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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
commit49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch)
treef14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/mach-footbridge/include/mach/memory.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (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.h67
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