From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpcmd11117.aruba.it (smtpcmd11117.aruba.it [62.149.156.117]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 12493173 for ; Fri, 18 Jun 2021 22:06:17 +0000 (UTC) Received: from [192.168.126.129] ([146.241.205.41]) by Aruba Outgoing Smtp with ESMTPSA id uMZzl77TrWIZBuMZzlvayE; Sat, 19 Jun 2021 00:03:11 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1624053791; bh=xB6DWzvEwIl4DTGQMuR2n7m4AJcwwoBW40nnZbYZYSw=; h=To:From:Subject:Date:MIME-Version:Content-Type; b=MIUeIL48Twar6YKFhXQbB9Q0Fi/Pi5OxUGVx8SBClVoEzInYE+ng46PFBJ+wR0QPu 4UFkrTHckO/V2jtxnzVlsy0bg5TP13ll9PCqDiDNwFJ9JSBOcGwGYAFPeDdURVsG4u eKggYJBeyNcqn5inb/jEgr4lo+JQv3tDRF4+LayWm1uT3J1wyyYIas+gCHTU9D+Wh+ 0KAqNdATRRYZhI5eV/sb9/gUZY0HcBrR7rsDgKVpzB2jktmdgDxsPNqDSO9OGAY3yA D7mDQ0qxUGrojVGhNWZp3sndGUjNF3XGDgvag9KUa823SPomeIOn9FrOJtCA5/2TjS +uYoRxjQS51JA== To: linux-sunxi@lists.linux.dev From: Giulio Benetti Subject: S-JTAG on A33 Message-ID: Date: Sat, 19 Jun 2021 00:03:11 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfGUgym5j+88yBP3sBlKs5Nt5IYGY5yPeNdtPGxwh0u9SGbY88h4SLUGpVwfnDiW5ZMCN8X9O+sz+5Kg9fkapct0H2PadA0sp9MrN3kSXQKnPhHpUoZEH c/T0hgkjK99x4Uxiq1Zgq22E9dbiFr4+dccOULNmwoY8u5L4yDGKR8vblN2v0CQ7lu5dkZD9Cfa/OvVo4S+HSb58VLcSVCIiBzo= Hello All, have anyone accessed A33 jtag through s-jtag(PL4-PL7) port? In u-boot present in sd-card on SDC0 I've configured those pins as jtag mux(both tried 2 and 3 as values), but while Trace32 answers on jtag(PF port) here it doesn't answer. I've double-checked with md.l under u-boot and the values are correct, it seems something is missing. So I've tried looking for PRCM if it has a jtag gate/reset but I haven't found it except the ones for R_PIO etc. I also have a doubt that s-jtag is dedicated to AR100 co-processor, maybe? Kind regards -- Giulio Benetti Benetti Engineering sas