Reorganize resource taxonomy.

The current hierarchy isn't particularly well suited to resources
like SDRAM or NOR flash, so make it much less fine-grained but easier
to use and less nitpicky.

2 files changed, 0 insertions, 94 deletions

diff --git a/nmigen_boards/ext/__init__.py b/nmigen_boards/ext/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/nmigen_boards/ext/__init__.py
+++ /dev/null
diff --git a/nmigen_boards/ext/pmod.py b/nmigen_boards/ext/pmod.py
deleted file mode 100644
index 331352c..0000000
--- a/nmigen_boards/ext/pmod.py
+++ /dev/null
@@ -1,94 +0,0 @@
-# Reference: https://www.digilentinc.com/Pmods/Digilent-Pmod_%20Interface_Specification.pdf
-
-from nmigen.build import *
-
-
-__all__ = [
-    "PmodGPIOType1Resource",
-    "PmodSPIType2Resource",
-    "PmodSPIType2AResource",
-    "PmodUARTType3Resource",
-    "PmodUARTType4Resource",
-    "PmodUARTType4AResource",
-    "PmodHBridgeType5Resource",
-    "PmodDualHBridgeType6Resource",
-]
-
-
-def PmodGPIOType1Resource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Pins("1 2 3 4", dir="io", conn=("pmod", pmod)),
-        extras=extras
-    )
-
-
-def PmodSPIType2Resource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("cs_n",  Pins("1", dir="o", conn=("pmod", pmod))),
-        Subsignal("clk",   Pins("2", dir="o", conn=("pmod", pmod))),
-        Subsignal("mosi",  Pins("3", dir="o", conn=("pmod", pmod))),
-        Subsignal("miso",  Pins("4", dir="i", conn=("pmod", pmod))),
-        extras=extras
-    )
-
-
-def PmodSPIType2AResource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("cs_n",  Pins("1", dir="o", conn=("pmod", pmod))),
-        Subsignal("clk",   Pins("2", dir="o", conn=("pmod", pmod))),
-        Subsignal("mosi",  Pins("3", dir="o", conn=("pmod", pmod))),
-        Subsignal("miso",  Pins("4", dir="i", conn=("pmod", pmod))),
-        Subsignal("int",   Pins("7", dir="i", conn=("pmod", pmod))),
-        Subsignal("reset", Pins("8", dir="o", conn=("pmod", pmod))),
-        extras=extras
-        )
-
-
-def PmodUARTType3Resource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("cts",   Pins("1", dir="o", conn=("pmod", pmod))),
-        Subsignal("rts",   Pins("2", dir="i", conn=("pmod", pmod))),
-        Subsignal("rx",    Pins("3", dir="i", conn=("pmod", pmod))),
-        Subsignal("tx",    Pins("4", dir="o", conn=("pmod", pmod))),
-        extras=extras
-    )
-
-
-def PmodUARTType4Resource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("cts",   Pins("1", dir="i", conn=("pmod", pmod))),
-        Subsignal("tx",    Pins("2", dir="o", conn=("pmod", pmod))),
-        Subsignal("rx",    Pins("3", dir="i", conn=("pmod", pmod))),
-        Subsignal("rts",   Pins("4", dir="o", conn=("pmod", pmod))),
-        extras=extras
-    )
-
-
-def PmodUARTType4AResource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("cts",   Pins("1", dir="i", conn=("pmod", pmod))),
-        Subsignal("tx",    Pins("2", dir="o", conn=("pmod", pmod))),
-        Subsignal("rx",    Pins("3", dir="i", conn=("pmod", pmod))),
-        Subsignal("rts",   Pins("4", dir="o", conn=("pmod", pmod))),
-        Subsignal("int",   Pins("7", dir="i", conn=("pmod", pmod))),
-        Subsignal("reset", Pins("8", dir="o", conn=("pmod", pmod))),
-        extras=extras
-    )
-
-
-def PmodHBridgeType5Resource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("dir",   Pins("1", dir="o", conn=("pmod", pmod))),
-        Subsignal("en",    Pins("2", dir="o", conn=("pmod", pmod))),
-        Subsignal("sa",    Pins("3", dir="i", conn=("pmod", pmod))),
-        Subsignal("sb",    Pins("4", dir="i", conn=("pmod", pmod))),
-        extras=extras
-    )
-
-
-def PmodDualHBridgeType6Resource(name, number, *, pmod, extras=None):
-    return Resource(name, number,
-        Subsignal("dir",   Pins("1 3", dir="o", conn=("pmod", pmod))),
-        Subsignal("en",    Pins("2 4", dir="o", conn=("pmod", pmod))),
-        extras=extras
-    )