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arm: return both physical and virtual addresses from addruart
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a09e64fb 1/* arch/arm/mach-aaec2000/include/mach/debug-macro.S
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2 *
3 * Debugging macro include header
4 *
5 * Copyright (c) 2005 Nicolas Bellido Y Ortega
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
9a708bec 12#include "hardware.h"
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13 .macro addruart, rp, rv
14 mov \rp, 0x00000800
15 orr \rv, \rp, #io_p2v(0x80000000) @ virtual
16 orr \rp, \rp, #0x80000000 @ physical
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17 .endm
18
19 .macro senduart,rd,rx
20 str \rd, [\rx, #0]
21 .endm
22
23 .macro busyuart,rd,rx
241002: ldr \rd, [\rx, #0x10]
25 tst \rd, #(1 << 7)
26 beq 1002b
27 .endm
28
29 .macro waituart,rd,rx
30#if 0
311001: ldr \rd, [\rx, #0x10]
32 tst \rd, #(1 << 5)
33 beq 1001b
34#endif
35 .endm