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omap_gpmc: Fix handling of FIFOTHRESHOLDSTATUS bit 

The OMAP3 TRM is inconsistent about whether the GPMC FIFOTHRESHOLDSTATUS
bit should be set when FIFOPOINTER > FIFOTHRESHOLD or when it is >=
FIFOTHRESHOLD. Apparently the underlying functional spec from which
the TRM was created states that the behaviour is ">=", and this also
makes more conceptual sense.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2011-08-28 16:22:19 +00:00
parent 77c6c73690
commit de8af7fe01
1 changed files with 1 additions and 1 deletions
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2
hw/omap_gpmc.c
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@ -222,7 +222,7 @@ static uint64_t omap_gpmc_read(void *opaque, target_phys_addr_t addr,
return s->prefcontrol; return s->prefcontrol;
case 0x1f0: /* GPMC_PREFETCH_STATUS */ case 0x1f0: /* GPMC_PREFETCH_STATUS */
return (s->preffifo << 24) | return (s->preffifo << 24) |
((s->preffifo > ((s->preffifo >=
((s->prefconfig[0] >> 8) & 0x7f) ? 1 : 0) << 16) | ((s->prefconfig[0] >> 8) & 0x7f) ? 1 : 0) << 16) |
s->prefcount; s->prefcount;