ia64/linux-2.6.18-xen.hg

view include/asm-arm/arch-omap/memory.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 /*
2 * linux/include/asm-arm/arch-omap/memory.h
3 *
4 * Memory map for OMAP-1510 and 1610
5 *
6 * Copyright (C) 2000 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
8 *
9 * This file was derived from linux/include/asm-arm/arch-intergrator/memory.h
10 * Copyright (C) 1999 ARM Limited
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 *
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
20 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * You should have received a copy of the GNU General Public License along
29 * with this program; if not, write to the Free Software Foundation, Inc.,
30 * 675 Mass Ave, Cambridge, MA 02139, USA.
31 */
33 #ifndef __ASM_ARCH_MEMORY_H
34 #define __ASM_ARCH_MEMORY_H
36 /*
37 * Physical DRAM offset.
38 */
39 #if defined(CONFIG_ARCH_OMAP1)
40 #define PHYS_OFFSET UL(0x10000000)
41 #elif defined(CONFIG_ARCH_OMAP2)
42 #define PHYS_OFFSET UL(0x80000000)
43 #endif
45 /*
46 * Conversion between SDRAM and fake PCI bus, used by USB
47 * NOTE: Physical address must be converted to Local Bus address
48 * on OMAP-1510 only
49 */
51 /*
52 * Bus address is physical address, except for OMAP-1510 Local Bus.
53 */
54 #define __virt_to_bus(x) __virt_to_phys(x)
55 #define __bus_to_virt(x) __phys_to_virt(x)
57 /*
58 * OMAP-1510 bus address is translated into a Local Bus address if the
59 * OMAP bus type is lbus. We do the address translation based on the
60 * device overriding the defaults used in the dma-mapping API.
61 * Note that the is_lbus_device() test is not very efficient on 1510
62 * because of the strncmp().
63 */
64 #ifdef CONFIG_ARCH_OMAP15XX
66 /*
67 * OMAP-1510 Local Bus address offset
68 */
69 #define OMAP1510_LB_OFFSET UL(0x30000000)
71 #define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
72 #define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
73 #define is_lbus_device(dev) (cpu_is_omap1510() && dev && (strncmp(dev->bus_id, "ohci", 4) == 0))
75 #define __arch_page_to_dma(dev, page) ({is_lbus_device(dev) ? \
76 (dma_addr_t)virt_to_lbus(page_address(page)) : \
77 (dma_addr_t)__virt_to_bus(page_address(page));})
79 #define __arch_dma_to_virt(dev, addr) ({is_lbus_device(dev) ? \
80 lbus_to_virt(addr) : \
81 __bus_to_virt(addr);})
83 #define __arch_virt_to_dma(dev, addr) ({is_lbus_device(dev) ? \
84 virt_to_lbus(addr) : \
85 __virt_to_bus(addr);})
87 #endif /* CONFIG_ARCH_OMAP15XX */
89 #endif