From 0620e75cb8af6de67abee43114a469955ec8fbdf Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Mon, 26 Nov 2012 19:32:56 +0100 Subject: [PATCH] sram: do not use MemoryPort --- milkymist/sram/__init__.py | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/milkymist/sram/__init__.py b/milkymist/sram/__init__.py index f1f74439..7f0cfcb6 100644 --- a/milkymist/sram/__init__.py +++ b/milkymist/sram/__init__.py @@ -7,14 +7,18 @@ class SRAM: self.depth = depth def get_fragment(self): + # memory + mem = Memory(32, self.depth) + port = mem.get_port(write_capable=True, we_granularity=8) # generate write enable signal - we = Signal(BV(4)) - comb = [we[i].eq(self.bus.cyc & self.bus.stb & self.bus.we & self.bus.sel[i]) + comb = [port.we[i].eq(self.bus.cyc & self.bus.stb & self.bus.we & self.bus.sel[i]) for i in range(4)] - # split address - nbits = bits_for(self.depth-1) - partial_adr = Signal(BV(nbits)) - comb.append(partial_adr.eq(self.bus.adr[:nbits])) + # address and data + comb += [ + port.adr.eq(self.bus.adr[:len(port.adr)]), + port.dat_w.eq(self.bus.dat_w), + self.bus.dat_r.eq(port.dat_r) + ] # generate ack sync = [ self.bus.ack.eq(0), @@ -22,6 +26,4 @@ class SRAM: self.bus.ack.eq(1) ) ] - # memory - port = MemoryPort(partial_adr, self.bus.dat_r, we, self.bus.dat_w, we_granularity=8) - return Fragment(comb, sync, memories=[Memory(32, self.depth, port)]) + return Fragment(comb, sync, memories=[mem]) -- 2.30.2