linux-imx
Public
Source
committed 0c29c2e850634
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#define WATCHDOG_TIMEOUT 30 /* 30 sec default timeout */35
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static bool nowayout = WATCHDOG_NOWAYOUT;37
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module_param(nowayout, bool, 0);38
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MODULE_PARM_DESC(nowayout,39
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"Watchdog cannot be stopped once started (default="40
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__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");41
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static void indydog_start(void)43
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{44
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u32 mc_ctrl0;45
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spin_lock(&indydog_lock);47
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mc_ctrl0 = sgimc->cpuctrl0;48
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mc_ctrl0 = sgimc->cpuctrl0 | SGIMC_CCTRL0_WDOG;49
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sgimc->cpuctrl0 = mc_ctrl0;45
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sgimc->cpuctrl0 |= SGIMC_CCTRL0_WDOG;50
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spin_unlock(&indydog_lock);51
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}52
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static void indydog_stop(void)54
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{55
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u32 mc_ctrl0;56
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spin_lock(&indydog_lock);58
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mc_ctrl0 = sgimc->cpuctrl0;60
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mc_ctrl0 &= ~SGIMC_CCTRL0_WDOG;61
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sgimc->cpuctrl0 = mc_ctrl0;52
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sgimc->cpuctrl0 &= ~SGIMC_CCTRL0_WDOG;62
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spin_unlock(&indydog_lock);63
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pr_info("Stopped watchdog timer\n");65
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}66
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static void indydog_ping(void)68
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{69
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sgimc->watchdogt = 0;70
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}71
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