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>
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@ -856,6 +856,15 @@ config DEBUG_LL_INCLUDE
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default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
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default "mach/debug-macro.S"
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config DEBUG_UART_8250
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def_bool ARCH_EBSA110 || (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
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ARCH_GEMINI || ARCH_RPC
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config DEBUG_UART_8250_FLOW_CONTROL
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bool "Enable flow control for 8250 UART"
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depends on DEBUG_UART_8250
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default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
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config DEBUG_UNCOMPRESS
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bool
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depends on ARCH_MULTIPLATFORM
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@ -21,7 +21,7 @@
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.endm
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.macro waituart,rd,rx
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#ifdef FLOW_CONTROL
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#ifdef CONFIG_DEBUG_UART_8250_FLOW_CONTROL
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1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT]
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tst \rd, #UART_MSR_CTS
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beq 1001b
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@ -18,5 +18,4 @@
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.endm
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#define UART_SHIFT 2
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#define FLOW_CONTROL
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#include <asm/hardware/debug-8250.S>
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@ -23,7 +23,6 @@
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.endm
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#define UART_SHIFT 0
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#define FLOW_CONTROL
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#include <asm/hardware/debug-8250.S>
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#else
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@ -17,5 +17,4 @@
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.endm
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#define UART_SHIFT 2
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#define FLOW_CONTROL
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#include <asm/hardware/debug-8250.S>
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@ -19,5 +19,4 @@
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.endm
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#define UART_SHIFT 2
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#define FLOW_CONTROL
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#include <asm/hardware/debug-8250.S>
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