e99053e075
Patch from Lennert Buytenhek The xscale UART in the ixp2000 is basically just an 8250 UART (with some extra bits and pieces), so we can use the generic 8250 debug macros on the ixp2000. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
28 lines
725 B
ArmAsm
28 lines
725 B
ArmAsm
/* linux/include/asm-arm/arch-ixp2000/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
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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moveq \rx, #0xc0000000 @ Physical base
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movne \rx, #0xfe000000 @ virtual base
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orrne \rx, \rx, #0x00f00000
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orr \rx, \rx, #0x00030000
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#ifdef __ARMEB__
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orr \rx, \rx, #0x00000003
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#endif
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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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