diff options
-rw-r--r-- | arch/arm/include/asm/glue-cache.h | 8 | ||||
-rw-r--r-- | arch/arm/mm/Kconfig | 5 | ||||
-rw-r--r-- | arch/arm/mm/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mm/cache-v3.S | 137 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm740.S | 2 |
5 files changed, 2 insertions, 151 deletions
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index cca9f15704ed..ea289e1435e7 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h | |||
@@ -19,14 +19,6 @@ | |||
19 | #undef _CACHE | 19 | #undef _CACHE |
20 | #undef MULTI_CACHE | 20 | #undef MULTI_CACHE |
21 | 21 | ||
22 | #if defined(CONFIG_CPU_CACHE_V3) | ||
23 | # ifdef _CACHE | ||
24 | # define MULTI_CACHE 1 | ||
25 | # else | ||
26 | # define _CACHE v3 | ||
27 | # endif | ||
28 | #endif | ||
29 | |||
30 | #if defined(CONFIG_CPU_CACHE_V4) | 22 | #if defined(CONFIG_CPU_CACHE_V4) |
31 | # ifdef _CACHE | 23 | # ifdef _CACHE |
32 | # define MULTI_CACHE 1 | 24 | # define MULTI_CACHE 1 |
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 025d17328730..4045c4931a30 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig | |||
@@ -43,7 +43,7 @@ config CPU_ARM740T | |||
43 | depends on !MMU | 43 | depends on !MMU |
44 | select CPU_32v4T | 44 | select CPU_32v4T |
45 | select CPU_ABRT_LV4T | 45 | select CPU_ABRT_LV4T |
46 | select CPU_CACHE_V3 # although the core is v4t | 46 | select CPU_CACHE_V4 |
47 | select CPU_CP15_MPU | 47 | select CPU_CP15_MPU |
48 | select CPU_PABRT_LEGACY | 48 | select CPU_PABRT_LEGACY |
49 | help | 49 | help |
@@ -469,9 +469,6 @@ config CPU_PABRT_V7 | |||
469 | bool | 469 | bool |
470 | 470 | ||
471 | # The cache model | 471 | # The cache model |
472 | config CPU_CACHE_V3 | ||
473 | bool | ||
474 | |||
475 | config CPU_CACHE_V4 | 472 | config CPU_CACHE_V4 |
476 | bool | 473 | bool |
477 | 474 | ||
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 4e333fa2756f..9e51be96f635 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile | |||
@@ -33,7 +33,6 @@ obj-$(CONFIG_CPU_PABRT_LEGACY) += pabort-legacy.o | |||
33 | obj-$(CONFIG_CPU_PABRT_V6) += pabort-v6.o | 33 | obj-$(CONFIG_CPU_PABRT_V6) += pabort-v6.o |
34 | obj-$(CONFIG_CPU_PABRT_V7) += pabort-v7.o | 34 | obj-$(CONFIG_CPU_PABRT_V7) += pabort-v7.o |
35 | 35 | ||
36 | obj-$(CONFIG_CPU_CACHE_V3) += cache-v3.o | ||
37 | obj-$(CONFIG_CPU_CACHE_V4) += cache-v4.o | 36 | obj-$(CONFIG_CPU_CACHE_V4) += cache-v4.o |
38 | obj-$(CONFIG_CPU_CACHE_V4WT) += cache-v4wt.o | 37 | obj-$(CONFIG_CPU_CACHE_V4WT) += cache-v4wt.o |
39 | obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o | 38 | obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o |
diff --git a/arch/arm/mm/cache-v3.S b/arch/arm/mm/cache-v3.S deleted file mode 100644 index 8a3fadece8d3..000000000000 --- a/arch/arm/mm/cache-v3.S +++ /dev/null | |||
@@ -1,137 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mm/cache-v3.S | ||
3 | * | ||
4 | * Copyright (C) 1997-2002 Russell king | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | #include <linux/linkage.h> | ||
11 | #include <linux/init.h> | ||
12 | #include <asm/page.h> | ||
13 | #include "proc-macros.S" | ||
14 | |||
15 | /* | ||
16 | * flush_icache_all() | ||
17 | * | ||
18 | * Unconditionally clean and invalidate the entire icache. | ||
19 | */ | ||
20 | ENTRY(v3_flush_icache_all) | ||
21 | mov pc, lr | ||
22 | ENDPROC(v3_flush_icache_all) | ||
23 | |||
24 | /* | ||
25 | * flush_user_cache_all() | ||
26 | * | ||
27 | * Invalidate all cache entries in a particular address | ||
28 | * space. | ||
29 | * | ||
30 | * - mm - mm_struct describing address space | ||
31 | */ | ||
32 | ENTRY(v3_flush_user_cache_all) | ||
33 | /* FALLTHROUGH */ | ||
34 | /* | ||
35 | * flush_kern_cache_all() | ||
36 | * | ||
37 | * Clean and invalidate the entire cache. | ||
