This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / include / asm-arm / arch-at91rm9200 / debug-macro.S
diff --git a/include/asm-arm/arch-at91rm9200/debug-macro.S b/include/asm-arm/arch-at91rm9200/debug-macro.S
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+/*
+ * include/asm-arm/arch-at91rm9200/debug-macro.S
+ *
+ *  Copyright (C) 2003-2005 SAN People
+ *
+ * Debugging macro include header
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+*/
+
+#include <asm/hardware.h>
+
+       .macro  addruart,rx
+       mrc     p15, 0, \rx, c1, c0
+       tst     \rx, #1                         @ MMU enabled?
+       ldreq   \rx, =AT91_BASE_SYS             @ System peripherals (phys address)
+       ldrne   \rx, =AT91_VA_BASE_SYS          @ System peripherals (virt address)
+       .endm
+
+       .macro  senduart,rd,rx
+       strb    \rd, [\rx, #AT91_DBGU_THR]      @ Write to Transmitter Holding Register
+       .endm
+
+       .macro  waituart,rd,rx
+1001:  ldr     \rd, [\rx, #AT91_DBGU_SR]       @ Read Status Register
+       tst     \rd, #AT91_DBGU_TXRDY           @ DBGU_TXRDY = 1 when ready to transmit
+       beq     1001b
+       .endm
+
+       .macro  busyuart,rd,rx
+1001:  ldr     \rd, [\rx, #AT91_DBGU_SR]       @ Read Status Register
+       tst     \rd, #AT91_DBGU_TXEMPTY         @ DBGU_TXEMPTY = 1 when transmission complete
+       beq     1001b
+       .endm
+