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
  51 extern void dump_thread(struct pt_regs *regs, struct user *dump);
  52 extern void dump_bfin_regs(struct pt_regs *fp, void *retaddr);
  53 extern void dump_bfin_trace_buffer(void);
  54
  55 extern int init_arch_irq(void);
  56 extern void bfin_reset(void);
  57 extern void _cplb_hdr(void);
  58 /* Blackfin cache functions */
  59 extern void bfin_icache_init(void);
  60 extern void bfin_dcache_init(void);
  61 extern int read_iloc(void);
  62 extern int bfin_console_init(void);
  63 extern asmlinkage void lower_to_irq14(void);
  64 extern void init_dma(void);
  65 extern void program_IAR(void);
  66 extern void evt14_softirq(void);
  67 extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
  68 extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type);
  69
  70 extern asmlinkage void finish_atomic_sections (struct pt_regs *regs);
  71 extern char fixed_code_start;
  72 extern char fixed_code_end;
  73 extern int atomic_xchg32(void);
  74 extern int atomic_cas32(void);
  75 extern int atomic_add32(void);
  76 extern int atomic_sub32(void);
  77 extern int atomic_ior32(void);
  78 extern int atomic_and32(void);
  79 extern int atomic_xor32(void);
  80 extern void sigreturn_stub(void);
  81
  82 extern void *l1_data_A_sram_alloc(size_t);
  83 extern void *l1_data_B_sram_alloc(size_t);
  84 extern void *l1_inst_sram_alloc(size_t);
  85 extern void *l1_data_sram_alloc(size_t);
  86 extern void *l1_data_sram_zalloc(size_t);
  87 extern int l1_data_A_sram_free(const void*);
  88 extern int l1_data_B_sram_free(const void*);
  89 extern int l1_inst_sram_free(const void*);
  90 extern int l1_data_sram_free(const void*);
  91 extern 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
  97 extern void *sram_alloc_with_lsl(size_t, unsigned long);
  98 extern int sram_free_with_lsl(const void*);
  99
 100 extern void led_on(int);
 101 extern void led_off(int);
 102 extern void led_toggle(int);
 103 extern void led_disp_num(int);
 104 extern void led_toggle_num(int);
 105 extern void init_leds(void);
 106
 107 extern char *bfin_board_name __attribute__ ((weak));
 108 extern unsigned long wall_jiffies;
 109 extern unsigned long ipdt_table[];
 110 extern unsigned long dpdt_table[];
 111 extern unsigned long icplb_table[];
 112 extern unsigned long dcplb_table[];
 113
 114 extern unsigned long ipdt_swapcount_table[];
 115 extern unsigned long dpdt_swapcount_table[];
 116
 117 extern unsigned long table_start, table_end;
 118
 119 extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 120 extern struct file_operations dpmc_fops;
 121 extern char _start;
 122 extern unsigned long _ramstart, _ramend, _rambase;
 123 extern unsigned long memory_start, memory_end, physical_mem_end;
 124 extern 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
 128 extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
 129 #endif
 130
 131 #endif
 132
 133 #endif                          /* _BLACKFIN_H_ */