From: Robert Jordens <jordens@gmail.com>
Date: Wed, 17 Jul 2013 05:23:40 +0000 (-0600)
Subject: add zedboard platform
X-Git-Tag: 24jan2021_ls180~2099^2~399
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5447eb51ba75dcf6435d984cf51371c830b0588d;p=litex.git

add zedboard platform
---

diff --git a/mibuild/platforms/zedboard.py b/mibuild/platforms/zedboard.py
new file mode 100644
index 00000000..2d99fd0b
--- /dev/null
+++ b/mibuild/platforms/zedboard.py
@@ -0,0 +1,151 @@
+from mibuild.generic_platform import *
+from mibuild.xilinx_ise import XilinxISEPlatform, CRG_SE
+
+# Bank 34 and 35 voltage depend on J18 jumper setting
+_io = [
+		("clk100", 0, Pins("Y9"), IOStandard("LVCMOS33")),
+
+		("user_btn", 0, Pins("P16"), IOStandard("LVCMOS18")), # center
+		("user_btn", 1, Pins("R16"), IOStandard("LVCMOS18")), # down
+		("user_btn", 2, Pins("N15"), IOStandard("LVCMOS18")), # left
+		("user_btn", 3, Pins("R18"), IOStandard("LVCMOS18")), # right
+		("user_btn", 4, Pins("T18"), IOStandard("LVCMOS18")), # up
+
+		("user_sw", 0, Pins("F22"), IOStandard("LVCMOS18")),
+		("user_sw", 1, Pins("G22"), IOStandard("LVCMOS18")),
+		("user_sw", 2, Pins("H22"), IOStandard("LVCMOS18")),
+		("user_sw", 3, Pins("F21"), IOStandard("LVCMOS18")),
+		("user_sw", 4, Pins("H19"), IOStandard("LVCMOS18")),
+		("user_sw", 5, Pins("H18"), IOStandard("LVCMOS18")),
+		("user_sw", 6, Pins("H17"), IOStandard("LVCMOS18")),
+		("user_sw", 7, Pins("M15"), IOStandard("LVCMOS18")),
+
+		("user_led", 0, Pins("T22"), IOStandard("LVCMOS33")),
+		("user_led", 1, Pins("T21"), IOStandard("LVCMOS33")),
+		("user_led", 2, Pins("U22"), IOStandard("LVCMOS33")),
+		("user_led", 3, Pins("U21"), IOStandard("LVCMOS33")),
+		("user_led", 4, Pins("V22"), IOStandard("LVCMOS33")),
+		("user_led", 5, Pins("W22"), IOStandard("LVCMOS33")),
+		("user_led", 6, Pins("U19"), IOStandard("LVCMOS33")),
+		("user_led", 7, Pins("U14"), IOStandard("LVCMOS33")),
+
+		# A
+		("pmod", 0, Pins("Y11 AA11 Y10 AA9 AB11 AB10 AB9 AA8"),
+			IOStandard("LVCMOS33")),
+		# B
+		("pmod", 1, Pins("W12 W11 V10 W8 V12 W10 V9 V8"),
+			IOStandard("LVCMOS33")),
+		# C
+		("pmod", 2,
+			Subsignal("n", Pins("AB6 AA4 T6 U4")),
+			Subsignal("p", Pins("AB7 Y4 R6 T4")),
+			IOStandard("LVCMOS33")),
+		# D
+		("pmod", 3,
+			Subsignal("n", Pins("W7 V4 W5 U5")),
+			Subsignal("p", Pins("V7 V5 W6 U6")),
+			IOStandard("LVCMOS33")),
+
+		("audio", 0,
+			Subsignal("adr", Pins("AB1 Y5")),
+			Subsignal("gpio", Pins("Y8 AA7 AA6 Y6")),
+			Subsignal("mclk", Pins("AB2")),
+			Subsignal("sck", Pins("AB4")),
+			Subsignal("sda", Pins("AB5")),
+			IOStandard("LVCMOS33")),
+
+		("oled", 0,
+			Subsignal("dc", Pins("U10")),
+			Subsignal("res", Pins("U9")),
