1 /*
2 * BRIEF MODULE DESCRIPTION
3 * XXS1500 board setup
4 *
5 * Copyright 2003, 2008 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc. <source@mvista.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28
29 #include <linux/init.h>
30 #include <linux/kernel.h>
31
32 #include <asm/bootinfo.h>
33 #include <asm/mach-au1x00/au1000.h>
34
35 #include <prom.h>
36
get_system_type(void)37 const char *get_system_type(void)
38 {
39 return "XXS1500";
40 }
41
prom_init(void)42 void __init prom_init(void)
43 {
44 unsigned char *memsize_str;
45 unsigned long memsize;
46
47 prom_argc = fw_arg0;
48 prom_argv = (char **)fw_arg1;
49 prom_envp = (char **)fw_arg2;
50
51 prom_init_cmdline();
52
53 memsize_str = prom_getenv("memsize");
54 if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize))
55 memsize = 0x04000000;
56
57 add_memory_region(0, memsize, BOOT_MEM_RAM);
58 }
59
prom_putchar(unsigned char c)60 void prom_putchar(unsigned char c)
61 {
62 alchemy_uart_putchar(UART0_PHYS_ADDR, c);
63 }
64