xref: /rk3399_rockchip-uboot/arch/xtensa/include/asm/addrspace.h (revision c978b52410016b0ab5a213f235596340af8d45f7)
1*c978b524SChris Zankel /*
2*c978b524SChris Zankel  * Copyright (C) 2008-2013 Tensilica Inc.
3*c978b524SChris Zankel  * Copyright (C) 2016 Cadence Design Systems Inc.
4*c978b524SChris Zankel  *
5*c978b524SChris Zankel  * SPDX-License-Identifier:	GPL-2.0+
6*c978b524SChris Zankel  */
7*c978b524SChris Zankel 
8*c978b524SChris Zankel #ifndef _XTENSA_ADDRSPACE_H
9*c978b524SChris Zankel #define _XTENSA_ADDRSPACE_H
10*c978b524SChris Zankel 
11*c978b524SChris Zankel #include <asm/arch/core.h>
12*c978b524SChris Zankel 
13*c978b524SChris Zankel /*
14*c978b524SChris Zankel  * MMU Memory Map
15*c978b524SChris Zankel  *
16*c978b524SChris Zankel  * noMMU and v3 MMU have identity mapped address space on reset.
17*c978b524SChris Zankel  * V2 MMU:
18*c978b524SChris Zankel  *   IO (uncached)	f0000000..ffffffff	-> f000000
19*c978b524SChris Zankel  *   IO (cached)	e0000000..efffffff	-> f000000
20*c978b524SChris Zankel  *   MEM (uncached)	d8000000..dfffffff	-> 0000000
21*c978b524SChris Zankel  *   MEM (cached)	d0000000..d7ffffff	-> 0000000
22*c978b524SChris Zankel  *
23*c978b524SChris Zankel  * The actual location of memory and IO is the board property.
24*c978b524SChris Zankel  */
25*c978b524SChris Zankel 
26*c978b524SChris Zankel #define IOADDR(x)		(CONFIG_SYS_IO_BASE + (x))
27*c978b524SChris Zankel #define MEMADDR(x)		(CONFIG_SYS_MEMORY_BASE + (x))
28*c978b524SChris Zankel #define PHYSADDR(x)		((x) - XCHAL_VECBASE_RESET_VADDR + \
29*c978b524SChris Zankel 				 XCHAL_VECBASE_RESET_PADDR)
30*c978b524SChris Zankel 
31*c978b524SChris Zankel #endif	/* _XTENSA_ADDRSPACE_H */
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