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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-20 08:59:45 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-20 08:59:45 -0400 |
commit | d59bf96cdde5b874a57bfd1425faa45da915d0b7 (patch) | |
tree | 351a40b72514d620e5bebea2de38c26f23277ffc /arch/mips/gt64120/wrppmc/reset.c | |
parent | 28df955a2ad484d602314b30183ea8496a9aa34a (diff) | |
parent | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (diff) |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'arch/mips/gt64120/wrppmc/reset.c')
-rw-r--r-- | arch/mips/gt64120/wrppmc/reset.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/mips/gt64120/wrppmc/reset.c b/arch/mips/gt64120/wrppmc/reset.c new file mode 100644 index 00000000000..b97039c6d3d --- /dev/null +++ b/arch/mips/gt64120/wrppmc/reset.c @@ -0,0 +1,50 @@ +/* + * 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/sched.h> +#include <linux/mm.h> +#include <asm/io.h> +#include <asm/pgtable.h> +#include <asm/processor.h> +#include <asm/reboot.h> +#include <asm/system.h> +#include <asm/cacheflush.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) { + __asm__( + ".set\tmips3\n\t" + "wait\n\t" + ".set\tmips0" + ); + } +} + +void wrppmc_machine_power_off(void) +{ + wrppmc_machine_halt(); +} |