From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ivan T. Ivanov" Subject: Re: [PATCH 1/2] ARM: msm: Add support for MSM8974 Dragonboard Date: Tue, 06 Aug 2013 12:14:46 +0300 Message-ID: <1375780486.2725.7.camel@iivanov-dev.int.mm-sol.com> References: <1375743779-24993-1-git-send-email-rvaswani@codeaurora.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-NwRlKioaeMfCTiOP8AFT" Return-path: Received: from ns.mm-sol.com ([212.124.72.66]:45122 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755146Ab3HFJPh (ORCPT ); Tue, 6 Aug 2013 05:15:37 -0400 In-Reply-To: <1375743779-24993-1-git-send-email-rvaswani@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Rohit Vaswani Cc: David Brown , Mark Rutland , devicetree@vger.kernel.org, Russell King , Ian Campbell , Pawel Moll , Stephen Warren , linux-arm-msm@vger.kernel.org, Rob Herring , linux-kernel@vger.kernel.org, Bryan Huntsman , Daniel Walker , linux-arm-kernel@lists.infradead.org --=-NwRlKioaeMfCTiOP8AFT Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit On Mon, 2013-08-05 at 16:02 -0700, Rohit Vaswani wrote: > This patch adds basic board support for MSM8974 Dragonboard > which belongs to the Snapdragon 800 family. > For now, just support a basic machine with device tree. > > Signed-off-by: Rohit Vaswani > --- > arch/arm/boot/dts/Makefile | 3 ++- > arch/arm/boot/dts/msm8974-db.dts | 26 ++++++++++++++++++++++++++ > arch/arm/mach-msm/Kconfig | 21 ++++++++++++++++++--- > arch/arm/mach-msm/Makefile | 1 + > arch/arm/mach-msm/board-dt-8974.c | 23 +++++++++++++++++++++++ > 5 files changed, 70 insertions(+), 4 deletions(-) > create mode 100644 arch/arm/boot/dts/msm8974-db.dts > create mode 100644 arch/arm/mach-msm/board-dt-8974.c Thanks. Tested-by: Ivan T. Ivanov Attached patch enables earlyprink for this board. [920] booting linux @ 0x8000, ramdisk @ 0x2000000 (1067699), tags/device tree @ 0x1e00000 Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 3.11.0-rc4-00003-g7c8394e (iivanov@dev) (gcc version 4.6.3 (GCC) ) #502 SMP PREEMPT Tue Aug 6 12:09:07 EEST3 [ 0.000000] CPU: ARMv7 Processor [512f06f0] revision 0 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000] Machine: Qualcomm MSM (Flattened Device Tree), model: Qualcomm MSM8974 Dragonboard .... --=-NwRlKioaeMfCTiOP8AFT Content-Disposition: attachment; filename="0001-msm-Add-low-level-debugging-via-MSM-8974-UART.patch" Content-Type: text/x-patch; name="0001-msm-Add-low-level-debugging-via-MSM-8974-UART.patch"; charset="UTF-8" Content-Transfer-Encoding: 7bit >>From 7c8394ea8d926cc90c90c76aa48c5cee88f2f149 Mon Sep 17 00:00:00 2001 From: "Ivan T. Ivanov" Date: Wed, 5 Jun 2013 17:35:40 +0300 Subject: [PATCH] msm: Add low-level debugging via MSM 8974 UART Enable low-level debug print routines to direct their output to the serial port on MSM 8974 devices. Signed-off-by: Ivan T. Ivanov --- arch/arm/Kconfig.debug | 8 ++++++++ arch/arm/mach-msm/board-dt-8974.c | 2 ++ arch/arm/mach-msm/include/mach/msm_iomap.h | 4 ++++ 3 files changed, 14 insertions(+) diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 583f4a0..4a8584f 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -323,6 +323,14 @@ 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 + 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/mach-msm/board-dt-8974.c b/arch/arm/mach-msm/board-dt-8974.c index 697623e..0ce016a 100644 --- a/arch/arm/mach-msm/board-dt-8974.c +++ b/arch/arm/mach-msm/board-dt-8974.c @@ -12,6 +12,7 @@ #include #include +#include static const char * const msm8974_dt_match[] __initconst = { "qcom,msm8974-db", @@ -20,4 +21,5 @@ static const char * const msm8974_dt_match[] __initconst = { DT_MACHINE_START(MSM8974_DT, "Qualcomm MSM (Flattened Device Tree)") .dt_compat = msm8974_dt_match, + .map_io = debug_ll_io_init, MACHINE_END diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h index c56e81f..7e08189 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap.h @@ -59,6 +59,10 @@ #define MSM_DEBUG_UART_BASE 0xE1000000 #define MSM_DEBUG_UART_PHYS MSM_UART3_PHYS #endif +#ifdef CONFIG_DEBUG_MSM8974_UART +#define MSM_DEBUG_UART_BASE 0xfa71e000 +#define MSM_DEBUG_UART_PHYS 0xf991e000 +#endif /* Virtual addresses shared across all MSM targets. */ #define MSM_CSR_BASE IOMEM(0xE0001000) -- 1.7.9.5 --=-NwRlKioaeMfCTiOP8AFT--