// SPDX-License-Identifier: GPL-2.0-or-later /* * prom.c: * * Copyright 2008 NXP Semiconductors * Chris Steel <chris.steel@nxp.com> * Daniel Laird <daniel.j.laird@nxp.com> * * Based on software written by: * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. */ #include <linux/init.h> #include <asm/bootinfo.h> #include <linux/string.h> void __init prom_init_cmdline(void) { int argc = fw_arg0; char **argv = (char **)fw_arg1; char *c = &(arcs_cmdline[0]); int i; for (i = 1; i < argc; i++) { strcpy(c, argv[i]); c += strlen(argv[i]); if (i < argc-1) *c++ = ' '; } *c = 0; } char __init *prom_getenv(char *envname) { extern char **prom_envp; char **env = prom_envp; int i; i = strlen(envname); while (*env) { if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=') return *env + i + 1; env++; } return 0; } void __init prom_free_prom_memory(void) { }