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-rw-r--r--arch/arm/include/asm/cacheflush.h15
-rw-r--r--arch/arm/include/asm/delay.h11
-rw-r--r--arch/arm/include/asm/elf.h4
-rw-r--r--arch/arm/include/asm/io.h6
-rw-r--r--arch/arm/include/asm/outercache.h14
-rw-r--r--arch/arm/include/asm/setup.h21
-rw-r--r--arch/arm/include/asm/smp_twd.h8
7 files changed, 76 insertions, 3 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index d5d8d5c7268..a4bf3199819 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -84,6 +84,14 @@
* - kaddr - page address
* - size - region size
*
+ * clean_dcache_all()
+ *
+ * Cleans the entire d-cache.
+ *
+ * flush_dcache_all()
+ *
+ * Flushes the entire d-cache.
+ *
* DMA Cache Coherency
* ===================
*
@@ -104,6 +112,9 @@ struct cpu_cache_fns {
void (*coherent_user_range)(unsigned long, unsigned long);
void (*flush_kern_dcache_area)(void *, size_t);
+ void (*clean_dcache_all)(void);
+ void (*flush_dcache_all)(void);
+
void (*dma_map_area)(const void *, size_t, int);
void (*dma_unmap_area)(const void *, size_t, int);
@@ -124,6 +135,8 @@ extern struct cpu_cache_fns cpu_cache;
#define __cpuc_coherent_kern_range cpu_cache.coherent_kern_range
#define __cpuc_coherent_user_range cpu_cache.coherent_user_range
#define __cpuc_flush_dcache_area cpu_cache.flush_kern_dcache_area
+#define __cpuc_clean_dcache_all cpu_cache.clean_dcache_all
+#define __cpuc_flush_dcache_all cpu_cache.flush_dcache_all
/*
* These are private to the dma-mapping API. Do not use directly.
@@ -144,6 +157,8 @@ extern void __cpuc_flush_user_range(unsigned long, unsigned long, unsigned int);
extern void __cpuc_coherent_kern_range(unsigned long, unsigned long);
extern void __cpuc_coherent_user_range(unsigned long, unsigned long);
extern void __cpuc_flush_dcache_area(void *, size_t);
+extern void __cpuc_clean_dcache_all(void);
+extern void __cpuc_flush_dcache_all(void);
/*
* These are private to the dma-mapping API. Do not use directly.
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index b2deda18154..91063a3976f 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -8,7 +8,7 @@
#include <asm/param.h> /* HZ */
-extern void __delay(int loops);
+extern void __delay(unsigned long loops);
/*
* This function intentionally does not exist; if you see references to
@@ -40,5 +40,14 @@ extern void __const_udelay(unsigned long);
__const_udelay((n) * ((2199023U*HZ)>>11))) : \
__udelay(n))
+extern void (*delay_fn)(unsigned long);
+
+static inline void set_delay_fn(void (*fn)(unsigned long))
+{
+ delay_fn = fn;
+}
+
+extern void read_current_timer_delay_loop(unsigned long loops);
+
#endif /* defined(_ARM_DELAY_H) */
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index 38050b1c480..cd644aade4c 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -96,8 +96,8 @@ struct elf32_hdr;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
-extern int elf_check_arch(const struct elf32_hdr *);
-#define elf_check_arch elf_check_arch
+extern int arm_elf_check_arch(const struct elf32_hdr *);
+#define elf_check_arch(x) arm_elf_check_arch((const struct elf32_hdr *)(x))
#define vmcore_elf64_check_arch(x) (0)
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 9af5563dd3e..d9a9a19cb68 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -63,6 +63,12 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
#define MT_DEVICE_CACHED 2
#define MT_DEVICE_WC 3
/*
+ * NOTE : U8500 v1.0/ED cut specific hack.
+ * look at the commit message for more details
+ */
+#define MT_BACKUP_RAM 4
+
+/*
* types 4 onwards can be found in asm/mach/map.h and are undefined
* for ioremap
*/
diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
index 53426c66352..e76b9eae8e4 100644
--- a/arch/arm/include/asm/outercache.h
+++ b/arch/arm/include/asm/outercache.h
@@ -33,6 +33,8 @@ struct outer_cache_fns {
#ifdef CONFIG_OUTER_CACHE_SYNC
void (*sync)(void);
#endif
+ void (*prefetch_enable)(void);
+ void (*prefetch_disable)(void);
void (*set_debug)(unsigned long);
void (*resume)(void);
};
@@ -81,6 +83,18 @@ static inline void outer_resume(void)
outer_cache.resume();
}
+static inline void outer_prefetch_enable(void)
+{
+ if (outer_cache.prefetch_enable)
+ outer_cache.prefetch_enable();
+}
+
+static inline void outer_prefetch_disable(void)
+{
+ if (outer_cache.prefetch_disable)
+ outer_cache.prefetch_disable();
+}
+
#else
static inline void outer_inv_range(phys_addr_t start, phys_addr_t end)
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 23ebc0c82a3..ea1384fea05 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -143,6 +143,23 @@ struct tag_memclk {
__u32 fmemclk;
};
+/* for automatic boot timing testcases */
+#define ATAG_BOOTTIME 0x41000403
+#define BOOTTIME_MAX_NAME_LEN 64
+#define BOOTTIME_MAX 10
+
+struct boottime_entry {
+ u32 time; /* in us */
+ u8 name[BOOTTIME_MAX_NAME_LEN];
+};
+
+struct tag_boottime {
+ struct boottime_entry entry[BOOTTIME_MAX];
+ u32 idle; /* in us */
+ u32 total; /* in us */
+ u8 num;
+};
+
struct tag {
struct tag_header hdr;
union {
@@ -165,6 +182,10 @@ struct tag {
* DC21285 specific
*/
struct tag_memclk memclk;
+ /*
+ * Boot time
+ */
+ struct tag_boottime boottime;
} u;
};
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index 0f01f4677bd..e0faaeb30ea 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -42,4 +42,12 @@ static inline void twd_local_timer_of_register(void)
}
#endif
+#if defined(CONFIG_HOTPLUG) || defined(CONFIG_CPU_IDLE)
+void twd_save(void);
+void twd_restore(void);
+#else
+static inline void twd_save(void) { }
+static inline void twd_restore(void) { }
+#endif
+
#endif