@ byte writes used - Big Endian.
.endm
- .macro senduart,rd,rx
- strb \rd, [\rx]
- .endm
-
- .macro waituart,rd,rx
-1002: ldrb \rd, [\rx, #0x14]
- and \rd, \rd, #0x60 @ check THRE and TEMT bits
- teq \rd, #0x60
- bne 1002b
- .endm
-
- .macro busyuart,rd,rx
- .endm
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>