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authorDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
committerDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /arch/arm/include/asm/cacheflush.h
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'arch/arm/include/asm/cacheflush.h')
-rw-r--r--arch/arm/include/asm/cacheflush.h136
1 files changed, 4 insertions, 132 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 3acd8fa25e34..d5d8d5c72682 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -12,7 +12,7 @@
12 12
13#include <linux/mm.h> 13#include <linux/mm.h>
14 14
15#include <asm/glue.h> 15#include <asm/glue-cache.h>
16#include <asm/shmparam.h> 16#include <asm/shmparam.h>
17#include <asm/cachetype.h> 17#include <asm/cachetype.h>
18#include <asm/outercache.h> 18#include <asm/outercache.h>
@@ -20,123 +20,6 @@
20#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) 20#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
21 21
22/* 22/*
23 * Cache Model
24 * ===========
25 */
26#undef _CACHE
27#undef MULTI_CACHE
28
29#if defined(CONFIG_CPU_CACHE_V3)
30# ifdef _CACHE
31# define MULTI_CACHE 1
32# else
33# define _CACHE v3
34# endif
35#endif
36
37#if defined(CONFIG_CPU_CACHE_V4)
38# ifdef _CACHE
39# define MULTI_CACHE 1
40# else
41# define _CACHE v4
42# endif
43#endif
44
45#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \
46 defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \
47 defined(CONFIG_CPU_ARM1026)
48# define MULTI_CACHE 1
49#endif
50
51#if defined(CONFIG_CPU_FA526)
52# ifdef _CACHE
53# define MULTI_CACHE 1
54# else
55# define _CACHE fa
56# endif
57#endif
58
59#if defined(CONFIG_CPU_ARM926T)
60# ifdef _CACHE
61# define MULTI_CACHE 1
62# else
63# define _CACHE arm926
64# endif
65#endif
66
67#if defined(CONFIG_CPU_ARM940T)
68# ifdef _CACHE
69# define MULTI_CACHE 1
70# else
71# define _CACHE arm940
72# endif
73#endif
74
75#if defined(CONFIG_CPU_ARM946E)
76# ifdef _CACHE
77# define MULTI_CACHE 1
78# else
79# define _CACHE arm946
80# endif
81#endif
82
83#if defined(CONFIG_CPU_CACHE_V4WB)
84# ifdef _CACHE
85# define MULTI_CACHE 1
86# else
87# define _CACHE v4wb
88# endif
89#endif
90
91#if defined(CONFIG_CPU_XSCALE)
92# ifdef _CACHE
93# define MULTI_CACHE 1
94# else
95# define _CACHE xscale
96# endif
97#endif
98
99#if defined(CONFIG_CPU_XSC3)
100# ifdef _CACHE
101# define MULTI_CACHE 1
102# else
103# define _CACHE xsc3
104# endif
105#endif
106
107#if defined(CONFIG_CPU_MOHAWK)
108# ifdef _CACHE
109# define MULTI_CACHE 1
110# else
111# define _CACHE mohawk
112# endif
113#endif
114
115#if defined(CONFIG_CPU_FEROCEON)
116# define MULTI_CACHE 1
117#endif
118
119#if defined(CONFIG_CPU_V6)
120//# ifdef _CACHE
121# define MULTI_CACHE 1
122//# else
123//# define _CACHE v6
124//# endif
125#endif
126
127#if defined(CONFIG_CPU_V7)
128//# ifdef _CACHE
129# define MULTI_CACHE 1
130//# else
131//# define _CACHE v7
132//# endif
133#endif
134
135#if !defined(_CACHE) && !defined(MULTI_CACHE)
136#error Unknown cache maintainence model
137#endif
138
139/*
140 * This flag is used to indicate that the page pointed to by a pte is clean 23 * This flag is used to indicate that the page pointed to by a pte is clean
141 * and does not require cleaning before returning it to the user. 24 * and does not require cleaning before returning it to the user.
142 */ 25 */
@@ -249,19 +132,11 @@ extern struct cpu_cache_fns cpu_cache;
249 * visible to the CPU. 132 * visible to the CPU.
250 */ 133 */
251#define dmac_map_area cpu_cache.dma_map_area 134#define dmac_map_area cpu_cache.dma_map_area
252#define dmac_unmap_area cpu_cache.dma_unmap_area 135#define dmac_unmap_area cpu_cache.dma_unmap_area
253#define dmac_flush_range cpu_cache.dma_flush_range 136#define dmac_flush_range cpu_cache.dma_flush_range
254 137
255#else 138#else
256 139
257#define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all)
258#define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all)
259#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all)
260#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range)
261#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range)
262#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range)
263#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area)
264
265extern void __cpuc_flush_icache_all(void); 140extern void __cpuc_flush_icache_all(void);
266extern void __cpuc_flush_kern_all(void); 141extern void __cpuc_flush_kern_all(void);
267extern void __cpuc_flush_user_all(void); 142extern void __cpuc_flush_user_all(void);
@@ -276,10 +151,6 @@ extern void __cpuc_flush_dcache_area(void *, size_t);
276 * is visible to DMA, or data written by DMA to system memory is 151 * is visible to DMA, or data written by DMA to system memory is
277 * visible to the CPU. 152 * visible to the CPU.
278 */ 153 */
279#define dmac_map_area __glue(_CACHE,_dma_map_area)
280#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
281#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
282
283extern void dmac_map_area(const void *, size_t, int); 154extern void dmac_map_area(const void *, size_t, int);
284extern void dmac_unmap_area(const void *, size_t, int); 155extern void dmac_unmap_area(const void *, size_t, int);
285extern void dmac_flush_range(const void *, const void *); 156extern void dmac_flush_range(const void *, const void *);
@@ -316,7 +187,8 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *,
316 * Optimized __flush_icache_all for the common cases. Note that UP ARMv7 187 * Optimized __flush_icache_all for the common cases. Note that UP ARMv7
317 * will fall through to use __flush_icache_all_generic. 188 * will fall through to use __flush_icache_all_generic.
318 */ 189 */
319#if (defined(CONFIG_CPU_V7) && defined(CONFIG_CPU_V6)) || \ 190#if (defined(CONFIG_CPU_V7) && \
191 (defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K))) || \
320 defined(CONFIG_SMP_ON_UP) 192 defined(CONFIG_SMP_ON_UP)
321#define __flush_icache_preferred __cpuc_flush_icache_all 193#define __flush_icache_preferred __cpuc_flush_icache_all
322#elif __LINUX_ARM_ARCH__ >= 7 && defined(CONFIG_SMP) 194#elif __LINUX_ARM_ARCH__ >= 7 && defined(CONFIG_SMP)