From 0ddf31787e2242b3040a775cf7d5f9113e669b16 Mon Sep 17 00:00:00 2001 From: whitequark Date: Sun, 4 Aug 2019 11:08:45 +0000 Subject: [breaking-change] Factor out "sram" resource. Fixes #9. --- nmigen_boards/dev/sram.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 nmigen_boards/dev/sram.py (limited to 'nmigen_boards/dev/sram.py') diff --git a/nmigen_boards/dev/sram.py b/nmigen_boards/dev/sram.py new file mode 100644 index 0000000..4e2cd91 --- /dev/null +++ b/nmigen_boards/dev/sram.py @@ -0,0 +1,18 @@ +from nmigen.build import * + + +__all__ = ["SRAMResource"] + + +def SRAMResource(*args, cs, oe, we, a, d, dm=None, attrs=None): + io = [] + io.append(Subsignal("cs", PinsN(cs, dir="o"))) + io.append(Subsignal("oe", PinsN(oe, dir="o"))) + io.append(Subsignal("we", PinsN(we, dir="o"))) + io.append(Subsignal("a", Pins(a, dir="o"))) + io.append(Subsignal("d", Pins(d, dir="io"))) + if dm is not None: + io.append(Subsignal("dm", PinsN(dm, dir="o"))) # dm="LB# UB#" + if attrs is not None: + io.append(attrs) + return Resource.family(*args, default_name="sram", ios=io) -- cgit v1.2.3