/* * 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. * * Copyright (C) 1997 Ralf Baechle */ #include #include #include #include #include #include #include void galileo_machine_restart(char *command) { *(volatile char *) 0xbc000000 = 0x0f; /* * Ouch, we're still alive ... This time we take the silver bullet ... * ... and find that we leave the hardware in a state in which the * kernel in the flush locks up somewhen during of after the PCI * detection stuff. */ set_cp0_status(ST0_BEV | ST0_ERL); change_cp0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); flush_cache_all(); write_32bit_cp0_register(CP0_WIRED, 0); __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); } void galileo_machine_halt(void) { printk(KERN_NOTICE "You can safely turn off the power\n"); while (1) __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0"); } void galileo_machine_power_off(void) { galileo_machine_halt(); }