diff options
Diffstat (limited to 'arch/arm/mach-netx')
| -rw-r--r-- | arch/arm/mach-netx/generic.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-netx/time.c | 42 |
2 files changed, 33 insertions, 15 deletions
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c index edbbbdc3b06..b9ca8f98265 100644 --- a/arch/arm/mach-netx/generic.c +++ b/arch/arm/mach-netx/generic.c @@ -69,7 +69,7 @@ static struct platform_device *devices[] __initdata = { #endif static void -netx_hif_demux_handler(unsigned int irq_unused, struct irqdesc *desc) +netx_hif_demux_handler(unsigned int irq_unused, struct irq_desc *desc) { unsigned int irq = NETX_IRQ_HIF_CHAINED(0); unsigned int stat; @@ -160,7 +160,7 @@ netx_hif_unmask_irq(unsigned int _irq) DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq); } -static struct irqchip netx_hif_chip = { +static struct irq_chip netx_hif_chip = { .ack = netx_hif_ack_irq, .mask = netx_hif_mask_irq, .unmask = netx_hif_unmask_irq, @@ -175,7 +175,7 @@ void __init netx_init_irq(void) for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) { set_irq_chip(irq, &netx_hif_chip); - set_irq_handler(irq, do_level_IRQ); + set_irq_handler(irq, handle_level_irq); set_irq_flags(irq, IRQF_VALID); } diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c index 0993336c0b5..5773b55ef4a 100644 --- a/arch/arm/mach-netx/time.c +++ b/arch/arm/mach-netx/time.c @@ -19,6 +19,8 @@ #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/clocksource.h> #include <asm/hardware.h> #include <asm/io.h> @@ -26,15 +28,6 @@ #include <asm/arch/netx-regs.h> /* - * Returns number of us since last clock interrupt. Note that interrupts - * will have been disabled by do_gettimeoffset() - */ -static unsigned long netx_gettimeoffset(void) -{ - return readl(NETX_GPIO_COUNTER_CURRENT(0)) / 100; -} - -/* * IRQ handler for the timer */ static irqreturn_t @@ -43,6 +36,7 @@ netx_timer_interrupt(int irq, void *dev_id) write_seqlock(&xtime_lock); timer_tick(); + write_sequnlock(&xtime_lock); /* acknowledge interrupt */ @@ -51,13 +45,26 @@ netx_timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } - static struct irqaction netx_timer_irq = { .name = "NetX Timer Tick", .flags = IRQF_DISABLED | IRQF_TIMER, .handler = netx_timer_interrupt, }; +cycle_t netx_get_cycles(void) +{ + return readl(NETX_GPIO_COUNTER_CURRENT(1)); +} + +static struct clocksource clocksource_netx = { + .name = "netx_timer", + .rating = 200, + .read = netx_get_cycles, + .mask = CLOCKSOURCE_MASK(32), + .shift = 20, + .is_continuous = 1, +}; + /* * Set up timer interrupt */ @@ -80,9 +87,20 @@ static void __init netx_timer_init(void) NETX_GPIO_COUNTER_CTRL(0)); setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq); + + /* Setup timer one for clocksource */ + writel(0, NETX_GPIO_COUNTER_CTRL(1)); + writel(0, NETX_GPIO_COUNTER_CURRENT(1)); + writel(0xFFFFFFFF, NETX_GPIO_COUNTER_MAX(1)); + + writel(NETX_GPIO_COUNTER_CTRL_RUN, + NETX_GPIO_COUNTER_CTRL(1)); + + clocksource_netx.mult = + clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_netx.shift); + clocksource_register(&clocksource_netx); } struct sys_timer netx_timer = { - .init = netx_timer_init, - .offset = netx_gettimeoffset, + .init = netx_timer_init, }; |