C++ (Cpp) CAN_RAMINIT_START_MASK Examples

Example #1

File: c_can_platform.c Project: MaxChina/linux

static void c_can_hw_raminit_ti(const struct c_can_priv *priv, bool enable)
{
	u32 mask = CAN_RAMINIT_ALL_MASK(priv->instance);
	u32 ctrl;

	spin_lock(&raminit_lock);

	ctrl = readl(priv->raminit_ctrlreg);
	/* We clear the done and start bit first. The start bit is
	 * looking at the 0 -> transition, but is not self clearing;
	 * And we clear the init done bit as well.
	 */
	ctrl &= ~CAN_RAMINIT_START_MASK(priv->instance);
	ctrl |= CAN_RAMINIT_DONE_MASK(priv->instance);
	writel(ctrl, priv->raminit_ctrlreg);
	ctrl &= ~CAN_RAMINIT_DONE_MASK(priv->instance);
	c_can_hw_raminit_wait_ti(priv, ctrl, mask);

	if (enable) {
		/* Set start bit and wait for the done bit. */
		ctrl |= CAN_RAMINIT_START_MASK(priv->instance);
		writel(ctrl, priv->raminit_ctrlreg);
		ctrl |= CAN_RAMINIT_DONE_MASK(priv->instance);
		c_can_hw_raminit_wait_ti(priv, ctrl, mask);
	}
	spin_unlock(&raminit_lock);
}

Example #2

File: c_can_platform.c Project: 03199618/linux

static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable)
{
	u32 val;

	val = readl(priv->raminit_ctrlreg);
	if (enable)
		val |= CAN_RAMINIT_START_MASK(priv->instance);
	else
		val &= ~CAN_RAMINIT_START_MASK(priv->instance);
	writel(val, priv->raminit_ctrlreg);
}