include/asm-blackfin/bfin-global.h

   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
  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
  48 extern unsigned long get_cclk(void);
  49 extern unsigned long get_sclk(void);
  50 extern unsigned long sclk_to_usecs(unsigned long sclk);
  51 extern unsigned long usecs_to_sclk(unsigned long usecs);
  52
  53 extern void dump_bfin_process(struct pt_regs *regs);
  54 extern void dump_bfin_mem(void *retaddr);
  55 extern void dump_bfin_trace_buffer(void);
  56
  57 extern int init_arch_irq(void);
  58 extern void bfin_reset(void);
  59 extern void _cplb_hdr(void);
  60 /* Blackfin cache functions */
  61 extern void bfin_icache_init(void);
  62 extern void bfin_dcache_init(void);
  63 extern int read_iloc(void);
  64 extern int bfin_console_init(void);
  65 extern asmlinkage void lower_to_irq14(void);
  66 extern asmlinkage void bfin_return_from_exception(void);
  67 extern void init_exception_vectors(void);
  68 extern void init_dma(void);
  69 extern void program_IAR(void);
  70 extern void evt14_softirq(void);
  71 extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
  72 extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type);
  73
  74 extern asmlinkage void finish_atomic_sections (struct pt_regs *regs);
  75 extern char fixed_code_start;
  76 extern char fixed_code_end;
  77 extern int atomic_xchg32(void);
  78 extern int atomic_cas32(void);
  79 extern int atomic_add32(void);
  80 extern int atomic_sub32(void);
  81 extern int atomic_ior32(void);
  82 extern int atomic_and32(void);
  83 extern int atomic_xor32(void);
  84 extern void safe_user_instruction(void);
  85 extern void sigreturn_stub(void);
  86
  87 extern void *l1_data_A_sram_alloc(size_t);
  88 extern void *l1_data_B_sram_alloc(size_t);
  89 extern void *l1_inst_sram_alloc(size_t);
  90 extern void *l1_data_sram_alloc(size_t);
  91 extern void *l1_data_sram_zalloc(size_t);
  92 extern int l1_data_A_sram_free(const void*);
  93 extern int l1_data_B_sram_free(const void*);
  94 extern int l1_inst_sram_free(const void*);
  95 extern int l1_data_sram_free(const void*);
  96 extern int sram_free(const void*);
  97
  98 #define L1_INST_SRAM            0x00000001
  99 #define L1_DATA_A_SRAM          0x00000002
 100 #define L1_DATA_B_SRAM          0x00000004
 101 #define L1_DATA_SRAM            0x00000006
 102 extern void *sram_alloc_with_lsl(size_t, unsigned long);
 103 extern int sram_free_with_lsl(const void*);
 104
 105 extern void led_on(int);
 106 extern void led_off(int);
 107 extern void led_toggle(int);
 108 extern void led_disp_num(int);
 109 extern void led_toggle_num(int);
 110 extern void init_leds(void);
 111
 112 extern const char bfin_board_name[];
 113 extern unsigned long wall_jiffies;
 114 extern unsigned long ipdt_table[];
 115 extern unsigned long dpdt_table[];
 116 extern unsigned long icplb_table[];
 117 extern unsigned long dcplb_table[];
 118
 119 extern unsigned long ipdt_swapcount_table[];
 120 extern unsigned long dpdt_swapcount_table[];
 121
 122 extern unsigned long table_start, table_end;
 123
 124 extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 125 extern struct file_operations dpmc_fops;
 126 extern char _start;
 127 extern unsigned long _ramstart, _ramend, _rambase;
 128 extern unsigned long memory_start, memory_end, physical_mem_end;
 129 extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
 130     _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[];
 131
 132 #ifdef CONFIG_MTD_UCLINUX
 133 extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
 134 #endif
 135
 136 #endif
 137
 138 #endif                          /* _BLACKFIN_H_ */