#define VF_UART_VIRTUAL_BASE 0xfe000000
+#ifdef CONFIG_MMU
+
.macro addruart, rp, rv, tmp
ldr \rp, =VF_UART_PHYSICAL_BASE @ physical
and \rv, \rp, #0xffffff @ offset within 16MB section
add \rv, \rv, #VF_UART_VIRTUAL_BASE
.endm
+#else /* !CONFIG_MMU */
+
+ .macro addruart, rx, tmp
+ ldr \rx, =(VF_UART_PHYSICAL_BASE) @ physical
+ .endm
+
+#endif /* CONFIG_MMU */
+
.macro senduart, rd, rx
strb \rd, [\rx, #0x7] @ Data Register
.endm