From patchwork Wed Sep 11 10:01:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajeshwari Birje X-Patchwork-Id: 274222 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 17FE22C007E for ; Wed, 11 Sep 2013 20:02:32 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 6B9AA4A099; Wed, 11 Sep 2013 12:01:58 +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 tohH6HYztzH9; Wed, 11 Sep 2013 12:01:58 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id DE6A54A0E2; Wed, 11 Sep 2013 12:00:22 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 1289C4A090 for ; 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Wed, 11 Sep 2013 18:59:50 +0900 (KST) X-AuditID: cbfee691-b7f4a6d0000074fc-7c-52303f16a21d Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 4A.A5.09055.61F30325; Wed, 11 Sep 2013 18:59:50 +0900 (KST) Received: from localhost.localdomain.com ([107.108.73.95]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MSY0040PH3CE280@mmp2.samsung.com>; Wed, 11 Sep 2013 18:59:50 +0900 (KST) From: Rajeshwari S Shinde To: u-boot@lists.denx.de Date: Wed, 11 Sep 2013 15:31:18 +0530 Message-id: <1378893684-27733-7-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.11.7 In-reply-to: <1378893684-27733-1-git-send-email-rajeshwari.s@samsung.com> References: <1378893684-27733-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmplkeLIzCtJLcpLzFFi42JZI2JSoytmbxBkMLPByuLUn8eMFg/mbWOz eLj+JotFx5EWRotdtyezWEw5/IXF4tuWbYwWy19vZLd4u7eT3YHTY97PiUwesxsusngs2FTq cefaHjaPs3d2MHr0bVnFGMAWxWWTkpqTWZZapG+XwJUx59InxoJlXBXde4waGNdwdDFyckgI mEhcfNPKAmGLSVy4t56ti5GLQ0hgKaPE0T9d7DBFT17MYIZITGeUuDvlPwuE08Uk8XDiQcYu Rg4ONqCqjScSQBpEBCQkfvVfZQSpYRa4xShx6dt7sBXCAi4SP343MoHYLAKqEncXzQOzeQU8 JJbe3sIGsU1RYsaSZ4wgNqeAp0TrmUawK4SAap5u38gOMlRCYBu7xNGWO8wQgwQkvk0+xAJy hISArMSmA8wQcyQlDq64wTKBUXgBI8MqRtHUguSC4qT0IlO94sTc4tK8dL3k/NxNjMAoOP3v 2cQdjPcPWB9iTAYaN5FZSjQ5HxhFeSXxhsZmRhamJqbGRuaWZqQJK4nzqrdYBwoJpCeWpGan phakFsUXleakFh9iZOLglGpg9I7qETz/+GZTpH74N/sQbl++8hXeAt2W9ftX1QtM/2gVcevV 2SW354SeP1nt6BHRl3n/yaQo33ddkfsC5h4Sesr70G7fU8Nq7z3SGxwfaFkIdlanWhhy3jyt IeVXk6e/O75TcL+YSZdpq0XBxEVuG3IeKPOE23A8jWdX4OxujVQvYdN14lZiKc5INNRiLipO BACxgrOxmAIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEIsWRmVeSWpSXmKPExsVy+t9jQV0xe4MggzV3DCxO/XnMaPFg3jY2 i4frb7JYdBxpYbTYdXsyi8WUw19YLL5t2cZosfz1RnaLt3s72R04Peb9nMjkMbvhIovHgk2l Hneu7WHzOHtnB6NH35ZVjAFsUQ2MNhmpiSmpRQqpecn5KZl56bZK3sHxzvGmZgaGuoaWFuZK CnmJuam2Si4+AbpumTlAZykplCXmlAKFAhKLi5X07TBNCA1x07WAaYzQ9Q0JgusxMkADCWsY M+Zc+sRYsIyronuPUQPjGo4uRk4OCQETiScvZjBD2GISF+6tZ+ti5OIQEpjOKHF3yn8WCKeL SeLhxIOMXYwcHGxAHRtPJIA0iAhISPzqv8oIUsMscItR4tK39ywgCWEBF4kfvxuZQGwWAVWJ u4vmgdm8Ah4SS29vYYPYpigxY8kzRhCbU8BTovVMIzuILQRU83T7RvYJjLwLGBlWMYqmFiQX FCel5xrqFSfmFpfmpesl5+duYgTH2DOpHYwrGywOMQpwMCrx8N6Q0w8SYk0sK67MPcQowcGs JML7wNQgSIg3JbGyKrUoP76oNCe1+BBjMtBVE5mlRJPzgfGfVxJvaGxibmpsamliYWJmSZqw kjjvgVbrQCGB9MSS1OzU1ILUIpgtTBycUg2MHQcVerff7MyOdGrLXGuxybHJ56b+Lv5ujvsi DuuVljoquH2PWnfx4mQxaedIY7Mz++++3H+9J/q4/P/70xZW+0odlA/RP8p7fc/yF1XXTu1U uH7lisTWBmtjtQyJidmqj7UiVI9IC7/5lpXWODX/wT/zcu6FMq823l5a+S7fpe3K54IyN5kJ SizFGYmGWsxFxYkA1DelL/UCAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Cc: u-boot-review@google.com, patches@linaro.org, panto@antoniou-consulting.com, alim.akhtar@samsung.com Subject: [U-Boot] [PATCH 06/12 V3] Exynos5420: Alter UNCON and UFCON for 5420 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 From: Akshay Saraswat This patch modifies UNCON and UFCON values to make s5p serial support exynos5420 by doing following changes: * Enable Rx time-out interrupts. * Make Rx time-out interrupt interval = 32 frame time. * Enable DMA mode. * Enable FIFO. * Make Rx FIFO Trigger level 64, 16 and 4 bytes for channels channels 0, 1 and 2/3 respectively. * Make Tx FIFO Trigger level 32, 8 and 2 bytes for channels channels 0, 1 and 2/3 respectively. Signed-off-by: Rajeshwari S Shinde Signed-off-by: Akshay Saraswat --- Changes in V2: - None Changes in V3: - None drivers/serial/serial_s5p.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index f98b422..b939084 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -107,6 +107,12 @@ int serial_init_dev(const int dev_index) writel(0x3, &uart->ulcon); /* No interrupts, no DMA, pure polling */ writel(0x245, &uart->ucon); + if (proid_is_exynos5420()) { + /* Enable interrupts and Enable DMA mode */ + writel(0x3045, &uart->ucon); + /* enable FIFOs */ + writel(0x111, &uart->ufcon); + } serial_setbrg_dev(dev_index);