forked from Minki/linux
39a982b4cd
Allow the UART used for DEBUG_LL to be selected. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
29 lines
747 B
ArmAsm
29 lines
747 B
ArmAsm
/*
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* Debugging macro include header
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*
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* Copyright (C) 2009 ST-Ericsson
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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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#include <mach/hardware.h>
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#if CONFIG_UX500_DEBUG_UART > 2
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#error Invalid Ux500 debug UART
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#endif
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#define __UX500_UART(n) UX500_UART##n##_BASE
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#define UX500_UART(n) __UX500_UART(n)
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#define UART_BASE UX500_UART(CONFIG_UX500_DEBUG_UART)
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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, =UART_BASE @ no, physical address
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ldrne \rx, =IO_ADDRESS(UART_BASE) @ yes, virtual address
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.endm
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#include <asm/hardware/debug-pl01x.S>
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