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yaml
---
r: 342005
b: refs/heads/master
c: 2610730
h: refs/heads/master
i:
  342003: f522d46
v: v3
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Hauke Mehrtens authored and John W. Linville committed Dec 6, 2012
1 parent ae086cc commit e719722
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Showing 2 changed files with 37 additions and 3 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f924e1e989b0bdaf6472668400d67a2142cb6b60
refs/heads/master: 26107309c08f8548a2e0aef0d0aabd64bc2d22c1
38 changes: 36 additions & 2 deletions trunk/drivers/ssb/driver_chipcommon.c
Original file line number Diff line number Diff line change
Expand Up @@ -288,6 +288,24 @@ static u32 ssb_chipco_alp_clock(struct ssb_chipcommon *cc)
return 20000000;
}

static u32 ssb_chipco_watchdog_get_max_timer(struct ssb_chipcommon *cc)
{
u32 nb;

if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
if (cc->dev->id.revision < 26)
nb = 16;
else
nb = (cc->dev->id.revision >= 37) ? 32 : 24;
} else {
nb = 28;
}
if (nb == 32)
return 0xffffffff;
else
return (1 << nb) - 1;
}

void ssb_chipcommon_init(struct ssb_chipcommon *cc)
{
if (!cc->dev)
Expand Down Expand Up @@ -405,8 +423,24 @@ void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks)
{
/* instant NMI */
chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
u32 maxt;
enum ssb_clkmode clkmode;

maxt = ssb_chipco_watchdog_get_max_timer(cc);
if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
if (ticks == 1)
ticks = 2;
else if (ticks > maxt)
ticks = maxt;
chipco_write32(cc, SSB_CHIPCO_PMU_WATCHDOG, ticks);
} else {
clkmode = ticks ? SSB_CLKMODE_FAST : SSB_CLKMODE_DYNAMIC;
ssb_chipco_set_clockmode(cc, clkmode);
if (ticks > maxt)
ticks = maxt;
/* instant NMI */
chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
}
}

void ssb_chipco_irq_mask(struct ssb_chipcommon *cc, u32 mask, u32 value)
Expand Down

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