projects / linux-block.git / blame
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|---|---|---|
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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); | |
| 2f6cf7bf MF |
50 | extern unsigned long sclk_to_usecs(unsigned long sclk); |
| 51 | extern unsigned long usecs_to_sclk(unsigned long usecs); | |
| 1394f032 BW |
52 | |
| 53 | extern void dump_thread(struct pt_regs *regs, struct user *dump); | |
| 54 | extern void dump_bfin_regs(struct pt_regs *fp, 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); | |
| 8be80ed3 | 66 | extern void init_exception_vectors(void); |
| 1394f032 BW |
67 | extern void init_dma(void); |
| 68 | extern void program_IAR(void); | |
| 69 | extern void evt14_softirq(void); | |
| 70 | extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs); | |
| 71 | extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type); | |
| 72 | ||
| 7adfb58f BS |
73 | extern asmlinkage void finish_atomic_sections (struct pt_regs *regs); |
| 74 | extern char fixed_code_start; | |
| 75 | extern char fixed_code_end; | |
| 76 | extern int atomic_xchg32(void); | |
| 77 | extern int atomic_cas32(void); | |
| 78 | extern int atomic_add32(void); | |
| 79 | extern int atomic_sub32(void); | |
| 80 | extern int atomic_ior32(void); | |
| 81 | extern int atomic_and32(void); | |
| 82 | extern int atomic_xor32(void); | |
| 83 | extern void sigreturn_stub(void); | |
| 84 | ||
| 1394f032 BW |
85 | extern void *l1_data_A_sram_alloc(size_t); |
| 86 | extern void *l1_data_B_sram_alloc(size_t); | |
| 87 | extern void *l1_inst_sram_alloc(size_t); | |
| 88 | extern void *l1_data_sram_alloc(size_t); | |
| 89 | extern void *l1_data_sram_zalloc(size_t); | |
| 90 | extern int l1_data_A_sram_free(const void*); | |
| 91 | extern int l1_data_B_sram_free(const void*); | |
| 92 | extern int l1_inst_sram_free(const void*); | |
| 93 | extern int l1_data_sram_free(const void*); | |
| 94 | extern int sram_free(const void*); | |
| 95 | ||
| 96 | #define L1_INST_SRAM 0x00000001 | |
| 97 | #define L1_DATA_A_SRAM 0x00000002 | |
| 98 | #define L1_DATA_B_SRAM 0x00000004 | |
| 99 | #define L1_DATA_SRAM 0x00000006 | |
| 100 | extern void *sram_alloc_with_lsl(size_t, unsigned long); | |
| 101 | extern int sram_free_with_lsl(const void*); | |
| 102 | ||
| 103 | extern void led_on(int); | |
| 104 | extern void led_off(int); | |
| 105 | extern void led_toggle(int); | |
| 106 | extern void led_disp_num(int); | |
| 107 | extern void led_toggle_num(int); | |
| 108 | extern void init_leds(void); | |
| 109 | ||
| 066954a3 | 110 | extern const char bfin_board_name[]; |
| 1394f032 BW |
111 | extern unsigned long wall_jiffies; |
| 112 | extern unsigned long ipdt_table[]; | |
| 113 | extern unsigned long dpdt_table[]; | |
| 114 | extern unsigned long icplb_table[]; | |
| 115 | extern unsigned long dcplb_table[]; | |
| 116 | ||
| 117 | extern unsigned long ipdt_swapcount_table[]; | |
| 118 | extern unsigned long dpdt_swapcount_table[]; | |
| 119 | ||
| 120 | extern unsigned long table_start, table_end; | |
| 121 | ||
| a9c59c27 | 122 | extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */ |
| 1394f032 BW |
123 | extern struct file_operations dpmc_fops; |
| 124 | extern char _start; | |
| 125 | extern unsigned long _ramstart, _ramend, _rambase; | |
| 126 | extern unsigned long memory_start, memory_end, physical_mem_end; | |
| 127 | extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], | |
| 128 | _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[]; | |
| 129 | ||
| 130 | #ifdef CONFIG_MTD_UCLINUX | |
| 131 | extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; | |
| 132 | #endif | |
| 133 | ||
| 134 | #endif | |
| 135 | ||
| 136 | #endif /* _BLACKFIN_H_ */ |