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-rw-r--r--kernel/arch/blackfin/include/asm/bfin-global.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/include/asm/bfin-global.h b/kernel/arch/blackfin/include/asm/bfin-global.h
new file mode 100644
index 000000000..dc47d7928
--- /dev/null
+++ b/kernel/arch/blackfin/include/asm/bfin-global.h
@@ -0,0 +1,95 @@
+/*
+ * Global extern defines for blackfin
+ *
+ * Copyright 2006-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BFIN_GLOBAL_H_
+#define _BFIN_GLOBAL_H_
+
+#ifndef __ASSEMBLY__
+
+#include <linux/linkage.h>
+#include <linux/types.h>
+
+#if defined(CONFIG_DMA_UNCACHED_32M)
+# define DMA_UNCACHED_REGION (32 * 1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_16M)
+# define DMA_UNCACHED_REGION (16 * 1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_8M)
+# define DMA_UNCACHED_REGION (8 * 1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_4M)
+# define DMA_UNCACHED_REGION (4 * 1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_2M)
+# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_1M)
+# define DMA_UNCACHED_REGION (1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_512K)
+# define DMA_UNCACHED_REGION (512 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_256K)
+# define DMA_UNCACHED_REGION (256 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_128K)
+# define DMA_UNCACHED_REGION (128 * 1024)
+#else
+# define DMA_UNCACHED_REGION (0)
+#endif
+
+extern void bfin_setup_caches(unsigned int cpu);
+extern void bfin_setup_cpudata(unsigned int cpu);
+
+extern unsigned long get_cclk(void);
+extern unsigned long get_sclk(void);
+#ifdef CONFIG_BF60x
+extern unsigned long get_sclk0(void);
+extern unsigned long get_sclk1(void);
+extern unsigned long get_dclk(void);
+#endif
+extern unsigned long sclk_to_usecs(unsigned long sclk);
+extern unsigned long usecs_to_sclk(unsigned long usecs);
+
+struct pt_regs;
+#if defined(CONFIG_DEBUG_VERBOSE)
+extern void dump_bfin_process(struct pt_regs *regs);
+extern void dump_bfin_mem(struct pt_regs *regs);
+extern void dump_bfin_trace_buffer(void);
+#else
+#define dump_bfin_process(regs)
+#define dump_bfin_mem(regs)
+#define dump_bfin_trace_buffer()
+#endif
+
+extern void *l1_data_A_sram_alloc(size_t);
+extern void *l1_data_B_sram_alloc(size_t);
+extern void *l1_inst_sram_alloc(size_t);
+extern void *l1_data_sram_alloc(size_t);
+extern void *l1_data_sram_zalloc(size_t);
+extern void *l2_sram_alloc(size_t);
+extern void *l2_sram_zalloc(size_t);
+extern int l1_data_A_sram_free(const void*);
+extern int l1_data_B_sram_free(const void*);
+extern int l1_inst_sram_free(const void*);
+extern int l1_data_sram_free(const void*);
+extern int l2_sram_free(const void *);
+extern int sram_free(const void*);
+
+#define L1_INST_SRAM 0x00000001
+#define L1_DATA_A_SRAM 0x00000002
+#define L1_DATA_B_SRAM 0x00000004
+#define L1_DATA_SRAM 0x00000006
+#define L2_SRAM 0x00000008
+extern void *sram_alloc_with_lsl(size_t, unsigned long);
+extern int sram_free_with_lsl(const void*);
+
+extern void *isram_memcpy(void *dest, const void *src, size_t n);
+
+extern const char bfin_board_name[];
+
+extern unsigned long bfin_sic_iwr[];
+extern unsigned vr_wakeup;
+extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
+
+#endif
+
+#endif /* _BLACKFIN_H_ */