diff options
Diffstat (limited to 'arch/mips/jmr3927')
| -rw-r--r-- | arch/mips/jmr3927/rbhma3100/setup.c | 83 |
1 files changed, 7 insertions, 76 deletions
diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c index edb9e59248e..06e01c8f4e3 100644 --- a/arch/mips/jmr3927/rbhma3100/setup.c +++ b/arch/mips/jmr3927/rbhma3100/setup.c @@ -27,17 +27,13 @@ * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) */ -#include <linux/clockchips.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/kdev_t.h> #include <linux/types.h> -#include <linux/sched.h> #include <linux/pci.h> #include <linux/ide.h> -#include <linux/irq.h> #include <linux/ioport.h> -#include <linux/param.h> /* for HZ */ #include <linux/delay.h> #include <linux/pm.h> #include <linux/platform_device.h> @@ -48,17 +44,13 @@ #endif #include <asm/addrspace.h> -#include <asm/time.h> +#include <asm/txx9tmr.h> #include <asm/reboot.h> #include <asm/jmr3927/jmr3927.h> #include <asm/mipsregs.h> extern void puts(const char *cp); -/* Tick Timer divider */ -#define JMR3927_TIMER_CCD 0 /* 1/2 */ -#define JMR3927_TIMER_CLK (JMR3927_IMCLK / (2 << JMR3927_TIMER_CCD)) - /* don't enable - see errata */ static int jmr3927_ccfg_toeon; @@ -93,66 +85,12 @@ static void jmr3927_machine_power_off(void) while (1); } -static cycle_t jmr3927_hpt_read(void) -{ - /* We assume this function is called xtime_lock held. */ - return jiffies * (JMR3927_TIMER_CLK / HZ) + jmr3927_tmrptr->trr; -} - -static void jmr3927_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) -{ - /* Nothing to do here */ -} - -struct clock_event_device jmr3927_clock_event_device = { - .name = "MIPS", - .features = CLOCK_EVT_FEAT_PERIODIC, - .shift = 32, - .rating = 300, - .cpumask = CPU_MASK_CPU0, - .irq = JMR3927_IRQ_TICK, - .set_mode = jmr3927_set_mode, -}; - -static irqreturn_t jmr3927_timer_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *cd = &jmr3927_clock_event_device; - - jmr3927_tmrptr->tisr = 0; /* ack interrupt */ - - cd->event_handler(cd); - - return IRQ_HANDLED; -} - -static struct irqaction jmr3927_timer_irqaction = { - .handler = jmr3927_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, - .name = "jmr3927-timer", -}; - void __init plat_time_init(void) { - struct clock_event_device *cd; - - clocksource_mips.read = jmr3927_hpt_read; - mips_hpt_frequency = JMR3927_TIMER_CLK; - - jmr3927_tmrptr->cpra = JMR3927_TIMER_CLK / HZ; - jmr3927_tmrptr->itmr = TXx927_TMTITMR_TIIE | TXx927_TMTITMR_TZCE; - jmr3927_tmrptr->ccdr = JMR3927_TIMER_CCD; - jmr3927_tmrptr->tcr = - TXx927_TMTCR_TCE | TXx927_TMTCR_CCDE | TXx927_TMTCR_TMODE_ITVL; - - cd = &jmr3927_clock_event_device; - /* Calculate the min / max delta */ - cd->mult = div_sc((unsigned long) JMR3927_IMCLK, NSEC_PER_SEC, 32); - cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd); - cd->min_delta_ns = clockevent_delta2ns(0x300, cd); - clockevents_register_device(cd); - - setup_irq(JMR3927_IRQ_TICK, &jmr3927_timer_irqaction); + txx9_clockevent_init(TX3927_TMR_REG(0), + TXX9_IRQ_BASE + JMR3927_IRQ_IRC_TMR(0), + JMR3927_IMCLK); + txx9_clocksource_init(TX3927_TMR_REG(1), JMR3927_IMCLK); } #define DO_WRITE_THROUGH @@ -317,15 +255,8 @@ static void __init tx3927_setup(void) tx3927_ccfgptr->ccfg, tx3927_ccfgptr->pcfg); /* TMR */ - /* disable all timers */ - for (i = 0; i < TX3927_NR_TMR; i++) { - tx3927_tmrptr(i)->tcr = TXx927_TMTCR_CRE; - tx3927_tmrptr(i)->tisr = 0; - tx3927_tmrptr(i)->cpra = 0xffffffff; - tx3927_tmrptr(i)->itmr = 0; - tx3927_tmrptr(i)->ccdr = 0; - tx3927_tmrptr(i)->pgmr = 0; - } + for (i = 0; i < TX3927_NR_TMR; i++) + txx9_tmr_init(TX3927_TMR_REG(i)); /* DMA */ tx3927_dmaptr->mcr = 0; |