diff options
Diffstat (limited to 'target/linux/adm5120-2.6/files/arch/mips/adm5120/prom/generic.c')
| -rw-r--r-- | target/linux/adm5120-2.6/files/arch/mips/adm5120/prom/generic.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom/generic.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom/generic.c new file mode 100644 index 000000000..412e9a7bd --- /dev/null +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom/generic.c @@ -0,0 +1,60 @@ +/* + * $Id$ + * + * Generic PROM routines + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/string.h> + +#include <asm/bootinfo.h> + +#include <prom/generic.h> + +static int *_prom_argc; +static char **_prom_argv; +static char **_prom_envp; + +char *generic_prom_getenv(char *envname) +{ + char **env; + char *ret; + + ret = NULL; + for (env = _prom_envp; *env != NULL; env++) { + if (strcmp(envname, *env++) == 0) { + ret = *env; + break; + } + } + + return ret; +} + +int generic_prom_present(void) +{ + _prom_argc = (int *)fw_arg0; + _prom_argv = (char **)fw_arg1; + _prom_envp = (char **)fw_arg2; + + return 1; +} |