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/* * 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_ */