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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-pxa/include/mach/memory.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff)
downloadop-kernel-dev-49b75b87ce2dfbd99e59a50c3681b154d07e3a22.zip
op-kernel-dev-49b75b87ce2dfbd99e59a50c3681b154d07e3a22.tar.gz
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-pxa/include/mach/memory.h')
-rw-r--r--arch/arm/mach-pxa/include/mach/memory.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h
new file mode 100644
index 0000000..552eb7f
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/memory.h
@@ -0,0 +1,52 @@
+/*
+ * arch/arm/mach-pxa/include/mach/memory.h
+ *
+ * Author: Nicolas Pitre
+ * Copyright: (C) 2001 MontaVista Software Inc.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET UL(0xa0000000)
+
+/*
+ * Virtual view <-> DMA view memory address translations
+ * virt_to_bus: Used to translate the virtual address to an
+ * address suitable to be passed to set_dma_addr
+ * bus_to_virt: Used to convert an address for DMA operations
+ * to an address that the kernel can use.
+ */
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+/*
+ * The nodes are matched with the physical SDRAM banks as follows:
+ *
+ * node 0: 0xa0000000-0xa3ffffff --> 0xc0000000-0xc3ffffff
+ * node 1: 0xa4000000-0xa7ffffff --> 0xc4000000-0xc7ffffff
+ * node 2: 0xa8000000-0xabffffff --> 0xc8000000-0xcbffffff
+ * node 3: 0xac000000-0xafffffff --> 0xcc000000-0xcfffffff
+ *
+ * This needs a node mem size of 26 bits.
+ */
+#define NODE_MEM_SIZE_BITS 26
+
+#if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
+void cmx270_pci_adjust_zones(int node, unsigned long *size,
+ unsigned long *holes);
+
+#define arch_adjust_zones(node, size, holes) \
+ cmx270_pci_adjust_zones(node, size, holes)
+
+#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1)
+#endif
+
+#endif
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