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-rw-r--r--common/usb.c119
1 files changed, 70 insertions, 49 deletions
diff --git a/common/usb.c b/common/usb.c
index 4df01eabe5..ff972cba14 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -10,7 +10,7 @@
* (C) Copyright Randy Dunlap 2000
* (C) Copyright David Brownell 2000 (kernel hotplug, usb_device_id)
* (C) Copyright Yggdrasil Computing, Inc. 2000
- * (usb_device_id matching changes by Adam J. Richter)
+ * (usb_device_id matching changes by Adam J. Richter)
*
* Adapted for U-Boot:
* (C) Copyright 2001 Denis Peter, MPL AG Switzerland
@@ -59,7 +59,7 @@
#undef USB_DEBUG
#ifdef USB_DEBUG
-#define USB_PRINTF(fmt,args...) printf (fmt ,##args)
+#define USB_PRINTF(fmt,args...) printf (fmt ,##args)
#else
#define USB_PRINTF(fmt,args...)
#endif
@@ -180,7 +180,7 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe,
setup_packet.value = swap_16(value);
setup_packet.index = swap_16(index);
setup_packet.length = swap_16(size);
- USB_PRINTF("usb_control_msg: request: 0x%X, requesttype: 0x%X\nvalue 0x%X index 0x%X length 0x%X\n",
+ USB_PRINTF("usb_control_msg: request: 0x%X, requesttype: 0x%X\nvalue 0x%X index 0x%X length 0x%X\n",
request,requesttype,value,index,size);
dev->status=USB_ST_NOT_PROC; /*not yet processed */
@@ -241,40 +241,59 @@ int usb_maxpacket(struct usb_device *dev,unsigned long pipe)
return(dev->epmaxpacketin[((pipe>>15) & 0xf)]);
}
+/* The routine usb_set_maxpacket_ep() is extracted from the loop of routine
+ * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine
+ * when it is inlined in 1 single routine. What happens is that the register r3
+ * is used as loop-count 'i', but gets overwritten later on.
+ * This is clearly a compiler bug, but it is easier to workaround it here than
+ * to update the compiler (Occurs with at least several GCC 4.{1,2},x
+ * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM)
+ */
+static void __attribute__((noinline))
+usb_set_maxpacket_ep(struct usb_device *dev, struct usb_endpoint_descriptor *ep)
+{
+ int b;
+
+ b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+
+ if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_CONTROL) {
+ /* Control => bidirectional */
+ dev->epmaxpacketout[b] = ep->wMaxPacketSize;
+ dev->epmaxpacketin [b] = ep->wMaxPacketSize;
+ USB_PRINTF("##Control EP epmaxpacketout/in[%d] = %d\n",
+ b, dev->epmaxpacketin[b]);
+ } else {
+ if ((ep->bEndpointAddress & 0x80) == 0) {
+ /* OUT Endpoint */
+ if (ep->wMaxPacketSize > dev->epmaxpacketout[b]) {
+ dev->epmaxpacketout[b] = ep->wMaxPacketSize;
+ USB_PRINTF("##EP epmaxpacketout[%d] = %d\n",
+ b, dev->epmaxpacketout[b]);
+ }
+ } else {
+ /* IN Endpoint */
+ if (ep->wMaxPacketSize > dev->epmaxpacketin[b]) {
+ dev->epmaxpacketin[b] = ep->wMaxPacketSize;
+ USB_PRINTF("##EP epmaxpacketin[%d] = %d\n",
+ b, dev->epmaxpacketin[b]);
+ }
+ } /* if out */
+ } /* if control */
+}
+
/*
* set the max packed value of all endpoints in the given configuration
*/
int usb_set_maxpacket(struct usb_device *dev)
{
- int i,ii,b;
- struct usb_endpoint_descriptor *ep;
+ int i, ii;
- for(i=0; i<dev->config.bNumInterfaces;i++) {
- for(ii=0; ii<dev->config.if_desc[i].bNumEndpoints; ii++) {
- ep=&dev->config.if_desc[i].ep_desc[ii];
- b=ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ for (i = 0; i < dev->config.bNumInterfaces; i++)
+ for (ii = 0; ii < dev->config.if_desc[i].bNumEndpoints; ii++)
+ usb_set_maxpacket_ep(dev,
+ &dev->config.if_desc[i].ep_desc[ii]);
- if((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)==USB_ENDPOINT_XFER_CONTROL) { /* Control => bidirectional */
- dev->epmaxpacketout[b] = ep->wMaxPacketSize;
- dev->epmaxpacketin [b] = ep->wMaxPacketSize;
- USB_PRINTF("##Control EP epmaxpacketout/in[%d] = %d\n",b,dev->epmaxpacketin[b]);
- }
- else {
- if ((ep->bEndpointAddress & 0x80)==0) { /* OUT Endpoint */
- if(ep->wMaxPacketSize > dev->epmaxpacketout[b]) {
- dev->epmaxpacketout[b] = ep->wMaxPacketSize;
- USB_PRINTF("##EP epmaxpacketout[%d] = %d\n",b,dev->epmaxpacketout[b]);
- }
- }
- else { /* IN Endpoint */
- if(ep->wMaxPacketSize > dev->epmaxpacketin[b]) {
