From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/arch/mips/cobalt/reset.c | 51 ++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 ANDROID_3.4.5/arch/mips/cobalt/reset.c (limited to 'ANDROID_3.4.5/arch/mips/cobalt/reset.c') diff --git a/ANDROID_3.4.5/arch/mips/cobalt/reset.c b/ANDROID_3.4.5/arch/mips/cobalt/reset.c new file mode 100644 index 00000000..516b4428 --- /dev/null +++ b/ANDROID_3.4.5/arch/mips/cobalt/reset.c @@ -0,0 +1,51 @@ +/* + * Cobalt Reset operations + * + * 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) 1995, 1996, 1997 by Ralf Baechle + * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv) + */ +#include +#include +#include + +#include + +#include + +#define RESET_PORT ((void __iomem *)CKSEG1ADDR(0x1c000000)) +#define RESET 0x0f + +DEFINE_LED_TRIGGER(power_off_led_trigger); + +static int __init ledtrig_power_off_init(void) +{ + led_trigger_register_simple("power-off", &power_off_led_trigger); + return 0; +} +device_initcall(ledtrig_power_off_init); + +void cobalt_machine_halt(void) +{ + /* + * turn on power off LED on RaQ + */ + led_trigger_event(power_off_led_trigger, LED_FULL); + + local_irq_disable(); + while (1) { + if (cpu_wait) + cpu_wait(); + } +} + +void cobalt_machine_restart(char *command) +{ + writeb(RESET, RESET_PORT); + + /* we should never get here */ + cobalt_machine_halt(); +} -- cgit