mirror of https://gitee.com/openkylin/linux.git
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*
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* Global extern defines for blackfin
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*
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* Copyright 2006-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef _BFIN_GLOBAL_H_
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#define _BFIN_GLOBAL_H_
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#ifndef __ASSEMBLY__
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#include <linux/linkage.h>
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#include <linux/types.h>
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#if defined(CONFIG_DMA_UNCACHED_4M)
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# define DMA_UNCACHED_REGION (4 * 1024 * 1024)
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#elif defined(CONFIG_DMA_UNCACHED_2M)
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# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
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#elif defined(CONFIG_DMA_UNCACHED_1M)
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# define DMA_UNCACHED_REGION (1024 * 1024)
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#elif defined(CONFIG_DMA_UNCACHED_512K)
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# define DMA_UNCACHED_REGION (512 * 1024)
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#elif defined(CONFIG_DMA_UNCACHED_256K)
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# define DMA_UNCACHED_REGION (256 * 1024)
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#elif defined(CONFIG_DMA_UNCACHED_128K)
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# define DMA_UNCACHED_REGION (128 * 1024)
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#else
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# define DMA_UNCACHED_REGION (0)
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#endif
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extern void bfin_setup_caches(unsigned int cpu);
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extern void bfin_setup_cpudata(unsigned int cpu);
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extern unsigned long get_cclk(void);
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extern unsigned long get_sclk(void);
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extern unsigned long sclk_to_usecs(unsigned long sclk);
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extern unsigned long usecs_to_sclk(unsigned long usecs);
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struct pt_regs;
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#if defined(CONFIG_DEBUG_VERBOSE)
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extern void dump_bfin_process(struct pt_regs *regs);
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extern void dump_bfin_mem(struct pt_regs *regs);
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extern void dump_bfin_trace_buffer(void);
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#else
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#define dump_bfin_process(regs)
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#define dump_bfin_mem(regs)
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#define dump_bfin_trace_buffer()
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#endif
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extern void *l1_data_A_sram_alloc(size_t);
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extern void *l1_data_B_sram_alloc(size_t);
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extern void *l1_inst_sram_alloc(size_t);
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extern void *l1_data_sram_alloc(size_t);
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extern void *l1_data_sram_zalloc(size_t);
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extern void *l2_sram_alloc(size_t);
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extern void *l2_sram_zalloc(size_t);
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extern int l1_data_A_sram_free(const void*);
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extern int l1_data_B_sram_free(const void*);
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extern int l1_inst_sram_free(const void*);
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extern int l1_data_sram_free(const void*);
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extern int l2_sram_free(const void *);
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extern int sram_free(const void*);
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#define L1_INST_SRAM 0x00000001
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#define L1_DATA_A_SRAM 0x00000002
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#define L1_DATA_B_SRAM 0x00000004
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#define L1_DATA_SRAM 0x00000006
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#define L2_SRAM 0x00000008
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extern void *sram_alloc_with_lsl(size_t, unsigned long);
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extern int sram_free_with_lsl(const void*);
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extern void *isram_memcpy(void *dest, const void *src, size_t n);
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extern const char bfin_board_name[];
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extern unsigned long bfin_sic_iwr[];
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extern unsigned vr_wakeup;
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extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
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#endif
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#endif /* _BLACKFIN_H_ */
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