal("rx_data", Pins("H14 J14 J13 H13 B15 A15 B14 A14")),
Subsignal("tx_en", Pins("F12")),
Subsignal("tx_er", Pins("E13")),
Subsignal("tx_data", Pins("G12 E11 G11 C14 D14 C13 C11 D13")),
IOStandard("LVCMOS25")
),
("eth", 1,
Subsignal("rst_n", Pins("J8")),
# Subsignal("int_n", Pins("")),
Subsignal("mdio", Pins("G9")),
Subsignal("mdc", Pins("H8")),
Subsignal("rx_dv", Pins("A12")),
Subsignal("rx_er", Pins("D10")),
Subsignal("rx_data", Pins("A13 B12 B11 A10 B10 A9 B9 A8")),
Subsignal("tx_en", Pins("F8")),
Subsignal("tx_er", Pins("D9")),
Subsignal("tx_data", Pins("H11 J11 H9 J10 H12 F10 G10 F9")),
IOStandard("LVCMOS25")
),
# GMII Ethernet
("eth_clocks", 0,
Subsignal("tx", Pins("E12"), IOStandard("LVCMOS25")),
Subsignal("gtx", Pins("F13"), IOStandard("LVCMOS25")),
Subsignal("rx", Pins("C12"), IOStandard("LVCMOS25"))
),
("eth_clocks", 1,
Subsignal("tx", Pins("C9"), IOStandard("LVCMOS25")),
Subsignal("gtx", Pins("D8"), IOStandard("LVCMOS25")),
Subsignal("rx", Pins("E10"), IOStandard("LVCMOS25"))
),
("eth", 0,
Subsignal("rst_n", Pins("D11")),
# Subsignal("int_n", Pins("")),
Subsignal("mdio", Pins("K15")),
Subsignal("mdc", Pins("M16")),
Subsignal("rx_dv", Pins("G14")),
Subsignal("rx_er", Pins("F14")),
Subsignal("rx_data", Pins("H14 J14 J13 H13 B15 A15 B14 A14")),
Subsignal("tx_en", Pins("F12")),
Subsignal("tx_er", Pins("E13")),
Subsignal("tx_data", Pins("G12 E11 G11 C14 D14 C13 C11 D13")),
IOStandard("LVCMOS25")
),
("eth", 1,
Subsignal("rst_n", Pins("J8")),
# Subsignal("int_n", Pins("")),
Subsignal("mdio", Pins("G9")),
Subsignal("mdc", Pins("H8")),
Subsignal("rx_dv", Pins("A12")),
Subsignal("rx_er", Pins("D10")),
Subsignal("rx_data", Pins("A13 B12 B11 A10 B10 A9 B9 A8")),
Subsignal("tx_en", Pins("F8")),
Subsignal("tx_er", Pins("D9")),
Subsignal("tx_data", Pins("H11 J11 H9 J10 H12 F10 G10 F9")),
IOStandard("LVCMOS25")
),
# HDMI out
("hdmi_out", 0,
Subsignal("clk_p", Pins("R21"), IOStandard("TMDS_33")),
Subsignal("clk_n", Pins("P21"), IOStandard("TMDS_33")),
Subsignal("data0_p", Pins("N18"), IOStandard("TMDS_33")),
Subsignal("data0_n", Pins("M19"), IOStandard("TMDS_33")),
Subsignal("data1_p", Pins("M21"), IOStandard("TMDS_33")),
Subsignal("data1_n", Pins("M22"), IOStandard("TMDS_33")),
Subsignal("data2_p", Pins("K25"), IOStandard("TMDS_33")),
Subsignal("data2_n", Pins("K26"), IOStandard("TMDS_33")),
Subsignal("scl", Pins("K21"), IOStandard("LVCMOS33")),
Subsignal("sda", Pins("L23"), IOStandard("LVCMOS33")),
Subsignal("hdp", Pins("N26"), IOStandard("LVCMOS33")),
Subsignal("cec", Pins("M26"), IOStandard("LVCMOS33")),
),
# HDMI out
("hdmi_out", 0,
Subsignal("clk_p", Pins("R21"), IOStandard("TMDS_" + VCCIO)),
Subsignal("clk_n", Pins("P21"), IOStandard("TMDS_" + VCCIO)),
Subsignal("data0_p", Pins("N18"), IOStandard("TMDS_" + VCCIO)),
Subsignal("data0_n", Pins("M19"), IOStandard("TMDS_" + VCCIO)),
Subsignal("data1_p", Pins("M21"), IOStandard("TMDS_" + VCCIO)),
Subsignal("data1_n", Pins("M22"), IOStandard("TMDS_" + VCCIO)),
Subsignal("data2_p", Pins("K25"), IOStandard("TMDS_" + VCCIO)),
Subsignal("data2_n", Pins("K26"), IOStandard("TMDS_" + VCCIO)),
