71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
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/*
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* prom.c:
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*
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* Copyright 2008 NXP Semiconductors
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* Chris Steel <chris.steel@nxp.com>
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* Daniel Laird <daniel.j.laird@nxp.com>
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*
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* Based on software written by:
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* Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <asm/bootinfo.h>
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#include <linux/string.h>
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void __init prom_init_cmdline(void)
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{
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int argc = fw_arg0;
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char **argv = (char **)fw_arg1;
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char *c = &(arcs_cmdline[0]);
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int i;
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for (i = 1; i < argc; i++) {
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strcpy(c, argv[i]);
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c += strlen(argv[i]);
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if (i < argc-1)
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*c++ = ' ';
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}
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*c = 0;
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}
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char __init *prom_getenv(char *envname)
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{
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extern char **prom_envp;
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char **env = prom_envp;
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int i;
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i = strlen(envname);
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while (*env) {
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if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=')
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return *env + i + 1;
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env++;
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}
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return 0;
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}
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void __init prom_free_prom_memory(void)
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{
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}
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char * __init prom_getcmdline(void)
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{
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return arcs_cmdline;
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}
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