diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
commit | 49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch) | |
tree | f14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/mach-footbridge/include/mach/memory.h | |
parent | f1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff) | |
parent | 097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff) |
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB
[ARM] 5166/1: magician: add MAINTAINERS entry
[ARM] fix pnx4008 build errors
[ARM] Fix SMP booting with non-zero PHYS_OFFSET
[ARM] 5185/1: Fix spi num_chipselect for lubbock
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
[ARM] Eliminate useless includes of asm/mach-types.h
[ARM] Fix circular include dependency with IRQ headers
avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>
avr32: Introduce arch/avr32/mach-*/include/mach
avr32: Move include/asm-avr32 to arch/avr32/include/asm
[ARM] sa1100_wdt: use reset_status to remember watchdog reset status
[ARM] pxa: introduce reset_status and clear_reset_status for driver's usage
[ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/mach-footbridge/include/mach/memory.h')
-rw-r--r-- | arch/arm/mach-footbridge/include/mach/memory.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h new file mode 100644 index 00000000000..e9cae99dd1f --- /dev/null +++ b/arch/arm/mach-footbridge/include/mach/memory.h @@ -0,0 +1,67 @@ +/* + * arch/arm/mach-footbridge/include/mach/memory.h + * + * Copyright (C) 1996-1999 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Changelog: + * 20-Oct-1996 RMK Created + * 31-Dec-1997 RMK Fixed definitions to reduce warnings. + * 17-May-1998 DAG Added __virt_to_bus and __bus_to_virt functions. + * 21-Nov-1998 RMK Changed __virt_to_bus and __bus_to_virt to macros. + * 21-Mar-1999 RMK Added PAGE_OFFSET for co285 architecture. + * Renamed to memory.h + * Moved PAGE_OFFSET and TASK_SIZE here + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + + +#if defined(CONFIG_FOOTBRIDGE_ADDIN) +/* + * If we may be using add-in footbridge mode, then we must + * use the out-of-line translation that makes use of the + * PCI BAR + */ +#ifndef __ASSEMBLY__ +extern unsigned long __virt_to_bus(unsigned long); +extern unsigned long __bus_to_virt(unsigned long); +#endif + +#elif defined(CONFIG_FOOTBRIDGE_HOST) + +#define __virt_to_bus(x) ((x) - 0xe0000000) +#define __bus_to_virt(x) ((x) + 0xe0000000) + +#else + +#error "Undefined footbridge mode" + +#endif + +/* Task size and page offset at 3GB */ +#define TASK_SIZE UL(0xbf000000) +#define PAGE_OFFSET UL(0xc0000000) + +/* + * Cache flushing area. + */ +#define FLUSH_BASE 0xf9000000 + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET UL(0x00000000) + +/* + * This decides where the kernel will search for a free chunk of vm + * space during mmap's. + */ +#define TASK_UNMAPPED_BASE ((TASK_SIZE + 0x01000000) / 3) + +#define FLUSH_BASE_PHYS 0x50000000 + +#endif |