diff options
Diffstat (limited to 'arch/arm/include/asm/hardware/debug-pl01x.S')
-rw-r--r-- | arch/arm/include/asm/hardware/debug-pl01x.S | 29 |
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 index 000000000000..f9fd083eff63 --- /dev/null +++ b/arch/arm/include/asm/hardware/debug-pl01x.S | |||
@@ -0,0 +1,29 @@ | |||
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 | ||
20 | 1001: ldr \rd, [\rx, #UART01x_FR] | ||
21 | tst \rd, #UART01x_FR_TXFF | ||
22 | bne 1001b | ||
23 | .endm | ||
24 | |||
25 | .macro busyuart,rd,rx | ||
26 | 1001: ldr \rd, [\rx, #UART01x_FR] | ||
27 | tst \rd, #UART01x_FR_BUSY | ||
28 | bne 1001b | ||
29 | .endm | ||