Subsignal("scl", Pins("K21"), IOStandard("LVCMOS" + VCCIO)),
Subsignal("sda", Pins("L23"), IOStandard("LVCMOS" + VCCIO)),
Subsignal("hdp", Pins("N26"), IOStandard("LVCMOS" + VCCIO)),
Subsignal("cec", Pins("M26"), IOStandard("LVCMOS" + VCCIO)),
),
# PCIe
("pcie_x1", 0,
Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")),
Subsignal("clk_p", Pins("H6")),
Subsignal("clk_n", Pins("H5")),
Subsignal("rx_p", Pins("B6")),
Subsignal("rx_n", Pins("B5")),
Subsignal("tx_p", Pins("A4")),
Subsignal("tx_n", Pins("A3"))
),
("pcie_x2", 0,
Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")),
Subsignal("clk_p", Pins("H6")),
Subsignal("clk_n", Pins("H5")),
Subsignal("rx_p", Pins("B6 C4")),
Subsignal("rx_n", Pins("B5 C3")),
Subsignal("tx_p", Pins("A4 B2")),
Subsignal("tx_n", Pins("A3 B1"))
),
("pcie_x4", 0,
Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")),
Subsignal("clk_p", Pins("H6")),
Subsignal("clk_n", Pins("H5")),
Subsignal("rx_p", Pins("B6 C4 E4 G4")),
Subsignal("rx_n", Pins("B5 C3 E3 G3")),
Subsignal("tx_p", Pins("A4 B2 D2 F2")),
Subsignal("tx_n", Pins("A3 B1 D1 F1"))
),
# PCIe
("pcie_x1", 0,
Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")),
Subsignal("clk_p", Pins("H6")),
Subsignal("clk_n", Pins("H5")),
Subsignal("rx_p", Pins("B6")),
Subsignal("rx_n", Pins("B5")),
Subsignal("tx_p", Pins("A4")),
Subsignal("tx_n", Pins("A3"))
),
("pcie_x2", 0,
Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")),
Subsignal("clk_p", Pins("H6")),
Subsignal("clk_n", Pins("H5")),
Subsignal("rx_p", Pins("B6 C4")),
Subsignal("rx_n", Pins("B5 C3")),
Subsignal("tx_p", Pins("A4 B2")),
Subsignal("tx_n", Pins("A3 B1"))
),
("pcie_x4", 0,
Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")),
Subsignal("clk_p", Pins("H6")),
Subsignal("clk_n", Pins("H5")),
Subsignal("rx_p", Pins("B6 C4 E4 G4")),
Subsignal("rx_n", Pins("B5 C3 E3 G3")),
Subsignal("tx_p", Pins("A4 B2 D2 F2")),
Subsignal("tx_n", Pins("A3 B1 D1 F1"))
),
# TODO find / test
# # SGMII Clk
# ("sgmii_clock", 0,
# Subsignal("p", Pins("")),
# Subsignal("n", Pins(""))
# ),
# TODO find / test
# # SGMII Clk
# ("sgmii_clock", 0,
# Subsignal("p", Pins("")),
# Subsignal("n", Pins(""))
# ),
# SFP
("sfp_a", 0, # SFP A
Subsignal("txp", Pins("H2")),
Subsignal("txn", Pins("H1")),
Subsignal("rxp", Pins("J4")),
Subsignal("rxn", Pins("J3")),
Subsignal("sda", Pins("B21")),
Subsignal("scl", Pins("C21")),
),
("sfp_a_tx", 0, # SFP A
Subsignal("p", Pins("H2")),
Subsignal("n", Pins("H1"))
),
("sfp_a_rx", 0, # SFP A
Subsignal("p", Pins("J4")),
Subsignal("n", Pins("J3"))
),
("sfp_b", 0, # SFP B
Subsignal("txp", Pins("K2")),
Subsignal("txn", Pins("K1")),
Subsignal("rxp", Pins("L4")),
Subsignal("rxn", Pins("L3")),
Subsignal("sda", Pins("D21")),
Subsignal("scl", Pins("C22")),
),
("sfp_b_tx", 0, # SFP B
Subsignal("p", Pins("K2")),
Subsignal("n", Pins("K1"))
),
("sfp_b_rx", 0, # SFP B
Subsignal("p", Pins("L4")),
Subsignal("n", Pins("L3"))
),
# SFP
("sfp_a", 0, # SFP A
Subsignal("txp", Pins("H2")),
Subsignal("txn", Pins("H1")),
Subsignal("rxp", Pins("J4")),
Subsignal("rxn", Pins("J3")),
Subsignal("sda", Pins("B21")),