- dev->epmaxpacketin[b] = ep->wMaxPacketSize;
- USB_PRINTF("##EP epmaxpacketin[%d] = %d\n",b,dev->epmaxpacketin[b]);
- }
- } /* if out */
- } /* if control */
- } /* for each endpoint */
- }
return 0;
}
@@ -356,6 +375,7 @@ int usb_parse_config(struct usb_device *dev, unsigned char *buffer, int cfgno)
* endp: endpoint number in bits 0-3;
* direction flag in bit 7 (1 = IN, 0 = OUT)
*/
+
int usb_clear_halt(struct usb_device *dev, int pipe)
{
int result;
@@ -387,7 +407,7 @@ int usb_clear_halt(struct usb_device *dev, int pipe)
int usb_get_descriptor(struct usb_device *dev, unsigned char type, unsigned char index, void *buf, int size)
{
int res;
- res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
+ res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
(type << 8) + index, 0,
buf, size, USB_CNTL_TIMEOUT);
@@ -399,7 +419,7 @@ int usb_get_descriptor(struct usb_device *dev, unsigned char type, unsigned char
*/
int usb_get_configuration_no(struct usb_device *dev,unsigned char *buffer,int cfgno)
{
- int result;
+ int result;
unsigned int tmp;
struct usb_config_descriptor *config;
@@ -470,8 +490,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
return 0;
if ((ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, alternate,
- interface, NULL, 0, USB_CNTL_TIMEOUT * 5)) < 0)
+ USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, alternate,
+ interface, NULL, 0, USB_CNTL_TIMEOUT * 5)) < 0)
return ret;
return 0;
@@ -651,7 +671,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
if (err < 0)
return err;
- size--; /* leave room for trailing NULL char in output buffer */
+ size--; /* leave room for trailing NULL char in output buffer */
for (idx = 0, u = 2; u < err; u += 2) {
if (idx >= size)
break;
@@ -719,7 +739,7 @@ int usb_new_device(struct usb_device *dev)
unsigned char tmpbuf[USB_BUFSIZ];
dev->descriptor.bMaxPacketSize0 = 8; /* Start off at 8 bytes */
- dev->maxpacketsize = 0; /* Default to 8 byte max packet size */
+ dev->maxpacketsize = 0; /* Default to 8 byte max packet size */
dev->epmaxpacketin [0] = 8;
dev->epmaxpacketout[0] = 8;
@@ -740,7 +760,7 @@ int usb_new_device(struct usb_device *dev)
struct usb_device *parent = dev->parent;
unsigned short portstatus;
- /* send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is
+ /* send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is
* only 18 bytes long, this will terminate with a short packet. But if
* the maxpacket size is 8 or 16 the device may be waiting to transmit
* some more. */
@@ -773,7 +793,7 @@ int usb_new_device(struct usb_device *dev)
/* reset the port for the second time */
err = hub_port_reset(dev->parent, port, &portstatus);
if (err < 0) {
- printf("\n Couldn't reset port %i\n", port);
+ printf("\n Couldn't reset port %i\n", port);
return 1;
}
}
@@ -781,7 +801,7 @@ int usb_new_device(struct usb_device *dev)
/* and this is the old and known way of initializing devices */
err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, &dev->descriptor, 8);
if (err < 8) {
- printf("\n USB device not responding, giving up (status=%lX)\n",dev->status);
+ printf("\n USB device not responding, giving up (status=%lX)\n",dev->status);
return 1;
}
#endif
@@ -799,7 +819,7 @@ int usb_new_device(struct usb_device *dev)
err = usb_set_address(dev); /* set address */
if (err < 0) {
- printf("\n USB device not accepting new address (error=%lX)\n", dev->status);
+ printf("\n USB device not accepting new address (error=%lX)\n", dev->status);
return 1;
}
@@ -841,7 +861,7 @@ int usb_new_device(struct usb_device *dev)
if (dev->descriptor.iSerialNumber)
usb_string(dev, dev->descriptor.iSerialNumber, dev->serial, sizeof(dev->serial));
USB_PRINTF("Manufacturer %s\n", dev->mf);
- USB_PRINTF("Product %s\n", dev->prod);
+ USB_PRINTF("Product %s\n", dev->prod);
USB_PRINTF("SerialNumber %s\n", dev->serial);
/* now prode if the device is a hub */
usb_hub_probe(dev,0);
@@ -880,7 +900,7 @@ void usb_scan_devices(void)
#undef USB_HUB_DEBUG
#ifdef USB_HUB_DEBUG
-#define USB_HUB_PRINTF(fmt,args...) printf (fmt ,##args)
+#define USB_HUB_PRINTF(fmt,args...) printf (fmt ,##args)
#else
#define USB_HUB_PRINTF(fmt,args...)
