diff options
Diffstat (limited to 'arch/mips/au1000/common/prom.c')
| -rw-r--r-- | arch/mips/au1000/common/prom.c | 61 |
1 files changed, 26 insertions, 35 deletions
diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c index a8637cdb5b4b..90d70695aa60 100644 --- a/arch/mips/au1000/common/prom.c +++ b/arch/mips/au1000/common/prom.c @@ -33,7 +33,6 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -41,18 +40,16 @@ #include <asm/bootinfo.h> -/* #define DEBUG_CMDLINE */ - -extern int prom_argc; -extern char **prom_argv, **prom_envp; - +int prom_argc; +char **prom_argv; +char **prom_envp; char * __init_or_module prom_getcmdline(void) { return &(arcs_cmdline[0]); } -void prom_init_cmdline(void) +void prom_init_cmdline(void) { char *cp; int actr; @@ -61,7 +58,7 @@ void prom_init_cmdline(void) cp = &(arcs_cmdline[0]); while(actr < prom_argc) { - strcpy(cp, prom_argv[actr]); + strcpy(cp, prom_argv[actr]); cp += strlen(prom_argv[actr]); *cp++ = ' '; actr++; @@ -70,10 +67,8 @@ void prom_init_cmdline(void) --cp; if (prom_argc > 1) *cp = '\0'; - } - char *prom_getenv(char *envname) { /* @@ -95,21 +90,23 @@ char *prom_getenv(char *envname) } env++; } + return NULL; } -inline unsigned char str2hexnum(unsigned char c) +static inline unsigned char str2hexnum(unsigned char c) { - if(c >= '0' && c <= '9') + if (c >= '0' && c <= '9') return c - '0'; - if(c >= 'a' && c <= 'f') + if (c >= 'a' && c <= 'f') return c - 'a' + 10; - if(c >= 'A' && c <= 'F') + if (c >= 'A' && c <= 'F') return c - 'A' + 10; + return 0; /* foo */ } -inline void str2eaddr(unsigned char *ea, unsigned char *str) +static inline void str2eaddr(unsigned char *ea, unsigned char *str) { int i; @@ -124,35 +121,29 @@ inline void str2eaddr(unsigned char *ea, unsigned char *str) } } -int get_ethernet_addr(char *ethernet_addr) +int prom_get_ethernet_addr(char *ethernet_addr) { - char *ethaddr_str; + char *ethaddr_str; + char *argptr; - ethaddr_str = prom_getenv("ethaddr"); + /* Check the environment variables first */ + ethaddr_str = prom_getenv("ethaddr"); if (!ethaddr_str) { - printk("ethaddr not set in boot prom\n"); - return -1; - } - str2eaddr(ethernet_addr, ethaddr_str); - -#if 0 - { - int i; + /* Check command line */ + argptr = prom_getcmdline(); + ethaddr_str = strstr(argptr, "ethaddr="); + if (!ethaddr_str) + return -1; - printk("get_ethernet_addr: "); - for (i=0; i<5; i++) - printk("%02x:", (unsigned char)*(ethernet_addr+i)); - printk("%02x\n", *(ethernet_addr+i)); + ethaddr_str += strlen("ethaddr="); } -#endif + + str2eaddr(ethernet_addr, ethaddr_str); return 0; } +EXPORT_SYMBOL(prom_get_ethernet_addr); void __init prom_free_prom_memory(void) { } - -EXPORT_SYMBOL(prom_getcmdline); -EXPORT_SYMBOL(get_ethernet_addr); -EXPORT_SYMBOL(str2eaddr); |