diff options
Diffstat (limited to 'arch/mips/arc/init.c')
| -rw-r--r-- | arch/mips/arc/init.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/mips/arc/init.c b/arch/mips/arc/init.c new file mode 100644 index 000000000..b574911ff --- /dev/null +++ b/arch/mips/arc/init.c @@ -0,0 +1,67 @@ +/* + * init.c: PROM library initialisation code. + * + * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) + * + * $Id: init.c,v 1.2 1998/04/05 11:24:02 ralf Exp $ + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/config.h> + +#include <asm/sgialib.h> + +/* #define DEBUG_PROM_INIT */ + +/* Master romvec interface. */ +struct linux_romvec *romvec; +struct linux_promblock *sgi_pblock; +int prom_argc; +char **prom_argv, **prom_envp; +unsigned short prom_vers, prom_rev; + +extern void prom_testtree(void); + +__initfunc(int prom_init(int argc, char **argv, char **envp)) +{ + struct linux_promblock *pb; + + romvec = ROMVECTOR; + pb = sgi_pblock = PROMBLOCK; + prom_argc = argc; + prom_argv = argv; + prom_envp = envp; + + if(pb->magic != 0x53435241) { + prom_printf("Aieee, bad prom vector magic %08lx\n", pb->magic); + while(1) + ; + } + + prom_init_cmdline(); + + prom_vers = pb->ver; + prom_rev = pb->rev; +#ifdef CONFIG_SGI + printk("PROMLIB: SGI ARCS firmware Version %d Revision %d\n", + prom_vers, prom_rev); +#else + printk("PROMLIB: ARC firmware Version %d Revision %d\n", + prom_vers, prom_rev); +#endif + prom_meminit(); + prom_identify_arch(); + +#if 0 + prom_testtree(); +#endif + +#ifdef DEBUG_PROM_INIT + { + prom_printf("Press a key to reboot\n"); + (void) prom_getchar(); + romvec->imode(); + } +#endif + return 0; +} |