[PATCH v1 4/4] ARM: debug: qcom: Add APQ8084 DEBUG_LL UART support

Georgi Djakov
2014-05-21T14:58:15Z

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 <gdjakov@mm-sol.com>
---
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