From: Vivek Gautam <gautam.vivek@samsung.com>
Date: Wed, 24 Apr 2013 02:50:12 +0000 (+0000)
Subject: usb: fix: Fixing Port status and feature number constants
X-Git-Tag: v2013.07-rc1~1^2~73
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=55f4b57542de9f4bee8dc0b7ca70686bd20e2aa4;p=oweals%2Fu-boot.git

usb: fix: Fixing Port status and feature number constants

Fix the Port status bit constants and Port feature number
constants as a part of USB 2.0 and USB 3.0 Hub class.

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

diff --git a/common/usb_hub.c b/common/usb_hub.c
index 4fbfacf249..0d79ec3ea8 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -170,14 +170,24 @@ static struct usb_hub_device *usb_hub_allocate(void)
 
 static inline char *portspeed(int portstatus)
 {
-	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";
-	else
-		return "12 Mb/s";
+	char *speed_str;
+
+	switch (portstatus & USB_PORT_STAT_SPEED_MASK) {
+	case USB_PORT_STAT_SUPER_SPEED:
+		speed_str = "5 Gb/s";
+		break;
+	case USB_PORT_STAT_HIGH_SPEED:
+		speed_str = "480 Mb/s";
+		break;
+	case USB_PORT_STAT_LOW_SPEED:
+		speed_str = "1.5 Mb/s";
+		break;
+	default:
+		speed_str = "12 Mb/s";
+		break;
+	}
+
+	return speed_str;
 }
 
 int hub_port_reset(struct usb_device *dev, int port,
@@ -275,14 +285,20 @@ 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_SUPER_SPEED)
+	switch (portstatus & USB_PORT_STAT_SPEED_MASK) {
+	case USB_PORT_STAT_SUPER_SPEED:
 		usb->speed = USB_SPEED_SUPER;
-	else if (portstatus & USB_PORT_STAT_HIGH_SPEED)
+		break;
+	case USB_PORT_STAT_HIGH_SPEED:
 		usb->speed = USB_SPEED_HIGH;
-	else if (portstatus & USB_PORT_STAT_LOW_SPEED)
+		break;
+	case USB_PORT_STAT_LOW_SPEED:
 		usb->speed = USB_SPEED_LOW;
-	else
+		break;
+	default:
 		usb->speed = USB_SPEED_FULL;
+		break;
+	}
 
 	dev->children[port] = usb;
 	usb->parent = dev;
diff --git a/include/usb_defs.h b/include/usb_defs.h
index 6ce6791407..4f3601a16c 100644
--- a/include/usb_defs.h
+++ b/include/usb_defs.h
@@ -215,8 +215,6 @@
 #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
@@ -224,6 +222,17 @@
 #define USB_PORT_FEAT_C_RESET        20
 #define USB_PORT_FEAT_TEST           21
 
+/*
+ * Changes to Port feature numbers for Super speed,
+ * from USB 3.0 spec Table 10-8
+ */
+#define USB_SS_PORT_FEAT_U1_TIMEOUT	23
+#define USB_SS_PORT_FEAT_U2_TIMEOUT	24
+#define USB_SS_PORT_FEAT_C_LINK_STATE	25
+#define USB_SS_PORT_FEAT_C_CONFIG_ERROR	26
+#define USB_SS_PORT_FEAT_BH_RESET	28
+#define USB_SS_PORT_FEAT_C_BH_RESET	29
+
 /* wPortStatus bits */
 #define USB_PORT_STAT_CONNECTION    0x0001
 #define USB_PORT_STAT_ENABLE        0x0002
@@ -233,20 +242,18 @@
 #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_FULL_SPEED | USB_PORT_STAT_SUPER_SPEED)
+#define USB_PORT_STAT_SUPER_SPEED   0x0600	/* faking support to XHCI */
+#define USB_PORT_STAT_SPEED_MASK	\
+	(USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
 
 /*
- * Additions to wPortStatus bit field from USB 3.0
- * See USB 3.0 spec Table 10-10
+ * Changes to wPortStatus bit field in USB 3.0
+ * See USB 3.0 spec Table 10-11
  */
-#define USB_PORT_STAT_LINK_STATE	0x01e0
+#define USB_SS_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
+#define USB_SS_PORT_STAT_SPEED_5GBPS	0x0000
 
 /* wPortChange bits */
 #define USB_PORT_STAT_C_CONNECTION  0x0001
@@ -256,12 +263,12 @@
 #define USB_PORT_STAT_C_RESET       0x0010
 
 /*
- * Addition to wPortChange bit fields form USB 3.0
- * See USB 3.0 spec Table 10-11
+ * Changes to wPortChange bit fields in USB 3.0
+ * See USB 3.0 spec Table 10-12
  */
-#define USB_PORT_STAT_C_BH_RESET	0x0020
-#define USB_PORT_STAT_C_LINK_STATE	0x0040
-#define USB_PORT_STAT_C_CONFIG_ERROR	0x0080
+#define USB_SS_PORT_STAT_C_BH_RESET	0x0020
+#define USB_SS_PORT_STAT_C_LINK_STATE	0x0040
+#define USB_SS_PORT_STAT_C_CONFIG_ERROR	0x0080
 
 /* wHubCharacteristics (masks) */
 #define HUB_CHAR_LPSM               0x0003