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1394f032 BW |
1 | /* |
2 | * File: include/asm-blackfin/bfin-global.h | |
3 | * Based on: | |
4 | * Author: * | |
5 | * Created: | |
6 | * Description: Global extern defines for blackfin | |
7 | * | |
8 | * Modified: | |
9 | * Copyright 2004-2006 Analog Devices Inc. | |
10 | * | |
11 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, see the file COPYING, or write | |
25 | * to the Free Software Foundation, Inc., | |
26 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
27 | */ | |
28 | ||
29 | #ifndef _BFIN_GLOBAL_H_ | |
30 | #define _BFIN_GLOBAL_H_ | |
31 | ||
32 | #ifndef __ASSEMBLY__ | |
33 | ||
5203fa82 | 34 | #include <asm/sections.h> |
1394f032 BW |
35 | #include <asm/ptrace.h> |
36 | #include <asm/user.h> | |
37 | #include <linux/linkage.h> | |
38 | #include <linux/types.h> | |
39 | ||
86ad7932 CC |
40 | #if defined(CONFIG_DMA_UNCACHED_4M) |
41 | # define DMA_UNCACHED_REGION (4 * 1024 * 1024) | |
42 | #elif defined(CONFIG_DMA_UNCACHED_2M) | |
1394f032 BW |
43 | # define DMA_UNCACHED_REGION (2 * 1024 * 1024) |
44 | #elif defined(CONFIG_DMA_UNCACHED_1M) | |
45 | # define DMA_UNCACHED_REGION (1024 * 1024) | |
46 | #else | |
47 | # define DMA_UNCACHED_REGION (0) | |
48 | #endif | |
49 | ||
6b3087c6 GY |
50 | extern void bfin_setup_caches(unsigned int cpu); |
51 | extern void bfin_setup_cpudata(unsigned int cpu); | |
52 | ||
1394f032 BW |
53 | extern unsigned long get_cclk(void); |
54 | extern unsigned long get_sclk(void); | |
2f6cf7bf MF |
55 | extern unsigned long sclk_to_usecs(unsigned long sclk); |
56 | extern unsigned long usecs_to_sclk(unsigned long usecs); | |
1394f032 | 57 | |
49dce912 | 58 | extern void dump_bfin_process(struct pt_regs *regs); |
b03b08ba | 59 | extern void dump_bfin_mem(struct pt_regs *regs); |
1394f032 BW |
60 | extern void dump_bfin_trace_buffer(void); |
61 | ||
ee32664d | 62 | /* init functions only */ |
1394f032 | 63 | extern int init_arch_irq(void); |
8be80ed3 | 64 | extern void init_exception_vectors(void); |
1394f032 | 65 | extern void program_IAR(void); |
ee32664d | 66 | |
ee32664d MF |
67 | extern asmlinkage void lower_to_irq14(void); |
68 | extern asmlinkage void bfin_return_from_exception(void); | |
1394f032 | 69 | extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs); |
cfefe3c6 | 70 | extern int bfin_internal_set_wake(unsigned int irq, unsigned int state); |
1394f032 BW |
71 | |
72 | extern void *l1_data_A_sram_alloc(size_t); | |
73 | extern void *l1_data_B_sram_alloc(size_t); | |
74 | extern void *l1_inst_sram_alloc(size_t); | |
75 | extern void *l1_data_sram_alloc(size_t); | |
76 | extern void *l1_data_sram_zalloc(size_t); | |
262c3825 SZ |
77 | extern void *l2_sram_alloc(size_t); |
78 | extern void *l2_sram_zalloc(size_t); | |
1394f032 BW |
79 | extern int l1_data_A_sram_free(const void*); |
80 | extern int l1_data_B_sram_free(const void*); | |
81 | extern int l1_inst_sram_free(const void*); | |
82 | extern int l1_data_sram_free(const void*); | |
262c3825 | 83 | extern int l2_sram_free(const void *); |
1394f032 BW |
84 | extern int sram_free(const void*); |
85 | ||
86 | #define L1_INST_SRAM 0x00000001 | |
87 | #define L1_DATA_A_SRAM 0x00000002 | |
88 | #define L1_DATA_B_SRAM 0x00000004 | |
89 | #define L1_DATA_SRAM 0x00000006 | |
262c3825 | 90 | #define L2_SRAM 0x00000008 |
1394f032 BW |
91 | extern void *sram_alloc_with_lsl(size_t, unsigned long); |
92 | extern int sram_free_with_lsl(const void*); | |
93 | ||
9df10281 RG |
94 | extern void *isram_memcpy(void *dest, const void *src, size_t n); |
95 | ||
066954a3 | 96 | extern const char bfin_board_name[]; |
1394f032 | 97 | |
cfefe3c6 | 98 | extern unsigned long bfin_sic_iwr[]; |
4a88d0ce | 99 | extern unsigned vr_wakeup; |
a9c59c27 | 100 | extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */ |
1394f032 BW |
101 | |
102 | #endif | |
103 | ||
104 | #endif /* _BLACKFIN_H_ */ |