X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fcobalt%2Freset.c;h=753dfccae6fa090df4dfb5a6a1abcb53552c7050;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=084c8e59f42c9686b5a9c1132208a4ae597d93e3;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c index 084c8e59f..753dfccae 100644 --- a/arch/mips/cobalt/reset.c +++ b/arch/mips/cobalt/reset.c @@ -16,48 +16,45 @@ #include #include #include +#include -void cobalt_machine_restart(char *command) +void cobalt_machine_halt(void) { - *(volatile char *)0xbc000000 = 0x0f; + int state, last, diff; + unsigned long mark; /* - * 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. + * turn off bar on Qube, flash power off LED on RaQ (0.5Hz) + * + * restart if ENTER and SELECT are pressed */ - 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)); -} -extern int led_state; -#define kLED 0xBC000000 -#define LEDSet(x) (*(volatile unsigned char *) kLED) = (( unsigned char)x) + last = COBALT_KEY_PORT; -void cobalt_machine_halt(void) -{ - int mark; + for (state = 0;;) { + + state ^= COBALT_LED_POWER_OFF; + COBALT_LED_PORT = state; + + diff = COBALT_KEY_PORT ^ last; + last ^= diff; - /* Blink our cute? little LED (number 3)... */ - while (1) { - led_state = led_state | ( 1 << 3 ); - LEDSet(led_state); - mark = jiffies; - while (jiffies<(mark+HZ)); - led_state = led_state & ~( 1 << 3 ); - LEDSet(led_state); - mark = jiffies; - while (jiffies<(mark+HZ)); + if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT))) + COBALT_LED_PORT = COBALT_LED_RESET; + + for (mark = jiffies; jiffies - mark < HZ;) + ; } } +void cobalt_machine_restart(char *command) +{ + COBALT_LED_PORT = COBALT_LED_RESET; + + /* we should never get here */ + cobalt_machine_halt(); +} + /* * This triggers the luser mode device driver for the power switch ;-) */