1/* 2 * 3 * BRIEF MODULE DESCRIPTION 4 * 4G Systems MTX-1 board setup 5 * 6 * Copyright 2003, 2008 MontaVista Software Inc. 7 * Author: MontaVista Software, Inc. <source@mvista.com> 8 * Bruno Randolf <bruno.randolf@4g-systems.biz> 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or (at your 13 * option) any later version. 14 * 15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * You should have received a copy of the GNU General Public License along 27 * with this program; if not, write to the Free Software Foundation, Inc., 28 * 675 Mass Ave, Cambridge, MA 02139, USA. 29 */ 30 31#include <linux/kernel.h> 32#include <linux/init.h> 33 34#include <asm/bootinfo.h> 35#include <asm/mach-au1x00/au1000.h> 36 37#include <prom.h> 38 39const char *get_system_type(void) 40{ 41 return "MTX-1"; 42} 43 44void __init prom_init(void) 45{ 46 unsigned char *memsize_str; 47 unsigned long memsize; 48 49 prom_argc = fw_arg0; 50 prom_argv = (char **)fw_arg1; 51 prom_envp = (char **)fw_arg2; 52 53 prom_init_cmdline(); 54 55 memsize_str = prom_getenv("memsize"); 56 if (!memsize_str) 57 memsize = 0x04000000; 58 else 59 strict_strtoul(memsize_str, 0, &memsize); 60 add_memory_region(0, memsize, BOOT_MEM_RAM); 61} 62 63void prom_putchar(unsigned char c) 64{ 65 alchemy_uart_putchar(UART0_PHYS_ADDR, c); 66} 67