linux/arch/mips/qemu/q-setup.c

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#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();
}