LXR linux/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
  48extern unsigned long get_cclk(void);
  49extern unsigned long get_sclk(void);
  50extern unsigned long sclk_to_usecs(unsigned long sclk);
  51extern unsigned long usecs_to_sclk(unsigned long usecs);
  52
  53extern void dump_bfin_process(struct pt_regs *regs);
  54extern void dump_bfin_mem(struct pt_regs *regs);
  55extern void dump_bfin_trace_buffer(void);
  56
  57extern int init_arch_irq(void);
  58extern void bfin_reset(void);
  59extern void _cplb_hdr(void);
  60/* Blackfin cache functions */
  61extern void bfin_icache_init(void);
  62extern void bfin_dcache_init(void);
  63extern int read_iloc(void);
  64extern int bfin_console_init(void);
  65extern asmlinkage void lower_to_irq14(void);
  66extern asmlinkage void bfin_return_from_exception(void);
  67extern void init_exception_vectors(void);
  68extern void init_dma(void);
  69extern void program_IAR(void);
  70extern void evt14_softirq(void);
  71extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
  72extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type);
  73extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
  74
  75extern asmlinkage void finish_atomic_sections (struct pt_regs *regs);
  76extern char fixed_code_start;
  77extern char fixed_code_end;
  78extern int atomic_xchg32(void);
  79extern int atomic_cas32(void);
  80extern int atomic_add32(void);
  81extern int atomic_sub32(void);
  82extern int atomic_ior32(void);
  83extern int atomic_and32(void);
  84extern int atomic_xor32(void);
  85extern void safe_user_instruction(void);
  86extern void sigreturn_stub(void);
  87
  88extern void *l1_data_A_sram_alloc(size_t);
  89extern void *l1_data_B_sram_alloc(size_t);
  90extern void *l1_inst_sram_alloc(size_t);
  91extern void *l1_data_sram_alloc(size_t);
  92extern void *l1_data_sram_zalloc(size_t);
  93extern int l1_data_A_sram_free(const void*);
  94extern int l1_data_B_sram_free(const void*);
  95extern int l1_inst_sram_free(const void*);
  96extern int l1_data_sram_free(const void*);
  97extern int sram_free(const void*);
  98
  99#define L1_INST_SRAM            0x00000001
 100#define L1_DATA_A_SRAM          0x00000002
 101#define L1_DATA_B_SRAM          0x00000004
 102#define L1_DATA_SRAM            0x00000006
 103extern void *sram_alloc_with_lsl(size_t, unsigned long);
 104extern int sram_free_with_lsl(const void*);
 105
 106extern void led_on(int);
 107extern void led_off(int);
 108extern void led_toggle(int);
 109extern void led_disp_num(int);
 110extern void led_toggle_num(int);
 111extern void init_leds(void);
 112
 113extern const char bfin_board_name[];
 114extern unsigned long wall_jiffies;
 115extern unsigned long ipdt_table[];
 116extern unsigned long dpdt_table[];
 117extern unsigned long icplb_table[];
 118extern unsigned long dcplb_table[];
 119
 120extern unsigned long ipdt_swapcount_table[];
 121extern unsigned long dpdt_swapcount_table[];
 122
 123extern unsigned long table_start, table_end;
 124
 125extern unsigned long bfin_sic_iwr[];
 126extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 127extern struct file_operations dpmc_fops;
 128extern char _start;
 129extern unsigned long _ramstart, _ramend, _rambase;
 130extern unsigned long memory_start, memory_end, physical_mem_end;
 131extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
 132    _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[];
 133
 134#ifdef CONFIG_MTD_UCLINUX
 135extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
 136#endif
 137
 138#endif
 139
 140#endif                          /* _BLACKFIN_H_ */
 141