diff options
Diffstat (limited to 'arch/mips/wrppmc/reset.c')
| -rw-r--r-- | arch/mips/wrppmc/reset.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/wrppmc/reset.c b/arch/mips/wrppmc/reset.c new file mode 100644 index 00000000000..cc5474b24f0 --- /dev/null +++ b/arch/mips/wrppmc/reset.c @@ -0,0 +1,40 @@ +/* + * 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 <linux/irqflags.h> +#include <linux/kernel.h> + +#include <asm/cacheflush.h> +#include <asm/mipsregs.h> +#include <asm/processor.h> + +void wrppmc_machine_restart(char *command) +{ + /* + * 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. + */ + local_irq_disable(); + set_c0_status(ST0_BEV | ST0_ERL); + change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); + flush_cache_all(); + write_c0_wired(0); + __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); +} + +void wrppmc_machine_halt(void) +{ + local_irq_disable(); + + printk(KERN_NOTICE "You can safely turn off the power\n"); + while (1) { + if (cpu_wait) + cpu_wait(); + } +} |