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gerrit-public.fairphone.software / kernel / msm-5.4 / b5affb0147cee0ea05d909396f8e389092729236 / . / arch / blackfin / include / asm / bfin-global.h
blob: a83e922a878d64ac9ca9c9b50038ec7c1d478c0a [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);
Bob Liub5affb02012-05-16 17:37:24 +0800[diff] [blame^]38#ifdef CONFIG_BF60x
39extern unsigned long get_sclk0(void);
40extern unsigned long get_sclk1(void);
41extern unsigned long get_dramclk(void);
42#endif
Mike Frysinger2f6cf7bf2007-10-21 22:59:49 +0800[diff] [blame]43extern unsigned long sclk_to_usecs(unsigned long sclk);
44extern unsigned long usecs_to_sclk(unsigned long usecs);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]45
Mike Frysingerbbc51e92009-10-09 07:34:00 +0000[diff] [blame]46struct pt_regs;
Robin Getzd28cff42010-03-11 19:26:38 +0000[diff] [blame]47#if defined(CONFIG_DEBUG_VERBOSE)
Mike Frysinger49dce912007-11-21 16:46:49 +0800[diff] [blame]48extern void dump_bfin_process(struct pt_regs *regs);
Robin Getzb03b08b2007-12-23 22:57:01 +0800[diff] [blame]49extern void dump_bfin_mem(struct pt_regs *regs);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]50extern void dump_bfin_trace_buffer(void);
Robin Getzd28cff42010-03-11 19:26:38 +0000[diff] [blame]51#else
52#define dump_bfin_process(regs)
53#define dump_bfin_mem(regs)
54#define dump_bfin_trace_buffer()
55#endif
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]56
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]57extern void *l1_data_A_sram_alloc(size_t);
58extern void *l1_data_B_sram_alloc(size_t);
59extern void *l1_inst_sram_alloc(size_t);
60extern void *l1_data_sram_alloc(size_t);
61extern void *l1_data_sram_zalloc(size_t);
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]62extern void *l2_sram_alloc(size_t);
63extern void *l2_sram_zalloc(size_t);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]64extern int l1_data_A_sram_free(const void*);
65extern int l1_data_B_sram_free(const void*);
66extern int l1_inst_sram_free(const void*);
67extern int l1_data_sram_free(const void*);
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]68extern int l2_sram_free(const void *);
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]69extern int sram_free(const void*);
70
71#define L1_INST_SRAM 0x00000001
72#define L1_DATA_A_SRAM 0x00000002
73#define L1_DATA_B_SRAM 0x00000004
74#define L1_DATA_SRAM 0x00000006
Sonic Zhang262c3822008-07-19 15:42:41 +0800[diff] [blame]75#define L2_SRAM 0x00000008
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]76extern void *sram_alloc_with_lsl(size_t, unsigned long);
77extern int sram_free_with_lsl(const void*);
78
Robin Getz9df10282008-10-08 18:03:33 +0800[diff] [blame]79extern void *isram_memcpy(void *dest, const void *src, size_t n);
80
Mike Frysinger066954a2007-10-21 22:36:06 +0800[diff] [blame]81extern const char bfin_board_name[];
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]82
Michael Hennerichcfefe3c2008-02-09 04:12:37 +0800[diff] [blame]83extern unsigned long bfin_sic_iwr[];
Michael Hennerich4a88d0c2008-08-05 17:38:41 +0800[diff] [blame]84extern unsigned vr_wakeup;
Mike Frysingera9c59c22007-05-21 18:09:32 +0800[diff] [blame]85extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]86
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]87#endif
88
89#endif /* _BLACKFIN_H_ */