From 5aaffb7c16d9ce439d94db5e79499f82876e90e7 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Tue, 29 Sep 2020 19:00:25 +0200 Subject: [PATCH] phy/s7ddrphy: remove dqs_i/dqs_i_delayed (no longer used). --- litedram/phy/s7ddrphy.py | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/litedram/phy/s7ddrphy.py b/litedram/phy/s7ddrphy.py index 54b725a..95403de 100644 --- a/litedram/phy/s7ddrphy.py +++ b/litedram/phy/s7ddrphy.py @@ -339,8 +339,6 @@ class S7DDRPHY(Module, AutoCSR): o_DATAOUT = pads.dm[i], ) - dqs_i = Signal(databits//8) - dqs_i_delayed = Signal(databits//8) for i in range(databits//8): dqs_o_no_delay = Signal() dqs_o_delayed = Signal() @@ -387,25 +385,9 @@ class S7DDRPHY(Module, AutoCSR): o_ODATAIN = dqs_o_no_delay, o_DATAOUT = dqs_o_delayed ) - self.specials += [ - Instance("IDELAYE2", - p_DELAY_SRC = "IDATAIN", - p_SIGNAL_PATTERN = "DATA", - p_CINVCTRL_SEL = "FALSE", - p_HIGH_PERFORMANCE_MODE = "TRUE", - p_REFCLK_FREQUENCY = iodelay_clk_freq/1e6, - p_PIPE_SEL = "FALSE", - p_IDELAY_TYPE = "FIXED", - p_IDELAY_VALUE = half_sys8x_taps, - i_LD = self._rst.storage, - i_IDATAIN = dqs_i[i], - o_DATAOUT = dqs_i_delayed[i] - ) - ] self.specials += Instance("IOBUFDS", i_T = dqs_t, i_I = dqs_o_delayed if with_odelay else dqs_o_no_delay, - o_O = dqs_i[i], io_IO = pads.dqs_p[i], io_IOB = pads.dqs_n[i], )