From patchwork Tue Sep 23 18:59:23 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 392628 X-Patchwork-Delegate: promsoft@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 5344114009C for ; Wed, 24 Sep 2014 05:01:10 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id AC320A73EA; Tue, 23 Sep 2014 21:01:05 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aTeBhKDvKtbr; Tue, 23 Sep 2014 21:01:05 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 2D552A73E9; Tue, 23 Sep 2014 21:00:41 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 95C6C4B615 for ; Tue, 23 Sep 2014 21:00:32 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Sg9f+sEcrQOm for ; Tue, 23 Sep 2014 21:00:32 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-pa0-f73.google.com (mail-pa0-f73.google.com [209.85.220.73]) by theia.denx.de (Postfix) with ESMTPS id 340584B69A for ; Tue, 23 Sep 2014 21:00:23 +0200 (CEST) Received: by mail-pa0-f73.google.com with SMTP id ey11so1572484pad.0 for ; Tue, 23 Sep 2014 12:00:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=F3RM0rNmoc43T1sIHsR24qTUyy0DyhsWxd0gMKWbYb4=; b=ijuuwRx11fT8GQcemdKlXPctgfENmldbX7CqUQgVKssk5bwl8b7SbVOgGLeMnKr4LN Vf32p0YYYRlXlRS7to6CpT8SwTLBuxOHDSvrwpsrt4ecyGAHhnvUvHj/T6bn0EopUScz g07tMmJHUPvSthVLDeumGhOgZlJ1SkwC9NqafMfzUjrhhYzj18KksRAb6SaSxUVCmrEE TLnP/tAX0WJ1YFj5QIgAi2g+Zcyh1NfkP2y8RbpRoDWZDELKGuVSwdf6GqbRFmZrhxRv P6KJpvAt8KHJRfZI43Zg6b2FHlG8+5cHSa35png4zqBuEV9AOcMwDNa4UM1e3/1KI5bb UUMg== X-Gm-Message-State: ALoCoQnkqMlWXQatCxFMXndi4f0Irtm6Lk+EIpJiN1m/z4cunO9XZTpDS8CRtRe9xSfFOG+TSmRI X-Received: by 10.66.227.135 with SMTP id sa7mr1213081pac.19.1411498822262; Tue, 23 Sep 2014 12:00:22 -0700 (PDT) Received: from corpmail-nozzle1-1.hot.corp.google.com ([100.108.1.104]) by gmr-mx.google.com with ESMTPS id e24si686505yhe.3.2014.09.23.12.00.21 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Sep 2014 12:00:22 -0700 (PDT) Received: from kaki.bld.corp.google.com ([172.29.216.32]) by corpmail-nozzle1-1.hot.corp.google.com with ESMTP id QxaEmtyo.1; Tue, 23 Sep 2014 12:00:22 -0700 Received: by kaki.bld.corp.google.com (Postfix, from userid 121222) id 4B12F2206A9; Tue, 23 Sep 2014 13:00:21 -0600 (MDT) From: Simon Glass To: U-Boot Mailing List Date: Tue, 23 Sep 2014 12:59:23 -0600 Message-Id: <1411498777-10833-2-git-send-email-sjg@chromium.org> X-Mailer: git-send-email 2.1.0.rc2.206.gedb03e5 In-Reply-To: <1411498777-10833-1-git-send-email-sjg@chromium.org> References: <1411498777-10833-1-git-send-email-sjg@chromium.org> Cc: Chander Kashyap , Przemyslaw Marczak , Ajay Kumar Subject: [U-Boot] [PATCH v3 01/15] Exynos: Use 900MHz ARM frequency in SPL for peach_pit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de The device seems to hang in SPL if the full speed is used when booting from USB, perhaps because the PMIC has not been set to the maximum ARM core voltage yet. Slow it down to a reliable speed. Signed-off-by: Simon Glass --- Changes in v3: None Changes in v2: - Add new patch to use 900MHz ARM frequeny in SPL for peach_pit arch/arm/dts/exynos5420-peach-pit.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/dts/exynos5420-peach-pit.dts b/arch/arm/dts/exynos5420-peach-pit.dts index 3ed70a8..207782e 100644 --- a/arch/arm/dts/exynos5420-peach-pit.dts +++ b/arch/arm/dts/exynos5420-peach-pit.dts @@ -32,7 +32,7 @@ mem-manuf = "samsung"; mem-type = "ddr3"; clock-frequency = <800000000>; - arm-frequency = <1700000000>; + arm-frequency = <900000000>; }; tmu@10060000 {