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31e967daab
We need a waituart macro. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
32 lines
660 B
ArmAsm
32 lines
660 B
ArmAsm
/* arch/arm/mach-shark/include/mach/debug-macro.S
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*
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* Debugging macro include header
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*
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* Copyright (C) 1994-1999 Russell King
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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.macro addruart, rx, tmp
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mov \rx, #0xe0000000
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orr \rx, \rx, #0x000003f8
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.endm
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.macro senduart,rd,rx
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strb \rd, [\rx]
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.endm
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.macro waituart,rd,rx
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.endm
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.macro busyuart,rd,rx
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mov \rd, #0
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1001: add \rd, \rd, #1
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teq \rd, #0x10000
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bne 1001b
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.endm
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