diff options
Diffstat (limited to 'arch/blackfin/include/asm/bfin-global.h')
| -rw-r--r-- | arch/blackfin/include/asm/bfin-global.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h new file mode 100644 index 000000000..dc47d7928 --- /dev/null +++ b/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_ */ |