We assert / de-assert the reset line, but the CPU is too fast and the IP is still in reset when we later try to read user ID / Synopsys ID. Another option would be to add a delay after we reset.
-----Original Message----- From: Jose Abreu <[email protected]> Sent: den 2 oktober 2019 09:52 To: Hans Andersson <[email protected]>; [email protected] Cc: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; Hans Andersson <[email protected]> Subject: RE: [PATCH] net: stmmac: Read user ID muliple times if needed. From: Hans Andersson <[email protected]> Date: Oct/02/2019, 08:07:21 (UTC+00:00) > When we read user ID / Synopsys ID we might still be in reset, so read > muliple times if needed. We shouldn't even try to read it if IP is in reset ... --- Thanks, Jose Miguel Abreu
