|  | #include <linux/init.h> | 
|  | #include <asm/io.h> | 
|  | #include <asm/time.h> | 
|  |  | 
|  | extern void qemu_reboot_setup(void); | 
|  |  | 
|  | #define QEMU_PORT_BASE 0xb4000000 | 
|  |  | 
|  | const char *get_system_type(void) | 
|  | { | 
|  | return "Qemu"; | 
|  | } | 
|  |  | 
|  | void __init plat_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_mem_setup(void) | 
|  | { | 
|  | set_io_port_base(QEMU_PORT_BASE); | 
|  | qemu_reboot_setup(); | 
|  | } |