add debugging

controller/am335x/block_am335x_gpi.c

@@ -46,6 +46,7 @@ static void gpi_calculate(struct controller_block *gpi)
 	
 	reg = am335x_read32(base, AM335X_GPIO_REG_DATAIN);
 	in = reg & gpi->private->bitmask;
+	log_send(LOG_T_DEBUG, "%s: 0x%lx 0x%lx %d", gpo->name, reg, gpi->private->bitmask, in);
 
 	priv->in = in;
 }
@@ -133,6 +134,8 @@ struct controller_block * block_am335x_gpi_create(char *name, va_list ap)
 	gpi->private->bitmask = 1 << pin_nr;
 	notpin = ~gpi->private->bitmask;
 
+	am335x_write32(base, AM335X_GPIO_REG_CTRL, 0);
+
 	am335x_write32(base, AM335X_GPIO_REG_LEVELDETECT0,
 	    am335x_read32(base, AM335X_GPIO_REG_LEVELDETECT0) & notpin);
 	am335x_write32(base, AM335X_GPIO_REG_LEVELDETECT1,

controller/am335x/block_am335x_gpo.c

@@ -50,6 +50,10 @@ static void gpo_calculate(struct controller_block *gpo)
 	    AM335X_GPIO_REG_SETDATAOUT :
 	    AM335X_GPIO_REG_CLEARDATAOUT;
 	am335x_write32(base, regoff, gpo->private->bitmask);
+
+	reg = am335x_read32(base, AM335X_GPIO_REG_DATAOUT);
+	log_send(LOG_T_DEBUG, "%s: 0x%lx 0x%lx %d", gpo->name, reg, gpi->private->bitmask,
+	out);
 }
 
 
@@ -135,6 +139,8 @@ struct controller_block * block_am335x_gpo_create(char *name, va_list ap)
 	gpo->private->bitmask = 1 << pin_nr;
 	notpin = ~gpo->private->bitmask;
 
+	am335x_write32(base, AM335X_GPIO_REG_CTRL, 0);
+
 	am335x_write32(base, AM335X_GPIO_REG_LEVELDETECT0,
 	    am335x_read32(base, AM335X_GPIO_REG_LEVELDETECT0) & notpin);
 	am335x_write32(base, AM335X_GPIO_REG_LEVELDETECT1,