[U-Boot] [PATCH 6/7] USB: SS: Add support for Super Speed USB interface
Vivek Gautam
gautam.vivek at samsung.com
Wed Mar 27 10:29:02 CET 2013
This adds usb framework support for super-speed usb, which will
further facilitate to add stack support for xHCI.
Signed-off-by: Vikas C Sajjan <vikas.sajjan at samsung.com>
Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
---
common/cmd_usb.c | 6 ++++--
common/usb.c | 11 ++++++++---
common/usb_hub.c | 10 +++++++---
common/usb_storage.c | 2 +-
include/usb.h | 12 +++++++++++-
include/usb_defs.h | 24 +++++++++++++++++++++++-
6 files changed, 54 insertions(+), 11 deletions(-)
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index dacdc2d..90c2cf1 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -262,7 +262,7 @@ static void usb_display_config(struct usb_device *dev)
ifdesc = &config->if_desc[i];
usb_display_if_desc(&ifdesc->desc, dev);
for (ii = 0; ii < ifdesc->no_of_ep; ii++) {
- epdesc = &ifdesc->ep_desc[ii];
+ epdesc = &ifdesc->ep_desc[ii].ep_desc;
usb_display_ep_desc(epdesc);
}
}
@@ -271,7 +271,9 @@ static void usb_display_config(struct usb_device *dev)
static inline char *portspeed(int speed)
{
- if (speed == USB_SPEED_HIGH)
+ if (speed == USB_SPEED_SUPER)
+ return "5 Gb/s";
+ else if (speed == USB_SPEED_HIGH)
return "480 Mb/s";
else if (speed == USB_SPEED_LOW)
return "1.5 Mb/s";
diff --git a/common/usb.c b/common/usb.c
index 39fcedd..a5b915e 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -304,7 +304,7 @@ usb_set_maxpacket_ep(struct usb_device *dev, int if_idx, int ep_idx)
struct usb_endpoint_descriptor *ep;
u16 ep_wMaxPacketSize;
- ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx];
+ ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx].ep_desc;
b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
ep_wMaxPacketSize = get_unaligned(&ep->wMaxPacketSize);
@@ -410,14 +410,19 @@ static int usb_parse_config(struct usb_device *dev,
ep_wMaxPacketSize = get_unaligned(&dev->config.\
if_desc[ifno].\
ep_desc[epno].\
- wMaxPacketSize);
+ ep_desc.wMaxPacketSize);
put_unaligned(le16_to_cpu(ep_wMaxPacketSize),
&dev->config.\
if_desc[ifno].\
ep_desc[epno].\
- wMaxPacketSize);
+ ep_desc.wMaxPacketSize);
USB_PRINTF("if %d, ep %d\n", ifno, epno);
break;
+ case USB_DT_SS_ENDPOINT_COMP:
+ if_desc = &dev->config.if_desc[ifno];
+ memcpy(&(if_desc->ep_desc[epno].ss_ep_comp),
+ &buffer[index], buffer[index]);
+ break;
default:
if (head->bLength == 0)
return 1;
diff --git a/common/usb_hub.c b/common/usb_hub.c
index 8ba7a0d..9acaede 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -158,7 +158,9 @@ static struct usb_hub_device *usb_hub_allocate(void)
static inline char *portspeed(int portstatus)
{
- if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED))
+ if (portstatus & (1 << USB_PORT_FEAT_SUPERSPEED))
+ return "5 Gb/s";
+ else if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED))
return "480 Mb/s";
else if (portstatus & (1 << USB_PORT_FEAT_LOWSPEED))
return "1.5 Mb/s";
@@ -262,7 +264,9 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
/* Allocate a new device struct for it */
usb = usb_alloc_new_device(dev->controller);
- if (portstatus & USB_PORT_STAT_HIGH_SPEED)
+ if (portstatus & USB_PORT_STAT_SUPER_SPEED)
+ usb->speed = USB_SPEED_SUPER;
+ else if (portstatus & USB_PORT_STAT_HIGH_SPEED)
usb->speed = USB_SPEED_HIGH;
else if (portstatus & USB_PORT_STAT_LOW_SPEED)
usb->speed = USB_SPEED_LOW;
@@ -525,7 +529,7 @@ int usb_hub_probe(struct usb_device *dev, int ifnum)
/* Multiple endpoints? What kind of mutant ninja-hub is this? */
if (iface->desc.bNumEndpoints != 1)
return 0;
- ep = &iface->ep_desc[0];
+ ep = &iface->ep_desc[0].ep_desc;
/* Output endpoint? Curiousier and curiousier.. */
if (!(ep->bEndpointAddress & USB_DIR_IN))
return 0;
diff --git a/common/usb_storage.c b/common/usb_storage.c
index 475c218..c48da43 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1301,7 +1301,7 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
* We will ignore any others.
