/* * This file is part of the coreboot project. * * Copyright (C) 2010 Marc Bertens * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "chip.h" #include #include #include #include #include #define OUTB outb #define INB inb /* * Taken from flashrom project * Generic Super I/O helper functions */ static uint8_t sio_read(uint16_t port, uint8_t reg) { OUTB( reg, port ); return ( INB( port + 1 ) ); } static void sio_write(uint16_t port, uint8_t reg, uint8_t data) { OUTB( reg, port ); OUTB( data, port + 1 ); return; } static void nokia_ip530_board_enable( device_t dev ) { print_debug( "Setting up IP530-Super I/O devices\n"); sio_write( 0x20, 0x03, 0x80 ); printk( BIOS_DEBUG, "--Register 0x03 = %X := 0x80\n", sio_read( 0x20, 0x03 ) ); sio_write( 0x20, 0x22, 0x30 ); printk( BIOS_DEBUG, "--Register 0x22 = %X := 0x30\n", sio_read( 0x20, 0x22 ) ); sio_write( 0x20, 0x24, 0x84 ); printk( BIOS_DEBUG, "--Register 0x24 = %X := 0x84\n", sio_read( 0x20, 0x24 ) ); return; } struct chip_operations mainboard_ops = { CHIP_NAME("Nokia IP530 Mainboard") .enable_dev = nokia_ip530_board_enable, };