diff options
Diffstat (limited to 'arch/mips/galileo-boards/ev96100/time.c')
| -rw-r--r-- | arch/mips/galileo-boards/ev96100/time.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/mips/galileo-boards/ev96100/time.c b/arch/mips/galileo-boards/ev96100/time.c deleted file mode 100644 index 8cbe8426491a..000000000000 --- a/arch/mips/galileo-boards/ev96100/time.c +++ /dev/null | |||
| @@ -1,88 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * BRIEF MODULE DESCRIPTION | ||
| 3 | * Galileo EV96100 rtc routines. | ||
| 4 | * | ||
| 5 | * Copyright 2000 MontaVista Software Inc. | ||
| 6 | * Author: MontaVista Software, Inc. | ||
| 7 | * ppopov@mvista.com or source@mvista.com | ||
| 8 | * | ||
| 9 | * This file was derived from Carsten Langgaard's | ||
| 10 | * arch/mips/mips-boards/atlas/atlas_rtc.c. | ||
| 11 | * | ||
| 12 | * Carsten Langgaard, carstenl@mips.com | ||
| 13 | * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. | ||
| 14 | * | ||
| 15 | * This program is free software; you can redistribute it and/or modify it | ||
| 16 | * under the terms of the GNU General Public License as published by the | ||
| 17 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 18 | * option) any later version. | ||
| 19 | * | ||
| 20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
| 21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
| 22 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
| 23 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| 24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
| 26 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| 27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
| 29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 30 | * | ||
| 31 | * You should have received a copy of the GNU General Public License along | ||
| 32 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
| 33 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 34 | */ | ||
| 35 | #include <linux/init.h> | ||
| 36 | #include <linux/kernel_stat.h> | ||
| 37 | #include <linux/module.h> | ||
| 38 | #include <linux/sched.h> | ||
| 39 | #include <linux/spinlock.h> | ||
| 40 | #include <linux/timex.h> | ||
| 41 | |||
| 42 | #include <asm/mipsregs.h> | ||
| 43 | #include <asm/ptrace.h> | ||
| 44 | #include <asm/time.h> | ||
| 45 | |||
| 46 | |||
| 47 | #define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5) | ||
| 48 | |||
| 49 | extern volatile unsigned long wall_jiffies; | ||
| 50 | unsigned long missed_heart_beats = 0; | ||
| 51 | |||
| 52 | static unsigned long r4k_offset; /* Amount to increment compare reg each time */ | ||
| 53 | static unsigned long r4k_cur; /* What counter should be at next timer irq */ | ||
| 54 | |||
| 55 | static inline void ack_r4ktimer(unsigned long newval) | ||
| 56 | { | ||
| 57 | write_c0_compare(newval); | ||
| 58 | } | ||
| 59 | |||
| 60 | /* | ||
| 61 | * There are a lot of conceptually broken versions of the MIPS timer interrupt | ||
| 62 | * handler floating around. This one is rather different, but the algorithm | ||
| 63 | * is probably more robust. | ||
| 64 | */ | ||
| 65 | void mips_timer_interrupt(struct pt_regs *regs) | ||
| 66 | { | ||
| 67 | int irq = 7; /* FIX ME */ | ||
| 68 | |||
| 69 | if (r4k_offset == 0) { | ||
| 70 | goto null; | ||
| 71 | } | ||
| 72 | |||
| 73 | do { | ||
| 74 | kstat_this_cpu.irqs[irq]++; | ||
| 75 | do_timer(regs); | ||
| 76 | #ifndef CONFIG_SMP | ||
| 77 | update_process_times(user_mode(regs)); | ||
| 78 | #endif | ||
| 79 | r4k_cur += r4k_offset; | ||
| 80 | ack_r4ktimer(r4k_cur); | ||
| 81 | |||
| 82 | } while (((unsigned long)read_c0_count() | ||
| 83 | - r4k_cur) < 0x7fffffff); | ||
| 84 | return; | ||
| 85 | |||
| 86 | null: | ||
| 87 | ack_r4ktimer(0); | ||
| 88 | } | ||