diff options
Diffstat (limited to 'include/asm-arm/arch-realview/debug-macro.S')
-rw-r--r-- | include/asm-arm/arch-realview/debug-macro.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-arm/arch-realview/debug-macro.S b/include/asm-arm/arch-realview/debug-macro.S new file mode 100644 index 000000000000..ed28bd012236 --- /dev/null +++ b/include/asm-arm/arch-realview/debug-macro.S | |||
@@ -0,0 +1,38 @@ | |||
1 | /* linux/include/asm-arm/arch-realview/debug-macro.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 | |||
14 | #include <asm/hardware/amba_serial.h> | ||
15 | |||
16 | .macro addruart,rx | ||
17 | mrc p15, 0, \rx, c1, c0 | ||
18 | tst \rx, #1 @ MMU enabled? | ||
19 | moveq \rx, #0x10000000 | ||
20 | movne \rx, #0xf1000000 @ virtual base | ||
21 | orr \rx, \rx, #0x00009000 | ||
22 | .endm | ||
23 | |||
24 | .macro senduart,rd,rx | ||
25 | strb \rd, [\rx, #UART01x_DR] | ||
26 | .endm | ||
27 | |||
28 | .macro waituart,rd,rx | ||
29 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | ||
30 | tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full | ||
31 | bne 1001b | ||
32 | .endm | ||
33 | |||
34 | .macro busyuart,rd,rx | ||
35 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | ||
36 | tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy | ||
37 | bne 1001b | ||
38 | .endm | ||