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gerrit-public.fairphone.software / kernel / msm-5.4 / 96f1050d3df105c9ae6c6ac224f370199ea82fcd / . / arch / blackfin / include / asm / bfin-global.h
blob: 10064f902d201849f5f1c09b0e494b2230aee6d6 [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
Mike Frysinger5203fa82009-06-08 18:40:28 -0400[diff] [blame]14#include <asm/sections.h>
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]15#include <asm/ptrace.h>
16#include <asm/user.h>
17#include <linux/linkage.h>
18#include <linux/types.h>
19
Cliff Cai86ad7932008-05-17 16:36:52 +0800[diff] [blame]20#if defined(CONFIG_DMA_UNCACHED_4M)
21# define DMA_UNCACHED_REGION (4 * 1024 * 1024)
22#elif defined(CONFIG_DMA_UNCACHED_2M)
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]23# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
24#elif defined(CONFIG_DMA_UNCACHED_1M)
25# define DMA_UNCACHED_REGION (1024 * 1024)
26#else
27# define DMA_UNCACHED_REGION (0)
28#endif
29
Graf Yang6b3087c2009-01-07 23:14:39 +0800[diff] [blame]30extern void bfin_setup_caches(unsigned int cpu);
31extern void bfin_setup_cpudata(unsigned int cpu);
32
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]33extern unsigned long get_cclk(void);
34extern unsigned long get_sclk(void);
Mike Frysinger2f6cf7bf2007-10-21 22:59:49 +0800[diff] [blame]35extern unsigned long sclk_to_usecs(unsigned long sclk);
36extern unsigned long usecs_to_sclk(unsigned long usecs);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]37
Mike Frysinger49dce912007-11-21 16:46:49 +0800[diff] [blame]38extern void dump_bfin_process(struct pt_regs *regs);
Robin Getzb03b08b2007-12-23 22:57:01 +0800[diff] [blame]39extern void dump_bfin_mem(struct pt_regs *regs);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]40extern void dump_bfin_trace_buffer(void);
41
Mike Frysingeree326642008-08-14 14:37:32 +0800[diff] [blame]42/* init functions only */
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]43extern int init_arch_irq(void);
Mike Frysingeree326642008-08-14 14:37:32 +0800[diff] [blame]44extern void init_exception_vectors(void);
45extern void program_IAR(void);
46
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]47extern asmlinkage void lower_to_irq14(void);
Mike Frysinger8d6c2422007-11-21 15:53:49 +0800[diff] [blame]48extern asmlinkage void bfin_return_from_exception(void);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]49extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
Michael Hennerichcfefe3c2008-02-09 04:12:37 +0800[diff] [blame]50extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]51
52extern void *l1_data_A_sram_alloc(size_t);
53extern void *l1_data_B_sram_alloc(size_t);
54extern void *l1_inst_sram_alloc(size_t);
55extern void *l1_data_sram_alloc(size_t);
56extern void *l1_data_sram_zalloc(size_t);
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]57extern void *l2_sram_alloc(size_t);
58extern void *l2_sram_zalloc(size_t);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]59extern int l1_data_A_sram_free(const void*);
60extern int l1_data_B_sram_free(const void*);
61extern int l1_inst_sram_free(const void*);
62extern int l1_data_sram_free(const void*);
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]63extern int l2_sram_free(const void *);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]64extern int sram_free(const void*);
65
66#define L1_INST_SRAM 0x00000001
67#define L1_DATA_A_SRAM 0x00000002
68#define L1_DATA_B_SRAM 0x00000004
69#define L1_DATA_SRAM 0x00000006
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]70#define L2_SRAM 0x00000008
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]71extern void *sram_alloc_with_lsl(size_t, unsigned long);
72extern int sram_free_with_lsl(const void*);
73
Robin Getz9df10282008-10-08 18:03:33 +0800[diff] [blame]74extern void *isram_memcpy(void *dest, const void *src, size_t n);
75
Mike Frysinger066954a2007-10-21 22:36:06 +0800[diff] [blame]76extern const char bfin_board_name[];
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]77
Michael Hennerichcfefe3c2008-02-09 04:12:37 +0800[diff] [blame]78extern unsigned long bfin_sic_iwr[];
Michael Hennerich4a88d0c2008-08-05 17:38:41 +0800[diff] [blame]79extern unsigned vr_wakeup;
Mike Frysingera9c59c22007-05-21 18:09:32 +0800[diff] [blame]80extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]81
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]82#endif
83
84#endif /* _BLACKFIN_H_ */