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@samsung.com Signed-off-by: Vivek Gautam gautam.vivek@samsung.com ---
Changes from v2: - Replacing if-else with switch-case in portspeed() in cmd_usb.c
common/cmd_usb.c | 24 ++++++++++++++++++------ common/usb.c | 5 +++++ common/usb_hub.c | 8 ++++++-- include/usb.h | 6 ++++++ include/usb_defs.h | 24 +++++++++++++++++++++++- 5 files changed, 58 insertions(+), 9 deletions(-)
diff --git a/common/cmd_usb.c b/common/cmd_usb.c index dacdc2d..594385a 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -271,12 +271,24 @@ static void usb_display_config(struct usb_device *dev)
static inline char *portspeed(int speed) { - if (speed == USB_SPEED_HIGH) - return "480 Mb/s"; - else if (speed == USB_SPEED_LOW) - return "1.5 Mb/s"; - else - return "12 Mb/s"; + char *speed_str; + + switch (speed) { + case USB_SPEED_SUPER: + speed_str = "5 Gb/s"; + break; + case USB_SPEED_HIGH: + speed_str = "480 Mb/s"; + break; + case USB_SPEED_LOW: + speed_str = "1.5 Mb/s"; + break; + default: + speed_str = "12 Mb/s"; + break; + } + + return speed_str; }
/* shows the device tree recursively */ diff --git a/common/usb.c b/common/usb.c index 3a96a34..55fff5b 100644 --- a/common/usb.c +++ b/common/usb.c @@ -409,6 +409,11 @@ static int usb_parse_config(struct usb_device *dev, wMaxPacketSize); debug("if %d, ep %d\n", ifno, epno); break; + case USB_DT_SS_ENDPOINT_COMP: + if_desc = &dev->config.if_desc[ifno]; + memcpy(&if_desc->ss_ep_comp_desc[epno], + &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 ab41943..1e225e6 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -165,7 +165,9 @@ 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"; @@ -268,7 +270,9 @@ 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; diff --git a/include/usb.h b/include/usb.h index d79c865..d7b082d 100644 --- a/include/usb.h +++ b/include/usb.h @@ -76,6 +76,12 @@ struct usb_interface { unsigned char act_altsetting;
struct usb_endpoint_descriptor ep_desc[USB_MAXENDPOINTS]; + /* + * 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_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