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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 11:14:15 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 04:55:48 -0400
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-at91/include/mach/debug-macro.S
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-at91/include/mach/debug-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
new file mode 100644
index 000000000000..29052ba66ada
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/debug-macro.S
@@ -0,0 +1,39 @@
1/*
2 * arch/arm/mach-at91/include/mach/debug-macro.S
3 *
4 * Copyright (C) 2003-2005 SAN People
5 *
6 * Debugging macro include header
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14#include <mach/hardware.h>
15#include <mach/at91_dbgu.h>
16
17 .macro addruart,rx
18 mrc p15, 0, \rx, c1, c0
19 tst \rx, #1 @ MMU enabled?
20 ldreq \rx, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address)
21 ldrne \rx, =(AT91_VA_BASE_SYS + AT91_DBGU) @ System peripherals (virt address)
22 .endm
23
24 .macro senduart,rd,rx
25 strb \rd, [\rx, #(AT91_DBGU_THR - AT91_DBGU)] @ Write to Transmitter Holding Register
26 .endm
27
28 .macro waituart,rd,rx
291001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register
30 tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit
31 beq 1001b
32 .endm
33
34 .macro busyuart,rd,rx
351001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register
36 tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete
37 beq 1001b
38 .endm
39