1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1999 by Kaz Kojima
7 *
8 * Defitions for the address spaces of the SH CPUs.
9 */
10 #ifndef __ASM_SH_ADDRSPACE_H
11 #define __ASM_SH_ADDRSPACE_H
12
13 /* Memory segments (32bit Priviledged mode addresses) */
14 #define P0SEG 0x00000000
15 #define P1SEG 0x80000000
16 #define P2SEG 0xa0000000
17 #define P3SEG 0xc0000000
18 #define P4SEG 0xe0000000
19
20 #if defined(__sh3__)
21 /* Should fill here */
22 #elif defined(__SH4__)
23 /* Detailed P4SEG */
24 #define P4SEG_STORE_QUE (P4SEG)
25 #define P4SEG_IC_ADDR 0xf0000000
26 #define P4SEG_IC_DATA 0xf1000000
27 #define P4SEG_ITLB_ADDR 0xf2000000
28 #define P4SEG_ITLB_DATA 0xf3000000
29 #define P4SEG_OC_ADDR 0xf4000000
30 #define P4SEG_OC_DATA 0xf5000000
31 #define P4SEG_TLB_ADDR 0xf6000000
32 #define P4SEG_TLB_DATA 0xf7000000
33 #define P4SEG_REG_BASE 0xff000000
34 #endif
35
36 /* Returns the privileged segment base of a given address */
37 #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
38
39 /* Returns the physical address of a PnSEG (n=1,2) address */
40 #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
41
42 /*
43 * Map an address to a certain privileged segment
44 */
45 #define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
46 #define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
47 #define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
48 #define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
49
50 #endif /* __ASM_SH_ADDRSPACE_H */
51
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