+			Subsignal("sclk", Pins("AB12")),
+			Subsignal("sdin", Pins("AA12")),
+			Subsignal("vbat", Pins("U11")),
+			Subsignal("vdd", Pins("U12")),
+			IOStandard("LVCMOS33")),
+
+		("hdmi", 0,
+			Subsignal("clk", Pins("W18")),
+			Subsignal("d", Pins(
+				"Y13 AA13 AA14 Y14 AB15 AB16 AA16 AB17 "
+				"AA17 Y15 W13 W15 V15 U17 V14 V13")),
+			Subsignal("de", Pins("U16")),
+			Subsignal("hsync", Pins("V17")),
+			Subsignal("vsync", Pins("W17")),
+			Subsignal("int", Pins("W16")),
+			Subsignal("scl", Pins("AA18")),
+			Subsignal("sda", Pins("Y16")),
+			Subsignal("spdif", Pins("U15")),
+			Subsignal("spdifo", Pins("Y18")),
+			IOStandard("LVCMOS33")),
+
+		("netic16", 0,
+			Subsignal("w20", Pins("W20")),
+			Subsignal("w21", Pins("W21")),
+			IOStandard("LVCMOS33")),
+
+		("vga", 0,
+			Subsignal("r", Pins("V20 U20 V19 V18")),
+			Subsignal("g", Pins("AB22 AA22 AB21 AA21")),
+			Subsignal("b", Pins("Y21 Y20 AB20 AB19")),
+			Subsignal("hsync_n", Pins("AA19")),
+			Subsignal("vsync_n", Pins("Y19")),
+			IOStandard("LVCMOS33")),
+
+		("usb_otg", 0,
+			Subsignal("vbusoc", Pins("L16")),
+			Subsignal("reset_n", Pins("G17")),
+			IOStandard("LVCMOS18")),
+
+		("pudc_b", 0, Pins("K16"), IOStandard("LVCMOS18")),
+
+		("xadc", 0,
+			Subsignal("gio", Pins("H15 R15 K15 J15")),
+			Subsignal("ad0_n", Pins("E16")),
+			Subsignal("ad0_p", Pins("F16")),
+			Subsignal("ad8_n", Pins("D17")),
+			Subsignal("ad8_p", Pins("D16")),
+			IOStandard("LVCMOS18")),
+
+		("fmc_clocks", 0,
+			Subsignal("clk0_n", Pins("L19")),
+			Subsignal("clk0_p", Pins("L18")),
+			Subsignal("clk1_n", Pins("C19")),
+			Subsignal("clk1_p", Pins("D18")),
+			IOStandard("LVCMOS18")),
+
+		("fmc", 0,
+			Subsignal("scl", Pins("R7")),
+			Subsignal("sda", Pins("U7")),
+
+			Subsignal("prsnt", Pins("AB14")),
+
+			# 0, 1, 17, 18 can be clock signals
+			Subsignal("la_n", Pins(
+				"M20 N20 P18 P22 M22 K18 L22 T17 "
+				"J22 R21 T19 N18 P21 M17 K20 J17 "
+				"K21 B20 C20 G16 G21 E20 F19 D15 "
+				"A19 C22 E18 D21 A17 C18 B15 B17 "
+				"A22 B22")),
+			Subsignal("la_p", Pins(
+				"M19 N19 P17 N22 M21 J18 L21 T16 "
+				"J21 R20 R19 N17 P20 L17 K19 J16 "
+				"J20 B19 D20 G15 G20 E19 G19 E15 "
+				"A18 D22 F18 E21 A16 C17 C15 B16 "
+				"A21 B21")),
+			IOStandard("LVCMOS18")),
+]
+
+
+class Platform(XilinxISEPlatform):
+	def __init__(self):
+		XilinxISEPlatform.__init__(self, "xc7z020-clg484-1", _io,
+			lambda p: CRG_SE(p, "clk100", None))
+
+	def do_finalize(self, fragment):
+		try:
+			self.add_platform_command("""
+NET "{clk100}" TNM_NET = "GRPclk100";
+TIMESPEC "TSclk100" = PERIOD "GRPclk100" 10 ns HIGH 50%;
+""", clk100=self.lookup_request("clk100"))
+		except ConstraintError:
+			pass