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authorRohit Vaswani <rvaswani@codeaurora.org>2013-10-18 01:15:35 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-10-29 15:06:21 +0400
commit3c8828f6a0cb3bf1bae04a98135da3c53e20c217 (patch)
treee2262f71c1827d92899d069389d1158fee4a5d38 /arch/arm
parentc527c3b939cdb2e75777fe690e067b6e199c44fc (diff)
downloadlinux-3c8828f6a0cb3bf1bae04a98135da3c53e20c217.tar.xz
ARM: 7860/1: debug: msm: Add DEBUG_LL support for ARCH_MSM8974
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> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig.debug9
-rw-r--r--arch/arm/include/debug/msm.S5
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 8e9665d5fed3..a8f305b07f29 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 9166e1bc470e..9d653d475903 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