ARM: Introduce plat-tcc

[sfrench/cifs-2.6.git] / arch / arm / plat-tcc / include / mach / debug-macro.S

diff --git a/arch/arm/plat-tcc/include/mach/debug-macro.S b/arch/arm/plat-tcc/include/mach/debug-macro.S
new file mode 100644 (file)
index 0000000..9753784
--- /dev/null
+++ b/arch/arm/plat-tcc/include/mach/debug-macro.S
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 1994-1999 Russell King
+ * Copyright (C) 2008-2009 Telechips
+ * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
+ *
+ * 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.
+ *
+ */
+
+               .macro  addruart,rx,tmp
+               mrc     p15, 0, \rx, c1, c0
+               tst     \rx, #1                 @ MMU enabled?
+               moveq   \rx, #0x90000000        @ physical base address
+               movne   \rx, #0xF1000000        @ virtual base
+               orr     \rx, \rx, #0x00007000   @ UART0
+               .endm
+
+               .macro  senduart,rd,rx
+               strb    \rd, [\rx, #0x44]
+               .endm
+
+               .macro  waituart,rd,rx
+               .endm
+
+               .macro  busyuart,rd,rx
+1001:
+               ldr \rd, [\rx, #0x14]
+               tst \rd, #0x20
+
+               beq 1001b
+               .endm