From patchwork Tue Feb 21 01:56:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Lin X-Patchwork-Id: 730331 X-Patchwork-Delegate: joe.hershberger@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 3vSBf50Gxpz9s0g for ; Tue, 21 Feb 2017 18:17:33 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="gM0cIYx1"; dkim-atps=neutral Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 6836F4B63C; Tue, 21 Feb 2017 08:17:31 +0100 (CET) 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 jcdTpaaZHGLE; Tue, 21 Feb 2017 08:17:31 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id B00D34B68F; Tue, 21 Feb 2017 08:17:03 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 8607A4BA81 for ; Tue, 21 Feb 2017 02:57:13 +0100 (CET) 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 8GtTxA9ypEvd for ; Tue, 21 Feb 2017 02:57:13 +0100 (CET) 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-oi0-f67.google.com (mail-oi0-f67.google.com [209.85.218.67]) by theia.denx.de (Postfix) with ESMTPS id 1B3A04BA58 for ; Tue, 21 Feb 2017 02:57:07 +0100 (CET) Received: by mail-oi0-f67.google.com with SMTP id z13so3461983oig.2 for ; Mon, 20 Feb 2017 17:57:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=uAN6IO1AprWS56tHt3H/rOVmqsna9f3UL75ShbPptqw=; b=gM0cIYx1wtUI1IRxwxsJITmfEZ2X0E96vsdvBwJ4U642i6ggkPJjytnT6TomIHnj8N kp1xssPtB3+0opu3yGxbmpexpnxxdz/ID0juvt32q9kBjtAsv+wRPCcSNsDoaUYBtKiz iZRy7IH9lw/Qyqt4Vt+DSk3FI+SFL2hyvaBRY1xIWm4Qgf8qG/+/GfURTvL4H7QKOxcK hz4upAX/iHABIqJHGcQSjnR3WGDdkUNqYqd9PhzhkzwYAmiNgu4w/MRsBerWLXajcJnq Pc4SZNBv/zPgqsK+7i4ujh5dc33nddB0PjWOseL00My9eBn+4RKLGSeAQpYe0sYgF8f+ 663g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=uAN6IO1AprWS56tHt3H/rOVmqsna9f3UL75ShbPptqw=; b=LDzXsyUPOR8IaW0QtQFJGd+/WKWTMVdKXNqRuQIrt19Uckj94DjXWRmcNJ44l0G5ST vhIkwxoQ/qcwey772a1/M/fK47D/sF/bGdYr8l3o2iCNb4yGJoYc2OLED2uN5CuhXZZr yNBTh8wD/i9uN/tuWSYa00uVqEDegeYHZmB2Nf8n8XUUhYWIH0f6MxlBUK80wj+0rD4F 1aiBMA+IS+X+T5YveEl7/duunSLlKGRQTWKxTudJTCIxqvHD3lX//+p0bzk1S5IyaDFG 9Lmx+e9SGNJ3oIuCIADP9DGngJJm0LsIiGb95AZiqHzj9YEpS1m8bmaOhHaLOvIDZGhJ Tq+w== X-Gm-Message-State: AMke39nBxuGdvfS+ZPACMIxGM/WUP09r107qt1f6/AawT3UHNpetyEGvtp2eXzLZNP0wyQ== X-Received: by 10.202.68.10 with SMTP id r10mr12959363oia.181.1487642226330; Mon, 20 Feb 2017 17:57:06 -0800 (PST) Received: from localhost.localdomain (wsip-64-147-2-100.oc.oc.cox.net. [64.147.2.100]) by smtp.googlemail.com with ESMTPSA id q7sm8821387otb.31.2017.02.20.17.57.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 20 Feb 2017 17:57:05 -0800 (PST) From: Ken Lin To: sbabic@denx.de Date: Tue, 21 Feb 2017 09:56:55 +0800 Message-Id: <20170221015656.23555-1-yungching0725@gmail.com> X-Mailer: git-send-email 2.11.0 X-Mailman-Approved-At: Tue, 21 Feb 2017 08:16:24 +0100 Cc: u-boot@lists.denx.de, peter.stretz@advantech.com Subject: [U-Boot] [PATCH v2 1/2] board: ge: bx50v3: fix AR8033 reset timing issue X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add the delay (10ms) to ensure the clock is stable and to meet the clock-to-reset(1ms) requirement recommended in the AR8033 datasheet Signed-off-by: Ken Lin Reviewed-by: Stefano Babic Acked-by: Ian Ray --- Changes from v1 - Fix the missing Signed-off-by issue board/ge/bx50v3/bx50v3.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c index 2fc1144cda..80b4ba1b8b 100644 --- a/board/ge/bx50v3/bx50v3.c +++ b/board/ge/bx50v3/bx50v3.c @@ -103,8 +103,9 @@ static void setup_iomux_enet(void) /* Reset AR8033 PHY */ gpio_direction_output(IMX_GPIO_NR(1, 28), 0); - udelay(500); + mdelay(10); gpio_set_value(IMX_GPIO_NR(1, 28), 1); + mdelay(1); } static iomux_v3_cfg_t const usdhc2_pads[] = {