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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/blackfin/include/asm/bfin-global.h
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/*

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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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