+// SPDX-License-Identifier: GPL-2.0
/*-
* Copyright (c) 2007-2008, Juniper Networks, Inc.
* Copyright (c) 2008, Excito Elektronik i Skåne AB
* Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
*
* All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
uint32_t cmd, reg;
int max_ports = HCS_N_PORTS(ehci_readl(&ctrl->hccr->cr_hcsparams));
- if (!ctrl || !ctrl->hcor)
- return -EINVAL;
-
cmd = ehci_readl(&ctrl->hcor->or_usbcmd);
/* If not run, directly return */
if (!(cmd & CMD_RUN))
* dangerous operation, it's responsibility of the calling
* code to make sure enough space is reserved.
*/
- invalidate_dcache_range((unsigned long)buffer,
- ALIGN((unsigned long)buffer + length, ARCH_DMA_MINALIGN));
+ if (buffer != NULL && length > 0)
+ invalidate_dcache_range((unsigned long)buffer,
+ ALIGN((unsigned long)buffer + length, ARCH_DMA_MINALIGN));
/* Check that the TD processing happened */
if (QT_TOKEN_GET_STATUS(token) & QT_TOKEN_STATUS_ACTIVE)
rc = ehci_hcd_init(index, init, &ctrl->hccr, &ctrl->hcor);
if (rc)
return rc;
+ if (!ctrl->hccr || !ctrl->hcor)
+ return -1;
if (init == USB_INIT_DEVICE)
goto done;
return _ehci_destroy_int_queue(udev, queue);
}
+static int ehci_get_max_xfer_size(struct udevice *dev, size_t *size)
+{
+ /*
+ * EHCD can handle any transfer length as long as there is enough
+ * free heap space left, hence set the theoretical max number here.
+ */
+ *size = SIZE_MAX;
+
+ return 0;
+}
+
int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
struct ehci_hcor *hcor, const struct ehci_ops *ops,
uint tweaks, enum usb_init_type init)
{
struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
struct ehci_ctrl *ctrl = dev_get_priv(dev);
- int ret;
+ int ret = -1;
debug("%s: dev='%s', ctrl=%p, hccr=%p, hcor=%p, init=%d\n", __func__,
dev->name, ctrl, hccr, hcor, init);
+ if (!ctrl || !hccr || !hcor)
+ goto err;
+
priv->desc_before_addr = true;
ehci_setup_ops(ctrl, ops);
.create_int_queue = ehci_create_int_queue,
.poll_int_queue = ehci_poll_int_queue,
.destroy_int_queue = ehci_destroy_int_queue,
+ .get_max_xfer_size = ehci_get_max_xfer_size,
};
#endif
+
+#ifdef CONFIG_PHY
+int ehci_setup_phy(struct udevice *dev, struct phy *phy, int index)
+{
+ int ret;
+
+ if (!phy)
+ return 0;
+
+ ret = generic_phy_get_by_index(dev, index, phy);
+ if (ret) {
+ if (ret != -ENOENT) {
+ dev_err(dev, "failed to get usb phy\n");
+ return ret;
+ }
+ } else {
+ ret = generic_phy_init(phy);
+ if (ret) {
+ dev_err(dev, "failed to init usb phy\n");
+ return ret;
+ }
+
+ ret = generic_phy_power_on(phy);
+ if (ret) {
+ dev_err(dev, "failed to power on usb phy\n");
+ return generic_phy_exit(phy);
+ }
+ }
+
+ return 0;
+}
+
+int ehci_shutdown_phy(struct udevice *dev, struct phy *phy)
+{
+ int ret = 0;
+
+ if (!phy)
+ return 0;
+
+ if (generic_phy_valid(phy)) {
+ ret = generic_phy_power_off(phy);
+ if (ret) {
+ dev_err(dev, "failed to power off usb phy\n");
+ return ret;
+ }
+
+ ret = generic_phy_exit(phy);
+ if (ret) {
+ dev_err(dev, "failed to power off usb phy\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+#else
+int ehci_setup_phy(struct udevice *dev, struct phy *phy, int index)
+{
+ return 0;
+}
+
+int ehci_shutdown_phy(struct udevice *dev, struct phy *phy)
+{
+ return 0;
+}
+#endif