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gerrit-public.fairphone.software / kernel / msm-4.9 / cd2e18fe785082b132d960063df83a02acc9a4f2 / . / arch / blackfin / include / asm / bfin-global.h
blob: e6485c305ea6e53266412712216136ec126cac4b [file] [log] [blame]
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]1/*
Robin Getz96f10502009-09-24 14:11:24 +0000[diff] [blame]2 * Global extern defines for blackfin
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]3 *
Robin Getz96f10502009-09-24 14:11:24 +0000[diff] [blame]4 * Copyright 2006-2009 Analog Devices Inc.
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]5 *
Robin Getz96f10502009-09-24 14:11:24 +0000[diff] [blame]6 * Licensed under the GPL-2 or later.
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]7 */
8
9#ifndef _BFIN_GLOBAL_H_
10#define _BFIN_GLOBAL_H_
11
12#ifndef __ASSEMBLY__
13
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]14#include <linux/linkage.h>
15#include <linux/types.h>
16
Cliff Cai86ad7932008-05-17 16:36:52 +0800[diff] [blame]17#if defined(CONFIG_DMA_UNCACHED_4M)
18# define DMA_UNCACHED_REGION (4 * 1024 * 1024)
19#elif defined(CONFIG_DMA_UNCACHED_2M)
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]20# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
21#elif defined(CONFIG_DMA_UNCACHED_1M)
22# define DMA_UNCACHED_REGION (1024 * 1024)
Barry Songc45c0652009-12-02 09:13:36 +0000[diff] [blame]23#elif defined(CONFIG_DMA_UNCACHED_512K)
24# define DMA_UNCACHED_REGION (512 * 1024)
25#elif defined(CONFIG_DMA_UNCACHED_256K)
26# define DMA_UNCACHED_REGION (256 * 1024)
27#elif defined(CONFIG_DMA_UNCACHED_128K)
28# define DMA_UNCACHED_REGION (128 * 1024)
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]29#else
30# define DMA_UNCACHED_REGION (0)
31#endif
32
Graf Yang6b3087c2009-01-07 23:14:39 +0800[diff] [blame]33extern void bfin_setup_caches(unsigned int cpu);
34extern void bfin_setup_cpudata(unsigned int cpu);
35
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]36extern unsigned long get_cclk(void);
37extern unsigned long get_sclk(void);
Mike Frysinger2f6cf7bf2007-10-21 22:59:49 +0800[diff] [blame]38extern unsigned long sclk_to_usecs(unsigned long sclk);
39extern unsigned long usecs_to_sclk(unsigned long usecs);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]40
Mike Frysingerbbc51e92009-10-09 07:34:00 +0000[diff] [blame]41struct pt_regs;
Mike Frysinger49dce912007-11-21 16:46:49 +0800[diff] [blame]42extern void dump_bfin_process(struct pt_regs *regs);
Robin Getzb03b08b2007-12-23 22:57:01 +0800[diff] [blame]43extern void dump_bfin_mem(struct pt_regs *regs);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]44extern void dump_bfin_trace_buffer(void);
45
Mike Frysingeree326642008-08-14 14:37:32 +0800[diff] [blame]46/* init functions only */
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]47extern int init_arch_irq(void);
Mike Frysingeree326642008-08-14 14:37:32 +0800[diff] [blame]48extern void init_exception_vectors(void);
49extern void program_IAR(void);
50
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]51extern asmlinkage void lower_to_irq14(void);
Mike Frysinger8d6c2422007-11-21 15:53:49 +0800[diff] [blame]52extern asmlinkage void bfin_return_from_exception(void);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]53extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
Michael Hennerichcfefe3c2008-02-09 04:12:37 +0800[diff] [blame]54extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]55
56extern void *l1_data_A_sram_alloc(size_t);
57extern void *l1_data_B_sram_alloc(size_t);
58extern void *l1_inst_sram_alloc(size_t);
59extern void *l1_data_sram_alloc(size_t);
60extern void *l1_data_sram_zalloc(size_t);
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]61extern void *l2_sram_alloc(size_t);
62extern void *l2_sram_zalloc(size_t);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]63extern int l1_data_A_sram_free(const void*);
64extern int l1_data_B_sram_free(const void*);
65extern int l1_inst_sram_free(const void*);
66extern int l1_data_sram_free(const void*);
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]67extern int l2_sram_free(const void *);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]68extern int sram_free(const void*);
69
70#define L1_INST_SRAM 0x00000001
71#define L1_DATA_A_SRAM 0x00000002
72#define L1_DATA_B_SRAM 0x00000004
73#define L1_DATA_SRAM 0x00000006
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]74#define L2_SRAM 0x00000008
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]75extern void *sram_alloc_with_lsl(size_t, unsigned long);
76extern int sram_free_with_lsl(const void*);
77
Robin Getz9df10282008-10-08 18:03:33 +0800[diff] [blame]78extern void *isram_memcpy(void *dest, const void *src, size_t n);
79
Mike Frysinger066954a2007-10-21 22:36:06 +0800[diff] [blame]80extern const char bfin_board_name[];
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]81
Michael Hennerichcfefe3c2008-02-09 04:12:37 +0800[diff] [blame]82extern unsigned long bfin_sic_iwr[];
Michael Hennerich4a88d0c2008-08-05 17:38:41 +0800[diff] [blame]83extern unsigned vr_wakeup;
Mike Frysingera9c59c22007-05-21 18:09:32 +0800[diff] [blame]84extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]85
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]86#endif
87
88#endif /* _BLACKFIN_H_ */