1/* 2 * Copyright 2010 Wolfgang Grandegger <wg@denx.de> 3 * 4 * Copyright 2003, 2008 MontaVista Software Inc. 5 * Author: MontaVista Software, Inc. <source@mvista.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 * 12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 18 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 19 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * 23 * You should have received a copy of the GNU General Public License along 24 * with this program; if not, write to the Free Software Foundation, Inc., 25 * 675 Mass Ave, Cambridge, MA 02139, USA. 26 */ 27 28#include <linux/init.h> 29#include <linux/kernel.h> 30 31#include <asm/bootinfo.h> 32#include <asm/mach-au1x00/au1000.h> 33 34#include <prom.h> 35 36const char *get_system_type(void) 37{ 38 return "GPR"; 39} 40 41void __init prom_init(void) 42{ 43 unsigned char *memsize_str; 44 unsigned long memsize; 45 46 prom_argc = fw_arg0; 47 prom_argv = (char **)fw_arg1; 48 prom_envp = (char **)fw_arg2; 49 50 prom_init_cmdline(); 51 52 memsize_str = prom_getenv("memsize"); 53 if (!memsize_str) 54 memsize = 0x04000000; 55 else 56 strict_strtoul(memsize_str, 0, &memsize); 57 add_memory_region(0, memsize, BOOT_MEM_RAM); 58} 59 60void prom_putchar(unsigned char c) 61{ 62 alchemy_uart_putchar(UART0_PHYS_ADDR, c); 63} 64