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0ea1293009
Rather than checking the MMU status in every instance of addruart, do it once in kernel/debug.S, and change the existing addruart macros to return both physical and virtual addresses. The main debug code can then select the appropriate address to use. This will also allow us to retreive the address of a uart for the MMU state that we're not current in. Updated with fixes for OMAP from Jason Wang <jason77.wang@gmail.com> and Tony Lindgren <tony@atomide.com>, and fix for versatile express from Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Jason Wang <jason77.wang@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
19 lines
490 B
ArmAsm
19 lines
490 B
ArmAsm
/*
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* arch/arm/mach-dove/include/mach/debug-macro.S
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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/bridge-regs.h>
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.macro addruart, rp, rv
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ldr \rp, =DOVE_SB_REGS_PHYS_BASE
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ldr \rv, =DOVE_SB_REGS_VIRT_BASE
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orr \rp, \rp, #0x00012000
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orr \rv, \rv, #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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