#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/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 = {
- { IO_BASE , IO_START , IO_SIZE , MT_DEVICE }
+ {
+ .virtual = IO_BASE,
+ .pfn = __phys_to_pfn(IO_START),
+ .length = IO_SIZE,
+ .type = MT_DEVICE
+ }
};
static void __init shark_map_io(void)
#define HZ_TIME ((1193180 + HZ/2) / HZ)
static irqreturn_t
-shark_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+shark_timer_interrupt(int irq, void *dev_id)
{
- timer_tick(regs);
-
+ write_seqlock(&xtime_lock);
+ timer_tick();
+ write_sequnlock(&xtime_lock);
return IRQ_HANDLED;
}
static struct irqaction shark_timer_irq = {
.name = "Shark Timer Tick",
- .flags = SA_INTERRUPT,
- .handler = shark_timer_interrupt
+ .flags = IRQF_DISABLED | IRQF_TIMER,
+ .handler = shark_timer_interrupt,
};
/*
* Set up timer interrupt, and return the current time in seconds.
*/
-void __init shark_init_time(void)
+static void __init shark_timer_init(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);
}
+static struct sys_timer shark_timer = {
+ .init = shark_timer_init,
+};
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)
+ /* 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