From patchwork Thu Feb 28 07:19:20 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haojian Zhuang X-Patchwork-Id: 2195671 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id C827ADF2A2 for ; Thu, 28 Feb 2013 07:24:18 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UAxmK-0004qj-3V; Thu, 28 Feb 2013 07:19:44 +0000 Received: from mail-pa0-f43.google.com ([209.85.220.43]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UAxmG-0004qQ-KX for linux-arm-kernel@lists.infradead.org; Thu, 28 Feb 2013 07:19:41 +0000 Received: by mail-pa0-f43.google.com with SMTP id bh2so983239pad.16 for ; Wed, 27 Feb 2013 23:19:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer :x-gm-message-state; bh=+66oHRVYMvjFtgYB0RV1a64Ts4XpUqmydh546lErSE4=; b=UhY0rj+f1IMOl9RsBBdv/wjfJM7on6/T8vJEU/K3LCtifPYZ+XA5mz5tKd2bkeQna2 UGvu1HcaMiLdx3OoOOtSBuRuiZJP7nYU2O17LVTkZaIRVqEOMn+o6L60WAuBcFNNIUjy q09GPKIUAFm8G/5pE6M4RIhUKmCdpBksCw/Fn2tKPZr8pyL5GR051TO5E0Gmo3UEM53a QvAaRaVz4IEL1u3NJ98Tm3SR8cKv+i968A14aqPIJMituen9eEVQVT0WqE5JcuG+n/xE Ow+EUbvFQSsk8arYmxV5/4IflzMBzkHOOO0H7jG7hhR10XiCM3XVteHaLlqflJ7juw4z Me0w== X-Received: by 10.68.134.233 with SMTP id pn9mr7687399pbb.90.1362035978138; Wed, 27 Feb 2013 23:19:38 -0800 (PST) Received: from localhost.localdomain ([140.206.155.71]) by mx.google.com with ESMTPS id k7sm8255069paz.13.2013.02.27.23.19.33 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 27 Feb 2013 23:19:37 -0800 (PST) From: Haojian Zhuang To: jone.lixin@huawei.com, arnd@arndb.de, olof@lixom.net, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/7] ARM: debug: support debug ll on hisilicon soc Date: Thu, 28 Feb 2013 15:19:20 +0800 Message-Id: <1362035966-17628-1-git-send-email-haojian.zhuang@linaro.org> X-Mailer: git-send-email 1.7.10.4 X-Gm-Message-State: ALoCoQnAkGrCRbSegFK9xhrxiJ9SesRVfJyCeXv+5iCGmu9PRZdEVHEyz9DUQsgYizh74yPHBMeR X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130228_021940_752595_9E0118A7 X-CRM114-Status: GOOD ( 11.35 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.220.43 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Haojian Zhuang , patches@linaro.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Support UART0 debug ll on hisilicon Hi3620 SoC. Signed-off-by: Haojian Zhuang --- arch/arm/Kconfig.debug | 15 +++++++++++++++ arch/arm/include/debug/hisilicon.S | 30 ++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) create mode 100644 arch/arm/include/debug/hisilicon.S diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index acdddda..32958a6 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -240,6 +240,20 @@ choice Say Y here if you want kernel low-level debugging support on i.MX6Q. + config DEBUG_HI3620_UART + bool "Hisilicon HI3620 Debug UART" + depends on ARCH_HS + help + Say Y here if you want kernel low-level debugging support + on HI3620 UART. + + config DEBUG_HI3716_UART + bool "Hisilicon Hi3716 Debug UART" + depends on ARCH_HS + help + Say Y here if you want kernel low-level debugging support + on HI3716 UART. + config DEBUG_MMP_UART2 bool "Kernel low-level debugging message via MMP UART2" depends on ARCH_MMP @@ -589,6 +603,7 @@ config DEBUG_LL_INCLUDE DEBUG_IMX53_UART ||\ DEBUG_IMX6Q_UART default "debug/highbank.S" if DEBUG_HIGHBANK_UART + default "debug/hisilicon.S" if DEBUG_HI3620_UART || DEBUG_HI3716_UART default "debug/mvebu.S" if DEBUG_MVEBU_UART default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART diff --git a/arch/arm/include/debug/hisilicon.S b/arch/arm/include/debug/hisilicon.S new file mode 100644 index 0000000..e719545 --- /dev/null +++ b/arch/arm/include/debug/hisilicon.S @@ -0,0 +1,30 @@ +/* + * Early serial output macro for Hisilicon SoC + * + * Copyright (C) 2012-2013 Linaro Ltd. + * Copyright (C) 2012-2013 Hisilicon Ltd. + * + * Haojian Zhuang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#if defined(CONFIG_DEBUG_HI3620_UART) +#define HS_UART_PHYS_BASE 0xfcb00000 +#define HS_UART_VIRT_BASE 0xfeb00000 +#elif defined(CONFIG_DEBUG_HI3716_UART) +#define HS_UART_PHYS_BASE 0xf8b00000 +#define HS_UART_VIRT_BASE 0xfeb00000 +#endif + +#if defined(CONFIG_DEBUG_HI3620_UART) || defined(CONFIG_DEBUG_HI3716_UART) + .macro addruart,rp,rv,tmp + ldr \rp, =HS_UART_PHYS_BASE + ldr \rv, =HS_UART_VIRT_BASE + .endm + +#include + +#endif