#endif
@@ -988,7 +1008,7 @@ static int hub_port_reset(struct usb_device *dev, int port,
(portstatus & USB_PORT_STAT_CONNECTION) ? 1 : 0,
(portstatus & USB_PORT_STAT_ENABLE) ? 1 : 0);
if ((portchange & USB_PORT_STAT_C_CONNECTION) ||
- !(portstatus & USB_PORT_STAT_CONNECTION))
+ !(portstatus & USB_PORT_STAT_CONNECTION))
return -1;
if (portstatus & USB_PORT_STAT_ENABLE) {
@@ -1034,7 +1054,7 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
/* Disconnect any existing devices under this port */
if (((!(portstatus & USB_PORT_STAT_CONNECTION)) &&
- (!(portstatus & USB_PORT_STAT_ENABLE)))|| (dev->children[port])) {
+ (!(portstatus & USB_PORT_STAT_ENABLE)))|| (dev->children[port])) {
USB_HUB_PRINTF("usb_disconnect(&hub->children[port]);\n");
/* Return now if nothing is connected */
if (!(portstatus & USB_PORT_STAT_CONNECTION))
@@ -1053,6 +1073,7 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
/* Allocate a new device struct for it */
usb=usb_alloc_new_device();
usb->slow = (portstatus & USB_PORT_STAT_LOW_SPEED) ? 1 : 0;
+ usb->high = (portstatus & USB_PORT_STAT_HIGH_SPEED) ? 1 : 0;
dev->children[port] = usb;
usb->parent=dev;
@@ -1142,7 +1163,7 @@ int usb_hub_configure(struct usb_device *dev)
case 0x10:
case 0x18:
USB_HUB_PRINTF("no over-current protection\n");
- break;
+ break;
}
USB_HUB_PRINTF("power on to power good time: %dms\n", descriptor->bPwrOn2PwrGood * 2);
USB_HUB_PRINTF("hub controller current requirement: %dmA\n", descriptor->bHubContrCurrent);
@@ -1178,7 +1199,7 @@ int usb_hub_configure(struct usb_device *dev)
portstatus = swap_16(portsts.wPortStatus);
portchange = swap_16(portsts.wPortChange);
USB_HUB_PRINTF("Port %d Status %X Change %X\n",i+1,portstatus,portchange);
- if (portchange & USB_PORT_STAT_C_CONNECTION) {
+ if ( (portchange & USB_PORT_STAT_C_CONNECTION) || (portstatus & USB_PORT_STAT_CONNECTION)) {
USB_HUB_PRINTF("port %d connection change\n", i + 1);
usb_hub_port_connect_change(dev, i);
}
@@ -1198,7 +1219,7 @@ int usb_hub_configure(struct usb_device *dev)
}
if (portstatus & USB_PORT_STAT_SUSPEND) {
USB_HUB_PRINTF("port %d suspend change\n", i + 1);
- usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_SUSPEND);
+ usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_SUSPEND);
}
if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
@@ -1227,9 +1248,9 @@ int usb_hub_probe(struct usb_device *dev, int ifnum)
if (iface->bInterfaceClass != USB_CLASS_HUB)
return 0;
/* Some hubs have a subclass of 1, which AFAICT according to the */
- /* specs is not defined, but it works */
+ /* specs is not defined, but it works */
if ((iface->bInterfaceSubClass != 0) &&
- (iface->bInterfaceSubClass != 1))
+ (iface->bInterfaceSubClass != 1))
return 0;
/* Multiple endpoints? What kind of mutant ninja-hub is this? */
if (iface->bNumEndpoints != 1)
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-12 09:21:02 +0000