X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-shark%2Fcore.c;h=e4ae688899c12054589140d8fdd825c4f815fcae;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=fed8a03ddcf9899ffdc97369854d19122e8f3992;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index fed8a03dd..e4ae68889 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -5,13 +5,18 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/io.h>
+#include <asm/leds.h>
+#include <asm/param.h>
 
 #include <asm/mach/map.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/time.h>
 
 extern void shark_init_irq(void);
 
@@ -24,10 +29,43 @@ static void __init shark_map_io(void)
 	iotable_init(shark_io_desc, ARRAY_SIZE(shark_io_desc));
 }
 
+#define IRQ_TIMER 0
+#define HZ_TIME ((1193180 + HZ/2) / HZ)
+
+static irqreturn_t
+shark_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	timer_tick(regs);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction shark_timer_irq = {
+	.name		= "Shark Timer Tick",
+	.flags		= SA_INTERRUPT,
+	.handler	= shark_timer_interrupt
+};
+
+/*
+ * Set up timer interrupt, and return the current time in seconds.
+ */
+void __init shark_init_time(void)
+{
+        unsigned long flags;
+
+	outb(0x34, 0x43);               /* binary, mode 0, LSB/MSB, Ch 0 */
+	outb(HZ_TIME & 0xff, 0x40);     /* LSB of count */
+	outb(HZ_TIME >> 8, 0x40);
+
+	setup_irq(IRQ_TIMER, &shark_timer_irq);
+}
+
+
 MACHINE_START(SHARK, "Shark")
 	MAINTAINER("Alexander Schulz")
 	BOOT_MEM(0x08000000, 0x40000000, 0xe0000000)
 	BOOT_PARAMS(0x08003000)
 	MAPIO(shark_map_io)
 	INITIRQ(shark_init_irq)
+	INITTIME(shark_init_time)
 MACHINE_END