#include #include #include #define QEMU_PORT_BASE 0xb4000000 const char *get_system_type(void) { return "Qemu"; } static void __init qemu_timer_setup(struct irqaction *irq) { /* set the clock to 100 Hz */ outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */ outb_p(LATCH & 0xff , 0x40); /* LSB */ outb(LATCH >> 8 , 0x40); /* MSB */ setup_irq(0, irq); } void __init plat_setup(void) { set_io_port_base(QEMU_PORT_BASE); board_timer_setup = qemu_timer_setup; }