Subsignal("scl", Pins("C21")),
),
("sfp_a_tx", 0, # SFP A
Subsignal("p", Pins("H2")),
Subsignal("n", Pins("H1"))
),
("sfp_a_rx", 0, # SFP A
Subsignal("p", Pins("J4")),
Subsignal("n", Pins("J3"))
),
("sfp_b", 0, # SFP B
Subsignal("txp", Pins("K2")),
Subsignal("txn", Pins("K1")),
Subsignal("rxp", Pins("L4")),
Subsignal("rxn", Pins("L3")),
Subsignal("sda", Pins("D21")),
Subsignal("scl", Pins("C22")),
),
("sfp_b_tx", 0, # SFP B
Subsignal("p", Pins("K2")),
Subsignal("n", Pins("K1"))
),
("sfp_b_rx", 0, # SFP B
Subsignal("p", Pins("L4")),
Subsignal("n", Pins("L3"))
),
# SI5338 (optional part per seller?)
("si5338_i2c", 0,
Subsignal("sck", Pins("U19"), IOStandard("LVCMOS25")),
Subsignal("sda", Pins("U20"), IOStandard("LVCMOS25"))
),
("si5338_clkin", 0, # CLK2A/B
Subsignal("p", Pins("K6"), IOStandard("LVDS_25")),
Subsignal("n", Pins("K5"), IOStandard("LVDS_25"))
),
]
# SI5338 (optional part per seller?)
("si5338_i2c", 0,
Subsignal("sck", Pins("U19"), IOStandard("LVCMOS" + VCCIO)),
Subsignal("sda", Pins("U20"), IOStandard("LVCMOS" + VCCIO))
),
("si5338_clkin", 0, # CLK2A/B
Subsignal("p", Pins("K6"), IOStandard("LVDS_25")),
Subsignal("n", Pins("K5"), IOStandard("LVDS_25"))
),
]
return _io
# Connectors ---------------------------------------------------------------------------------------
@ -463,8 +466,8 @@ class Platform(Xilinx7SeriesPlatform):
default_clk_name = "clk200"
default_clk_period = 1e9/200e6
def __init__(self):
Xilinx7SeriesPlatform.__init__(self, "xc7k325t-ffg676-2", _io, _connectors, toolchain="vivado")
def __init__(self, vccio="2.5V"):
Xilinx7SeriesPlatform.__init__(self, "xc7k325t-ffg676-2", _get_io(vccio), _connectors, toolchain="vivado")
self.add_platform_command("""
set_property CFGBVS VCCO [current_design]
set_property CONFIG_VOLTAGE 2.5 [current_design]

5
litex_boards/targets/sitlinv_stlv7325.py
View File

@ -71,6 +71,7 @@ class _CRG(LiteXModule):
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=100e6,
vccio = "2.5V",
with_ethernet = False,
with_etherbone = False,
local_ip = "192.168.1.50",
@ -84,7 +85,7 @@ class BaseSoC(SoCCore):
with_video_framebuffer = False,
with_video_terminal = False,
**kwargs):
platform = sitlinv_stlv7325.Platform()
platform = sitlinv_stlv7325.Platform(vccio)
# CRG --------------------------------------------------------------------------------------
self.crg = _CRG(platform, sys_clk_freq)
@ -189,6 +190,7 @@ def main():
from litex.build.parser import LiteXArgumentParser
parser = LiteXArgumentParser(platform=sitlinv_stlv7325.Platform, description="LiteX SoC on AliExpress STLV7325.")
parser.add_target_argument("--sys-clk-freq", default=100e6, type=float, help="System clock frequency.")
parser.add_target_argument("--vccio", default="2.5V", type=str, help="IO Voltage (set by J4), can be 2.5V or 3.3V")
ethopts = parser.target_group.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.")
@ -212,6 +214,7 @@ def main():
soc = BaseSoC(
sys_clk_freq = args.sys_clk_freq,
vccio = args.vccio,
with_ethernet = args.with_ethernet,
with_etherbone = args.with_etherbone,
local_ip = args.local_ip,