From patchwork Mon Nov 19 11:09:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Roese X-Patchwork-Id: 1764421 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id E89563FCAE for ; Mon, 19 Nov 2012 11:12:55 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TaPFO-0002yH-8X; Mon, 19 Nov 2012 11:10:38 +0000 Received: from mo6-p05-ob.rzone.de ([2a01:238:20a:202:5305::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TaPEq-0002oy-Kb for linux-arm-kernel@lists.infradead.org; Mon, 19 Nov 2012 11:10:05 +0000 X-RZG-AUTH: :IW0NeWC7b/q2i6W/qstXb1SBUuFnrGohdvpEkce+Ub4+ReKfHD+mCZCG4i4= X-RZG-CLASS-ID: mo05 Received: from ubuntu-2012.fritz.box (p57B94205.dip.t-dialin.net [87.185.66.5]) by smtp.strato.de (jored mo34) (RZmta 31.4 DYNA|AUTH) with ESMTPA id j02f1aoAJAVoL2 ; Mon, 19 Nov 2012 12:09:49 +0100 (CET) From: Stefan Roese To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/4] ARM: sunxi: Add earlyprintk support for UART0 (sun4i) Date: Mon, 19 Nov 2012 12:09:41 +0100 Message-Id: <1353323383-11827-2-git-send-email-sr@denx.de> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1353323383-11827-1-git-send-email-sr@denx.de> References: <1353323383-11827-1-git-send-email-sr@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121119_061005_135417_C67FFB78 X-CRM114-Status: GOOD ( 11.25 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Maxime Ripard , Arnd Bergmann X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Stefan Roese Cc: Maxime Ripard Cc: Arnd Bergmann Acked-by: Arnd Bergmann --- arch/arm/Kconfig.debug | 9 ++++++++- arch/arm/include/debug/sunxi.S | 5 ++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index f12bc3a..cc1ed35 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -345,6 +345,13 @@ choice Say Y here if you want kernel low-level debugging support on SOCFPGA based platforms. + config DEBUG_SUNXI_UART0 + bool "Kernel low-level debugging messages via sunXi UART0" + depends on ARCH_SUNXI + help + Say Y here if you want kernel low-level debugging support + on Allwinner A1X based platforms on the UART0. + config DEBUG_SUNXI_UART1 bool "Kernel low-level debugging messages via sunXi UART1" depends on ARCH_SUNXI @@ -423,7 +430,7 @@ config DEBUG_LL_INCLUDE default "debug/mvebu.S" if DEBUG_MVEBU_UART default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART default "debug/socfpga.S" if DEBUG_SOCFPGA_UART - default "debug/sunxi.S" if DEBUG_SUNXI_UART1 + default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \ DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1 default "mach/debug-macro.S" diff --git a/arch/arm/include/debug/sunxi.S b/arch/arm/include/debug/sunxi.S index 3bf61ca..04eb56d 100644 --- a/arch/arm/include/debug/sunxi.S +++ b/arch/arm/include/debug/sunxi.S @@ -10,7 +10,10 @@ * published by the Free Software Foundation. */ -#ifdef CONFIG_DEBUG_SUNXI_UART1 +#if defined(CONFIG_DEBUG_SUNXI_UART0) +#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000 +#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000 +#elif defined(CONFIG_DEBUG_SUNXI_UART1) #define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400 #define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400 #endif