.

.

.

board/raspberrypi/rpi/rpi.c

1    int board_init(void)
2    {
3    #ifndef CONFIG_PL01X_SERIAL
4            rpi_disable_inactive_uart();
5    #endif
6    
7            get_board_rev();
8    
9            gd->bd->bi_boot_params = 0x100;
10    
11            return power_on_module(BCM2835_MBOX_POWER_DEVID_USB_HCD);
12    }

.

.