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awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
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/* arch/arm/mach-ixp4xx/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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.macro addruart, rp, rv
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#ifdef __ARMEB__
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mov \rp, #3 @ Uart regs are at off set of 3 if
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@ byte writes used - Big Endian.
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#else
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mov \rp, #0
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#endif
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orr \rv, \rp, #0xff000000 @ virtual
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orr \rv, \rv, #0x00b00000
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orr \rp, \rp, #0xc8000000 @ physical
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.endm
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#define UART_SHIFT 2
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#include <asm/hardware/debug-8250.S>
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