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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/fw/arc/init.c | |
Initial import
Diffstat (limited to 'arch/mips/fw/arc/init.c')
| -rw-r--r-- | arch/mips/fw/arc/init.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/fw/arc/init.c b/arch/mips/fw/arc/init.c new file mode 100644 index 000000000..629b24db0 --- /dev/null +++ b/arch/mips/fw/arc/init.c @@ -0,0 +1,59 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * PROM library initialisation code. + * + * Copyright (C) 1996 David S. Miller (davem@davemloft.net) + */ +#include <linux/init.h> +#include <linux/kernel.h> + +#include <asm/bootinfo.h> +#include <asm/sgialib.h> +#include <asm/smp-ops.h> + +#undef DEBUG_PROM_INIT + +/* Master romvec interface. */ +struct linux_romvec *romvec; +int prom_argc; +LONG *_prom_argv, *_prom_envp; + +void __init prom_init(void) +{ + PSYSTEM_PARAMETER_BLOCK pb = PROMBLOCK; + + romvec = ROMVECTOR; + + prom_argc = fw_arg0; + _prom_argv = (LONG *) fw_arg1; + _prom_envp = (LONG *) fw_arg2; + + if (pb->magic != 0x53435241) { + printk(KERN_CRIT "Aieee, bad prom vector magic %08lx\n", + (unsigned long) pb->magic); + while(1) + ; + } + + prom_init_cmdline(); + prom_identify_arch(); + printk(KERN_INFO "PROMLIB: ARC firmware Version %d Revision %d\n", + pb->ver, pb->rev); + prom_meminit(); + +#ifdef DEBUG_PROM_INIT + pr_info("Press a key to reboot\n"); + ArcRead(0, &c, 1, &cnt); + ArcEnterInteractiveMode(); +#endif +#ifdef CONFIG_SGI_IP27 + { + extern struct plat_smp_ops ip27_smp_ops; + + register_smp_ops(&ip27_smp_ops); + } +#endif +} |