blob: d9927b22f37515802e4703035433e5b40d18897d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/*
* memory.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <mach/platform.h>
#include <plat/aspeed.h>
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#if defined(AST_SOC_G3) || defined(AST_SOC_G4)
#define PHYS_OFFSET UL(0x40000000)
#define BUS_OFFSET UL(0x40000000)
#elif defined(AST_SOC_G5)
#define PHYS_OFFSET UL(0x80000000)
#define BUS_OFFSET UL(0x80000000)
#else
#define PHYS_OFFSET UL(0x40000000)
#define BUS_OFFSET UL(0x40000000)
#endif
/*
* 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) (x - PAGE_OFFSET + BUS_OFFSET)
#define __bus_to_virt(x) (x - BUS_OFFSET + PAGE_OFFSET)
#endif
|
