From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 29 Oct 2018 10:46:03 +0000 (+0100)
Subject: boards/targets/versaecp55g: use new iowrapper support, basic led blink and ios working :)
X-Git-Tag: 24jan2021_ls180~1546
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4eb314a25212e02ad13ed35f0a44c420648f1fff;p=litex.git

boards/targets/versaecp55g: use new iowrapper support, basic led blink and ios working :)
---

diff --git a/litex/boards/targets/versaecp55g_prjtrellis.py b/litex/boards/targets/versaecp55g_prjtrellis.py
index fd972ed1..47c2a585 100755
--- a/litex/boards/targets/versaecp55g_prjtrellis.py
+++ b/litex/boards/targets/versaecp55g_prjtrellis.py
@@ -11,44 +11,16 @@ class BaseSoC(Module):
     def __init__(self, platform):
         self.clock_domains.cd_sys = ClockDomain()
 
-        sys_clk_pads = platform.request("clk100")
-        btn_pads = platform.request("user_dip_btn")
-        led0_pads = platform.request("user_led", 0)
-        led1_pads = platform.request("user_led", 1)
-
-        # FIXME: no constraint file for now with prjtrellis
-        platform.lookup_request("clk100").attr.add(("LOC", "P3"))
-        platform.lookup_request("clk100").attr.add(("IO_TYPE", "LVDS"))
-        platform.lookup_request("user_dip_btn").attr.add(("LOC", "H2"))
-        platform.lookup_request("user_dip_btn").attr.add(("IO_TYPE", "LVCMOS15"))
-        platform.lookup_request("user_led", 0).attr.add(("LOC", "E16"))
-        platform.lookup_request("user_led", 0).attr.add(("IO_TYPE", "LVCMOS25"))
-        platform.lookup_request("user_led", 1).attr.add(("LOC", "D17"))
-        platform.lookup_request("user_led", 1).attr.add(("IO_TYPE", "LVCMOS25"))
-
-        # FIXME: add TRELLIS_IO instance on all inputs/outputs
-        sys_clk_pads_i = Signal()
-        btn_pads_i = Signal()
-        led0_pads_i = Signal()
-        led1_pads_i = Signal()
-        self.specials += [
-            Instance("TRELLIS_IO", p_DIR="INPUT", io_B=sys_clk_pads, o_O=sys_clk_pads_i),
-            Instance("TRELLIS_IO", p_DIR="INPUT", io_B=btn_pads, o_O=btn_pads_i),
-            Instance("TRELLIS_IO", p_DIR="OUTPUT", io_B=led0_pads, i_I=led0_pads_i),
-            Instance("TRELLIS_IO", p_DIR="OUTPUT", io_B=led1_pads, i_I=led1_pads_i),
-        ]
-
         # crg
-        self.comb += self.cd_sys.clk.eq(sys_clk_pads_i)
+        self.comb += self.cd_sys.clk.eq(platform.request("clk100"))
 
         # led0 (blink)
         counter = Signal(32)
         self.sync += counter.eq(counter + 1)
-        self.comb += led0_pads_i.eq(counter[26])
+        self.comb += platform.request("user_led", 0).eq(counter[26])
 
         # led1 (btn)
-        self.comb += led1_pads_i.eq(btn_pads_i)
-
+        self.comb += platform.request("user_led", 1).eq(platform.request("user_dip_btn", 0))
 
 def main():
     platform = versaecp55g.Platform(toolchain="prjtrellis")