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.saj...@samsung.com>
Signed-off-by: Vivek Gautam <gautam.vi...@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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