ia64/linux-2.6.18-xen.hg

view arch/m32r/mm/cache.c @ 647:a5bb490065f6

Fix the build after public header sync.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Aug 13 14:01:49 2008 +0100 (2008-08-13)
parents 831230e53067
children
line source
1 /*
2 * linux/arch/m32r/mm/cache.c
3 *
4 * Copyright (C) 2002-2005 Hirokazu Takata, Hayato Fujiwara
5 */
7 #include <asm/pgtable.h>
9 #undef MCCR
11 #if defined(CONFIG_CHIP_XNUX2) || defined(CONFIG_CHIP_M32700) \
12 || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_OPSP)
13 /* Cache Control Register */
14 #define MCCR ((volatile unsigned long*)0xfffffffc)
15 #define MCCR_CC (1UL << 7) /* Cache mode modify bit */
16 #define MCCR_IIV (1UL << 6) /* I-cache invalidate */
17 #define MCCR_DIV (1UL << 5) /* D-cache invalidate */
18 #define MCCR_DCB (1UL << 4) /* D-cache copy back */
19 #define MCCR_ICM (1UL << 1) /* I-cache mode [0:off,1:on] */
20 #define MCCR_DCM (1UL << 0) /* D-cache mode [0:off,1:on] */
21 #define MCCR_ICACHE_INV (MCCR_CC|MCCR_IIV)
22 #define MCCR_DCACHE_CB (MCCR_CC|MCCR_DCB)
23 #define MCCR_DCACHE_CBINV (MCCR_CC|MCCR_DIV|MCCR_DCB)
24 #define CHECK_MCCR(mccr) (mccr = *MCCR)
25 #elif defined(CONFIG_CHIP_M32102)
26 #define MCCR ((volatile unsigned char*)0xfffffffe)
27 #define MCCR_IIV (1UL << 0) /* I-cache invalidate */
28 #define MCCR_ICACHE_INV MCCR_IIV
29 #elif defined(CONFIG_CHIP_M32104)
30 #define MCCR ((volatile unsigned short*)0xfffffffe)
31 #define MCCR_IIV (1UL << 8) /* I-cache invalidate */
32 #define MCCR_DIV (1UL << 9) /* D-cache invalidate */
33 #define MCCR_DCB (1UL << 10) /* D-cache copy back */
34 #define MCCR_ICM (1UL << 0) /* I-cache mode [0:off,1:on] */
35 #define MCCR_DCM (1UL << 1) /* D-cache mode [0:off,1:on] */
36 #define MCCR_ICACHE_INV MCCR_IIV
37 #define MCCR_DCACHE_CB MCCR_DCB
38 #define MCCR_DCACHE_CBINV (MCCR_DIV|MCCR_DCB)
39 #endif
41 #ifndef MCCR
42 #error Unknown cache type.
43 #endif
46 /* Copy back and invalidate D-cache and invalidate I-cache all */
47 void _flush_cache_all(void)
48 {
49 #if defined(CONFIG_CHIP_M32102)
50 unsigned char mccr;
51 *MCCR = MCCR_ICACHE_INV;
52 #elif defined(CONFIG_CHIP_M32104)
53 unsigned short mccr;
55 /* Copyback and invalidate D-cache */
56 /* Invalidate I-cache */
57 *MCCR |= (MCCR_ICACHE_INV | MCCR_DCACHE_CBINV);
58 #else
59 unsigned long mccr;
61 /* Copyback and invalidate D-cache */
62 /* Invalidate I-cache */
63 *MCCR = MCCR_ICACHE_INV | MCCR_DCACHE_CBINV;
64 #endif
65 while ((mccr = *MCCR) & MCCR_IIV); /* loop while invalidating... */
66 }
68 /* Copy back D-cache and invalidate I-cache all */
69 void _flush_cache_copyback_all(void)
70 {
71 #if defined(CONFIG_CHIP_M32102)
72 unsigned char mccr;
73 *MCCR = MCCR_ICACHE_INV;
74 #elif defined(CONFIG_CHIP_M32104)
75 unsigned short mccr;
77 /* Copyback and invalidate D-cache */
78 /* Invalidate I-cache */
79 *MCCR |= (MCCR_ICACHE_INV | MCCR_DCACHE_CB);
80 #else
81 unsigned long mccr;
83 /* Copyback D-cache */
84 /* Invalidate I-cache */
85 *MCCR = MCCR_ICACHE_INV | MCCR_DCACHE_CB;
86 #endif
87 while ((mccr = *MCCR) & MCCR_IIV); /* loop while invalidating... */
88 }