* MA 02111-1307 USA
*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
*/
#define HCHALT_TIMEOUT (8 * 1000)
+#ifndef CONFIG_DM_USB
static struct ehci_ctrl ehcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
+#endif
#define ALIGN_END_ADDR(type, ptr, size) \
((unsigned long)(ptr) + roundup((size) * sizeof(type), USB_DMA_MINALIGN))
static struct ehci_ctrl *ehci_get_ctrl(struct usb_device *udev)
{
+#ifdef CONFIG_DM_USB
+ return dev_get_priv(usb_get_bus(udev->dev));
+#else
return udev->controller;
+#endif
}
static int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg)
return -1;
}
-static int ehci_reset(int index)
+static int ehci_reset(struct ehci_ctrl *ctrl)
{
- struct ehci_ctrl *ctrl = &ehcic[index];
uint32_t cmd;
int ret = 0;
- cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
+ cmd = ehci_readl(&ctrl->hcor->or_usbcmd);
cmd = (cmd & ~CMD_RUN) | CMD_RESET;
- ehci_writel(&ehcic[index].hcor->or_usbcmd, cmd);
- ret = handshake((uint32_t *)&ehcic[index].hcor->or_usbcmd,
+ ehci_writel(&ctrl->hcor->or_usbcmd, cmd);
+ ret = handshake((uint32_t *)&ctrl->hcor->or_usbcmd,
CMD_RESET, 0, 250 * 1000);
if (ret < 0) {
printf("EHCI fail to reset\n");
}
if (ehci_is_TDI())
- ctrl->ops.set_usb_mode(&ehcic[index]);
+ ctrl->ops.set_usb_mode(ctrl);
#ifdef CONFIG_USB_EHCI_TXFIFO_THRESH
- cmd = ehci_readl(&ehcic[index].hcor->or_txfilltuning);
+ cmd = ehci_readl(&ctrl->hcor->or_txfilltuning);
cmd &= ~TXFIFO_THRESH_MASK;
cmd |= TXFIFO_THRESH(CONFIG_USB_EHCI_TXFIFO_THRESH);
- ehci_writel(&ehcic[index].hcor->or_txfilltuning, cmd);
+ ehci_writel(&ctrl->hcor->or_txfilltuning, cmd);
#endif
out:
return ret;
return QH_FULL_SPEED;
}
-static void ehci_update_endpt2_dev_n_port(struct usb_device *dev,
+static void ehci_update_endpt2_dev_n_port(struct usb_device *udev,
struct QH *qh)
{
struct usb_device *ttdev;
+ int parent_devnum;
- if (dev->speed != USB_SPEED_LOW && dev->speed != USB_SPEED_FULL)
+ if (udev->speed != USB_SPEED_LOW && udev->speed != USB_SPEED_FULL)
return;
/*
* the tt, so of the first upstream usb-2 hub, there may be usb-1 hubs
* in the tree before that one!
*/
- ttdev = dev;
+#ifdef CONFIG_DM_USB
+ /*
+ * When called from usb-uclass.c: usb_scan_device() udev->dev points
+ * to the parent udevice, not the actual udevice belonging to the
+ * udev as the device is not instantiated yet. So when searching
+ * for the first usb-2 parent start with udev->dev not
+ * udev->dev->parent .
+ */
+ struct udevice *parent;
+ struct usb_device *uparent;
+
+ ttdev = udev;
+ parent = udev->dev;
+ uparent = dev_get_parentdata(parent);
+
+ while (uparent->speed != USB_SPEED_HIGH) {
+ struct udevice *dev = parent;
+
+ if (device_get_uclass_id(dev->parent) != UCLASS_USB_HUB) {
+ printf("ehci: Error cannot find high speed parent of usb-1 device\n");
+ return;
+ }
+
+ ttdev = dev_get_parentdata(dev);
+ parent = dev->parent;
+ uparent = dev_get_parentdata(parent);
+ }
+ parent_devnum = uparent->devnum;
+#else
+ ttdev = udev;
while (ttdev->parent && ttdev->parent->speed != USB_SPEED_HIGH)
ttdev = ttdev->parent;
if (!ttdev->parent)
return;
+ parent_devnum = ttdev->parent->devnum;
+#endif
qh->qh_endpt2 |= cpu_to_hc32(QH_ENDPT2_PORTNUM(ttdev->portnr) |
- QH_ENDPT2_HUBADDR(ttdev->parent->devnum));
+ QH_ENDPT2_HUBADDR(parent_devnum));
}
static int
port - 1);
reg |= EHCI_PS_PO;
ehci_writel(status_reg, reg);
- break;
+ return -ENXIO;
} else {
int ret;
*/
ret = handshake(status_reg, EHCI_PS_PR, 0,
2 * 1000);
- if (!ret)
- ctrl->portreset |= 1 << port;
- else
+ if (!ret) {
+ reg = ehci_readl(status_reg);
+ if ((reg & (EHCI_PS_PE | EHCI_PS_CS))
+ == EHCI_PS_CS && !ehci_is_TDI()) {
+ debug("port %d full speed --> companion\n", port - 1);
+ reg &= ~EHCI_PS_CLEAR;
+ reg |= EHCI_PS_PO;
+ ehci_writel(status_reg, reg);
+ return -ENXIO;
+ } else {
+ ctrl->portreset |= 1 << port;
+ }
+ } else {
printf("port(%d) reset error\n",
port - 1);
+ }
}
break;
case USB_PORT_FEAT_TEST:
}
}
+#ifndef CONFIG_DM_USB
void ehci_set_controller_priv(int index, void *priv, const struct ehci_ops *ops)
{
struct ehci_ctrl *ctrl = &ehcic[index];
{
return ehcic[index].priv;
}
+#endif
static int ehci_common_init(struct ehci_ctrl *ctrl, uint tweaks)
{
return 0;
}
+#ifndef CONFIG_DM_USB
int usb_lowlevel_stop(int index)
{
ehci_shutdown(&ehcic[index]);
goto done;
/* EHCI spec section 4.1 */
- if (ehci_reset(index))
+ if (ehci_reset(ctrl))
return -1;
#if defined(CONFIG_EHCI_HCD_INIT_AFTER_RESET)
*controller = &ehcic[index];
return 0;
}
+#endif
static int _ehci_submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
void *buffer, int length)
return 0;
}
-struct int_queue *
-create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
