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); 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 70extern void *l1_data_A_sram_alloc(size_t); 71extern void *l1_data_B_sram_alloc(size_t); 72extern void *l1_inst_sram_alloc(size_t); 73extern void *l1_data_sram_alloc(size_t); 74extern void *l1_data_sram_zalloc(size_t); 75extern int l1_data_A_sram_free(const void*); 76extern int l1_data_B_sram_free(const void*); 77extern int l1_inst_sram_free(const void*); 78extern int l1_data_sram_free(const void*); 79extern int sram_free(const void*); 80 81#define L1_INST_SRAM 0x00000001 82#define L1_DATA_A_SRAM 0x00000002 83#define L1_DATA_B_SRAM 0x00000004 84#define L1_DATA_SRAM 0x00000006 85extern void *sram_alloc_with_lsl(size_t, unsigned long); 86extern int sram_free_with_lsl(const void*); 87 88extern void led_on(int); 89extern void led_off(int); 90extern void led_toggle(int); 91extern void led_disp_num(int); 92extern void led_toggle_num(int); 93extern void init_leds(void); 94 95extern char *bfin_board_name __attribute__ ((weak)); 96extern unsigned long wall_jiffies; 97extern unsigned long ipdt_table[]; 98extern unsigned long dpdt_table[]; 99extern unsigned long icplb_table[]; 100extern unsigned long dcplb_table[]; 101 102extern unsigned long ipdt_swapcount_table[]; 103extern unsigned long dpdt_swapcount_table[]; 104 105extern unsigned long table_start, table_end; 106 107extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */ 108extern struct file_operations dpmc_fops; 109extern char _start; 110extern unsigned long _ramstart, _ramend, _rambase; 111extern unsigned long memory_start, memory_end, physical_mem_end; 112extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], 113 _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[]; 114 115#ifdef CONFIG_MTD_UCLINUX 116extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; 117#endif 118 119#endif 120 121#endif /* _BLACKFIN_H_ */ 122