[PATCH] mips: add support for Qemu system architecture
[linux-2.6.git] / arch / mips / qemu / q-setup.c
1 #include <linux/init.h>
2 #include <asm/io.h>
3 #include <asm/time.h>
4
5 #define QEMU_PORT_BASE 0xb4000000
6
7 static void __init qemu_timer_setup(struct irqaction *irq)
8 {
9         /* set the clock to 100 Hz */
10         outb_p(0x34,0x43);              /* binary, mode 2, LSB/MSB, ch 0 */
11         outb_p(LATCH & 0xff , 0x40);    /* LSB */
12         outb(LATCH >> 8 , 0x40);        /* MSB */
13         setup_irq(0, irq);
14 }
15
16 void __init plat_setup(void)
17 {
18         set_io_port_base(QEMU_PORT_BASE);
19         board_timer_setup = qemu_timer_setup;
20 }