diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 4 | ||||
| -rw-r--r-- | arch/mips/cobalt/time.c | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/i8253.h | 24 | ||||
| -rw-r--r-- | arch/mips/jazz/irq.c | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/i8253.c | 102 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-time.c | 2 | ||||
| -rw-r--r-- | arch/mips/sgi-ip22/ip22-time.c | 2 | ||||
| -rw-r--r-- | arch/mips/sni/time.c | 2 |
8 files changed, 12 insertions, 128 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 653da62d068..6cb60adb7b3 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -185,6 +185,7 @@ config MACH_JAZZ select CSRC_R4K select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN select GENERIC_ISA_DMA + select HAVE_PCSPKR_PLATFORM select IRQ_CPU select I8253 select I8259 @@ -266,6 +267,7 @@ config MIPS_MALTA select CSRC_R4K select DMA_NONCOHERENT select GENERIC_ISA_DMA + select HAVE_PCSPKR_PLATFORM select IRQ_CPU select IRQ_GIC select HW_HAS_PCI @@ -640,6 +642,7 @@ config SNI_RM select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN select DMA_NONCOHERENT select GENERIC_ISA_DMA + select HAVE_PCSPKR_PLATFORM select HW_HAS_EISA select HW_HAS_PCI select IRQ_CPU @@ -2388,6 +2391,7 @@ config MMU config I8253 bool select CLKSRC_I8253 + select CLKEVT_I8253 select MIPS_EXTERNAL_TIMER config ZONE_DMA32 diff --git a/arch/mips/cobalt/time.c b/arch/mips/cobalt/time.c index 0162f9edc69..3bff3b820ba 100644 --- a/arch/mips/cobalt/time.c +++ b/arch/mips/cobalt/time.c @@ -17,10 +17,10 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <linux/i8253.h> #include <linux/init.h> #include <asm/gt64120.h> -#include <asm/i8253.h> #include <asm/time.h> #define GT641XX_BASE_CLOCK 50000000 /* 50MHz */ diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h deleted file mode 100644 index 9ad011366f7..00000000000 --- a/arch/mips/include/asm/i8253.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Machine specific IO port address definition for generic. - * Written by Osamu Tomita <tomita@cinet.co.jp> - */ -#ifndef __ASM_I8253_H -#define __ASM_I8253_H - -#include <linux/spinlock.h> - -/* i8253A PIT registers */ -#define PIT_MODE 0x43 -#define PIT_CH0 0x40 -#define PIT_CH2 0x42 - -#define PIT_LATCH LATCH - -extern raw_spinlock_t i8253_lock; - -extern void setup_pit_timer(void); - -#define inb_pit inb_p -#define outb_pit outb_p - -#endif /* __ASM_I8253_H */ diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 260df475094..ca9bd206914 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -7,6 +7,7 @@ * Copyright (C) 1994 - 2001, 2003, 07 Ralf Baechle */ #include <linux/clockchips.h> +#include <linux/i8253.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> @@ -15,7 +16,6 @@ #include <linux/irq.h> #include <asm/irq_cpu.h> -#include <asm/i8253.h> #include <asm/i8259.h> #include <asm/io.h> #include <asm/jazz.h> diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c index 391221b6a6a..be4ee7d63e0 100644 --- a/arch/mips/kernel/i8253.c +++ b/arch/mips/kernel/i8253.c @@ -3,96 +3,16 @@ * */ #include <linux/clockchips.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/jiffies.h> +#include <linux/i8253.h> #include <linux/module.h> #include <linux/smp.h> -#include <linux/spinlock.h> #include <linux/irq.h> -#include <asm/delay.h> -#include <asm/i8253.h> -#include <asm/io.h> #include <asm/time.h> -DEFINE_RAW_SPINLOCK(i8253_lock); -EXPORT_SYMBOL(i8253_lock); - -/* - * Initialize the PIT timer. - * - * This is also called after resume to bring the PIT into operation again. - */ -static void init_pit_timer(enum clock_event_mode mode, - struct clock_event_device *evt) -{ - raw_spin_lock(&i8253_lock); - - switch(mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* binary, mode 