#endif
.endm
- .macro senduart,rd,rx
- strb \rd, [\rx]
- .endm
-
- .macro busyuart,rd,rx
-1002: ldrb \rd, [\rx, #0x14]
- tst \rd, #0x20
- beq 1002b
- .endm
-
- .macro waituart,rd,rx
- nop
- nop
- nop
- .endm
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>