From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 05 Dec 2022 14:30:29 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1p2BYD-00BdXN-6B for lore@lore.pengutronix.de; Mon, 05 Dec 2022 14:30:29 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p2BYC-0004Mp-G7 for lore@pengutronix.de; Mon, 05 Dec 2022 14:30:29 +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:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=xz/+nLAOOcoaHFSIJXa9V3VgJQSDu7XihrHufb0KMyc=; b=duirmFF8Y3vKAsVPc8yMASqvxu 1tcLmssYMY2JPAZWrI0P0O5crLZTUjruZH4X1cftjgxQMK8T2yV4Kwby4LNWlCHZO56tBztj4lciE +SXhllzhqV8cEoXFS+eS3j5J9OAu/dBaEPKxZjHaUd66NemtC0Oc6AZ5tWm5gfrz0qv0+QOhcNbZi brSHRwPr6Dtg8YhkrN5dTDPYrk2NUyKCsUVZgCSuiz6FOJWGehX+A01Rroqa3zit5FgVhZSe3i8rD 8TEOumADVyUdr3hwXJtdrHXRRor4KfYR7mz6L4vskuLx3E/aY2PL2Dh56u/yDbUa+NMZ5GvHAsr20 eMYpC2aQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2BWb-003QLz-PO; Mon, 05 Dec 2022 13:28:49 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2BWV-003QHF-N7 for barebox@lists.infradead.org; Mon, 05 Dec 2022 13:28:46 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p2BWQ-0003wh-99; Mon, 05 Dec 2022 14:28:38 +0100 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1p2BWO-002U34-SW; Mon, 05 Dec 2022 14:28:37 +0100 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1p2BWO-00Cb9G-Oc; Mon, 05 Dec 2022 14:28:36 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 5 Dec 2022 14:28:34 +0100 Message-Id: <20221205132835.3002605-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221205_052843_796484_F670BADB X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. 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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/2] ddr: imx8m: warn about unsupported frequencies X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) When adding a new board with a yet unsupported DDR frequency, PLL configuration is silently skipped, leading to a later hang during DDRC configuration. Improve the bring up user experience by printing a warning in that case. The user is then expected to extend imx8mm_fracpll_table, so PBL knows how PLLs should be configured for this new frequency. Signed-off-by: Ahmad Fatoum --- drivers/ddr/imx8m/ddrphy_utils.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ddr/imx8m/ddrphy_utils.c b/drivers/ddr/imx8m/ddrphy_utils.c index c5d94e305086..3e03d4b75c9e 100644 --- a/drivers/ddr/imx8m/ddrphy_utils.c +++ b/drivers/ddr/imx8m/ddrphy_utils.c @@ -344,6 +344,7 @@ void ddrphy_init_set_dfi_clk(unsigned int drate_mhz, enum ddrc_type type) case 400: drate = DDR_400; break; case 100: drate = DDR_100; break; default: + pr_warn("Unsupported frequency %u\n", drate_mhz); return; } -- 2.30.2