2, LSB/MSB, ch 0 */ - outb_p(0x34, PIT_MODE); - outb_p(LATCH & 0xff , PIT_CH0); /* LSB */ - outb(LATCH >> 8 , PIT_CH0); /* MSB */ - break; - - case CLOCK_EVT_MODE_SHUTDOWN: - case CLOCK_EVT_MODE_UNUSED: - if (evt->mode == CLOCK_EVT_MODE_PERIODIC || - evt->mode == CLOCK_EVT_MODE_ONESHOT) { - outb_p(0x30, PIT_MODE); - outb_p(0, PIT_CH0); - outb_p(0, PIT_CH0); - } - break; - - case CLOCK_EVT_MODE_ONESHOT: - /* One shot setup */ - outb_p(0x38, PIT_MODE); - break; - - case CLOCK_EVT_MODE_RESUME: - /* Nothing to do here */ - break; - } - raw_spin_unlock(&i8253_lock); -} - -/* - * Program the next event in oneshot mode - * - * Delta is given in PIT ticks - */ -static int pit_next_event(unsigned long delta, struct clock_event_device *evt) -{ - raw_spin_lock(&i8253_lock); - outb_p(delta & 0xff , PIT_CH0); /* LSB */ - outb(delta >> 8 , PIT_CH0); /* MSB */ - raw_spin_unlock(&i8253_lock); - - return 0; -} - -/* - * On UP the PIT can serve all of the possible timer functions. On SMP systems - * it can be solely used for the global tick. - * - * The profiling and update capabilites are switched off once the local apic is - * registered. This mechanism replaces the previous #ifdef LOCAL_APIC - - * !using_apic_timer decisions in do_timer_interrupt_hook() - */ -static struct clock_event_device pit_clockevent = { - .name = "pit", - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .set_mode = init_pit_timer, - .set_next_event = pit_next_event, - .irq = 0, -}; - static irqreturn_t timer_interrupt(int irq, void *dev_id) { - pit_clockevent.event_handler(&pit_clockevent); + i8253_clockevent.event_handler(&i8253_clockevent); return IRQ_HANDLED; } @@ -103,25 +23,9 @@ static struct irqaction irq0 = { .name = "timer" }; -/* - * Initialize the conversion factor and the min/max deltas of the clock event - * structure and register the clock event source with the framework. - */ void __init setup_pit_timer(void) { - struct clock_event_device *cd = &pit_clockevent; - unsigned int cpu = smp_processor_id(); - - /* - * Start pit with the boot cpu mask and make it global after the - * IO_APIC has been initialized. - */ - cd->cpumask = cpumask_of(cpu); - clockevent_set_clock(cd, CLOCK_TICK_RATE); - cd->max_delta_ns = clockevent_delta2ns(0x7FFF, cd); - cd->min_delta_ns = clockevent_delta2ns(0xF, cd); - clockevents_register_device(cd); - + clockevent_i8253_init(true); setup_irq(0, &irq0); } diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 1620b83cd13..f8ee945ee41 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -19,6 +19,7 @@ */ #include <linux/types.h> +#include <linux/i8253.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sched.h> @@ -31,7 +32,6 @@ #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> #include <asm/hardirq.h> -#include <asm/i8253.h> #include <asm/irq.h> #include <asm/div64.h> #include <asm/cpu.h> diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index 1a94c989418..60719244933 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -10,6 +10,7 @@ * Copyright (C) 2003, 06 Ralf Baechle (ralf@linux-mips.org) */ #include <linux/bcd.h> +#include <linux/i8253.h> #include <linux/init.h> #include <linux/irq.h> #include <linux/kernel.h> @@ -20,7 +21,6 @@ #include <asm/cpu.h> #include <asm/mipsregs.h> -#include <asm/i8253.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/time.h> diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index 0904d4d30cb..ec0be14996a 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -1,11 +1,11 @@ #include <linux/types.h> +#include <linux/i8253.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/smp.h> #include <linux/time.h> #include <linux/clockchips.h> -#include <asm/i8253.h> #include <asm/sni.h> #include <asm/time.h> #include <asm-generic/rtc.h> |