1 /*
2 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
3 * JZ4740 SoC prom code
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 *
10 * You should have received a copy of the GNU General Public License along
11 * with this program; if not, write to the Free Software Foundation, Inc.,
12 * 675 Mass Ave, Cambridge, MA 02139, USA.
13 *
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/string.h>
19
20 #include <linux/serial_reg.h>
21
22 #include <asm/bootinfo.h>
23 #include <asm/mach-jz4740/base.h>
24
jz4740_init_cmdline(int argc,char * argv[])25 static __init void jz4740_init_cmdline(int argc, char *argv[])
26 {
27 unsigned int count = COMMAND_LINE_SIZE - 1;
28 int i;
29 char *dst = &(arcs_cmdline[0]);
30 char *src;
31
32 for (i = 1; i < argc && count; ++i) {
33 src = argv[i];
34 while (*src && count) {
35 *dst++ = *src++;
36 --count;
37 }
38 *dst++ = ' ';
39 }
40 if (i > 1)
41 --dst;
42
43 *dst = 0;
44 }
45
prom_init(void)46 void __init prom_init(void)
47 {
48 jz4740_init_cmdline((int)fw_arg0, (char **)fw_arg1);
49 mips_machtype = MACH_INGENIC_JZ4740;
50 }
51
prom_free_prom_memory(void)52 void __init prom_free_prom_memory(void)
53 {
54 }
55