+ .endm
+
+ .macro fifo_level_s3c2410 rd, rx
+ ldr \rd, [ \rx, # S3C2410_UFSTAT ]
+ and \rd, \rd, #S3C2410_UFSTAT_TXMASK
+ .endm
+
+/* Select the correct implementation depending on the configuration. The
+ * S3C2440 will get selected by default, as these are the most widely
+ * used variants of these
+*/
+
+#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY)
+#define fifo_full fifo_full_s3c2410
+#define fifo_level fifo_level_s3c2410
+#warning 2410only
+#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY)
+#define fifo_full fifo_full_s3c24xx
+#define fifo_level fifo_level_s3c24xx
+#warning generic
+#endif