From 416bdb64831f32225ecf8780d59a4d69be21667e Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Thu, 8 Nov 2018 18:24:12 +0100 Subject: [PATCH] boards/platforms: add avalanche polarfire board ios definition --- litex/boards/platforms/avalanche.py | 78 +++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 litex/boards/platforms/avalanche.py diff --git a/litex/boards/platforms/avalanche.py b/litex/boards/platforms/avalanche.py new file mode 100644 index 00000000..4da58a24 --- /dev/null +++ b/litex/boards/platforms/avalanche.py @@ -0,0 +1,78 @@ +from litex.build.generic_platform import * + +_io = [ + ("clk50", 0, Pins("R1"), IOStandard("LVCMOS25")), + ("clk50", 1, Pins("J3"), IOStandard("LVCMOS25")), + + ("rst", 0, Pins("F5"), IOStandard("LVCMOS33")), + + ("user_led", 0, Pins("D6"), IOStandard("LVCMOS33")), + ("user_led", 1, Pins("D7"), IOStandard("LVCMOS33")), + ("user_led", 2, Pins("D8"), IOStandard("LVCMOS33")), + ("user_led", 3, Pins("D9"), IOStandard("LVCMOS33")), + + ("user_btn", 0, Pins("E13"), IOStandard("LVCMOS33")), + ("user_btn", 1, Pins("E14"), IOStandard("LVCMOS33")), + + ("serial", 0, + Subsignal("tx", Pins("F16")), + Subsignal("rx", Pins("F17")), + IOStandard("LVCMOS33") + ), + + ("spiflash4x", 0, + Subsignal("clk", Pins("J1")), + Subsignal("cs_n", Pins("H1")), + Subsignal("dq", Pins("F2 F1 M7 M8")), + IOStandard("LVCMOS25") + ), + ("spiflash", 0, + Subsignal("clk", Pins("J1")), + Subsignal("cs_n", Pins("H1")), + Subsignal("mosi", Pins("F2")), + Subsignal("miso", Pins("F1")), + Subsignal("wp", Pins("M7")), + Subsignal("hold", Pins("M8")), + IOStandard("LVCMOS25"), + ), + + # FIXME: add IO constraints + ("ddram", 0, + Subsignal("a", Pins( + "U5 U4 V4 W3 V5 W4 Y3 AA3", + "Y4 Y5 AA2 AB2 V6 W6 AB3")), + Subsignal("ba", Pins("V7 Y6 U7")), + Subsignal("ras_n", Pins("AA6")), + Subsignal("cas_n", Pins("AA5")), + Subsignal("we_n", Pins("AB5")), + Subsignal("cs_n", Pins("W7")), + Subsignal("dm", Pins("Y9 R15")), + Subsignal("dq", Pins( + "T7 T8 U8 U9 R10 V9 V10 D7", + "V14 U14 R12 T11 U15 T13 U13 T15")), + Subsignal("dqs_p", Pins("T10 R13")), + Subsignal("dqs_n", Pins("U10 T12")), + Subsignal("clk_p", Pins("V2")), + Subsignal("clk_n", Pins("W2")), + Subsignal("cke", Pins("W8")), + Subsignal("odt", Pins("AA7")), + Subsignal("reset_n", Pins("AB7")), + ), + + ("eth_clocks", 0, + Subsignal("tx", Pins("J8")), + Subsignal("rx", Pins("K3")), + IOStandard("LVCMOS25") + ), + ("eth", 0, + Subsignal("rst_n", Pins("L8"), IOStandard("LVCMOS33")), + Subsignal("int_n", Pins("J4")), + Subsignal("mdio", Pins("H2")), + Subsignal("mdc", Pins("J2")), + Subsignal("rx_ctl", Pins("K5")), + Subsignal("rx_data", Pins("J9 K1 K6 K4")), + Subsignal("tx_ctl", Pins("L5")), + Subsignal("tx_data", Pins("K8 L1 L2 L3")), + IOStandard("LVCMOS25") + ), +] -- 2.30.2