| /* |
| * linux/include/asm-arm/arch-pxa/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 |