- int elementsize, void *buffer, int interval)
+static struct int_queue *_ehci_create_int_queue(struct usb_device *dev,
+ unsigned long pipe, int queuesize, int elementsize,
+ void *buffer, int interval)
{
struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
struct int_queue *result = NULL;
return NULL;
}
-void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
+static void *_ehci_poll_int_queue(struct usb_device *dev,
+ struct int_queue *queue)
{
struct QH *cur = queue->current;
struct qTD *cur_td;
}
/* Do not free buffers associated with QHs, they're owned by someone else */
-int
-destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
+static int _ehci_destroy_int_queue(struct usb_device *dev,
+ struct int_queue *queue)
{
struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
int result = -1;
debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d",
dev, pipe, buffer, length, interval);
- queue = create_int_queue(dev, pipe, 1, length, buffer, interval);
+ queue = _ehci_create_int_queue(dev, pipe, 1, length, buffer, interval);
if (!queue)
return -1;
timeout = get_timer(0) + USB_TIMEOUT_MS(pipe);
- while ((backbuffer = poll_int_queue(dev, queue)) == NULL)
+ while ((backbuffer = _ehci_poll_int_queue(dev, queue)) == NULL)
if (get_timer(0) > timeout) {
printf("Timeout poll on interrupt endpoint\n");
result = -ETIMEDOUT;
return -EINVAL;
}
- ret = destroy_int_queue(dev, queue);
+ ret = _ehci_destroy_int_queue(dev, queue);
if (ret < 0)
return ret;
return result;
}
+#ifndef CONFIG_DM_USB
int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
void *buffer, int length)
{
{
return _ehci_submit_int_msg(dev, pipe, buffer, length, interval);
}
+
+struct int_queue *create_int_queue(struct usb_device *dev,
+ unsigned long pipe, int queuesize, int elementsize,
+ void *buffer, int interval)
+{
+ return _ehci_create_int_queue(dev, pipe, queuesize, elementsize,
+ buffer, interval);
+}
+
+void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
+{
+ return _ehci_poll_int_queue(dev, queue);
+}
+
+int destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
+{
+ return _ehci_destroy_int_queue(dev, queue);
+}
+#endif
+
+#ifdef CONFIG_DM_USB
+static int ehci_submit_control_msg(struct udevice *dev, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length,
+ struct devrequest *setup)
+{
+ debug("%s: dev='%s', udev=%p, udev->dev='%s', portnr=%d\n", __func__,
+ dev->name, udev, udev->dev->name, udev->portnr);
+
+ return _ehci_submit_control_msg(udev, pipe, buffer, length, setup);
+}
+
+static int ehci_submit_bulk_msg(struct udevice *dev, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_submit_bulk_msg(udev, pipe, buffer, length);
+}
+
+static int ehci_submit_int_msg(struct udevice *dev, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length,
+ int interval)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_submit_int_msg(udev, pipe, buffer, length, interval);
+}
+
+static struct int_queue *ehci_create_int_queue(struct udevice *dev,
+ struct usb_device *udev, unsigned long pipe, int queuesize,
+ int elementsize, void *buffer, int interval)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_create_int_queue(udev, pipe, queuesize, elementsize,
+ buffer, interval);
+}
+
+static void *ehci_poll_int_queue(struct udevice *dev, struct usb_device *udev,
+ struct int_queue *queue)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_poll_int_queue(udev, queue);
+}
+
+static int ehci_destroy_int_queue(struct udevice *dev, struct usb_device *udev,
+ struct int_queue *queue)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_destroy_int_queue(udev, queue);
+}
+
+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;
+
+ debug("%s: dev='%s', ctrl=%p, hccr=%p, hcor=%p, init=%d\n", __func__,
+ dev->name, ctrl, hccr, hcor, init);
+
+ priv->desc_before_addr = true;
+
+ ehci_setup_ops(ctrl, ops);
+ ctrl->hccr = hccr;
+ ctrl->hcor = hcor;
+ ctrl->priv = ctrl;
+
+ if (init == USB_INIT_DEVICE)
+ goto done;
+ ret = ehci_reset(ctrl);
+ if (ret)
+ goto err;
+
+ ret = ehci_common_init(ctrl, tweaks);
+ if (ret)
+ goto err;
+done:
+ return 0;
+err:
+ free(ctrl);
+ debug("%s: failed, ret=%d\n", __func__, ret);
+ return ret;
+}
+
+int ehci_deregister(struct udevice *dev)
+{
+ struct ehci_ctrl *ctrl = dev_get_priv(dev);
+
+ ehci_shutdown(ctrl);
+
+ return 0;
+}
+
+struct dm_usb_ops ehci_usb_ops = {
+ .control = ehci_submit_control_msg,
+ .bulk = ehci_submit_bulk_msg,
+ .interrupt = ehci_submit_int_msg,
+ .create_int_queue = ehci_create_int_queue,
+ .poll_int_queue = ehci_poll_int_queue,
+ .destroy_int_queue = ehci_destroy_int_queue,
+};
+
+#endif
projects / platform / kernel / u-boot.git / blobdiff