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Diffstat (limited to 'include/asm-arm/arch-l7200/debug-macro.S')
-rw-r--r-- | include/asm-arm/arch-l7200/debug-macro.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/asm-arm/arch-l7200/debug-macro.S b/include/asm-arm/arch-l7200/debug-macro.S new file mode 100644 index 000000000000..846473318e8b --- /dev/null +++ b/include/asm-arm/arch-l7200/debug-macro.S | |||
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1 | /* linux/include/asm-arm/arch-l7200/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 | .equ io_virt, IO_BASE | ||
15 | .equ io_phys, IO_START | ||
16 | |||
17 | .macro addruart,rx | ||
18 | mrc p15, 0, \rx, c1, c0 | ||
19 | tst \rx, #1 @ MMU enabled? | ||
20 | moveq \rx, #io_phys @ physical base address | ||
21 | movne \rx, #io_virt @ virtual address | ||
22 | add \rx, \rx, #0x00044000 @ UART1 | ||
23 | @ add \rx, \rx, #0x00045000 @ UART2 | ||
24 | .endm | ||
25 | |||
26 | .macro senduart,rd,rx | ||
27 | str \rd, [\rx, #0x0] @ UARTDR | ||
28 | .endm | ||
29 | |||
30 | .macro waituart,rd,rx | ||
31 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | ||
32 | tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full | ||
33 | bne 1001b | ||
34 | .endm | ||
35 | |||
36 | .macro busyuart,rd,rx | ||
37 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | ||
38 | tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy | ||
39 | bne 1001b | ||
40 | .endm | ||