From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 05 Jan 2026 11:45:40 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vci5k-001UV2-2s for lore@lore.pengutronix.de; Mon, 05 Jan 2026 11:45:40 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vci5j-0000cW-Vd for lore@pengutronix.de; Mon, 05 Jan 2026 11:45:40 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=GgRe2DHjxs9LJkP5CmMHWYdS5H68HoPLo93FhO/VxP8=; b=zEs8KD+/nea3BWwH1gsIJxbPGv IwzToh5q2wtludcqFZ9HoMI5uclgZWwyX+cI44cjnFtSxnRsEq0ddO4EahZTGvgQ3ArHCO1U1GTpU rCPQBvHD/JitEQvoSpMNajvineeDkLdyns1VL7Sz8d+zD0oEjpxlR+oPeB/5L46UvfLeNnle3perE 90cCoXFR+Eomwof64/hwyzY4kL5wVIpF4p8i3reMn8zTsEAUtTuBfyXcmPDzqDqfN+cY0Uv1bf0EA E/+N34J1oLhdKDwIlGyT8AfLPbyWByqVif3IpO2/FuEYWBqJVmv+woJxmKS7Q8Q1Q0U4nU3QUpBhm 7chEhgsg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vci5N-0000000B8Pt-0nsO; Mon, 05 Jan 2026 10:45:17 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vci5J-0000000B8NG-0xr9 for barebox@lists.infradead.org; Mon, 05 Jan 2026 10:45:15 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vci59-0000O1-RK; Mon, 05 Jan 2026 11:45:03 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vci59-0099TU-20; Mon, 05 Jan 2026 11:45:03 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vci59-00000007IHq-2HOr; Mon, 05 Jan 2026 11:45:03 +0100 From: Sascha Hauer Date: Mon, 05 Jan 2026 11:44:59 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260105-riotboard-v1-2-789b844d7e36@pengutronix.de> References: <20260105-riotboard-v1-0-789b844d7e36@pengutronix.de> In-Reply-To: <20260105-riotboard-v1-0-789b844d7e36@pengutronix.de> To: BAREBOX X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767609903; l=959; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=HB/5ipP6xdf3aTioPCGWM9FSkQttuiLvFgEKAGmpUts=; b=MIhIQiey2fPEntKaxBXhQUaUPy9UUlFcM2BZUGZZi3QAj/A6T1bcKevN+fTsWajum0bQqCfJv zxoezc9CKxDCUaFsQduT9kGLmxEyWsje8kUFmu4KBknhYtfJ9DO5eDC X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260105_024514_145392_4DA2C21D X-CRM114-Status: GOOD ( 10.48 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 2/4] ARM: i.MX6: Riotboard: Add hint how to enable DEBUG_LL X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) It's not obvious which UART to chose when trying to get DEBUG_LL output from a board. Start improving the situation by adding a comment describing which options to enable. Signed-off-by: Sascha Hauer --- arch/arm/boards/embest-riotboard/lowlevel.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boards/embest-riotboard/lowlevel.c b/arch/arm/boards/embest-riotboard/lowlevel.c index 3aae39f75f70601a0da7b061a5bd2b922a3e1cea..f1b37c2aa00d44ad8a2091abf21584ca531b7794 100644 --- a/arch/arm/boards/embest-riotboard/lowlevel.c +++ b/arch/arm/boards/embest-riotboard/lowlevel.c @@ -21,6 +21,10 @@ ENTRY_FUNCTION(start_imx6s_riotboard, r0, r1, r2) imx6_cpu_lowlevel_init(); if (IS_ENABLED(CONFIG_DEBUG_LL)) { + /* + * CONFIG_DEBUG_IMX6Q_UART=y + * CONFIG_DEBUG_IMX_UART_PORT=2 + */ writel(0x4, 0x020e016c); imx6_ungate_all_peripherals(); imx6_uart_setup_ll(); -- 2.47.3