From patchwork Thu Oct 3 23:05:56 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rohit Vaswani X-Patchwork-Id: 2986581 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 11AD99F288 for ; Thu, 3 Oct 2013 23:06:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 431F620158 for ; Thu, 3 Oct 2013 23:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76951201DC for ; Thu, 3 Oct 2013 23:06:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754091Ab3JCXGc (ORCPT ); Thu, 3 Oct 2013 19:06:32 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:34117 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751374Ab3JCXGb (ORCPT ); Thu, 3 Oct 2013 19:06:31 -0400 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 2B53D13F281; Thu, 3 Oct 2013 23:06:31 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 1EA6313F28D; Thu, 3 Oct 2013 23:06:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from codeaurora.org (i-global252.qualcomm.com [199.106.103.252]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: rvaswani@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8C1EB13F281; Thu, 3 Oct 2013 23:06:30 +0000 (UTC) From: Rohit Vaswani To: Russell King Cc: Rohit Vaswani , David Brown , Daniel Walker , Bryan Huntsman , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] ARM: debug: msm: Add DEBUG_LL support for ARCH_MSM8974 Date: Thu, 3 Oct 2013 16:05:56 -0700 Message-Id: <1380841557-2673-4-git-send-email-rvaswani@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1380841557-2673-1-git-send-email-rvaswani@codeaurora.org> References: <1380841557-2673-1-git-send-email-rvaswani@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add debug uart support for MSM8974. This patch adds a Kconfig entry and the base address for the debug uart. Signed-off-by: Rohit Vaswani Acked-by: David Brown --- arch/arm/Kconfig.debug | 9 +++++++++ arch/arm/include/debug/msm.S | 5 +++++ 2 files changed, 14 insertions(+) diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index e18a6fc..959b2c7 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -357,6 +357,15 @@ choice Say Y here if you want the debug print routines to direct their output to the serial port on MSM 8960 devices. + config DEBUG_MSM8974_UART + bool "Kernel low-level debugging messages via MSM 8974 UART" + depends on ARCH_MSM8974 + select MSM_HAS_DEBUG_UART_HS + select DEBUG_MSM_UART + help + Say Y here if you want the debug print routines to direct + their output to the serial port on MSM 8974 devices. + config DEBUG_MVEBU_UART bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)" depends on ARCH_MVEBU diff --git a/arch/arm/include/debug/msm.S b/arch/arm/include/debug/msm.S index 9166e1b..9d653d4 100644 --- a/arch/arm/include/debug/msm.S +++ b/arch/arm/include/debug/msm.S @@ -46,6 +46,11 @@ #define MSM_DEBUG_UART_PHYS 0x16440000 #endif +#ifdef CONFIG_DEBUG_MSM8974_UART +#define MSM_DEBUG_UART_BASE 0xFA71E000 +#define MSM_DEBUG_UART_PHYS 0xF991E000 +#endif + .macro addruart, rp, rv, tmp #ifdef MSM_DEBUG_UART_PHYS ldr \rp, =MSM_DEBUG_UART_PHYS