diff options
Diffstat (limited to 'include/asm-arm/arch-l7200/time.h')
| -rw-r--r-- | include/asm-arm/arch-l7200/time.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/include/asm-arm/arch-l7200/time.h b/include/asm-arm/arch-l7200/time.h deleted file mode 100644 index ea22f7fff9cd..000000000000 --- a/include/asm-arm/arch-l7200/time.h +++ /dev/null | |||
| @@ -1,73 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * linux/include/asm-arm/arch-l7200/time.h | ||
| 3 | * | ||
| 4 | * Copyright (C) 2000 Rob Scott (rscott@mtrob.fdns.net) | ||
| 5 | * Steve Hill (sjhill@cotw.com) | ||
| 6 | * | ||
| 7 | * Changelog: | ||
| 8 | * 01-02-2000 RS Created l7200 version, derived from rpc code | ||
| 9 | * 05-03-2000 SJH Complete rewrite | ||
| 10 | */ | ||
| 11 | #ifndef _ASM_ARCH_TIME_H | ||
| 12 | #define _ASM_ARCH_TIME_H | ||
| 13 | |||
| 14 | #include <asm/arch/irqs.h> | ||
| 15 | |||
| 16 | /* | ||
| 17 | * RTC base register address | ||
| 18 | */ | ||
| 19 | #define RTC_BASE (IO_BASE_2 + 0x2000) | ||
| 20 | |||
| 21 | /* | ||
| 22 | * RTC registers | ||
| 23 | */ | ||
| 24 | #define RTC_RTCDR (*(volatile unsigned char *) (RTC_BASE + 0x000)) | ||
| 25 | #define RTC_RTCMR (*(volatile unsigned char *) (RTC_BASE + 0x004)) | ||
| 26 | #define RTC_RTCS (*(volatile unsigned char *) (RTC_BASE + 0x008)) | ||
| 27 | #define RTC_RTCC (*(volatile unsigned char *) (RTC_BASE + 0x008)) | ||
| 28 | #define RTC_RTCDV (*(volatile unsigned char *) (RTC_BASE + 0x00c)) | ||
| 29 | #define RTC_RTCCR (*(volatile unsigned char *) (RTC_BASE + 0x010)) | ||
| 30 | |||
| 31 | /* | ||
| 32 | * RTCCR register values | ||
| 33 | */ | ||
| 34 | #define RTC_RATE_32 0x00 /* 32 Hz tick */ | ||
| 35 | #define RTC_RATE_64 0x10 /* 64 Hz tick */ | ||
| 36 | #define RTC_RATE_128 0x20 /* 128 Hz tick */ | ||
| 37 | #define RTC_RATE_256 0x30 /* 256 Hz tick */ | ||
| 38 | #define RTC_EN_ALARM 0x01 /* Enable alarm */ | ||
| 39 | #define RTC_EN_TIC 0x04 /* Enable counter */ | ||
| 40 | #define RTC_EN_STWDOG 0x08 /* Enable watchdog */ | ||
| 41 | |||
| 42 | /* | ||
| 43 | * Handler for RTC timer interrupt | ||
| 44 | */ | ||
| 45 | static irqreturn_t | ||
| 46 | timer_interrupt(int irq, void *dev_id) | ||
| 47 | { | ||
| 48 | struct pt_regs *regs = get_irq_regs(); | ||
| 49 | do_timer(1); | ||
| 50 | #ifndef CONFIG_SMP | ||
| 51 | update_process_times(user_mode(regs)); | ||
| 52 | #endif | ||
| 53 | do_profile(regs); | ||
| 54 | RTC_RTCC = 0; /* Clear interrupt */ | ||
| 55 | |||
| 56 | return IRQ_HANDLED; | ||
| 57 | } | ||
| 58 | |||
| 59 | /* | ||
| 60 | * Set up RTC timer interrupt, and return the current time in seconds. | ||
| 61 | */ | ||
| 62 | void __init time_init(void) | ||
| 63 | { | ||
| 64 | RTC_RTCC = 0; /* Clear interrupt */ | ||
| 65 | |||
| 66 | timer_irq.handler = timer_interrupt; | ||
| 67 | |||
| 68 | setup_irq(IRQ_RTC_TICK, &timer_irq); | ||
| 69 | |||
| 70 | RTC_RTCCR = RTC_RATE_128 | RTC_EN_TIC; /* Set rate and enable timer */ | ||
| 71 | } | ||
| 72 | |||
| 73 | #endif | ||