diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-05 11:14:15 -0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 04:55:48 -0400 |
commit | a09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch) | |
tree | 69689f467179891b498bd7423fcf61925173db31 /arch/arm/plat-omap/include/mach/memory.h | |
parent | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff) |
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-omap/include/mach/memory.h')
-rw-r--r-- | arch/arm/plat-omap/include/mach/memory.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/memory.h b/arch/arm/plat-omap/include/mach/memory.h new file mode 100644 index 00000000000..037486c5f4a --- /dev/null +++ b/arch/arm/plat-omap/include/mach/memory.h | |||
@@ -0,0 +1,103 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-omap/include/mach/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 arch/arm/mach-intergrator/include/mach/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 | */ | ||
32 | |||
33 | #ifndef __ASM_ARCH_MEMORY_H | ||
34 | #define __ASM_ARCH_MEMORY_H | ||
35 | |||
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 | ||
44 | |||
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 | */ | ||
50 | |||
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) | ||
56 | |||
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 | ||
65 | |||
66 | /* | ||
67 | * OMAP-1510 Local Bus address offset | ||
68 | */ | ||
69 | #define OMAP1510_LB_OFFSET UL(0x30000000) | ||
70 | |||
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_omap15xx() && dev && (strncmp(dev->bus_id, "ohci", 4) == 0)) | ||
74 | |||
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));}) | ||
78 | |||
79 | #define __arch_dma_to_virt(dev, addr) ({is_lbus_device(dev) ? \ | ||
80 | lbus_to_virt(addr) : \ | ||
81 | __bus_to_virt(addr);}) | ||
82 | |||
83 | #define __arch_virt_to_dma(dev, addr) ({is_lbus_device(dev) ? \ | ||
84 | virt_to_lbus(addr) : \ | ||
85 | __virt_to_bus(addr);}) | ||
86 | |||
87 | #endif /* CONFIG_ARCH_OMAP15XX */ | ||
88 | |||
89 | /* Override the ARM default */ | ||
90 | #ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE | ||
91 | |||
92 | #if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0) | ||
93 | #undef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE | ||
94 | #define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 2 | ||
95 | #endif | ||
96 | |||
97 | #define CONSISTENT_DMA_SIZE \ | ||
98 | (((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + 1) & ~1) * 1024 * 1024) | ||
99 | |||
100 | #endif | ||
101 | |||
102 | #endif | ||
103 | |||