projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 983fda83 WD |
1 | /* |
| 2 | * (C) Copyright -2003 | |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 4 | * | |
| 5 | * (C) Copyright 2001 | |
| 6 | * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. | |
| 7 | * | |
| 8 | * See file CREDITS for list of people who contributed to this | |
| 9 | * project. | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU General Public License as | |
| 13 | * published by the Free Software Foundation; either version 2 of | |
| 14 | * the License, or (at your option) any later version. | |
| 15 | * | |
| 16 | * This program is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | * GNU General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU General Public License | |
| 22 | * along with this program; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 24 | * MA 02111-1307 USA | |
| 25 | */ | |
| 26 | ||
| 27 | /* | |
| 28 | * interrupts.c - just enough support for the decrementer/timer | |
| 29 | */ | |
| 30 | ||
| 31 | #include <common.h> | |
| 32 | #include <asm/processor.h> | |
| 33 | #include <command.h> | |
| 34 | ||
| 35 | int interrupt_init_cpu (ulong * decrementer_count) | |
| 36 | { | |
| 6d0f6bcf | 37 | *decrementer_count = get_tbclk () / CONFIG_SYS_HZ; |
| 983fda83 WD |
38 | |
| 39 | return (0); | |
| 40 | } | |
| 41 | ||
| 42 | /****************************************************************************/ | |
| 43 | ||
| 44 | /* | |
| 45 | * Handle external interrupts | |
| 46 | */ | |
| 47 | void external_interrupt (struct pt_regs *regs) | |
| 48 | { | |
| 49 | puts ("external_interrupt (oops!)\n"); | |
| 50 | } | |
| 51 | ||
| 52 | void timer_interrupt_cpu (struct pt_regs *regs) | |
| 53 | { | |
| 54 | /* nothing to do here */ | |
| 55 | return; | |
| 56 | } | |
| 57 | ||
| 58 | /****************************************************************************/ | |
| 59 | ||
| 60 | /* | |
| 61 | * Install and free a interrupt handler. | |
| 62 | */ | |
| 63 | ||
| 64 | void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) | |
| 65 | { | |
| 66 | ||
| 67 | } | |
| 68 | ||
| 69 | void irq_free_handler (int vec) | |
| 70 | { | |
| 71 | ||
| 72 | } | |
| 73 | ||
| 74 | /****************************************************************************/ | |
| 75 | ||
| 76 | void | |
| 77 | do_irqinfo (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) | |
| 78 | { | |
| 79 | puts ("IRQ related functions are unimplemented currently.\n"); | |
| 80 | } |