diff options
Diffstat (limited to 'arch/mips/pnx833x/common/prom.c')
| -rw-r--r-- | arch/mips/pnx833x/common/prom.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/pnx833x/common/prom.c b/arch/mips/pnx833x/common/prom.c new file mode 100644 index 000000000000..29969f90a6b0 --- /dev/null +++ b/arch/mips/pnx833x/common/prom.c | |||
| @@ -0,0 +1,64 @@ | |||
| 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 | } | ||
