[ARM] Collect 8250-based debug implementations together
Several ARM machine implementations used an 8250 compatible port for
debugging purposes, and indepdently implemented the low level debug
macros every time. Provide a common implementation and convert these
implementations to use this version.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-cl7500/debug-macro.S b/include/asm-arm/arch-cl7500/debug-macro.S
index a5d489d..9a2b67d 100644
--- a/include/asm-arm/arch-cl7500/debug-macro.S
+++ b/include/asm-arm/arch-cl7500/debug-macro.S
@@ -17,15 +17,5 @@
orr \rx, \rx, #0x00000be0
.endm
- .macro senduart,rd,rx
- strb \rd, [\rx]
- .endm
-
- .macro busyuart,rd,rx
- .endm
-
- .macro waituart,rd,rx
-1001: ldrb \rd, [\rx, #0x14]
- tst \rd, #0x20
- beq 1001b
- .endm
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>