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-rw-r--r--hw/gpio/pl061.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/gpio/pl061.c b/hw/gpio/pl061.c
index 4002ab5..899be86 100644
--- a/hw/gpio/pl061.c
+++ b/hw/gpio/pl061.c
@@ -453,6 +453,15 @@ static void pl061_enter_reset(Object *obj, ResetType type)
trace_pl061_reset(DEVICE(s)->canonical_path);
/* reset values from PL061 TRM, Stellaris LM3S5P31 & LM3S8962 Data Sheet */
+
+ /*
+ * FIXME: For the LM3S6965, not all of the PL061 instances have the
+ * same reset values for GPIOPUR, GPIOAFSEL and GPIODEN, so in theory
+ * we should allow the board to configure these via properties.
+ * In practice, we don't wire anything up to the affected GPIO lines
+ * (PB7, PC0, PC1, PC2, PC3 -- they're used for JTAG), so we can
+ * get away with this inaccuracy.
+ */
s->data = 0;
s->old_in_data = 0;
s->dir = 0;