//char * buf="Hello World ->\n";

int gboot_main()
{
	int num;
	
	//unsigned char buf[1024*4];
#ifdef MMU_ON
    mmu_init();
#endif
	
		uart_init();
    	led_init();
    
    	button_init();
    
    	init_irq();
    
    	led_on();

		dma_init();

		dma_start();
    
   	while(1)
	{
		//getc();

			printf("\n\r***************************************\n\r");
	    	printf("\n\r*****************GBOOT*****************\n\r");
	    	printf("1:Download Linux Kernel from TFTP Server!\n\r");
	    	printf("2:Boot Linux from RAM!\n\r");
	    	printf("3:Boor Linux from Nand Flash!\n\r");
	    	printf("\n Plese Select:");
	    	
	    	scanf("%d",&num);
	        switch (num)
	        {
	            case 1:
	            //tftp_load();
	            break;
	            case 2:
	            //boot_linux_ram();
	            break;
	            
	            case 3:
	            //boot_linux_nand();
	            break;
	            default:
	                printf("Error: wrong selection!\n\r");
	            break;
	
			}
    }
    	
    	return 0;    
	
}