| Wolfgang Grandegger | cb8f55b | 2010-07-15 11:21:23 +0200 | [diff] [blame] | 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 | |
| 36 | const char *get_system_type(void) |
| 37 | { |
| 38 | return "GPR"; |
| 39 | } |
| 40 | |
| 41 | void __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 | |
| 60 | void prom_putchar(unsigned char c) |
| 61 | { |
| 62 | alchemy_uart_putchar(UART0_PHYS_ADDR, c); |
| 63 | } |