From: Rohit Vaswani <rvaswani@codeaurora.org>
To: Russell King <linux@arm.linux.org.uk>
Cc: Rohit Vaswani <rvaswani@codeaurora.org>,
David Brown <davidb@codeaurora.org>,
Daniel Walker <dwalker@fifo99.com>,
Bryan Huntsman <bryanh@codeaurora.org>,
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 [thread overview]
Message-ID: <1380841557-2673-4-git-send-email-rvaswani@codeaurora.org> (raw)
In-Reply-To: <1380841557-2673-1-git-send-email-rvaswani@codeaurora.org>
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 <rvaswani@codeaurora.org>
---
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
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2013-10-03 23:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-03 23:05 [PATCH 0/4]Re-organize DEBUG_UART for MSM and add support for MSM8974 Rohit Vaswani
2013-10-03 23:05 ` [PATCH 1/4] ARM: debug: Create CONFIG_DEBUG_MSM_UART and re-organize the selects for MSM Rohit Vaswani
2013-10-16 22:00 ` David Brown
2013-10-03 23:05 ` [PATCHv4 2/4] ARM: msm: Add support for APQ8074 Dragonboard Rohit Vaswani
2013-10-04 8:28 ` Ivan T. Ivanov
2013-10-04 8:45 ` Rohit Vaswani
2013-10-03 23:05 ` Rohit Vaswani [this message]
2013-10-16 18:26 ` [PATCH 3/4] ARM: debug: msm: Add DEBUG_LL support for ARCH_MSM8974 David Brown
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