ia64/linux-2.6.18-xen.hg

view include/asm-sh64/dma.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #ifndef __ASM_SH64_DMA_H
2 #define __ASM_SH64_DMA_H
4 /*
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details.
8 *
9 * include/asm-sh64/dma.h
10 *
11 * Copyright (C) 2000, 2001 Paolo Alberelli
12 * Copyright (C) 2003 Paul Mundt
13 *
14 */
16 #include <linux/mm.h>
17 #include <asm/io.h>
18 #include <asm/pgtable.h>
20 #define MAX_DMA_CHANNELS 4
22 /*
23 * SH5 can DMA in any memory area.
24 *
25 * The static definition is dodgy because it should limit
26 * the highest DMA-able address based on the actual
27 * Physical memory available. This is actually performed
28 * at run time in defining the memory allowed to DMA_ZONE.
29 */
30 #define MAX_DMA_ADDRESS ~(NPHYS_MASK)
32 #define DMA_MODE_READ 0
33 #define DMA_MODE_WRITE 1
35 #ifdef CONFIG_PCI
36 extern int isa_dma_bridge_buggy;
37 #else
38 #define isa_dma_bridge_buggy (0)
39 #endif
41 #endif /* __ASM_SH64_DMA_H */