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usb: sandbox: Initialize root hub's device speed to high speed

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At present 'usb tree' shows that the root hub on the Sandbox USB
controller is at full speed. But its device descriptor says it's
USB 2.0, so let's report it as a high speed device.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Bin Meng 2017-10-01 06:19:38 -07:00 committed by Marek Vasut
parent 8d36c68741
commit 813f74ea47
1 changed files with 24 additions and 0 deletions
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24
drivers/usb/host/usb-sandbox.c
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@ -12,6 +12,10 @@
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
struct sandbox_usb_ctrl {
int rootdev;
};
static void usbmon_trace(struct udevice *bus, ulong pipe, static void usbmon_trace(struct udevice *bus, ulong pipe,
struct devrequest *setup, struct udevice *emul) struct devrequest *setup, struct udevice *emul)
{ {
@ -40,6 +44,7 @@ static int sandbox_submit_control(struct udevice *bus,
void *buffer, int length, void *buffer, int length,
struct devrequest *setup) struct devrequest *setup)
{ {
struct sandbox_usb_ctrl *ctrl = dev_get_priv(bus);
struct udevice *emul; struct udevice *emul;
int ret; int ret;
@ -49,6 +54,14 @@ static int sandbox_submit_control(struct udevice *bus,
usbmon_trace(bus, pipe, setup, emul); usbmon_trace(bus, pipe, setup, emul);
if (ret) if (ret)
return ret; return ret;
if (usb_pipedevice(pipe) == ctrl->rootdev) {
if (setup->request == USB_REQ_SET_ADDRESS) {
debug("%s: Set root hub's USB address\n", __func__);
ctrl->rootdev = le16_to_cpu(setup->value);
}
}
ret = usb_emul_control(emul, udev, pipe, buffer, length, setup); ret = usb_emul_control(emul, udev, pipe, buffer, length, setup);
if (ret < 0) { if (ret < 0) {
debug("ret=%d\n", ret); debug("ret=%d\n", ret);
@ -107,6 +120,16 @@ static int sandbox_submit_int(struct udevice *bus, struct usb_device *udev,
static int sandbox_alloc_device(struct udevice *dev, struct usb_device *udev) static int sandbox_alloc_device(struct udevice *dev, struct usb_device *udev)
{ {
struct sandbox_usb_ctrl *ctrl = dev_get_priv(dev);
/*
* Root hub will be the first device to be initailized.
* If this device is a root hub, initialize its device speed
* to high speed as we are a USB 2.0 controller.
*/
if (ctrl->rootdev == 0)
udev->speed = USB_SPEED_HIGH;
return 0; return 0;
} }
@ -133,4 +156,5 @@ U_BOOT_DRIVER(usb_sandbox) = {
.of_match = sandbox_usb_ids, .of_match = sandbox_usb_ids,
.probe = sandbox_usb_probe, .probe = sandbox_usb_probe,
.ops = &sandbox_usb_ops, .ops = &sandbox_usb_ops,
.priv_auto_alloc_size = sizeof(struct sandbox_usb_ctrl),
}; };