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4e6d488af3
Otherwise more complicated uart configuration won't be possible. We can use r1 for tmp register for both head.S and debug.S. NOTE: This patch depends on another patch to add the the tmp register into all debug-macro.S files. That can be done with: $ sed -i -e "s/addruart,rx|addruart, rx/addruart, rx, tmp/" arch/arm/*/include/*/debug-macro.S Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
23 lines
562 B
ArmAsm
23 lines
562 B
ArmAsm
/*
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* arch/arm/mach-orion5x/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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* 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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#include <mach/orion5x.h>
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.macro addruart, rx, tmp
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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ldreq \rx, =ORION5X_REGS_PHYS_BASE
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ldrne \rx, =ORION5X_REGS_VIRT_BASE
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orr \rx, \rx, #0x00012000
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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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