From mboxrd@z Thu Jan 1 00:00:00 1970 From: Georgi Djakov Subject: [PATCH v1 4/4] ARM: debug: qcom: Add APQ8084 DEBUG_LL UART support Date: Wed, 21 May 2014 17:57:05 +0300 Message-ID: <1400684225-21381-5-git-send-email-gdjakov@mm-sol.com> References: <1400684225-21381-1-git-send-email-gdjakov@mm-sol.com> Return-path: In-Reply-To: <1400684225-21381-1-git-send-email-gdjakov@mm-sol.com> Sender: linux-kernel-owner@vger.kernel.org To: linux@arm.linux.org.uk, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, sboyd@codeaurora.org, rvaswani@codeaurora.org, davidb@codeaurora.org Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Georgi Djakov List-Id: devicetree@vger.kernel.org Add debug UART support for Qualcomm APQ8084 SoC. This patch adds a Kconfig entry and the base address of the debug UART. Signed-off-by: Georgi Djakov --- 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 eab8ecb..91d5184 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -101,6 +101,15 @@ choice bool "Kernel low-level debugging on 9263 and 9g45" depends on HAVE_AT91_DBGU1 + config DEBUG_APQ8084_UART + bool "Kernel low-level debugging messages via APQ8084 UART" + depends on ARCH_QCOM + 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 Qualcomm APQ8084 devices. + config DEBUG_BCM2835 bool "Kernel low-level debugging on BCM2835 PL011 UART" depends on ARCH_BCM2835 diff --git a/arch/arm/include/debug/msm.S b/arch/arm/include/debug/msm.S index 9d653d4..178636d 100644 --- a/arch/arm/include/debug/msm.S +++ b/arch/arm/include/debug/msm.S @@ -36,6 +36,11 @@ #define MSM_DEBUG_UART_PHYS MSM_UART3_PHYS #endif +#ifdef CONFIG_DEBUG_APQ8084_UART +#define MSM_DEBUG_UART_BASE 0xFA75E000 +#define MSM_DEBUG_UART_PHYS 0xF995E000 +#endif + #ifdef CONFIG_DEBUG_MSM8660_UART #define MSM_DEBUG_UART_BASE 0xF0040000 #define MSM_DEBUG_UART_PHYS 0x19C40000 -- 1.7.9.5