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-rw-r--r--arch/arm/include/asm/hardware/debug-pl01x.S29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/debug-pl01x.S b/arch/arm/include/asm/hardware/debug-pl01x.S
new file mode 100644
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--- /dev/null
+++ b/arch/arm/include/asm/hardware/debug-pl01x.S
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1/* arch/arm/include/asm/hardware/debug-pl01x.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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#include <linux/amba/serial.h>
14
15 .macro senduart,rd,rx
16 strb \rd, [\rx, #UART01x_DR]
17 .endm
18
19 .macro waituart,rd,rx
201001: ldr \rd, [\rx, #UART01x_FR]
21 tst \rd, #UART01x_FR_TXFF
22 bne 1001b
23 .endm
24
25 .macro busyuart,rd,rx
261001: ldr \rd, [\rx, #UART01x_FR]
27 tst \rd, #UART01x_FR_BUSY
28 bne 1001b
29 .endm