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author | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 13:25:50 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 13:25:50 +0100 |
commit | 9ebc2935f346964c34e5f376263c4071f66edcd9 (patch) | |
tree | af2be831c66a5b23f5d184a87e9687f0bcafa9c0 /arch/mips/wrppmc/reset.c | |
parent | 91598965ecb508dc7bc154ec9d3e35dcadb3fa5f (diff) | |
download | talos-obmc-linux-9ebc2935f346964c34e5f376263c4071f66edcd9.tar.gz talos-obmc-linux-9ebc2935f346964c34e5f376263c4071f66edcd9.zip |
MIPS: WRPPMC: Move code one directory level up.
It was the last platform under gt64120 and will fit better into the new
platform makefile scheme, if moved.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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 000000000000..cc5474b24f06 --- /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(); + } +} |