*/
for (i = 0; i < iface->desc.bNumEndpoints; i++) {
- ep_desc = &iface->ep_desc[i];
+ ep_desc = &iface->ep_desc[i].ep_desc;
/* is it an BULK endpoint? */
if ((ep_desc->bmAttributes &
USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
diff --git a/include/usb.h b/include/usb.h
index d79c865..1d832ca 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -67,6 +67,16 @@ struct devrequest {
unsigned short length;
} __attribute__ ((packed));
+struct usb_ep_desc {
+ struct usb_endpoint_descriptor ep_desc;
+ /*
+ * Super Speed Device will have Super Speed Endpoint
+ * Companion Descriptor (section 9.6.7 of usb 3.0 spec)
+ * Revision 1.0 June 6th 2011
+ */
+ struct usb_ss_ep_comp_descriptor ss_ep_comp;
+};
+
/* Interface */
struct usb_interface {
struct usb_interface_descriptor desc;
@@ -75,7 +85,7 @@ struct usb_interface {
unsigned char num_altsetting;
unsigned char act_altsetting;
- struct usb_endpoint_descriptor ep_desc[USB_MAXENDPOINTS];
+ struct usb_ep_desc ep_desc[USB_MAXENDPOINTS];
} __attribute__ ((packed));
/* Configuration information.. */
diff --git a/include/usb_defs.h b/include/usb_defs.h
index 0c78d9d..e2aaef3 100644
--- a/include/usb_defs.h
+++ b/include/usb_defs.h
@@ -203,6 +203,8 @@
#define USB_PORT_FEAT_POWER 8
#define USB_PORT_FEAT_LOWSPEED 9
#define USB_PORT_FEAT_HIGHSPEED 10
+#define USB_PORT_FEAT_FULLSPEED 11
+#define USB_PORT_FEAT_SUPERSPEED 12
#define USB_PORT_FEAT_C_CONNECTION 16
#define USB_PORT_FEAT_C_ENABLE 17
#define USB_PORT_FEAT_C_SUSPEND 18
@@ -218,8 +220,20 @@
#define USB_PORT_STAT_POWER 0x0100
#define USB_PORT_STAT_LOW_SPEED 0x0200
#define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */
+#define USB_PORT_STAT_FULL_SPEED 0x0800
+#define USB_PORT_STAT_SUPER_SPEED 0x1000 /* support for XHCI */
#define USB_PORT_STAT_SPEED \
- (USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
+ (USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED | \
+ USB_PORT_STAT_FULL_SPEED | USB_PORT_STAT_SUPER_SPEED)
+
+/*
+ * Additions to wPortStatus bit field from USB 3.0
+ * See USB 3.0 spec Table 10-10
+ */
+#define USB_PORT_STAT_LINK_STATE 0x01e0
+#define USB_SS_PORT_STAT_POWER 0x0200
+#define USB_SS_PORT_STAT_SPEED 0x1c00
+#define USB_PORT_STAT_SPEED_5GBPS 0x0000
/* wPortChange bits */
#define USB_PORT_STAT_C_CONNECTION 0x0001
@@ -228,6 +242,14 @@
#define USB_PORT_STAT_C_OVERCURRENT 0x0008
#define USB_PORT_STAT_C_RESET 0x0010
+/*
+ * Addition to wPortChange bit fields form USB 3.0
+ * See USB 3.0 spec Table 10-11
+ */
+#define USB_PORT_STAT_C_BH_RESET 0x0020
+#define USB_PORT_STAT_C_LINK_STATE 0x0040
+#define USB_PORT_STAT_C_CONFIG_ERROR 0x0080
+
/* wHubCharacteristics (masks) */
#define HUB_CHAR_LPSM 0x0003
#define HUB_CHAR_COMPOUND 0x0004
--
1.7.6.5
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