f4117ac9e2
This uncouple PHYS_OFFSET from the platform definitions, thereby facilitating run-time computation of the physical memory offset. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Magnus Damm <damm@opensource.se> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: Jiandong Zheng <jdzheng@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
31 lines
1,000 B
C
31 lines
1,000 B
C
/*
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* arch/arm/mach-ixp2000/include/mach/memory.h
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*
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* Copyright (c) 2002 Intel Corp.
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* Copyright (c) 2003-2004 MontaVista Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef __ASM_ARCH_MEMORY_H
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#define __ASM_ARCH_MEMORY_H
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#define PLAT_PHYS_OFFSET UL(0x00000000)
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#include <mach/ixp2000-regs.h>
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#define IXP2000_PCI_SDRAM_OFFSET (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)
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#define __phys_to_bus(x) ((x) + (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET))
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#define __bus_to_phys(x) ((x) - (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET))
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#define __virt_to_bus(v) __phys_to_bus(__virt_to_phys(v))
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#define __bus_to_virt(b) __phys_to_virt(__bus_to_phys(b))
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#define __pfn_to_bus(p) __phys_to_bus(__pfn_to_phys(p))
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#define __bus_to_pfn(b) __phys_to_pfn(__bus_to_phys(b))
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#endif
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