kernel-ark/arch/arm/mach-shark/core.c
Thomas Gleixner 52e405eaa9 [PATCH] ARM: fixup irqflags breakage after ARM genirq merge
The irgflags consolidation did conflict with the ARM to generic IRQ
conversion and was not applied for ARM. Fix it up.

Use the new IRQF_ constants and remove the SA_INTERRUPT define

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-02 17:29:22 -07:00

122 lines
2.4 KiB
C

/*
* linux/arch/arm/mach-shark/arch.c
*
* Architecture specific stuff.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/sched.h>
#include <linux/serial_8250.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>
static struct plat_serial8250_port serial_platform_data[] = {
{
.iobase = 0x3f8,
.irq = 4,
.uartclk = 1843200,
.regshift = 0,
.iotype = UPIO_PORT,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
{
.iobase = 0x2f8,
.irq = 3,
.uartclk = 1843200,
.regshift = 0,
.iotype = UPIO_PORT,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
{ },
};
static struct platform_device serial_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
};
static int __init shark_init(void)
{
int ret;
if (machine_is_shark())
ret = platform_device_register(&serial_device);
return ret;
}
arch_initcall(shark_init);
extern void shark_init_irq(void);
static struct map_desc shark_io_desc[] __initdata = {
{
.virtual = IO_BASE,
.pfn = __phys_to_pfn(IO_START),
.length = IO_SIZE,
.type = MT_DEVICE
}
};
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)
{
write_seqlock(&xtime_lock);
timer_tick(regs);
write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
static struct irqaction shark_timer_irq = {
.name = "Shark Timer Tick",
.flags = IRQF_DISABLED | IRQF_TIMER,
.handler = shark_timer_interrupt,
};
/*
* Set up timer interrupt, and return the current time in seconds.
*/
static void __init shark_timer_init(void)
{
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);
}
static struct sys_timer shark_timer = {
.init = shark_timer_init,
};
MACHINE_START(SHARK, "Shark")
/* Maintainer: Alexander Schulz */
.phys_io = 0x40000000,
.io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
.boot_params = 0x08003000,
.map_io = shark_map_io,
.init_irq = shark_init_irq,
.timer = &shark_timer,
MACHINE_END