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ARM: debug: provide 8250 debug uart flow control configuration option 

Move the definition out of the machine class debug-macro.S header
into the Kconfig files.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-07-06 22:59:10 +01:00
parent cce278d203
commit 7610b607b0
6 changed files with 10 additions and 5 deletions
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9
arch/arm/Kconfig.debug
View File

@ -856,6 +856,15 @@ config DEBUG_LL_INCLUDE
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
default "mach/debug-macro.S"
config DEBUG_UART_8250
def_bool ARCH_EBSA110 || (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
ARCH_GEMINI || ARCH_RPC
config DEBUG_UART_8250_FLOW_CONTROL
bool "Enable flow control for 8250 UART"
depends on DEBUG_UART_8250
default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
config DEBUG_UNCOMPRESS
bool
depends on ARCH_MULTIPLATFORM

2
arch/arm/include/asm/hardware/debug-8250.S
View File

@ -21,7 +21,7 @@
.endm
.macro waituart,rd,rx
#ifdef FLOW_CONTROL
#ifdef CONFIG_DEBUG_UART_8250_FLOW_CONTROL
1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT]
tst \rd, #UART_MSR_CTS
beq 1001b

1
arch/arm/mach-ebsa110/include/mach/debug-macro.S
View File

@ -18,5 +18,4 @@
.endm
#define UART_SHIFT 2
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>

1
arch/arm/mach-footbridge/include/mach/debug-macro.S
View File

@ -23,7 +23,6 @@
.endm
#define UART_SHIFT 0
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>
#else

1
arch/arm/mach-gemini/include/mach/debug-macro.S
View File

@ -17,5 +17,4 @@
.endm
#define UART_SHIFT 2
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>

1
arch/arm/mach-rpc/include/mach/debug-macro.S
View File

@ -19,5 +19,4 @@
.endm
#define UART_SHIFT 2
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>