From 67382fdb4714151da7b6443bae71dc5dc2936743 Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Wed, 3 Apr 2024 09:14:31 +1100 Subject: [PATCH] gen.py: Export direction signals for controlling an external buffer Some platforms (e.g. Lambda Concepts ECPIX-5) connect to the SD card via a buffer / level shifter, which needs these signals to indicate which way it should drive. Signed-off-by: Paul Mackerras --- litesdcard/gen.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/litesdcard/gen.py b/litesdcard/gen.py index d8f5b7a..d22fa72 100644 --- a/litesdcard/gen.py +++ b/litesdcard/gen.py @@ -49,6 +49,9 @@ Subsignal("cmd", Pins(1)), # Note: Requires Pullup (internal or external). Subsignal("clk", Pins(1)), Subsignal("cd", Pins(1)), + Subsignal("cmd_dir", Pins(1)), + Subsignal("dat0_dir", Pins(1)), + Subsignal("dat13_dir", Pins(1)), ), ]