diff options
Diffstat (limited to 'arch/mips/nxp/pnx833x/common/prom.c')
-rw-r--r-- | arch/mips/nxp/pnx833x/common/prom.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/mips/nxp/pnx833x/common/prom.c b/arch/mips/nxp/pnx833x/common/prom.c new file mode 100644 index 000000000000..2a41e8fec210 --- /dev/null +++ b/arch/mips/nxp/pnx833x/common/prom.c | |||
@@ -0,0 +1,70 @@ | |||
1 | /* | ||
2 | * prom.c: | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * Based on software written by: | ||
9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | #include <linux/init.h> | ||
26 | #include <asm/bootinfo.h> | ||
27 | #include <linux/string.h> | ||
28 | |||
29 | void __init prom_init_cmdline(void) | ||
30 | { | ||
31 | int argc = fw_arg0; | ||
32 | char **argv = (char **)fw_arg1; | ||
33 | char *c = &(arcs_cmdline[0]); | ||
34 | int i; | ||
35 | |||
36 | for (i = 1; i < argc; i++) { | ||
37 | strcpy(c, argv[i]); | ||
38 | c += strlen(argv[i]); | ||
39 | if (i < argc-1) | ||
40 | *c++ = ' '; | ||
41 | } | ||
42 | *c = 0; | ||
43 | } | ||
44 | |||
45 | char __init *prom_getenv(char *envname) | ||
46 | { | ||
47 | extern char **prom_envp; | ||
48 | char **env = prom_envp; | ||
49 | int i; | ||
50 | |||
51 | i = strlen(envname); | ||
52 | |||
53 | while (*env) { | ||
54 | if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=') | ||
55 | return *env + i + 1; | ||
56 | env++; | ||
57 | } | ||
58 | |||
59 | return 0; | ||
60 | } | ||
61 | |||
62 | void __init prom_free_prom_memory(void) | ||
63 | { | ||
64 | } | ||
65 | |||
66 | char * __init prom_getcmdline(void) | ||
67 | { | ||
68 | return arcs_cmdline; | ||
69 | } | ||
70 | |||