diff options
Diffstat (limited to 'arch/mips/powertv/reset.c')
| -rw-r--r-- | arch/mips/powertv/reset.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/powertv/reset.c b/arch/mips/powertv/reset.c new file mode 100644 index 000000000000..494c652c984b --- /dev/null +++ b/arch/mips/powertv/reset.c @@ -0,0 +1,65 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Portions copyright (C) 2009 Cisco Systems, Inc. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include <linux/pm.h> + +#include <linux/io.h> +#include <asm/reboot.h> /* Not included by linux/reboot.h */ + +#ifdef CONFIG_BOOTLOADER_DRIVER +#include <asm/mach-powertv/kbldr.h> +#endif + +#include <asm/mach-powertv/asic_regs.h> +#include "reset.h" + +static void mips_machine_restart(char *command); +static void mips_machine_halt(void); + +static void mips_machine_restart(char *command) +{ +#ifdef CONFIG_BOOTLOADER_DRIVER + /* + * Call the bootloader's reset function to ensure + * that persistent data is flushed before hard reset + */ + kbldr_SetCauseAndReset(); +#else + writel(0x1, asic_reg_addr(watchdog)); +#endif +} + +static void mips_machine_halt(void) +{ +#ifdef CONFIG_BOOTLOADER_DRIVER + /* + * Call the bootloader's reset function to ensure + * that persistent data is flushed before hard reset + */ + kbldr_SetCauseAndReset(); +#else + writel(0x1, asic_reg_addr(watchdog)); +#endif +} + +void mips_reboot_setup(void) +{ + _machine_restart = mips_machine_restart; + _machine_halt = mips_machine_halt; + pm_power_off = mips_machine_halt; +} |