38 | */ | ||
39 | ENTRY(v3_flush_kern_cache_all) | ||
40 | /* FALLTHROUGH */ | ||
41 | |||
42 | /* | ||
43 | * flush_user_cache_range(start, end, flags) | ||
44 | * | ||
45 | * Invalidate a range of cache entries in the specified | ||
46 | * address space. | ||
47 | * | ||
48 | * - start - start address (may not be aligned) | ||
49 | * - end - end address (exclusive, may not be aligned) | ||
50 | * - flags - vma_area_struct flags describing address space | ||
51 | */ | ||
52 | ENTRY(v3_flush_user_cache_range) | ||
53 | mov ip, #0 | ||
54 | mcreq p15, 0, ip, c7, c0, 0 @ flush ID cache | ||
55 | mov pc, lr | ||
56 | |||
57 | /* | ||
58 | * coherent_kern_range(start, end) | ||
59 | * | ||
60 | * Ensure coherency between the Icache and the Dcache in the | ||
61 | * region described by start. If you have non-snooping | ||
62 | * Harvard caches, you need to implement this function. | ||
63 | * | ||
64 | * - start - virtual start address | ||
65 | * - end - virtual end address | ||
66 | */ | ||
67 | ENTRY(v3_coherent_kern_range) | ||
68 | /* FALLTHROUGH */ | ||
69 | |||
70 | /* | ||
71 | * coherent_user_range(start, end) | ||
72 | * | ||
73 | * Ensure coherency between the Icache and the Dcache in the | ||
74 | * region described by start. If you have non-snooping | ||
75 | * Harvard caches, you need to implement this function. | ||
76 | * | ||
77 | * - start - virtual start address | ||
78 | * - end - virtual end address | ||
79 | */ | ||
80 | ENTRY(v3_coherent_user_range) | ||
81 | mov r0, #0 | ||
82 | mov pc, lr | ||
83 | |||
84 | /* | ||
85 | * flush_kern_dcache_area(void *page, size_t size) | ||
86 | * | ||
87 | * Ensure no D cache aliasing occurs, either with itself or | ||
88 | * the I cache | ||
89 | * | ||
90 | * - addr - kernel address | ||
91 | * - size - region size | ||
92 | */ | ||
93 | ENTRY(v3_flush_kern_dcache_area) | ||
94 | /* FALLTHROUGH */ | ||
95 | |||
96 | /* | ||
97 | * dma_flush_range(start, end) | ||
98 | * | ||
99 | * Clean and invalidate the specified virtual address range. | ||
100 | * | ||
101 | * - start - virtual start address | ||
102 | * - end - virtual end address | ||
103 | */ | ||
104 | ENTRY(v3_dma_flush_range) | ||
105 | mov r0, #0 | ||
106 | mcr p15, 0, r0, c7, c0, 0 @ flush ID cache | ||
107 | mov pc, lr | ||
108 | |||
109 | /* | ||
110 | * dma_unmap_area(start, size, dir) | ||
111 | * - start - kernel virtual start address | ||
112 | * - size - size of region | ||
113 | * - dir - DMA direction | ||
114 | */ | ||
115 | ENTRY(v3_dma_unmap_area) | ||
116 | teq r2, #DMA_TO_DEVICE | ||
117 | bne v3_dma_flush_range | ||
118 | /* FALLTHROUGH */ | ||
119 | |||
120 | /* | ||
121 | * dma_map_area(start, size, dir) | ||
122 | * - start - kernel virtual start address | ||
123 | * - size - size of region | ||
124 | * - dir - DMA direction | ||
125 | */ | ||
126 | ENTRY(v3_dma_map_area) | ||
127 | mov pc, lr | ||
128 | ENDPROC(v3_dma_unmap_area) | ||
129 | ENDPROC(v3_dma_map_area) | ||
130 | |||
131 | .globl v3_flush_kern_cache_louis | ||
132 | .equ v3_flush_kern_cache_louis, v3_flush_kern_cache_all | ||
133 | |||
134 | __INITDATA | ||
135 | |||
136 | @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) | ||
137 | define_cache_functions v3 | ||
diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S index dc5de5d53f20..2088234978c4 100644 --- a/arch/arm/mm/proc-arm740.S +++ b/arch/arm/mm/proc-arm740.S | |||
@@ -145,5 +145,5 @@ __arm740_proc_info: | |||
145 | .long arm740_processor_functions | 145 | .long arm740_processor_functions |
146 | .long 0 | 146 | .long 0 |
147 | .long 0 | 147 | .long 0 |
148 | .long v3_cache_fns @ cache model | 148 | .long v4_cache_fns @ cache model |
149 | .size __arm740_proc_info, . - __arm740_proc_info | 149 | .size __arm740_proc_info, . - __arm740_proc_info |