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Bryan Wu1394f032007-05-06 14:50:22 -07001/*
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
34#include <asm-generic/sections.h>
35#include <asm/ptrace.h>
36#include <asm/user.h>
37#include <linux/linkage.h>
38#include <linux/types.h>
39
40#if defined(CONFIG_DMA_UNCACHED_2M)
41# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
42#elif defined(CONFIG_DMA_UNCACHED_1M)
43# define DMA_UNCACHED_REGION (1024 * 1024)
44#else
45# define DMA_UNCACHED_REGION (0)
46#endif
47
48extern unsigned long get_cclk(void);
49extern unsigned long get_sclk(void);
50
51extern void dump_thread(struct pt_regs *regs, struct user *dump);
52extern void dump_bfin_regs(struct pt_regs *fp, void *retaddr);
53extern void dump_bfin_trace_buffer(void);
54
55extern int init_arch_irq(void);
56extern void bfin_reset(void);
57extern void _cplb_hdr(void);
58/* Blackfin cache functions */
59extern void bfin_icache_init(void);
60extern void bfin_dcache_init(void);
61extern int read_iloc(void);
62extern int bfin_console_init(void);
63extern asmlinkage void lower_to_irq14(void);
64extern void init_dma(void);
65extern void program_IAR(void);
66extern void evt14_softirq(void);
67extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
68extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type);
69
Bernd Schmidt7adfb582007-06-21 11:34:16 +080070extern asmlinkage void finish_atomic_sections (struct pt_regs *regs);
71extern char fixed_code_start;
72extern char fixed_code_end;
73extern int atomic_xchg32(void);
74extern int atomic_cas32(void);
75extern int atomic_add32(void);
76extern int atomic_sub32(void);
77extern int atomic_ior32(void);
78extern int atomic_and32(void);
79extern int atomic_xor32(void);
80extern void sigreturn_stub(void);
81
Bryan Wu1394f032007-05-06 14:50:22 -070082extern void *l1_data_A_sram_alloc(size_t);
83extern void *l1_data_B_sram_alloc(size_t);
84extern void *l1_inst_sram_alloc(size_t);
85extern void *l1_data_sram_alloc(size_t);
86extern void *l1_data_sram_zalloc(size_t);
87extern int l1_data_A_sram_free(const void*);
88extern int l1_data_B_sram_free(const void*);
89extern int l1_inst_sram_free(const void*);
90extern int l1_data_sram_free(const void*);
91extern int sram_free(const void*);
92
93#define L1_INST_SRAM 0x00000001
94#define L1_DATA_A_SRAM 0x00000002
95#define L1_DATA_B_SRAM 0x00000004
96#define L1_DATA_SRAM 0x00000006
97extern void *sram_alloc_with_lsl(size_t, unsigned long);
98extern int sram_free_with_lsl(const void*);
99
100extern void led_on(int);
101extern void led_off(int);
102extern void led_toggle(int);
103extern void led_disp_num(int);
104extern void led_toggle_num(int);
105extern void init_leds(void);
106
107extern char *bfin_board_name __attribute__ ((weak));
108extern unsigned long wall_jiffies;
109extern unsigned long ipdt_table[];
110extern unsigned long dpdt_table[];
111extern unsigned long icplb_table[];
112extern unsigned long dcplb_table[];
113
114extern unsigned long ipdt_swapcount_table[];
115extern unsigned long dpdt_swapcount_table[];
116
117extern unsigned long table_start, table_end;
118
Mike Frysingera9c59c22007-05-21 18:09:32 +0800119extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
Bryan Wu1394f032007-05-06 14:50:22 -0700120extern struct file_operations dpmc_fops;
121extern char _start;
122extern unsigned long _ramstart, _ramend, _rambase;
123extern unsigned long memory_start, memory_end, physical_mem_end;
124extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
125 _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[];
126
127#ifdef CONFIG_MTD_UCLINUX
128extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
129#endif
130
131#endif
132
133#endif /* _BLACKFIN_H_ */